diff --git a/vendor/github.com/armon/go-metrics/.gitignore b/vendor/github.com/armon/go-metrics/.gitignore
old mode 100755
new mode 100644
diff --git a/vendor/github.com/armon/go-metrics/README.md b/vendor/github.com/armon/go-metrics/README.md
index 7b6f23e..aa73348 100644
--- a/vendor/github.com/armon/go-metrics/README.md
+++ b/vendor/github.com/armon/go-metrics/README.md
@@ -7,7 +7,7 @@
 Current API: [![GoDoc](https://godoc.org/github.com/armon/go-metrics?status.svg)](https://godoc.org/github.com/armon/go-metrics)
 
 Sinks
-=====
+-----
 
 The `metrics` package makes use of a `MetricSink` interface to support delivery
 to any type of backend. Currently the following sinks are provided:
@@ -23,49 +23,69 @@
 and dump a formatted output of recent metrics. For example, when a process gets
 a SIGUSR1, it can dump to stderr recent performance metrics for debugging.
 
+Labels
+------
+
+Most metrics do have an equivalent ending with `WithLabels`, such methods
+allow to push metrics with labels and use some features of underlying Sinks
+(ex: translated into Prometheus labels).
+
+Since some of these labels may increase greatly cardinality of metrics, the
+library allow to filter labels using a blacklist/whitelist filtering system
+which is global to all metrics.
+
+* If `Config.AllowedLabels` is not nil, then only labels specified in this value will be sent to underlying Sink, otherwise, all labels are sent by default.
+* If `Config.BlockedLabels` is not nil, any label specified in this value will not be sent to underlying Sinks.
+
+By default, both `Config.AllowedLabels` and `Config.BlockedLabels` are nil, meaning that
+no tags are filetered at all, but it allow to a user to globally block some tags with high
+cardinality at application level.
+
 Examples
-========
+--------
 
 Here is an example of using the package:
 
-    func SlowMethod() {
-        // Profiling the runtime of a method
-        defer metrics.MeasureSince([]string{"SlowMethod"}, time.Now())
-    }
+```go
+func SlowMethod() {
+    // Profiling the runtime of a method
+    defer metrics.MeasureSince([]string{"SlowMethod"}, time.Now())
+}
 
-    // Configure a statsite sink as the global metrics sink
-    sink, _ := metrics.NewStatsiteSink("statsite:8125")
-    metrics.NewGlobal(metrics.DefaultConfig("service-name"), sink)
+// Configure a statsite sink as the global metrics sink
+sink, _ := metrics.NewStatsiteSink("statsite:8125")
+metrics.NewGlobal(metrics.DefaultConfig("service-name"), sink)
 
-    // Emit a Key/Value pair
-    metrics.EmitKey([]string{"questions", "meaning of life"}, 42)
+// Emit a Key/Value pair
+metrics.EmitKey([]string{"questions", "meaning of life"}, 42)
+```
 
+Here is an example of setting up a signal handler:
 
-Here is an example of setting up an signal handler:
+```go
+// Setup the inmem sink and signal handler
+inm := metrics.NewInmemSink(10*time.Second, time.Minute)
+sig := metrics.DefaultInmemSignal(inm)
+metrics.NewGlobal(metrics.DefaultConfig("service-name"), inm)
 
-    // Setup the inmem sink and signal handler
-    inm := metrics.NewInmemSink(10*time.Second, time.Minute)
-    sig := metrics.DefaultInmemSignal(inm)
-    metrics.NewGlobal(metrics.DefaultConfig("service-name"), inm)
+// Run some code
+inm.SetGauge([]string{"foo"}, 42)
+inm.EmitKey([]string{"bar"}, 30)
 
-    // Run some code
-    inm.SetGauge([]string{"foo"}, 42)
-    inm.EmitKey([]string{"bar"}, 30)
+inm.IncrCounter([]string{"baz"}, 42)
+inm.IncrCounter([]string{"baz"}, 1)
+inm.IncrCounter([]string{"baz"}, 80)
 
-    inm.IncrCounter([]string{"baz"}, 42)
-    inm.IncrCounter([]string{"baz"}, 1)
-    inm.IncrCounter([]string{"baz"}, 80)
+inm.AddSample([]string{"method", "wow"}, 42)
+inm.AddSample([]string{"method", "wow"}, 100)
+inm.AddSample([]string{"method", "wow"}, 22)
 
-    inm.AddSample([]string{"method", "wow"}, 42)
-    inm.AddSample([]string{"method", "wow"}, 100)
-    inm.AddSample([]string{"method", "wow"}, 22)
-
-    ....
+....
+```
 
 When a signal comes in, output like the following will be dumped to stderr:
 
     [2014-01-28 14:57:33.04 -0800 PST][G] 'foo': 42.000
     [2014-01-28 14:57:33.04 -0800 PST][P] 'bar': 30.000
     [2014-01-28 14:57:33.04 -0800 PST][C] 'baz': Count: 3 Min: 1.000 Mean: 41.000 Max: 80.000 Stddev: 39.509
-    [2014-01-28 14:57:33.04 -0800 PST][S] 'method.wow': Count: 3 Min: 22.000 Mean: 54.667 Max: 100.000 Stddev: 40.513
-
+    [2014-01-28 14:57:33.04 -0800 PST][S] 'method.wow': Count: 3 Min: 22.000 Mean: 54.667 Max: 100.000 Stddev: 40.513
\ No newline at end of file
diff --git a/vendor/github.com/armon/go-metrics/inmem.go b/vendor/github.com/armon/go-metrics/inmem.go
index 83fb6bb..4e2d6a7 100644
--- a/vendor/github.com/armon/go-metrics/inmem.go
+++ b/vendor/github.com/armon/go-metrics/inmem.go
@@ -1,8 +1,10 @@
 package metrics
 
 import (
+	"bytes"
 	"fmt"
 	"math"
+	"net/url"
 	"strings"
 	"sync"
 	"time"
@@ -25,7 +27,7 @@
 	// intervals is a slice of the retained intervals
 	intervals    []*IntervalMetrics
 	intervalLock sync.RWMutex
-	
+
 	rateDenom float64
 }
 
@@ -38,7 +40,7 @@
 	Interval time.Time
 
 	// Gauges maps the key to the last set value
-	Gauges map[string]float32
+	Gauges map[string]GaugeValue
 
 	// Points maps the string to the list of emitted values
 	// from EmitKey
@@ -46,21 +48,21 @@
 
 	// Counters maps the string key to a sum of the counter
 	// values
-	Counters map[string]*AggregateSample
+	Counters map[string]SampledValue
 
 	// Samples maps the key to an AggregateSample,
 	// which has the rolled up view of a sample
-	Samples map[string]*AggregateSample
+	Samples map[string]SampledValue
 }
 
 // NewIntervalMetrics creates a new IntervalMetrics for a given interval
 func NewIntervalMetrics(intv time.Time) *IntervalMetrics {
 	return &IntervalMetrics{
 		Interval: intv,
-		Gauges:   make(map[string]float32),
+		Gauges:   make(map[string]GaugeValue),
 		Points:   make(map[string][]float32),
-		Counters: make(map[string]*AggregateSample),
-		Samples:  make(map[string]*AggregateSample),
+		Counters: make(map[string]SampledValue),
+		Samples:  make(map[string]SampledValue),
 	}
 }
 
@@ -68,12 +70,12 @@
 // about a sample
 type AggregateSample struct {
 	Count       int       // The count of emitted pairs
-	Rate	        float64   // The count of emitted pairs per time unit (usually 1 second)
+	Rate        float64   // The values rate per time unit (usually 1 second)
 	Sum         float64   // The sum of values
-	SumSq       float64   // The sum of squared values
+	SumSq       float64   `json:"-"` // The sum of squared values
 	Min         float64   // Minimum value
 	Max         float64   // Maximum value
-	LastUpdated time.Time // When value was last updated
+	LastUpdated time.Time `json:"-"` // When value was last updated
 }
 
 // Computes a Stddev of the values
@@ -105,7 +107,7 @@
 	if v > a.Max || a.Count == 1 {
 		a.Max = v
 	}
-	a.Rate = float64(a.Count)/rateDenom
+	a.Rate = float64(a.Sum) / rateDenom
 	a.LastUpdated = time.Now()
 }
 
@@ -120,6 +122,24 @@
 	}
 }
 
+// NewInmemSinkFromURL creates an InmemSink from a URL. It is used
+// (and tested) from NewMetricSinkFromURL.
+func NewInmemSinkFromURL(u *url.URL) (MetricSink, error) {
+	params := u.Query()
+
+	interval, err := time.ParseDuration(params.Get("interval"))
+	if err != nil {
+		return nil, fmt.Errorf("Bad 'interval' param: %s", err)
+	}
+
+	retain, err := time.ParseDuration(params.Get("retain"))
+	if err != nil {
+		return nil, fmt.Errorf("Bad 'retain' param: %s", err)
+	}
+
+	return NewInmemSink(interval, retain), nil
+}
+
 // NewInmemSink is used to construct a new in-memory sink.
 // Uses an aggregation interval and maximum retention period.
 func NewInmemSink(interval, retain time.Duration) *InmemSink {
@@ -128,19 +148,23 @@
 		interval:     interval,
 		retain:       retain,
 		maxIntervals: int(retain / interval),
-		rateDenom: float64(interval.Nanoseconds()) / float64(rateTimeUnit.Nanoseconds()),
+		rateDenom:    float64(interval.Nanoseconds()) / float64(rateTimeUnit.Nanoseconds()),
 	}
 	i.intervals = make([]*IntervalMetrics, 0, i.maxIntervals)
 	return i
 }
 
 func (i *InmemSink) SetGauge(key []string, val float32) {
-	k := i.flattenKey(key)
+	i.SetGaugeWithLabels(key, val, nil)
+}
+
+func (i *InmemSink) SetGaugeWithLabels(key []string, val float32, labels []Label) {
+	k, name := i.flattenKeyLabels(key, labels)
 	intv := i.getInterval()
 
 	intv.Lock()
 	defer intv.Unlock()
-	intv.Gauges[k] = val
+	intv.Gauges[k] = GaugeValue{Name: name, Value: val, Labels: labels}
 }
 
 func (i *InmemSink) EmitKey(key []string, val float32) {
@@ -154,30 +178,46 @@
 }
 
 func (i *InmemSink) IncrCounter(key []string, val float32) {
-	k := i.flattenKey(key)
+	i.IncrCounterWithLabels(key, val, nil)
+}
+
+func (i *InmemSink) IncrCounterWithLabels(key []string, val float32, labels []Label) {
+	k, name := i.flattenKeyLabels(key, labels)
 	intv := i.getInterval()
 
 	intv.Lock()
 	defer intv.Unlock()
 
-	agg := intv.Counters[k]
-	if agg == nil {
-		agg = &AggregateSample{}
+	agg, ok := intv.Counters[k]
+	if !ok {
+		agg = SampledValue{
+			Name:            name,
+			AggregateSample: &AggregateSample{},
+			Labels:          labels,
+		}
 		intv.Counters[k] = agg
 	}
 	agg.Ingest(float64(val), i.rateDenom)
 }
 
 func (i *InmemSink) AddSample(key []string, val float32) {
-	k := i.flattenKey(key)
+	i.AddSampleWithLabels(key, val, nil)
+}
+
+func (i *InmemSink) AddSampleWithLabels(key []string, val float32, labels []Label) {
+	k, name := i.flattenKeyLabels(key, labels)
 	intv := i.getInterval()
 
 	intv.Lock()
 	defer intv.Unlock()
 
-	agg := intv.Samples[k]
-	if agg == nil {
-		agg = &AggregateSample{}
+	agg, ok := intv.Samples[k]
+	if !ok {
+		agg = SampledValue{
+			Name:            name,
+			AggregateSample: &AggregateSample{},
+			Labels:          labels,
+		}
 		intv.Samples[k] = agg
 	}
 	agg.Ingest(float64(val), i.rateDenom)
@@ -192,8 +232,37 @@
 	i.intervalLock.RLock()
 	defer i.intervalLock.RUnlock()
 
-	intervals := make([]*IntervalMetrics, len(i.intervals))
-	copy(intervals, i.intervals)
+	n := len(i.intervals)
+	intervals := make([]*IntervalMetrics, n)
+
+	copy(intervals[:n-1], i.intervals[:n-1])
+	current := i.intervals[n-1]
+
+	// make its own copy for current interval
+	intervals[n-1] = &IntervalMetrics{}
+	copyCurrent := intervals[n-1]
+	current.RLock()
+	*copyCurrent = *current
+
+	copyCurrent.Gauges = make(map[string]GaugeValue, len(current.Gauges))
+	for k, v := range current.Gauges {
+		copyCurrent.Gauges[k] = v
+	}
+	// saved values will be not change, just copy its link
+	copyCurrent.Points = make(map[string][]float32, len(current.Points))
+	for k, v := range current.Points {
+		copyCurrent.Points[k] = v
+	}
+	copyCurrent.Counters = make(map[string]SampledValue, len(current.Counters))
+	for k, v := range current.Counters {
+		copyCurrent.Counters[k] = v
+	}
+	copyCurrent.Samples = make(map[string]SampledValue, len(current.Samples))
+	for k, v := range current.Samples {
+		copyCurrent.Samples[k] = v
+	}
+	current.RUnlock()
+
 	return intervals
 }
 
@@ -242,6 +311,38 @@
 
 // Flattens the key for formatting, removes spaces
 func (i *InmemSink) flattenKey(parts []string) string {
-	joined := strings.Join(parts, ".")
-	return strings.Replace(joined, " ", "_", -1)
+	buf := &bytes.Buffer{}
+	replacer := strings.NewReplacer(" ", "_")
+
+	if len(parts) > 0 {
+		replacer.WriteString(buf, parts[0])
+	}
+	for _, part := range parts[1:] {
+		replacer.WriteString(buf, ".")
+		replacer.WriteString(buf, part)
+	}
+
+	return buf.String()
+}
+
+// Flattens the key for formatting along with its labels, removes spaces
+func (i *InmemSink) flattenKeyLabels(parts []string, labels []Label) (string, string) {
+	buf := &bytes.Buffer{}
+	replacer := strings.NewReplacer(" ", "_")
+
+	if len(parts) > 0 {
+		replacer.WriteString(buf, parts[0])
+	}
+	for _, part := range parts[1:] {
+		replacer.WriteString(buf, ".")
+		replacer.WriteString(buf, part)
+	}
+
+	key := buf.String()
+
+	for _, label := range labels {
+		replacer.WriteString(buf, fmt.Sprintf(";%s=%s", label.Name, label.Value))
+	}
+
+	return buf.String(), key
 }
diff --git a/vendor/github.com/armon/go-metrics/inmem_endpoint.go b/vendor/github.com/armon/go-metrics/inmem_endpoint.go
new file mode 100644
index 0000000..504f1b3
--- /dev/null
+++ b/vendor/github.com/armon/go-metrics/inmem_endpoint.go
@@ -0,0 +1,118 @@
+package metrics
+
+import (
+	"fmt"
+	"net/http"
+	"sort"
+	"time"
+)
+
+// MetricsSummary holds a roll-up of metrics info for a given interval
+type MetricsSummary struct {
+	Timestamp string
+	Gauges    []GaugeValue
+	Points    []PointValue
+	Counters  []SampledValue
+	Samples   []SampledValue
+}
+
+type GaugeValue struct {
+	Name  string
+	Hash  string `json:"-"`
+	Value float32
+
+	Labels        []Label           `json:"-"`
+	DisplayLabels map[string]string `json:"Labels"`
+}
+
+type PointValue struct {
+	Name   string
+	Points []float32
+}
+
+type SampledValue struct {
+	Name string
+	Hash string `json:"-"`
+	*AggregateSample
+	Mean   float64
+	Stddev float64
+
+	Labels        []Label           `json:"-"`
+	DisplayLabels map[string]string `json:"Labels"`
+}
+
+// DisplayMetrics returns a summary of the metrics from the most recent finished interval.
+func (i *InmemSink) DisplayMetrics(resp http.ResponseWriter, req *http.Request) (interface{}, error) {
+	data := i.Data()
+
+	var interval *IntervalMetrics
+	n := len(data)
+	switch {
+	case n == 0:
+		return nil, fmt.Errorf("no metric intervals have been initialized yet")
+	case n == 1:
+		// Show the current interval if it's all we have
+		interval = i.intervals[0]
+	default:
+		// Show the most recent finished interval if we have one
+		interval = i.intervals[n-2]
+	}
+
+	summary := MetricsSummary{
+		Timestamp: interval.Interval.Round(time.Second).UTC().String(),
+		Gauges:    make([]GaugeValue, 0, len(interval.Gauges)),
+		Points:    make([]PointValue, 0, len(interval.Points)),
+	}
+
+	// Format and sort the output of each metric type, so it gets displayed in a
+	// deterministic order.
+	for name, points := range interval.Points {
+		summary.Points = append(summary.Points, PointValue{name, points})
+	}
+	sort.Slice(summary.Points, func(i, j int) bool {
+		return summary.Points[i].Name < summary.Points[j].Name
+	})
+
+	for hash, value := range interval.Gauges {
+		value.Hash = hash
+		value.DisplayLabels = make(map[string]string)
+		for _, label := range value.Labels {
+			value.DisplayLabels[label.Name] = label.Value
+		}
+		value.Labels = nil
+
+		summary.Gauges = append(summary.Gauges, value)
+	}
+	sort.Slice(summary.Gauges, func(i, j int) bool {
+		return summary.Gauges[i].Hash < summary.Gauges[j].Hash
+	})
+
+	summary.Counters = formatSamples(interval.Counters)
+	summary.Samples = formatSamples(interval.Samples)
+
+	return summary, nil
+}
+
+func formatSamples(source map[string]SampledValue) []SampledValue {
+	output := make([]SampledValue, 0, len(source))
+	for hash, sample := range source {
+		displayLabels := make(map[string]string)
+		for _, label := range sample.Labels {
+			displayLabels[label.Name] = label.Value
+		}
+
+		output = append(output, SampledValue{
+			Name:            sample.Name,
+			Hash:            hash,
+			AggregateSample: sample.AggregateSample,
+			Mean:            sample.AggregateSample.Mean(),
+			Stddev:          sample.AggregateSample.Stddev(),
+			DisplayLabels:   displayLabels,
+		})
+	}
+	sort.Slice(output, func(i, j int) bool {
+		return output[i].Hash < output[j].Hash
+	})
+
+	return output
+}
diff --git a/vendor/github.com/armon/go-metrics/inmem_signal.go b/vendor/github.com/armon/go-metrics/inmem_signal.go
index 95d08ee..0937f4a 100644
--- a/vendor/github.com/armon/go-metrics/inmem_signal.go
+++ b/vendor/github.com/armon/go-metrics/inmem_signal.go
@@ -6,6 +6,7 @@
 	"io"
 	"os"
 	"os/signal"
+	"strings"
 	"sync"
 	"syscall"
 )
@@ -75,22 +76,25 @@
 
 	data := i.inm.Data()
 	// Skip the last period which is still being aggregated
-	for i := 0; i < len(data)-1; i++ {
-		intv := data[i]
+	for j := 0; j < len(data)-1; j++ {
+		intv := data[j]
 		intv.RLock()
-		for name, val := range intv.Gauges {
-			fmt.Fprintf(buf, "[%v][G] '%s': %0.3f\n", intv.Interval, name, val)
+		for _, val := range intv.Gauges {
+			name := i.flattenLabels(val.Name, val.Labels)
+			fmt.Fprintf(buf, "[%v][G] '%s': %0.3f\n", intv.Interval, name, val.Value)
 		}
 		for name, vals := range intv.Points {
 			for _, val := range vals {
 				fmt.Fprintf(buf, "[%v][P] '%s': %0.3f\n", intv.Interval, name, val)
 			}
 		}
-		for name, agg := range intv.Counters {
-			fmt.Fprintf(buf, "[%v][C] '%s': %s\n", intv.Interval, name, agg)
+		for _, agg := range intv.Counters {
+			name := i.flattenLabels(agg.Name, agg.Labels)
+			fmt.Fprintf(buf, "[%v][C] '%s': %s\n", intv.Interval, name, agg.AggregateSample)
 		}
-		for name, agg := range intv.Samples {
-			fmt.Fprintf(buf, "[%v][S] '%s': %s\n", intv.Interval, name, agg)
+		for _, agg := range intv.Samples {
+			name := i.flattenLabels(agg.Name, agg.Labels)
+			fmt.Fprintf(buf, "[%v][S] '%s': %s\n", intv.Interval, name, agg.AggregateSample)
 		}
 		intv.RUnlock()
 	}
@@ -98,3 +102,16 @@
 	// Write out the bytes
 	i.w.Write(buf.Bytes())
 }
+
+// Flattens the key for formatting along with its labels, removes spaces
+func (i *InmemSignal) flattenLabels(name string, labels []Label) string {
+	buf := bytes.NewBufferString(name)
+	replacer := strings.NewReplacer(" ", "_", ":", "_")
+
+	for _, label := range labels {
+		replacer.WriteString(buf, ".")
+		replacer.WriteString(buf, label.Value)
+	}
+
+	return buf.String()
+}
diff --git a/vendor/github.com/armon/go-metrics/metrics.go b/vendor/github.com/armon/go-metrics/metrics.go
old mode 100755
new mode 100644
index b818e41..cf9def7
--- a/vendor/github.com/armon/go-metrics/metrics.go
+++ b/vendor/github.com/armon/go-metrics/metrics.go
@@ -2,20 +2,44 @@
 
 import (
 	"runtime"
+	"strings"
 	"time"
+
+	"github.com/hashicorp/go-immutable-radix"
 )
 
+type Label struct {
+	Name  string
+	Value string
+}
+
 func (m *Metrics) SetGauge(key []string, val float32) {
-	if m.HostName != "" && m.EnableHostname {
-		key = insert(0, m.HostName, key)
+	m.SetGaugeWithLabels(key, val, nil)
+}
+
+func (m *Metrics) SetGaugeWithLabels(key []string, val float32, labels []Label) {
+	if m.HostName != "" {
+		if m.EnableHostnameLabel {
+			labels = append(labels, Label{"host", m.HostName})
+		} else if m.EnableHostname {
+			key = insert(0, m.HostName, key)
+		}
 	}
 	if m.EnableTypePrefix {
 		key = insert(0, "gauge", key)
 	}
 	if m.ServiceName != "" {
-		key = insert(0, m.ServiceName, key)
+		if m.EnableServiceLabel {
+			labels = append(labels, Label{"service", m.ServiceName})
+		} else {
+			key = insert(0, m.ServiceName, key)
+		}
 	}
-	m.sink.SetGauge(key, val)
+	allowed, labelsFiltered := m.allowMetric(key, labels)
+	if !allowed {
+		return
+	}
+	m.sink.SetGaugeWithLabels(key, val, labelsFiltered)
 }
 
 func (m *Metrics) EmitKey(key []string, val float32) {
@@ -25,40 +49,179 @@
 	if m.ServiceName != "" {
 		key = insert(0, m.ServiceName, key)
 	}
+	allowed, _ := m.allowMetric(key, nil)
+	if !allowed {
+		return
+	}
 	m.sink.EmitKey(key, val)
 }
 
 func (m *Metrics) IncrCounter(key []string, val float32) {
+	m.IncrCounterWithLabels(key, val, nil)
+}
+
+func (m *Metrics) IncrCounterWithLabels(key []string, val float32, labels []Label) {
+	if m.HostName != "" && m.EnableHostnameLabel {
+		labels = append(labels, Label{"host", m.HostName})
+	}
 	if m.EnableTypePrefix {
 		key = insert(0, "counter", key)
 	}
 	if m.ServiceName != "" {
-		key = insert(0, m.ServiceName, key)
+		if m.EnableServiceLabel {
+			labels = append(labels, Label{"service", m.ServiceName})
+		} else {
+			key = insert(0, m.ServiceName, key)
+		}
 	}
-	m.sink.IncrCounter(key, val)
+	allowed, labelsFiltered := m.allowMetric(key, labels)
+	if !allowed {
+		return
+	}
+	m.sink.IncrCounterWithLabels(key, val, labelsFiltered)
 }
 
 func (m *Metrics) AddSample(key []string, val float32) {
+	m.AddSampleWithLabels(key, val, nil)
+}
+
+func (m *Metrics) AddSampleWithLabels(key []string, val float32, labels []Label) {
+	if m.HostName != "" && m.EnableHostnameLabel {
+		labels = append(labels, Label{"host", m.HostName})
+	}
 	if m.EnableTypePrefix {
 		key = insert(0, "sample", key)
 	}
 	if m.ServiceName != "" {
-		key = insert(0, m.ServiceName, key)
+		if m.EnableServiceLabel {
+			labels = append(labels, Label{"service", m.ServiceName})
+		} else {
+			key = insert(0, m.ServiceName, key)
+		}
 	}
-	m.sink.AddSample(key, val)
+	allowed, labelsFiltered := m.allowMetric(key, labels)
+	if !allowed {
+		return
+	}
+	m.sink.AddSampleWithLabels(key, val, labelsFiltered)
 }
 
 func (m *Metrics) MeasureSince(key []string, start time.Time) {
+	m.MeasureSinceWithLabels(key, start, nil)
+}
+
+func (m *Metrics) MeasureSinceWithLabels(key []string, start time.Time, labels []Label) {
+	if m.HostName != "" && m.EnableHostnameLabel {
+		labels = append(labels, Label{"host", m.HostName})
+	}
 	if m.EnableTypePrefix {
 		key = insert(0, "timer", key)
 	}
 	if m.ServiceName != "" {
-		key = insert(0, m.ServiceName, key)
+		if m.EnableServiceLabel {
+			labels = append(labels, Label{"service", m.ServiceName})
+		} else {
+			key = insert(0, m.ServiceName, key)
+		}
+	}
+	allowed, labelsFiltered := m.allowMetric(key, labels)
+	if !allowed {
+		return
 	}
 	now := time.Now()
 	elapsed := now.Sub(start)
 	msec := float32(elapsed.Nanoseconds()) / float32(m.TimerGranularity)
-	m.sink.AddSample(key, msec)
+	m.sink.AddSampleWithLabels(key, msec, labelsFiltered)
+}
+
+// UpdateFilter overwrites the existing filter with the given rules.
+func (m *Metrics) UpdateFilter(allow, block []string) {
+	m.UpdateFilterAndLabels(allow, block, m.AllowedLabels, m.BlockedLabels)
+}
+
+// UpdateFilterAndLabels overwrites the existing filter with the given rules.
+func (m *Metrics) UpdateFilterAndLabels(allow, block, allowedLabels, blockedLabels []string) {
+	m.filterLock.Lock()
+	defer m.filterLock.Unlock()
+
+	m.AllowedPrefixes = allow
+	m.BlockedPrefixes = block
+
+	if allowedLabels == nil {
+		// Having a white list means we take only elements from it
+		m.allowedLabels = nil
+	} else {
+		m.allowedLabels = make(map[string]bool)
+		for _, v := range allowedLabels {
+			m.allowedLabels[v] = true
+		}
+	}
+	m.blockedLabels = make(map[string]bool)
+	for _, v := range blockedLabels {
+		m.blockedLabels[v] = true
+	}
+	m.AllowedLabels = allowedLabels
+	m.BlockedLabels = blockedLabels
+
+	m.filter = iradix.New()
+	for _, prefix := range m.AllowedPrefixes {
+		m.filter, _, _ = m.filter.Insert([]byte(prefix), true)
+	}
+	for _, prefix := range m.BlockedPrefixes {
+		m.filter, _, _ = m.filter.Insert([]byte(prefix), false)
+	}
+}
+
+// labelIsAllowed return true if a should be included in metric
+// the caller should lock m.filterLock while calling this method
+func (m *Metrics) labelIsAllowed(label *Label) bool {
+	labelName := (*label).Name
+	if m.blockedLabels != nil {
+		_, ok := m.blockedLabels[labelName]
+		if ok {
+			// If present, let's remove this label
+			return false
+		}
+	}
+	if m.allowedLabels != nil {
+		_, ok := m.allowedLabels[labelName]
+		return ok
+	}
+	// Allow by default
+	return true
+}
+
+// filterLabels return only allowed labels
+// the caller should lock m.filterLock while calling this method
+func (m *Metrics) filterLabels(labels []Label) []Label {
+	if labels == nil {
+		return nil
+	}
+	toReturn := labels[:0]
+	for _, label := range labels {
+		if m.labelIsAllowed(&label) {
+			toReturn = append(toReturn, label)
+		}
+	}
+	return toReturn
+}
+
+// Returns whether the metric should be allowed based on configured prefix filters
+// Also return the applicable labels
+func (m *Metrics) allowMetric(key []string, labels []Label) (bool, []Label) {
+	m.filterLock.RLock()
+	defer m.filterLock.RUnlock()
+
+	if m.filter == nil || m.filter.Len() == 0 {
+		return m.Config.FilterDefault, m.filterLabels(labels)
+	}
+
+	_, allowed, ok := m.filter.Root().LongestPrefix([]byte(strings.Join(key, ".")))
+	if !ok {
+		return m.Config.FilterDefault, m.filterLabels(labels)
+	}
+
+	return allowed.(bool), m.filterLabels(labels)
 }
 
 // Periodically collects runtime stats to publish
diff --git a/vendor/github.com/armon/go-metrics/sink.go b/vendor/github.com/armon/go-metrics/sink.go
old mode 100755
new mode 100644
index 0c240c2..0b7d6e4
--- a/vendor/github.com/armon/go-metrics/sink.go
+++ b/vendor/github.com/armon/go-metrics/sink.go
@@ -1,35 +1,50 @@
 package metrics
 
+import (
+	"fmt"
+	"net/url"
+)
+
 // The MetricSink interface is used to transmit metrics information
 // to an external system
 type MetricSink interface {
 	// A Gauge should retain the last value it is set to
 	SetGauge(key []string, val float32)
+	SetGaugeWithLabels(key []string, val float32, labels []Label)
 
 	// Should emit a Key/Value pair for each call
 	EmitKey(key []string, val float32)
 
 	// Counters should accumulate values
 	IncrCounter(key []string, val float32)
+	IncrCounterWithLabels(key []string, val float32, labels []Label)
 
 	// Samples are for timing information, where quantiles are used
 	AddSample(key []string, val float32)
+	AddSampleWithLabels(key []string, val float32, labels []Label)
 }
 
 // BlackholeSink is used to just blackhole messages
 type BlackholeSink struct{}
 
-func (*BlackholeSink) SetGauge(key []string, val float32)    {}
-func (*BlackholeSink) EmitKey(key []string, val float32)     {}
-func (*BlackholeSink) IncrCounter(key []string, val float32) {}
-func (*BlackholeSink) AddSample(key []string, val float32)   {}
+func (*BlackholeSink) SetGauge(key []string, val float32)                              {}
+func (*BlackholeSink) SetGaugeWithLabels(key []string, val float32, labels []Label)    {}
+func (*BlackholeSink) EmitKey(key []string, val float32)                               {}
+func (*BlackholeSink) IncrCounter(key []string, val float32)                           {}
+func (*BlackholeSink) IncrCounterWithLabels(key []string, val float32, labels []Label) {}
+func (*BlackholeSink) AddSample(key []string, val float32)                             {}
+func (*BlackholeSink) AddSampleWithLabels(key []string, val float32, labels []Label)   {}
 
 // FanoutSink is used to sink to fanout values to multiple sinks
 type FanoutSink []MetricSink
 
 func (fh FanoutSink) SetGauge(key []string, val float32) {
+	fh.SetGaugeWithLabels(key, val, nil)
+}
+
+func (fh FanoutSink) SetGaugeWithLabels(key []string, val float32, labels []Label) {
 	for _, s := range fh {
-		s.SetGauge(key, val)
+		s.SetGaugeWithLabels(key, val, labels)
 	}
 }
 
@@ -40,13 +55,61 @@
 }
 
 func (fh FanoutSink) IncrCounter(key []string, val float32) {
+	fh.IncrCounterWithLabels(key, val, nil)
+}
+
+func (fh FanoutSink) IncrCounterWithLabels(key []string, val float32, labels []Label) {
 	for _, s := range fh {
-		s.IncrCounter(key, val)
+		s.IncrCounterWithLabels(key, val, labels)
 	}
 }
 
 func (fh FanoutSink) AddSample(key []string, val float32) {
+	fh.AddSampleWithLabels(key, val, nil)
+}
+
+func (fh FanoutSink) AddSampleWithLabels(key []string, val float32, labels []Label) {
 	for _, s := range fh {
-		s.AddSample(key, val)
+		s.AddSampleWithLabels(key, val, labels)
 	}
 }
+
+// sinkURLFactoryFunc is an generic interface around the *SinkFromURL() function provided
+// by each sink type
+type sinkURLFactoryFunc func(*url.URL) (MetricSink, error)
+
+// sinkRegistry supports the generic NewMetricSink function by mapping URL
+// schemes to metric sink factory functions
+var sinkRegistry = map[string]sinkURLFactoryFunc{
+	"statsd":   NewStatsdSinkFromURL,
+	"statsite": NewStatsiteSinkFromURL,
+	"inmem":    NewInmemSinkFromURL,
+}
+
+// NewMetricSinkFromURL allows a generic URL input to configure any of the
+// supported sinks. The scheme of the URL identifies the type of the sink, the
+// and query parameters are used to set options.
+//
+// "statsd://" - Initializes a StatsdSink. The host and port are passed through
+// as the "addr" of the sink
+//
+// "statsite://" - Initializes a StatsiteSink. The host and port become the
+// "addr" of the sink
+//
+// "inmem://" - Initializes an InmemSink. The host and port are ignored. The
+// "interval" and "duration" query parameters must be specified with valid
+// durations, see NewInmemSink for details.
+func NewMetricSinkFromURL(urlStr string) (MetricSink, error) {
+	u, err := url.Parse(urlStr)
+	if err != nil {
+		return nil, err
+	}
+
+	sinkURLFactoryFunc := sinkRegistry[u.Scheme]
+	if sinkURLFactoryFunc == nil {
+		return nil, fmt.Errorf(
+			"cannot create metric sink, unrecognized sink name: %q", u.Scheme)
+	}
+
+	return sinkURLFactoryFunc(u)
+}
diff --git a/vendor/github.com/armon/go-metrics/start.go b/vendor/github.com/armon/go-metrics/start.go
old mode 100755
new mode 100644
index 44113f1..32a28c4
--- a/vendor/github.com/armon/go-metrics/start.go
+++ b/vendor/github.com/armon/go-metrics/start.go
@@ -2,34 +2,50 @@
 
 import (
 	"os"
+	"sync"
+	"sync/atomic"
 	"time"
+
+	"github.com/hashicorp/go-immutable-radix"
 )
 
 // Config is used to configure metrics settings
 type Config struct {
-	ServiceName          string        // Prefixed with keys to seperate services
+	ServiceName          string        // Prefixed with keys to separate services
 	HostName             string        // Hostname to use. If not provided and EnableHostname, it will be os.Hostname
 	EnableHostname       bool          // Enable prefixing gauge values with hostname
+	EnableHostnameLabel  bool          // Enable adding hostname to labels
+	EnableServiceLabel   bool          // Enable adding service to labels
 	EnableRuntimeMetrics bool          // Enables profiling of runtime metrics (GC, Goroutines, Memory)
 	EnableTypePrefix     bool          // Prefixes key with a type ("counter", "gauge", "timer")
 	TimerGranularity     time.Duration // Granularity of timers.
 	ProfileInterval      time.Duration // Interval to profile runtime metrics
+
+	AllowedPrefixes []string // A list of metric prefixes to allow, with '.' as the separator
+	BlockedPrefixes []string // A list of metric prefixes to block, with '.' as the separator
+	AllowedLabels   []string // A list of metric labels to allow, with '.' as the separator
+	BlockedLabels   []string // A list of metric labels to block, with '.' as the separator
+	FilterDefault   bool     // Whether to allow metrics by default
 }
 
 // Metrics represents an instance of a metrics sink that can
 // be used to emit
 type Metrics struct {
 	Config
-	lastNumGC uint32
-	sink      MetricSink
+	lastNumGC     uint32
+	sink          MetricSink
+	filter        *iradix.Tree
+	allowedLabels map[string]bool
+	blockedLabels map[string]bool
+	filterLock    sync.RWMutex // Lock filters and allowedLabels/blockedLabels access
 }
 
 // Shared global metrics instance
-var globalMetrics *Metrics
+var globalMetrics atomic.Value // *Metrics
 
 func init() {
 	// Initialize to a blackhole sink to avoid errors
-	globalMetrics = &Metrics{sink: &BlackholeSink{}}
+	globalMetrics.Store(&Metrics{sink: &BlackholeSink{}})
 }
 
 // DefaultConfig provides a sane default configuration
@@ -42,6 +58,7 @@
 		EnableTypePrefix:     false,            // Disable type prefix
 		TimerGranularity:     time.Millisecond, // Timers are in milliseconds
 		ProfileInterval:      time.Second,      // Poll runtime every second
+		FilterDefault:        true,             // Don't filter metrics by default
 	}
 
 	// Try to get the hostname
@@ -55,6 +72,7 @@
 	met := &Metrics{}
 	met.Config = *conf
 	met.sink = sink
+	met.UpdateFilterAndLabels(conf.AllowedPrefixes, conf.BlockedPrefixes, conf.AllowedLabels, conf.BlockedLabels)
 
 	// Start the runtime collector
 	if conf.EnableRuntimeMetrics {
@@ -68,28 +86,56 @@
 func NewGlobal(conf *Config, sink MetricSink) (*Metrics, error) {
 	metrics, err := New(conf, sink)
 	if err == nil {
-		globalMetrics = metrics
+		globalMetrics.Store(metrics)
 	}
 	return metrics, err
 }
 
 // Proxy all the methods to the globalMetrics instance
 func SetGauge(key []string, val float32) {
-	globalMetrics.SetGauge(key, val)
+	globalMetrics.Load().(*Metrics).SetGauge(key, val)
+}
+
+func SetGaugeWithLabels(key []string, val float32, labels []Label) {
+	globalMetrics.Load().(*Metrics).SetGaugeWithLabels(key, val, labels)
 }
 
 func EmitKey(key []string, val float32) {
-	globalMetrics.EmitKey(key, val)
+	globalMetrics.Load().(*Metrics).EmitKey(key, val)
 }
 
 func IncrCounter(key []string, val float32) {
-	globalMetrics.IncrCounter(key, val)
+	globalMetrics.Load().(*Metrics).IncrCounter(key, val)
+}
+
+func IncrCounterWithLabels(key []string, val float32, labels []Label) {
+	globalMetrics.Load().(*Metrics).IncrCounterWithLabels(key, val, labels)
 }
 
 func AddSample(key []string, val float32) {
-	globalMetrics.AddSample(key, val)
+	globalMetrics.Load().(*Metrics).AddSample(key, val)
+}
+
+func AddSampleWithLabels(key []string, val float32, labels []Label) {
+	globalMetrics.Load().(*Metrics).AddSampleWithLabels(key, val, labels)
 }
 
 func MeasureSince(key []string, start time.Time) {
-	globalMetrics.MeasureSince(key, start)
+	globalMetrics.Load().(*Metrics).MeasureSince(key, start)
+}
+
+func MeasureSinceWithLabels(key []string, start time.Time, labels []Label) {
+	globalMetrics.Load().(*Metrics).MeasureSinceWithLabels(key, start, labels)
+}
+
+func UpdateFilter(allow, block []string) {
+	globalMetrics.Load().(*Metrics).UpdateFilter(allow, block)
+}
+
+// UpdateFilterAndLabels set allow/block prefixes of metrics while allowedLabels
+// and blockedLabels - when not nil - allow filtering of labels in order to
+// block/allow globally labels (especially useful when having large number of
+// values for a given label). See README.md for more information about usage.
+func UpdateFilterAndLabels(allow, block, allowedLabels, blockedLabels []string) {
+	globalMetrics.Load().(*Metrics).UpdateFilterAndLabels(allow, block, allowedLabels, blockedLabels)
 }
diff --git a/vendor/github.com/armon/go-metrics/statsd.go b/vendor/github.com/armon/go-metrics/statsd.go
index 65a5021..1bfffce 100644
--- a/vendor/github.com/armon/go-metrics/statsd.go
+++ b/vendor/github.com/armon/go-metrics/statsd.go
@@ -5,6 +5,7 @@
 	"fmt"
 	"log"
 	"net"
+	"net/url"
 	"strings"
 	"time"
 )
@@ -23,6 +24,12 @@
 	metricQueue chan string
 }
 
+// NewStatsdSinkFromURL creates an StatsdSink from a URL. It is used
+// (and tested) from NewMetricSinkFromURL.
+func NewStatsdSinkFromURL(u *url.URL) (MetricSink, error) {
+	return NewStatsdSink(u.Host)
+}
+
 // NewStatsdSink is used to create a new StatsdSink
 func NewStatsdSink(addr string) (*StatsdSink, error) {
 	s := &StatsdSink{
@@ -43,6 +50,11 @@
 	s.pushMetric(fmt.Sprintf("%s:%f|g\n", flatKey, val))
 }
 
+func (s *StatsdSink) SetGaugeWithLabels(key []string, val float32, labels []Label) {
+	flatKey := s.flattenKeyLabels(key, labels)
+	s.pushMetric(fmt.Sprintf("%s:%f|g\n", flatKey, val))
+}
+
 func (s *StatsdSink) EmitKey(key []string, val float32) {
 	flatKey := s.flattenKey(key)
 	s.pushMetric(fmt.Sprintf("%s:%f|kv\n", flatKey, val))
@@ -53,11 +65,21 @@
 	s.pushMetric(fmt.Sprintf("%s:%f|c\n", flatKey, val))
 }
 
+func (s *StatsdSink) IncrCounterWithLabels(key []string, val float32, labels []Label) {
+	flatKey := s.flattenKeyLabels(key, labels)
+	s.pushMetric(fmt.Sprintf("%s:%f|c\n", flatKey, val))
+}
+
 func (s *StatsdSink) AddSample(key []string, val float32) {
 	flatKey := s.flattenKey(key)
 	s.pushMetric(fmt.Sprintf("%s:%f|ms\n", flatKey, val))
 }
 
+func (s *StatsdSink) AddSampleWithLabels(key []string, val float32, labels []Label) {
+	flatKey := s.flattenKeyLabels(key, labels)
+	s.pushMetric(fmt.Sprintf("%s:%f|ms\n", flatKey, val))
+}
+
 // Flattens the key for formatting, removes spaces
 func (s *StatsdSink) flattenKey(parts []string) string {
 	joined := strings.Join(parts, ".")
@@ -73,6 +95,14 @@
 	}, joined)
 }
 
+// Flattens the key along with labels for formatting, removes spaces
+func (s *StatsdSink) flattenKeyLabels(parts []string, labels []Label) string {
+	for _, label := range labels {
+		parts = append(parts, label.Value)
+	}
+	return s.flattenKey(parts)
+}
+
 // Does a non-blocking push to the metrics queue
 func (s *StatsdSink) pushMetric(m string) {
 	select {
diff --git a/vendor/github.com/armon/go-metrics/statsite.go b/vendor/github.com/armon/go-metrics/statsite.go
old mode 100755
new mode 100644
index 6873013..6c0d284
--- a/vendor/github.com/armon/go-metrics/statsite.go
+++ b/vendor/github.com/armon/go-metrics/statsite.go
@@ -5,6 +5,7 @@
 	"fmt"
 	"log"
 	"net"
+	"net/url"
 	"strings"
 	"time"
 )
@@ -16,6 +17,12 @@
 	flushInterval = 100 * time.Millisecond
 )
 
+// NewStatsiteSinkFromURL creates an StatsiteSink from a URL. It is used
+// (and tested) from NewMetricSinkFromURL.
+func NewStatsiteSinkFromURL(u *url.URL) (MetricSink, error) {
+	return NewStatsiteSink(u.Host)
+}
+
 // StatsiteSink provides a MetricSink that can be used with a
 // statsite metrics server
 type StatsiteSink struct {
@@ -43,6 +50,11 @@
 	s.pushMetric(fmt.Sprintf("%s:%f|g\n", flatKey, val))
 }
 
+func (s *StatsiteSink) SetGaugeWithLabels(key []string, val float32, labels []Label) {
+	flatKey := s.flattenKeyLabels(key, labels)
+	s.pushMetric(fmt.Sprintf("%s:%f|g\n", flatKey, val))
+}
+
 func (s *StatsiteSink) EmitKey(key []string, val float32) {
 	flatKey := s.flattenKey(key)
 	s.pushMetric(fmt.Sprintf("%s:%f|kv\n", flatKey, val))
@@ -53,11 +65,21 @@
 	s.pushMetric(fmt.Sprintf("%s:%f|c\n", flatKey, val))
 }
 
+func (s *StatsiteSink) IncrCounterWithLabels(key []string, val float32, labels []Label) {
+	flatKey := s.flattenKeyLabels(key, labels)
+	s.pushMetric(fmt.Sprintf("%s:%f|c\n", flatKey, val))
+}
+
 func (s *StatsiteSink) AddSample(key []string, val float32) {
 	flatKey := s.flattenKey(key)
 	s.pushMetric(fmt.Sprintf("%s:%f|ms\n", flatKey, val))
 }
 
+func (s *StatsiteSink) AddSampleWithLabels(key []string, val float32, labels []Label) {
+	flatKey := s.flattenKeyLabels(key, labels)
+	s.pushMetric(fmt.Sprintf("%s:%f|ms\n", flatKey, val))
+}
+
 // Flattens the key for formatting, removes spaces
 func (s *StatsiteSink) flattenKey(parts []string) string {
 	joined := strings.Join(parts, ".")
@@ -73,6 +95,14 @@
 	}, joined)
 }
 
+// Flattens the key along with labels for formatting, removes spaces
+func (s *StatsiteSink) flattenKeyLabels(parts []string, labels []Label) string {
+	for _, label := range labels {
+		parts = append(parts, label.Value)
+	}
+	return s.flattenKey(parts)
+}
+
 // Does a non-blocking push to the metrics queue
 func (s *StatsiteSink) pushMetric(m string) {
 	select {
diff --git a/vendor/github.com/coreos/etcd/Documentation/README.md b/vendor/github.com/coreos/etcd/Documentation/README.md
deleted file mode 120000
index 8828313..0000000
--- a/vendor/github.com/coreos/etcd/Documentation/README.md
+++ /dev/null
@@ -1 +0,0 @@
-docs.md
\ No newline at end of file
diff --git a/vendor/github.com/coreos/etcd/cmd/etcd b/vendor/github.com/coreos/etcd/cmd/etcd
deleted file mode 120000
index b870225..0000000
--- a/vendor/github.com/coreos/etcd/cmd/etcd
+++ /dev/null
@@ -1 +0,0 @@
-../
\ No newline at end of file
diff --git a/vendor/github.com/coreos/etcd/cmd/etcdctl b/vendor/github.com/coreos/etcd/cmd/etcdctl
deleted file mode 120000
index 05bb269..0000000
--- a/vendor/github.com/coreos/etcd/cmd/etcdctl
+++ /dev/null
@@ -1 +0,0 @@
-../etcdctl
\ No newline at end of file
diff --git a/vendor/github.com/coreos/etcd/cmd/functional b/vendor/github.com/coreos/etcd/cmd/functional
deleted file mode 120000
index 44faa31..0000000
--- a/vendor/github.com/coreos/etcd/cmd/functional
+++ /dev/null
@@ -1 +0,0 @@
-../functional
\ No newline at end of file
diff --git a/vendor/github.com/coreos/etcd/cmd/tools b/vendor/github.com/coreos/etcd/cmd/tools
deleted file mode 120000
index 4887d6e..0000000
--- a/vendor/github.com/coreos/etcd/cmd/tools
+++ /dev/null
@@ -1 +0,0 @@
-../tools
\ No newline at end of file
diff --git a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/doc.go b/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/doc.go
deleted file mode 100644
index f72c6a6..0000000
--- a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/doc.go
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 2016 The etcd Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Package rpctypes has types and values shared by the etcd server and client for v3 RPC interaction.
-package rpctypes
diff --git a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/error.go b/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/error.go
deleted file mode 100644
index 55eab38..0000000
--- a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/error.go
+++ /dev/null
@@ -1,215 +0,0 @@
-// Copyright 2015 The etcd Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package rpctypes
-
-import (
-	"google.golang.org/grpc/codes"
-	"google.golang.org/grpc/status"
-)
-
-// server-side error
-var (
-	ErrGRPCEmptyKey      = status.New(codes.InvalidArgument, "etcdserver: key is not provided").Err()
-	ErrGRPCKeyNotFound   = status.New(codes.InvalidArgument, "etcdserver: key not found").Err()
-	ErrGRPCValueProvided = status.New(codes.InvalidArgument, "etcdserver: value is provided").Err()
-	ErrGRPCLeaseProvided = status.New(codes.InvalidArgument, "etcdserver: lease is provided").Err()
-	ErrGRPCTooManyOps    = status.New(codes.InvalidArgument, "etcdserver: too many operations in txn request").Err()
-	ErrGRPCDuplicateKey  = status.New(codes.InvalidArgument, "etcdserver: duplicate key given in txn request").Err()
-	ErrGRPCCompacted     = status.New(codes.OutOfRange, "etcdserver: mvcc: required revision has been compacted").Err()
-	ErrGRPCFutureRev     = status.New(codes.OutOfRange, "etcdserver: mvcc: required revision is a future revision").Err()
-	ErrGRPCNoSpace       = status.New(codes.ResourceExhausted, "etcdserver: mvcc: database space exceeded").Err()
-
-	ErrGRPCLeaseNotFound    = status.New(codes.NotFound, "etcdserver: requested lease not found").Err()
-	ErrGRPCLeaseExist       = status.New(codes.FailedPrecondition, "etcdserver: lease already exists").Err()
-	ErrGRPCLeaseTTLTooLarge = status.New(codes.OutOfRange, "etcdserver: too large lease TTL").Err()
-
-	ErrGRPCMemberExist            = status.New(codes.FailedPrecondition, "etcdserver: member ID already exist").Err()
-	ErrGRPCPeerURLExist           = status.New(codes.FailedPrecondition, "etcdserver: Peer URLs already exists").Err()
-	ErrGRPCMemberNotEnoughStarted = status.New(codes.FailedPrecondition, "etcdserver: re-configuration failed due to not enough started members").Err()
-	ErrGRPCMemberBadURLs          = status.New(codes.InvalidArgument, "etcdserver: given member URLs are invalid").Err()
-	ErrGRPCMemberNotFound         = status.New(codes.NotFound, "etcdserver: member not found").Err()
-
-	ErrGRPCRequestTooLarge        = status.New(codes.InvalidArgument, "etcdserver: request is too large").Err()
-	ErrGRPCRequestTooManyRequests = status.New(codes.ResourceExhausted, "etcdserver: too many requests").Err()
-
-	ErrGRPCRootUserNotExist     = status.New(codes.FailedPrecondition, "etcdserver: root user does not exist").Err()
-	ErrGRPCRootRoleNotExist     = status.New(codes.FailedPrecondition, "etcdserver: root user does not have root role").Err()
-	ErrGRPCUserAlreadyExist     = status.New(codes.FailedPrecondition, "etcdserver: user name already exists").Err()
-	ErrGRPCUserEmpty            = status.New(codes.InvalidArgument, "etcdserver: user name is empty").Err()
-	ErrGRPCUserNotFound         = status.New(codes.FailedPrecondition, "etcdserver: user name not found").Err()
-	ErrGRPCRoleAlreadyExist     = status.New(codes.FailedPrecondition, "etcdserver: role name already exists").Err()
-	ErrGRPCRoleNotFound         = status.New(codes.FailedPrecondition, "etcdserver: role name not found").Err()
-	ErrGRPCAuthFailed           = status.New(codes.InvalidArgument, "etcdserver: authentication failed, invalid user ID or password").Err()
-	ErrGRPCPermissionDenied     = status.New(codes.PermissionDenied, "etcdserver: permission denied").Err()
-	ErrGRPCRoleNotGranted       = status.New(codes.FailedPrecondition, "etcdserver: role is not granted to the user").Err()
-	ErrGRPCPermissionNotGranted = status.New(codes.FailedPrecondition, "etcdserver: permission is not granted to the role").Err()
-	ErrGRPCAuthNotEnabled       = status.New(codes.FailedPrecondition, "etcdserver: authentication is not enabled").Err()
-	ErrGRPCInvalidAuthToken     = status.New(codes.Unauthenticated, "etcdserver: invalid auth token").Err()
-	ErrGRPCInvalidAuthMgmt      = status.New(codes.InvalidArgument, "etcdserver: invalid auth management").Err()
-
-	ErrGRPCNoLeader                   = status.New(codes.Unavailable, "etcdserver: no leader").Err()
-	ErrGRPCNotLeader                  = status.New(codes.FailedPrecondition, "etcdserver: not leader").Err()
-	ErrGRPCNotCapable                 = status.New(codes.Unavailable, "etcdserver: not capable").Err()
-	ErrGRPCStopped                    = status.New(codes.Unavailable, "etcdserver: server stopped").Err()
-	ErrGRPCTimeout                    = status.New(codes.Unavailable, "etcdserver: request timed out").Err()
-	ErrGRPCTimeoutDueToLeaderFail     = status.New(codes.Unavailable, "etcdserver: request timed out, possibly due to previous leader failure").Err()
-	ErrGRPCTimeoutDueToConnectionLost = status.New(codes.Unavailable, "etcdserver: request timed out, possibly due to connection lost").Err()
-	ErrGRPCUnhealthy                  = status.New(codes.Unavailable, "etcdserver: unhealthy cluster").Err()
-	ErrGRPCCorrupt                    = status.New(codes.DataLoss, "etcdserver: corrupt cluster").Err()
-
-	errStringToError = map[string]error{
-		ErrorDesc(ErrGRPCEmptyKey):      ErrGRPCEmptyKey,
-		ErrorDesc(ErrGRPCKeyNotFound):   ErrGRPCKeyNotFound,
-		ErrorDesc(ErrGRPCValueProvided): ErrGRPCValueProvided,
-		ErrorDesc(ErrGRPCLeaseProvided): ErrGRPCLeaseProvided,
-
-		ErrorDesc(ErrGRPCTooManyOps):   ErrGRPCTooManyOps,
-		ErrorDesc(ErrGRPCDuplicateKey): ErrGRPCDuplicateKey,
-		ErrorDesc(ErrGRPCCompacted):    ErrGRPCCompacted,
-		ErrorDesc(ErrGRPCFutureRev):    ErrGRPCFutureRev,
-		ErrorDesc(ErrGRPCNoSpace):      ErrGRPCNoSpace,
-
-		ErrorDesc(ErrGRPCLeaseNotFound):    ErrGRPCLeaseNotFound,
-		ErrorDesc(ErrGRPCLeaseExist):       ErrGRPCLeaseExist,
-		ErrorDesc(ErrGRPCLeaseTTLTooLarge): ErrGRPCLeaseTTLTooLarge,
-
-		ErrorDesc(ErrGRPCMemberExist):            ErrGRPCMemberExist,
-		ErrorDesc(ErrGRPCPeerURLExist):           ErrGRPCPeerURLExist,
-		ErrorDesc(ErrGRPCMemberNotEnoughStarted): ErrGRPCMemberNotEnoughStarted,
-		ErrorDesc(ErrGRPCMemberBadURLs):          ErrGRPCMemberBadURLs,
-		ErrorDesc(ErrGRPCMemberNotFound):         ErrGRPCMemberNotFound,
-
-		ErrorDesc(ErrGRPCRequestTooLarge):        ErrGRPCRequestTooLarge,
-		ErrorDesc(ErrGRPCRequestTooManyRequests): ErrGRPCRequestTooManyRequests,
-
-		ErrorDesc(ErrGRPCRootUserNotExist):     ErrGRPCRootUserNotExist,
-		ErrorDesc(ErrGRPCRootRoleNotExist):     ErrGRPCRootRoleNotExist,
-		ErrorDesc(ErrGRPCUserAlreadyExist):     ErrGRPCUserAlreadyExist,
-		ErrorDesc(ErrGRPCUserEmpty):            ErrGRPCUserEmpty,
-		ErrorDesc(ErrGRPCUserNotFound):         ErrGRPCUserNotFound,
-		ErrorDesc(ErrGRPCRoleAlreadyExist):     ErrGRPCRoleAlreadyExist,
-		ErrorDesc(ErrGRPCRoleNotFound):         ErrGRPCRoleNotFound,
-		ErrorDesc(ErrGRPCAuthFailed):           ErrGRPCAuthFailed,
-		ErrorDesc(ErrGRPCPermissionDenied):     ErrGRPCPermissionDenied,
-		ErrorDesc(ErrGRPCRoleNotGranted):       ErrGRPCRoleNotGranted,
-		ErrorDesc(ErrGRPCPermissionNotGranted): ErrGRPCPermissionNotGranted,
-		ErrorDesc(ErrGRPCAuthNotEnabled):       ErrGRPCAuthNotEnabled,
-		ErrorDesc(ErrGRPCInvalidAuthToken):     ErrGRPCInvalidAuthToken,
-		ErrorDesc(ErrGRPCInvalidAuthMgmt):      ErrGRPCInvalidAuthMgmt,
-
-		ErrorDesc(ErrGRPCNoLeader):                   ErrGRPCNoLeader,
-		ErrorDesc(ErrGRPCNotLeader):                  ErrGRPCNotLeader,
-		ErrorDesc(ErrGRPCNotCapable):                 ErrGRPCNotCapable,
-		ErrorDesc(ErrGRPCStopped):                    ErrGRPCStopped,
-		ErrorDesc(ErrGRPCTimeout):                    ErrGRPCTimeout,
-		ErrorDesc(ErrGRPCTimeoutDueToLeaderFail):     ErrGRPCTimeoutDueToLeaderFail,
-		ErrorDesc(ErrGRPCTimeoutDueToConnectionLost): ErrGRPCTimeoutDueToConnectionLost,
-		ErrorDesc(ErrGRPCUnhealthy):                  ErrGRPCUnhealthy,
-		ErrorDesc(ErrGRPCCorrupt):                    ErrGRPCCorrupt,
-	}
-)
-
-// client-side error
-var (
-	ErrEmptyKey      = Error(ErrGRPCEmptyKey)
-	ErrKeyNotFound   = Error(ErrGRPCKeyNotFound)
-	ErrValueProvided = Error(ErrGRPCValueProvided)
-	ErrLeaseProvided = Error(ErrGRPCLeaseProvided)
-	ErrTooManyOps    = Error(ErrGRPCTooManyOps)
-	ErrDuplicateKey  = Error(ErrGRPCDuplicateKey)
-	ErrCompacted     = Error(ErrGRPCCompacted)
-	ErrFutureRev     = Error(ErrGRPCFutureRev)
-	ErrNoSpace       = Error(ErrGRPCNoSpace)
-
-	ErrLeaseNotFound    = Error(ErrGRPCLeaseNotFound)
-	ErrLeaseExist       = Error(ErrGRPCLeaseExist)
-	ErrLeaseTTLTooLarge = Error(ErrGRPCLeaseTTLTooLarge)
-
-	ErrMemberExist            = Error(ErrGRPCMemberExist)
-	ErrPeerURLExist           = Error(ErrGRPCPeerURLExist)
-	ErrMemberNotEnoughStarted = Error(ErrGRPCMemberNotEnoughStarted)
-	ErrMemberBadURLs          = Error(ErrGRPCMemberBadURLs)
-	ErrMemberNotFound         = Error(ErrGRPCMemberNotFound)
-
-	ErrRequestTooLarge = Error(ErrGRPCRequestTooLarge)
-	ErrTooManyRequests = Error(ErrGRPCRequestTooManyRequests)
-
-	ErrRootUserNotExist     = Error(ErrGRPCRootUserNotExist)
-	ErrRootRoleNotExist     = Error(ErrGRPCRootRoleNotExist)
-	ErrUserAlreadyExist     = Error(ErrGRPCUserAlreadyExist)
-	ErrUserEmpty            = Error(ErrGRPCUserEmpty)
-	ErrUserNotFound         = Error(ErrGRPCUserNotFound)
-	ErrRoleAlreadyExist     = Error(ErrGRPCRoleAlreadyExist)
-	ErrRoleNotFound         = Error(ErrGRPCRoleNotFound)
-	ErrAuthFailed           = Error(ErrGRPCAuthFailed)
-	ErrPermissionDenied     = Error(ErrGRPCPermissionDenied)
-	ErrRoleNotGranted       = Error(ErrGRPCRoleNotGranted)
-	ErrPermissionNotGranted = Error(ErrGRPCPermissionNotGranted)
-	ErrAuthNotEnabled       = Error(ErrGRPCAuthNotEnabled)
-	ErrInvalidAuthToken     = Error(ErrGRPCInvalidAuthToken)
-	ErrInvalidAuthMgmt      = Error(ErrGRPCInvalidAuthMgmt)
-
-	ErrNoLeader                   = Error(ErrGRPCNoLeader)
-	ErrNotLeader                  = Error(ErrGRPCNotLeader)
-	ErrNotCapable                 = Error(ErrGRPCNotCapable)
-	ErrStopped                    = Error(ErrGRPCStopped)
-	ErrTimeout                    = Error(ErrGRPCTimeout)
-	ErrTimeoutDueToLeaderFail     = Error(ErrGRPCTimeoutDueToLeaderFail)
-	ErrTimeoutDueToConnectionLost = Error(ErrGRPCTimeoutDueToConnectionLost)
-	ErrUnhealthy                  = Error(ErrGRPCUnhealthy)
-	ErrCorrupt                    = Error(ErrGRPCCorrupt)
-)
-
-// EtcdError defines gRPC server errors.
-// (https://github.com/grpc/grpc-go/blob/master/rpc_util.go#L319-L323)
-type EtcdError struct {
-	code codes.Code
-	desc string
-}
-
-// Code returns grpc/codes.Code.
-// TODO: define clientv3/codes.Code.
-func (e EtcdError) Code() codes.Code {
-	return e.code
-}
-
-func (e EtcdError) Error() string {
-	return e.desc
-}
-
-func Error(err error) error {
-	if err == nil {
-		return nil
-	}
-	verr, ok := errStringToError[ErrorDesc(err)]
-	if !ok { // not gRPC error
-		return err
-	}
-	ev, ok := status.FromError(verr)
-	var desc string
-	if ok {
-		desc = ev.Message()
-	} else {
-		desc = verr.Error()
-	}
-	return EtcdError{code: ev.Code(), desc: desc}
-}
-
-func ErrorDesc(err error) string {
-	if s, ok := status.FromError(err); ok {
-		return s.Message()
-	}
-	return err.Error()
-}
diff --git a/vendor/github.com/coreos/go-systemd/LICENSE b/vendor/github.com/coreos/go-systemd/LICENSE
new file mode 100644
index 0000000..37ec93a
--- /dev/null
+++ b/vendor/github.com/coreos/go-systemd/LICENSE
@@ -0,0 +1,191 @@
+Apache License
+Version 2.0, January 2004
+http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+"License" shall mean the terms and conditions for use, reproduction, and
+distribution as defined by Sections 1 through 9 of this document.
+
+"Licensor" shall mean the copyright owner or entity authorized by the copyright
+owner that is granting the License.
+
+"Legal Entity" shall mean the union of the acting entity and all other entities
+that control, are controlled by, or are under common control with that entity.
+For the purposes of this definition, "control" means (i) the power, direct or
+indirect, to cause the direction or management of such entity, whether by
+contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the
+outstanding shares, or (iii) beneficial ownership of such entity.
+
+"You" (or "Your") shall mean an individual or Legal Entity exercising
+permissions granted by this License.
+
+"Source" form shall mean the preferred form for making modifications, including
+but not limited to software source code, documentation source, and configuration
+files.
+
+"Object" form shall mean any form resulting from mechanical transformation or
+translation of a Source form, including but not limited to compiled object code,
+generated documentation, and conversions to other media types.
+
+"Work" shall mean the work of authorship, whether in Source or Object form, made
+available under the License, as indicated by a copyright notice that is included
+in or attached to the work (an example is provided in the Appendix below).
+
+"Derivative Works" shall mean any work, whether in Source or Object form, that
+is based on (or derived from) the Work and for which the editorial revisions,
+annotations, elaborations, or other modifications represent, as a whole, an
+original work of authorship. For the purposes of this License, Derivative Works
+shall not include works that remain separable from, or merely link (or bind by
+name) to the interfaces of, the Work and Derivative Works thereof.
+
+"Contribution" shall mean any work of authorship, including the original version
+of the Work and any modifications or additions to that Work or Derivative Works
+thereof, that is intentionally submitted to Licensor for inclusion in the Work
+by the copyright owner or by an individual or Legal Entity authorized to submit
+on behalf of the copyright owner. For the purposes of this definition,
+"submitted" means any form of electronic, verbal, or written communication sent
+to the Licensor or its representatives, including but not limited to
+communication on electronic mailing lists, source code control systems, and
+issue tracking systems that are managed by, or on behalf of, the Licensor for
+the purpose of discussing and improving the Work, but excluding communication
+that is conspicuously marked or otherwise designated in writing by the copyright
+owner as "Not a Contribution."
+
+"Contributor" shall mean Licensor and any individual or Legal Entity on behalf
+of whom a Contribution has been received by Licensor and subsequently
+incorporated within the Work.
+
+2. Grant of Copyright License.
+
+Subject to the terms and conditions of this License, each Contributor hereby
+grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
+irrevocable copyright license to reproduce, prepare Derivative Works of,
+publicly display, publicly perform, sublicense, and distribute the Work and such
+Derivative Works in Source or Object form.
+
+3. Grant of Patent License.
+
+Subject to the terms and conditions of this License, each Contributor hereby
+grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free,
+irrevocable (except as stated in this section) patent license to make, have
+made, use, offer to sell, sell, import, and otherwise transfer the Work, where
+such license applies only to those patent claims licensable by such Contributor
+that are necessarily infringed by their Contribution(s) alone or by combination
+of their Contribution(s) with the Work to which such Contribution(s) was
+submitted. If You institute patent litigation against any entity (including a
+cross-claim or counterclaim in a lawsuit) alleging that the Work or a
+Contribution incorporated within the Work constitutes direct or contributory
+patent infringement, then any patent licenses granted to You under this License
+for that Work shall terminate as of the date such litigation is filed.
+
+4. Redistribution.
+
+You may reproduce and distribute copies of the Work or Derivative Works thereof
+in any medium, with or without modifications, and in Source or Object form,
+provided that You meet the following conditions:
+
+You must give any other recipients of the Work or Derivative Works a copy of
+this License; and
+You must cause any modified files to carry prominent notices stating that You
+changed the files; and
+You must retain, in the Source form of any Derivative Works that You distribute,
+all copyright, patent, trademark, and attribution notices from the Source form
+of the Work, excluding those notices that do not pertain to any part of the
+Derivative Works; and
+If the Work includes a "NOTICE" text file as part of its distribution, then any
+Derivative Works that You distribute must include a readable copy of the
+attribution notices contained within such NOTICE file, excluding those notices
+that do not pertain to any part of the Derivative Works, in at least one of the
+following places: within a NOTICE text file distributed as part of the
+Derivative Works; within the Source form or documentation, if provided along
+with the Derivative Works; or, within a display generated by the Derivative
+Works, if and wherever such third-party notices normally appear. The contents of
+the NOTICE file are for informational purposes only and do not modify the
+License. You may add Your own attribution notices within Derivative Works that
+You distribute, alongside or as an addendum to the NOTICE text from the Work,
+provided that such additional attribution notices cannot be construed as
+modifying the License.
+You may add Your own copyright statement to Your modifications and may provide
+additional or different license terms and conditions for use, reproduction, or
+distribution of Your modifications, or for any such Derivative Works as a whole,
+provided Your use, reproduction, and distribution of the Work otherwise complies
+with the conditions stated in this License.
+
+5. Submission of Contributions.
+
+Unless You explicitly state otherwise, any Contribution intentionally submitted
+for inclusion in the Work by You to the Licensor shall be under the terms and
+conditions of this License, without any additional terms or conditions.
+Notwithstanding the above, nothing herein shall supersede or modify the terms of
+any separate license agreement you may have executed with Licensor regarding
+such Contributions.
+
+6. Trademarks.
+
+This License does not grant permission to use the trade names, trademarks,
+service marks, or product names of the Licensor, except as required for
+reasonable and customary use in describing the origin of the Work and
+reproducing the content of the NOTICE file.
+
+7. Disclaimer of Warranty.
+
+Unless required by applicable law or agreed to in writing, Licensor provides the
+Work (and each Contributor provides its Contributions) on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,
+including, without limitation, any warranties or conditions of TITLE,
+NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are
+solely responsible for determining the appropriateness of using or
+redistributing the Work and assume any risks associated with Your exercise of
+permissions under this License.
+
+8. Limitation of Liability.
+
+In no event and under no legal theory, whether in tort (including negligence),
+contract, or otherwise, unless required by applicable law (such as deliberate
+and grossly negligent acts) or agreed to in writing, shall any Contributor be
+liable to You for damages, including any direct, indirect, special, incidental,
+or consequential damages of any character arising as a result of this License or
+out of the use or inability to use the Work (including but not limited to
+damages for loss of goodwill, work stoppage, computer failure or malfunction, or
+any and all other commercial damages or losses), even if such Contributor has
+been advised of the possibility of such damages.
+
+9. Accepting Warranty or Additional Liability.
+
+While redistributing the Work or Derivative Works thereof, You may choose to
+offer, and charge a fee for, acceptance of support, warranty, indemnity, or
+other liability obligations and/or rights consistent with this License. However,
+in accepting such obligations, You may act only on Your own behalf and on Your
+sole responsibility, not on behalf of any other Contributor, and only if You
+agree to indemnify, defend, and hold each Contributor harmless for any liability
+incurred by, or claims asserted against, such Contributor by reason of your
+accepting any such warranty or additional liability.
+
+END OF TERMS AND CONDITIONS
+
+APPENDIX: How to apply the Apache License to your work
+
+To apply the Apache License to your work, attach the following boilerplate
+notice, with the fields enclosed by brackets "[]" replaced with your own
+identifying information. (Don't include the brackets!) The text should be
+enclosed in the appropriate comment syntax for the file format. We also
+recommend that a file or class name and description of purpose be included on
+the same "printed page" as the copyright notice for easier identification within
+third-party archives.
+
+   Copyright [yyyy] [name of copyright owner]
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
diff --git a/vendor/github.com/coreos/go-systemd/NOTICE b/vendor/github.com/coreos/go-systemd/NOTICE
new file mode 100644
index 0000000..23a0ada
--- /dev/null
+++ b/vendor/github.com/coreos/go-systemd/NOTICE
@@ -0,0 +1,5 @@
+CoreOS Project
+Copyright 2018 CoreOS, Inc
+
+This product includes software developed at CoreOS, Inc.
+(http://www.coreos.com/).
diff --git a/vendor/github.com/coreos/go-systemd/journal/journal.go b/vendor/github.com/coreos/go-systemd/journal/journal.go
new file mode 100644
index 0000000..603ad4c
--- /dev/null
+++ b/vendor/github.com/coreos/go-systemd/journal/journal.go
@@ -0,0 +1,189 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package journal provides write bindings to the local systemd journal.
+// It is implemented in pure Go and connects to the journal directly over its
+// unix socket.
+//
+// To read from the journal, see the "sdjournal" package, which wraps the
+// sd-journal a C API.
+//
+// http://www.freedesktop.org/software/systemd/man/systemd-journald.service.html
+package journal
+
+import (
+	"bytes"
+	"encoding/binary"
+	"errors"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net"
+	"os"
+	"strconv"
+	"strings"
+	"syscall"
+)
+
+// Priority of a journal message
+type Priority int
+
+const (
+	PriEmerg Priority = iota
+	PriAlert
+	PriCrit
+	PriErr
+	PriWarning
+	PriNotice
+	PriInfo
+	PriDebug
+)
+
+var conn net.Conn
+
+func init() {
+	var err error
+	conn, err = net.Dial("unixgram", "/run/systemd/journal/socket")
+	if err != nil {
+		conn = nil
+	}
+}
+
+// Enabled returns true if the local systemd journal is available for logging
+func Enabled() bool {
+	return conn != nil
+}
+
+// Send a message to the local systemd journal. vars is a map of journald
+// fields to values.  Fields must be composed of uppercase letters, numbers,
+// and underscores, but must not start with an underscore. Within these
+// restrictions, any arbitrary field name may be used.  Some names have special
+// significance: see the journalctl documentation
+// (http://www.freedesktop.org/software/systemd/man/systemd.journal-fields.html)
+// for more details.  vars may be nil.
+func Send(message string, priority Priority, vars map[string]string) error {
+	if conn == nil {
+		return journalError("could not connect to journald socket")
+	}
+
+	data := new(bytes.Buffer)
+	appendVariable(data, "PRIORITY", strconv.Itoa(int(priority)))
+	appendVariable(data, "MESSAGE", message)
+	for k, v := range vars {
+		appendVariable(data, k, v)
+	}
+
+	_, err := io.Copy(conn, data)
+	if err != nil && isSocketSpaceError(err) {
+		file, err := tempFd()
+		if err != nil {
+			return journalError(err.Error())
+		}
+		defer file.Close()
+		_, err = io.Copy(file, data)
+		if err != nil {
+			return journalError(err.Error())
+		}
+
+		rights := syscall.UnixRights(int(file.Fd()))
+
+		/* this connection should always be a UnixConn, but better safe than sorry */
+		unixConn, ok := conn.(*net.UnixConn)
+		if !ok {
+			return journalError("can't send file through non-Unix connection")
+		}
+		_, _, err = unixConn.WriteMsgUnix([]byte{}, rights, nil)
+		if err != nil {
+			return journalError(err.Error())
+		}
+	} else if err != nil {
+		return journalError(err.Error())
+	}
+	return nil
+}
+
+// Print prints a message to the local systemd journal using Send().
+func Print(priority Priority, format string, a ...interface{}) error {
+	return Send(fmt.Sprintf(format, a...), priority, nil)
+}
+
+func appendVariable(w io.Writer, name, value string) {
+	if err := validVarName(name); err != nil {
+		journalError(err.Error())
+	}
+	if strings.ContainsRune(value, '\n') {
+		/* When the value contains a newline, we write:
+		 * - the variable name, followed by a newline
+		 * - the size (in 64bit little endian format)
+		 * - the data, followed by a newline
+		 */
+		fmt.Fprintln(w, name)
+		binary.Write(w, binary.LittleEndian, uint64(len(value)))
+		fmt.Fprintln(w, value)
+	} else {
+		/* just write the variable and value all on one line */
+		fmt.Fprintf(w, "%s=%s\n", name, value)
+	}
+}
+
+// validVarName validates a variable name to make sure it journald will accept it.
+// The variable name must be in uppercase and consist only of characters,
+// numbers and underscores, and may not begin with an underscore. (from the docs)
+// https://www.freedesktop.org/software/systemd/man/sd_journal_print.html
+func validVarName(name string) error {
+	if name == "" {
+		return errors.New("Empty variable name")
+	} else if name[0] == '_' {
+		return errors.New("Variable name begins with an underscore")
+	}
+
+	for _, c := range name {
+		if !(('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || c == '_') {
+			return errors.New("Variable name contains invalid characters")
+		}
+	}
+	return nil
+}
+
+func isSocketSpaceError(err error) bool {
+	opErr, ok := err.(*net.OpError)
+	if !ok {
+		return false
+	}
+
+	sysErr, ok := opErr.Err.(syscall.Errno)
+	if !ok {
+		return false
+	}
+
+	return sysErr == syscall.EMSGSIZE || sysErr == syscall.ENOBUFS
+}
+
+func tempFd() (*os.File, error) {
+	file, err := ioutil.TempFile("/dev/shm/", "journal.XXXXX")
+	if err != nil {
+		return nil, err
+	}
+	err = syscall.Unlink(file.Name())
+	if err != nil {
+		return nil, err
+	}
+	return file, nil
+}
+
+func journalError(s string) error {
+	s = "journal error: " + s
+	fmt.Fprintln(os.Stderr, s)
+	return errors.New(s)
+}
diff --git a/vendor/github.com/coreos/etcd/LICENSE b/vendor/github.com/coreos/pkg/LICENSE
similarity index 98%
rename from vendor/github.com/coreos/etcd/LICENSE
rename to vendor/github.com/coreos/pkg/LICENSE
index d645695..e06d208 100644
--- a/vendor/github.com/coreos/etcd/LICENSE
+++ b/vendor/github.com/coreos/pkg/LICENSE
@@ -1,5 +1,4 @@
-
-                                 Apache License
+Apache License
                            Version 2.0, January 2004
                         http://www.apache.org/licenses/
 
@@ -179,7 +178,7 @@
    APPENDIX: How to apply the Apache License to your work.
 
       To apply the Apache License to your work, attach the following
-      boilerplate notice, with the fields enclosed by brackets "[]"
+      boilerplate notice, with the fields enclosed by brackets "{}"
       replaced with your own identifying information. (Don't include
       the brackets!)  The text should be enclosed in the appropriate
       comment syntax for the file format. We also recommend that a
@@ -187,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright [yyyy] [name of copyright owner]
+   Copyright {yyyy} {name of copyright owner}
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
@@ -200,3 +199,4 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
+
diff --git a/vendor/github.com/coreos/etcd/NOTICE b/vendor/github.com/coreos/pkg/NOTICE
similarity index 100%
rename from vendor/github.com/coreos/etcd/NOTICE
rename to vendor/github.com/coreos/pkg/NOTICE
diff --git a/vendor/github.com/coreos/pkg/capnslog/README.md b/vendor/github.com/coreos/pkg/capnslog/README.md
new file mode 100644
index 0000000..f79dbfc
--- /dev/null
+++ b/vendor/github.com/coreos/pkg/capnslog/README.md
@@ -0,0 +1,39 @@
+# capnslog, the CoreOS logging package
+
+There are far too many logging packages out there, with varying degrees of licenses, far too many features (colorization, all sorts of log frameworks) or are just a pain to use (lack of `Fatalln()`?).
+capnslog provides a simple but consistent logging interface suitable for all kinds of projects.
+
+### Design Principles
+
+##### `package main` is the place where logging gets turned on and routed
+
+A library should not touch log options, only generate log entries. Libraries are silent until main lets them speak.
+
+##### All log options are runtime-configurable. 
+
+Still the job of `main` to expose these configurations. `main` may delegate this to, say, a configuration webhook, but does so explicitly. 
+
+##### There is one log object per package. It is registered under its repository and package name.
+
+`main` activates logging for its repository and any dependency repositories it would also like to have output in its logstream. `main` also dictates at which level each subpackage logs.
+
+##### There is *one* output stream, and it is an `io.Writer` composed with a formatter.
+
+Splitting streams is probably not the job of your program, but rather, your log aggregation framework. If you must split output streams, again, `main` configures this and you can write a very simple two-output struct that satisfies io.Writer.
+
+Fancy colorful formatting and JSON output are beyond the scope of a basic logging framework -- they're application/log-collector dependent. These are, at best, provided as options, but more likely, provided by your application.
+
+##### Log objects are an interface
+
+An object knows best how to print itself. Log objects can collect more interesting metadata if they wish, however, because text isn't going away anytime soon, they must all be marshalable to text. The simplest log object is a string, which returns itself. If you wish to do more fancy tricks for printing your log objects, see also JSON output -- introspect and write a formatter which can handle your advanced log interface. Making strings is the only thing guaranteed.
+
+##### Log levels have specific meanings:
+
+  * Critical: Unrecoverable. Must fail.
+  * Error: Data has been lost, a request has failed for a bad reason, or a required resource has been lost
+  * Warning: (Hopefully) Temporary conditions that may cause errors, but may work fine. A replica disappearing (that may reconnect) is a warning.
+  * Notice: Normal, but important (uncommon) log information.
+  * Info: Normal, working log information, everything is fine, but helpful notices for auditing or common operations.
+  * Debug: Everything is still fine, but even common operations may be logged, and less helpful but more quantity of notices.
+  * Trace: Anything goes, from logging every function call as part of a common operation, to tracing execution of a query.
+
diff --git a/vendor/github.com/coreos/pkg/capnslog/formatters.go b/vendor/github.com/coreos/pkg/capnslog/formatters.go
new file mode 100644
index 0000000..b305a84
--- /dev/null
+++ b/vendor/github.com/coreos/pkg/capnslog/formatters.go
@@ -0,0 +1,157 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package capnslog
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"log"
+	"runtime"
+	"strings"
+	"time"
+)
+
+type Formatter interface {
+	Format(pkg string, level LogLevel, depth int, entries ...interface{})
+	Flush()
+}
+
+func NewStringFormatter(w io.Writer) Formatter {
+	return &StringFormatter{
+		w: bufio.NewWriter(w),
+	}
+}
+
+type StringFormatter struct {
+	w *bufio.Writer
+}
+
+func (s *StringFormatter) Format(pkg string, l LogLevel, i int, entries ...interface{}) {
+	now := time.Now().UTC()
+	s.w.WriteString(now.Format(time.RFC3339))
+	s.w.WriteByte(' ')
+	writeEntries(s.w, pkg, l, i, entries...)
+	s.Flush()
+}
+
+func writeEntries(w *bufio.Writer, pkg string, _ LogLevel, _ int, entries ...interface{}) {
+	if pkg != "" {
+		w.WriteString(pkg + ": ")
+	}
+	str := fmt.Sprint(entries...)
+	endsInNL := strings.HasSuffix(str, "\n")
+	w.WriteString(str)
+	if !endsInNL {
+		w.WriteString("\n")
+	}
+}
+
+func (s *StringFormatter) Flush() {
+	s.w.Flush()
+}
+
+func NewPrettyFormatter(w io.Writer, debug bool) Formatter {
+	return &PrettyFormatter{
+		w:     bufio.NewWriter(w),
+		debug: debug,
+	}
+}
+
+type PrettyFormatter struct {
+	w     *bufio.Writer
+	debug bool
+}
+
+func (c *PrettyFormatter) Format(pkg string, l LogLevel, depth int, entries ...interface{}) {
+	now := time.Now()
+	ts := now.Format("2006-01-02 15:04:05")
+	c.w.WriteString(ts)
+	ms := now.Nanosecond() / 1000
+	c.w.WriteString(fmt.Sprintf(".%06d", ms))
+	if c.debug {
+		_, file, line, ok := runtime.Caller(depth) // It's always the same number of frames to the user's call.
+		if !ok {
+			file = "???"
+			line = 1
+		} else {
+			slash := strings.LastIndex(file, "/")
+			if slash >= 0 {
+				file = file[slash+1:]
+			}
+		}
+		if line < 0 {
+			line = 0 // not a real line number
+		}
+		c.w.WriteString(fmt.Sprintf(" [%s:%d]", file, line))
+	}
+	c.w.WriteString(fmt.Sprint(" ", l.Char(), " | "))
+	writeEntries(c.w, pkg, l, depth, entries...)
+	c.Flush()
+}
+
+func (c *PrettyFormatter) Flush() {
+	c.w.Flush()
+}
+
+// LogFormatter emulates the form of the traditional built-in logger.
+type LogFormatter struct {
+	logger *log.Logger
+	prefix string
+}
+
+// NewLogFormatter is a helper to produce a new LogFormatter struct. It uses the
+// golang log package to actually do the logging work so that logs look similar.
+func NewLogFormatter(w io.Writer, prefix string, flag int) Formatter {
+	return &LogFormatter{
+		logger: log.New(w, "", flag), // don't use prefix here
+		prefix: prefix,               // save it instead
+	}
+}
+
+// Format builds a log message for the LogFormatter. The LogLevel is ignored.
+func (lf *LogFormatter) Format(pkg string, _ LogLevel, _ int, entries ...interface{}) {
+	str := fmt.Sprint(entries...)
+	prefix := lf.prefix
+	if pkg != "" {
+		prefix = fmt.Sprintf("%s%s: ", prefix, pkg)
+	}
+	lf.logger.Output(5, fmt.Sprintf("%s%v", prefix, str)) // call depth is 5
+}
+
+// Flush is included so that the interface is complete, but is a no-op.
+func (lf *LogFormatter) Flush() {
+	// noop
+}
+
+// NilFormatter is a no-op log formatter that does nothing.
+type NilFormatter struct {
+}
+
+// NewNilFormatter is a helper to produce a new LogFormatter struct. It logs no
+// messages so that you can cause part of your logging to be silent.
+func NewNilFormatter() Formatter {
+	return &NilFormatter{}
+}
+
+// Format does nothing.
+func (_ *NilFormatter) Format(_ string, _ LogLevel, _ int, _ ...interface{}) {
+	// noop
+}
+
+// Flush is included so that the interface is complete, but is a no-op.
+func (_ *NilFormatter) Flush() {
+	// noop
+}
diff --git a/vendor/github.com/coreos/pkg/capnslog/glog_formatter.go b/vendor/github.com/coreos/pkg/capnslog/glog_formatter.go
new file mode 100644
index 0000000..426603e
--- /dev/null
+++ b/vendor/github.com/coreos/pkg/capnslog/glog_formatter.go
@@ -0,0 +1,96 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package capnslog
+
+import (
+	"bufio"
+	"bytes"
+	"io"
+	"os"
+	"runtime"
+	"strconv"
+	"strings"
+	"time"
+)
+
+var pid = os.Getpid()
+
+type GlogFormatter struct {
+	StringFormatter
+}
+
+func NewGlogFormatter(w io.Writer) *GlogFormatter {
+	g := &GlogFormatter{}
+	g.w = bufio.NewWriter(w)
+	return g
+}
+
+func (g GlogFormatter) Format(pkg string, level LogLevel, depth int, entries ...interface{}) {
+	g.w.Write(GlogHeader(level, depth+1))
+	g.StringFormatter.Format(pkg, level, depth+1, entries...)
+}
+
+func GlogHeader(level LogLevel, depth int) []byte {
+	// Lmmdd hh:mm:ss.uuuuuu threadid file:line]
+	now := time.Now().UTC()
+	_, file, line, ok := runtime.Caller(depth) // It's always the same number of frames to the user's call.
+	if !ok {
+		file = "???"
+		line = 1
+	} else {
+		slash := strings.LastIndex(file, "/")
+		if slash >= 0 {
+			file = file[slash+1:]
+		}
+	}
+	if line < 0 {
+		line = 0 // not a real line number
+	}
+	buf := &bytes.Buffer{}
+	buf.Grow(30)
+	_, month, day := now.Date()
+	hour, minute, second := now.Clock()
+	buf.WriteString(level.Char())
+	twoDigits(buf, int(month))
+	twoDigits(buf, day)
+	buf.WriteByte(' ')
+	twoDigits(buf, hour)
+	buf.WriteByte(':')
+	twoDigits(buf, minute)
+	buf.WriteByte(':')
+	twoDigits(buf, second)
+	buf.WriteByte('.')
+	buf.WriteString(strconv.Itoa(now.Nanosecond() / 1000))
+	buf.WriteByte('Z')
+	buf.WriteByte(' ')
+	buf.WriteString(strconv.Itoa(pid))
+	buf.WriteByte(' ')
+	buf.WriteString(file)
+	buf.WriteByte(':')
+	buf.WriteString(strconv.Itoa(line))
+	buf.WriteByte(']')
+	buf.WriteByte(' ')
+	return buf.Bytes()
+}
+
+const digits = "0123456789"
+
+func twoDigits(b *bytes.Buffer, d int) {
+	c2 := digits[d%10]
+	d /= 10
+	c1 := digits[d%10]
+	b.WriteByte(c1)
+	b.WriteByte(c2)
+}
diff --git a/vendor/github.com/coreos/pkg/capnslog/init.go b/vendor/github.com/coreos/pkg/capnslog/init.go
new file mode 100644
index 0000000..44b8cd3
--- /dev/null
+++ b/vendor/github.com/coreos/pkg/capnslog/init.go
@@ -0,0 +1,49 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// +build !windows
+
+package capnslog
+
+import (
+	"io"
+	"os"
+	"syscall"
+)
+
+// Here's where the opinionation comes in. We need some sensible defaults,
+// especially after taking over the log package. Your project (whatever it may
+// be) may see things differently. That's okay; there should be no defaults in
+// the main package that cannot be controlled or overridden programatically,
+// otherwise it's a bug. Doing so is creating your own init_log.go file much
+// like this one.
+
+func init() {
+	initHijack()
+
+	// Go `log` pacakge uses os.Stderr.
+	SetFormatter(NewDefaultFormatter(os.Stderr))
+	SetGlobalLogLevel(INFO)
+}
+
+func NewDefaultFormatter(out io.Writer) Formatter {
+	if syscall.Getppid() == 1 {
+		// We're running under init, which may be systemd.
+		f, err := NewJournaldFormatter()
+		if err == nil {
+			return f
+		}
+	}
+	return NewPrettyFormatter(out, false)
+}
diff --git a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go b/vendor/github.com/coreos/pkg/capnslog/init_windows.go
similarity index 72%
copy from vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go
copy to vendor/github.com/coreos/pkg/capnslog/init_windows.go
index 5c590e1..4553050 100644
--- a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go
+++ b/vendor/github.com/coreos/pkg/capnslog/init_windows.go
@@ -1,4 +1,4 @@
-// Copyright 2016 The etcd Authors
+// Copyright 2015 CoreOS, Inc.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,9 +12,14 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package rpctypes
+package capnslog
 
-var (
-	MetadataRequireLeaderKey = "hasleader"
-	MetadataHasLeader        = "true"
-)
+import "os"
+
+func init() {
+	initHijack()
+
+	// Go `log` package uses os.Stderr.
+	SetFormatter(NewPrettyFormatter(os.Stderr, false))
+	SetGlobalLogLevel(INFO)
+}
diff --git a/vendor/github.com/coreos/pkg/capnslog/journald_formatter.go b/vendor/github.com/coreos/pkg/capnslog/journald_formatter.go
new file mode 100644
index 0000000..72e0520
--- /dev/null
+++ b/vendor/github.com/coreos/pkg/capnslog/journald_formatter.go
@@ -0,0 +1,68 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// +build !windows
+
+package capnslog
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"github.com/coreos/go-systemd/journal"
+)
+
+func NewJournaldFormatter() (Formatter, error) {
+	if !journal.Enabled() {
+		return nil, errors.New("No systemd detected")
+	}
+	return &journaldFormatter{}, nil
+}
+
+type journaldFormatter struct{}
+
+func (j *journaldFormatter) Format(pkg string, l LogLevel, _ int, entries ...interface{}) {
+	var pri journal.Priority
+	switch l {
+	case CRITICAL:
+		pri = journal.PriCrit
+	case ERROR:
+		pri = journal.PriErr
+	case WARNING:
+		pri = journal.PriWarning
+	case NOTICE:
+		pri = journal.PriNotice
+	case INFO:
+		pri = journal.PriInfo
+	case DEBUG:
+		pri = journal.PriDebug
+	case TRACE:
+		pri = journal.PriDebug
+	default:
+		panic("Unhandled loglevel")
+	}
+	msg := fmt.Sprint(entries...)
+	tags := map[string]string{
+		"PACKAGE":           pkg,
+		"SYSLOG_IDENTIFIER": filepath.Base(os.Args[0]),
+	}
+	err := journal.Send(msg, pri, tags)
+	if err != nil {
+		fmt.Fprintln(os.Stderr, err)
+	}
+}
+
+func (j *journaldFormatter) Flush() {}
diff --git a/vendor/github.com/coreos/pkg/capnslog/log_hijack.go b/vendor/github.com/coreos/pkg/capnslog/log_hijack.go
new file mode 100644
index 0000000..970086b
--- /dev/null
+++ b/vendor/github.com/coreos/pkg/capnslog/log_hijack.go
@@ -0,0 +1,39 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package capnslog
+
+import (
+	"log"
+)
+
+func initHijack() {
+	pkg := NewPackageLogger("log", "")
+	w := packageWriter{pkg}
+	log.SetFlags(0)
+	log.SetPrefix("")
+	log.SetOutput(w)
+}
+
+type packageWriter struct {
+	pl *PackageLogger
+}
+
+func (p packageWriter) Write(b []byte) (int, error) {
+	if p.pl.level < INFO {
+		return 0, nil
+	}
+	p.pl.internalLog(calldepth+2, INFO, string(b))
+	return len(b), nil
+}
diff --git a/vendor/github.com/coreos/pkg/capnslog/logmap.go b/vendor/github.com/coreos/pkg/capnslog/logmap.go
new file mode 100644
index 0000000..226b60c
--- /dev/null
+++ b/vendor/github.com/coreos/pkg/capnslog/logmap.go
@@ -0,0 +1,245 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package capnslog
+
+import (
+	"errors"
+	"strings"
+	"sync"
+)
+
+// LogLevel is the set of all log levels.
+type LogLevel int8
+
+const (
+	// CRITICAL is the lowest log level; only errors which will end the program will be propagated.
+	CRITICAL LogLevel = iota - 1
+	// ERROR is for errors that are not fatal but lead to troubling behavior.
+	ERROR
+	// WARNING is for errors which are not fatal and not errors, but are unusual. Often sourced from misconfigurations.
+	WARNING
+	// NOTICE is for normal but significant conditions.
+	NOTICE
+	// INFO is a log level for common, everyday log updates.
+	INFO
+	// DEBUG is the default hidden level for more verbose updates about internal processes.
+	DEBUG
+	// TRACE is for (potentially) call by call tracing of programs.
+	TRACE
+)
+
+// Char returns a single-character representation of the log level.
+func (l LogLevel) Char() string {
+	switch l {
+	case CRITICAL:
+		return "C"
+	case ERROR:
+		return "E"
+	case WARNING:
+		return "W"
+	case NOTICE:
+		return "N"
+	case INFO:
+		return "I"
+	case DEBUG:
+		return "D"
+	case TRACE:
+		return "T"
+	default:
+		panic("Unhandled loglevel")
+	}
+}
+
+// String returns a multi-character representation of the log level.
+func (l LogLevel) String() string {
+	switch l {
+	case CRITICAL:
+		return "CRITICAL"
+	case ERROR:
+		return "ERROR"
+	case WARNING:
+		return "WARNING"
+	case NOTICE:
+		return "NOTICE"
+	case INFO:
+		return "INFO"
+	case DEBUG:
+		return "DEBUG"
+	case TRACE:
+		return "TRACE"
+	default:
+		panic("Unhandled loglevel")
+	}
+}
+
+// Update using the given string value. Fulfills the flag.Value interface.
+func (l *LogLevel) Set(s string) error {
+	value, err := ParseLevel(s)
+	if err != nil {
+		return err
+	}
+
+	*l = value
+	return nil
+}
+
+// Returns an empty string, only here to fulfill the pflag.Value interface.
+func (l *LogLevel) Type() string {
+	return ""
+}
+
+// ParseLevel translates some potential loglevel strings into their corresponding levels.
+func ParseLevel(s string) (LogLevel, error) {
+	switch s {
+	case "CRITICAL", "C":
+		return CRITICAL, nil
+	case "ERROR", "0", "E":
+		return ERROR, nil
+	case "WARNING", "1", "W":
+		return WARNING, nil
+	case "NOTICE", "2", "N":
+		return NOTICE, nil
+	case "INFO", "3", "I":
+		return INFO, nil
+	case "DEBUG", "4", "D":
+		return DEBUG, nil
+	case "TRACE", "5", "T":
+		return TRACE, nil
+	}
+	return CRITICAL, errors.New("couldn't parse log level " + s)
+}
+
+type RepoLogger map[string]*PackageLogger
+
+type loggerStruct struct {
+	sync.Mutex
+	repoMap   map[string]RepoLogger
+	formatter Formatter
+}
+
+// logger is the global logger
+var logger = new(loggerStruct)
+
+// SetGlobalLogLevel sets the log level for all packages in all repositories
+// registered with capnslog.
+func SetGlobalLogLevel(l LogLevel) {
+	logger.Lock()
+	defer logger.Unlock()
+	for _, r := range logger.repoMap {
+		r.setRepoLogLevelInternal(l)
+	}
+}
+
+// GetRepoLogger may return the handle to the repository's set of packages' loggers.
+func GetRepoLogger(repo string) (RepoLogger, error) {
+	logger.Lock()
+	defer logger.Unlock()
+	r, ok := logger.repoMap[repo]
+	if !ok {
+		return nil, errors.New("no packages registered for repo " + repo)
+	}
+	return r, nil
+}
+
+// MustRepoLogger returns the handle to the repository's packages' loggers.
+func MustRepoLogger(repo string) RepoLogger {
+	r, err := GetRepoLogger(repo)
+	if err != nil {
+		panic(err)
+	}
+	return r
+}
+
+// SetRepoLogLevel sets the log level for all packages in the repository.
+func (r RepoLogger) SetRepoLogLevel(l LogLevel) {
+	logger.Lock()
+	defer logger.Unlock()
+	r.setRepoLogLevelInternal(l)
+}
+
+func (r RepoLogger) setRepoLogLevelInternal(l LogLevel) {
+	for _, v := range r {
+		v.level = l
+	}
+}
+
+// ParseLogLevelConfig parses a comma-separated string of "package=loglevel", in
+// order, and returns a map of the results, for use in SetLogLevel.
+func (r RepoLogger) ParseLogLevelConfig(conf string) (map[string]LogLevel, error) {
+	setlist := strings.Split(conf, ",")
+	out := make(map[string]LogLevel)
+	for _, setstring := range setlist {
+		setting := strings.Split(setstring, "=")
+		if len(setting) != 2 {
+			return nil, errors.New("oddly structured `pkg=level` option: " + setstring)
+		}
+		l, err := ParseLevel(setting[1])
+		if err != nil {
+			return nil, err
+		}
+		out[setting[0]] = l
+	}
+	return out, nil
+}
+
+// SetLogLevel takes a map of package names within a repository to their desired
+// loglevel, and sets the levels appropriately. Unknown packages are ignored.
+// "*" is a special package name that corresponds to all packages, and will be
+// processed first.
+func (r RepoLogger) SetLogLevel(m map[string]LogLevel) {
+	logger.Lock()
+	defer logger.Unlock()
+	if l, ok := m["*"]; ok {
+		r.setRepoLogLevelInternal(l)
+	}
+	for k, v := range m {
+		l, ok := r[k]
+		if !ok {
+			continue
+		}
+		l.level = v
+	}
+}
+
+// SetFormatter sets the formatting function for all logs.
+func SetFormatter(f Formatter) {
+	logger.Lock()
+	defer logger.Unlock()
+	logger.formatter = f
+}
+
+// NewPackageLogger creates a package logger object.
+// This should be defined as a global var in your package, referencing your repo.
+func NewPackageLogger(repo string, pkg string) (p *PackageLogger) {
+	logger.Lock()
+	defer logger.Unlock()
+	if logger.repoMap == nil {
+		logger.repoMap = make(map[string]RepoLogger)
+	}
+	r, rok := logger.repoMap[repo]
+	if !rok {
+		logger.repoMap[repo] = make(RepoLogger)
+		r = logger.repoMap[repo]
+	}
+	p, pok := r[pkg]
+	if !pok {
+		r[pkg] = &PackageLogger{
+			pkg:   pkg,
+			level: INFO,
+		}
+		p = r[pkg]
+	}
+	return
+}
diff --git a/vendor/github.com/coreos/pkg/capnslog/pkg_logger.go b/vendor/github.com/coreos/pkg/capnslog/pkg_logger.go
new file mode 100644
index 0000000..00ff371
--- /dev/null
+++ b/vendor/github.com/coreos/pkg/capnslog/pkg_logger.go
@@ -0,0 +1,191 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package capnslog
+
+import (
+	"fmt"
+	"os"
+)
+
+type PackageLogger struct {
+	pkg   string
+	level LogLevel
+}
+
+const calldepth = 2
+
+func (p *PackageLogger) internalLog(depth int, inLevel LogLevel, entries ...interface{}) {
+	logger.Lock()
+	defer logger.Unlock()
+	if inLevel != CRITICAL && p.level < inLevel {
+		return
+	}
+	if logger.formatter != nil {
+		logger.formatter.Format(p.pkg, inLevel, depth+1, entries...)
+	}
+}
+
+// SetLevel allows users to change the current logging level.
+func (p *PackageLogger) SetLevel(l LogLevel) {
+	logger.Lock()
+	defer logger.Unlock()
+	p.level = l
+}
+
+// LevelAt checks if the given log level will be outputted under current setting.
+func (p *PackageLogger) LevelAt(l LogLevel) bool {
+	logger.Lock()
+	defer logger.Unlock()
+	return p.level >= l
+}
+
+// Log a formatted string at any level between ERROR and TRACE
+func (p *PackageLogger) Logf(l LogLevel, format string, args ...interface{}) {
+	p.internalLog(calldepth, l, fmt.Sprintf(format, args...))
+}
+
+// Log a message at any level between ERROR and TRACE
+func (p *PackageLogger) Log(l LogLevel, args ...interface{}) {
+	p.internalLog(calldepth, l, fmt.Sprint(args...))
+}
+
+// log stdlib compatibility
+
+func (p *PackageLogger) Println(args ...interface{}) {
+	p.internalLog(calldepth, INFO, fmt.Sprintln(args...))
+}
+
+func (p *PackageLogger) Printf(format string, args ...interface{}) {
+	p.Logf(INFO, format, args...)
+}
+
+func (p *PackageLogger) Print(args ...interface{}) {
+	p.internalLog(calldepth, INFO, fmt.Sprint(args...))
+}
+
+// Panic and fatal
+
+func (p *PackageLogger) Panicf(format string, args ...interface{}) {
+	s := fmt.Sprintf(format, args...)
+	p.internalLog(calldepth, CRITICAL, s)
+	panic(s)
+}
+
+func (p *PackageLogger) Panic(args ...interface{}) {
+	s := fmt.Sprint(args...)
+	p.internalLog(calldepth, CRITICAL, s)
+	panic(s)
+}
+
+func (p *PackageLogger) Panicln(args ...interface{}) {
+	s := fmt.Sprintln(args...)
+	p.internalLog(calldepth, CRITICAL, s)
+	panic(s)
+}
+
+func (p *PackageLogger) Fatalf(format string, args ...interface{}) {
+	p.Logf(CRITICAL, format, args...)
+	os.Exit(1)
+}
+
+func (p *PackageLogger) Fatal(args ...interface{}) {
+	s := fmt.Sprint(args...)
+	p.internalLog(calldepth, CRITICAL, s)
+	os.Exit(1)
+}
+
+func (p *PackageLogger) Fatalln(args ...interface{}) {
+	s := fmt.Sprintln(args...)
+	p.internalLog(calldepth, CRITICAL, s)
+	os.Exit(1)
+}
+
+// Error Functions
+
+func (p *PackageLogger) Errorf(format string, args ...interface{}) {
+	p.Logf(ERROR, format, args...)
+}
+
+func (p *PackageLogger) Error(entries ...interface{}) {
+	p.internalLog(calldepth, ERROR, entries...)
+}
+
+// Warning Functions
+
+func (p *PackageLogger) Warningf(format string, args ...interface{}) {
+	p.Logf(WARNING, format, args...)
+}
+
+func (p *PackageLogger) Warning(entries ...interface{}) {
+	p.internalLog(calldepth, WARNING, entries...)
+}
+
+// Notice Functions
+
+func (p *PackageLogger) Noticef(format string, args ...interface{}) {
+	p.Logf(NOTICE, format, args...)
+}
+
+func (p *PackageLogger) Notice(entries ...interface{}) {
+	p.internalLog(calldepth, NOTICE, entries...)
+}
+
+// Info Functions
+
+func (p *PackageLogger) Infof(format string, args ...interface{}) {
+	p.Logf(INFO, format, args...)
+}
+
+func (p *PackageLogger) Info(entries ...interface{}) {
+	p.internalLog(calldepth, INFO, entries...)
+}
+
+// Debug Functions
+
+func (p *PackageLogger) Debugf(format string, args ...interface{}) {
+	if p.level < DEBUG {
+		return
+	}
+	p.Logf(DEBUG, format, args...)
+}
+
+func (p *PackageLogger) Debug(entries ...interface{}) {
+	if p.level < DEBUG {
+		return
+	}
+	p.internalLog(calldepth, DEBUG, entries...)
+}
+
+// Trace Functions
+
+func (p *PackageLogger) Tracef(format string, args ...interface{}) {
+	if p.level < TRACE {
+		return
+	}
+	p.Logf(TRACE, format, args...)
+}
+
+func (p *PackageLogger) Trace(entries ...interface{}) {
+	if p.level < TRACE {
+		return
+	}
+	p.internalLog(calldepth, TRACE, entries...)
+}
+
+func (p *PackageLogger) Flush() {
+	logger.Lock()
+	defer logger.Unlock()
+	logger.formatter.Flush()
+}
diff --git a/vendor/github.com/coreos/pkg/capnslog/syslog_formatter.go b/vendor/github.com/coreos/pkg/capnslog/syslog_formatter.go
new file mode 100644
index 0000000..4be5a1f
--- /dev/null
+++ b/vendor/github.com/coreos/pkg/capnslog/syslog_formatter.go
@@ -0,0 +1,65 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// +build !windows
+
+package capnslog
+
+import (
+	"fmt"
+	"log/syslog"
+)
+
+func NewSyslogFormatter(w *syslog.Writer) Formatter {
+	return &syslogFormatter{w}
+}
+
+func NewDefaultSyslogFormatter(tag string) (Formatter, error) {
+	w, err := syslog.New(syslog.LOG_DEBUG, tag)
+	if err != nil {
+		return nil, err
+	}
+	return NewSyslogFormatter(w), nil
+}
+
+type syslogFormatter struct {
+	w *syslog.Writer
+}
+
+func (s *syslogFormatter) Format(pkg string, l LogLevel, _ int, entries ...interface{}) {
+	for _, entry := range entries {
+		str := fmt.Sprint(entry)
+		switch l {
+		case CRITICAL:
+			s.w.Crit(str)
+		case ERROR:
+			s.w.Err(str)
+		case WARNING:
+			s.w.Warning(str)
+		case NOTICE:
+			s.w.Notice(str)
+		case INFO:
+			s.w.Info(str)
+		case DEBUG:
+			s.w.Debug(str)
+		case TRACE:
+			s.w.Debug(str)
+		default:
+			panic("Unhandled loglevel")
+		}
+	}
+}
+
+func (s *syslogFormatter) Flush() {
+}
diff --git a/vendor/github.com/gogo/protobuf/gogoproto/gogo.pb.go b/vendor/github.com/gogo/protobuf/gogoproto/gogo.pb.go
index 0057f8e..e352808 100644
--- a/vendor/github.com/gogo/protobuf/gogoproto/gogo.pb.go
+++ b/vendor/github.com/gogo/protobuf/gogoproto/gogo.pb.go
@@ -1,12 +1,14 @@
 // Code generated by protoc-gen-gogo. DO NOT EDIT.
 // source: gogo.proto
 
-package gogoproto // import "github.com/gogo/protobuf/gogoproto"
+package gogoproto
 
-import proto "github.com/gogo/protobuf/proto"
-import fmt "fmt"
-import math "math"
-import descriptor "github.com/gogo/protobuf/protoc-gen-gogo/descriptor"
+import (
+	fmt "fmt"
+	proto "github.com/gogo/protobuf/proto"
+	descriptor "github.com/gogo/protobuf/protoc-gen-gogo/descriptor"
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -24,7 +26,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         62001,
 	Name:          "gogoproto.goproto_enum_prefix",
-	Tag:           "varint,62001,opt,name=goproto_enum_prefix,json=goprotoEnumPrefix",
+	Tag:           "varint,62001,opt,name=goproto_enum_prefix",
 	Filename:      "gogo.proto",
 }
 
@@ -33,7 +35,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         62021,
 	Name:          "gogoproto.goproto_enum_stringer",
-	Tag:           "varint,62021,opt,name=goproto_enum_stringer,json=goprotoEnumStringer",
+	Tag:           "varint,62021,opt,name=goproto_enum_stringer",
 	Filename:      "gogo.proto",
 }
 
@@ -42,7 +44,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         62022,
 	Name:          "gogoproto.enum_stringer",
-	Tag:           "varint,62022,opt,name=enum_stringer,json=enumStringer",
+	Tag:           "varint,62022,opt,name=enum_stringer",
 	Filename:      "gogo.proto",
 }
 
@@ -51,7 +53,7 @@
 	ExtensionType: (*string)(nil),
 	Field:         62023,
 	Name:          "gogoproto.enum_customname",
-	Tag:           "bytes,62023,opt,name=enum_customname,json=enumCustomname",
+	Tag:           "bytes,62023,opt,name=enum_customname",
 	Filename:      "gogo.proto",
 }
 
@@ -69,7 +71,7 @@
 	ExtensionType: (*string)(nil),
 	Field:         66001,
 	Name:          "gogoproto.enumvalue_customname",
-	Tag:           "bytes,66001,opt,name=enumvalue_customname,json=enumvalueCustomname",
+	Tag:           "bytes,66001,opt,name=enumvalue_customname",
 	Filename:      "gogo.proto",
 }
 
@@ -78,7 +80,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63001,
 	Name:          "gogoproto.goproto_getters_all",
-	Tag:           "varint,63001,opt,name=goproto_getters_all,json=goprotoGettersAll",
+	Tag:           "varint,63001,opt,name=goproto_getters_all",
 	Filename:      "gogo.proto",
 }
 
@@ -87,7 +89,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63002,
 	Name:          "gogoproto.goproto_enum_prefix_all",
-	Tag:           "varint,63002,opt,name=goproto_enum_prefix_all,json=goprotoEnumPrefixAll",
+	Tag:           "varint,63002,opt,name=goproto_enum_prefix_all",
 	Filename:      "gogo.proto",
 }
 
@@ -96,7 +98,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63003,
 	Name:          "gogoproto.goproto_stringer_all",
-	Tag:           "varint,63003,opt,name=goproto_stringer_all,json=goprotoStringerAll",
+	Tag:           "varint,63003,opt,name=goproto_stringer_all",
 	Filename:      "gogo.proto",
 }
 
@@ -105,7 +107,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63004,
 	Name:          "gogoproto.verbose_equal_all",
-	Tag:           "varint,63004,opt,name=verbose_equal_all,json=verboseEqualAll",
+	Tag:           "varint,63004,opt,name=verbose_equal_all",
 	Filename:      "gogo.proto",
 }
 
@@ -114,7 +116,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63005,
 	Name:          "gogoproto.face_all",
-	Tag:           "varint,63005,opt,name=face_all,json=faceAll",
+	Tag:           "varint,63005,opt,name=face_all",
 	Filename:      "gogo.proto",
 }
 
@@ -123,7 +125,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63006,
 	Name:          "gogoproto.gostring_all",
-	Tag:           "varint,63006,opt,name=gostring_all,json=gostringAll",
+	Tag:           "varint,63006,opt,name=gostring_all",
 	Filename:      "gogo.proto",
 }
 
@@ -132,7 +134,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63007,
 	Name:          "gogoproto.populate_all",
-	Tag:           "varint,63007,opt,name=populate_all,json=populateAll",
+	Tag:           "varint,63007,opt,name=populate_all",
 	Filename:      "gogo.proto",
 }
 
@@ -141,7 +143,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63008,
 	Name:          "gogoproto.stringer_all",
-	Tag:           "varint,63008,opt,name=stringer_all,json=stringerAll",
+	Tag:           "varint,63008,opt,name=stringer_all",
 	Filename:      "gogo.proto",
 }
 
@@ -150,7 +152,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63009,
 	Name:          "gogoproto.onlyone_all",
-	Tag:           "varint,63009,opt,name=onlyone_all,json=onlyoneAll",
+	Tag:           "varint,63009,opt,name=onlyone_all",
 	Filename:      "gogo.proto",
 }
 
@@ -159,7 +161,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63013,
 	Name:          "gogoproto.equal_all",
-	Tag:           "varint,63013,opt,name=equal_all,json=equalAll",
+	Tag:           "varint,63013,opt,name=equal_all",
 	Filename:      "gogo.proto",
 }
 
@@ -168,7 +170,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63014,
 	Name:          "gogoproto.description_all",
-	Tag:           "varint,63014,opt,name=description_all,json=descriptionAll",
+	Tag:           "varint,63014,opt,name=description_all",
 	Filename:      "gogo.proto",
 }
 
@@ -177,7 +179,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63015,
 	Name:          "gogoproto.testgen_all",
-	Tag:           "varint,63015,opt,name=testgen_all,json=testgenAll",
+	Tag:           "varint,63015,opt,name=testgen_all",
 	Filename:      "gogo.proto",
 }
 
@@ -186,7 +188,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63016,
 	Name:          "gogoproto.benchgen_all",
-	Tag:           "varint,63016,opt,name=benchgen_all,json=benchgenAll",
+	Tag:           "varint,63016,opt,name=benchgen_all",
 	Filename:      "gogo.proto",
 }
 
@@ -195,7 +197,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63017,
 	Name:          "gogoproto.marshaler_all",
-	Tag:           "varint,63017,opt,name=marshaler_all,json=marshalerAll",
+	Tag:           "varint,63017,opt,name=marshaler_all",
 	Filename:      "gogo.proto",
 }
 
@@ -204,7 +206,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63018,
 	Name:          "gogoproto.unmarshaler_all",
-	Tag:           "varint,63018,opt,name=unmarshaler_all,json=unmarshalerAll",
+	Tag:           "varint,63018,opt,name=unmarshaler_all",
 	Filename:      "gogo.proto",
 }
 
@@ -213,7 +215,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63019,
 	Name:          "gogoproto.stable_marshaler_all",
-	Tag:           "varint,63019,opt,name=stable_marshaler_all,json=stableMarshalerAll",
+	Tag:           "varint,63019,opt,name=stable_marshaler_all",
 	Filename:      "gogo.proto",
 }
 
@@ -222,7 +224,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63020,
 	Name:          "gogoproto.sizer_all",
-	Tag:           "varint,63020,opt,name=sizer_all,json=sizerAll",
+	Tag:           "varint,63020,opt,name=sizer_all",
 	Filename:      "gogo.proto",
 }
 
@@ -231,7 +233,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63021,
 	Name:          "gogoproto.goproto_enum_stringer_all",
-	Tag:           "varint,63021,opt,name=goproto_enum_stringer_all,json=goprotoEnumStringerAll",
+	Tag:           "varint,63021,opt,name=goproto_enum_stringer_all",
 	Filename:      "gogo.proto",
 }
 
@@ -240,7 +242,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63022,
 	Name:          "gogoproto.enum_stringer_all",
-	Tag:           "varint,63022,opt,name=enum_stringer_all,json=enumStringerAll",
+	Tag:           "varint,63022,opt,name=enum_stringer_all",
 	Filename:      "gogo.proto",
 }
 
@@ -249,7 +251,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63023,
 	Name:          "gogoproto.unsafe_marshaler_all",
-	Tag:           "varint,63023,opt,name=unsafe_marshaler_all,json=unsafeMarshalerAll",
+	Tag:           "varint,63023,opt,name=unsafe_marshaler_all",
 	Filename:      "gogo.proto",
 }
 
@@ -258,7 +260,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63024,
 	Name:          "gogoproto.unsafe_unmarshaler_all",
-	Tag:           "varint,63024,opt,name=unsafe_unmarshaler_all,json=unsafeUnmarshalerAll",
+	Tag:           "varint,63024,opt,name=unsafe_unmarshaler_all",
 	Filename:      "gogo.proto",
 }
 
@@ -267,7 +269,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63025,
 	Name:          "gogoproto.goproto_extensions_map_all",
-	Tag:           "varint,63025,opt,name=goproto_extensions_map_all,json=goprotoExtensionsMapAll",
+	Tag:           "varint,63025,opt,name=goproto_extensions_map_all",
 	Filename:      "gogo.proto",
 }
 
@@ -276,7 +278,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63026,
 	Name:          "gogoproto.goproto_unrecognized_all",
-	Tag:           "varint,63026,opt,name=goproto_unrecognized_all,json=goprotoUnrecognizedAll",
+	Tag:           "varint,63026,opt,name=goproto_unrecognized_all",
 	Filename:      "gogo.proto",
 }
 
@@ -285,7 +287,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63027,
 	Name:          "gogoproto.gogoproto_import",
-	Tag:           "varint,63027,opt,name=gogoproto_import,json=gogoprotoImport",
+	Tag:           "varint,63027,opt,name=gogoproto_import",
 	Filename:      "gogo.proto",
 }
 
@@ -294,7 +296,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63028,
 	Name:          "gogoproto.protosizer_all",
-	Tag:           "varint,63028,opt,name=protosizer_all,json=protosizerAll",
+	Tag:           "varint,63028,opt,name=protosizer_all",
 	Filename:      "gogo.proto",
 }
 
@@ -303,7 +305,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63029,
 	Name:          "gogoproto.compare_all",
-	Tag:           "varint,63029,opt,name=compare_all,json=compareAll",
+	Tag:           "varint,63029,opt,name=compare_all",
 	Filename:      "gogo.proto",
 }
 
@@ -312,7 +314,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63030,
 	Name:          "gogoproto.typedecl_all",
-	Tag:           "varint,63030,opt,name=typedecl_all,json=typedeclAll",
+	Tag:           "varint,63030,opt,name=typedecl_all",
 	Filename:      "gogo.proto",
 }
 
@@ -321,7 +323,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63031,
 	Name:          "gogoproto.enumdecl_all",
-	Tag:           "varint,63031,opt,name=enumdecl_all,json=enumdeclAll",
+	Tag:           "varint,63031,opt,name=enumdecl_all",
 	Filename:      "gogo.proto",
 }
 
@@ -330,7 +332,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63032,
 	Name:          "gogoproto.goproto_registration",
-	Tag:           "varint,63032,opt,name=goproto_registration,json=goprotoRegistration",
+	Tag:           "varint,63032,opt,name=goproto_registration",
 	Filename:      "gogo.proto",
 }
 
@@ -339,7 +341,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63033,
 	Name:          "gogoproto.messagename_all",
-	Tag:           "varint,63033,opt,name=messagename_all,json=messagenameAll",
+	Tag:           "varint,63033,opt,name=messagename_all",
 	Filename:      "gogo.proto",
 }
 
@@ -348,7 +350,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63034,
 	Name:          "gogoproto.goproto_sizecache_all",
-	Tag:           "varint,63034,opt,name=goproto_sizecache_all,json=goprotoSizecacheAll",
+	Tag:           "varint,63034,opt,name=goproto_sizecache_all",
 	Filename:      "gogo.proto",
 }
 
@@ -357,7 +359,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         63035,
 	Name:          "gogoproto.goproto_unkeyed_all",
-	Tag:           "varint,63035,opt,name=goproto_unkeyed_all,json=goprotoUnkeyedAll",
+	Tag:           "varint,63035,opt,name=goproto_unkeyed_all",
 	Filename:      "gogo.proto",
 }
 
@@ -366,7 +368,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         64001,
 	Name:          "gogoproto.goproto_getters",
-	Tag:           "varint,64001,opt,name=goproto_getters,json=goprotoGetters",
+	Tag:           "varint,64001,opt,name=goproto_getters",
 	Filename:      "gogo.proto",
 }
 
@@ -375,7 +377,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         64003,
 	Name:          "gogoproto.goproto_stringer",
-	Tag:           "varint,64003,opt,name=goproto_stringer,json=goprotoStringer",
+	Tag:           "varint,64003,opt,name=goproto_stringer",
 	Filename:      "gogo.proto",
 }
 
@@ -384,7 +386,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         64004,
 	Name:          "gogoproto.verbose_equal",
-	Tag:           "varint,64004,opt,name=verbose_equal,json=verboseEqual",
+	Tag:           "varint,64004,opt,name=verbose_equal",
 	Filename:      "gogo.proto",
 }
 
@@ -492,7 +494,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         64019,
 	Name:          "gogoproto.stable_marshaler",
-	Tag:           "varint,64019,opt,name=stable_marshaler,json=stableMarshaler",
+	Tag:           "varint,64019,opt,name=stable_marshaler",
 	Filename:      "gogo.proto",
 }
 
@@ -510,7 +512,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         64023,
 	Name:          "gogoproto.unsafe_marshaler",
-	Tag:           "varint,64023,opt,name=unsafe_marshaler,json=unsafeMarshaler",
+	Tag:           "varint,64023,opt,name=unsafe_marshaler",
 	Filename:      "gogo.proto",
 }
 
@@ -519,7 +521,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         64024,
 	Name:          "gogoproto.unsafe_unmarshaler",
-	Tag:           "varint,64024,opt,name=unsafe_unmarshaler,json=unsafeUnmarshaler",
+	Tag:           "varint,64024,opt,name=unsafe_unmarshaler",
 	Filename:      "gogo.proto",
 }
 
@@ -528,7 +530,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         64025,
 	Name:          "gogoproto.goproto_extensions_map",
-	Tag:           "varint,64025,opt,name=goproto_extensions_map,json=goprotoExtensionsMap",
+	Tag:           "varint,64025,opt,name=goproto_extensions_map",
 	Filename:      "gogo.proto",
 }
 
@@ -537,7 +539,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         64026,
 	Name:          "gogoproto.goproto_unrecognized",
-	Tag:           "varint,64026,opt,name=goproto_unrecognized,json=goprotoUnrecognized",
+	Tag:           "varint,64026,opt,name=goproto_unrecognized",
 	Filename:      "gogo.proto",
 }
 
@@ -582,7 +584,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         64034,
 	Name:          "gogoproto.goproto_sizecache",
-	Tag:           "varint,64034,opt,name=goproto_sizecache,json=goprotoSizecache",
+	Tag:           "varint,64034,opt,name=goproto_sizecache",
 	Filename:      "gogo.proto",
 }
 
@@ -591,7 +593,7 @@
 	ExtensionType: (*bool)(nil),
 	Field:         64035,
 	Name:          "gogoproto.goproto_unkeyed",
-	Tag:           "varint,64035,opt,name=goproto_unkeyed,json=goprotoUnkeyed",
+	Tag:           "varint,64035,opt,name=goproto_unkeyed",
 	Filename:      "gogo.proto",
 }
 
@@ -782,9 +784,9 @@
 	proto.RegisterExtension(E_Wktpointer)
 }
 
-func init() { proto.RegisterFile("gogo.proto", fileDescriptor_gogo_b95f77e237336c7c) }
+func init() { proto.RegisterFile("gogo.proto", fileDescriptor_592445b5231bc2b9) }
 
-var fileDescriptor_gogo_b95f77e237336c7c = []byte{
+var fileDescriptor_592445b5231bc2b9 = []byte{
 	// 1328 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x94, 0x98, 0x49, 0x6f, 0x1c, 0x45,
 	0x14, 0x80, 0x85, 0x48, 0x64, 0x4f, 0x79, 0x8b, 0xc7, 0xc6, 0x84, 0x08, 0x44, 0xe0, 0xc4, 0xc9,
diff --git a/vendor/github.com/gogo/protobuf/proto/decode.go b/vendor/github.com/gogo/protobuf/proto/decode.go
index d9aa3c4..63b0f08 100644
--- a/vendor/github.com/gogo/protobuf/proto/decode.go
+++ b/vendor/github.com/gogo/protobuf/proto/decode.go
@@ -186,7 +186,6 @@
 	if b&0x80 == 0 {
 		goto done
 	}
-	// x -= 0x80 << 63 // Always zero.
 
 	return 0, errOverflow
 
diff --git a/vendor/github.com/gogo/protobuf/proto/deprecated.go b/vendor/github.com/gogo/protobuf/proto/deprecated.go
new file mode 100644
index 0000000..35b882c
--- /dev/null
+++ b/vendor/github.com/gogo/protobuf/proto/deprecated.go
@@ -0,0 +1,63 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2018 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package proto
+
+import "errors"
+
+// Deprecated: do not use.
+type Stats struct{ Emalloc, Dmalloc, Encode, Decode, Chit, Cmiss, Size uint64 }
+
+// Deprecated: do not use.
+func GetStats() Stats { return Stats{} }
+
+// Deprecated: do not use.
+func MarshalMessageSet(interface{}) ([]byte, error) {
+	return nil, errors.New("proto: not implemented")
+}
+
+// Deprecated: do not use.
+func UnmarshalMessageSet([]byte, interface{}) error {
+	return errors.New("proto: not implemented")
+}
+
+// Deprecated: do not use.
+func MarshalMessageSetJSON(interface{}) ([]byte, error) {
+	return nil, errors.New("proto: not implemented")
+}
+
+// Deprecated: do not use.
+func UnmarshalMessageSetJSON([]byte, interface{}) error {
+	return errors.New("proto: not implemented")
+}
+
+// Deprecated: do not use.
+func RegisterMessageSetType(Message, int32, string) {}
diff --git a/vendor/github.com/gogo/protobuf/proto/extensions.go b/vendor/github.com/gogo/protobuf/proto/extensions.go
index 44ebd45..686bd2a 100644
--- a/vendor/github.com/gogo/protobuf/proto/extensions.go
+++ b/vendor/github.com/gogo/protobuf/proto/extensions.go
@@ -544,7 +544,7 @@
 	}
 	typ := reflect.TypeOf(extension.ExtensionType)
 	if typ != reflect.TypeOf(value) {
-		return errors.New("proto: bad extension value type")
+		return fmt.Errorf("proto: bad extension value type. got: %T, want: %T", value, extension.ExtensionType)
 	}
 	// nil extension values need to be caught early, because the
 	// encoder can't distinguish an ErrNil due to a nil extension
diff --git a/vendor/github.com/gogo/protobuf/proto/lib.go b/vendor/github.com/gogo/protobuf/proto/lib.go
index b2271d0..d17f802 100644
--- a/vendor/github.com/gogo/protobuf/proto/lib.go
+++ b/vendor/github.com/gogo/protobuf/proto/lib.go
@@ -341,26 +341,6 @@
 	ProtoMessage()
 }
 
-// Stats records allocation details about the protocol buffer encoders
-// and decoders.  Useful for tuning the library itself.
-type Stats struct {
-	Emalloc uint64 // mallocs in encode
-	Dmalloc uint64 // mallocs in decode
-	Encode  uint64 // number of encodes
-	Decode  uint64 // number of decodes
-	Chit    uint64 // number of cache hits
-	Cmiss   uint64 // number of cache misses
-	Size    uint64 // number of sizes
-}
-
-// Set to true to enable stats collection.
-const collectStats = false
-
-var stats Stats
-
-// GetStats returns a copy of the global Stats structure.
-func GetStats() Stats { return stats }
-
 // A Buffer is a buffer manager for marshaling and unmarshaling
 // protocol buffers.  It may be reused between invocations to
 // reduce memory usage.  It is not necessary to use a Buffer;
diff --git a/vendor/github.com/gogo/protobuf/proto/message_set.go b/vendor/github.com/gogo/protobuf/proto/message_set.go
index 3b6ca41..f48a756 100644
--- a/vendor/github.com/gogo/protobuf/proto/message_set.go
+++ b/vendor/github.com/gogo/protobuf/proto/message_set.go
@@ -36,13 +36,7 @@
  */
 
 import (
-	"bytes"
-	"encoding/json"
 	"errors"
-	"fmt"
-	"reflect"
-	"sort"
-	"sync"
 )
 
 // errNoMessageTypeID occurs when a protocol buffer does not have a message type ID.
@@ -145,46 +139,9 @@
 	return buf[i+1:]
 }
 
-// MarshalMessageSet encodes the extension map represented by m in the message set wire format.
-// It is called by generated Marshal methods on protocol buffer messages with the message_set_wire_format option.
-func MarshalMessageSet(exts interface{}) ([]byte, error) {
-	return marshalMessageSet(exts, false)
-}
-
-// marshaMessageSet implements above function, with the opt to turn on / off deterministic during Marshal.
-func marshalMessageSet(exts interface{}, deterministic bool) ([]byte, error) {
-	switch exts := exts.(type) {
-	case *XXX_InternalExtensions:
-		var u marshalInfo
-		siz := u.sizeMessageSet(exts)
-		b := make([]byte, 0, siz)
-		return u.appendMessageSet(b, exts, deterministic)
-
-	case map[int32]Extension:
-		// This is an old-style extension map.
-		// Wrap it in a new-style XXX_InternalExtensions.
-		ie := XXX_InternalExtensions{
-			p: &struct {
-				mu           sync.Mutex
-				extensionMap map[int32]Extension
-			}{
-				extensionMap: exts,
-			},
-		}
-
-		var u marshalInfo
-		siz := u.sizeMessageSet(&ie)
-		b := make([]byte, 0, siz)
-		return u.appendMessageSet(b, &ie, deterministic)
-
-	default:
-		return nil, errors.New("proto: not an extension map")
-	}
-}
-
-// UnmarshalMessageSet decodes the extension map encoded in buf in the message set wire format.
+// unmarshalMessageSet decodes the extension map encoded in buf in the message set wire format.
 // It is called by Unmarshal methods on protocol buffer messages with the message_set_wire_format option.
-func UnmarshalMessageSet(buf []byte, exts interface{}) error {
+func unmarshalMessageSet(buf []byte, exts interface{}) error {
 	var m map[int32]Extension
 	switch exts := exts.(type) {
 	case *XXX_InternalExtensions:
@@ -222,93 +179,3 @@
 	}
 	return nil
 }
-
-// MarshalMessageSetJSON encodes the extension map represented by m in JSON format.
-// It is called by generated MarshalJSON methods on protocol buffer messages with the message_set_wire_format option.
-func MarshalMessageSetJSON(exts interface{}) ([]byte, error) {
-	var m map[int32]Extension
-	switch exts := exts.(type) {
-	case *XXX_InternalExtensions:
-		var mu sync.Locker
-		m, mu = exts.extensionsRead()
-		if m != nil {
-			// Keep the extensions map locked until we're done marshaling to prevent
-			// races between marshaling and unmarshaling the lazily-{en,de}coded
-			// values.
-			mu.Lock()
-			defer mu.Unlock()
-		}
-	case map[int32]Extension:
-		m = exts
-	default:
-		return nil, errors.New("proto: not an extension map")
-	}
-	var b bytes.Buffer
-	b.WriteByte('{')
-
-	// Process the map in key order for deterministic output.
-	ids := make([]int32, 0, len(m))
-	for id := range m {
-		ids = append(ids, id)
-	}
-	sort.Sort(int32Slice(ids)) // int32Slice defined in text.go
-
-	for i, id := range ids {
-		ext := m[id]
-		msd, ok := messageSetMap[id]
-		if !ok {
-			// Unknown type; we can't render it, so skip it.
-			continue
-		}
-
-		if i > 0 && b.Len() > 1 {
-			b.WriteByte(',')
-		}
-
-		fmt.Fprintf(&b, `"[%s]":`, msd.name)
-
-		x := ext.value
-		if x == nil {
-			x = reflect.New(msd.t.Elem()).Interface()
-			if err := Unmarshal(ext.enc, x.(Message)); err != nil {
-				return nil, err
-			}
-		}
-		d, err := json.Marshal(x)
-		if err != nil {
-			return nil, err
-		}
-		b.Write(d)
-	}
-	b.WriteByte('}')
-	return b.Bytes(), nil
-}
-
-// UnmarshalMessageSetJSON decodes the extension map encoded in buf in JSON format.
-// It is called by generated UnmarshalJSON methods on protocol buffer messages with the message_set_wire_format option.
-func UnmarshalMessageSetJSON(buf []byte, exts interface{}) error {
-	// Common-case fast path.
-	if len(buf) == 0 || bytes.Equal(buf, []byte("{}")) {
-		return nil
-	}
-
-	// This is fairly tricky, and it's not clear that it is needed.
-	return errors.New("TODO: UnmarshalMessageSetJSON not yet implemented")
-}
-
-// A global registry of types that can be used in a MessageSet.
-
-var messageSetMap = make(map[int32]messageSetDesc)
-
-type messageSetDesc struct {
-	t    reflect.Type // pointer to struct
-	name string
-}
-
-// RegisterMessageSetType is called from the generated code.
-func RegisterMessageSetType(m Message, fieldNum int32, name string) {
-	messageSetMap[fieldNum] = messageSetDesc{
-		t:    reflect.TypeOf(m),
-		name: name,
-	}
-}
diff --git a/vendor/github.com/gogo/protobuf/proto/properties.go b/vendor/github.com/gogo/protobuf/proto/properties.go
index 04dcb8d..c9e5fa0 100644
--- a/vendor/github.com/gogo/protobuf/proto/properties.go
+++ b/vendor/github.com/gogo/protobuf/proto/properties.go
@@ -391,9 +391,6 @@
 	sprop, ok := propertiesMap[t]
 	propertiesMu.RUnlock()
 	if ok {
-		if collectStats {
-			stats.Chit++
-		}
 		return sprop
 	}
 
@@ -406,14 +403,8 @@
 // getPropertiesLocked requires that propertiesMu is held.
 func getPropertiesLocked(t reflect.Type) *StructProperties {
 	if prop, ok := propertiesMap[t]; ok {
-		if collectStats {
-			stats.Chit++
-		}
 		return prop
 	}
-	if collectStats {
-		stats.Cmiss++
-	}
 
 	prop := new(StructProperties)
 	// in case of recursive protos, fill this in now.
diff --git a/vendor/github.com/gogo/protobuf/proto/table_marshal.go b/vendor/github.com/gogo/protobuf/proto/table_marshal.go
index ba58c49..9b1538d 100644
--- a/vendor/github.com/gogo/protobuf/proto/table_marshal.go
+++ b/vendor/github.com/gogo/protobuf/proto/table_marshal.go
@@ -491,7 +491,7 @@
 
 func (fi *marshalFieldInfo) computeOneofFieldInfo(f *reflect.StructField, oneofImplementers []interface{}) {
 	fi.field = toField(f)
-	fi.wiretag = 1<<31 - 1 // Use a large tag number, make oneofs sorted at the end. This tag will not appear on the wire.
+	fi.wiretag = math.MaxInt32 // Use a large tag number, make oneofs sorted at the end. This tag will not appear on the wire.
 	fi.isPointer = true
 	fi.sizer, fi.marshaler = makeOneOfMarshaler(fi, f)
 	fi.oneofElems = make(map[reflect.Type]*marshalElemInfo)
diff --git a/vendor/github.com/gogo/protobuf/proto/table_unmarshal.go b/vendor/github.com/gogo/protobuf/proto/table_unmarshal.go
index e6b15c7..bb2622f 100644
--- a/vendor/github.com/gogo/protobuf/proto/table_unmarshal.go
+++ b/vendor/github.com/gogo/protobuf/proto/table_unmarshal.go
@@ -138,7 +138,7 @@
 		u.computeUnmarshalInfo()
 	}
 	if u.isMessageSet {
-		return UnmarshalMessageSet(b, m.offset(u.extensions).toExtensions())
+		return unmarshalMessageSet(b, m.offset(u.extensions).toExtensions())
 	}
 	var reqMask uint64 // bitmask of required fields we've seen.
 	var errLater error
@@ -2142,7 +2142,7 @@
 // If there is an error, it returns 0,0.
 func decodeVarint(b []byte) (uint64, int) {
 	var x, y uint64
-	if len(b) <= 0 {
+	if len(b) == 0 {
 		goto bad
 	}
 	x = uint64(b[0])
diff --git a/vendor/github.com/gogo/protobuf/protoc-gen-gogo/descriptor/descriptor.pb.go b/vendor/github.com/gogo/protobuf/protoc-gen-gogo/descriptor/descriptor.pb.go
index 44f893b..cacfa39 100644
--- a/vendor/github.com/gogo/protobuf/protoc-gen-gogo/descriptor/descriptor.pb.go
+++ b/vendor/github.com/gogo/protobuf/protoc-gen-gogo/descriptor/descriptor.pb.go
@@ -3,9 +3,11 @@
 
 package descriptor
 
-import proto "github.com/gogo/protobuf/proto"
-import fmt "fmt"
-import math "math"
+import (
+	fmt "fmt"
+	proto "github.com/gogo/protobuf/proto"
+	math "math"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -72,6 +74,7 @@
 	17: "TYPE_SINT32",
 	18: "TYPE_SINT64",
 }
+
 var FieldDescriptorProto_Type_value = map[string]int32{
 	"TYPE_DOUBLE":   1,
 	"TYPE_FLOAT":    2,
@@ -98,9 +101,11 @@
 	*p = x
 	return p
 }
+
 func (x FieldDescriptorProto_Type) String() string {
 	return proto.EnumName(FieldDescriptorProto_Type_name, int32(x))
 }
+
 func (x *FieldDescriptorProto_Type) UnmarshalJSON(data []byte) error {
 	value, err := proto.UnmarshalJSONEnum(FieldDescriptorProto_Type_value, data, "FieldDescriptorProto_Type")
 	if err != nil {
@@ -109,8 +114,9 @@
 	*x = FieldDescriptorProto_Type(value)
 	return nil
 }
+
 func (FieldDescriptorProto_Type) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{4, 0}
+	return fileDescriptor_308767df5ffe18af, []int{4, 0}
 }
 
 type FieldDescriptorProto_Label int32
@@ -127,6 +133,7 @@
 	2: "LABEL_REQUIRED",
 	3: "LABEL_REPEATED",
 }
+
 var FieldDescriptorProto_Label_value = map[string]int32{
 	"LABEL_OPTIONAL": 1,
 	"LABEL_REQUIRED": 2,
@@ -138,9 +145,11 @@
 	*p = x
 	return p
 }
+
 func (x FieldDescriptorProto_Label) String() string {
 	return proto.EnumName(FieldDescriptorProto_Label_name, int32(x))
 }
+
 func (x *FieldDescriptorProto_Label) UnmarshalJSON(data []byte) error {
 	value, err := proto.UnmarshalJSONEnum(FieldDescriptorProto_Label_value, data, "FieldDescriptorProto_Label")
 	if err != nil {
@@ -149,8 +158,9 @@
 	*x = FieldDescriptorProto_Label(value)
 	return nil
 }
+
 func (FieldDescriptorProto_Label) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{4, 1}
+	return fileDescriptor_308767df5ffe18af, []int{4, 1}
 }
 
 // Generated classes can be optimized for speed or code size.
@@ -168,6 +178,7 @@
 	2: "CODE_SIZE",
 	3: "LITE_RUNTIME",
 }
+
 var FileOptions_OptimizeMode_value = map[string]int32{
 	"SPEED":        1,
 	"CODE_SIZE":    2,
@@ -179,9 +190,11 @@
 	*p = x
 	return p
 }
+
 func (x FileOptions_OptimizeMode) String() string {
 	return proto.EnumName(FileOptions_OptimizeMode_name, int32(x))
 }
+
 func (x *FileOptions_OptimizeMode) UnmarshalJSON(data []byte) error {
 	value, err := proto.UnmarshalJSONEnum(FileOptions_OptimizeMode_value, data, "FileOptions_OptimizeMode")
 	if err != nil {
@@ -190,8 +203,9 @@
 	*x = FileOptions_OptimizeMode(value)
 	return nil
 }
+
 func (FileOptions_OptimizeMode) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{10, 0}
+	return fileDescriptor_308767df5ffe18af, []int{10, 0}
 }
 
 type FieldOptions_CType int32
@@ -208,6 +222,7 @@
 	1: "CORD",
 	2: "STRING_PIECE",
 }
+
 var FieldOptions_CType_value = map[string]int32{
 	"STRING":       0,
 	"CORD":         1,
@@ -219,9 +234,11 @@
 	*p = x
 	return p
 }
+
 func (x FieldOptions_CType) String() string {
 	return proto.EnumName(FieldOptions_CType_name, int32(x))
 }
+
 func (x *FieldOptions_CType) UnmarshalJSON(data []byte) error {
 	value, err := proto.UnmarshalJSONEnum(FieldOptions_CType_value, data, "FieldOptions_CType")
 	if err != nil {
@@ -230,8 +247,9 @@
 	*x = FieldOptions_CType(value)
 	return nil
 }
+
 func (FieldOptions_CType) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{12, 0}
+	return fileDescriptor_308767df5ffe18af, []int{12, 0}
 }
 
 type FieldOptions_JSType int32
@@ -250,6 +268,7 @@
 	1: "JS_STRING",
 	2: "JS_NUMBER",
 }
+
 var FieldOptions_JSType_value = map[string]int32{
 	"JS_NORMAL": 0,
 	"JS_STRING": 1,
@@ -261,9 +280,11 @@
 	*p = x
 	return p
 }
+
 func (x FieldOptions_JSType) String() string {
 	return proto.EnumName(FieldOptions_JSType_name, int32(x))
 }
+
 func (x *FieldOptions_JSType) UnmarshalJSON(data []byte) error {
 	value, err := proto.UnmarshalJSONEnum(FieldOptions_JSType_value, data, "FieldOptions_JSType")
 	if err != nil {
@@ -272,8 +293,9 @@
 	*x = FieldOptions_JSType(value)
 	return nil
 }
+
 func (FieldOptions_JSType) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{12, 1}
+	return fileDescriptor_308767df5ffe18af, []int{12, 1}
 }
 
 // Is this method side-effect-free (or safe in HTTP parlance), or idempotent,
@@ -292,6 +314,7 @@
 	1: "NO_SIDE_EFFECTS",
 	2: "IDEMPOTENT",
 }
+
 var MethodOptions_IdempotencyLevel_value = map[string]int32{
 	"IDEMPOTENCY_UNKNOWN": 0,
 	"NO_SIDE_EFFECTS":     1,
@@ -303,9 +326,11 @@
 	*p = x
 	return p
 }
+
 func (x MethodOptions_IdempotencyLevel) String() string {
 	return proto.EnumName(MethodOptions_IdempotencyLevel_name, int32(x))
 }
+
 func (x *MethodOptions_IdempotencyLevel) UnmarshalJSON(data []byte) error {
 	value, err := proto.UnmarshalJSONEnum(MethodOptions_IdempotencyLevel_value, data, "MethodOptions_IdempotencyLevel")
 	if err != nil {
@@ -314,8 +339,9 @@
 	*x = MethodOptions_IdempotencyLevel(value)
 	return nil
 }
+
 func (MethodOptions_IdempotencyLevel) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{17, 0}
+	return fileDescriptor_308767df5ffe18af, []int{17, 0}
 }
 
 // The protocol compiler can output a FileDescriptorSet containing the .proto
@@ -331,7 +357,7 @@
 func (m *FileDescriptorSet) String() string { return proto.CompactTextString(m) }
 func (*FileDescriptorSet) ProtoMessage()    {}
 func (*FileDescriptorSet) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{0}
+	return fileDescriptor_308767df5ffe18af, []int{0}
 }
 func (m *FileDescriptorSet) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_FileDescriptorSet.Unmarshal(m, b)
@@ -339,8 +365,8 @@
 func (m *FileDescriptorSet) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_FileDescriptorSet.Marshal(b, m, deterministic)
 }
-func (dst *FileDescriptorSet) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_FileDescriptorSet.Merge(dst, src)
+func (m *FileDescriptorSet) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_FileDescriptorSet.Merge(m, src)
 }
 func (m *FileDescriptorSet) XXX_Size() int {
 	return xxx_messageInfo_FileDescriptorSet.Size(m)
@@ -392,7 +418,7 @@
 func (m *FileDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*FileDescriptorProto) ProtoMessage()    {}
 func (*FileDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{1}
+	return fileDescriptor_308767df5ffe18af, []int{1}
 }
 func (m *FileDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_FileDescriptorProto.Unmarshal(m, b)
@@ -400,8 +426,8 @@
 func (m *FileDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_FileDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *FileDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_FileDescriptorProto.Merge(dst, src)
+func (m *FileDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_FileDescriptorProto.Merge(m, src)
 }
 func (m *FileDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_FileDescriptorProto.Size(m)
@@ -519,7 +545,7 @@
 func (m *DescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*DescriptorProto) ProtoMessage()    {}
 func (*DescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{2}
+	return fileDescriptor_308767df5ffe18af, []int{2}
 }
 func (m *DescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_DescriptorProto.Unmarshal(m, b)
@@ -527,8 +553,8 @@
 func (m *DescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_DescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *DescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DescriptorProto.Merge(dst, src)
+func (m *DescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DescriptorProto.Merge(m, src)
 }
 func (m *DescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_DescriptorProto.Size(m)
@@ -622,7 +648,7 @@
 func (m *DescriptorProto_ExtensionRange) String() string { return proto.CompactTextString(m) }
 func (*DescriptorProto_ExtensionRange) ProtoMessage()    {}
 func (*DescriptorProto_ExtensionRange) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{2, 0}
+	return fileDescriptor_308767df5ffe18af, []int{2, 0}
 }
 func (m *DescriptorProto_ExtensionRange) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_DescriptorProto_ExtensionRange.Unmarshal(m, b)
@@ -630,8 +656,8 @@
 func (m *DescriptorProto_ExtensionRange) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_DescriptorProto_ExtensionRange.Marshal(b, m, deterministic)
 }
-func (dst *DescriptorProto_ExtensionRange) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DescriptorProto_ExtensionRange.Merge(dst, src)
+func (m *DescriptorProto_ExtensionRange) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DescriptorProto_ExtensionRange.Merge(m, src)
 }
 func (m *DescriptorProto_ExtensionRange) XXX_Size() int {
 	return xxx_messageInfo_DescriptorProto_ExtensionRange.Size(m)
@@ -678,7 +704,7 @@
 func (m *DescriptorProto_ReservedRange) String() string { return proto.CompactTextString(m) }
 func (*DescriptorProto_ReservedRange) ProtoMessage()    {}
 func (*DescriptorProto_ReservedRange) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{2, 1}
+	return fileDescriptor_308767df5ffe18af, []int{2, 1}
 }
 func (m *DescriptorProto_ReservedRange) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_DescriptorProto_ReservedRange.Unmarshal(m, b)
@@ -686,8 +712,8 @@
 func (m *DescriptorProto_ReservedRange) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_DescriptorProto_ReservedRange.Marshal(b, m, deterministic)
 }
-func (dst *DescriptorProto_ReservedRange) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DescriptorProto_ReservedRange.Merge(dst, src)
+func (m *DescriptorProto_ReservedRange) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DescriptorProto_ReservedRange.Merge(m, src)
 }
 func (m *DescriptorProto_ReservedRange) XXX_Size() int {
 	return xxx_messageInfo_DescriptorProto_ReservedRange.Size(m)
@@ -725,7 +751,7 @@
 func (m *ExtensionRangeOptions) String() string { return proto.CompactTextString(m) }
 func (*ExtensionRangeOptions) ProtoMessage()    {}
 func (*ExtensionRangeOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{3}
+	return fileDescriptor_308767df5ffe18af, []int{3}
 }
 
 var extRange_ExtensionRangeOptions = []proto.ExtensionRange{
@@ -735,14 +761,15 @@
 func (*ExtensionRangeOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_ExtensionRangeOptions
 }
+
 func (m *ExtensionRangeOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ExtensionRangeOptions.Unmarshal(m, b)
 }
 func (m *ExtensionRangeOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ExtensionRangeOptions.Marshal(b, m, deterministic)
 }
-func (dst *ExtensionRangeOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ExtensionRangeOptions.Merge(dst, src)
+func (m *ExtensionRangeOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ExtensionRangeOptions.Merge(m, src)
 }
 func (m *ExtensionRangeOptions) XXX_Size() int {
 	return xxx_messageInfo_ExtensionRangeOptions.Size(m)
@@ -801,7 +828,7 @@
 func (m *FieldDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*FieldDescriptorProto) ProtoMessage()    {}
 func (*FieldDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{4}
+	return fileDescriptor_308767df5ffe18af, []int{4}
 }
 func (m *FieldDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_FieldDescriptorProto.Unmarshal(m, b)
@@ -809,8 +836,8 @@
 func (m *FieldDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_FieldDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *FieldDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_FieldDescriptorProto.Merge(dst, src)
+func (m *FieldDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_FieldDescriptorProto.Merge(m, src)
 }
 func (m *FieldDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_FieldDescriptorProto.Size(m)
@@ -904,7 +931,7 @@
 func (m *OneofDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*OneofDescriptorProto) ProtoMessage()    {}
 func (*OneofDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{5}
+	return fileDescriptor_308767df5ffe18af, []int{5}
 }
 func (m *OneofDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_OneofDescriptorProto.Unmarshal(m, b)
@@ -912,8 +939,8 @@
 func (m *OneofDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_OneofDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *OneofDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_OneofDescriptorProto.Merge(dst, src)
+func (m *OneofDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_OneofDescriptorProto.Merge(m, src)
 }
 func (m *OneofDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_OneofDescriptorProto.Size(m)
@@ -959,7 +986,7 @@
 func (m *EnumDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*EnumDescriptorProto) ProtoMessage()    {}
 func (*EnumDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{6}
+	return fileDescriptor_308767df5ffe18af, []int{6}
 }
 func (m *EnumDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_EnumDescriptorProto.Unmarshal(m, b)
@@ -967,8 +994,8 @@
 func (m *EnumDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_EnumDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *EnumDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_EnumDescriptorProto.Merge(dst, src)
+func (m *EnumDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EnumDescriptorProto.Merge(m, src)
 }
 func (m *EnumDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_EnumDescriptorProto.Size(m)
@@ -1032,7 +1059,7 @@
 func (m *EnumDescriptorProto_EnumReservedRange) String() string { return proto.CompactTextString(m) }
 func (*EnumDescriptorProto_EnumReservedRange) ProtoMessage()    {}
 func (*EnumDescriptorProto_EnumReservedRange) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{6, 0}
+	return fileDescriptor_308767df5ffe18af, []int{6, 0}
 }
 func (m *EnumDescriptorProto_EnumReservedRange) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Unmarshal(m, b)
@@ -1040,8 +1067,8 @@
 func (m *EnumDescriptorProto_EnumReservedRange) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Marshal(b, m, deterministic)
 }
-func (dst *EnumDescriptorProto_EnumReservedRange) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Merge(dst, src)
+func (m *EnumDescriptorProto_EnumReservedRange) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Merge(m, src)
 }
 func (m *EnumDescriptorProto_EnumReservedRange) XXX_Size() int {
 	return xxx_messageInfo_EnumDescriptorProto_EnumReservedRange.Size(m)
@@ -1080,7 +1107,7 @@
 func (m *EnumValueDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*EnumValueDescriptorProto) ProtoMessage()    {}
 func (*EnumValueDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{7}
+	return fileDescriptor_308767df5ffe18af, []int{7}
 }
 func (m *EnumValueDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_EnumValueDescriptorProto.Unmarshal(m, b)
@@ -1088,8 +1115,8 @@
 func (m *EnumValueDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_EnumValueDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *EnumValueDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_EnumValueDescriptorProto.Merge(dst, src)
+func (m *EnumValueDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EnumValueDescriptorProto.Merge(m, src)
 }
 func (m *EnumValueDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_EnumValueDescriptorProto.Size(m)
@@ -1135,7 +1162,7 @@
 func (m *ServiceDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*ServiceDescriptorProto) ProtoMessage()    {}
 func (*ServiceDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{8}
+	return fileDescriptor_308767df5ffe18af, []int{8}
 }
 func (m *ServiceDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ServiceDescriptorProto.Unmarshal(m, b)
@@ -1143,8 +1170,8 @@
 func (m *ServiceDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ServiceDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *ServiceDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ServiceDescriptorProto.Merge(dst, src)
+func (m *ServiceDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ServiceDescriptorProto.Merge(m, src)
 }
 func (m *ServiceDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_ServiceDescriptorProto.Size(m)
@@ -1197,7 +1224,7 @@
 func (m *MethodDescriptorProto) String() string { return proto.CompactTextString(m) }
 func (*MethodDescriptorProto) ProtoMessage()    {}
 func (*MethodDescriptorProto) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{9}
+	return fileDescriptor_308767df5ffe18af, []int{9}
 }
 func (m *MethodDescriptorProto) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_MethodDescriptorProto.Unmarshal(m, b)
@@ -1205,8 +1232,8 @@
 func (m *MethodDescriptorProto) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_MethodDescriptorProto.Marshal(b, m, deterministic)
 }
-func (dst *MethodDescriptorProto) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MethodDescriptorProto.Merge(dst, src)
+func (m *MethodDescriptorProto) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MethodDescriptorProto.Merge(m, src)
 }
 func (m *MethodDescriptorProto) XXX_Size() int {
 	return xxx_messageInfo_MethodDescriptorProto.Size(m)
@@ -1336,6 +1363,14 @@
 	// is empty. When this option is empty, the package name will be used for
 	// determining the namespace.
 	PhpNamespace *string `protobuf:"bytes,41,opt,name=php_namespace,json=phpNamespace" json:"php_namespace,omitempty"`
+	// Use this option to change the namespace of php generated metadata classes.
+	// Default is empty. When this option is empty, the proto file name will be used
+	// for determining the namespace.
+	PhpMetadataNamespace *string `protobuf:"bytes,44,opt,name=php_metadata_namespace,json=phpMetadataNamespace" json:"php_metadata_namespace,omitempty"`
+	// Use this option to change the package of ruby generated classes. Default
+	// is empty. When this option is not set, the package name will be used for
+	// determining the ruby package.
+	RubyPackage *string `protobuf:"bytes,45,opt,name=ruby_package,json=rubyPackage" json:"ruby_package,omitempty"`
 	// The parser stores options it doesn't recognize here.
 	// See the documentation for the "Options" section above.
 	UninterpretedOption          []*UninterpretedOption `protobuf:"bytes,999,rep,name=uninterpreted_option,json=uninterpretedOption" json:"uninterpreted_option,omitempty"`
@@ -1349,7 +1384,7 @@
 func (m *FileOptions) String() string { return proto.CompactTextString(m) }
 func (*FileOptions) ProtoMessage()    {}
 func (*FileOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{10}
+	return fileDescriptor_308767df5ffe18af, []int{10}
 }
 
 var extRange_FileOptions = []proto.ExtensionRange{
@@ -1359,14 +1394,15 @@
 func (*FileOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_FileOptions
 }
+
 func (m *FileOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_FileOptions.Unmarshal(m, b)
 }
 func (m *FileOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_FileOptions.Marshal(b, m, deterministic)
 }
-func (dst *FileOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_FileOptions.Merge(dst, src)
+func (m *FileOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_FileOptions.Merge(m, src)
 }
 func (m *FileOptions) XXX_Size() int {
 	return xxx_messageInfo_FileOptions.Size(m)
@@ -1514,6 +1550,20 @@
 	return ""
 }
 
+func (m *FileOptions) GetPhpMetadataNamespace() string {
+	if m != nil && m.PhpMetadataNamespace != nil {
+		return *m.PhpMetadataNamespace
+	}
+	return ""
+}
+
+func (m *FileOptions) GetRubyPackage() string {
+	if m != nil && m.RubyPackage != nil {
+		return *m.RubyPackage
+	}
+	return ""
+}
+
 func (m *FileOptions) GetUninterpretedOption() []*UninterpretedOption {
 	if m != nil {
 		return m.UninterpretedOption
@@ -1584,7 +1634,7 @@
 func (m *MessageOptions) String() string { return proto.CompactTextString(m) }
 func (*MessageOptions) ProtoMessage()    {}
 func (*MessageOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{11}
+	return fileDescriptor_308767df5ffe18af, []int{11}
 }
 
 var extRange_MessageOptions = []proto.ExtensionRange{
@@ -1594,14 +1644,15 @@
 func (*MessageOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_MessageOptions
 }
+
 func (m *MessageOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_MessageOptions.Unmarshal(m, b)
 }
 func (m *MessageOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_MessageOptions.Marshal(b, m, deterministic)
 }
-func (dst *MessageOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MessageOptions.Merge(dst, src)
+func (m *MessageOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MessageOptions.Merge(m, src)
 }
 func (m *MessageOptions) XXX_Size() int {
 	return xxx_messageInfo_MessageOptions.Size(m)
@@ -1723,7 +1774,7 @@
 func (m *FieldOptions) String() string { return proto.CompactTextString(m) }
 func (*FieldOptions) ProtoMessage()    {}
 func (*FieldOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{12}
+	return fileDescriptor_308767df5ffe18af, []int{12}
 }
 
 var extRange_FieldOptions = []proto.ExtensionRange{
@@ -1733,14 +1784,15 @@
 func (*FieldOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_FieldOptions
 }
+
 func (m *FieldOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_FieldOptions.Unmarshal(m, b)
 }
 func (m *FieldOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_FieldOptions.Marshal(b, m, deterministic)
 }
-func (dst *FieldOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_FieldOptions.Merge(dst, src)
+func (m *FieldOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_FieldOptions.Merge(m, src)
 }
 func (m *FieldOptions) XXX_Size() int {
 	return xxx_messageInfo_FieldOptions.Size(m)
@@ -1819,7 +1871,7 @@
 func (m *OneofOptions) String() string { return proto.CompactTextString(m) }
 func (*OneofOptions) ProtoMessage()    {}
 func (*OneofOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{13}
+	return fileDescriptor_308767df5ffe18af, []int{13}
 }
 
 var extRange_OneofOptions = []proto.ExtensionRange{
@@ -1829,14 +1881,15 @@
 func (*OneofOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_OneofOptions
 }
+
 func (m *OneofOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_OneofOptions.Unmarshal(m, b)
 }
 func (m *OneofOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_OneofOptions.Marshal(b, m, deterministic)
 }
-func (dst *OneofOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_OneofOptions.Merge(dst, src)
+func (m *OneofOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_OneofOptions.Merge(m, src)
 }
 func (m *OneofOptions) XXX_Size() int {
 	return xxx_messageInfo_OneofOptions.Size(m)
@@ -1875,7 +1928,7 @@
 func (m *EnumOptions) String() string { return proto.CompactTextString(m) }
 func (*EnumOptions) ProtoMessage()    {}
 func (*EnumOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{14}
+	return fileDescriptor_308767df5ffe18af, []int{14}
 }
 
 var extRange_EnumOptions = []proto.ExtensionRange{
@@ -1885,14 +1938,15 @@
 func (*EnumOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_EnumOptions
 }
+
 func (m *EnumOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_EnumOptions.Unmarshal(m, b)
 }
 func (m *EnumOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_EnumOptions.Marshal(b, m, deterministic)
 }
-func (dst *EnumOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_EnumOptions.Merge(dst, src)
+func (m *EnumOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EnumOptions.Merge(m, src)
 }
 func (m *EnumOptions) XXX_Size() int {
 	return xxx_messageInfo_EnumOptions.Size(m)
@@ -1944,7 +1998,7 @@
 func (m *EnumValueOptions) String() string { return proto.CompactTextString(m) }
 func (*EnumValueOptions) ProtoMessage()    {}
 func (*EnumValueOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{15}
+	return fileDescriptor_308767df5ffe18af, []int{15}
 }
 
 var extRange_EnumValueOptions = []proto.ExtensionRange{
@@ -1954,14 +2008,15 @@
 func (*EnumValueOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_EnumValueOptions
 }
+
 func (m *EnumValueOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_EnumValueOptions.Unmarshal(m, b)
 }
 func (m *EnumValueOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_EnumValueOptions.Marshal(b, m, deterministic)
 }
-func (dst *EnumValueOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_EnumValueOptions.Merge(dst, src)
+func (m *EnumValueOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_EnumValueOptions.Merge(m, src)
 }
 func (m *EnumValueOptions) XXX_Size() int {
 	return xxx_messageInfo_EnumValueOptions.Size(m)
@@ -2006,7 +2061,7 @@
 func (m *ServiceOptions) String() string { return proto.CompactTextString(m) }
 func (*ServiceOptions) ProtoMessage()    {}
 func (*ServiceOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{16}
+	return fileDescriptor_308767df5ffe18af, []int{16}
 }
 
 var extRange_ServiceOptions = []proto.ExtensionRange{
@@ -2016,14 +2071,15 @@
 func (*ServiceOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_ServiceOptions
 }
+
 func (m *ServiceOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_ServiceOptions.Unmarshal(m, b)
 }
 func (m *ServiceOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_ServiceOptions.Marshal(b, m, deterministic)
 }
-func (dst *ServiceOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ServiceOptions.Merge(dst, src)
+func (m *ServiceOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ServiceOptions.Merge(m, src)
 }
 func (m *ServiceOptions) XXX_Size() int {
 	return xxx_messageInfo_ServiceOptions.Size(m)
@@ -2069,7 +2125,7 @@
 func (m *MethodOptions) String() string { return proto.CompactTextString(m) }
 func (*MethodOptions) ProtoMessage()    {}
 func (*MethodOptions) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{17}
+	return fileDescriptor_308767df5ffe18af, []int{17}
 }
 
 var extRange_MethodOptions = []proto.ExtensionRange{
@@ -2079,14 +2135,15 @@
 func (*MethodOptions) ExtensionRangeArray() []proto.ExtensionRange {
 	return extRange_MethodOptions
 }
+
 func (m *MethodOptions) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_MethodOptions.Unmarshal(m, b)
 }
 func (m *MethodOptions) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_MethodOptions.Marshal(b, m, deterministic)
 }
-func (dst *MethodOptions) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_MethodOptions.Merge(dst, src)
+func (m *MethodOptions) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_MethodOptions.Merge(m, src)
 }
 func (m *MethodOptions) XXX_Size() int {
 	return xxx_messageInfo_MethodOptions.Size(m)
@@ -2146,7 +2203,7 @@
 func (m *UninterpretedOption) String() string { return proto.CompactTextString(m) }
 func (*UninterpretedOption) ProtoMessage()    {}
 func (*UninterpretedOption) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{18}
+	return fileDescriptor_308767df5ffe18af, []int{18}
 }
 func (m *UninterpretedOption) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_UninterpretedOption.Unmarshal(m, b)
@@ -2154,8 +2211,8 @@
 func (m *UninterpretedOption) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_UninterpretedOption.Marshal(b, m, deterministic)
 }
-func (dst *UninterpretedOption) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_UninterpretedOption.Merge(dst, src)
+func (m *UninterpretedOption) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_UninterpretedOption.Merge(m, src)
 }
 func (m *UninterpretedOption) XXX_Size() int {
 	return xxx_messageInfo_UninterpretedOption.Size(m)
@@ -2232,7 +2289,7 @@
 func (m *UninterpretedOption_NamePart) String() string { return proto.CompactTextString(m) }
 func (*UninterpretedOption_NamePart) ProtoMessage()    {}
 func (*UninterpretedOption_NamePart) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{18, 0}
+	return fileDescriptor_308767df5ffe18af, []int{18, 0}
 }
 func (m *UninterpretedOption_NamePart) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_UninterpretedOption_NamePart.Unmarshal(m, b)
@@ -2240,8 +2297,8 @@
 func (m *UninterpretedOption_NamePart) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_UninterpretedOption_NamePart.Marshal(b, m, deterministic)
 }
-func (dst *UninterpretedOption_NamePart) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_UninterpretedOption_NamePart.Merge(dst, src)
+func (m *UninterpretedOption_NamePart) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_UninterpretedOption_NamePart.Merge(m, src)
 }
 func (m *UninterpretedOption_NamePart) XXX_Size() int {
 	return xxx_messageInfo_UninterpretedOption_NamePart.Size(m)
@@ -2322,7 +2379,7 @@
 func (m *SourceCodeInfo) String() string { return proto.CompactTextString(m) }
 func (*SourceCodeInfo) ProtoMessage()    {}
 func (*SourceCodeInfo) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{19}
+	return fileDescriptor_308767df5ffe18af, []int{19}
 }
 func (m *SourceCodeInfo) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_SourceCodeInfo.Unmarshal(m, b)
@@ -2330,8 +2387,8 @@
 func (m *SourceCodeInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_SourceCodeInfo.Marshal(b, m, deterministic)
 }
-func (dst *SourceCodeInfo) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SourceCodeInfo.Merge(dst, src)
+func (m *SourceCodeInfo) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_SourceCodeInfo.Merge(m, src)
 }
 func (m *SourceCodeInfo) XXX_Size() int {
 	return xxx_messageInfo_SourceCodeInfo.Size(m)
@@ -2439,7 +2496,7 @@
 func (m *SourceCodeInfo_Location) String() string { return proto.CompactTextString(m) }
 func (*SourceCodeInfo_Location) ProtoMessage()    {}
 func (*SourceCodeInfo_Location) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{19, 0}
+	return fileDescriptor_308767df5ffe18af, []int{19, 0}
 }
 func (m *SourceCodeInfo_Location) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_SourceCodeInfo_Location.Unmarshal(m, b)
@@ -2447,8 +2504,8 @@
 func (m *SourceCodeInfo_Location) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_SourceCodeInfo_Location.Marshal(b, m, deterministic)
 }
-func (dst *SourceCodeInfo_Location) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_SourceCodeInfo_Location.Merge(dst, src)
+func (m *SourceCodeInfo_Location) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_SourceCodeInfo_Location.Merge(m, src)
 }
 func (m *SourceCodeInfo_Location) XXX_Size() int {
 	return xxx_messageInfo_SourceCodeInfo_Location.Size(m)
@@ -2510,7 +2567,7 @@
 func (m *GeneratedCodeInfo) String() string { return proto.CompactTextString(m) }
 func (*GeneratedCodeInfo) ProtoMessage()    {}
 func (*GeneratedCodeInfo) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{20}
+	return fileDescriptor_308767df5ffe18af, []int{20}
 }
 func (m *GeneratedCodeInfo) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_GeneratedCodeInfo.Unmarshal(m, b)
@@ -2518,8 +2575,8 @@
 func (m *GeneratedCodeInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_GeneratedCodeInfo.Marshal(b, m, deterministic)
 }
-func (dst *GeneratedCodeInfo) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_GeneratedCodeInfo.Merge(dst, src)
+func (m *GeneratedCodeInfo) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GeneratedCodeInfo.Merge(m, src)
 }
 func (m *GeneratedCodeInfo) XXX_Size() int {
 	return xxx_messageInfo_GeneratedCodeInfo.Size(m)
@@ -2559,7 +2616,7 @@
 func (m *GeneratedCodeInfo_Annotation) String() string { return proto.CompactTextString(m) }
 func (*GeneratedCodeInfo_Annotation) ProtoMessage()    {}
 func (*GeneratedCodeInfo_Annotation) Descriptor() ([]byte, []int) {
-	return fileDescriptor_descriptor_9588782fb9cbecd6, []int{20, 0}
+	return fileDescriptor_308767df5ffe18af, []int{20, 0}
 }
 func (m *GeneratedCodeInfo_Annotation) XXX_Unmarshal(b []byte) error {
 	return xxx_messageInfo_GeneratedCodeInfo_Annotation.Unmarshal(m, b)
@@ -2567,8 +2624,8 @@
 func (m *GeneratedCodeInfo_Annotation) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	return xxx_messageInfo_GeneratedCodeInfo_Annotation.Marshal(b, m, deterministic)
 }
-func (dst *GeneratedCodeInfo_Annotation) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_GeneratedCodeInfo_Annotation.Merge(dst, src)
+func (m *GeneratedCodeInfo_Annotation) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GeneratedCodeInfo_Annotation.Merge(m, src)
 }
 func (m *GeneratedCodeInfo_Annotation) XXX_Size() int {
 	return xxx_messageInfo_GeneratedCodeInfo_Annotation.Size(m)
@@ -2608,6 +2665,12 @@
 }
 
 func init() {
+	proto.RegisterEnum("google.protobuf.FieldDescriptorProto_Type", FieldDescriptorProto_Type_name, FieldDescriptorProto_Type_value)
+	proto.RegisterEnum("google.protobuf.FieldDescriptorProto_Label", FieldDescriptorProto_Label_name, FieldDescriptorProto_Label_value)
+	proto.RegisterEnum("google.protobuf.FileOptions_OptimizeMode", FileOptions_OptimizeMode_name, FileOptions_OptimizeMode_value)
+	proto.RegisterEnum("google.protobuf.FieldOptions_CType", FieldOptions_CType_name, FieldOptions_CType_value)
+	proto.RegisterEnum("google.protobuf.FieldOptions_JSType", FieldOptions_JSType_name, FieldOptions_JSType_value)
+	proto.RegisterEnum("google.protobuf.MethodOptions_IdempotencyLevel", MethodOptions_IdempotencyLevel_name, MethodOptions_IdempotencyLevel_value)
 	proto.RegisterType((*FileDescriptorSet)(nil), "google.protobuf.FileDescriptorSet")
 	proto.RegisterType((*FileDescriptorProto)(nil), "google.protobuf.FileDescriptorProto")
 	proto.RegisterType((*DescriptorProto)(nil), "google.protobuf.DescriptorProto")
@@ -2635,172 +2698,168 @@
 	proto.RegisterType((*SourceCodeInfo_Location)(nil), "google.protobuf.SourceCodeInfo.Location")
 	proto.RegisterType((*GeneratedCodeInfo)(nil), "google.protobuf.GeneratedCodeInfo")
 	proto.RegisterType((*GeneratedCodeInfo_Annotation)(nil), "google.protobuf.GeneratedCodeInfo.Annotation")
-	proto.RegisterEnum("google.protobuf.FieldDescriptorProto_Type", FieldDescriptorProto_Type_name, FieldDescriptorProto_Type_value)
-	proto.RegisterEnum("google.protobuf.FieldDescriptorProto_Label", FieldDescriptorProto_Label_name, FieldDescriptorProto_Label_value)
-	proto.RegisterEnum("google.protobuf.FileOptions_OptimizeMode", FileOptions_OptimizeMode_name, FileOptions_OptimizeMode_value)
-	proto.RegisterEnum("google.protobuf.FieldOptions_CType", FieldOptions_CType_name, FieldOptions_CType_value)
-	proto.RegisterEnum("google.protobuf.FieldOptions_JSType", FieldOptions_JSType_name, FieldOptions_JSType_value)
-	proto.RegisterEnum("google.protobuf.MethodOptions_IdempotencyLevel", MethodOptions_IdempotencyLevel_name, MethodOptions_IdempotencyLevel_value)
 }
 
-func init() { proto.RegisterFile("descriptor.proto", fileDescriptor_descriptor_9588782fb9cbecd6) }
+func init() { proto.RegisterFile("descriptor.proto", fileDescriptor_308767df5ffe18af) }
 
-var fileDescriptor_descriptor_9588782fb9cbecd6 = []byte{
-	// 2487 bytes of a gzipped FileDescriptorProto
+var fileDescriptor_308767df5ffe18af = []byte{
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+	0xce, 0x43, 0xda, 0xc0, 0xcf, 0x4f, 0xe3, 0x67, 0x1c, 0x13, 0x9d, 0x35, 0xf1, 0xe7, 0x21, 0xfd,
+	0x94, 0xe0, 0xc7, 0xf1, 0x93, 0x85, 0x89, 0x5e, 0x23, 0xf5, 0xaf, 0x43, 0x86, 0xe5, 0x0b, 0x01,
+	0xf8, 0x19, 0x13, 0xde, 0x42, 0x39, 0x48, 0xd7, 0x3a, 0x32, 0xa5, 0xbf, 0x00, 0x45, 0x2e, 0x55,
+	0xba, 0x0d, 0xa9, 0x26, 0x09, 0xc9, 0xf2, 0x2d, 0xc8, 0xf2, 0x24, 0xd0, 0xad, 0x11, 0xa6, 0x41,
+	0x78, 0xcb, 0x1f, 0xfa, 0x3e, 0x12, 0x81, 0xf6, 0xb8, 0x75, 0x28, 0xc9, 0x42, 0x32, 0xfa, 0x79,
+	0x5d, 0x28, 0x46, 0x1b, 0xee, 0x37, 0xc3, 0xa9, 0xbf, 0x24, 0xa0, 0x10, 0x69, 0xa0, 0x69, 0xe7,
+	0x83, 0x0d, 0xc3, 0x7a, 0xaa, 0x60, 0x43, 0xc7, 0xae, 0x4f, 0x0a, 0x60, 0xa2, 0x2a, 0x95, 0x9c,
+	0xf5, 0xa3, 0xbd, 0x91, 0xe0, 0x7f, 0x9f, 0x00, 0x61, 0xb6, 0x77, 0x9d, 0x09, 0x30, 0xf1, 0xbd,
+	0x06, 0xf8, 0xbb, 0x04, 0x94, 0xe2, 0x0d, 0xeb, 0x4c, 0x78, 0x17, 0xbf, 0xd7, 0xf0, 0xfe, 0x99,
+	0x84, 0xd5, 0x58, 0x9b, 0x7a, 0xd6, 0xe8, 0xbe, 0x86, 0x75, 0x5d, 0x23, 0x63, 0xdb, 0xf2, 0x88,
+	0xa9, 0x9e, 0x2a, 0x06, 0x79, 0x42, 0x0c, 0xb1, 0xcc, 0x0a, 0xc5, 0xf5, 0x97, 0x37, 0xc2, 0x95,
+	0xc6, 0xd4, 0xae, 0x49, 0xcd, 0x0e, 0x36, 0x1a, 0x75, 0xa9, 0xd5, 0xed, 0xf4, 0xa5, 0x76, 0xed,
+	0xa1, 0x72, 0xdc, 0xfe, 0x71, 0xbb, 0xf3, 0x65, 0x5b, 0x16, 0xf4, 0x19, 0xd8, 0x6b, 0xdc, 0xea,
+	0x5d, 0x10, 0x66, 0x83, 0x42, 0xe7, 0x60, 0x51, 0x58, 0xc2, 0x5b, 0x68, 0x03, 0xd6, 0xda, 0x1d,
+	0xa5, 0xd7, 0xa8, 0x4b, 0x8a, 0x74, 0xef, 0x9e, 0x54, 0xeb, 0xf7, 0xf8, 0xd3, 0x46, 0x88, 0xee,
+	0xc7, 0x37, 0xf5, 0x6f, 0x53, 0xb0, 0xb1, 0x20, 0x12, 0x54, 0xf5, 0x2f, 0x25, 0xfc, 0x9e, 0xf4,
+	0xc9, 0x59, 0xa2, 0xaf, 0xd0, 0xae, 0xa0, 0x8b, 0x1d, 0xcf, 0xbf, 0xc3, 0x5c, 0x01, 0x9a, 0x25,
+	0xd3, 0xd3, 0x07, 0x3a, 0x71, 0xfc, 0x97, 0x20, 0x7e, 0x53, 0x59, 0x9b, 0xca, 0xf9, 0x63, 0xd0,
+	0xc7, 0x80, 0x6c, 0xcb, 0xd5, 0x3d, 0xfd, 0x09, 0x51, 0x74, 0x33, 0x78, 0x36, 0xa2, 0x37, 0x97,
+	0xb4, 0x2c, 0x04, 0x9a, 0x86, 0xe9, 0x85, 0x68, 0x93, 0x0c, 0xf1, 0x0c, 0x9a, 0x16, 0xf0, 0x94,
+	0x2c, 0x04, 0x9a, 0x10, 0x7d, 0x11, 0x8a, 0x9a, 0x35, 0xa1, 0xed, 0x1c, 0xc7, 0xd1, 0xf3, 0x22,
+	0x21, 0x17, 0xb8, 0x2c, 0x84, 0xf8, 0x8d, 0xfa, 0xf4, 0xbd, 0xaa, 0x28, 0x17, 0xb8, 0x8c, 0x43,
+	0x2e, 0xc3, 0x1a, 0x1e, 0x0e, 0x1d, 0xea, 0x3c, 0x70, 0xc4, 0xaf, 0x1e, 0xa5, 0x50, 0xcc, 0x80,
+	0xdb, 0xf7, 0x21, 0x17, 0xe4, 0x81, 0x1e, 0xc9, 0x34, 0x13, 0x8a, 0xcd, 0xef, 0xd3, 0xc9, 0xdd,
+	0xbc, 0x9c, 0x33, 0x03, 0xe5, 0x45, 0x28, 0xea, 0xae, 0x32, 0x7d, 0x7e, 0x4f, 0xee, 0x24, 0x77,
+	0x73, 0x72, 0x41, 0x77, 0xc3, 0xa7, 0xcb, 0xf2, 0x37, 0x49, 0x28, 0xc5, 0x7f, 0x3e, 0x40, 0x75,
+	0xc8, 0x19, 0x96, 0x8a, 0x19, 0xb5, 0xf8, 0x6f, 0x57, 0xbb, 0xaf, 0xf8, 0xc5, 0xa1, 0xd2, 0xf4,
+	0xf1, 0x72, 0x68, 0xb9, 0xfd, 0xb7, 0x04, 0xe4, 0x02, 0x31, 0xda, 0x82, 0xb4, 0x8d, 0xbd, 0x11,
+	0x73, 0x97, 0x39, 0x4c, 0x0a, 0x09, 0x99, 0x8d, 0xa9, 0xdc, 0xb5, 0xb1, 0xc9, 0x28, 0xe0, 0xcb,
+	0xe9, 0x98, 0x7e, 0x57, 0x83, 0x60, 0x8d, 0xdd, 0x6b, 0xac, 0xf1, 0x98, 0x98, 0x9e, 0x1b, 0x7c,
+	0x57, 0x5f, 0x5e, 0xf3, 0xc5, 0xe8, 0x1a, 0xac, 0x7b, 0x0e, 0xd6, 0x8d, 0x18, 0x36, 0xcd, 0xb0,
+	0x42, 0xa0, 0x08, 0xc1, 0x07, 0x70, 0x3e, 0xf0, 0xab, 0x11, 0x0f, 0xab, 0x23, 0xa2, 0x4d, 0x8d,
+	0xb2, 0xec, 0xfd, 0xe2, 0x9c, 0x0f, 0xa8, 0xfb, 0xfa, 0xc0, 0xb6, 0xfc, 0xf7, 0x04, 0xac, 0x07,
+	0x37, 0x31, 0x2d, 0x4c, 0x56, 0x0b, 0x00, 0x9b, 0xa6, 0xe5, 0x45, 0xd3, 0x35, 0x4f, 0xe5, 0x39,
+	0xbb, 0x4a, 0x35, 0x34, 0x92, 0x23, 0x0e, 0xb6, 0xc7, 0x00, 0x53, 0xcd, 0xd2, 0xb4, 0x5d, 0x80,
+	0x82, 0xff, 0xdb, 0x10, 0xfb, 0x81, 0x91, 0xdf, 0xdd, 0x81, 0x8b, 0xe8, 0x95, 0x0d, 0x6d, 0x42,
+	0xe6, 0x84, 0x0c, 0x75, 0xd3, 0x7f, 0xf1, 0xe5, 0x83, 0xe0, 0x85, 0x25, 0x1d, 0xbe, 0xb0, 0x1c,
+	0xfe, 0x0c, 0x36, 0x54, 0x6b, 0x3c, 0x1b, 0xee, 0xa1, 0x30, 0xf3, 0x7e, 0xe0, 0x7e, 0x91, 0xf8,
+	0x0a, 0xa6, 0x2d, 0xe6, 0xff, 0x12, 0x89, 0x3f, 0x24, 0x53, 0x47, 0xdd, 0xc3, 0x3f, 0x26, 0xb7,
+	0x8f, 0xb8, 0x69, 0x37, 0x58, 0xa9, 0x4c, 0x06, 0x06, 0x51, 0x69, 0xf4, 0xff, 0x0f, 0x00, 0x00,
+	0xff, 0xff, 0x88, 0x17, 0xc1, 0xbe, 0x38, 0x1d, 0x00, 0x00,
 }
diff --git a/vendor/github.com/gogo/protobuf/protoc-gen-gogo/descriptor/descriptor_gostring.gen.go b/vendor/github.com/gogo/protobuf/protoc-gen-gogo/descriptor/descriptor_gostring.gen.go
index ec6eb16..165b211 100644
--- a/vendor/github.com/gogo/protobuf/protoc-gen-gogo/descriptor/descriptor_gostring.gen.go
+++ b/vendor/github.com/gogo/protobuf/protoc-gen-gogo/descriptor/descriptor_gostring.gen.go
@@ -3,14 +3,16 @@
 
 package descriptor
 
-import fmt "fmt"
-import strings "strings"
-import github_com_gogo_protobuf_proto "github.com/gogo/protobuf/proto"
-import sort "sort"
-import strconv "strconv"
-import reflect "reflect"
-import proto "github.com/gogo/protobuf/proto"
-import math "math"
+import (
+	fmt "fmt"
+	github_com_gogo_protobuf_proto "github.com/gogo/protobuf/proto"
+	proto "github.com/gogo/protobuf/proto"
+	math "math"
+	reflect "reflect"
+	sort "sort"
+	strconv "strconv"
+	strings "strings"
+)
 
 // Reference imports to suppress errors if they are not otherwise used.
 var _ = proto.Marshal
@@ -358,7 +360,7 @@
 	if this == nil {
 		return "nil"
 	}
-	s := make([]string, 0, 23)
+	s := make([]string, 0, 25)
 	s = append(s, "&descriptor.FileOptions{")
 	if this.JavaPackage != nil {
 		s = append(s, "JavaPackage: "+valueToGoStringDescriptor(this.JavaPackage, "string")+",\n")
@@ -414,6 +416,12 @@
 	if this.PhpNamespace != nil {
 		s = append(s, "PhpNamespace: "+valueToGoStringDescriptor(this.PhpNamespace, "string")+",\n")
 	}
+	if this.PhpMetadataNamespace != nil {
+		s = append(s, "PhpMetadataNamespace: "+valueToGoStringDescriptor(this.PhpMetadataNamespace, "string")+",\n")
+	}
+	if this.RubyPackage != nil {
+		s = append(s, "RubyPackage: "+valueToGoStringDescriptor(this.RubyPackage, "string")+",\n")
+	}
 	if this.UninterpretedOption != nil {
 		s = append(s, "UninterpretedOption: "+fmt.Sprintf("%#v", this.UninterpretedOption)+",\n")
 	}
diff --git a/vendor/github.com/golang/snappy/go.mod b/vendor/github.com/golang/snappy/go.mod
new file mode 100644
index 0000000..f6406bb
--- /dev/null
+++ b/vendor/github.com/golang/snappy/go.mod
@@ -0,0 +1 @@
+module github.com/golang/snappy
diff --git a/vendor/github.com/gregjones/httpcache/.travis.yml b/vendor/github.com/gregjones/httpcache/.travis.yml
index b5ffbe0..597bc99 100644
--- a/vendor/github.com/gregjones/httpcache/.travis.yml
+++ b/vendor/github.com/gregjones/httpcache/.travis.yml
@@ -1,19 +1,18 @@
 sudo: false
 language: go
-go:
-  - 1.6.x
-  - 1.7.x
-  - 1.8.x
-  - 1.9.x
-  - master
 matrix:
   allow_failures:
     - go: master
   fast_finish: true
+  include:
+    - go: 1.10.x
+    - go: 1.11.x
+      env: GOFMT=1
+    - go: master
 install:
   - # Do nothing. This is needed to prevent default install action "go get -t -v ./..." from happening here (we want it to happen inside script step).
 script:
   - go get -t -v ./...
-  - diff -u <(echo -n) <(gofmt -d .)
+  - if test -n "${GOFMT}"; then gofmt -w -s . && git diff --exit-code; fi
   - go tool vet .
   - go test -v -race ./...
diff --git a/vendor/github.com/gregjones/httpcache/httpcache.go b/vendor/github.com/gregjones/httpcache/httpcache.go
index f6a2ec4..b41a63d 100644
--- a/vendor/github.com/gregjones/httpcache/httpcache.go
+++ b/vendor/github.com/gregjones/httpcache/httpcache.go
@@ -416,14 +416,14 @@
 func getEndToEndHeaders(respHeaders http.Header) []string {
 	// These headers are always hop-by-hop
 	hopByHopHeaders := map[string]struct{}{
-		"Connection":          struct{}{},
-		"Keep-Alive":          struct{}{},
-		"Proxy-Authenticate":  struct{}{},
-		"Proxy-Authorization": struct{}{},
-		"Te":                struct{}{},
-		"Trailers":          struct{}{},
-		"Transfer-Encoding": struct{}{},
-		"Upgrade":           struct{}{},
+		"Connection":          {},
+		"Keep-Alive":          {},
+		"Proxy-Authenticate":  {},
+		"Proxy-Authorization": {},
+		"Te":                  {},
+		"Trailers":            {},
+		"Transfer-Encoding":   {},
+		"Upgrade":             {},
 	}
 
 	for _, extra := range strings.Split(respHeaders.Get("connection"), ",") {
@@ -433,7 +433,7 @@
 		}
 	}
 	endToEndHeaders := []string{}
-	for respHeader, _ := range respHeaders {
+	for respHeader := range respHeaders {
 		if _, ok := hopByHopHeaders[respHeader]; !ok {
 			endToEndHeaders = append(endToEndHeaders, respHeader)
 		}
diff --git a/vendor/github.com/hashicorp/consul/api/agent.go b/vendor/github.com/hashicorp/consul/api/agent.go
index 8e5ffde..6a3fb27 100644
--- a/vendor/github.com/hashicorp/consul/api/agent.go
+++ b/vendor/github.com/hashicorp/consul/api/agent.go
@@ -3,6 +3,8 @@
 import (
 	"bufio"
 	"fmt"
+	"net/http"
+	"net/url"
 )
 
 // ServiceKind is the kind of service being registered.
@@ -89,6 +91,13 @@
 	Connect          *AgentServiceConnect            `json:",omitempty"`
 }
 
+// AgentServiceChecksInfo returns information about a Service and its checks
+type AgentServiceChecksInfo struct {
+	AggregatedStatus string
+	Service          *AgentService
+	Checks           HealthChecks
+}
+
 // AgentServiceConnect represents the Connect configuration of a service.
 type AgentServiceConnect struct {
 	Native         bool                      `json:",omitempty"`
@@ -407,6 +416,73 @@
 	return out, nil
 }
 
+// AgentHealthServiceByID returns for a given serviceID: the aggregated health status, the service definition or an error if any
+// - If the service is not found, will return status (critical, nil, nil)
+// - If the service is found, will return (critical|passing|warning), AgentServiceChecksInfo, nil)
+// - In all other cases, will return an error
+func (a *Agent) AgentHealthServiceByID(serviceID string) (string, *AgentServiceChecksInfo, error) {
+	path := fmt.Sprintf("/v1/agent/health/service/id/%v", url.PathEscape(serviceID))
+	r := a.c.newRequest("GET", path)
+	r.params.Add("format", "json")
+	r.header.Set("Accept", "application/json")
+	_, resp, err := a.c.doRequest(r)
+	if err != nil {
+		return "", nil, err
+	}
+	defer resp.Body.Close()
+	// Service not Found
+	if resp.StatusCode == http.StatusNotFound {
+		return HealthCritical, nil, nil
+	}
+	var out *AgentServiceChecksInfo
+	if err := decodeBody(resp, &out); err != nil {
+		return HealthCritical, out, err
+	}
+	switch resp.StatusCode {
+	case http.StatusOK:
+		return HealthPassing, out, nil
+	case http.StatusTooManyRequests:
+		return HealthWarning, out, nil
+	case http.StatusServiceUnavailable:
+		return HealthCritical, out, nil
+	}
+	return HealthCritical, out, fmt.Errorf("Unexpected Error Code %v for %s", resp.StatusCode, path)
+}
+
+// AgentHealthServiceByName returns for a given service name: the aggregated health status for all services
+// having the specified name.
+// - If no service is not found, will return status (critical, [], nil)
+// - If the service is found, will return (critical|passing|warning), []api.AgentServiceChecksInfo, nil)
+// - In all other cases, will return an error
+func (a *Agent) AgentHealthServiceByName(service string) (string, []AgentServiceChecksInfo, error) {
+	path := fmt.Sprintf("/v1/agent/health/service/name/%v", url.PathEscape(service))
+	r := a.c.newRequest("GET", path)
+	r.params.Add("format", "json")
+	r.header.Set("Accept", "application/json")
+	_, resp, err := a.c.doRequest(r)
+	if err != nil {
+		return "", nil, err
+	}
+	defer resp.Body.Close()
+	// Service not Found
+	if resp.StatusCode == http.StatusNotFound {
+		return HealthCritical, nil, nil
+	}
+	var out []AgentServiceChecksInfo
+	if err := decodeBody(resp, &out); err != nil {
+		return HealthCritical, out, err
+	}
+	switch resp.StatusCode {
+	case http.StatusOK:
+		return HealthPassing, out, nil
+	case http.StatusTooManyRequests:
+		return HealthWarning, out, nil
+	case http.StatusServiceUnavailable:
+		return HealthCritical, out, nil
+	}
+	return HealthCritical, out, fmt.Errorf("Unexpected Error Code %v for %s", resp.StatusCode, path)
+}
+
 // Service returns a locally registered service instance and allows for
 // hash-based blocking.
 //
diff --git a/vendor/github.com/hashicorp/consul/api/api.go b/vendor/github.com/hashicorp/consul/api/api.go
index cf8bad2..b913fa3 100644
--- a/vendor/github.com/hashicorp/consul/api/api.go
+++ b/vendor/github.com/hashicorp/consul/api/api.go
@@ -773,7 +773,7 @@
 func (c *Client) query(endpoint string, out interface{}, q *QueryOptions) (*QueryMeta, error) {
 	r := c.newRequest("GET", endpoint)
 	r.setQueryOptions(q)
-	rtt, resp, err := requireOK(c.doRequest(r))
+	rtt, resp, err := c.doRequest(r)
 	if err != nil {
 		return nil, err
 	}
diff --git a/vendor/github.com/hashicorp/consul/api/connect_ca.go b/vendor/github.com/hashicorp/consul/api/connect_ca.go
index a863d21..600a3e0 100644
--- a/vendor/github.com/hashicorp/consul/api/connect_ca.go
+++ b/vendor/github.com/hashicorp/consul/api/connect_ca.go
@@ -23,7 +23,10 @@
 
 // CommonCAProviderConfig is the common options available to all CA providers.
 type CommonCAProviderConfig struct {
-	LeafCertTTL time.Duration
+	LeafCertTTL      time.Duration
+	SkipValidate     bool
+	CSRMaxPerSecond  float32
+	CSRMaxConcurrent int
 }
 
 // ConsulCAProviderConfig is the config for the built-in Consul CA provider.
@@ -41,7 +44,6 @@
 	var config ConsulCAProviderConfig
 	decodeConf := &mapstructure.DecoderConfig{
 		DecodeHook:       mapstructure.StringToTimeDurationHookFunc(),
-		ErrorUnused:      true,
 		Result:           &config,
 		WeaklyTypedInput: true,
 	}
diff --git a/vendor/github.com/hashicorp/consul/api/health.go b/vendor/github.com/hashicorp/consul/api/health.go
index eae6a01..9faf6b6 100644
--- a/vendor/github.com/hashicorp/consul/api/health.go
+++ b/vendor/github.com/hashicorp/consul/api/health.go
@@ -1,8 +1,10 @@
 package api
 
 import (
+	"encoding/json"
 	"fmt"
 	"strings"
+	"time"
 )
 
 const (
@@ -36,21 +38,99 @@
 	ServiceTags []string
 
 	Definition HealthCheckDefinition
+
+	CreateIndex uint64
+	ModifyIndex uint64
 }
 
 // HealthCheckDefinition is used to store the details about
 // a health check's execution.
 type HealthCheckDefinition struct {
-	HTTP                           string
-	Header                         map[string][]string
-	Method                         string
-	TLSSkipVerify                  bool
-	TCP                            string
+	HTTP                                   string
+	Header                                 map[string][]string
+	Method                                 string
+	TLSSkipVerify                          bool
+	TCP                                    string
+	IntervalDuration                       time.Duration `json:"-"`
+	TimeoutDuration                        time.Duration `json:"-"`
+	DeregisterCriticalServiceAfterDuration time.Duration `json:"-"`
+
+	// DEPRECATED in Consul 1.4.1. Use the above time.Duration fields instead.
 	Interval                       ReadableDuration
 	Timeout                        ReadableDuration
 	DeregisterCriticalServiceAfter ReadableDuration
 }
 
+func (d *HealthCheckDefinition) MarshalJSON() ([]byte, error) {
+	type Alias HealthCheckDefinition
+	out := &struct {
+		Interval                       string
+		Timeout                        string
+		DeregisterCriticalServiceAfter string
+		*Alias
+	}{
+		Interval:                       d.Interval.String(),
+		Timeout:                        d.Timeout.String(),
+		DeregisterCriticalServiceAfter: d.DeregisterCriticalServiceAfter.String(),
+		Alias:                          (*Alias)(d),
+	}
+
+	if d.IntervalDuration != 0 {
+		out.Interval = d.IntervalDuration.String()
+	} else if d.Interval != 0 {
+		out.Interval = d.Interval.String()
+	}
+	if d.TimeoutDuration != 0 {
+		out.Timeout = d.TimeoutDuration.String()
+	} else if d.Timeout != 0 {
+		out.Timeout = d.Timeout.String()
+	}
+	if d.DeregisterCriticalServiceAfterDuration != 0 {
+		out.DeregisterCriticalServiceAfter = d.DeregisterCriticalServiceAfterDuration.String()
+	} else if d.DeregisterCriticalServiceAfter != 0 {
+		out.DeregisterCriticalServiceAfter = d.DeregisterCriticalServiceAfter.String()
+	}
+
+	return json.Marshal(out)
+}
+
+func (d *HealthCheckDefinition) UnmarshalJSON(data []byte) error {
+	type Alias HealthCheckDefinition
+	aux := &struct {
+		Interval                       string
+		Timeout                        string
+		DeregisterCriticalServiceAfter string
+		*Alias
+	}{
+		Alias: (*Alias)(d),
+	}
+	if err := json.Unmarshal(data, &aux); err != nil {
+		return err
+	}
+
+	// Parse the values into both the time.Duration and old ReadableDuration fields.
+	var err error
+	if aux.Interval != "" {
+		if d.IntervalDuration, err = time.ParseDuration(aux.Interval); err != nil {
+			return err
+		}
+		d.Interval = ReadableDuration(d.IntervalDuration)
+	}
+	if aux.Timeout != "" {
+		if d.TimeoutDuration, err = time.ParseDuration(aux.Timeout); err != nil {
+			return err
+		}
+		d.Timeout = ReadableDuration(d.TimeoutDuration)
+	}
+	if aux.DeregisterCriticalServiceAfter != "" {
+		if d.DeregisterCriticalServiceAfterDuration, err = time.ParseDuration(aux.DeregisterCriticalServiceAfter); err != nil {
+			return err
+		}
+		d.DeregisterCriticalServiceAfter = ReadableDuration(d.DeregisterCriticalServiceAfterDuration)
+	}
+	return nil
+}
+
 // HealthChecks is a collection of HealthCheck structs.
 type HealthChecks []*HealthCheck
 
diff --git a/vendor/github.com/hashicorp/consul/api/kv.go b/vendor/github.com/hashicorp/consul/api/kv.go
index 97f5156..bd45a06 100644
--- a/vendor/github.com/hashicorp/consul/api/kv.go
+++ b/vendor/github.com/hashicorp/consul/api/kv.go
@@ -45,44 +45,6 @@
 // KVPairs is a list of KVPair objects
 type KVPairs []*KVPair
 
-// KVOp constants give possible operations available in a KVTxn.
-type KVOp string
-
-const (
-	KVSet            KVOp = "set"
-	KVDelete         KVOp = "delete"
-	KVDeleteCAS      KVOp = "delete-cas"
-	KVDeleteTree     KVOp = "delete-tree"
-	KVCAS            KVOp = "cas"
-	KVLock           KVOp = "lock"
-	KVUnlock         KVOp = "unlock"
-	KVGet            KVOp = "get"
-	KVGetTree        KVOp = "get-tree"
-	KVCheckSession   KVOp = "check-session"
-	KVCheckIndex     KVOp = "check-index"
-	KVCheckNotExists KVOp = "check-not-exists"
-)
-
-// KVTxnOp defines a single operation inside a transaction.
-type KVTxnOp struct {
-	Verb    KVOp
-	Key     string
-	Value   []byte
-	Flags   uint64
-	Index   uint64
-	Session string
-}
-
-// KVTxnOps defines a set of operations to be performed inside a single
-// transaction.
-type KVTxnOps []*KVTxnOp
-
-// KVTxnResponse has the outcome of a transaction.
-type KVTxnResponse struct {
-	Results []*KVPair
-	Errors  TxnErrors
-}
-
 // KV is used to manipulate the K/V API
 type KV struct {
 	c *Client
@@ -300,121 +262,25 @@
 	return res, qm, nil
 }
 
-// TxnOp is the internal format we send to Consul. It's not specific to KV,
-// though currently only KV operations are supported.
-type TxnOp struct {
-	KV *KVTxnOp
-}
-
-// TxnOps is a list of transaction operations.
-type TxnOps []*TxnOp
-
-// TxnResult is the internal format we receive from Consul.
-type TxnResult struct {
-	KV *KVPair
-}
-
-// TxnResults is a list of TxnResult objects.
-type TxnResults []*TxnResult
-
-// TxnError is used to return information about an operation in a transaction.
-type TxnError struct {
-	OpIndex int
-	What    string
-}
-
-// TxnErrors is a list of TxnError objects.
-type TxnErrors []*TxnError
-
-// TxnResponse is the internal format we receive from Consul.
-type TxnResponse struct {
-	Results TxnResults
-	Errors  TxnErrors
-}
-
-// Txn is used to apply multiple KV operations in a single, atomic transaction.
-//
-// Note that Go will perform the required base64 encoding on the values
-// automatically because the type is a byte slice. Transactions are defined as a
-// list of operations to perform, using the KVOp constants and KVTxnOp structure
-// to define operations. If any operation fails, none of the changes are applied
-// to the state store. Note that this hides the internal raw transaction interface
-// and munges the input and output types into KV-specific ones for ease of use.
-// If there are more non-KV operations in the future we may break out a new
-// transaction API client, but it will be easy to keep this KV-specific variant
-// supported.
-//
-// Even though this is generally a write operation, we take a QueryOptions input
-// and return a QueryMeta output. If the transaction contains only read ops, then
-// Consul will fast-path it to a different endpoint internally which supports
-// consistency controls, but not blocking. If there are write operations then
-// the request will always be routed through raft and any consistency settings
-// will be ignored.
-//
-// Here's an example:
-//
-//	   ops := KVTxnOps{
-//		   &KVTxnOp{
-//			   Verb:    KVLock,
-//			   Key:     "test/lock",
-//			   Session: "adf4238a-882b-9ddc-4a9d-5b6758e4159e",
-//			   Value:   []byte("hello"),
-//		   },
-//		   &KVTxnOp{
-//			   Verb:    KVGet,
-//			   Key:     "another/key",
-//		   },
-//	   }
-//	   ok, response, _, err := kv.Txn(&ops, nil)
-//
-// If there is a problem making the transaction request then an error will be
-// returned. Otherwise, the ok value will be true if the transaction succeeded
-// or false if it was rolled back. The response is a structured return value which
-// will have the outcome of the transaction. Its Results member will have entries
-// for each operation. Deleted keys will have a nil entry in the, and to save
-// space, the Value of each key in the Results will be nil unless the operation
-// is a KVGet. If the transaction was rolled back, the Errors member will have
-// entries referencing the index of the operation that failed along with an error
-// message.
+// The Txn function has been deprecated from the KV object; please see the Txn
+// object for more information about Transactions.
 func (k *KV) Txn(txn KVTxnOps, q *QueryOptions) (bool, *KVTxnResponse, *QueryMeta, error) {
-	r := k.c.newRequest("PUT", "/v1/txn")
-	r.setQueryOptions(q)
-
-	// Convert into the internal format since this is an all-KV txn.
-	ops := make(TxnOps, 0, len(txn))
-	for _, kvOp := range txn {
-		ops = append(ops, &TxnOp{KV: kvOp})
+	var ops TxnOps
+	for _, op := range txn {
+		ops = append(ops, &TxnOp{KV: op})
 	}
-	r.obj = ops
-	rtt, resp, err := k.c.doRequest(r)
+
+	respOk, txnResp, qm, err := k.c.txn(ops, q)
 	if err != nil {
 		return false, nil, nil, err
 	}
-	defer resp.Body.Close()
 
-	qm := &QueryMeta{}
-	parseQueryMeta(resp, qm)
-	qm.RequestTime = rtt
-
-	if resp.StatusCode == http.StatusOK || resp.StatusCode == http.StatusConflict {
-		var txnResp TxnResponse
-		if err := decodeBody(resp, &txnResp); err != nil {
-			return false, nil, nil, err
-		}
-
-		// Convert from the internal format.
-		kvResp := KVTxnResponse{
-			Errors: txnResp.Errors,
-		}
-		for _, result := range txnResp.Results {
-			kvResp.Results = append(kvResp.Results, result.KV)
-		}
-		return resp.StatusCode == http.StatusOK, &kvResp, qm, nil
+	// Convert from the internal format.
+	kvResp := KVTxnResponse{
+		Errors: txnResp.Errors,
 	}
-
-	var buf bytes.Buffer
-	if _, err := io.Copy(&buf, resp.Body); err != nil {
-		return false, nil, nil, fmt.Errorf("Failed to read response: %v", err)
+	for _, result := range txnResp.Results {
+		kvResp.Results = append(kvResp.Results, result.KV)
 	}
-	return false, nil, nil, fmt.Errorf("Failed request: %s", buf.String())
+	return respOk, &kvResp, qm, nil
 }
diff --git a/vendor/github.com/hashicorp/consul/api/operator_keyring.go b/vendor/github.com/hashicorp/consul/api/operator_keyring.go
index 6b61429..038d5d5 100644
--- a/vendor/github.com/hashicorp/consul/api/operator_keyring.go
+++ b/vendor/github.com/hashicorp/consul/api/operator_keyring.go
@@ -16,6 +16,9 @@
 	// Segment has the network segment this request corresponds to.
 	Segment string
 
+	// Messages has information or errors from serf
+	Messages map[string]string `json:",omitempty"`
+
 	// A map of the encryption keys to the number of nodes they're installed on
 	Keys map[string]int
 
diff --git a/vendor/github.com/hashicorp/consul/api/txn.go b/vendor/github.com/hashicorp/consul/api/txn.go
new file mode 100644
index 0000000..65d7a16
--- /dev/null
+++ b/vendor/github.com/hashicorp/consul/api/txn.go
@@ -0,0 +1,230 @@
+package api
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"net/http"
+)
+
+// Txn is used to manipulate the Txn API
+type Txn struct {
+	c *Client
+}
+
+// Txn is used to return a handle to the K/V apis
+func (c *Client) Txn() *Txn {
+	return &Txn{c}
+}
+
+// TxnOp is the internal format we send to Consul. Currently only K/V and
+// check operations are supported.
+type TxnOp struct {
+	KV      *KVTxnOp
+	Node    *NodeTxnOp
+	Service *ServiceTxnOp
+	Check   *CheckTxnOp
+}
+
+// TxnOps is a list of transaction operations.
+type TxnOps []*TxnOp
+
+// TxnResult is the internal format we receive from Consul.
+type TxnResult struct {
+	KV      *KVPair
+	Node    *Node
+	Service *CatalogService
+	Check   *HealthCheck
+}
+
+// TxnResults is a list of TxnResult objects.
+type TxnResults []*TxnResult
+
+// TxnError is used to return information about an operation in a transaction.
+type TxnError struct {
+	OpIndex int
+	What    string
+}
+
+// TxnErrors is a list of TxnError objects.
+type TxnErrors []*TxnError
+
+// TxnResponse is the internal format we receive from Consul.
+type TxnResponse struct {
+	Results TxnResults
+	Errors  TxnErrors
+}
+
+// KVOp constants give possible operations available in a transaction.
+type KVOp string
+
+const (
+	KVSet            KVOp = "set"
+	KVDelete         KVOp = "delete"
+	KVDeleteCAS      KVOp = "delete-cas"
+	KVDeleteTree     KVOp = "delete-tree"
+	KVCAS            KVOp = "cas"
+	KVLock           KVOp = "lock"
+	KVUnlock         KVOp = "unlock"
+	KVGet            KVOp = "get"
+	KVGetTree        KVOp = "get-tree"
+	KVCheckSession   KVOp = "check-session"
+	KVCheckIndex     KVOp = "check-index"
+	KVCheckNotExists KVOp = "check-not-exists"
+)
+
+// KVTxnOp defines a single operation inside a transaction.
+type KVTxnOp struct {
+	Verb    KVOp
+	Key     string
+	Value   []byte
+	Flags   uint64
+	Index   uint64
+	Session string
+}
+
+// KVTxnOps defines a set of operations to be performed inside a single
+// transaction.
+type KVTxnOps []*KVTxnOp
+
+// KVTxnResponse has the outcome of a transaction.
+type KVTxnResponse struct {
+	Results []*KVPair
+	Errors  TxnErrors
+}
+
+// NodeOp constants give possible operations available in a transaction.
+type NodeOp string
+
+const (
+	NodeGet       NodeOp = "get"
+	NodeSet       NodeOp = "set"
+	NodeCAS       NodeOp = "cas"
+	NodeDelete    NodeOp = "delete"
+	NodeDeleteCAS NodeOp = "delete-cas"
+)
+
+// NodeTxnOp defines a single operation inside a transaction.
+type NodeTxnOp struct {
+	Verb NodeOp
+	Node Node
+}
+
+// ServiceOp constants give possible operations available in a transaction.
+type ServiceOp string
+
+const (
+	ServiceGet       ServiceOp = "get"
+	ServiceSet       ServiceOp = "set"
+	ServiceCAS       ServiceOp = "cas"
+	ServiceDelete    ServiceOp = "delete"
+	ServiceDeleteCAS ServiceOp = "delete-cas"
+)
+
+// ServiceTxnOp defines a single operation inside a transaction.
+type ServiceTxnOp struct {
+	Verb    ServiceOp
+	Node    string
+	Service AgentService
+}
+
+// CheckOp constants give possible operations available in a transaction.
+type CheckOp string
+
+const (
+	CheckGet       CheckOp = "get"
+	CheckSet       CheckOp = "set"
+	CheckCAS       CheckOp = "cas"
+	CheckDelete    CheckOp = "delete"
+	CheckDeleteCAS CheckOp = "delete-cas"
+)
+
+// CheckTxnOp defines a single operation inside a transaction.
+type CheckTxnOp struct {
+	Verb  CheckOp
+	Check HealthCheck
+}
+
+// Txn is used to apply multiple Consul operations in a single, atomic transaction.
+//
+// Note that Go will perform the required base64 encoding on the values
+// automatically because the type is a byte slice. Transactions are defined as a
+// list of operations to perform, using the different fields in the TxnOp structure
+// to define operations. If any operation fails, none of the changes are applied
+// to the state store.
+//
+// Even though this is generally a write operation, we take a QueryOptions input
+// and return a QueryMeta output. If the transaction contains only read ops, then
+// Consul will fast-path it to a different endpoint internally which supports
+// consistency controls, but not blocking. If there are write operations then
+// the request will always be routed through raft and any consistency settings
+// will be ignored.
+//
+// Here's an example:
+//
+//	   ops := KVTxnOps{
+//		   &KVTxnOp{
+//			   Verb:    KVLock,
+//			   Key:     "test/lock",
+//			   Session: "adf4238a-882b-9ddc-4a9d-5b6758e4159e",
+//			   Value:   []byte("hello"),
+//		   },
+//		   &KVTxnOp{
+//			   Verb:    KVGet,
+//			   Key:     "another/key",
+//		   },
+//		   &CheckTxnOp{
+//			   Verb:        CheckSet,
+//			   HealthCheck: HealthCheck{
+//				   Node:    "foo",
+//				   CheckID: "redis:a",
+//				   Name:    "Redis Health Check",
+//				   Status:  "passing",
+//			   },
+//		   }
+//	   }
+//	   ok, response, _, err := kv.Txn(&ops, nil)
+//
+// If there is a problem making the transaction request then an error will be
+// returned. Otherwise, the ok value will be true if the transaction succeeded
+// or false if it was rolled back. The response is a structured return value which
+// will have the outcome of the transaction. Its Results member will have entries
+// for each operation. For KV operations, Deleted keys will have a nil entry in the
+// results, and to save space, the Value of each key in the Results will be nil
+// unless the operation is a KVGet. If the transaction was rolled back, the Errors
+// member will have entries referencing the index of the operation that failed
+// along with an error message.
+func (t *Txn) Txn(txn TxnOps, q *QueryOptions) (bool, *TxnResponse, *QueryMeta, error) {
+	return t.c.txn(txn, q)
+}
+
+func (c *Client) txn(txn TxnOps, q *QueryOptions) (bool, *TxnResponse, *QueryMeta, error) {
+	r := c.newRequest("PUT", "/v1/txn")
+	r.setQueryOptions(q)
+
+	r.obj = txn
+	rtt, resp, err := c.doRequest(r)
+	if err != nil {
+		return false, nil, nil, err
+	}
+	defer resp.Body.Close()
+
+	qm := &QueryMeta{}
+	parseQueryMeta(resp, qm)
+	qm.RequestTime = rtt
+
+	if resp.StatusCode == http.StatusOK || resp.StatusCode == http.StatusConflict {
+		var txnResp TxnResponse
+		if err := decodeBody(resp, &txnResp); err != nil {
+			return false, nil, nil, err
+		}
+
+		return resp.StatusCode == http.StatusOK, &txnResp, qm, nil
+	}
+
+	var buf bytes.Buffer
+	if _, err := io.Copy(&buf, resp.Body); err != nil {
+		return false, nil, nil, fmt.Errorf("Failed to read response: %v", err)
+	}
+	return false, nil, nil, fmt.Errorf("Failed request: %s", buf.String())
+}
diff --git a/vendor/github.com/hashicorp/go-cleanhttp/go.mod b/vendor/github.com/hashicorp/go-cleanhttp/go.mod
new file mode 100644
index 0000000..310f075
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-cleanhttp/go.mod
@@ -0,0 +1 @@
+module github.com/hashicorp/go-cleanhttp
diff --git a/vendor/github.com/hashicorp/go-immutable-radix/.gitignore b/vendor/github.com/hashicorp/go-immutable-radix/.gitignore
new file mode 100644
index 0000000..daf913b
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-immutable-radix/.gitignore
@@ -0,0 +1,24 @@
+# Compiled Object files, Static and Dynamic libs (Shared Objects)
+*.o
+*.a
+*.so
+
+# Folders
+_obj
+_test
+
+# Architecture specific extensions/prefixes
+*.[568vq]
+[568vq].out
+
+*.cgo1.go
+*.cgo2.c
+_cgo_defun.c
+_cgo_gotypes.go
+_cgo_export.*
+
+_testmain.go
+
+*.exe
+*.test
+*.prof
diff --git a/vendor/github.com/hashicorp/go-immutable-radix/.travis.yml b/vendor/github.com/hashicorp/go-immutable-radix/.travis.yml
new file mode 100644
index 0000000..1a0bbea
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-immutable-radix/.travis.yml
@@ -0,0 +1,3 @@
+language: go
+go:
+  - tip
diff --git a/vendor/github.com/hashicorp/go-immutable-radix/LICENSE b/vendor/github.com/hashicorp/go-immutable-radix/LICENSE
new file mode 100644
index 0000000..e87a115
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-immutable-radix/LICENSE
@@ -0,0 +1,363 @@
+Mozilla Public License, version 2.0
+
+1. Definitions
+
+1.1. "Contributor"
+
+     means each individual or legal entity that creates, contributes to the
+     creation of, or owns Covered Software.
+
+1.2. "Contributor Version"
+
+     means the combination of the Contributions of others (if any) used by a
+     Contributor and that particular Contributor's Contribution.
+
+1.3. "Contribution"
+
+     means Covered Software of a particular Contributor.
+
+1.4. "Covered Software"
+
+     means Source Code Form to which the initial Contributor has attached the
+     notice in Exhibit A, the Executable Form of such Source Code Form, and
+     Modifications of such Source Code Form, in each case including portions
+     thereof.
+
+1.5. "Incompatible With Secondary Licenses"
+     means
+
+     a. that the initial Contributor has attached the notice described in
+        Exhibit B to the Covered Software; or
+
+     b. that the Covered Software was made available under the terms of
+        version 1.1 or earlier of the License, but not also under the terms of
+        a Secondary License.
+
+1.6. "Executable Form"
+
+     means any form of the work other than Source Code Form.
+
+1.7. "Larger Work"
+
+     means a work that combines Covered Software with other material, in a
+     separate file or files, that is not Covered Software.
+
+1.8. "License"
+
+     means this document.
+
+1.9. "Licensable"
+
+     means having the right to grant, to the maximum extent possible, whether
+     at the time of the initial grant or subsequently, any and all of the
+     rights conveyed by this License.
+
+1.10. "Modifications"
+
+     means any of the following:
+
+     a. any file in Source Code Form that results from an addition to,
+        deletion from, or modification of the contents of Covered Software; or
+
+     b. any new file in Source Code Form that contains any Covered Software.
+
+1.11. "Patent Claims" of a Contributor
+
+      means any patent claim(s), including without limitation, method,
+      process, and apparatus claims, in any patent Licensable by such
+      Contributor that would be infringed, but for the grant of the License,
+      by the making, using, selling, offering for sale, having made, import,
+      or transfer of either its Contributions or its Contributor Version.
+
+1.12. "Secondary License"
+
+      means either the GNU General Public License, Version 2.0, the GNU Lesser
+      General Public License, Version 2.1, the GNU Affero General Public
+      License, Version 3.0, or any later versions of those licenses.
+
+1.13. "Source Code Form"
+
+      means the form of the work preferred for making modifications.
+
+1.14. "You" (or "Your")
+
+      means an individual or a legal entity exercising rights under this
+      License. For legal entities, "You" includes any entity that controls, is
+      controlled by, or is under common control with You. For purposes of this
+      definition, "control" means (a) the power, direct or indirect, to cause
+      the direction or management of such entity, whether by contract or
+      otherwise, or (b) ownership of more than fifty percent (50%) of the
+      outstanding shares or beneficial ownership of such entity.
+
+
+2. License Grants and Conditions
+
+2.1. Grants
+
+     Each Contributor hereby grants You a world-wide, royalty-free,
+     non-exclusive license:
+
+     a. under intellectual property rights (other than patent or trademark)
+        Licensable by such Contributor to use, reproduce, make available,
+        modify, display, perform, distribute, and otherwise exploit its
+        Contributions, either on an unmodified basis, with Modifications, or
+        as part of a Larger Work; and
+
+     b. under Patent Claims of such Contributor to make, use, sell, offer for
+        sale, have made, import, and otherwise transfer either its
+        Contributions or its Contributor Version.
+
+2.2. Effective Date
+
+     The licenses granted in Section 2.1 with respect to any Contribution
+     become effective for each Contribution on the date the Contributor first
+     distributes such Contribution.
+
+2.3. Limitations on Grant Scope
+
+     The licenses granted in this Section 2 are the only rights granted under
+     this License. No additional rights or licenses will be implied from the
+     distribution or licensing of Covered Software under this License.
+     Notwithstanding Section 2.1(b) above, no patent license is granted by a
+     Contributor:
+
+     a. for any code that a Contributor has removed from Covered Software; or
+
+     b. for infringements caused by: (i) Your and any other third party's
+        modifications of Covered Software, or (ii) the combination of its
+        Contributions with other software (except as part of its Contributor
+        Version); or
+
+     c. under Patent Claims infringed by Covered Software in the absence of
+        its Contributions.
+
+     This License does not grant any rights in the trademarks, service marks,
+     or logos of any Contributor (except as may be necessary to comply with
+     the notice requirements in Section 3.4).
+
+2.4. Subsequent Licenses
+
+     No Contributor makes additional grants as a result of Your choice to
+     distribute the Covered Software under a subsequent version of this
+     License (see Section 10.2) or under the terms of a Secondary License (if
+     permitted under the terms of Section 3.3).
+
+2.5. Representation
+
+     Each Contributor represents that the Contributor believes its
+     Contributions are its original creation(s) or it has sufficient rights to
+     grant the rights to its Contributions conveyed by this License.
+
+2.6. Fair Use
+
+     This License is not intended to limit any rights You have under
+     applicable copyright doctrines of fair use, fair dealing, or other
+     equivalents.
+
+2.7. Conditions
+
+     Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted in
+     Section 2.1.
+
+
+3. Responsibilities
+
+3.1. Distribution of Source Form
+
+     All distribution of Covered Software in Source Code Form, including any
+     Modifications that You create or to which You contribute, must be under
+     the terms of this License. You must inform recipients that the Source
+     Code Form of the Covered Software is governed by the terms of this
+     License, and how they can obtain a copy of this License. You may not
+     attempt to alter or restrict the recipients' rights in the Source Code
+     Form.
+
+3.2. Distribution of Executable Form
+
+     If You distribute Covered Software in Executable Form then:
+
+     a. such Covered Software must also be made available in Source Code Form,
+        as described in Section 3.1, and You must inform recipients of the
+        Executable Form how they can obtain a copy of such Source Code Form by
+        reasonable means in a timely manner, at a charge no more than the cost
+        of distribution to the recipient; and
+
+     b. You may distribute such Executable Form under the terms of this
+        License, or sublicense it under different terms, provided that the
+        license for the Executable Form does not attempt to limit or alter the
+        recipients' rights in the Source Code Form under this License.
+
+3.3. Distribution of a Larger Work
+
+     You may create and distribute a Larger Work under terms of Your choice,
+     provided that You also comply with the requirements of this License for
+     the Covered Software. If the Larger Work is a combination of Covered
+     Software with a work governed by one or more Secondary Licenses, and the
+     Covered Software is not Incompatible With Secondary Licenses, this
+     License permits You to additionally distribute such Covered Software
+     under the terms of such Secondary License(s), so that the recipient of
+     the Larger Work may, at their option, further distribute the Covered
+     Software under the terms of either this License or such Secondary
+     License(s).
+
+3.4. Notices
+
+     You may not remove or alter the substance of any license notices
+     (including copyright notices, patent notices, disclaimers of warranty, or
+     limitations of liability) contained within the Source Code Form of the
+     Covered Software, except that You may alter any license notices to the
+     extent required to remedy known factual inaccuracies.
+
+3.5. Application of Additional Terms
+
+     You may choose to offer, and to charge a fee for, warranty, support,
+     indemnity or liability obligations to one or more recipients of Covered
+     Software. However, You may do so only on Your own behalf, and not on
+     behalf of any Contributor. You must make it absolutely clear that any
+     such warranty, support, indemnity, or liability obligation is offered by
+     You alone, and You hereby agree to indemnify every Contributor for any
+     liability incurred by such Contributor as a result of warranty, support,
+     indemnity or liability terms You offer. You may include additional
+     disclaimers of warranty and limitations of liability specific to any
+     jurisdiction.
+
+4. Inability to Comply Due to Statute or Regulation
+
+   If it is impossible for You to comply with any of the terms of this License
+   with respect to some or all of the Covered Software due to statute,
+   judicial order, or regulation then You must: (a) comply with the terms of
+   this License to the maximum extent possible; and (b) describe the
+   limitations and the code they affect. Such description must be placed in a
+   text file included with all distributions of the Covered Software under
+   this License. Except to the extent prohibited by statute or regulation,
+   such description must be sufficiently detailed for a recipient of ordinary
+   skill to be able to understand it.
+
+5. Termination
+
+5.1. The rights granted under this License will terminate automatically if You
+     fail to comply with any of its terms. However, if You become compliant,
+     then the rights granted under this License from a particular Contributor
+     are reinstated (a) provisionally, unless and until such Contributor
+     explicitly and finally terminates Your grants, and (b) on an ongoing
+     basis, if such Contributor fails to notify You of the non-compliance by
+     some reasonable means prior to 60 days after You have come back into
+     compliance. Moreover, Your grants from a particular Contributor are
+     reinstated on an ongoing basis if such Contributor notifies You of the
+     non-compliance by some reasonable means, this is the first time You have
+     received notice of non-compliance with this License from such
+     Contributor, and You become compliant prior to 30 days after Your receipt
+     of the notice.
+
+5.2. If You initiate litigation against any entity by asserting a patent
+     infringement claim (excluding declaratory judgment actions,
+     counter-claims, and cross-claims) alleging that a Contributor Version
+     directly or indirectly infringes any patent, then the rights granted to
+     You by any and all Contributors for the Covered Software under Section
+     2.1 of this License shall terminate.
+
+5.3. In the event of termination under Sections 5.1 or 5.2 above, all end user
+     license agreements (excluding distributors and resellers) which have been
+     validly granted by You or Your distributors under this License prior to
+     termination shall survive termination.
+
+6. Disclaimer of Warranty
+
+   Covered Software is provided under this License on an "as is" basis,
+   without warranty of any kind, either expressed, implied, or statutory,
+   including, without limitation, warranties that the Covered Software is free
+   of defects, merchantable, fit for a particular purpose or non-infringing.
+   The entire risk as to the quality and performance of the Covered Software
+   is with You. Should any Covered Software prove defective in any respect,
+   You (not any Contributor) assume the cost of any necessary servicing,
+   repair, or correction. This disclaimer of warranty constitutes an essential
+   part of this License. No use of  any Covered Software is authorized under
+   this License except under this disclaimer.
+
+7. Limitation of Liability
+
+   Under no circumstances and under no legal theory, whether tort (including
+   negligence), contract, or otherwise, shall any Contributor, or anyone who
+   distributes Covered Software as permitted above, be liable to You for any
+   direct, indirect, special, incidental, or consequential damages of any
+   character including, without limitation, damages for lost profits, loss of
+   goodwill, work stoppage, computer failure or malfunction, or any and all
+   other commercial damages or losses, even if such party shall have been
+   informed of the possibility of such damages. This limitation of liability
+   shall not apply to liability for death or personal injury resulting from
+   such party's negligence to the extent applicable law prohibits such
+   limitation. Some jurisdictions do not allow the exclusion or limitation of
+   incidental or consequential damages, so this exclusion and limitation may
+   not apply to You.
+
+8. Litigation
+
+   Any litigation relating to this License may be brought only in the courts
+   of a jurisdiction where the defendant maintains its principal place of
+   business and such litigation shall be governed by laws of that
+   jurisdiction, without reference to its conflict-of-law provisions. Nothing
+   in this Section shall prevent a party's ability to bring cross-claims or
+   counter-claims.
+
+9. Miscellaneous
+
+   This License represents the complete agreement concerning the subject
+   matter hereof. If any provision of this License is held to be
+   unenforceable, such provision shall be reformed only to the extent
+   necessary to make it enforceable. Any law or regulation which provides that
+   the language of a contract shall be construed against the drafter shall not
+   be used to construe this License against a Contributor.
+
+
+10. Versions of the License
+
+10.1. New Versions
+
+      Mozilla Foundation is the license steward. Except as provided in Section
+      10.3, no one other than the license steward has the right to modify or
+      publish new versions of this License. Each version will be given a
+      distinguishing version number.
+
+10.2. Effect of New Versions
+
+      You may distribute the Covered Software under the terms of the version
+      of the License under which You originally received the Covered Software,
+      or under the terms of any subsequent version published by the license
+      steward.
+
+10.3. Modified Versions
+
+      If you create software not governed by this License, and you want to
+      create a new license for such software, you may create and use a
+      modified version of this License if you rename the license and remove
+      any references to the name of the license steward (except to note that
+      such modified license differs from this License).
+
+10.4. Distributing Source Code Form that is Incompatible With Secondary
+      Licenses If You choose to distribute Source Code Form that is
+      Incompatible With Secondary Licenses under the terms of this version of
+      the License, the notice described in Exhibit B of this License must be
+      attached.
+
+Exhibit A - Source Code Form License Notice
+
+      This Source Code Form is subject to the
+      terms of the Mozilla Public License, v.
+      2.0. If a copy of the MPL was not
+      distributed with this file, You can
+      obtain one at
+      http://mozilla.org/MPL/2.0/.
+
+If it is not possible or desirable to put the notice in a particular file,
+then You may include the notice in a location (such as a LICENSE file in a
+relevant directory) where a recipient would be likely to look for such a
+notice.
+
+You may add additional accurate notices of copyright ownership.
+
+Exhibit B - "Incompatible With Secondary Licenses" Notice
+
+      This Source Code Form is "Incompatible
+      With Secondary Licenses", as defined by
+      the Mozilla Public License, v. 2.0.
+
diff --git a/vendor/github.com/hashicorp/go-immutable-radix/README.md b/vendor/github.com/hashicorp/go-immutable-radix/README.md
new file mode 100644
index 0000000..8910fcc
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-immutable-radix/README.md
@@ -0,0 +1,41 @@
+go-immutable-radix [![Build Status](https://travis-ci.org/hashicorp/go-immutable-radix.png)](https://travis-ci.org/hashicorp/go-immutable-radix)
+=========
+
+Provides the `iradix` package that implements an immutable [radix tree](http://en.wikipedia.org/wiki/Radix_tree).
+The package only provides a single `Tree` implementation, optimized for sparse nodes.
+
+As a radix tree, it provides the following:
+ * O(k) operations. In many cases, this can be faster than a hash table since
+   the hash function is an O(k) operation, and hash tables have very poor cache locality.
+ * Minimum / Maximum value lookups
+ * Ordered iteration
+
+A tree supports using a transaction to batch multiple updates (insert, delete)
+in a more efficient manner than performing each operation one at a time.
+
+For a mutable variant, see [go-radix](https://github.com/armon/go-radix).
+
+Documentation
+=============
+
+The full documentation is available on [Godoc](http://godoc.org/github.com/hashicorp/go-immutable-radix).
+
+Example
+=======
+
+Below is a simple example of usage
+
+```go
+// Create a tree
+r := iradix.New()
+r, _, _ = r.Insert([]byte("foo"), 1)
+r, _, _ = r.Insert([]byte("bar"), 2)
+r, _, _ = r.Insert([]byte("foobar"), 2)
+
+// Find the longest prefix match
+m, _, _ := r.Root().LongestPrefix([]byte("foozip"))
+if string(m) != "foo" {
+    panic("should be foo")
+}
+```
+
diff --git a/vendor/github.com/hashicorp/go-immutable-radix/edges.go b/vendor/github.com/hashicorp/go-immutable-radix/edges.go
new file mode 100644
index 0000000..a636747
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-immutable-radix/edges.go
@@ -0,0 +1,21 @@
+package iradix
+
+import "sort"
+
+type edges []edge
+
+func (e edges) Len() int {
+	return len(e)
+}
+
+func (e edges) Less(i, j int) bool {
+	return e[i].label < e[j].label
+}
+
+func (e edges) Swap(i, j int) {
+	e[i], e[j] = e[j], e[i]
+}
+
+func (e edges) Sort() {
+	sort.Sort(e)
+}
diff --git a/vendor/github.com/hashicorp/go-immutable-radix/go.mod b/vendor/github.com/hashicorp/go-immutable-radix/go.mod
new file mode 100644
index 0000000..27e7b7c
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-immutable-radix/go.mod
@@ -0,0 +1,6 @@
+module github.com/hashicorp/go-immutable-radix
+
+require (
+	github.com/hashicorp/go-uuid v1.0.0
+	github.com/hashicorp/golang-lru v0.5.0
+)
diff --git a/vendor/github.com/hashicorp/go-immutable-radix/go.sum b/vendor/github.com/hashicorp/go-immutable-radix/go.sum
new file mode 100644
index 0000000..7de5dfc
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-immutable-radix/go.sum
@@ -0,0 +1,4 @@
+github.com/hashicorp/go-uuid v1.0.0 h1:RS8zrF7PhGwyNPOtxSClXXj9HA8feRnJzgnI1RJCSnM=
+github.com/hashicorp/go-uuid v1.0.0/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
+github.com/hashicorp/golang-lru v0.5.0 h1:CL2msUPvZTLb5O648aiLNJw3hnBxN2+1Jq8rCOH9wdo=
+github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
diff --git a/vendor/github.com/hashicorp/go-immutable-radix/iradix.go b/vendor/github.com/hashicorp/go-immutable-radix/iradix.go
new file mode 100644
index 0000000..e5e6e57
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-immutable-radix/iradix.go
@@ -0,0 +1,662 @@
+package iradix
+
+import (
+	"bytes"
+	"strings"
+
+	"github.com/hashicorp/golang-lru/simplelru"
+)
+
+const (
+	// defaultModifiedCache is the default size of the modified node
+	// cache used per transaction. This is used to cache the updates
+	// to the nodes near the root, while the leaves do not need to be
+	// cached. This is important for very large transactions to prevent
+	// the modified cache from growing to be enormous. This is also used
+	// to set the max size of the mutation notify maps since those should
+	// also be bounded in a similar way.
+	defaultModifiedCache = 8192
+)
+
+// Tree implements an immutable radix tree. This can be treated as a
+// Dictionary abstract data type. The main advantage over a standard
+// hash map is prefix-based lookups and ordered iteration. The immutability
+// means that it is safe to concurrently read from a Tree without any
+// coordination.
+type Tree struct {
+	root *Node
+	size int
+}
+
+// New returns an empty Tree
+func New() *Tree {
+	t := &Tree{
+		root: &Node{
+			mutateCh: make(chan struct{}),
+		},
+	}
+	return t
+}
+
+// Len is used to return the number of elements in the tree
+func (t *Tree) Len() int {
+	return t.size
+}
+
+// Txn is a transaction on the tree. This transaction is applied
+// atomically and returns a new tree when committed. A transaction
+// is not thread safe, and should only be used by a single goroutine.
+type Txn struct {
+	// root is the modified root for the transaction.
+	root *Node
+
+	// snap is a snapshot of the root node for use if we have to run the
+	// slow notify algorithm.
+	snap *Node
+
+	// size tracks the size of the tree as it is modified during the
+	// transaction.
+	size int
+
+	// writable is a cache of writable nodes that have been created during
+	// the course of the transaction. This allows us to re-use the same
+	// nodes for further writes and avoid unnecessary copies of nodes that
+	// have never been exposed outside the transaction. This will only hold
+	// up to defaultModifiedCache number of entries.
+	writable *simplelru.LRU
+
+	// trackChannels is used to hold channels that need to be notified to
+	// signal mutation of the tree. This will only hold up to
+	// defaultModifiedCache number of entries, after which we will set the
+	// trackOverflow flag, which will cause us to use a more expensive
+	// algorithm to perform the notifications. Mutation tracking is only
+	// performed if trackMutate is true.
+	trackChannels map[chan struct{}]struct{}
+	trackOverflow bool
+	trackMutate   bool
+}
+
+// Txn starts a new transaction that can be used to mutate the tree
+func (t *Tree) Txn() *Txn {
+	txn := &Txn{
+		root: t.root,
+		snap: t.root,
+		size: t.size,
+	}
+	return txn
+}
+
+// TrackMutate can be used to toggle if mutations are tracked. If this is enabled
+// then notifications will be issued for affected internal nodes and leaves when
+// the transaction is committed.
+func (t *Txn) TrackMutate(track bool) {
+	t.trackMutate = track
+}
+
+// trackChannel safely attempts to track the given mutation channel, setting the
+// overflow flag if we can no longer track any more. This limits the amount of
+// state that will accumulate during a transaction and we have a slower algorithm
+// to switch to if we overflow.
+func (t *Txn) trackChannel(ch chan struct{}) {
+	// In overflow, make sure we don't store any more objects.
+	if t.trackOverflow {
+		return
+	}
+
+	// If this would overflow the state we reject it and set the flag (since
+	// we aren't tracking everything that's required any longer).
+	if len(t.trackChannels) >= defaultModifiedCache {
+		// Mark that we are in the overflow state
+		t.trackOverflow = true
+
+		// Clear the map so that the channels can be garbage collected. It is
+		// safe to do this since we have already overflowed and will be using
+		// the slow notify algorithm.
+		t.trackChannels = nil
+		return
+	}
+
+	// Create the map on the fly when we need it.
+	if t.trackChannels == nil {
+		t.trackChannels = make(map[chan struct{}]struct{})
+	}
+
+	// Otherwise we are good to track it.
+	t.trackChannels[ch] = struct{}{}
+}
+
+// writeNode returns a node to be modified, if the current node has already been
+// modified during the course of the transaction, it is used in-place. Set
+// forLeafUpdate to true if you are getting a write node to update the leaf,
+// which will set leaf mutation tracking appropriately as well.
+func (t *Txn) writeNode(n *Node, forLeafUpdate bool) *Node {
+	// Ensure the writable set exists.
+	if t.writable == nil {
+		lru, err := simplelru.NewLRU(defaultModifiedCache, nil)
+		if err != nil {
+			panic(err)
+		}
+		t.writable = lru
+	}
+
+	// If this node has already been modified, we can continue to use it
+	// during this transaction. We know that we don't need to track it for
+	// a node update since the node is writable, but if this is for a leaf
+	// update we track it, in case the initial write to this node didn't
+	// update the leaf.
+	if _, ok := t.writable.Get(n); ok {
+		if t.trackMutate && forLeafUpdate && n.leaf != nil {
+			t.trackChannel(n.leaf.mutateCh)
+		}
+		return n
+	}
+
+	// Mark this node as being mutated.
+	if t.trackMutate {
+		t.trackChannel(n.mutateCh)
+	}
+
+	// Mark its leaf as being mutated, if appropriate.
+	if t.trackMutate && forLeafUpdate && n.leaf != nil {
+		t.trackChannel(n.leaf.mutateCh)
+	}
+
+	// Copy the existing node. If you have set forLeafUpdate it will be
+	// safe to replace this leaf with another after you get your node for
+	// writing. You MUST replace it, because the channel associated with
+	// this leaf will be closed when this transaction is committed.
+	nc := &Node{
+		mutateCh: make(chan struct{}),
+		leaf:     n.leaf,
+	}
+	if n.prefix != nil {
+		nc.prefix = make([]byte, len(n.prefix))
+		copy(nc.prefix, n.prefix)
+	}
+	if len(n.edges) != 0 {
+		nc.edges = make([]edge, len(n.edges))
+		copy(nc.edges, n.edges)
+	}
+
+	// Mark this node as writable.
+	t.writable.Add(nc, nil)
+	return nc
+}
+
+// Visit all the nodes in the tree under n, and add their mutateChannels to the transaction
+// Returns the size of the subtree visited
+func (t *Txn) trackChannelsAndCount(n *Node) int {
+	// Count only leaf nodes
+	leaves := 0
+	if n.leaf != nil {
+		leaves = 1
+	}
+	// Mark this node as being mutated.
+	if t.trackMutate {
+		t.trackChannel(n.mutateCh)
+	}
+
+	// Mark its leaf as being mutated, if appropriate.
+	if t.trackMutate && n.leaf != nil {
+		t.trackChannel(n.leaf.mutateCh)
+	}
+
+	// Recurse on the children
+	for _, e := range n.edges {
+		leaves += t.trackChannelsAndCount(e.node)
+	}
+	return leaves
+}
+
+// mergeChild is called to collapse the given node with its child. This is only
+// called when the given node is not a leaf and has a single edge.
+func (t *Txn) mergeChild(n *Node) {
+	// Mark the child node as being mutated since we are about to abandon
+	// it. We don't need to mark the leaf since we are retaining it if it
+	// is there.
+	e := n.edges[0]
+	child := e.node
+	if t.trackMutate {
+		t.trackChannel(child.mutateCh)
+	}
+
+	// Merge the nodes.
+	n.prefix = concat(n.prefix, child.prefix)
+	n.leaf = child.leaf
+	if len(child.edges) != 0 {
+		n.edges = make([]edge, len(child.edges))
+		copy(n.edges, child.edges)
+	} else {
+		n.edges = nil
+	}
+}
+
+// insert does a recursive insertion
+func (t *Txn) insert(n *Node, k, search []byte, v interface{}) (*Node, interface{}, bool) {
+	// Handle key exhaustion
+	if len(search) == 0 {
+		var oldVal interface{}
+		didUpdate := false
+		if n.isLeaf() {
+			oldVal = n.leaf.val
+			didUpdate = true
+		}
+
+		nc := t.writeNode(n, true)
+		nc.leaf = &leafNode{
+			mutateCh: make(chan struct{}),
+			key:      k,
+			val:      v,
+		}
+		return nc, oldVal, didUpdate
+	}
+
+	// Look for the edge
+	idx, child := n.getEdge(search[0])
+
+	// No edge, create one
+	if child == nil {
+		e := edge{
+			label: search[0],
+			node: &Node{
+				mutateCh: make(chan struct{}),
+				leaf: &leafNode{
+					mutateCh: make(chan struct{}),
+					key:      k,
+					val:      v,
+				},
+				prefix: search,
+			},
+		}
+		nc := t.writeNode(n, false)
+		nc.addEdge(e)
+		return nc, nil, false
+	}
+
+	// Determine longest prefix of the search key on match
+	commonPrefix := longestPrefix(search, child.prefix)
+	if commonPrefix == len(child.prefix) {
+		search = search[commonPrefix:]
+		newChild, oldVal, didUpdate := t.insert(child, k, search, v)
+		if newChild != nil {
+			nc := t.writeNode(n, false)
+			nc.edges[idx].node = newChild
+			return nc, oldVal, didUpdate
+		}
+		return nil, oldVal, didUpdate
+	}
+
+	// Split the node
+	nc := t.writeNode(n, false)
+	splitNode := &Node{
+		mutateCh: make(chan struct{}),
+		prefix:   search[:commonPrefix],
+	}
+	nc.replaceEdge(edge{
+		label: search[0],
+		node:  splitNode,
+	})
+
+	// Restore the existing child node
+	modChild := t.writeNode(child, false)
+	splitNode.addEdge(edge{
+		label: modChild.prefix[commonPrefix],
+		node:  modChild,
+	})
+	modChild.prefix = modChild.prefix[commonPrefix:]
+
+	// Create a new leaf node
+	leaf := &leafNode{
+		mutateCh: make(chan struct{}),
+		key:      k,
+		val:      v,
+	}
+
+	// If the new key is a subset, add to to this node
+	search = search[commonPrefix:]
+	if len(search) == 0 {
+		splitNode.leaf = leaf
+		return nc, nil, false
+	}
+
+	// Create a new edge for the node
+	splitNode.addEdge(edge{
+		label: search[0],
+		node: &Node{
+			mutateCh: make(chan struct{}),
+			leaf:     leaf,
+			prefix:   search,
+		},
+	})
+	return nc, nil, false
+}
+
+// delete does a recursive deletion
+func (t *Txn) delete(parent, n *Node, search []byte) (*Node, *leafNode) {
+	// Check for key exhaustion
+	if len(search) == 0 {
+		if !n.isLeaf() {
+			return nil, nil
+		}
+		// Copy the pointer in case we are in a transaction that already
+		// modified this node since the node will be reused. Any changes
+		// made to the node will not affect returning the original leaf
+		// value.
+		oldLeaf := n.leaf
+
+		// Remove the leaf node
+		nc := t.writeNode(n, true)
+		nc.leaf = nil
+
+		// Check if this node should be merged
+		if n != t.root && len(nc.edges) == 1 {
+			t.mergeChild(nc)
+		}
+		return nc, oldLeaf
+	}
+
+	// Look for an edge
+	label := search[0]
+	idx, child := n.getEdge(label)
+	if child == nil || !bytes.HasPrefix(search, child.prefix) {
+		return nil, nil
+	}
+
+	// Consume the search prefix
+	search = search[len(child.prefix):]
+	newChild, leaf := t.delete(n, child, search)
+	if newChild == nil {
+		return nil, nil
+	}
+
+	// Copy this node. WATCH OUT - it's safe to pass "false" here because we
+	// will only ADD a leaf via nc.mergeChild() if there isn't one due to
+	// the !nc.isLeaf() check in the logic just below. This is pretty subtle,
+	// so be careful if you change any of the logic here.
+	nc := t.writeNode(n, false)
+
+	// Delete the edge if the node has no edges
+	if newChild.leaf == nil && len(newChild.edges) == 0 {
+		nc.delEdge(label)
+		if n != t.root && len(nc.edges) == 1 && !nc.isLeaf() {
+			t.mergeChild(nc)
+		}
+	} else {
+		nc.edges[idx].node = newChild
+	}
+	return nc, leaf
+}
+
+// delete does a recursive deletion
+func (t *Txn) deletePrefix(parent, n *Node, search []byte) (*Node, int) {
+	// Check for key exhaustion
+	if len(search) == 0 {
+		nc := t.writeNode(n, true)
+		if n.isLeaf() {
+			nc.leaf = nil
+		}
+		nc.edges = nil
+		return nc, t.trackChannelsAndCount(n)
+	}
+
+	// Look for an edge
+	label := search[0]
+	idx, child := n.getEdge(label)
+	// We make sure that either the child node's prefix starts with the search term, or the search term starts with the child node's prefix
+	// Need to do both so that we can delete prefixes that don't correspond to any node in the tree
+	if child == nil || (!bytes.HasPrefix(child.prefix, search) && !bytes.HasPrefix(search, child.prefix)) {
+		return nil, 0
+	}
+
+	// Consume the search prefix
+	if len(child.prefix) > len(search) {
+		search = []byte("")
+	} else {
+		search = search[len(child.prefix):]
+	}
+	newChild, numDeletions := t.deletePrefix(n, child, search)
+	if newChild == nil {
+		return nil, 0
+	}
+	// Copy this node. WATCH OUT - it's safe to pass "false" here because we
+	// will only ADD a leaf via nc.mergeChild() if there isn't one due to
+	// the !nc.isLeaf() check in the logic just below. This is pretty subtle,
+	// so be careful if you change any of the logic here.
+
+	nc := t.writeNode(n, false)
+
+	// Delete the edge if the node has no edges
+	if newChild.leaf == nil && len(newChild.edges) == 0 {
+		nc.delEdge(label)
+		if n != t.root && len(nc.edges) == 1 && !nc.isLeaf() {
+			t.mergeChild(nc)
+		}
+	} else {
+		nc.edges[idx].node = newChild
+	}
+	return nc, numDeletions
+}
+
+// Insert is used to add or update a given key. The return provides
+// the previous value and a bool indicating if any was set.
+func (t *Txn) Insert(k []byte, v interface{}) (interface{}, bool) {
+	newRoot, oldVal, didUpdate := t.insert(t.root, k, k, v)
+	if newRoot != nil {
+		t.root = newRoot
+	}
+	if !didUpdate {
+		t.size++
+	}
+	return oldVal, didUpdate
+}
+
+// Delete is used to delete a given key. Returns the old value if any,
+// and a bool indicating if the key was set.
+func (t *Txn) Delete(k []byte) (interface{}, bool) {
+	newRoot, leaf := t.delete(nil, t.root, k)
+	if newRoot != nil {
+		t.root = newRoot
+	}
+	if leaf != nil {
+		t.size--
+		return leaf.val, true
+	}
+	return nil, false
+}
+
+// DeletePrefix is used to delete an entire subtree that matches the prefix
+// This will delete all nodes under that prefix
+func (t *Txn) DeletePrefix(prefix []byte) bool {
+	newRoot, numDeletions := t.deletePrefix(nil, t.root, prefix)
+	if newRoot != nil {
+		t.root = newRoot
+		t.size = t.size - numDeletions
+		return true
+	}
+	return false
+
+}
+
+// Root returns the current root of the radix tree within this
+// transaction. The root is not safe across insert and delete operations,
+// but can be used to read the current state during a transaction.
+func (t *Txn) Root() *Node {
+	return t.root
+}
+
+// Get is used to lookup a specific key, returning
+// the value and if it was found
+func (t *Txn) Get(k []byte) (interface{}, bool) {
+	return t.root.Get(k)
+}
+
+// GetWatch is used to lookup a specific key, returning
+// the watch channel, value and if it was found
+func (t *Txn) GetWatch(k []byte) (<-chan struct{}, interface{}, bool) {
+	return t.root.GetWatch(k)
+}
+
+// Commit is used to finalize the transaction and return a new tree. If mutation
+// tracking is turned on then notifications will also be issued.
+func (t *Txn) Commit() *Tree {
+	nt := t.CommitOnly()
+	if t.trackMutate {
+		t.Notify()
+	}
+	return nt
+}
+
+// CommitOnly is used to finalize the transaction and return a new tree, but
+// does not issue any notifications until Notify is called.
+func (t *Txn) CommitOnly() *Tree {
+	nt := &Tree{t.root, t.size}
+	t.writable = nil
+	return nt
+}
+
+// slowNotify does a complete comparison of the before and after trees in order
+// to trigger notifications. This doesn't require any additional state but it
+// is very expensive to compute.
+func (t *Txn) slowNotify() {
+	snapIter := t.snap.rawIterator()
+	rootIter := t.root.rawIterator()
+	for snapIter.Front() != nil || rootIter.Front() != nil {
+		// If we've exhausted the nodes in the old snapshot, we know
+		// there's nothing remaining to notify.
+		if snapIter.Front() == nil {
+			return
+		}
+		snapElem := snapIter.Front()
+
+		// If we've exhausted the nodes in the new root, we know we need
+		// to invalidate everything that remains in the old snapshot. We
+		// know from the loop condition there's something in the old
+		// snapshot.
+		if rootIter.Front() == nil {
+			close(snapElem.mutateCh)
+			if snapElem.isLeaf() {
+				close(snapElem.leaf.mutateCh)
+			}
+			snapIter.Next()
+			continue
+		}
+
+		// Do one string compare so we can check the various conditions
+		// below without repeating the compare.
+		cmp := strings.Compare(snapIter.Path(), rootIter.Path())
+
+		// If the snapshot is behind the root, then we must have deleted
+		// this node during the transaction.
+		if cmp < 0 {
+			close(snapElem.mutateCh)
+			if snapElem.isLeaf() {
+				close(snapElem.leaf.mutateCh)
+			}
+			snapIter.Next()
+			continue
+		}
+
+		// If the snapshot is ahead of the root, then we must have added
+		// this node during the transaction.
+		if cmp > 0 {
+			rootIter.Next()
+			continue
+		}
+
+		// If we have the same path, then we need to see if we mutated a
+		// node and possibly the leaf.
+		rootElem := rootIter.Front()
+		if snapElem != rootElem {
+			close(snapElem.mutateCh)
+			if snapElem.leaf != nil && (snapElem.leaf != rootElem.leaf) {
+				close(snapElem.leaf.mutateCh)
+			}
+		}
+		snapIter.Next()
+		rootIter.Next()
+	}
+}
+
+// Notify is used along with TrackMutate to trigger notifications. This must
+// only be done once a transaction is committed via CommitOnly, and it is called
+// automatically by Commit.
+func (t *Txn) Notify() {
+	if !t.trackMutate {
+		return
+	}
+
+	// If we've overflowed the tracking state we can't use it in any way and
+	// need to do a full tree compare.
+	if t.trackOverflow {
+		t.slowNotify()
+	} else {
+		for ch := range t.trackChannels {
+			close(ch)
+		}
+	}
+
+	// Clean up the tracking state so that a re-notify is safe (will trigger
+	// the else clause above which will be a no-op).
+	t.trackChannels = nil
+	t.trackOverflow = false
+}
+
+// Insert is used to add or update a given key. The return provides
+// the new tree, previous value and a bool indicating if any was set.
+func (t *Tree) Insert(k []byte, v interface{}) (*Tree, interface{}, bool) {
+	txn := t.Txn()
+	old, ok := txn.Insert(k, v)
+	return txn.Commit(), old, ok
+}
+
+// Delete is used to delete a given key. Returns the new tree,
+// old value if any, and a bool indicating if the key was set.
+func (t *Tree) Delete(k []byte) (*Tree, interface{}, bool) {
+	txn := t.Txn()
+	old, ok := txn.Delete(k)
+	return txn.Commit(), old, ok
+}
+
+// DeletePrefix is used to delete all nodes starting with a given prefix. Returns the new tree,
+// and a bool indicating if the prefix matched any nodes
+func (t *Tree) DeletePrefix(k []byte) (*Tree, bool) {
+	txn := t.Txn()
+	ok := txn.DeletePrefix(k)
+	return txn.Commit(), ok
+}
+
+// Root returns the root node of the tree which can be used for richer
+// query operations.
+func (t *Tree) Root() *Node {
+	return t.root
+}
+
+// Get is used to lookup a specific key, returning
+// the value and if it was found
+func (t *Tree) Get(k []byte) (interface{}, bool) {
+	return t.root.Get(k)
+}
+
+// longestPrefix finds the length of the shared prefix
+// of two strings
+func longestPrefix(k1, k2 []byte) int {
+	max := len(k1)
+	if l := len(k2); l < max {
+		max = l
+	}
+	var i int
+	for i = 0; i < max; i++ {
+		if k1[i] != k2[i] {
+			break
+		}
+	}
+	return i
+}
+
+// concat two byte slices, returning a third new copy
+func concat(a, b []byte) []byte {
+	c := make([]byte, len(a)+len(b))
+	copy(c, a)
+	copy(c[len(a):], b)
+	return c
+}
diff --git a/vendor/github.com/hashicorp/go-immutable-radix/iter.go b/vendor/github.com/hashicorp/go-immutable-radix/iter.go
new file mode 100644
index 0000000..9815e02
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-immutable-radix/iter.go
@@ -0,0 +1,91 @@
+package iradix
+
+import "bytes"
+
+// Iterator is used to iterate over a set of nodes
+// in pre-order
+type Iterator struct {
+	node  *Node
+	stack []edges
+}
+
+// SeekPrefixWatch is used to seek the iterator to a given prefix
+// and returns the watch channel of the finest granularity
+func (i *Iterator) SeekPrefixWatch(prefix []byte) (watch <-chan struct{}) {
+	// Wipe the stack
+	i.stack = nil
+	n := i.node
+	watch = n.mutateCh
+	search := prefix
+	for {
+		// Check for key exhaution
+		if len(search) == 0 {
+			i.node = n
+			return
+		}
+
+		// Look for an edge
+		_, n = n.getEdge(search[0])
+		if n == nil {
+			i.node = nil
+			return
+		}
+
+		// Update to the finest granularity as the search makes progress
+		watch = n.mutateCh
+
+		// Consume the search prefix
+		if bytes.HasPrefix(search, n.prefix) {
+			search = search[len(n.prefix):]
+
+		} else if bytes.HasPrefix(n.prefix, search) {
+			i.node = n
+			return
+		} else {
+			i.node = nil
+			return
+		}
+	}
+}
+
+// SeekPrefix is used to seek the iterator to a given prefix
+func (i *Iterator) SeekPrefix(prefix []byte) {
+	i.SeekPrefixWatch(prefix)
+}
+
+// Next returns the next node in order
+func (i *Iterator) Next() ([]byte, interface{}, bool) {
+	// Initialize our stack if needed
+	if i.stack == nil && i.node != nil {
+		i.stack = []edges{
+			edges{
+				edge{node: i.node},
+			},
+		}
+	}
+
+	for len(i.stack) > 0 {
+		// Inspect the last element of the stack
+		n := len(i.stack)
+		last := i.stack[n-1]
+		elem := last[0].node
+
+		// Update the stack
+		if len(last) > 1 {
+			i.stack[n-1] = last[1:]
+		} else {
+			i.stack = i.stack[:n-1]
+		}
+
+		// Push the edges onto the frontier
+		if len(elem.edges) > 0 {
+			i.stack = append(i.stack, elem.edges)
+		}
+
+		// Return the leaf values if any
+		if elem.leaf != nil {
+			return elem.leaf.key, elem.leaf.val, true
+		}
+	}
+	return nil, nil, false
+}
diff --git a/vendor/github.com/hashicorp/go-immutable-radix/node.go b/vendor/github.com/hashicorp/go-immutable-radix/node.go
new file mode 100644
index 0000000..7a065e7
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-immutable-radix/node.go
@@ -0,0 +1,292 @@
+package iradix
+
+import (
+	"bytes"
+	"sort"
+)
+
+// WalkFn is used when walking the tree. Takes a
+// key and value, returning if iteration should
+// be terminated.
+type WalkFn func(k []byte, v interface{}) bool
+
+// leafNode is used to represent a value
+type leafNode struct {
+	mutateCh chan struct{}
+	key      []byte
+	val      interface{}
+}
+
+// edge is used to represent an edge node
+type edge struct {
+	label byte
+	node  *Node
+}
+
+// Node is an immutable node in the radix tree
+type Node struct {
+	// mutateCh is closed if this node is modified
+	mutateCh chan struct{}
+
+	// leaf is used to store possible leaf
+	leaf *leafNode
+
+	// prefix is the common prefix we ignore
+	prefix []byte
+
+	// Edges should be stored in-order for iteration.
+	// We avoid a fully materialized slice to save memory,
+	// since in most cases we expect to be sparse
+	edges edges
+}
+
+func (n *Node) isLeaf() bool {
+	return n.leaf != nil
+}
+
+func (n *Node) addEdge(e edge) {
+	num := len(n.edges)
+	idx := sort.Search(num, func(i int) bool {
+		return n.edges[i].label >= e.label
+	})
+	n.edges = append(n.edges, e)
+	if idx != num {
+		copy(n.edges[idx+1:], n.edges[idx:num])
+		n.edges[idx] = e
+	}
+}
+
+func (n *Node) replaceEdge(e edge) {
+	num := len(n.edges)
+	idx := sort.Search(num, func(i int) bool {
+		return n.edges[i].label >= e.label
+	})
+	if idx < num && n.edges[idx].label == e.label {
+		n.edges[idx].node = e.node
+		return
+	}
+	panic("replacing missing edge")
+}
+
+func (n *Node) getEdge(label byte) (int, *Node) {
+	num := len(n.edges)
+	idx := sort.Search(num, func(i int) bool {
+		return n.edges[i].label >= label
+	})
+	if idx < num && n.edges[idx].label == label {
+		return idx, n.edges[idx].node
+	}
+	return -1, nil
+}
+
+func (n *Node) delEdge(label byte) {
+	num := len(n.edges)
+	idx := sort.Search(num, func(i int) bool {
+		return n.edges[i].label >= label
+	})
+	if idx < num && n.edges[idx].label == label {
+		copy(n.edges[idx:], n.edges[idx+1:])
+		n.edges[len(n.edges)-1] = edge{}
+		n.edges = n.edges[:len(n.edges)-1]
+	}
+}
+
+func (n *Node) GetWatch(k []byte) (<-chan struct{}, interface{}, bool) {
+	search := k
+	watch := n.mutateCh
+	for {
+		// Check for key exhaustion
+		if len(search) == 0 {
+			if n.isLeaf() {
+				return n.leaf.mutateCh, n.leaf.val, true
+			}
+			break
+		}
+
+		// Look for an edge
+		_, n = n.getEdge(search[0])
+		if n == nil {
+			break
+		}
+
+		// Update to the finest granularity as the search makes progress
+		watch = n.mutateCh
+
+		// Consume the search prefix
+		if bytes.HasPrefix(search, n.prefix) {
+			search = search[len(n.prefix):]
+		} else {
+			break
+		}
+	}
+	return watch, nil, false
+}
+
+func (n *Node) Get(k []byte) (interface{}, bool) {
+	_, val, ok := n.GetWatch(k)
+	return val, ok
+}
+
+// LongestPrefix is like Get, but instead of an
+// exact match, it will return the longest prefix match.
+func (n *Node) LongestPrefix(k []byte) ([]byte, interface{}, bool) {
+	var last *leafNode
+	search := k
+	for {
+		// Look for a leaf node
+		if n.isLeaf() {
+			last = n.leaf
+		}
+
+		// Check for key exhaution
+		if len(search) == 0 {
+			break
+		}
+
+		// Look for an edge
+		_, n = n.getEdge(search[0])
+		if n == nil {
+			break
+		}
+
+		// Consume the search prefix
+		if bytes.HasPrefix(search, n.prefix) {
+			search = search[len(n.prefix):]
+		} else {
+			break
+		}
+	}
+	if last != nil {
+		return last.key, last.val, true
+	}
+	return nil, nil, false
+}
+
+// Minimum is used to return the minimum value in the tree
+func (n *Node) Minimum() ([]byte, interface{}, bool) {
+	for {
+		if n.isLeaf() {
+			return n.leaf.key, n.leaf.val, true
+		}
+		if len(n.edges) > 0 {
+			n = n.edges[0].node
+		} else {
+			break
+		}
+	}
+	return nil, nil, false
+}
+
+// Maximum is used to return the maximum value in the tree
+func (n *Node) Maximum() ([]byte, interface{}, bool) {
+	for {
+		if num := len(n.edges); num > 0 {
+			n = n.edges[num-1].node
+			continue
+		}
+		if n.isLeaf() {
+			return n.leaf.key, n.leaf.val, true
+		} else {
+			break
+		}
+	}
+	return nil, nil, false
+}
+
+// Iterator is used to return an iterator at
+// the given node to walk the tree
+func (n *Node) Iterator() *Iterator {
+	return &Iterator{node: n}
+}
+
+// rawIterator is used to return a raw iterator at the given node to walk the
+// tree.
+func (n *Node) rawIterator() *rawIterator {
+	iter := &rawIterator{node: n}
+	iter.Next()
+	return iter
+}
+
+// Walk is used to walk the tree
+func (n *Node) Walk(fn WalkFn) {
+	recursiveWalk(n, fn)
+}
+
+// WalkPrefix is used to walk the tree under a prefix
+func (n *Node) WalkPrefix(prefix []byte, fn WalkFn) {
+	search := prefix
+	for {
+		// Check for key exhaution
+		if len(search) == 0 {
+			recursiveWalk(n, fn)
+			return
+		}
+
+		// Look for an edge
+		_, n = n.getEdge(search[0])
+		if n == nil {
+			break
+		}
+
+		// Consume the search prefix
+		if bytes.HasPrefix(search, n.prefix) {
+			search = search[len(n.prefix):]
+
+		} else if bytes.HasPrefix(n.prefix, search) {
+			// Child may be under our search prefix
+			recursiveWalk(n, fn)
+			return
+		} else {
+			break
+		}
+	}
+}
+
+// WalkPath is used to walk the tree, but only visiting nodes
+// from the root down to a given leaf. Where WalkPrefix walks
+// all the entries *under* the given prefix, this walks the
+// entries *above* the given prefix.
+func (n *Node) WalkPath(path []byte, fn WalkFn) {
+	search := path
+	for {
+		// Visit the leaf values if any
+		if n.leaf != nil && fn(n.leaf.key, n.leaf.val) {
+			return
+		}
+
+		// Check for key exhaution
+		if len(search) == 0 {
+			return
+		}
+
+		// Look for an edge
+		_, n = n.getEdge(search[0])
+		if n == nil {
+			return
+		}
+
+		// Consume the search prefix
+		if bytes.HasPrefix(search, n.prefix) {
+			search = search[len(n.prefix):]
+		} else {
+			break
+		}
+	}
+}
+
+// recursiveWalk is used to do a pre-order walk of a node
+// recursively. Returns true if the walk should be aborted
+func recursiveWalk(n *Node, fn WalkFn) bool {
+	// Visit the leaf values if any
+	if n.leaf != nil && fn(n.leaf.key, n.leaf.val) {
+		return true
+	}
+
+	// Recurse on the children
+	for _, e := range n.edges {
+		if recursiveWalk(e.node, fn) {
+			return true
+		}
+	}
+	return false
+}
diff --git a/vendor/github.com/hashicorp/go-immutable-radix/raw_iter.go b/vendor/github.com/hashicorp/go-immutable-radix/raw_iter.go
new file mode 100644
index 0000000..04814c1
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-immutable-radix/raw_iter.go
@@ -0,0 +1,78 @@
+package iradix
+
+// rawIterator visits each of the nodes in the tree, even the ones that are not
+// leaves. It keeps track of the effective path (what a leaf at a given node
+// would be called), which is useful for comparing trees.
+type rawIterator struct {
+	// node is the starting node in the tree for the iterator.
+	node *Node
+
+	// stack keeps track of edges in the frontier.
+	stack []rawStackEntry
+
+	// pos is the current position of the iterator.
+	pos *Node
+
+	// path is the effective path of the current iterator position,
+	// regardless of whether the current node is a leaf.
+	path string
+}
+
+// rawStackEntry is used to keep track of the cumulative common path as well as
+// its associated edges in the frontier.
+type rawStackEntry struct {
+	path  string
+	edges edges
+}
+
+// Front returns the current node that has been iterated to.
+func (i *rawIterator) Front() *Node {
+	return i.pos
+}
+
+// Path returns the effective path of the current node, even if it's not actually
+// a leaf.
+func (i *rawIterator) Path() string {
+	return i.path
+}
+
+// Next advances the iterator to the next node.
+func (i *rawIterator) Next() {
+	// Initialize our stack if needed.
+	if i.stack == nil && i.node != nil {
+		i.stack = []rawStackEntry{
+			rawStackEntry{
+				edges: edges{
+					edge{node: i.node},
+				},
+			},
+		}
+	}
+
+	for len(i.stack) > 0 {
+		// Inspect the last element of the stack.
+		n := len(i.stack)
+		last := i.stack[n-1]
+		elem := last.edges[0].node
+
+		// Update the stack.
+		if len(last.edges) > 1 {
+			i.stack[n-1].edges = last.edges[1:]
+		} else {
+			i.stack = i.stack[:n-1]
+		}
+
+		// Push the edges onto the frontier.
+		if len(elem.edges) > 0 {
+			path := last.path + string(elem.prefix)
+			i.stack = append(i.stack, rawStackEntry{path, elem.edges})
+		}
+
+		i.pos = elem
+		i.path = last.path + string(elem.prefix)
+		return
+	}
+
+	i.pos = nil
+	i.path = ""
+}
diff --git a/vendor/github.com/hashicorp/go-rootcerts/go.mod b/vendor/github.com/hashicorp/go-rootcerts/go.mod
new file mode 100644
index 0000000..3c0e0e6
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-rootcerts/go.mod
@@ -0,0 +1,3 @@
+module github.com/hashicorp/go-rootcerts
+
+require github.com/mitchellh/go-homedir v1.0.0
diff --git a/vendor/github.com/hashicorp/go-rootcerts/go.sum b/vendor/github.com/hashicorp/go-rootcerts/go.sum
new file mode 100644
index 0000000..d12bb75
--- /dev/null
+++ b/vendor/github.com/hashicorp/go-rootcerts/go.sum
@@ -0,0 +1,2 @@
+github.com/mitchellh/go-homedir v1.0.0 h1:vKb8ShqSby24Yrqr/yDYkuFz8d0WUjys40rvnGC8aR0=
+github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
diff --git a/vendor/github.com/hashicorp/golang-lru/LICENSE b/vendor/github.com/hashicorp/golang-lru/LICENSE
new file mode 100644
index 0000000..be2cc4d
--- /dev/null
+++ b/vendor/github.com/hashicorp/golang-lru/LICENSE
@@ -0,0 +1,362 @@
+Mozilla Public License, version 2.0
+
+1. Definitions
+
+1.1. "Contributor"
+
+     means each individual or legal entity that creates, contributes to the
+     creation of, or owns Covered Software.
+
+1.2. "Contributor Version"
+
+     means the combination of the Contributions of others (if any) used by a
+     Contributor and that particular Contributor's Contribution.
+
+1.3. "Contribution"
+
+     means Covered Software of a particular Contributor.
+
+1.4. "Covered Software"
+
+     means Source Code Form to which the initial Contributor has attached the
+     notice in Exhibit A, the Executable Form of such Source Code Form, and
+     Modifications of such Source Code Form, in each case including portions
+     thereof.
+
+1.5. "Incompatible With Secondary Licenses"
+     means
+
+     a. that the initial Contributor has attached the notice described in
+        Exhibit B to the Covered Software; or
+
+     b. that the Covered Software was made available under the terms of
+        version 1.1 or earlier of the License, but not also under the terms of
+        a Secondary License.
+
+1.6. "Executable Form"
+
+     means any form of the work other than Source Code Form.
+
+1.7. "Larger Work"
+
+     means a work that combines Covered Software with other material, in a
+     separate file or files, that is not Covered Software.
+
+1.8. "License"
+
+     means this document.
+
+1.9. "Licensable"
+
+     means having the right to grant, to the maximum extent possible, whether
+     at the time of the initial grant or subsequently, any and all of the
+     rights conveyed by this License.
+
+1.10. "Modifications"
+
+     means any of the following:
+
+     a. any file in Source Code Form that results from an addition to,
+        deletion from, or modification of the contents of Covered Software; or
+
+     b. any new file in Source Code Form that contains any Covered Software.
+
+1.11. "Patent Claims" of a Contributor
+
+      means any patent claim(s), including without limitation, method,
+      process, and apparatus claims, in any patent Licensable by such
+      Contributor that would be infringed, but for the grant of the License,
+      by the making, using, selling, offering for sale, having made, import,
+      or transfer of either its Contributions or its Contributor Version.
+
+1.12. "Secondary License"
+
+      means either the GNU General Public License, Version 2.0, the GNU Lesser
+      General Public License, Version 2.1, the GNU Affero General Public
+      License, Version 3.0, or any later versions of those licenses.
+
+1.13. "Source Code Form"
+
+      means the form of the work preferred for making modifications.
+
+1.14. "You" (or "Your")
+
+      means an individual or a legal entity exercising rights under this
+      License. For legal entities, "You" includes any entity that controls, is
+      controlled by, or is under common control with You. For purposes of this
+      definition, "control" means (a) the power, direct or indirect, to cause
+      the direction or management of such entity, whether by contract or
+      otherwise, or (b) ownership of more than fifty percent (50%) of the
+      outstanding shares or beneficial ownership of such entity.
+
+
+2. License Grants and Conditions
+
+2.1. Grants
+
+     Each Contributor hereby grants You a world-wide, royalty-free,
+     non-exclusive license:
+
+     a. under intellectual property rights (other than patent or trademark)
+        Licensable by such Contributor to use, reproduce, make available,
+        modify, display, perform, distribute, and otherwise exploit its
+        Contributions, either on an unmodified basis, with Modifications, or
+        as part of a Larger Work; and
+
+     b. under Patent Claims of such Contributor to make, use, sell, offer for
+        sale, have made, import, and otherwise transfer either its
+        Contributions or its Contributor Version.
+
+2.2. Effective Date
+
+     The licenses granted in Section 2.1 with respect to any Contribution
+     become effective for each Contribution on the date the Contributor first
+     distributes such Contribution.
+
+2.3. Limitations on Grant Scope
+
+     The licenses granted in this Section 2 are the only rights granted under
+     this License. No additional rights or licenses will be implied from the
+     distribution or licensing of Covered Software under this License.
+     Notwithstanding Section 2.1(b) above, no patent license is granted by a
+     Contributor:
+
+     a. for any code that a Contributor has removed from Covered Software; or
+
+     b. for infringements caused by: (i) Your and any other third party's
+        modifications of Covered Software, or (ii) the combination of its
+        Contributions with other software (except as part of its Contributor
+        Version); or
+
+     c. under Patent Claims infringed by Covered Software in the absence of
+        its Contributions.
+
+     This License does not grant any rights in the trademarks, service marks,
+     or logos of any Contributor (except as may be necessary to comply with
+     the notice requirements in Section 3.4).
+
+2.4. Subsequent Licenses
+
+     No Contributor makes additional grants as a result of Your choice to
+     distribute the Covered Software under a subsequent version of this
+     License (see Section 10.2) or under the terms of a Secondary License (if
+     permitted under the terms of Section 3.3).
+
+2.5. Representation
+
+     Each Contributor represents that the Contributor believes its
+     Contributions are its original creation(s) or it has sufficient rights to
+     grant the rights to its Contributions conveyed by this License.
+
+2.6. Fair Use
+
+     This License is not intended to limit any rights You have under
+     applicable copyright doctrines of fair use, fair dealing, or other
+     equivalents.
+
+2.7. Conditions
+
+     Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted in
+     Section 2.1.
+
+
+3. Responsibilities
+
+3.1. Distribution of Source Form
+
+     All distribution of Covered Software in Source Code Form, including any
+     Modifications that You create or to which You contribute, must be under
+     the terms of this License. You must inform recipients that the Source
+     Code Form of the Covered Software is governed by the terms of this
+     License, and how they can obtain a copy of this License. You may not
+     attempt to alter or restrict the recipients' rights in the Source Code
+     Form.
+
+3.2. Distribution of Executable Form
+
+     If You distribute Covered Software in Executable Form then:
+
+     a. such Covered Software must also be made available in Source Code Form,
+        as described in Section 3.1, and You must inform recipients of the
+        Executable Form how they can obtain a copy of such Source Code Form by
+        reasonable means in a timely manner, at a charge no more than the cost
+        of distribution to the recipient; and
+
+     b. You may distribute such Executable Form under the terms of this
+        License, or sublicense it under different terms, provided that the
+        license for the Executable Form does not attempt to limit or alter the
+        recipients' rights in the Source Code Form under this License.
+
+3.3. Distribution of a Larger Work
+
+     You may create and distribute a Larger Work under terms of Your choice,
+     provided that You also comply with the requirements of this License for
+     the Covered Software. If the Larger Work is a combination of Covered
+     Software with a work governed by one or more Secondary Licenses, and the
+     Covered Software is not Incompatible With Secondary Licenses, this
+     License permits You to additionally distribute such Covered Software
+     under the terms of such Secondary License(s), so that the recipient of
+     the Larger Work may, at their option, further distribute the Covered
+     Software under the terms of either this License or such Secondary
+     License(s).
+
+3.4. Notices
+
+     You may not remove or alter the substance of any license notices
+     (including copyright notices, patent notices, disclaimers of warranty, or
+     limitations of liability) contained within the Source Code Form of the
+     Covered Software, except that You may alter any license notices to the
+     extent required to remedy known factual inaccuracies.
+
+3.5. Application of Additional Terms
+
+     You may choose to offer, and to charge a fee for, warranty, support,
+     indemnity or liability obligations to one or more recipients of Covered
+     Software. However, You may do so only on Your own behalf, and not on
+     behalf of any Contributor. You must make it absolutely clear that any
+     such warranty, support, indemnity, or liability obligation is offered by
+     You alone, and You hereby agree to indemnify every Contributor for any
+     liability incurred by such Contributor as a result of warranty, support,
+     indemnity or liability terms You offer. You may include additional
+     disclaimers of warranty and limitations of liability specific to any
+     jurisdiction.
+
+4. Inability to Comply Due to Statute or Regulation
+
+   If it is impossible for You to comply with any of the terms of this License
+   with respect to some or all of the Covered Software due to statute,
+   judicial order, or regulation then You must: (a) comply with the terms of
+   this License to the maximum extent possible; and (b) describe the
+   limitations and the code they affect. Such description must be placed in a
+   text file included with all distributions of the Covered Software under
+   this License. Except to the extent prohibited by statute or regulation,
+   such description must be sufficiently detailed for a recipient of ordinary
+   skill to be able to understand it.
+
+5. Termination
+
+5.1. The rights granted under this License will terminate automatically if You
+     fail to comply with any of its terms. However, if You become compliant,
+     then the rights granted under this License from a particular Contributor
+     are reinstated (a) provisionally, unless and until such Contributor
+     explicitly and finally terminates Your grants, and (b) on an ongoing
+     basis, if such Contributor fails to notify You of the non-compliance by
+     some reasonable means prior to 60 days after You have come back into
+     compliance. Moreover, Your grants from a particular Contributor are
+     reinstated on an ongoing basis if such Contributor notifies You of the
+     non-compliance by some reasonable means, this is the first time You have
+     received notice of non-compliance with this License from such
+     Contributor, and You become compliant prior to 30 days after Your receipt
+     of the notice.
+
+5.2. If You initiate litigation against any entity by asserting a patent
+     infringement claim (excluding declaratory judgment actions,
+     counter-claims, and cross-claims) alleging that a Contributor Version
+     directly or indirectly infringes any patent, then the rights granted to
+     You by any and all Contributors for the Covered Software under Section
+     2.1 of this License shall terminate.
+
+5.3. In the event of termination under Sections 5.1 or 5.2 above, all end user
+     license agreements (excluding distributors and resellers) which have been
+     validly granted by You or Your distributors under this License prior to
+     termination shall survive termination.
+
+6. Disclaimer of Warranty
+
+   Covered Software is provided under this License on an "as is" basis,
+   without warranty of any kind, either expressed, implied, or statutory,
+   including, without limitation, warranties that the Covered Software is free
+   of defects, merchantable, fit for a particular purpose or non-infringing.
+   The entire risk as to the quality and performance of the Covered Software
+   is with You. Should any Covered Software prove defective in any respect,
+   You (not any Contributor) assume the cost of any necessary servicing,
+   repair, or correction. This disclaimer of warranty constitutes an essential
+   part of this License. No use of  any Covered Software is authorized under
+   this License except under this disclaimer.
+
+7. Limitation of Liability
+
+   Under no circumstances and under no legal theory, whether tort (including
+   negligence), contract, or otherwise, shall any Contributor, or anyone who
+   distributes Covered Software as permitted above, be liable to You for any
+   direct, indirect, special, incidental, or consequential damages of any
+   character including, without limitation, damages for lost profits, loss of
+   goodwill, work stoppage, computer failure or malfunction, or any and all
+   other commercial damages or losses, even if such party shall have been
+   informed of the possibility of such damages. This limitation of liability
+   shall not apply to liability for death or personal injury resulting from
+   such party's negligence to the extent applicable law prohibits such
+   limitation. Some jurisdictions do not allow the exclusion or limitation of
+   incidental or consequential damages, so this exclusion and limitation may
+   not apply to You.
+
+8. Litigation
+
+   Any litigation relating to this License may be brought only in the courts
+   of a jurisdiction where the defendant maintains its principal place of
+   business and such litigation shall be governed by laws of that
+   jurisdiction, without reference to its conflict-of-law provisions. Nothing
+   in this Section shall prevent a party's ability to bring cross-claims or
+   counter-claims.
+
+9. Miscellaneous
+
+   This License represents the complete agreement concerning the subject
+   matter hereof. If any provision of this License is held to be
+   unenforceable, such provision shall be reformed only to the extent
+   necessary to make it enforceable. Any law or regulation which provides that
+   the language of a contract shall be construed against the drafter shall not
+   be used to construe this License against a Contributor.
+
+
+10. Versions of the License
+
+10.1. New Versions
+
+      Mozilla Foundation is the license steward. Except as provided in Section
+      10.3, no one other than the license steward has the right to modify or
+      publish new versions of this License. Each version will be given a
+      distinguishing version number.
+
+10.2. Effect of New Versions
+
+      You may distribute the Covered Software under the terms of the version
+      of the License under which You originally received the Covered Software,
+      or under the terms of any subsequent version published by the license
+      steward.
+
+10.3. Modified Versions
+
+      If you create software not governed by this License, and you want to
+      create a new license for such software, you may create and use a
+      modified version of this License if you rename the license and remove
+      any references to the name of the license steward (except to note that
+      such modified license differs from this License).
+
+10.4. Distributing Source Code Form that is Incompatible With Secondary
+      Licenses If You choose to distribute Source Code Form that is
+      Incompatible With Secondary Licenses under the terms of this version of
+      the License, the notice described in Exhibit B of this License must be
+      attached.
+
+Exhibit A - Source Code Form License Notice
+
+      This Source Code Form is subject to the
+      terms of the Mozilla Public License, v.
+      2.0. If a copy of the MPL was not
+      distributed with this file, You can
+      obtain one at
+      http://mozilla.org/MPL/2.0/.
+
+If it is not possible or desirable to put the notice in a particular file,
+then You may include the notice in a location (such as a LICENSE file in a
+relevant directory) where a recipient would be likely to look for such a
+notice.
+
+You may add additional accurate notices of copyright ownership.
+
+Exhibit B - "Incompatible With Secondary Licenses" Notice
+
+      This Source Code Form is "Incompatible
+      With Secondary Licenses", as defined by
+      the Mozilla Public License, v. 2.0.
diff --git a/vendor/github.com/hashicorp/golang-lru/simplelru/lru.go b/vendor/github.com/hashicorp/golang-lru/simplelru/lru.go
new file mode 100644
index 0000000..5673773
--- /dev/null
+++ b/vendor/github.com/hashicorp/golang-lru/simplelru/lru.go
@@ -0,0 +1,161 @@
+package simplelru
+
+import (
+	"container/list"
+	"errors"
+)
+
+// EvictCallback is used to get a callback when a cache entry is evicted
+type EvictCallback func(key interface{}, value interface{})
+
+// LRU implements a non-thread safe fixed size LRU cache
+type LRU struct {
+	size      int
+	evictList *list.List
+	items     map[interface{}]*list.Element
+	onEvict   EvictCallback
+}
+
+// entry is used to hold a value in the evictList
+type entry struct {
+	key   interface{}
+	value interface{}
+}
+
+// NewLRU constructs an LRU of the given size
+func NewLRU(size int, onEvict EvictCallback) (*LRU, error) {
+	if size <= 0 {
+		return nil, errors.New("Must provide a positive size")
+	}
+	c := &LRU{
+		size:      size,
+		evictList: list.New(),
+		items:     make(map[interface{}]*list.Element),
+		onEvict:   onEvict,
+	}
+	return c, nil
+}
+
+// Purge is used to completely clear the cache.
+func (c *LRU) Purge() {
+	for k, v := range c.items {
+		if c.onEvict != nil {
+			c.onEvict(k, v.Value.(*entry).value)
+		}
+		delete(c.items, k)
+	}
+	c.evictList.Init()
+}
+
+// Add adds a value to the cache.  Returns true if an eviction occurred.
+func (c *LRU) Add(key, value interface{}) (evicted bool) {
+	// Check for existing item
+	if ent, ok := c.items[key]; ok {
+		c.evictList.MoveToFront(ent)
+		ent.Value.(*entry).value = value
+		return false
+	}
+
+	// Add new item
+	ent := &entry{key, value}
+	entry := c.evictList.PushFront(ent)
+	c.items[key] = entry
+
+	evict := c.evictList.Len() > c.size
+	// Verify size not exceeded
+	if evict {
+		c.removeOldest()
+	}
+	return evict
+}
+
+// Get looks up a key's value from the cache.
+func (c *LRU) Get(key interface{}) (value interface{}, ok bool) {
+	if ent, ok := c.items[key]; ok {
+		c.evictList.MoveToFront(ent)
+		return ent.Value.(*entry).value, true
+	}
+	return
+}
+
+// Contains checks if a key is in the cache, without updating the recent-ness
+// or deleting it for being stale.
+func (c *LRU) Contains(key interface{}) (ok bool) {
+	_, ok = c.items[key]
+	return ok
+}
+
+// Peek returns the key value (or undefined if not found) without updating
+// the "recently used"-ness of the key.
+func (c *LRU) Peek(key interface{}) (value interface{}, ok bool) {
+	var ent *list.Element
+	if ent, ok = c.items[key]; ok {
+		return ent.Value.(*entry).value, true
+	}
+	return nil, ok
+}
+
+// Remove removes the provided key from the cache, returning if the
+// key was contained.
+func (c *LRU) Remove(key interface{}) (present bool) {
+	if ent, ok := c.items[key]; ok {
+		c.removeElement(ent)
+		return true
+	}
+	return false
+}
+
+// RemoveOldest removes the oldest item from the cache.
+func (c *LRU) RemoveOldest() (key interface{}, value interface{}, ok bool) {
+	ent := c.evictList.Back()
+	if ent != nil {
+		c.removeElement(ent)
+		kv := ent.Value.(*entry)
+		return kv.key, kv.value, true
+	}
+	return nil, nil, false
+}
+
+// GetOldest returns the oldest entry
+func (c *LRU) GetOldest() (key interface{}, value interface{}, ok bool) {
+	ent := c.evictList.Back()
+	if ent != nil {
+		kv := ent.Value.(*entry)
+		return kv.key, kv.value, true
+	}
+	return nil, nil, false
+}
+
+// Keys returns a slice of the keys in the cache, from oldest to newest.
+func (c *LRU) Keys() []interface{} {
+	keys := make([]interface{}, len(c.items))
+	i := 0
+	for ent := c.evictList.Back(); ent != nil; ent = ent.Prev() {
+		keys[i] = ent.Value.(*entry).key
+		i++
+	}
+	return keys
+}
+
+// Len returns the number of items in the cache.
+func (c *LRU) Len() int {
+	return c.evictList.Len()
+}
+
+// removeOldest removes the oldest item from the cache.
+func (c *LRU) removeOldest() {
+	ent := c.evictList.Back()
+	if ent != nil {
+		c.removeElement(ent)
+	}
+}
+
+// removeElement is used to remove a given list element from the cache
+func (c *LRU) removeElement(e *list.Element) {
+	c.evictList.Remove(e)
+	kv := e.Value.(*entry)
+	delete(c.items, kv.key)
+	if c.onEvict != nil {
+		c.onEvict(kv.key, kv.value)
+	}
+}
diff --git a/vendor/github.com/hashicorp/golang-lru/simplelru/lru_interface.go b/vendor/github.com/hashicorp/golang-lru/simplelru/lru_interface.go
new file mode 100644
index 0000000..74c7077
--- /dev/null
+++ b/vendor/github.com/hashicorp/golang-lru/simplelru/lru_interface.go
@@ -0,0 +1,36 @@
+package simplelru
+
+// LRUCache is the interface for simple LRU cache.
+type LRUCache interface {
+	// Adds a value to the cache, returns true if an eviction occurred and
+	// updates the "recently used"-ness of the key.
+	Add(key, value interface{}) bool
+
+	// Returns key's value from the cache and
+	// updates the "recently used"-ness of the key. #value, isFound
+	Get(key interface{}) (value interface{}, ok bool)
+
+	// Check if a key exsists in cache without updating the recent-ness.
+	Contains(key interface{}) (ok bool)
+
+	// Returns key's value without updating the "recently used"-ness of the key.
+	Peek(key interface{}) (value interface{}, ok bool)
+
+	// Removes a key from the cache.
+	Remove(key interface{}) bool
+
+	// Removes the oldest entry from cache.
+	RemoveOldest() (interface{}, interface{}, bool)
+
+	// Returns the oldest entry from the cache. #key, value, isFound
+	GetOldest() (interface{}, interface{}, bool)
+
+	// Returns a slice of the keys in the cache, from oldest to newest.
+	Keys() []interface{}
+
+	// Returns the number of items in the cache.
+	Len() int
+
+	// Clear all cache entries
+	Purge()
+}
diff --git a/vendor/github.com/mitchellh/go-homedir/homedir.go b/vendor/github.com/mitchellh/go-homedir/homedir.go
index fb87bef..2537853 100644
--- a/vendor/github.com/mitchellh/go-homedir/homedir.go
+++ b/vendor/github.com/mitchellh/go-homedir/homedir.go
@@ -76,6 +76,16 @@
 	return filepath.Join(dir, path[1:]), nil
 }
 
+// Reset clears the cache, forcing the next call to Dir to re-detect
+// the home directory. This generally never has to be called, but can be
+// useful in tests if you're modifying the home directory via the HOME
+// env var or something.
+func Reset() {
+	cacheLock.Lock()
+	defer cacheLock.Unlock()
+	homedirCache = ""
+}
+
 func dirUnix() (string, error) {
 	homeEnv := "HOME"
 	if runtime.GOOS == "plan9" {
diff --git a/vendor/github.com/mitchellh/mapstructure/.travis.yml b/vendor/github.com/mitchellh/mapstructure/.travis.yml
index d9deadb..1689c7d 100644
--- a/vendor/github.com/mitchellh/mapstructure/.travis.yml
+++ b/vendor/github.com/mitchellh/mapstructure/.travis.yml
@@ -1,7 +1,7 @@
 language: go
 
 go:
-  - 1.9.x
+  - "1.11.x"
   - tip
 
 script:
diff --git a/vendor/github.com/mitchellh/mapstructure/CHANGELOG.md b/vendor/github.com/mitchellh/mapstructure/CHANGELOG.md
index fb0f46c..3b3cb72 100644
--- a/vendor/github.com/mitchellh/mapstructure/CHANGELOG.md
+++ b/vendor/github.com/mitchellh/mapstructure/CHANGELOG.md
@@ -1,4 +1,13 @@
-## 1.1.0 (September 30, 2018)
+## 1.1.2
+
+* Fix error when decode hook decodes interface implementation into interface
+  type. [GH-140]
+
+## 1.1.1
+
+* Fix panic that can happen in `decodePtr`
+
+## 1.1.0
 
 * Added `StringToIPHookFunc` to convert `string` to `net.IP` and `net.IPNet` [GH-133]
 * Support struct to struct decoding [GH-137]
diff --git a/vendor/github.com/mitchellh/mapstructure/mapstructure.go b/vendor/github.com/mitchellh/mapstructure/mapstructure.go
index 95eb686..256ee63 100644
--- a/vendor/github.com/mitchellh/mapstructure/mapstructure.go
+++ b/vendor/github.com/mitchellh/mapstructure/mapstructure.go
@@ -316,7 +316,16 @@
 	if val.IsValid() && val.Elem().IsValid() {
 		return d.decode(name, data, val.Elem())
 	}
-	dataVal := reflect.Indirect(reflect.ValueOf(data))
+
+	dataVal := reflect.ValueOf(data)
+
+	// If the input data is a pointer, and the assigned type is the dereference
+	// of that exact pointer, then indirect it so that we can assign it.
+	// Example: *string to string
+	if dataVal.Kind() == reflect.Ptr && dataVal.Type().Elem() == val.Type() {
+		dataVal = reflect.Indirect(dataVal)
+	}
+
 	if !dataVal.IsValid() {
 		dataVal = reflect.Zero(val.Type())
 	}
diff --git a/vendor/github.com/pierrec/lz4/README.md b/vendor/github.com/pierrec/lz4/README.md
index e71ebd5..50a10ee 100644
--- a/vendor/github.com/pierrec/lz4/README.md
+++ b/vendor/github.com/pierrec/lz4/README.md
@@ -6,7 +6,7 @@
 ## Usage
 
 ```go
-import "github.com/pierrec/lz4/v2"
+import "github.com/pierrec/lz4"
 ```
 
 ## Description
diff --git a/vendor/github.com/pierrec/lz4/block.go b/vendor/github.com/pierrec/lz4/block.go
index 00b1111..07863ce 100644
--- a/vendor/github.com/pierrec/lz4/block.go
+++ b/vendor/github.com/pierrec/lz4/block.go
@@ -61,7 +61,7 @@
 			}
 			i := si
 			si += lLen
-			di += copy(dst[di:], src[i:si])
+			di += copy(dst[di:di+si-i], src[i:si])
 
 			if si >= sn {
 				return di, nil
@@ -97,7 +97,7 @@
 			di += bytesToCopy
 			mLen -= bytesToCopy
 		}
-		di += copy(dst[di:], dst[i:i+mLen])
+		di += copy(dst[di:di+mLen], dst[i:i+mLen])
 	}
 }
 
@@ -186,7 +186,7 @@
 		di++
 
 		// Literals.
-		copy(dst[di:], src[anchor:anchor+lLen])
+		copy(dst[di:di+lLen], src[anchor:anchor+lLen])
 		di += lLen + 2
 		anchor = si
 
@@ -230,7 +230,7 @@
 		// Incompressible.
 		return 0, nil
 	}
-	di += copy(dst[di:], src[anchor:])
+	di += copy(dst[di:di+len(src)-anchor], src[anchor:])
 	return di, nil
 }
 
@@ -347,7 +347,7 @@
 		di++
 
 		// Literals.
-		copy(dst[di:], src[anchor:anchor+lLen])
+		copy(dst[di:di+lLen], src[anchor:anchor+lLen])
 		di += lLen
 		anchor = si
 
@@ -392,6 +392,6 @@
 		// Incompressible.
 		return 0, nil
 	}
-	di += copy(dst[di:], src[anchor:])
+	di += copy(dst[di:di+len(src)-anchor], src[anchor:])
 	return di, nil
 }
diff --git a/vendor/github.com/coreos/etcd/auth/authpb/auth.pb.go b/vendor/go.etcd.io/etcd/auth/authpb/auth.pb.go
similarity index 100%
rename from vendor/github.com/coreos/etcd/auth/authpb/auth.pb.go
rename to vendor/go.etcd.io/etcd/auth/authpb/auth.pb.go
diff --git a/vendor/github.com/coreos/etcd/auth/authpb/auth.proto b/vendor/go.etcd.io/etcd/auth/authpb/auth.proto
similarity index 100%
rename from vendor/github.com/coreos/etcd/auth/authpb/auth.proto
rename to vendor/go.etcd.io/etcd/auth/authpb/auth.proto
diff --git a/vendor/go.etcd.io/etcd/clientv3/README.md b/vendor/go.etcd.io/etcd/clientv3/README.md
index 376bfba..a249b73 100644
--- a/vendor/go.etcd.io/etcd/clientv3/README.md
+++ b/vendor/go.etcd.io/etcd/clientv3/README.md
@@ -1,13 +1,16 @@
 # etcd/clientv3
 
-[![Godoc](https://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)](https://godoc.org/github.com/coreos/etcd/clientv3)
+[![Docs](https://readthedocs.org/projects/etcd/badge/?version=latest&style=flat-square)](https://etcd.readthedocs.io/en/latest/?badge=latest)
+[![Godoc](https://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)](https://godoc.org/go.etcd.io/etcd/clientv3)
 
 `etcd/clientv3` is the official Go etcd client for v3.
 
+See https://etcd.readthedocs.io/en/latest for latest client architecture.
+
 ## Install
 
 ```bash
-go get github.com/coreos/etcd/clientv3
+go get go.etcd.io/etcd/clientv3
 ```
 
 ## Get started
@@ -26,7 +29,7 @@
 ```
 
 etcd v3 uses [`gRPC`](http://www.grpc.io) for remote procedure calls. And `clientv3` uses
-[`grpc-go`](https://github.com/grpc/grpc-go) to connect to etcd. Make sure to close the client after using it. 
+[`grpc-go`](https://github.com/grpc/grpc-go) to connect to etcd. Make sure to close the client after using it.
 If the client is not closed, the connection will have leaky goroutines. To specify client request timeout,
 pass `context.WithTimeout` to APIs:
 
@@ -40,19 +43,14 @@
 // use the response
 ```
 
-etcd uses `cmd/vendor` directory to store external dependencies, which are
-to be compiled into etcd release binaries. `client` can be imported without
-vendoring. For full compatibility, it is recommended to vendor builds using
-etcd's vendored packages, using tools like godep, as in
-[vendor directories](https://golang.org/cmd/go/#hdr-Vendor_Directories).
-For more detail, please read [Go vendor design](https://golang.org/s/go15vendor).
+For full compatibility, it is recommended to vendor builds using etcd's vendored packages, using tools like `golang/dep`, as in [vendor directories](https://golang.org/cmd/go/#hdr-Vendor_Directories).
 
 ## Error Handling
 
 etcd client returns 2 types of errors:
 
 1. context error: canceled or deadline exceeded.
-2. gRPC error: see [api/v3rpc/rpctypes](https://godoc.org/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes).
+2. gRPC error: see [api/v3rpc/rpctypes](https://godoc.org/go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes).
 
 Here is the example code to handle client errors:
 
@@ -74,12 +72,16 @@
 
 ## Metrics
 
-The etcd client optionally exposes RPC metrics through [go-grpc-prometheus](https://github.com/grpc-ecosystem/go-grpc-prometheus). See the [examples](https://github.com/coreos/etcd/blob/master/clientv3/example_metrics_test.go).
+The etcd client optionally exposes RPC metrics through [go-grpc-prometheus](https://github.com/grpc-ecosystem/go-grpc-prometheus). See the [examples](https://github.com/etcd-io/etcd/blob/master/clientv3/example_metrics_test.go).
 
 ## Namespacing
 
-The [namespace](https://godoc.org/github.com/coreos/etcd/clientv3/namespace) package provides `clientv3` interface wrappers to transparently isolate client requests to a user-defined prefix.
+The [namespace](https://godoc.org/go.etcd.io/etcd/clientv3/namespace) package provides `clientv3` interface wrappers to transparently isolate client requests to a user-defined prefix.
+
+## Request size limit
+
+Client request size limit is configurable via `clientv3.Config.MaxCallSendMsgSize` and `MaxCallRecvMsgSize` in bytes. If none given, client request send limit defaults to 2 MiB including gRPC overhead bytes. And receive limit defaults to `math.MaxInt32`.
 
 ## Examples
 
-More code examples can be found at [GoDoc](https://godoc.org/github.com/coreos/etcd/clientv3).
+More code examples can be found at [GoDoc](https://godoc.org/go.etcd.io/etcd/clientv3).
diff --git a/vendor/go.etcd.io/etcd/clientv3/auth.go b/vendor/go.etcd.io/etcd/clientv3/auth.go
index 7545bb6..921f50f 100644
--- a/vendor/go.etcd.io/etcd/clientv3/auth.go
+++ b/vendor/go.etcd.io/etcd/clientv3/auth.go
@@ -19,9 +19,8 @@
 	"fmt"
 	"strings"
 
-	"github.com/coreos/etcd/auth/authpb"
-	pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
-
+	"go.etcd.io/etcd/auth/authpb"
+	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
 	"google.golang.org/grpc"
 )
 
@@ -100,70 +99,70 @@
 	RoleDelete(ctx context.Context, role string) (*AuthRoleDeleteResponse, error)
 }
 
-type auth struct {
+type authClient struct {
 	remote   pb.AuthClient
 	callOpts []grpc.CallOption
 }
 
 func NewAuth(c *Client) Auth {
-	api := &auth{remote: RetryAuthClient(c)}
+	api := &authClient{remote: RetryAuthClient(c)}
 	if c != nil {
 		api.callOpts = c.callOpts
 	}
 	return api
 }
 
-func (auth *auth) AuthEnable(ctx context.Context) (*AuthEnableResponse, error) {
+func (auth *authClient) AuthEnable(ctx context.Context) (*AuthEnableResponse, error) {
 	resp, err := auth.remote.AuthEnable(ctx, &pb.AuthEnableRequest{}, auth.callOpts...)
 	return (*AuthEnableResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *auth) AuthDisable(ctx context.Context) (*AuthDisableResponse, error) {
+func (auth *authClient) AuthDisable(ctx context.Context) (*AuthDisableResponse, error) {
 	resp, err := auth.remote.AuthDisable(ctx, &pb.AuthDisableRequest{}, auth.callOpts...)
 	return (*AuthDisableResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *auth) UserAdd(ctx context.Context, name string, password string) (*AuthUserAddResponse, error) {
+func (auth *authClient) UserAdd(ctx context.Context, name string, password string) (*AuthUserAddResponse, error) {
 	resp, err := auth.remote.UserAdd(ctx, &pb.AuthUserAddRequest{Name: name, Password: password}, auth.callOpts...)
 	return (*AuthUserAddResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *auth) UserDelete(ctx context.Context, name string) (*AuthUserDeleteResponse, error) {
+func (auth *authClient) UserDelete(ctx context.Context, name string) (*AuthUserDeleteResponse, error) {
 	resp, err := auth.remote.UserDelete(ctx, &pb.AuthUserDeleteRequest{Name: name}, auth.callOpts...)
 	return (*AuthUserDeleteResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *auth) UserChangePassword(ctx context.Context, name string, password string) (*AuthUserChangePasswordResponse, error) {
+func (auth *authClient) UserChangePassword(ctx context.Context, name string, password string) (*AuthUserChangePasswordResponse, error) {
 	resp, err := auth.remote.UserChangePassword(ctx, &pb.AuthUserChangePasswordRequest{Name: name, Password: password}, auth.callOpts...)
 	return (*AuthUserChangePasswordResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *auth) UserGrantRole(ctx context.Context, user string, role string) (*AuthUserGrantRoleResponse, error) {
+func (auth *authClient) UserGrantRole(ctx context.Context, user string, role string) (*AuthUserGrantRoleResponse, error) {
 	resp, err := auth.remote.UserGrantRole(ctx, &pb.AuthUserGrantRoleRequest{User: user, Role: role}, auth.callOpts...)
 	return (*AuthUserGrantRoleResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *auth) UserGet(ctx context.Context, name string) (*AuthUserGetResponse, error) {
+func (auth *authClient) UserGet(ctx context.Context, name string) (*AuthUserGetResponse, error) {
 	resp, err := auth.remote.UserGet(ctx, &pb.AuthUserGetRequest{Name: name}, auth.callOpts...)
 	return (*AuthUserGetResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *auth) UserList(ctx context.Context) (*AuthUserListResponse, error) {
+func (auth *authClient) UserList(ctx context.Context) (*AuthUserListResponse, error) {
 	resp, err := auth.remote.UserList(ctx, &pb.AuthUserListRequest{}, auth.callOpts...)
 	return (*AuthUserListResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *auth) UserRevokeRole(ctx context.Context, name string, role string) (*AuthUserRevokeRoleResponse, error) {
+func (auth *authClient) UserRevokeRole(ctx context.Context, name string, role string) (*AuthUserRevokeRoleResponse, error) {
 	resp, err := auth.remote.UserRevokeRole(ctx, &pb.AuthUserRevokeRoleRequest{Name: name, Role: role}, auth.callOpts...)
 	return (*AuthUserRevokeRoleResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *auth) RoleAdd(ctx context.Context, name string) (*AuthRoleAddResponse, error) {
+func (auth *authClient) RoleAdd(ctx context.Context, name string) (*AuthRoleAddResponse, error) {
 	resp, err := auth.remote.RoleAdd(ctx, &pb.AuthRoleAddRequest{Name: name}, auth.callOpts...)
 	return (*AuthRoleAddResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *auth) RoleGrantPermission(ctx context.Context, name string, key, rangeEnd string, permType PermissionType) (*AuthRoleGrantPermissionResponse, error) {
+func (auth *authClient) RoleGrantPermission(ctx context.Context, name string, key, rangeEnd string, permType PermissionType) (*AuthRoleGrantPermissionResponse, error) {
 	perm := &authpb.Permission{
 		Key:      []byte(key),
 		RangeEnd: []byte(rangeEnd),
@@ -173,22 +172,22 @@
 	return (*AuthRoleGrantPermissionResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *auth) RoleGet(ctx context.Context, role string) (*AuthRoleGetResponse, error) {
+func (auth *authClient) RoleGet(ctx context.Context, role string) (*AuthRoleGetResponse, error) {
 	resp, err := auth.remote.RoleGet(ctx, &pb.AuthRoleGetRequest{Role: role}, auth.callOpts...)
 	return (*AuthRoleGetResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *auth) RoleList(ctx context.Context) (*AuthRoleListResponse, error) {
+func (auth *authClient) RoleList(ctx context.Context) (*AuthRoleListResponse, error) {
 	resp, err := auth.remote.RoleList(ctx, &pb.AuthRoleListRequest{}, auth.callOpts...)
 	return (*AuthRoleListResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *auth) RoleRevokePermission(ctx context.Context, role string, key, rangeEnd string) (*AuthRoleRevokePermissionResponse, error) {
-	resp, err := auth.remote.RoleRevokePermission(ctx, &pb.AuthRoleRevokePermissionRequest{Role: role, Key: key, RangeEnd: rangeEnd}, auth.callOpts...)
+func (auth *authClient) RoleRevokePermission(ctx context.Context, role string, key, rangeEnd string) (*AuthRoleRevokePermissionResponse, error) {
+	resp, err := auth.remote.RoleRevokePermission(ctx, &pb.AuthRoleRevokePermissionRequest{Role: role, Key: []byte(key), RangeEnd: []byte(rangeEnd)}, auth.callOpts...)
 	return (*AuthRoleRevokePermissionResponse)(resp), toErr(ctx, err)
 }
 
-func (auth *auth) RoleDelete(ctx context.Context, role string) (*AuthRoleDeleteResponse, error) {
+func (auth *authClient) RoleDelete(ctx context.Context, role string) (*AuthRoleDeleteResponse, error) {
 	resp, err := auth.remote.RoleDelete(ctx, &pb.AuthRoleDeleteRequest{Role: role}, auth.callOpts...)
 	return (*AuthRoleDeleteResponse)(resp), toErr(ctx, err)
 }
@@ -216,8 +215,8 @@
 	auth.conn.Close()
 }
 
-func newAuthenticator(endpoint string, opts []grpc.DialOption, c *Client) (*authenticator, error) {
-	conn, err := grpc.Dial(endpoint, opts...)
+func newAuthenticator(ctx context.Context, target string, opts []grpc.DialOption, c *Client) (*authenticator, error) {
+	conn, err := grpc.DialContext(ctx, target, opts...)
 	if err != nil {
 		return nil, err
 	}
diff --git a/vendor/go.etcd.io/etcd/clientv3/balancer/balancer.go b/vendor/go.etcd.io/etcd/clientv3/balancer/balancer.go
new file mode 100644
index 0000000..25dc2b7
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/clientv3/balancer/balancer.go
@@ -0,0 +1,275 @@
+// Copyright 2018 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package balancer
+
+import (
+	"fmt"
+	"strconv"
+	"sync"
+	"time"
+
+	"go.etcd.io/etcd/clientv3/balancer/picker"
+
+	"go.uber.org/zap"
+	"google.golang.org/grpc/balancer"
+	"google.golang.org/grpc/connectivity"
+	"google.golang.org/grpc/resolver"
+	_ "google.golang.org/grpc/resolver/dns"         // register DNS resolver
+	_ "google.golang.org/grpc/resolver/passthrough" // register passthrough resolver
+)
+
+// RegisterBuilder creates and registers a builder. Since this function calls balancer.Register, it
+// must be invoked at initialization time.
+func RegisterBuilder(cfg Config) {
+	bb := &builder{cfg}
+	balancer.Register(bb)
+
+	bb.cfg.Logger.Info(
+		"registered balancer",
+		zap.String("policy", bb.cfg.Policy.String()),
+		zap.String("name", bb.cfg.Name),
+	)
+}
+
+type builder struct {
+	cfg Config
+}
+
+// Build is called initially when creating "ccBalancerWrapper".
+// "grpc.Dial" is called to this client connection.
+// Then, resolved addresses will be handled via "HandleResolvedAddrs".
+func (b *builder) Build(cc balancer.ClientConn, opt balancer.BuildOptions) balancer.Balancer {
+	bb := &baseBalancer{
+		id:     strconv.FormatInt(time.Now().UnixNano(), 36),
+		policy: b.cfg.Policy,
+		name:   b.cfg.Policy.String(),
+		lg:     b.cfg.Logger,
+
+		addrToSc: make(map[resolver.Address]balancer.SubConn),
+		scToAddr: make(map[balancer.SubConn]resolver.Address),
+		scToSt:   make(map[balancer.SubConn]connectivity.State),
+
+		currentConn: nil,
+		csEvltr:     &connectivityStateEvaluator{},
+
+		// initialize picker always returns "ErrNoSubConnAvailable"
+		Picker: picker.NewErr(balancer.ErrNoSubConnAvailable),
+	}
+	if b.cfg.Name != "" {
+		bb.name = b.cfg.Name
+	}
+	if bb.lg == nil {
+		bb.lg = zap.NewNop()
+	}
+
+	// TODO: support multiple connections
+	bb.mu.Lock()
+	bb.currentConn = cc
+	bb.mu.Unlock()
+
+	bb.lg.Info(
+		"built balancer",
+		zap.String("balancer-id", bb.id),
+		zap.String("policy", bb.policy.String()),
+		zap.String("resolver-target", cc.Target()),
+	)
+	return bb
+}
+
+// Name implements "grpc/balancer.Builder" interface.
+func (b *builder) Name() string { return b.cfg.Name }
+
+// Balancer defines client balancer interface.
+type Balancer interface {
+	// Balancer is called on specified client connection. Client initiates gRPC
+	// connection with "grpc.Dial(addr, grpc.WithBalancerName)", and then those resolved
+	// addresses are passed to "grpc/balancer.Balancer.HandleResolvedAddrs".
+	// For each resolved address, balancer calls "balancer.ClientConn.NewSubConn".
+	// "grpc/balancer.Balancer.HandleSubConnStateChange" is called when connectivity state
+	// changes, thus requires failover logic in this method.
+	balancer.Balancer
+
+	// Picker calls "Pick" for every client request.
+	picker.Picker
+}
+
+type baseBalancer struct {
+	id     string
+	policy picker.Policy
+	name   string
+	lg     *zap.Logger
+
+	mu sync.RWMutex
+
+	addrToSc map[resolver.Address]balancer.SubConn
+	scToAddr map[balancer.SubConn]resolver.Address
+	scToSt   map[balancer.SubConn]connectivity.State
+
+	currentConn  balancer.ClientConn
+	currentState connectivity.State
+	csEvltr      *connectivityStateEvaluator
+
+	picker.Picker
+}
+
+// HandleResolvedAddrs implements "grpc/balancer.Balancer" interface.
+// gRPC sends initial or updated resolved addresses from "Build".
+func (bb *baseBalancer) HandleResolvedAddrs(addrs []resolver.Address, err error) {
+	if err != nil {
+		bb.lg.Warn("HandleResolvedAddrs called with error", zap.String("balancer-id", bb.id), zap.Error(err))
+		return
+	}
+	bb.lg.Info("resolved", zap.String("balancer-id", bb.id), zap.Strings("addresses", addrsToStrings(addrs)))
+
+	bb.mu.Lock()
+	defer bb.mu.Unlock()
+
+	resolved := make(map[resolver.Address]struct{})
+	for _, addr := range addrs {
+		resolved[addr] = struct{}{}
+		if _, ok := bb.addrToSc[addr]; !ok {
+			sc, err := bb.currentConn.NewSubConn([]resolver.Address{addr}, balancer.NewSubConnOptions{})
+			if err != nil {
+				bb.lg.Warn("NewSubConn failed", zap.String("balancer-id", bb.id), zap.Error(err), zap.String("address", addr.Addr))
+				continue
+			}
+			bb.addrToSc[addr] = sc
+			bb.scToAddr[sc] = addr
+			bb.scToSt[sc] = connectivity.Idle
+			sc.Connect()
+		}
+	}
+
+	for addr, sc := range bb.addrToSc {
+		if _, ok := resolved[addr]; !ok {
+			// was removed by resolver or failed to create subconn
+			bb.currentConn.RemoveSubConn(sc)
+			delete(bb.addrToSc, addr)
+
+			bb.lg.Info(
+				"removed subconn",
+				zap.String("balancer-id", bb.id),
+				zap.String("address", addr.Addr),
+				zap.String("subconn", scToString(sc)),
+			)
+
+			// Keep the state of this sc in bb.scToSt until sc's state becomes Shutdown.
+			// The entry will be deleted in HandleSubConnStateChange.
+			// (DO NOT) delete(bb.scToAddr, sc)
+			// (DO NOT) delete(bb.scToSt, sc)
+		}
+	}
+}
+
+// HandleSubConnStateChange implements "grpc/balancer.Balancer" interface.
+func (bb *baseBalancer) HandleSubConnStateChange(sc balancer.SubConn, s connectivity.State) {
+	bb.mu.Lock()
+	defer bb.mu.Unlock()
+
+	old, ok := bb.scToSt[sc]
+	if !ok {
+		bb.lg.Warn(
+			"state change for an unknown subconn",
+			zap.String("balancer-id", bb.id),
+			zap.String("subconn", scToString(sc)),
+			zap.String("state", s.String()),
+		)
+		return
+	}
+
+	bb.lg.Info(
+		"state changed",
+		zap.String("balancer-id", bb.id),
+		zap.Bool("connected", s == connectivity.Ready),
+		zap.String("subconn", scToString(sc)),
+		zap.String("address", bb.scToAddr[sc].Addr),
+		zap.String("old-state", old.String()),
+		zap.String("new-state", s.String()),
+	)
+
+	bb.scToSt[sc] = s
+	switch s {
+	case connectivity.Idle:
+		sc.Connect()
+	case connectivity.Shutdown:
+		// When an address was removed by resolver, b called RemoveSubConn but
+		// kept the sc's state in scToSt. Remove state for this sc here.
+		delete(bb.scToAddr, sc)
+		delete(bb.scToSt, sc)
+	}
+
+	oldAggrState := bb.currentState
+	bb.currentState = bb.csEvltr.recordTransition(old, s)
+
+	// Regenerate picker when one of the following happens:
+	//  - this sc became ready from not-ready
+	//  - this sc became not-ready from ready
+	//  - the aggregated state of balancer became TransientFailure from non-TransientFailure
+	//  - the aggregated state of balancer became non-TransientFailure from TransientFailure
+	if (s == connectivity.Ready) != (old == connectivity.Ready) ||
+		(bb.currentState == connectivity.TransientFailure) != (oldAggrState == connectivity.TransientFailure) {
+		bb.regeneratePicker()
+	}
+
+	bb.currentConn.UpdateBalancerState(bb.currentState, bb.Picker)
+	return
+}
+
+func (bb *baseBalancer) regeneratePicker() {
+	if bb.currentState == connectivity.TransientFailure {
+		bb.lg.Info(
+			"generated transient error picker",
+			zap.String("balancer-id", bb.id),
+			zap.String("policy", bb.policy.String()),
+		)
+		bb.Picker = picker.NewErr(balancer.ErrTransientFailure)
+		return
+	}
+
+	// only pass ready subconns to picker
+	scs := make([]balancer.SubConn, 0)
+	addrToSc := make(map[resolver.Address]balancer.SubConn)
+	scToAddr := make(map[balancer.SubConn]resolver.Address)
+	for addr, sc := range bb.addrToSc {
+		if st, ok := bb.scToSt[sc]; ok && st == connectivity.Ready {
+			scs = append(scs, sc)
+			addrToSc[addr] = sc
+			scToAddr[sc] = addr
+		}
+	}
+
+	switch bb.policy {
+	case picker.RoundrobinBalanced:
+		bb.Picker = picker.NewRoundrobinBalanced(bb.lg, scs, addrToSc, scToAddr)
+
+	default:
+		panic(fmt.Errorf("invalid balancer picker policy (%d)", bb.policy))
+	}
+
+	bb.lg.Info(
+		"generated picker",
+		zap.String("balancer-id", bb.id),
+		zap.String("policy", bb.policy.String()),
+		zap.Strings("subconn-ready", scsToStrings(addrToSc)),
+		zap.Int("subconn-size", len(addrToSc)),
+	)
+}
+
+// Close implements "grpc/balancer.Balancer" interface.
+// Close is a nop because base balancer doesn't have internal state to clean up,
+// and it doesn't need to call RemoveSubConn for the SubConns.
+func (bb *baseBalancer) Close() {
+	// TODO
+}
diff --git a/vendor/go.etcd.io/etcd/clientv3/balancer/config.go b/vendor/go.etcd.io/etcd/clientv3/balancer/config.go
new file mode 100644
index 0000000..0339a84
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/clientv3/balancer/config.go
@@ -0,0 +1,36 @@
+// Copyright 2018 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package balancer
+
+import (
+	"go.etcd.io/etcd/clientv3/balancer/picker"
+
+	"go.uber.org/zap"
+)
+
+// Config defines balancer configurations.
+type Config struct {
+	// Policy configures balancer policy.
+	Policy picker.Policy
+
+	// Name defines an additional name for balancer.
+	// Useful for balancer testing to avoid register conflicts.
+	// If empty, defaults to policy name.
+	Name string
+
+	// Logger configures balancer logging.
+	// If nil, logs are discarded.
+	Logger *zap.Logger
+}
diff --git a/vendor/go.etcd.io/etcd/clientv3/balancer/connectivity.go b/vendor/go.etcd.io/etcd/clientv3/balancer/connectivity.go
new file mode 100644
index 0000000..6cdeb3f
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/clientv3/balancer/connectivity.go
@@ -0,0 +1,58 @@
+// Copyright 2018 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package balancer
+
+import "google.golang.org/grpc/connectivity"
+
+// connectivityStateEvaluator gets updated by addrConns when their
+// states transition, based on which it evaluates the state of
+// ClientConn.
+type connectivityStateEvaluator struct {
+	numReady            uint64 // Number of addrConns in ready state.
+	numConnecting       uint64 // Number of addrConns in connecting state.
+	numTransientFailure uint64 // Number of addrConns in transientFailure.
+}
+
+// recordTransition records state change happening in every subConn and based on
+// that it evaluates what aggregated state should be.
+// It can only transition between Ready, Connecting and TransientFailure. Other states,
+// Idle and Shutdown are transitioned into by ClientConn; in the beginning of the connection
+// before any subConn is created ClientConn is in idle state. In the end when ClientConn
+// closes it is in Shutdown state.
+//
+// recordTransition should only be called synchronously from the same goroutine.
+func (cse *connectivityStateEvaluator) recordTransition(oldState, newState connectivity.State) connectivity.State {
+	// Update counters.
+	for idx, state := range []connectivity.State{oldState, newState} {
+		updateVal := 2*uint64(idx) - 1 // -1 for oldState and +1 for new.
+		switch state {
+		case connectivity.Ready:
+			cse.numReady += updateVal
+		case connectivity.Connecting:
+			cse.numConnecting += updateVal
+		case connectivity.TransientFailure:
+			cse.numTransientFailure += updateVal
+		}
+	}
+
+	// Evaluate.
+	if cse.numReady > 0 {
+		return connectivity.Ready
+	}
+	if cse.numConnecting > 0 {
+		return connectivity.Connecting
+	}
+	return connectivity.TransientFailure
+}
diff --git a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go b/vendor/go.etcd.io/etcd/clientv3/balancer/doc.go
similarity index 79%
copy from vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go
copy to vendor/go.etcd.io/etcd/clientv3/balancer/doc.go
index 5c590e1..45af5e9 100644
--- a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go
+++ b/vendor/go.etcd.io/etcd/clientv3/balancer/doc.go
@@ -1,4 +1,4 @@
-// Copyright 2016 The etcd Authors
+// Copyright 2018 The etcd Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,9 +12,5 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package rpctypes
-
-var (
-	MetadataRequireLeaderKey = "hasleader"
-	MetadataHasLeader        = "true"
-)
+// Package balancer implements client balancer.
+package balancer
diff --git a/vendor/go.etcd.io/etcd/clientv3/health_balancer.go b/vendor/go.etcd.io/etcd/clientv3/balancer/grpc1.7-health.go
similarity index 72%
rename from vendor/go.etcd.io/etcd/clientv3/health_balancer.go
rename to vendor/go.etcd.io/etcd/clientv3/balancer/grpc1.7-health.go
index 5918cba..7d24b93 100644
--- a/vendor/go.etcd.io/etcd/clientv3/health_balancer.go
+++ b/vendor/go.etcd.io/etcd/clientv3/balancer/grpc1.7-health.go
@@ -1,4 +1,4 @@
-// Copyright 2017 The etcd Authors
+// Copyright 2018 The etcd Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,11 +12,12 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package clientv3
+package balancer
 
 import (
 	"context"
 	"errors"
+	"io/ioutil"
 	"net/url"
 	"strings"
 	"sync"
@@ -24,10 +25,14 @@
 
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/grpclog"
 	healthpb "google.golang.org/grpc/health/grpc_health_v1"
 	"google.golang.org/grpc/status"
 )
 
+// TODO: replace with something better
+var lg = grpclog.NewLoggerV2(ioutil.Discard, ioutil.Discard, ioutil.Discard)
+
 const (
 	minHealthRetryDuration = 3 * time.Second
 	unknownService         = "unknown service grpc.health.v1.Health"
@@ -38,18 +43,16 @@
 // This error is returned only when opts.BlockingWait is true.
 var ErrNoAddrAvilable = status.Error(codes.Unavailable, "there is no address available")
 
-type healthCheckFunc func(ep string) (bool, error)
-
-type notifyMsg int
+type NotifyMsg int
 
 const (
-	notifyReset notifyMsg = iota
-	notifyNext
+	NotifyReset NotifyMsg = iota
+	NotifyNext
 )
 
-// healthBalancer does the bare minimum to expose multiple eps
+// GRPC17Health does the bare minimum to expose multiple eps
 // to the grpc reconnection code path
-type healthBalancer struct {
+type GRPC17Health struct {
 	// addrs are the client's endpoint addresses for grpc
 	addrs []grpc.Address
 
@@ -64,7 +67,7 @@
 	readyOnce sync.Once
 
 	// healthCheck checks an endpoint's health.
-	healthCheck        healthCheckFunc
+	healthCheck        func(ep string) (bool, error)
 	healthCheckTimeout time.Duration
 
 	unhealthyMu        sync.RWMutex
@@ -88,7 +91,7 @@
 	donec chan struct{}
 
 	// updateAddrsC notifies updateNotifyLoop to update addrs.
-	updateAddrsC chan notifyMsg
+	updateAddrsC chan NotifyMsg
 
 	// grpc issues TLS cert checks using the string passed into dial so
 	// that string must be the host. To recover the full scheme://host URL,
@@ -102,21 +105,29 @@
 	closed bool
 }
 
-func newHealthBalancer(eps []string, timeout time.Duration, hc healthCheckFunc) *healthBalancer {
+// DialFunc defines gRPC dial function.
+type DialFunc func(ep string, dopts ...grpc.DialOption) (*grpc.ClientConn, error)
+
+// NewGRPC17Health returns a new health balancer with gRPC v1.7.
+func NewGRPC17Health(
+	eps []string,
+	timeout time.Duration,
+	dialFunc DialFunc,
+) *GRPC17Health {
 	notifyCh := make(chan []grpc.Address)
 	addrs := eps2addrs(eps)
-	hb := &healthBalancer{
+	hb := &GRPC17Health{
 		addrs:              addrs,
 		eps:                eps,
 		notifyCh:           notifyCh,
 		readyc:             make(chan struct{}),
-		healthCheck:        hc,
+		healthCheck:        func(ep string) (bool, error) { return grpcHealthCheck(ep, dialFunc) },
 		unhealthyHostPorts: make(map[string]time.Time),
 		upc:                make(chan struct{}),
 		stopc:              make(chan struct{}),
 		downc:              make(chan struct{}),
 		donec:              make(chan struct{}),
-		updateAddrsC:       make(chan notifyMsg),
+		updateAddrsC:       make(chan NotifyMsg),
 		hostPort2ep:        getHostPort2ep(eps),
 	}
 	if timeout < minHealthRetryDuration {
@@ -134,78 +145,81 @@
 	return hb
 }
 
-func (b *healthBalancer) Start(target string, config grpc.BalancerConfig) error { return nil }
+func (b *GRPC17Health) Start(target string, config grpc.BalancerConfig) error { return nil }
 
-func (b *healthBalancer) ConnectNotify() <-chan struct{} {
+func (b *GRPC17Health) ConnectNotify() <-chan struct{} {
 	b.mu.Lock()
 	defer b.mu.Unlock()
 	return b.upc
 }
 
-func (b *healthBalancer) ready() <-chan struct{} { return b.readyc }
+func (b *GRPC17Health) UpdateAddrsC() chan NotifyMsg { return b.updateAddrsC }
+func (b *GRPC17Health) StopC() chan struct{}         { return b.stopc }
 
-func (b *healthBalancer) endpoint(hostPort string) string {
+func (b *GRPC17Health) Ready() <-chan struct{} { return b.readyc }
+
+func (b *GRPC17Health) Endpoint(hostPort string) string {
 	b.mu.RLock()
 	defer b.mu.RUnlock()
 	return b.hostPort2ep[hostPort]
 }
 
-func (b *healthBalancer) pinned() string {
+func (b *GRPC17Health) Pinned() string {
 	b.mu.RLock()
 	defer b.mu.RUnlock()
 	return b.pinAddr
 }
 
-func (b *healthBalancer) hostPortError(hostPort string, err error) {
-	if b.endpoint(hostPort) == "" {
-		logger.Lvl(4).Infof("clientv3/balancer: %q is stale (skip marking as unhealthy on %q)", hostPort, err.Error())
+func (b *GRPC17Health) HostPortError(hostPort string, err error) {
+	if b.Endpoint(hostPort) == "" {
+		lg.Infof("clientv3/balancer: %q is stale (skip marking as unhealthy on %q)", hostPort, err.Error())
 		return
 	}
 
 	b.unhealthyMu.Lock()
 	b.unhealthyHostPorts[hostPort] = time.Now()
 	b.unhealthyMu.Unlock()
-	logger.Lvl(4).Infof("clientv3/balancer: %q is marked unhealthy (%q)", hostPort, err.Error())
+	lg.Infof("clientv3/balancer: %q is marked unhealthy (%q)", hostPort, err.Error())
 }
 
-func (b *healthBalancer) removeUnhealthy(hostPort, msg string) {
-	if b.endpoint(hostPort) == "" {
-		logger.Lvl(4).Infof("clientv3/balancer: %q was not in unhealthy (%q)", hostPort, msg)
+func (b *GRPC17Health) removeUnhealthy(hostPort, msg string) {
+	if b.Endpoint(hostPort) == "" {
+		lg.Infof("clientv3/balancer: %q was not in unhealthy (%q)", hostPort, msg)
 		return
 	}
 
 	b.unhealthyMu.Lock()
 	delete(b.unhealthyHostPorts, hostPort)
 	b.unhealthyMu.Unlock()
-	logger.Lvl(4).Infof("clientv3/balancer: %q is removed from unhealthy (%q)", hostPort, msg)
+	lg.Infof("clientv3/balancer: %q is removed from unhealthy (%q)", hostPort, msg)
 }
 
-func (b *healthBalancer) countUnhealthy() (count int) {
+func (b *GRPC17Health) countUnhealthy() (count int) {
 	b.unhealthyMu.RLock()
 	count = len(b.unhealthyHostPorts)
 	b.unhealthyMu.RUnlock()
 	return count
 }
 
-func (b *healthBalancer) isUnhealthy(hostPort string) (unhealthy bool) {
+func (b *GRPC17Health) isUnhealthy(hostPort string) (unhealthy bool) {
 	b.unhealthyMu.RLock()
 	_, unhealthy = b.unhealthyHostPorts[hostPort]
 	b.unhealthyMu.RUnlock()
 	return unhealthy
 }
 
-func (b *healthBalancer) cleanupUnhealthy() {
+func (b *GRPC17Health) cleanupUnhealthy() {
 	b.unhealthyMu.Lock()
 	for k, v := range b.unhealthyHostPorts {
 		if time.Since(v) > b.healthCheckTimeout {
 			delete(b.unhealthyHostPorts, k)
-			logger.Lvl(4).Infof("clientv3/balancer: removed %q from unhealthy after %v", k, b.healthCheckTimeout)
+			lg.Infof("clientv3/balancer: removed %q from unhealthy after %v", k, b.healthCheckTimeout)
 		}
 	}
 	b.unhealthyMu.Unlock()
 }
 
-func (b *healthBalancer) liveAddrs() ([]grpc.Address, map[string]struct{}) {
+func (b *GRPC17Health) liveAddrs() ([]grpc.Address, map[string]struct{}) {
 	unhealthyCnt := b.countUnhealthy()
 
 	b.mu.RLock()
@@ -231,15 +245,15 @@
 	return addrs, liveHostPorts
 }
 
-func (b *healthBalancer) updateUnhealthy() {
+func (b *GRPC17Health) updateUnhealthy() {
 	for {
 		select {
 		case <-time.After(b.healthCheckTimeout):
 			b.cleanupUnhealthy()
-			pinned := b.pinned()
+			pinned := b.Pinned()
 			if pinned == "" || b.isUnhealthy(pinned) {
 				select {
-				case b.updateAddrsC <- notifyNext:
+				case b.updateAddrsC <- NotifyNext:
 				case <-b.stopc:
 					return
 				}
@@ -250,7 +264,19 @@
 	}
 }
 
-func (b *healthBalancer) updateAddrs(eps ...string) {
+// NeedUpdate returns true if all connections are down or
+// addresses do not include current pinned address.
+func (b *GRPC17Health) NeedUpdate() bool {
+	// updating notifyCh can trigger new connections,
+	// need update addrs if all connections are down
+	// or addrs does not include pinAddr.
+	b.mu.RLock()
+	update := !hasAddr(b.addrs, b.pinAddr)
+	b.mu.RUnlock()
+	return update
+}
+
+func (b *GRPC17Health) UpdateAddrs(eps ...string) {
 	np := getHostPort2ep(eps)
 
 	b.mu.Lock()
@@ -278,12 +304,12 @@
 	b.unhealthyMu.Unlock()
 }
 
-func (b *healthBalancer) next() {
+func (b *GRPC17Health) Next() {
 	b.mu.RLock()
 	downc := b.downc
 	b.mu.RUnlock()
 	select {
-	case b.updateAddrsC <- notifyNext:
+	case b.updateAddrsC <- NotifyNext:
 	case <-b.stopc:
 	}
 	// wait until disconnect so new RPCs are not issued on old connection
@@ -293,7 +319,7 @@
 	}
 }
 
-func (b *healthBalancer) updateNotifyLoop() {
+func (b *GRPC17Health) updateNotifyLoop() {
 	defer close(b.donec)
 
 	for {
@@ -320,7 +346,7 @@
 			default:
 			}
 		case downc == nil:
-			b.notifyAddrs(notifyReset)
+			b.notifyAddrs(NotifyReset)
 			select {
 			case <-upc:
 			case msg := <-b.updateAddrsC:
@@ -338,7 +364,7 @@
 			}
 			select {
 			case <-downc:
-				b.notifyAddrs(notifyReset)
+				b.notifyAddrs(NotifyReset)
 			case msg := <-b.updateAddrsC:
 				b.notifyAddrs(msg)
 			case <-b.stopc:
@@ -348,8 +374,8 @@
 	}
 }
 
-func (b *healthBalancer) notifyAddrs(msg notifyMsg) {
-	if msg == notifyNext {
+func (b *GRPC17Health) notifyAddrs(msg NotifyMsg) {
+	if msg == NotifyNext {
 		select {
 		case b.notifyCh <- []grpc.Address{}:
 		case <-b.stopc:
@@ -380,7 +406,7 @@
 	}
 }
 
-func (b *healthBalancer) Up(addr grpc.Address) func(error) {
+func (b *GRPC17Health) Up(addr grpc.Address) func(error) {
 	if !b.mayPin(addr) {
 		return func(err error) {}
 	}
@@ -402,7 +428,7 @@
 	}
 
 	if b.pinAddr != "" {
-		logger.Lvl(4).Infof("clientv3/balancer: %q is up but not pinned (already pinned %q)", addr.Addr, b.pinAddr)
+		lg.Infof("clientv3/balancer: %q is up but not pinned (already pinned %q)", addr.Addr, b.pinAddr)
 		return func(err error) {}
 	}
 
@@ -410,7 +436,7 @@
 	close(b.upc)
 	b.downc = make(chan struct{})
 	b.pinAddr = addr.Addr
-	logger.Lvl(4).Infof("clientv3/balancer: pin %q", addr.Addr)
+	lg.Infof("clientv3/balancer: pin %q", addr.Addr)
 
 	// notify client that a connection is up
 	b.readyOnce.Do(func() { close(b.readyc) })
@@ -420,19 +446,19 @@
 		// timeout will induce a network I/O error, and retrying until success;
 		// finding healthy endpoint on retry could take several timeouts and redials.
 		// To avoid wasting retries, gray-list unhealthy endpoints.
-		b.hostPortError(addr.Addr, err)
+		b.HostPortError(addr.Addr, err)
 
 		b.mu.Lock()
 		b.upc = make(chan struct{})
 		close(b.downc)
 		b.pinAddr = ""
 		b.mu.Unlock()
-		logger.Lvl(4).Infof("clientv3/balancer: unpin %q (%q)", addr.Addr, err.Error())
+		lg.Infof("clientv3/balancer: unpin %q (%q)", addr.Addr, err.Error())
 	}
 }
 
-func (b *healthBalancer) mayPin(addr grpc.Address) bool {
-	if b.endpoint(addr.Addr) == "" { // stale host:port
+func (b *GRPC17Health) mayPin(addr grpc.Address) bool {
+	if b.Endpoint(addr.Addr) == "" { // stale host:port
 		return false
 	}
 
@@ -454,7 +480,7 @@
 	//   3. grpc-healthcheck still SERVING, thus retry to pin
 	// instead, return before grpc-healthcheck if failed within healthcheck timeout
 	if elapsed := time.Since(failedTime); elapsed < b.healthCheckTimeout {
-		logger.Lvl(4).Infof("clientv3/balancer: %q is up but not pinned (failed %v ago, require minimum %v after failure)", addr.Addr, elapsed, b.healthCheckTimeout)
+		lg.Infof("clientv3/balancer: %q is up but not pinned (failed %v ago, require minimum %v after failure)", addr.Addr, elapsed, b.healthCheckTimeout)
 		return false
 	}
 
@@ -463,11 +489,11 @@
 		return true
 	}
 
-	b.hostPortError(addr.Addr, errors.New("health check failed"))
+	b.HostPortError(addr.Addr, errors.New("health check failed"))
 	return false
 }
 
-func (b *healthBalancer) Get(ctx context.Context, opts grpc.BalancerGetOptions) (grpc.Address, func(), error) {
+func (b *GRPC17Health) Get(ctx context.Context, opts grpc.BalancerGetOptions) (grpc.Address, func(), error) {
 	var (
 		addr   string
 		closed bool
@@ -515,9 +541,9 @@
 	return grpc.Address{Addr: addr}, func() {}, nil
 }
 
-func (b *healthBalancer) Notify() <-chan []grpc.Address { return b.notifyCh }
+func (b *GRPC17Health) Notify() <-chan []grpc.Address { return b.notifyCh }
 
-func (b *healthBalancer) Close() error {
+func (b *GRPC17Health) Close() error {
 	b.mu.Lock()
 	// In case gRPC calls close twice. TODO: remove the checking
 	// when we are sure that gRPC wont call close twice.
@@ -553,8 +579,8 @@
 	return nil
 }
 
-func grpcHealthCheck(client *Client, ep string) (bool, error) {
-	conn, err := client.dial(ep)
+func grpcHealthCheck(ep string, dialFunc func(ep string, dopts ...grpc.DialOption) (*grpc.ClientConn, error)) (bool, error) {
+	conn, err := dialFunc(ep)
 	if err != nil {
 		return false, err
 	}
@@ -607,3 +633,25 @@
 	}
 	return hm
 }
+
+func parseEndpoint(endpoint string) (proto string, host string, scheme string) {
+	proto = "tcp"
+	host = endpoint
+	url, uerr := url.Parse(endpoint)
+	if uerr != nil || !strings.Contains(endpoint, "://") {
+		return proto, host, scheme
+	}
+	scheme = url.Scheme
+
+	// strip scheme:// prefix since grpc dials by host
+	host = url.Host
+	switch url.Scheme {
+	case "http", "https":
+	case "unix", "unixs":
+		proto = "unix"
+		host = url.Host + url.Path
+	default:
+		proto, host = "", ""
+	}
+	return proto, host, scheme
+}
diff --git a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go b/vendor/go.etcd.io/etcd/clientv3/balancer/picker/doc.go
similarity index 79%
copy from vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go
copy to vendor/go.etcd.io/etcd/clientv3/balancer/picker/doc.go
index 5c590e1..35dabf5 100644
--- a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go
+++ b/vendor/go.etcd.io/etcd/clientv3/balancer/picker/doc.go
@@ -1,4 +1,4 @@
-// Copyright 2016 The etcd Authors
+// Copyright 2018 The etcd Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,9 +12,5 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package rpctypes
-
-var (
-	MetadataRequireLeaderKey = "hasleader"
-	MetadataHasLeader        = "true"
-)
+// Package picker defines/implements client balancer picker policy.
+package picker
diff --git a/vendor/go.etcd.io/etcd/clientv3/balancer/picker/err.go b/vendor/go.etcd.io/etcd/clientv3/balancer/picker/err.go
new file mode 100644
index 0000000..c70ce15
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/clientv3/balancer/picker/err.go
@@ -0,0 +1,34 @@
+// Copyright 2018 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package picker
+
+import (
+	"context"
+
+	"google.golang.org/grpc/balancer"
+)
+
+// NewErr returns a picker that always returns err on "Pick".
+func NewErr(err error) Picker {
+	return &errPicker{err: err}
+}
+
+type errPicker struct {
+	err error
+}
+
+func (p *errPicker) Pick(context.Context, balancer.PickOptions) (balancer.SubConn, func(balancer.DoneInfo), error) {
+	return nil, nil, p.err
+}
diff --git a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go b/vendor/go.etcd.io/etcd/clientv3/balancer/picker/picker.go
similarity index 75%
copy from vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go
copy to vendor/go.etcd.io/etcd/clientv3/balancer/picker/picker.go
index 5c590e1..7ea761b 100644
--- a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go
+++ b/vendor/go.etcd.io/etcd/clientv3/balancer/picker/picker.go
@@ -1,4 +1,4 @@
-// Copyright 2016 The etcd Authors
+// Copyright 2018 The etcd Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,9 +12,13 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package rpctypes
+package picker
 
-var (
-	MetadataRequireLeaderKey = "hasleader"
-	MetadataHasLeader        = "true"
+import (
+	"google.golang.org/grpc/balancer"
 )
+
+// Picker defines balancer Picker methods.
+type Picker interface {
+	balancer.Picker
+}
diff --git a/vendor/go.etcd.io/etcd/clientv3/balancer/picker/picker_policy.go b/vendor/go.etcd.io/etcd/clientv3/balancer/picker/picker_policy.go
new file mode 100644
index 0000000..463ddc2
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/clientv3/balancer/picker/picker_policy.go
@@ -0,0 +1,49 @@
+// Copyright 2018 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package picker
+
+import "fmt"
+
+// Policy defines balancer picker policy.
+type Policy uint8
+
+const (
+	// TODO: custom picker is not supported yet.
+	// custom defines custom balancer picker.
+	custom Policy = iota
+
+	// RoundrobinBalanced balance loads over multiple endpoints
+	// and implements failover in roundrobin fashion.
+	RoundrobinBalanced Policy = iota
+
+	// TODO: only send loads to pinned address "RoundrobinFailover"
+	// just like how 3.3 client works
+	//
+	// TODO: priotize leader
+	// TODO: health-check
+	// TODO: weighted roundrobin
+	// TODO: power of two random choice
+)
+
+func (p Policy) String() string {
+	switch p {
+	case custom:
+		panic("'custom' picker policy is not supported yet")
+	case RoundrobinBalanced:
+		return "etcd-client-roundrobin-balanced"
+	default:
+		panic(fmt.Errorf("invalid balancer picker policy (%d)", p))
+	}
+}
diff --git a/vendor/go.etcd.io/etcd/clientv3/balancer/picker/roundrobin_balanced.go b/vendor/go.etcd.io/etcd/clientv3/balancer/picker/roundrobin_balanced.go
new file mode 100644
index 0000000..b043d57
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/clientv3/balancer/picker/roundrobin_balanced.go
@@ -0,0 +1,92 @@
+// Copyright 2018 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package picker
+
+import (
+	"context"
+	"sync"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+	"google.golang.org/grpc/balancer"
+	"google.golang.org/grpc/resolver"
+)
+
+// NewRoundrobinBalanced returns a new roundrobin balanced picker.
+func NewRoundrobinBalanced(
+	lg *zap.Logger,
+	scs []balancer.SubConn,
+	addrToSc map[resolver.Address]balancer.SubConn,
+	scToAddr map[balancer.SubConn]resolver.Address,
+) Picker {
+	return &rrBalanced{
+		lg:       lg,
+		scs:      scs,
+		addrToSc: addrToSc,
+		scToAddr: scToAddr,
+	}
+}
+
+type rrBalanced struct {
+	lg *zap.Logger
+
+	mu   sync.RWMutex
+	next int
+	scs  []balancer.SubConn
+
+	addrToSc map[resolver.Address]balancer.SubConn
+	scToAddr map[balancer.SubConn]resolver.Address
+}
+
+// Pick is called for every client request.
+func (rb *rrBalanced) Pick(ctx context.Context, opts balancer.PickOptions) (balancer.SubConn, func(balancer.DoneInfo), error) {
+	rb.mu.RLock()
+	n := len(rb.scs)
+	rb.mu.RUnlock()
+	if n == 0 {
+		return nil, nil, balancer.ErrNoSubConnAvailable
+	}
+
+	rb.mu.Lock()
+	cur := rb.next
+	sc := rb.scs[cur]
+	picked := rb.scToAddr[sc].Addr
+	rb.next = (rb.next + 1) % len(rb.scs)
+	rb.mu.Unlock()
+
+	rb.lg.Debug(
+		"picked",
+		zap.String("address", picked),
+		zap.Int("subconn-index", cur),
+		zap.Int("subconn-size", n),
+	)
+
+	doneFunc := func(info balancer.DoneInfo) {
+		// TODO: error handling?
+		fss := []zapcore.Field{
+			zap.Error(info.Err),
+			zap.String("address", picked),
+			zap.Bool("success", info.Err == nil),
+			zap.Bool("bytes-sent", info.BytesSent),
+			zap.Bool("bytes-received", info.BytesReceived),
+		}
+		if info.Err == nil {
+			rb.lg.Debug("balancer done", fss...)
+		} else {
+			rb.lg.Warn("balancer failed", fss...)
+		}
+	}
+	return sc, doneFunc, nil
+}
diff --git a/vendor/go.etcd.io/etcd/clientv3/balancer/resolver/endpoint/endpoint.go b/vendor/go.etcd.io/etcd/clientv3/balancer/resolver/endpoint/endpoint.go
new file mode 100644
index 0000000..1f32039
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/clientv3/balancer/resolver/endpoint/endpoint.go
@@ -0,0 +1,240 @@
+// Copyright 2018 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package endpoint resolves etcd entpoints using grpc targets of the form 'endpoint://<id>/<endpoint>'.
+package endpoint
+
+import (
+	"fmt"
+	"net/url"
+	"strings"
+	"sync"
+
+	"google.golang.org/grpc/resolver"
+)
+
+const scheme = "endpoint"
+
+var (
+	targetPrefix = fmt.Sprintf("%s://", scheme)
+
+	bldr *builder
+)
+
+func init() {
+	bldr = &builder{
+		resolverGroups: make(map[string]*ResolverGroup),
+	}
+	resolver.Register(bldr)
+}
+
+type builder struct {
+	mu             sync.RWMutex
+	resolverGroups map[string]*ResolverGroup
+}
+
+// NewResolverGroup creates a new ResolverGroup with the given id.
+func NewResolverGroup(id string) (*ResolverGroup, error) {
+	return bldr.newResolverGroup(id)
+}
+
+// ResolverGroup keeps all endpoints of resolvers using a common endpoint://<id>/ target
+// up-to-date.
+type ResolverGroup struct {
+	mu        sync.RWMutex
+	id        string
+	endpoints []string
+	resolvers []*Resolver
+}
+
+func (e *ResolverGroup) addResolver(r *Resolver) {
+	e.mu.Lock()
+	addrs := epsToAddrs(e.endpoints...)
+	e.resolvers = append(e.resolvers, r)
+	e.mu.Unlock()
+	r.cc.NewAddress(addrs)
+}
+
+func (e *ResolverGroup) removeResolver(r *Resolver) {
+	e.mu.Lock()
+	for i, er := range e.resolvers {
+		if er == r {
+			e.resolvers = append(e.resolvers[:i], e.resolvers[i+1:]...)
+			break
+		}
+	}
+	e.mu.Unlock()
+}
+
+// SetEndpoints updates the endpoints for ResolverGroup. All registered resolver are updated
+// immediately with the new endpoints.
+func (e *ResolverGroup) SetEndpoints(endpoints []string) {
+	addrs := epsToAddrs(endpoints...)
+	e.mu.Lock()
+	e.endpoints = endpoints
+	for _, r := range e.resolvers {
+		r.cc.NewAddress(addrs)
+	}
+	e.mu.Unlock()
+}
+
+// Target constructs a endpoint target using the endpoint id of the ResolverGroup.
+func (e *ResolverGroup) Target(endpoint string) string {
+	return Target(e.id, endpoint)
+}
+
+// Target constructs a endpoint resolver target.
+func Target(id, endpoint string) string {
+	return fmt.Sprintf("%s://%s/%s", scheme, id, endpoint)
+}
+
+// IsTarget checks if a given target string in an endpoint resolver target.
+func IsTarget(target string) bool {
+	return strings.HasPrefix(target, "endpoint://")
+}
+
+func (e *ResolverGroup) Close() {
+	bldr.close(e.id)
+}
+
+// Build creates or reuses an etcd resolver for the etcd cluster name identified by the authority part of the target.
+func (b *builder) Build(target resolver.Target, cc resolver.ClientConn, opts resolver.BuildOption) (resolver.Resolver, error) {
+	if len(target.Authority) < 1 {
+		return nil, fmt.Errorf("'etcd' target scheme requires non-empty authority identifying etcd cluster being routed to")
+	}
+	id := target.Authority
+	es, err := b.getResolverGroup(id)
+	if err != nil {
+		return nil, fmt.Errorf("failed to build resolver: %v", err)
+	}
+	r := &Resolver{
+		endpointID: id,
+		cc:         cc,
+	}
+	es.addResolver(r)
+	return r, nil
+}
+
+func (b *builder) newResolverGroup(id string) (*ResolverGroup, error) {
+	b.mu.RLock()
+	_, ok := b.resolverGroups[id]
+	b.mu.RUnlock()
+	if ok {
+		return nil, fmt.Errorf("Endpoint already exists for id: %s", id)
+	}
+
+	es := &ResolverGroup{id: id}
+	b.mu.Lock()
+	b.resolverGroups[id] = es
+	b.mu.Unlock()
+	return es, nil
+}
+
+func (b *builder) getResolverGroup(id string) (*ResolverGroup, error) {
+	b.mu.RLock()
+	es, ok := b.resolverGroups[id]
+	b.mu.RUnlock()
+	if !ok {
+		return nil, fmt.Errorf("ResolverGroup not found for id: %s", id)
+	}
+	return es, nil
+}
+
+func (b *builder) close(id string) {
+	b.mu.Lock()
+	delete(b.resolverGroups, id)
+	b.mu.Unlock()
+}
+
+func (b *builder) Scheme() string {
+	return scheme
+}
+
+// Resolver provides a resolver for a single etcd cluster, identified by name.
+type Resolver struct {
+	endpointID string
+	cc         resolver.ClientConn
+	sync.RWMutex
+}
+
+// TODO: use balancer.epsToAddrs
+func epsToAddrs(eps ...string) (addrs []resolver.Address) {
+	addrs = make([]resolver.Address, 0, len(eps))
+	for _, ep := range eps {
+		addrs = append(addrs, resolver.Address{Addr: ep})
+	}
+	return addrs
+}
+
+func (*Resolver) ResolveNow(o resolver.ResolveNowOption) {}
+
+func (r *Resolver) Close() {
+	es, err := bldr.getResolverGroup(r.endpointID)
+	if err != nil {
+		return
+	}
+	es.removeResolver(r)
+}
+
+// ParseEndpoint endpoint parses an endpoint of the form
+// (http|https)://<host>*|(unix|unixs)://<path>)
+// and returns a protocol ('tcp' or 'unix'),
+// host (or filepath if a unix socket),
+// scheme (http, https, unix, unixs).
+func ParseEndpoint(endpoint string) (proto string, host string, scheme string) {
+	proto = "tcp"
+	host = endpoint
+	url, uerr := url.Parse(endpoint)
+	if uerr != nil || !strings.Contains(endpoint, "://") {
+		return proto, host, scheme
+	}
+	scheme = url.Scheme
+
+	// strip scheme:// prefix since grpc dials by host
+	host = url.Host
+	switch url.Scheme {
+	case "http", "https":
+	case "unix", "unixs":
+		proto = "unix"
+		host = url.Host + url.Path
+	default:
+		proto, host = "", ""
+	}
+	return proto, host, scheme
+}
+
+// ParseTarget parses a endpoint://<id>/<endpoint> string and returns the parsed id and endpoint.
+// If the target is malformed, an error is returned.
+func ParseTarget(target string) (string, string, error) {
+	noPrefix := strings.TrimPrefix(target, targetPrefix)
+	if noPrefix == target {
+		return "", "", fmt.Errorf("malformed target, %s prefix is required: %s", targetPrefix, target)
+	}
+	parts := strings.SplitN(noPrefix, "/", 2)
+	if len(parts) != 2 {
+		return "", "", fmt.Errorf("malformed target, expected %s://<id>/<endpoint>, but got %s", scheme, target)
+	}
+	return parts[0], parts[1], nil
+}
+
+// ParseHostPort splits a "<host>:<port>" string into the host and port parts.
+// The port part is optional.
+func ParseHostPort(hostPort string) (host string, port string) {
+	parts := strings.SplitN(hostPort, ":", 2)
+	host = parts[0]
+	if len(parts) > 1 {
+		port = parts[1]
+	}
+	return host, port
+}
diff --git a/vendor/go.etcd.io/etcd/clientv3/balancer/utils.go b/vendor/go.etcd.io/etcd/clientv3/balancer/utils.go
new file mode 100644
index 0000000..a11faeb
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/clientv3/balancer/utils.go
@@ -0,0 +1,68 @@
+// Copyright 2018 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package balancer
+
+import (
+	"fmt"
+	"net/url"
+	"sort"
+	"sync/atomic"
+	"time"
+
+	"google.golang.org/grpc/balancer"
+	"google.golang.org/grpc/resolver"
+)
+
+func scToString(sc balancer.SubConn) string {
+	return fmt.Sprintf("%p", sc)
+}
+
+func scsToStrings(scs map[resolver.Address]balancer.SubConn) (ss []string) {
+	ss = make([]string, 0, len(scs))
+	for a, sc := range scs {
+		ss = append(ss, fmt.Sprintf("%s (%s)", a.Addr, scToString(sc)))
+	}
+	sort.Strings(ss)
+	return ss
+}
+
+func addrsToStrings(addrs []resolver.Address) (ss []string) {
+	ss = make([]string, len(addrs))
+	for i := range addrs {
+		ss[i] = addrs[i].Addr
+	}
+	sort.Strings(ss)
+	return ss
+}
+
+func epsToAddrs(eps ...string) (addrs []resolver.Address) {
+	addrs = make([]resolver.Address, 0, len(eps))
+	for _, ep := range eps {
+		u, err := url.Parse(ep)
+		if err != nil {
+			addrs = append(addrs, resolver.Address{Addr: ep, Type: resolver.Backend})
+			continue
+		}
+		addrs = append(addrs, resolver.Address{Addr: u.Host, Type: resolver.Backend})
+	}
+	return addrs
+}
+
+var genN = new(uint32)
+
+func genName() string {
+	now := time.Now().UnixNano()
+	return fmt.Sprintf("%X%X", now, atomic.AddUint32(genN, 1))
+}
diff --git a/vendor/go.etcd.io/etcd/clientv3/client.go b/vendor/go.etcd.io/etcd/clientv3/client.go
index 7132807..276b0f0 100644
--- a/vendor/go.etcd.io/etcd/clientv3/client.go
+++ b/vendor/go.etcd.io/etcd/clientv3/client.go
@@ -21,13 +21,18 @@
 	"fmt"
 	"net"
 	"net/url"
+	"os"
 	"strconv"
 	"strings"
 	"sync"
 	"time"
 
-	"github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes"
-
+	"github.com/google/uuid"
+	"go.etcd.io/etcd/clientv3/balancer"
+	"go.etcd.io/etcd/clientv3/balancer/picker"
+	"go.etcd.io/etcd/clientv3/balancer/resolver/endpoint"
+	"go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes"
+	"go.uber.org/zap"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/credentials"
@@ -39,8 +44,26 @@
 var (
 	ErrNoAvailableEndpoints = errors.New("etcdclient: no available endpoints")
 	ErrOldCluster           = errors.New("etcdclient: old cluster version")
+
+	roundRobinBalancerName = fmt.Sprintf("etcd-%s", picker.RoundrobinBalanced.String())
 )
 
+func init() {
+	lg := zap.NewNop()
+	if os.Getenv("ETCD_CLIENT_DEBUG") != "" {
+		var err error
+		lg, err = zap.NewProductionConfig().Build() // info level logging
+		if err != nil {
+			panic(err)
+		}
+	}
+	balancer.RegisterBuilder(balancer.Config{
+		Policy: picker.RoundrobinBalanced,
+		Name:   roundRobinBalancerName,
+		Logger: lg,
+	})
+}
+
 // Client provides and manages an etcd v3 client session.
 type Client struct {
 	Cluster
@@ -50,13 +73,13 @@
 	Auth
 	Maintenance
 
-	conn     *grpc.ClientConn
-	dialerrc chan error
+	conn *grpc.ClientConn
 
-	cfg      Config
-	creds    *credentials.TransportCredentials
-	balancer *healthBalancer
-	mu       *sync.Mutex
+	cfg           Config
+	creds         *credentials.TransportCredentials
+	balancer      balancer.Balancer
+	resolverGroup *endpoint.ResolverGroup
+	mu            *sync.Mutex
 
 	ctx    context.Context
 	cancel context.CancelFunc
@@ -69,6 +92,8 @@
 	tokenCred *authTokenCredential
 
 	callOpts []grpc.CallOption
+
+	lg *zap.Logger
 }
 
 // New creates a new etcdv3 client from a given configuration.
@@ -93,11 +118,19 @@
 	return New(Config{Endpoints: []string{url}})
 }
 
+// NewFromURLs creates a new etcdv3 client from URLs.
+func NewFromURLs(urls []string) (*Client, error) {
+	return New(Config{Endpoints: urls})
+}
+
 // Close shuts down the client's etcd connections.
 func (c *Client) Close() error {
 	c.cancel()
 	c.Watcher.Close()
 	c.Lease.Close()
+	if c.resolverGroup != nil {
+		c.resolverGroup.Close()
+	}
 	if c.conn != nil {
 		return toErr(c.ctx, c.conn.Close())
 	}
@@ -120,22 +153,9 @@
 // SetEndpoints updates client's endpoints.
 func (c *Client) SetEndpoints(eps ...string) {
 	c.mu.Lock()
+	defer c.mu.Unlock()
 	c.cfg.Endpoints = eps
-	c.mu.Unlock()
-	c.balancer.updateAddrs(eps...)
-
-	// updating notifyCh can trigger new connections,
-	// need update addrs if all connections are down
-	// or addrs does not include pinAddr.
-	c.balancer.mu.RLock()
-	update := !hasAddr(c.balancer.addrs, c.balancer.pinAddr)
-	c.balancer.mu.RUnlock()
-	if update {
-		select {
-		case c.balancer.updateAddrsC <- notifyNext:
-		case <-c.balancer.stopc:
-		}
-	}
+	c.resolverGroup.SetEndpoints(eps)
 }
 
 // Sync synchronizes client's endpoints with the known endpoints from the etcd membership.
@@ -166,7 +186,7 @@
 			err := c.Sync(ctx)
 			cancel()
 			if err != nil && err != c.ctx.Err() {
-				logger.Println("Auto sync endpoints failed:", err)
+				lg.Lvl(4).Infof("Auto sync endpoints failed: %v", err)
 			}
 		}
 	}
@@ -185,32 +205,10 @@
 	cred.tokenMu.RLock()
 	defer cred.tokenMu.RUnlock()
 	return map[string]string{
-		"token": cred.token,
+		rpctypes.TokenFieldNameGRPC: cred.token,
 	}, nil
 }
 
-func parseEndpoint(endpoint string) (proto string, host string, scheme string) {
-	proto = "tcp"
-	host = endpoint
-	url, uerr := url.Parse(endpoint)
-	if uerr != nil || !strings.Contains(endpoint, "://") {
-		return proto, host, scheme
-	}
-	scheme = url.Scheme
-
-	// strip scheme:// prefix since grpc dials by host
-	host = url.Host
-	switch url.Scheme {
-	case "http", "https":
-	case "unix", "unixs":
-		proto = "unix"
-		host = url.Host + url.Path
-	default:
-		proto, host = "", ""
-	}
-	return proto, host, scheme
-}
-
 func (c *Client) processCreds(scheme string) (creds *credentials.TransportCredentials) {
 	creds = c.creds
 	switch scheme {
@@ -230,63 +228,60 @@
 	return creds
 }
 
-// dialSetupOpts gives the dial opts prior to any authentication
-func (c *Client) dialSetupOpts(endpoint string, dopts ...grpc.DialOption) (opts []grpc.DialOption) {
-	if c.cfg.DialTimeout > 0 {
-		opts = []grpc.DialOption{grpc.WithTimeout(c.cfg.DialTimeout)}
-	}
+// dialSetupOpts gives the dial opts prior to any authentication.
+func (c *Client) dialSetupOpts(creds *credentials.TransportCredentials, dopts ...grpc.DialOption) (opts []grpc.DialOption, err error) {
 	if c.cfg.DialKeepAliveTime > 0 {
 		params := keepalive.ClientParameters{
-			Time:    c.cfg.DialKeepAliveTime,
-			Timeout: c.cfg.DialKeepAliveTimeout,
+			Time:                c.cfg.DialKeepAliveTime,
+			Timeout:             c.cfg.DialKeepAliveTimeout,
+			PermitWithoutStream: c.cfg.PermitWithoutStream,
 		}
 		opts = append(opts, grpc.WithKeepaliveParams(params))
 	}
 	opts = append(opts, dopts...)
 
-	f := func(host string, t time.Duration) (net.Conn, error) {
-		proto, host, _ := parseEndpoint(c.balancer.endpoint(host))
-		if host == "" && endpoint != "" {
-			// dialing an endpoint not in the balancer; use
-			// endpoint passed into dial
-			proto, host, _ = parseEndpoint(endpoint)
-		}
-		if proto == "" {
-			return nil, fmt.Errorf("unknown scheme for %q", host)
-		}
+	// Provide a net dialer that supports cancelation and timeout.
+	f := func(dialEp string, t time.Duration) (net.Conn, error) {
+		proto, host, _ := endpoint.ParseEndpoint(dialEp)
 		select {
 		case <-c.ctx.Done():
 			return nil, c.ctx.Err()
 		default:
 		}
 		dialer := &net.Dialer{Timeout: t}
-		conn, err := dialer.DialContext(c.ctx, proto, host)
-		if err != nil {
-			select {
-			case c.dialerrc <- err:
-			default:
-			}
-		}
-		return conn, err
+		return dialer.DialContext(c.ctx, proto, host)
 	}
 	opts = append(opts, grpc.WithDialer(f))
 
-	creds := c.creds
-	if _, _, scheme := parseEndpoint(endpoint); len(scheme) != 0 {
-		creds = c.processCreds(scheme)
-	}
 	if creds != nil {
 		opts = append(opts, grpc.WithTransportCredentials(*creds))
 	} else {
 		opts = append(opts, grpc.WithInsecure())
 	}
 
-	return opts
+	// Interceptor retry and backoff.
+	// TODO: Replace all of clientv3/retry.go with interceptor based retry, or with
+	// https://github.com/grpc/proposal/blob/master/A6-client-retries.md#retry-policy
+	// once it is available.
+	rrBackoff := withBackoff(c.roundRobinQuorumBackoff(defaultBackoffWaitBetween, defaultBackoffJitterFraction))
+	opts = append(opts,
+		// Disable stream retry by default since go-grpc-middleware/retry does not support client streams.
+		// Streams that are safe to retry are enabled individually.
+		grpc.WithStreamInterceptor(c.streamClientInterceptor(c.lg, withMax(0), rrBackoff)),
+		grpc.WithUnaryInterceptor(c.unaryClientInterceptor(c.lg, withMax(defaultUnaryMaxRetries), rrBackoff)),
+	)
+
+	return opts, nil
 }
 
 // Dial connects to a single endpoint using the client's config.
-func (c *Client) Dial(endpoint string) (*grpc.ClientConn, error) {
-	return c.dial(endpoint)
+func (c *Client) Dial(ep string) (*grpc.ClientConn, error) {
+	creds := c.directDialCreds(ep)
+	// Use the grpc passthrough resolver to directly dial a single endpoint.
+	// This resolver passes through the 'unix' and 'unixs' endpoints schemes used
+	// by etcd without modification, allowing us to directly dial endpoints and
+	// using the same dial functions that we use for load balancer dialing.
+	return c.dial(fmt.Sprintf("passthrough:///%s", ep), creds)
 }
 
 func (c *Client) getToken(ctx context.Context) error {
@@ -294,10 +289,19 @@
 	var auth *authenticator
 
 	for i := 0; i < len(c.cfg.Endpoints); i++ {
-		endpoint := c.cfg.Endpoints[i]
-		host := getHost(endpoint)
+		ep := c.cfg.Endpoints[i]
 		// use dial options without dopts to avoid reusing the client balancer
-		auth, err = newAuthenticator(host, c.dialSetupOpts(endpoint), c)
+		var dOpts []grpc.DialOption
+		_, host, _ := endpoint.ParseEndpoint(ep)
+		target := c.resolverGroup.Target(host)
+		creds := c.dialWithBalancerCreds(ep)
+		dOpts, err = c.dialSetupOpts(creds, c.cfg.DialOptions...)
+		if err != nil {
+			err = fmt.Errorf("failed to configure auth dialer: %v", err)
+			continue
+		}
+		dOpts = append(dOpts, grpc.WithBalancerName(roundRobinBalancerName))
+		auth, err = newAuthenticator(ctx, target, dOpts, c)
 		if err != nil {
 			continue
 		}
@@ -306,6 +310,10 @@
 		var resp *AuthenticateResponse
 		resp, err = auth.authenticate(ctx, c.Username, c.Password)
 		if err != nil {
+			// return err without retrying other endpoints
+			if err == rpctypes.ErrAuthNotEnabled {
+				return err
+			}
 			continue
 		}
 
@@ -319,43 +327,91 @@
 	return err
 }
 
-func (c *Client) dial(endpoint string, dopts ...grpc.DialOption) (*grpc.ClientConn, error) {
-	opts := c.dialSetupOpts(endpoint, dopts...)
-	host := getHost(endpoint)
+// dialWithBalancer dials the client's current load balanced resolver group.  The scheme of the host
+// of the provided endpoint determines the scheme used for all endpoints of the client connection.
+func (c *Client) dialWithBalancer(ep string, dopts ...grpc.DialOption) (*grpc.ClientConn, error) {
+	_, host, _ := endpoint.ParseEndpoint(ep)
+	target := c.resolverGroup.Target(host)
+	creds := c.dialWithBalancerCreds(ep)
+	return c.dial(target, creds, dopts...)
+}
+
+// dial configures and dials any grpc balancer target.
+func (c *Client) dial(target string, creds *credentials.TransportCredentials, dopts ...grpc.DialOption) (*grpc.ClientConn, error) {
+	opts, err := c.dialSetupOpts(creds, dopts...)
+	if err != nil {
+		return nil, fmt.Errorf("failed to configure dialer: %v", err)
+	}
+
 	if c.Username != "" && c.Password != "" {
 		c.tokenCred = &authTokenCredential{
 			tokenMu: &sync.RWMutex{},
 		}
 
-		ctx := c.ctx
+		ctx, cancel := c.ctx, func() {}
 		if c.cfg.DialTimeout > 0 {
-			cctx, cancel := context.WithTimeout(ctx, c.cfg.DialTimeout)
-			defer cancel()
-			ctx = cctx
+			ctx, cancel = context.WithTimeout(ctx, c.cfg.DialTimeout)
 		}
 
-		err := c.getToken(ctx)
+		err = c.getToken(ctx)
 		if err != nil {
 			if toErr(ctx, err) != rpctypes.ErrAuthNotEnabled {
 				if err == ctx.Err() && ctx.Err() != c.ctx.Err() {
 					err = context.DeadlineExceeded
 				}
+				cancel()
 				return nil, err
 			}
 		} else {
 			opts = append(opts, grpc.WithPerRPCCredentials(c.tokenCred))
 		}
+		cancel()
 	}
 
 	opts = append(opts, c.cfg.DialOptions...)
 
-	conn, err := grpc.DialContext(c.ctx, host, opts...)
+	dctx := c.ctx
+	if c.cfg.DialTimeout > 0 {
+		var cancel context.CancelFunc
+		dctx, cancel = context.WithTimeout(c.ctx, c.cfg.DialTimeout)
+		defer cancel() // TODO: Is this right for cases where grpc.WithBlock() is not set on the dial options?
+	}
+
+	conn, err := grpc.DialContext(dctx, target, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return conn, nil
 }
 
+func (c *Client) directDialCreds(ep string) *credentials.TransportCredentials {
+	_, hostPort, scheme := endpoint.ParseEndpoint(ep)
+	creds := c.creds
+	if len(scheme) != 0 {
+		creds = c.processCreds(scheme)
+		if creds != nil {
+			c := *creds
+			clone := c.Clone()
+			// Set the server name must to the endpoint hostname without port since grpc
+			// otherwise attempts to check if x509 cert is valid for the full endpoint
+			// including the scheme and port, which fails.
+			host, _ := endpoint.ParseHostPort(hostPort)
+			clone.OverrideServerName(host)
+			creds = &clone
+		}
+	}
+	return creds
+}
+
+func (c *Client) dialWithBalancerCreds(ep string) *credentials.TransportCredentials {
+	_, _, scheme := endpoint.ParseEndpoint(ep)
+	creds := c.creds
+	if len(scheme) != 0 {
+		creds = c.processCreds(scheme)
+	}
+	return creds
+}
+
 // WithRequireLeader requires client requests to only succeed
 // when the cluster has a leader.
 func WithRequireLeader(ctx context.Context) context.Context {
@@ -382,7 +438,6 @@
 	ctx, cancel := context.WithCancel(baseCtx)
 	client := &Client{
 		conn:     nil,
-		dialerrc: make(chan error, 1),
 		cfg:      *cfg,
 		creds:    creds,
 		ctx:      ctx,
@@ -390,6 +445,17 @@
 		mu:       new(sync.Mutex),
 		callOpts: defaultCallOpts,
 	}
+
+	lcfg := DefaultLogConfig
+	if cfg.LogConfig != nil {
+		lcfg = *cfg.LogConfig
+	}
+	var err error
+	client.lg, err = lcfg.Build()
+	if err != nil {
+		return nil, err
+	}
+
 	if cfg.Username != "" && cfg.Password != "" {
 		client.Username = cfg.Username
 		client.Password = cfg.Password
@@ -412,42 +478,31 @@
 		client.callOpts = callOpts
 	}
 
-	client.balancer = newHealthBalancer(cfg.Endpoints, cfg.DialTimeout, func(ep string) (bool, error) {
-		return grpcHealthCheck(client, ep)
-	})
-
-	// use Endpoints[0] so that for https:// without any tls config given, then
-	// grpc will assume the certificate server name is the endpoint host.
-	conn, err := client.dial(cfg.Endpoints[0], grpc.WithBalancer(client.balancer))
+	// Prepare a 'endpoint://<unique-client-id>/' resolver for the client and create a endpoint target to pass
+	// to dial so the client knows to use this resolver.
+	client.resolverGroup, err = endpoint.NewResolverGroup(fmt.Sprintf("client-%s", uuid.New().String()))
 	if err != nil {
 		client.cancel()
-		client.balancer.Close()
 		return nil, err
 	}
-	client.conn = conn
+	client.resolverGroup.SetEndpoints(cfg.Endpoints)
 
-	// wait for a connection
-	if cfg.DialTimeout > 0 {
-		hasConn := false
-		waitc := time.After(cfg.DialTimeout)
-		select {
-		case <-client.balancer.ready():
-			hasConn = true
-		case <-ctx.Done():
-		case <-waitc:
-		}
-		if !hasConn {
-			err := context.DeadlineExceeded
-			select {
-			case err = <-client.dialerrc:
-			default:
-			}
-			client.cancel()
-			client.balancer.Close()
-			conn.Close()
-			return nil, err
-		}
+	if len(cfg.Endpoints) < 1 {
+		return nil, fmt.Errorf("at least one Endpoint must is required in client config")
 	}
+	dialEndpoint := cfg.Endpoints[0]
+
+	// Use a provided endpoint target so that for https:// without any tls config given, then
+	// grpc will assume the certificate server name is the endpoint host.
+	conn, err := client.dialWithBalancer(dialEndpoint, grpc.WithBalancerName(roundRobinBalancerName))
+	if err != nil {
+		client.cancel()
+		client.resolverGroup.Close()
+		return nil, err
+	}
+	// TODO: With the old grpc balancer interface, we waited until the dial timeout
+	// for the balancer to be ready. Is there an equivalent wait we should do with the new grpc balancer interface?
+	client.conn = conn
 
 	client.Cluster = NewCluster(client)
 	client.KV = NewKV(client)
@@ -467,6 +522,22 @@
 	return client, nil
 }
 
+// roundRobinQuorumBackoff retries against quorum between each backoff.
+// This is intended for use with a round robin load balancer.
+func (c *Client) roundRobinQuorumBackoff(waitBetween time.Duration, jitterFraction float64) backoffFunc {
+	return func(attempt uint) time.Duration {
+		// after each round robin across quorum, backoff for our wait between duration
+		n := uint(len(c.Endpoints()))
+		quorum := (n/2 + 1)
+		if attempt%quorum == 0 {
+			c.lg.Info("backoff", zap.Uint("attempt", attempt), zap.Uint("quorum", quorum), zap.Duration("waitBetween", waitBetween), zap.Float64("jitterFraction", jitterFraction))
+			return jitterUp(waitBetween, jitterFraction)
+		}
+		c.lg.Info("backoff skipped", zap.Uint("attempt", attempt), zap.Uint("quorum", quorum))
+		return 0
+	}
+}
+
 func (c *Client) checkVersion() (err error) {
 	var wg sync.WaitGroup
 	errc := make(chan error, len(c.cfg.Endpoints))
@@ -551,18 +622,19 @@
 	if _, ok := err.(rpctypes.EtcdError); ok {
 		return err
 	}
-	ev, _ := status.FromError(err)
-	code := ev.Code()
-	switch code {
-	case codes.DeadlineExceeded:
-		fallthrough
-	case codes.Canceled:
-		if ctx.Err() != nil {
-			err = ctx.Err()
+	if ev, ok := status.FromError(err); ok {
+		code := ev.Code()
+		switch code {
+		case codes.DeadlineExceeded:
+			fallthrough
+		case codes.Canceled:
+			if ctx.Err() != nil {
+				err = ctx.Err()
+			}
+		case codes.Unavailable:
+		case codes.FailedPrecondition:
+			err = grpc.ErrClientConnClosing
 		}
-	case codes.Unavailable:
-	case codes.FailedPrecondition:
-		err = grpc.ErrClientConnClosing
 	}
 	return err
 }
@@ -574,3 +646,31 @@
 
 	return err == context.Canceled || err == context.DeadlineExceeded
 }
+
+// IsConnCanceled returns true, if error is from a closed gRPC connection.
+// ref. https://github.com/grpc/grpc-go/pull/1854
+func IsConnCanceled(err error) bool {
+	if err == nil {
+		return false
+	}
+	// >= gRPC v1.10.x
+	s, ok := status.FromError(err)
+	if ok {
+		// connection is canceled or server has already closed the connection
+		return s.Code() == codes.Canceled || s.Message() == "transport is closing"
+	}
+	// >= gRPC v1.10.x
+	if err == context.Canceled {
+		return true
+	}
+	// <= gRPC v1.7.x returns 'errors.New("grpc: the client connection is closing")'
+	return strings.Contains(err.Error(), "grpc: the client connection is closing")
+}
+
+func getHost(ep string) string {
+	url, uerr := url.Parse(ep)
+	if uerr != nil || !strings.Contains(ep, "://") {
+		return ep
+	}
+	return url.Host
+}
diff --git a/vendor/go.etcd.io/etcd/clientv3/cluster.go b/vendor/go.etcd.io/etcd/clientv3/cluster.go
index 785672b..d497c05 100644
--- a/vendor/go.etcd.io/etcd/clientv3/cluster.go
+++ b/vendor/go.etcd.io/etcd/clientv3/cluster.go
@@ -17,8 +17,8 @@
 import (
 	"context"
 
-	pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
-	"github.com/coreos/etcd/pkg/types"
+	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
+	"go.etcd.io/etcd/pkg/types"
 
 	"google.golang.org/grpc"
 )
diff --git a/vendor/go.etcd.io/etcd/clientv3/compact_op.go b/vendor/go.etcd.io/etcd/clientv3/compact_op.go
index 41e80c1..5779713 100644
--- a/vendor/go.etcd.io/etcd/clientv3/compact_op.go
+++ b/vendor/go.etcd.io/etcd/clientv3/compact_op.go
@@ -15,7 +15,7 @@
 package clientv3
 
 import (
-	pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
+	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
 )
 
 // CompactOp represents a compact operation.
diff --git a/vendor/go.etcd.io/etcd/clientv3/compare.go b/vendor/go.etcd.io/etcd/clientv3/compare.go
index b5f0a25..01ed68e 100644
--- a/vendor/go.etcd.io/etcd/clientv3/compare.go
+++ b/vendor/go.etcd.io/etcd/clientv3/compare.go
@@ -15,7 +15,7 @@
 package clientv3
 
 import (
-	pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
+	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
 )
 
 type CompareTarget int
diff --git a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go b/vendor/go.etcd.io/etcd/clientv3/concurrency/doc.go
similarity index 79%
copy from vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go
copy to vendor/go.etcd.io/etcd/clientv3/concurrency/doc.go
index 5c590e1..dcdbf51 100644
--- a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go
+++ b/vendor/go.etcd.io/etcd/clientv3/concurrency/doc.go
@@ -12,9 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package rpctypes
-
-var (
-	MetadataRequireLeaderKey = "hasleader"
-	MetadataHasLeader        = "true"
-)
+// Package concurrency implements concurrency operations on top of
+// etcd such as distributed locks, barriers, and elections.
+package concurrency
diff --git a/vendor/go.etcd.io/etcd/clientv3/concurrency/election.go b/vendor/go.etcd.io/etcd/clientv3/concurrency/election.go
new file mode 100644
index 0000000..2521db6
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/clientv3/concurrency/election.go
@@ -0,0 +1,254 @@
+// Copyright 2016 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package concurrency
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	v3 "go.etcd.io/etcd/clientv3"
+	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
+	"go.etcd.io/etcd/mvcc/mvccpb"
+)
+
+var (
+	ErrElectionNotLeader = errors.New("election: not leader")
+	ErrElectionNoLeader  = errors.New("election: no leader")
+)
+
+type Election struct {
+	session *Session
+
+	keyPrefix string
+
+	leaderKey     string
+	leaderRev     int64
+	leaderSession *Session
+	hdr           *pb.ResponseHeader
+}
+
+// NewElection returns a new election on a given key prefix.
+func NewElection(s *Session, pfx string) *Election {
+	return &Election{session: s, keyPrefix: pfx + "/"}
+}
+
+// ResumeElection initializes an election with a known leader.
+func ResumeElection(s *Session, pfx string, leaderKey string, leaderRev int64) *Election {
+	return &Election{
+		keyPrefix:     pfx,
+		session:       s,
+		leaderKey:     leaderKey,
+		leaderRev:     leaderRev,
+		leaderSession: s,
+	}
+}
+
+// Campaign puts a value as eligible for the election on the prefix
+// key.
+// Multiple sessions can participate in the election for the
+// same prefix, but only one can be the leader at a time.
+//
+// If the context is 'context.TODO()/context.Background()', the Campaign
+// will continue to be blocked for other keys to be deleted, unless server
+// returns a non-recoverable error (e.g. ErrCompacted).
+// Otherwise, until the context is not cancelled or timed-out, Campaign will
+// continue to be blocked until it becomes the leader.
+func (e *Election) Campaign(ctx context.Context, val string) error {
+	s := e.session
+	client := e.session.Client()
+
+	k := fmt.Sprintf("%s%x", e.keyPrefix, s.Lease())
+	txn := client.Txn(ctx).If(v3.Compare(v3.CreateRevision(k), "=", 0))
+	txn = txn.Then(v3.OpPut(k, val, v3.WithLease(s.Lease())))
+	txn = txn.Else(v3.OpGet(k))
+	resp, err := txn.Commit()
+	if err != nil {
+		return err
+	}
+	e.leaderKey, e.leaderRev, e.leaderSession = k, resp.Header.Revision, s
+	if !resp.Succeeded {
+		kv := resp.Responses[0].GetResponseRange().Kvs[0]
+		e.leaderRev = kv.CreateRevision
+		if string(kv.Value) != val {
+			if err = e.Proclaim(ctx, val); err != nil {
+				e.Resign(ctx)
+				return err
+			}
+		}
+	}
+
+	_, err = waitDeletes(ctx, client, e.keyPrefix, e.leaderRev-1)
+	if err != nil {
+		// clean up in case of context cancel
+		select {
+		case <-ctx.Done():
+			e.Resign(client.Ctx())
+		default:
+			e.leaderSession = nil
+		}
+		return err
+	}
+	e.hdr = resp.Header
+
+	return nil
+}
+
+// Proclaim lets the leader announce a new value without another election.
+func (e *Election) Proclaim(ctx context.Context, val string) error {
+	if e.leaderSession == nil {
+		return ErrElectionNotLeader
+	}
+	client := e.session.Client()
+	cmp := v3.Compare(v3.CreateRevision(e.leaderKey), "=", e.leaderRev)
+	txn := client.Txn(ctx).If(cmp)
+	txn = txn.Then(v3.OpPut(e.leaderKey, val, v3.WithLease(e.leaderSession.Lease())))
+	tresp, terr := txn.Commit()
+	if terr != nil {
+		return terr
+	}
+	if !tresp.Succeeded {
+		e.leaderKey = ""
+		return ErrElectionNotLeader
+	}
+
+	e.hdr = tresp.Header
+	return nil
+}
+
+// Resign lets a leader start a new election.
+func (e *Election) Resign(ctx context.Context) (err error) {
+	if e.leaderSession == nil {
+		return nil
+	}
+	client := e.session.Client()
+	cmp := v3.Compare(v3.CreateRevision(e.leaderKey), "=", e.leaderRev)
+	resp, err := client.Txn(ctx).If(cmp).Then(v3.OpDelete(e.leaderKey)).Commit()
+	if err == nil {
+		e.hdr = resp.Header
+	}
+	e.leaderKey = ""
+	e.leaderSession = nil
+	return err
+}
+
+// Leader returns the leader value for the current election.
+func (e *Election) Leader(ctx context.Context) (*v3.GetResponse, error) {
+	client := e.session.Client()
+	resp, err := client.Get(ctx, e.keyPrefix, v3.WithFirstCreate()...)
+	if err != nil {
+		return nil, err
+	} else if len(resp.Kvs) == 0 {
+		// no leader currently elected
+		return nil, ErrElectionNoLeader
+	}
+	return resp, nil
+}
+
+// Observe returns a channel that reliably observes ordered leader proposals
+// as GetResponse values on every current elected leader key. It will not
+// necessarily fetch all historical leader updates, but will always post the
+// most recent leader value.
+//
+// The channel closes when the context is canceled or the underlying watcher
+// is otherwise disrupted.
+func (e *Election) Observe(ctx context.Context) <-chan v3.GetResponse {
+	retc := make(chan v3.GetResponse)
+	go e.observe(ctx, retc)
+	return retc
+}
+
+func (e *Election) observe(ctx context.Context, ch chan<- v3.GetResponse) {
+	client := e.session.Client()
+
+	defer close(ch)
+	for {
+		resp, err := client.Get(ctx, e.keyPrefix, v3.WithFirstCreate()...)
+		if err != nil {
+			return
+		}
+
+		var kv *mvccpb.KeyValue
+		var hdr *pb.ResponseHeader
+
+		if len(resp.Kvs) == 0 {
+			cctx, cancel := context.WithCancel(ctx)
+			// wait for first key put on prefix
+			opts := []v3.OpOption{v3.WithRev(resp.Header.Revision), v3.WithPrefix()}
+			wch := client.Watch(cctx, e.keyPrefix, opts...)
+			for kv == nil {
+				wr, ok := <-wch
+				if !ok || wr.Err() != nil {
+					cancel()
+					return
+				}
+				// only accept puts; a delete will make observe() spin
+				for _, ev := range wr.Events {
+					if ev.Type == mvccpb.PUT {
+						hdr, kv = &wr.Header, ev.Kv
+						// may have multiple revs; hdr.rev = the last rev
+						// set to kv's rev in case batch has multiple Puts
+						hdr.Revision = kv.ModRevision
+						break
+					}
+				}
+			}
+			cancel()
+		} else {
+			hdr, kv = resp.Header, resp.Kvs[0]
+		}
+
+		select {
+		case ch <- v3.GetResponse{Header: hdr, Kvs: []*mvccpb.KeyValue{kv}}:
+		case <-ctx.Done():
+			return
+		}
+
+		cctx, cancel := context.WithCancel(ctx)
+		wch := client.Watch(cctx, string(kv.Key), v3.WithRev(hdr.Revision+1))
+		keyDeleted := false
+		for !keyDeleted {
+			wr, ok := <-wch
+			if !ok {
+				cancel()
+				return
+			}
+			for _, ev := range wr.Events {
+				if ev.Type == mvccpb.DELETE {
+					keyDeleted = true
+					break
+				}
+				resp.Header = &wr.Header
+				resp.Kvs = []*mvccpb.KeyValue{ev.Kv}
+				select {
+				case ch <- *resp:
+				case <-cctx.Done():
+					cancel()
+					return
+				}
+			}
+		}
+		cancel()
+	}
+}
+
+// Key returns the leader key if elected, empty string otherwise.
+func (e *Election) Key() string { return e.leaderKey }
+
+// Rev returns the leader key's creation revision, if elected.
+func (e *Election) Rev() int64 { return e.leaderRev }
+
+// Header is the response header from the last successful election proposal.
+func (e *Election) Header() *pb.ResponseHeader { return e.hdr }
diff --git a/vendor/go.etcd.io/etcd/clientv3/concurrency/key.go b/vendor/go.etcd.io/etcd/clientv3/concurrency/key.go
new file mode 100644
index 0000000..e4cf775
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/clientv3/concurrency/key.go
@@ -0,0 +1,65 @@
+// Copyright 2016 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package concurrency
+
+import (
+	"context"
+	"fmt"
+
+	v3 "go.etcd.io/etcd/clientv3"
+	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
+	"go.etcd.io/etcd/mvcc/mvccpb"
+)
+
+func waitDelete(ctx context.Context, client *v3.Client, key string, rev int64) error {
+	cctx, cancel := context.WithCancel(ctx)
+	defer cancel()
+
+	var wr v3.WatchResponse
+	wch := client.Watch(cctx, key, v3.WithRev(rev))
+	for wr = range wch {
+		for _, ev := range wr.Events {
+			if ev.Type == mvccpb.DELETE {
+				return nil
+			}
+		}
+	}
+	if err := wr.Err(); err != nil {
+		return err
+	}
+	if err := ctx.Err(); err != nil {
+		return err
+	}
+	return fmt.Errorf("lost watcher waiting for delete")
+}
+
+// waitDeletes efficiently waits until all keys matching the prefix and no greater
+// than the create revision.
+func waitDeletes(ctx context.Context, client *v3.Client, pfx string, maxCreateRev int64) (*pb.ResponseHeader, error) {
+	getOpts := append(v3.WithLastCreate(), v3.WithMaxCreateRev(maxCreateRev))
+	for {
+		resp, err := client.Get(ctx, pfx, getOpts...)
+		if err != nil {
+			return nil, err
+		}
+		if len(resp.Kvs) == 0 {
+			return resp.Header, nil
+		}
+		lastKey := string(resp.Kvs[0].Key)
+		if err = waitDelete(ctx, client, lastKey, resp.Header.Revision); err != nil {
+			return nil, err
+		}
+	}
+}
diff --git a/vendor/go.etcd.io/etcd/clientv3/concurrency/mutex.go b/vendor/go.etcd.io/etcd/clientv3/concurrency/mutex.go
new file mode 100644
index 0000000..0135341
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/clientv3/concurrency/mutex.go
@@ -0,0 +1,117 @@
+// Copyright 2016 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package concurrency
+
+import (
+	"context"
+	"fmt"
+	"sync"
+
+	v3 "go.etcd.io/etcd/clientv3"
+	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
+)
+
+// Mutex implements the sync Locker interface with etcd
+type Mutex struct {
+	s *Session
+
+	pfx   string
+	myKey string
+	myRev int64
+	hdr   *pb.ResponseHeader
+}
+
+func NewMutex(s *Session, pfx string) *Mutex {
+	return &Mutex{s, pfx + "/", "", -1, nil}
+}
+
+// Lock locks the mutex with a cancelable context. If the context is canceled
+// while trying to acquire the lock, the mutex tries to clean its stale lock entry.
+func (m *Mutex) Lock(ctx context.Context) error {
+	s := m.s
+	client := m.s.Client()
+
+	m.myKey = fmt.Sprintf("%s%x", m.pfx, s.Lease())
+	cmp := v3.Compare(v3.CreateRevision(m.myKey), "=", 0)
+	// put self in lock waiters via myKey; oldest waiter holds lock
+	put := v3.OpPut(m.myKey, "", v3.WithLease(s.Lease()))
+	// reuse key in case this session already holds the lock
+	get := v3.OpGet(m.myKey)
+	// fetch current holder to complete uncontended path with only one RPC
+	getOwner := v3.OpGet(m.pfx, v3.WithFirstCreate()...)
+	resp, err := client.Txn(ctx).If(cmp).Then(put, getOwner).Else(get, getOwner).Commit()
+	if err != nil {
+		return err
+	}
+	m.myRev = resp.Header.Revision
+	if !resp.Succeeded {
+		m.myRev = resp.Responses[0].GetResponseRange().Kvs[0].CreateRevision
+	}
+	// if no key on prefix / the minimum rev is key, already hold the lock
+	ownerKey := resp.Responses[1].GetResponseRange().Kvs
+	if len(ownerKey) == 0 || ownerKey[0].CreateRevision == m.myRev {
+		m.hdr = resp.Header
+		return nil
+	}
+
+	// wait for deletion revisions prior to myKey
+	hdr, werr := waitDeletes(ctx, client, m.pfx, m.myRev-1)
+	// release lock key if wait failed
+	if werr != nil {
+		m.Unlock(client.Ctx())
+	} else {
+		m.hdr = hdr
+	}
+	return werr
+}
+
+func (m *Mutex) Unlock(ctx context.Context) error {
+	client := m.s.Client()
+	if _, err := client.Delete(ctx, m.myKey); err != nil {
+		return err
+	}
+	m.myKey = "\x00"
+	m.myRev = -1
+	return nil
+}
+
+func (m *Mutex) IsOwner() v3.Cmp {
+	return v3.Compare(v3.CreateRevision(m.myKey), "=", m.myRev)
+}
+
+func (m *Mutex) Key() string { return m.myKey }
+
+// Header is the response header received from etcd on acquiring the lock.
+func (m *Mutex) Header() *pb.ResponseHeader { return m.hdr }
+
+type lockerMutex struct{ *Mutex }
+
+func (lm *lockerMutex) Lock() {
+	client := lm.s.Client()
+	if err := lm.Mutex.Lock(client.Ctx()); err != nil {
+		panic(err)
+	}
+}
+func (lm *lockerMutex) Unlock() {
+	client := lm.s.Client()
+	if err := lm.Mutex.Unlock(client.Ctx()); err != nil {
+		panic(err)
+	}
+}
+
+// NewLocker creates a sync.Locker backed by an etcd mutex.
+func NewLocker(s *Session, pfx string) sync.Locker {
+	return &lockerMutex{NewMutex(s, pfx)}
+}
diff --git a/vendor/go.etcd.io/etcd/clientv3/concurrency/session.go b/vendor/go.etcd.io/etcd/clientv3/concurrency/session.go
new file mode 100644
index 0000000..598ec0e
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/clientv3/concurrency/session.go
@@ -0,0 +1,141 @@
+// Copyright 2016 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package concurrency
+
+import (
+	"context"
+	"time"
+
+	v3 "go.etcd.io/etcd/clientv3"
+)
+
+const defaultSessionTTL = 60
+
+// Session represents a lease kept alive for the lifetime of a client.
+// Fault-tolerant applications may use sessions to reason about liveness.
+type Session struct {
+	client *v3.Client
+	opts   *sessionOptions
+	id     v3.LeaseID
+
+	cancel context.CancelFunc
+	donec  <-chan struct{}
+}
+
+// NewSession gets the leased session for a client.
+func NewSession(client *v3.Client, opts ...SessionOption) (*Session, error) {
+	ops := &sessionOptions{ttl: defaultSessionTTL, ctx: client.Ctx()}
+	for _, opt := range opts {
+		opt(ops)
+	}
+
+	id := ops.leaseID
+	if id == v3.NoLease {
+		resp, err := client.Grant(ops.ctx, int64(ops.ttl))
+		if err != nil {
+			return nil, err
+		}
+		id = v3.LeaseID(resp.ID)
+	}
+
+	ctx, cancel := context.WithCancel(ops.ctx)
+	keepAlive, err := client.KeepAlive(ctx, id)
+	if err != nil || keepAlive == nil {
+		cancel()
+		return nil, err
+	}
+
+	donec := make(chan struct{})
+	s := &Session{client: client, opts: ops, id: id, cancel: cancel, donec: donec}
+
+	// keep the lease alive until client error or cancelled context
+	go func() {
+		defer close(donec)
+		for range keepAlive {
+			// eat messages until keep alive channel closes
+		}
+	}()
+
+	return s, nil
+}
+
+// Client is the etcd client that is attached to the session.
+func (s *Session) Client() *v3.Client {
+	return s.client
+}
+
+// Lease is the lease ID for keys bound to the session.
+func (s *Session) Lease() v3.LeaseID { return s.id }
+
+// Done returns a channel that closes when the lease is orphaned, expires, or
+// is otherwise no longer being refreshed.
+func (s *Session) Done() <-chan struct{} { return s.donec }
+
+// Orphan ends the refresh for the session lease. This is useful
+// in case the state of the client connection is indeterminate (revoke
+// would fail) or when transferring lease ownership.
+func (s *Session) Orphan() {
+	s.cancel()
+	<-s.donec
+}
+
+// Close orphans the session and revokes the session lease.
+func (s *Session) Close() error {
+	s.Orphan()
+	// if revoke takes longer than the ttl, lease is expired anyway
+	ctx, cancel := context.WithTimeout(s.opts.ctx, time.Duration(s.opts.ttl)*time.Second)
+	_, err := s.client.Revoke(ctx, s.id)
+	cancel()
+	return err
+}
+
+type sessionOptions struct {
+	ttl     int
+	leaseID v3.LeaseID
+	ctx     context.Context
+}
+
+// SessionOption configures Session.
+type SessionOption func(*sessionOptions)
+
+// WithTTL configures the session's TTL in seconds.
+// If TTL is <= 0, the default 60 seconds TTL will be used.
+func WithTTL(ttl int) SessionOption {
+	return func(so *sessionOptions) {
+		if ttl > 0 {
+			so.ttl = ttl
+		}
+	}
+}
+
+// WithLease specifies the existing leaseID to be used for the session.
+// This is useful in process restart scenario, for example, to reclaim
+// leadership from an election prior to restart.
+func WithLease(leaseID v3.LeaseID) SessionOption {
+	return func(so *sessionOptions) {
+		so.leaseID = leaseID
+	}
+}
+
+// WithContext assigns a context to the session instead of defaulting to
+// using the client context. This is useful for canceling NewSession and
+// Close operations immediately without having to close the client. If the
+// context is canceled before Close() completes, the session's lease will be
+// abandoned and left to expire instead of being revoked.
+func WithContext(ctx context.Context) SessionOption {
+	return func(so *sessionOptions) {
+		so.ctx = ctx
+	}
+}
diff --git a/vendor/go.etcd.io/etcd/clientv3/concurrency/stm.go b/vendor/go.etcd.io/etcd/clientv3/concurrency/stm.go
new file mode 100644
index 0000000..ee11510
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/clientv3/concurrency/stm.go
@@ -0,0 +1,387 @@
+// Copyright 2016 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package concurrency
+
+import (
+	"context"
+	"math"
+
+	v3 "go.etcd.io/etcd/clientv3"
+)
+
+// STM is an interface for software transactional memory.
+type STM interface {
+	// Get returns the value for a key and inserts the key in the txn's read set.
+	// If Get fails, it aborts the transaction with an error, never returning.
+	Get(key ...string) string
+	// Put adds a value for a key to the write set.
+	Put(key, val string, opts ...v3.OpOption)
+	// Rev returns the revision of a key in the read set.
+	Rev(key string) int64
+	// Del deletes a key.
+	Del(key string)
+
+	// commit attempts to apply the txn's changes to the server.
+	commit() *v3.TxnResponse
+	reset()
+}
+
+// Isolation is an enumeration of transactional isolation levels which
+// describes how transactions should interfere and conflict.
+type Isolation int
+
+const (
+	// SerializableSnapshot provides serializable isolation and also checks
+	// for write conflicts.
+	SerializableSnapshot Isolation = iota
+	// Serializable reads within the same transaction attempt return data
+	// from the at the revision of the first read.
+	Serializable
+	// RepeatableReads reads within the same transaction attempt always
+	// return the same data.
+	RepeatableReads
+	// ReadCommitted reads keys from any committed revision.
+	ReadCommitted
+)
+
+// stmError safely passes STM errors through panic to the STM error channel.
+type stmError struct{ err error }
+
+type stmOptions struct {
+	iso      Isolation
+	ctx      context.Context
+	prefetch []string
+}
+
+type stmOption func(*stmOptions)
+
+// WithIsolation specifies the transaction isolation level.
+func WithIsolation(lvl Isolation) stmOption {
+	return func(so *stmOptions) { so.iso = lvl }
+}
+
+// WithAbortContext specifies the context for permanently aborting the transaction.
+func WithAbortContext(ctx context.Context) stmOption {
+	return func(so *stmOptions) { so.ctx = ctx }
+}
+
+// WithPrefetch is a hint to prefetch a list of keys before trying to apply.
+// If an STM transaction will unconditionally fetch a set of keys, prefetching
+// those keys will save the round-trip cost from requesting each key one by one
+// with Get().
+func WithPrefetch(keys ...string) stmOption {
+	return func(so *stmOptions) { so.prefetch = append(so.prefetch, keys...) }
+}
+
+// NewSTM initiates a new STM instance, using serializable snapshot isolation by default.
+func NewSTM(c *v3.Client, apply func(STM) error, so ...stmOption) (*v3.TxnResponse, error) {
+	opts := &stmOptions{ctx: c.Ctx()}
+	for _, f := range so {
+		f(opts)
+	}
+	if len(opts.prefetch) != 0 {
+		f := apply
+		apply = func(s STM) error {
+			s.Get(opts.prefetch...)
+			return f(s)
+		}
+	}
+	return runSTM(mkSTM(c, opts), apply)
+}
+
+func mkSTM(c *v3.Client, opts *stmOptions) STM {
+	switch opts.iso {
+	case SerializableSnapshot:
+		s := &stmSerializable{
+			stm:      stm{client: c, ctx: opts.ctx},
+			prefetch: make(map[string]*v3.GetResponse),
+		}
+		s.conflicts = func() []v3.Cmp {
+			return append(s.rset.cmps(), s.wset.cmps(s.rset.first()+1)...)
+		}
+		return s
+	case Serializable:
+		s := &stmSerializable{
+			stm:      stm{client: c, ctx: opts.ctx},
+			prefetch: make(map[string]*v3.GetResponse),
+		}
+		s.conflicts = func() []v3.Cmp { return s.rset.cmps() }
+		return s
+	case RepeatableReads:
+		s := &stm{client: c, ctx: opts.ctx, getOpts: []v3.OpOption{v3.WithSerializable()}}
+		s.conflicts = func() []v3.Cmp { return s.rset.cmps() }
+		return s
+	case ReadCommitted:
+		s := &stm{client: c, ctx: opts.ctx, getOpts: []v3.OpOption{v3.WithSerializable()}}
+		s.conflicts = func() []v3.Cmp { return nil }
+		return s
+	default:
+		panic("unsupported stm")
+	}
+}
+
+type stmResponse struct {
+	resp *v3.TxnResponse
+	err  error
+}
+
+func runSTM(s STM, apply func(STM) error) (*v3.TxnResponse, error) {
+	outc := make(chan stmResponse, 1)
+	go func() {
+		defer func() {
+			if r := recover(); r != nil {
+				e, ok := r.(stmError)
+				if !ok {
+					// client apply panicked
+					panic(r)
+				}
+				outc <- stmResponse{nil, e.err}
+			}
+		}()
+		var out stmResponse
+		for {
+			s.reset()
+			if out.err = apply(s); out.err != nil {
+				break
+			}
+			if out.resp = s.commit(); out.resp != nil {
+				break
+			}
+		}
+		outc <- out
+	}()
+	r := <-outc
+	return r.resp, r.err
+}
+
+// stm implements repeatable-read software transactional memory over etcd
+type stm struct {
+	client *v3.Client
+	ctx    context.Context
+	// rset holds read key values and revisions
+	rset readSet
+	// wset holds overwritten keys and their values
+	wset writeSet
+	// getOpts are the opts used for gets
+	getOpts []v3.OpOption
+	// conflicts computes the current conflicts on the txn
+	conflicts func() []v3.Cmp
+}
+
+type stmPut struct {
+	val string
+	op  v3.Op
+}
+
+type readSet map[string]*v3.GetResponse
+
+func (rs readSet) add(keys []string, txnresp *v3.TxnResponse) {
+	for i, resp := range txnresp.Responses {
+		rs[keys[i]] = (*v3.GetResponse)(resp.GetResponseRange())
+	}
+}
+
+// first returns the store revision from the first fetch
+func (rs readSet) first() int64 {
+	ret := int64(math.MaxInt64 - 1)
+	for _, resp := range rs {
+		if rev := resp.Header.Revision; rev < ret {
+			ret = rev
+		}
+	}
+	return ret
+}
+
+// cmps guards the txn from updates to read set
+func (rs readSet) cmps() []v3.Cmp {
+	cmps := make([]v3.Cmp, 0, len(rs))
+	for k, rk := range rs {
+		cmps = append(cmps, isKeyCurrent(k, rk))
+	}
+	return cmps
+}
+
+type writeSet map[string]stmPut
+
+func (ws writeSet) get(keys ...string) *stmPut {
+	for _, key := range keys {
+		if wv, ok := ws[key]; ok {
+			return &wv
+		}
+	}
+	return nil
+}
+
+// cmps returns a cmp list testing no writes have happened past rev
+func (ws writeSet) cmps(rev int64) []v3.Cmp {
+	cmps := make([]v3.Cmp, 0, len(ws))
+	for key := range ws {
+		cmps = append(cmps, v3.Compare(v3.ModRevision(key), "<", rev))
+	}
+	return cmps
+}
+
+// puts is the list of ops for all pending writes
+func (ws writeSet) puts() []v3.Op {
+	puts := make([]v3.Op, 0, len(ws))
+	for _, v := range ws {
+		puts = append(puts, v.op)
+	}
+	return puts
+}
+
+func (s *stm) Get(keys ...string) string {
+	if wv := s.wset.get(keys...); wv != nil {
+		return wv.val
+	}
+	return respToValue(s.fetch(keys...))
+}
+
+func (s *stm) Put(key, val string, opts ...v3.OpOption) {
+	s.wset[key] = stmPut{val, v3.OpPut(key, val, opts...)}
+}
+
+func (s *stm) Del(key string) { s.wset[key] = stmPut{"", v3.OpDelete(key)} }
+
+func (s *stm) Rev(key string) int64 {
+	if resp := s.fetch(key); resp != nil && len(resp.Kvs) != 0 {
+		return resp.Kvs[0].ModRevision
+	}
+	return 0
+}
+
+func (s *stm) commit() *v3.TxnResponse {
+	txnresp, err := s.client.Txn(s.ctx).If(s.conflicts()...).Then(s.wset.puts()...).Commit()
+	if err != nil {
+		panic(stmError{err})
+	}
+	if txnresp.Succeeded {
+		return txnresp
+	}
+	return nil
+}
+
+func (s *stm) fetch(keys ...string) *v3.GetResponse {
+	if len(keys) == 0 {
+		return nil
+	}
+	ops := make([]v3.Op, len(keys))
+	for i, key := range keys {
+		if resp, ok := s.rset[key]; ok {
+			return resp
+		}
+		ops[i] = v3.OpGet(key, s.getOpts...)
+	}
+	txnresp, err := s.client.Txn(s.ctx).Then(ops...).Commit()
+	if err != nil {
+		panic(stmError{err})
+	}
+	s.rset.add(keys, txnresp)
+	return (*v3.GetResponse)(txnresp.Responses[0].GetResponseRange())
+}
+
+func (s *stm) reset() {
+	s.rset = make(map[string]*v3.GetResponse)
+	s.wset = make(map[string]stmPut)
+}
+
+type stmSerializable struct {
+	stm
+	prefetch map[string]*v3.GetResponse
+}
+
+func (s *stmSerializable) Get(keys ...string) string {
+	if wv := s.wset.get(keys...); wv != nil {
+		return wv.val
+	}
+	firstRead := len(s.rset) == 0
+	for _, key := range keys {
+		if resp, ok := s.prefetch[key]; ok {
+			delete(s.prefetch, key)
+			s.rset[key] = resp
+		}
+	}
+	resp := s.stm.fetch(keys...)
+	if firstRead {
+		// txn's base revision is defined by the first read
+		s.getOpts = []v3.OpOption{
+			v3.WithRev(resp.Header.Revision),
+			v3.WithSerializable(),
+		}
+	}
+	return respToValue(resp)
+}
+
+func (s *stmSerializable) Rev(key string) int64 {
+	s.Get(key)
+	return s.stm.Rev(key)
+}
+
+func (s *stmSerializable) gets() ([]string, []v3.Op) {
+	keys := make([]string, 0, len(s.rset))
+	ops := make([]v3.Op, 0, len(s.rset))
+	for k := range s.rset {
+		keys = append(keys, k)
+		ops = append(ops, v3.OpGet(k))
+	}
+	return keys, ops
+}
+
+func (s *stmSerializable) commit() *v3.TxnResponse {
+	keys, getops := s.gets()
+	txn := s.client.Txn(s.ctx).If(s.conflicts()...).Then(s.wset.puts()...)
+	// use Else to prefetch keys in case of conflict to save a round trip
+	txnresp, err := txn.Else(getops...).Commit()
+	if err != nil {
+		panic(stmError{err})
+	}
+	if txnresp.Succeeded {
+		return txnresp
+	}
+	// load prefetch with Else data
+	s.rset.add(keys, txnresp)
+	s.prefetch = s.rset
+	s.getOpts = nil
+	return nil
+}
+
+func isKeyCurrent(k string, r *v3.GetResponse) v3.Cmp {
+	if len(r.Kvs) != 0 {
+		return v3.Compare(v3.ModRevision(k), "=", r.Kvs[0].ModRevision)
+	}
+	return v3.Compare(v3.ModRevision(k), "=", 0)
+}
+
+func respToValue(resp *v3.GetResponse) string {
+	if resp == nil || len(resp.Kvs) == 0 {
+		return ""
+	}
+	return string(resp.Kvs[0].Value)
+}
+
+// NewSTMRepeatable is deprecated.
+func NewSTMRepeatable(ctx context.Context, c *v3.Client, apply func(STM) error) (*v3.TxnResponse, error) {
+	return NewSTM(c, apply, WithAbortContext(ctx), WithIsolation(RepeatableReads))
+}
+
+// NewSTMSerializable is deprecated.
+func NewSTMSerializable(ctx context.Context, c *v3.Client, apply func(STM) error) (*v3.TxnResponse, error) {
+	return NewSTM(c, apply, WithAbortContext(ctx), WithIsolation(Serializable))
+}
+
+// NewSTMReadCommitted is deprecated.
+func NewSTMReadCommitted(ctx context.Context, c *v3.Client, apply func(STM) error) (*v3.TxnResponse, error) {
+	return NewSTM(c, apply, WithAbortContext(ctx), WithIsolation(ReadCommitted))
+}
diff --git a/vendor/go.etcd.io/etcd/clientv3/config.go b/vendor/go.etcd.io/etcd/clientv3/config.go
index 79d6e2a..96e94e1 100644
--- a/vendor/go.etcd.io/etcd/clientv3/config.go
+++ b/vendor/go.etcd.io/etcd/clientv3/config.go
@@ -19,6 +19,7 @@
 	"crypto/tls"
 	"time"
 
+	"go.uber.org/zap"
 	"google.golang.org/grpc"
 )
 
@@ -72,4 +73,30 @@
 	// Context is the default client context; it can be used to cancel grpc dial out and
 	// other operations that do not have an explicit context.
 	Context context.Context
+
+	// LogConfig configures client-side logger.
+	// If nil, use the default logger.
+	// TODO: configure gRPC logger
+	LogConfig *zap.Config
+
+	// PermitWithoutStream when set will allow client to send keepalive pings to server without any active streams(RPCs).
+	PermitWithoutStream bool `json:"permit-without-stream"`
+}
+
+// DefaultLogConfig is the default client logging configuration.
+// Default log level is "Warn". Use "zap.InfoLevel" for debugging.
+// Use "/dev/null" for output paths, to discard all logs.
+var DefaultLogConfig = zap.Config{
+	Level:       zap.NewAtomicLevelAt(zap.WarnLevel),
+	Development: false,
+	Sampling: &zap.SamplingConfig{
+		Initial:    100,
+		Thereafter: 100,
+	},
+	Encoding:      "json",
+	EncoderConfig: zap.NewProductionEncoderConfig(),
+
+	// Use "/dev/null" to discard all
+	OutputPaths:      []string{"stderr"},
+	ErrorOutputPaths: []string{"stderr"},
 }
diff --git a/vendor/go.etcd.io/etcd/clientv3/doc.go b/vendor/go.etcd.io/etcd/clientv3/doc.go
index 717fbe4..01a3f59 100644
--- a/vendor/go.etcd.io/etcd/clientv3/doc.go
+++ b/vendor/go.etcd.io/etcd/clientv3/doc.go
@@ -19,7 +19,7 @@
 //	// expect dial time-out on ipv4 blackhole
 //	_, err := clientv3.New(clientv3.Config{
 //		Endpoints:   []string{"http://254.0.0.1:12345"},
-//		DialTimeout: 2 * time.Second
+//		DialTimeout: 2 * time.Second,
 //	})
 //
 //	// etcd clientv3 >= v3.2.10, grpc/grpc-go >= v1.7.3
@@ -61,7 +61,7 @@
 //
 //  1. context error: canceled or deadline exceeded.
 //  2. gRPC status error: e.g. when clock drifts in server-side before client's context deadline exceeded.
-//  3. gRPC error: see https://github.com/coreos/etcd/blob/master/etcdserver/api/v3rpc/rpctypes/error.go
+//  3. gRPC error: see https://github.com/etcd-io/etcd/blob/master/etcdserver/api/v3rpc/rpctypes/error.go
 //
 // Here is the example code to handle client errors:
 //
@@ -71,14 +71,14 @@
 //			// ctx is canceled by another routine
 //		} else if err == context.DeadlineExceeded {
 //			// ctx is attached with a deadline and it exceeded
+//		} else if err == rpctypes.ErrEmptyKey {
+//			// client-side error: key is not provided
 //		} else if ev, ok := status.FromError(err); ok {
 //			code := ev.Code()
 //			if code == codes.DeadlineExceeded {
 //				// server-side context might have timed-out first (due to clock skew)
 //				// while original client-side context is not timed-out yet
 //			}
-//		} else if verr, ok := err.(*v3rpc.ErrEmptyKey); ok {
-//			// process (verr.Errors)
 //		} else {
 //			// bad cluster endpoints, which are not etcd servers
 //		}
@@ -87,11 +87,20 @@
 //	go func() { cli.Close() }()
 //	_, err := kvc.Get(ctx, "a")
 //	if err != nil {
+//		// with etcd clientv3 <= v3.3
 //		if err == context.Canceled {
 //			// grpc balancer calls 'Get' with an inflight client.Close
 //		} else if err == grpc.ErrClientConnClosing {
 //			// grpc balancer calls 'Get' after client.Close.
 //		}
+//		// with etcd clientv3 >= v3.4
+//		if clientv3.IsConnCanceled(err) {
+//			// gRPC client connection is closed
+//		}
 //	}
 //
+// The grpc load balancer is registered statically and is shared across etcd clients.
+// To enable detailed load balancer logging, set the ETCD_CLIENT_DEBUG environment
+// variable.  E.g. "ETCD_CLIENT_DEBUG=1".
+//
 package clientv3
diff --git a/vendor/go.etcd.io/etcd/clientv3/kv.go b/vendor/go.etcd.io/etcd/clientv3/kv.go
index 5a7469b..2b7864a 100644
--- a/vendor/go.etcd.io/etcd/clientv3/kv.go
+++ b/vendor/go.etcd.io/etcd/clientv3/kv.go
@@ -17,7 +17,7 @@
 import (
 	"context"
 
-	pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
+	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
 
 	"google.golang.org/grpc"
 )
diff --git a/vendor/go.etcd.io/etcd/clientv3/lease.go b/vendor/go.etcd.io/etcd/clientv3/lease.go
index 3729cf3..c2796fc 100644
--- a/vendor/go.etcd.io/etcd/clientv3/lease.go
+++ b/vendor/go.etcd.io/etcd/clientv3/lease.go
@@ -19,9 +19,10 @@
 	"sync"
 	"time"
 
-	"github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes"
-	pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
+	"go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes"
+	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
 
+	"go.uber.org/zap"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/metadata"
 )
@@ -117,22 +118,21 @@
 	// Leases retrieves all leases.
 	Leases(ctx context.Context) (*LeaseLeasesResponse, error)
 
-	// KeepAlive keeps the given lease alive forever. If the keepalive response
-	// posted to the channel is not consumed immediately, the lease client will
-	// continue sending keep alive requests to the etcd server at least every
-	// second until latest response is consumed.
+	// KeepAlive attempts to keep the given lease alive forever. If the keepalive responses posted
+	// to the channel are not consumed promptly the channel may become full. When full, the lease
+	// client will continue sending keep alive requests to the etcd server, but will drop responses
+	// until there is capacity on the channel to send more responses.
+	//
+	// If client keep alive loop halts with an unexpected error (e.g. "etcdserver: no leader") or
+	// canceled by the caller (e.g. context.Canceled), KeepAlive returns a ErrKeepAliveHalted error
+	// containing the error reason.
 	//
 	// The returned "LeaseKeepAliveResponse" channel closes if underlying keep
 	// alive stream is interrupted in some way the client cannot handle itself;
-	// given context "ctx" is canceled or timed out. "LeaseKeepAliveResponse"
-	// from this closed channel is nil.
-	//
-	// If client keep alive loop halts with an unexpected error (e.g. "etcdserver:
-	// no leader") or canceled by the caller (e.g. context.Canceled), the error
-	// is returned. Otherwise, it retries.
+	// given context "ctx" is canceled or timed out.
 	//
 	// TODO(v4.0): post errors to last keep alive message before closing
-	// (see https://github.com/coreos/etcd/pull/7866)
+	// (see https://github.com/etcd-io/etcd/pull/7866)
 	KeepAlive(ctx context.Context, id LeaseID) (<-chan *LeaseKeepAliveResponse, error)
 
 	// KeepAliveOnce renews the lease once. The response corresponds to the
@@ -172,6 +172,8 @@
 	firstKeepAliveOnce sync.Once
 
 	callOpts []grpc.CallOption
+
+	lg *zap.Logger
 }
 
 // keepAlive multiplexes a keepalive for a lease over multiple channels
@@ -196,6 +198,7 @@
 		keepAlives:            make(map[LeaseID]*keepAlive),
 		remote:                remote,
 		firstKeepAliveTimeout: keepAliveTimeout,
+		lg:                    c.lg,
 	}
 	if l.firstKeepAliveTimeout == time.Second {
 		l.firstKeepAliveTimeout = defaultTTL
@@ -291,7 +294,7 @@
 	}
 	l.mu.Unlock()
 
-	go l.keepAliveCtxCloser(id, ctx, ka.donec)
+	go l.keepAliveCtxCloser(ctx, id, ka.donec)
 	l.firstKeepAliveOnce.Do(func() {
 		go l.recvKeepAliveLoop()
 		go l.deadlineLoop()
@@ -323,7 +326,7 @@
 	return nil
 }
 
-func (l *lessor) keepAliveCtxCloser(id LeaseID, ctx context.Context, donec <-chan struct{}) {
+func (l *lessor) keepAliveCtxCloser(ctx context.Context, id LeaseID, donec <-chan struct{}) {
 	select {
 	case <-donec:
 		return
@@ -459,7 +462,6 @@
 
 		select {
 		case <-time.After(retryConnWait):
-			continue
 		case <-l.stopCtx.Done():
 			return l.stopCtx.Err()
 		}
@@ -469,7 +471,7 @@
 // resetRecv opens a new lease stream and starts sending keep alive requests.
 func (l *lessor) resetRecv() (pb.Lease_LeaseKeepAliveClient, error) {
 	sctx, cancel := context.WithCancel(l.stopCtx)
-	stream, err := l.remote.LeaseKeepAlive(sctx, l.callOpts...)
+	stream, err := l.remote.LeaseKeepAlive(sctx, append(l.callOpts, withMax(0))...)
 	if err != nil {
 		cancel()
 		return nil, err
@@ -518,6 +520,12 @@
 		select {
 		case ch <- karesp:
 		default:
+			if l.lg != nil {
+				l.lg.Warn("lease keepalive response queue is full; dropping response send",
+					zap.Int("queue-size", len(ch)),
+					zap.Int("queue-capacity", cap(ch)),
+				)
+			}
 		}
 		// still advance in order to rate-limit keep-alive sends
 		ka.nextKeepAlive = nextKeepAlive
@@ -569,7 +577,7 @@
 		}
 
 		select {
-		case <-time.After(500 * time.Millisecond):
+		case <-time.After(retryConnWait):
 		case <-stream.Context().Done():
 			return
 		case <-l.donec:
diff --git a/vendor/go.etcd.io/etcd/clientv3/logger.go b/vendor/go.etcd.io/etcd/clientv3/logger.go
index 782e313..f5ae010 100644
--- a/vendor/go.etcd.io/etcd/clientv3/logger.go
+++ b/vendor/go.etcd.io/etcd/clientv3/logger.go
@@ -18,28 +18,14 @@
 	"io/ioutil"
 	"sync"
 
+	"go.etcd.io/etcd/pkg/logutil"
+
 	"google.golang.org/grpc/grpclog"
 )
 
-// Logger is the logger used by client library.
-// It implements grpclog.LoggerV2 interface.
-type Logger interface {
-	grpclog.LoggerV2
-
-	// Lvl returns logger if logger's verbosity level >= "lvl".
-	// Otherwise, logger that discards all logs.
-	Lvl(lvl int) Logger
-
-	// to satisfy capnslog
-
-	Print(args ...interface{})
-	Printf(format string, args ...interface{})
-	Println(args ...interface{})
-}
-
 var (
-	loggerMu sync.RWMutex
-	logger   Logger
+	lgMu sync.RWMutex
+	lg   logutil.Logger
 )
 
 type settableLogger struct {
@@ -49,29 +35,29 @@
 
 func init() {
 	// disable client side logs by default
-	logger = &settableLogger{}
+	lg = &settableLogger{}
 	SetLogger(grpclog.NewLoggerV2(ioutil.Discard, ioutil.Discard, ioutil.Discard))
 }
 
 // SetLogger sets client-side Logger.
 func SetLogger(l grpclog.LoggerV2) {
-	loggerMu.Lock()
-	logger = NewLogger(l)
+	lgMu.Lock()
+	lg = logutil.NewLogger(l)
 	// override grpclog so that any changes happen with locking
-	grpclog.SetLoggerV2(logger)
-	loggerMu.Unlock()
+	grpclog.SetLoggerV2(lg)
+	lgMu.Unlock()
 }
 
-// GetLogger returns the current logger.
-func GetLogger() Logger {
-	loggerMu.RLock()
-	l := logger
-	loggerMu.RUnlock()
+// GetLogger returns the current logutil.Logger.
+func GetLogger() logutil.Logger {
+	lgMu.RLock()
+	l := lg
+	lgMu.RUnlock()
 	return l
 }
 
-// NewLogger returns a new Logger with grpclog.LoggerV2.
-func NewLogger(gl grpclog.LoggerV2) Logger {
+// NewLogger returns a new Logger with logutil.Logger.
+func NewLogger(gl grpclog.LoggerV2) logutil.Logger {
 	return &settableLogger{l: gl}
 }
 
@@ -104,32 +90,12 @@
 func (s *settableLogger) Printf(format string, args ...interface{}) { s.get().Infof(format, args...) }
 func (s *settableLogger) Println(args ...interface{})               { s.get().Infoln(args...) }
 func (s *settableLogger) V(l int) bool                              { return s.get().V(l) }
-func (s *settableLogger) Lvl(lvl int) Logger {
+func (s *settableLogger) Lvl(lvl int) grpclog.LoggerV2 {
 	s.mu.RLock()
 	l := s.l
 	s.mu.RUnlock()
 	if l.V(lvl) {
 		return s
 	}
-	return &noLogger{}
+	return logutil.NewDiscardLogger()
 }
-
-type noLogger struct{}
-
-func (*noLogger) Info(args ...interface{})                    {}
-func (*noLogger) Infof(format string, args ...interface{})    {}
-func (*noLogger) Infoln(args ...interface{})                  {}
-func (*noLogger) Warning(args ...interface{})                 {}
-func (*noLogger) Warningf(format string, args ...interface{}) {}
-func (*noLogger) Warningln(args ...interface{})               {}
-func (*noLogger) Error(args ...interface{})                   {}
-func (*noLogger) Errorf(format string, args ...interface{})   {}
-func (*noLogger) Errorln(args ...interface{})                 {}
-func (*noLogger) Fatal(args ...interface{})                   {}
-func (*noLogger) Fatalf(format string, args ...interface{})   {}
-func (*noLogger) Fatalln(args ...interface{})                 {}
-func (*noLogger) Print(args ...interface{})                   {}
-func (*noLogger) Printf(format string, args ...interface{})   {}
-func (*noLogger) Println(args ...interface{})                 {}
-func (*noLogger) V(l int) bool                                { return false }
-func (ng *noLogger) Lvl(lvl int) Logger                       { return ng }
diff --git a/vendor/go.etcd.io/etcd/clientv3/maintenance.go b/vendor/go.etcd.io/etcd/clientv3/maintenance.go
index f60cfbe..744455a 100644
--- a/vendor/go.etcd.io/etcd/clientv3/maintenance.go
+++ b/vendor/go.etcd.io/etcd/clientv3/maintenance.go
@@ -16,9 +16,10 @@
 
 import (
 	"context"
+	"fmt"
 	"io"
 
-	pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
+	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
 
 	"google.golang.org/grpc"
 )
@@ -57,6 +58,8 @@
 	HashKV(ctx context.Context, endpoint string, rev int64) (*HashKVResponse, error)
 
 	// Snapshot provides a reader for a point-in-time snapshot of etcd.
+	// If the context "ctx" is canceled or timed out, reading from returned
+	// "io.ReadCloser" would error out (e.g. context.Canceled, context.DeadlineExceeded).
 	Snapshot(ctx context.Context) (io.ReadCloser, error)
 
 	// MoveLeader requests current leader to transfer its leadership to the transferee.
@@ -73,9 +76,9 @@
 func NewMaintenance(c *Client) Maintenance {
 	api := &maintenance{
 		dial: func(endpoint string) (pb.MaintenanceClient, func(), error) {
-			conn, err := c.dial(endpoint)
+			conn, err := c.Dial(endpoint)
 			if err != nil {
-				return nil, nil, err
+				return nil, nil, fmt.Errorf("failed to dial endpoint %s with maintenance client: %v", endpoint, err)
 			}
 			cancel := func() { conn.Close() }
 			return RetryMaintenanceClient(c, conn), cancel, nil
@@ -173,6 +176,7 @@
 func (m *maintenance) HashKV(ctx context.Context, endpoint string, rev int64) (*HashKVResponse, error) {
 	remote, cancel, err := m.dial(endpoint)
 	if err != nil {
+
 		return nil, toErr(ctx, err)
 	}
 	defer cancel()
@@ -184,7 +188,7 @@
 }
 
 func (m *maintenance) Snapshot(ctx context.Context) (io.ReadCloser, error) {
-	ss, err := m.remote.Snapshot(ctx, &pb.SnapshotRequest{}, m.callOpts...)
+	ss, err := m.remote.Snapshot(ctx, &pb.SnapshotRequest{}, append(m.callOpts, withMax(defaultStreamMaxRetries))...)
 	if err != nil {
 		return nil, toErr(ctx, err)
 	}
diff --git a/vendor/go.etcd.io/etcd/clientv3/op.go b/vendor/go.etcd.io/etcd/clientv3/op.go
index c6ec5bf..13507c9 100644
--- a/vendor/go.etcd.io/etcd/clientv3/op.go
+++ b/vendor/go.etcd.io/etcd/clientv3/op.go
@@ -14,7 +14,7 @@
 
 package clientv3
 
-import pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
+import pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
 
 type opType int
 
@@ -26,9 +26,7 @@
 	tTxn
 )
 
-var (
-	noPrefixEnd = []byte{0}
-)
+var noPrefixEnd = []byte{0}
 
 // Op represents an Operation that kv can execute.
 type Op struct {
@@ -53,6 +51,12 @@
 	// for watch, put, delete
 	prevKV bool
 
+	// for watch
+	// fragmentation should be disabled by default
+	// if true, split watch events when total exceeds
+	// "--max-request-bytes" flag value + 512-byte
+	fragment bool
+
 	// for put
 	ignoreValue bool
 	ignoreLease bool
@@ -77,8 +81,15 @@
 
 // accessors / mutators
 
-func (op Op) IsTxn() bool              { return op.t == tTxn }
-func (op Op) Txn() ([]Cmp, []Op, []Op) { return op.cmps, op.thenOps, op.elseOps }
+// IsTxn returns true if the "Op" type is transaction.
+func (op Op) IsTxn() bool {
+	return op.t == tTxn
+}
+
+// Txn returns the comparison(if) operations, "then" operations, and "else" operations.
+func (op Op) Txn() ([]Cmp, []Op, []Op) {
+	return op.cmps, op.thenOps, op.elseOps
+}
 
 // KeyBytes returns the byte slice holding the Op's key.
 func (op Op) KeyBytes() []byte { return op.key }
@@ -205,12 +216,14 @@
 	return op.t != tRange
 }
 
+// OpGet returns "get" operation based on given key and operation options.
 func OpGet(key string, opts ...OpOption) Op {
 	ret := Op{t: tRange, key: []byte(key)}
 	ret.applyOpts(opts)
 	return ret
 }
 
+// OpDelete returns "delete" operation based on given key and operation options.
 func OpDelete(key string, opts ...OpOption) Op {
 	ret := Op{t: tDeleteRange, key: []byte(key)}
 	ret.applyOpts(opts)
@@ -239,6 +252,7 @@
 	return ret
 }
 
+// OpPut returns "put" operation based on given key-value and operation options.
 func OpPut(key, val string, opts ...OpOption) Op {
 	ret := Op{t: tPut, key: []byte(key), val: []byte(val)}
 	ret.applyOpts(opts)
@@ -267,6 +281,7 @@
 	return ret
 }
 
+// OpTxn returns "txn" operation based on given transaction conditions.
 func OpTxn(cmps []Cmp, thenOps []Op, elseOps []Op) Op {
 	return Op{t: tTxn, cmps: cmps, thenOps: thenOps, elseOps: elseOps}
 }
@@ -377,7 +392,14 @@
 
 // WithFromKey specifies the range of 'Get', 'Delete', 'Watch' requests
 // to be equal or greater than the key in the argument.
-func WithFromKey() OpOption { return WithRange("\x00") }
+func WithFromKey() OpOption {
+	return func(op *Op) {
+		if len(op.key) == 0 {
+			op.key = []byte{0}
+		}
+		op.end = []byte("\x00")
+	}
+}
 
 // WithSerializable makes 'Get' request serializable. By default,
 // it's linearizable. Serializable requests are better for lower latency
@@ -466,6 +488,17 @@
 	}
 }
 
+// WithFragment to receive raw watch response with fragmentation.
+// Fragmentation is disabled by default. If fragmentation is enabled,
+// etcd watch server will split watch response before sending to clients
+// when the total size of watch events exceed server-side request limit.
+// The default server-side request limit is 1.5 MiB, which can be configured
+// as "--max-request-bytes" flag value + gRPC-overhead 512 bytes.
+// See "etcdserver/api/v3rpc/watch.go" for more details.
+func WithFragment() OpOption {
+	return func(op *Op) { op.fragment = true }
+}
+
 // WithIgnoreValue updates the key using its current value.
 // This option can not be combined with non-empty values.
 // Returns an error if the key does not exist.
diff --git a/vendor/go.etcd.io/etcd/clientv3/options.go b/vendor/go.etcd.io/etcd/clientv3/options.go
index fa25811..4660ace 100644
--- a/vendor/go.etcd.io/etcd/clientv3/options.go
+++ b/vendor/go.etcd.io/etcd/clientv3/options.go
@@ -16,17 +16,17 @@
 
 import (
 	"math"
+	"time"
 
 	"google.golang.org/grpc"
 )
 
 var (
-	// Disable gRPC internal retrial logic
-	// TODO: enable when gRPC retry is stable (FailFast=false)
-	// Reference:
-	//  - https://github.com/grpc/grpc-go/issues/1532
-	//  - https://github.com/grpc/proposal/blob/master/A6-client-retries.md
-	defaultFailFast = grpc.FailFast(true)
+	// client-side handling retrying of request failures where data was not written to the wire or
+	// where server indicates it did not process the data. gRPC default is default is "FailFast(true)"
+	// but for etcd we default to "FailFast(false)" to minimize client request error responses due to
+	// transient failures.
+	defaultFailFast = grpc.FailFast(false)
 
 	// client-side request send limit, gRPC default is math.MaxInt32
 	// Make sure that "client-side send limit < server-side default send/recv limit"
@@ -38,6 +38,22 @@
 	// because range response can easily exceed request send limits
 	// Default to math.MaxInt32; writes exceeding server-side send limit fails anyway
 	defaultMaxCallRecvMsgSize = grpc.MaxCallRecvMsgSize(math.MaxInt32)
+
+	// client-side non-streaming retry limit, only applied to requests where server responds with
+	// a error code clearly indicating it was unable to process the request such as codes.Unavailable.
+	// If set to 0, retry is disabled.
+	defaultUnaryMaxRetries uint = 100
+
+	// client-side streaming retry limit, only applied to requests where server responds with
+	// a error code clearly indicating it was unable to process the request such as codes.Unavailable.
+	// If set to 0, retry is disabled.
+	defaultStreamMaxRetries = uint(^uint(0)) // max uint
+
+	// client-side retry backoff wait between requests.
+	defaultBackoffWaitBetween = 25 * time.Millisecond
+
+	// client-side retry backoff default jitter fraction.
+	defaultBackoffJitterFraction = 0.10
 )
 
 // defaultCallOpts defines a list of default "gRPC.CallOption".
diff --git a/vendor/go.etcd.io/etcd/clientv3/retry.go b/vendor/go.etcd.io/etcd/clientv3/retry.go
index 7f89ba6..38ad00a 100644
--- a/vendor/go.etcd.io/etcd/clientv3/retry.go
+++ b/vendor/go.etcd.io/etcd/clientv3/retry.go
@@ -17,8 +17,8 @@
 import (
 	"context"
 
-	"github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes"
-	pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
+	"go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes"
+	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
 
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
@@ -32,465 +32,267 @@
 	nonRepeatable
 )
 
+func (rp retryPolicy) String() string {
+	switch rp {
+	case repeatable:
+		return "repeatable"
+	case nonRepeatable:
+		return "nonRepeatable"
+	default:
+		return "UNKNOWN"
+	}
+}
+
 type rpcFunc func(ctx context.Context) error
 type retryRPCFunc func(context.Context, rpcFunc, retryPolicy) error
 type retryStopErrFunc func(error) bool
 
+// isSafeRetryImmutableRPC returns "true" when an immutable request is safe for retry.
+//
 // immutable requests (e.g. Get) should be retried unless it's
 // an obvious server-side error (e.g. rpctypes.ErrRequestTooLarge).
 //
-// "isRepeatableStopError" returns "true" when an immutable request
-// is interrupted by server-side or gRPC-side error and its status
-// code is not transient (!= codes.Unavailable).
-//
-// Returning "true" means retry should stop, since client cannot
+// Returning "false" means retry should stop, since client cannot
 // handle itself even with retries.
-func isRepeatableStopError(err error) bool {
+func isSafeRetryImmutableRPC(err error) bool {
 	eErr := rpctypes.Error(err)
-	// always stop retry on etcd errors
 	if serverErr, ok := eErr.(rpctypes.EtcdError); ok && serverErr.Code() != codes.Unavailable {
-		return true
+		// interrupted by non-transient server-side or gRPC-side error
+		// client cannot handle itself (e.g. rpctypes.ErrCompacted)
+		return false
 	}
 	// only retry if unavailable
-	ev, _ := status.FromError(err)
-	return ev.Code() != codes.Unavailable
+	ev, ok := status.FromError(err)
+	if !ok {
+		// all errors from RPC is typed "grpc/status.(*statusError)"
+		// (ref. https://github.com/grpc/grpc-go/pull/1782)
+		//
+		// if the error type is not "grpc/status.(*statusError)",
+		// it could be from "Dial"
+		// TODO: do not retry for now
+		// ref. https://github.com/grpc/grpc-go/issues/1581
+		return false
+	}
+	return ev.Code() == codes.Unavailable
 }
 
+// isSafeRetryMutableRPC returns "true" when a mutable request is safe for retry.
+//
 // mutable requests (e.g. Put, Delete, Txn) should only be retried
 // when the status code is codes.Unavailable when initial connection
-// has not been established (no pinned endpoint).
+// has not been established (no endpoint is up).
 //
-// "isNonRepeatableStopError" returns "true" when a mutable request
-// is interrupted by non-transient error that client cannot handle itself,
-// or transient error while the connection has already been established
-// (pinned endpoint exists).
-//
-// Returning "true" means retry should stop, otherwise it violates
+// Returning "false" means retry should stop, otherwise it violates
 // write-at-most-once semantics.
-func isNonRepeatableStopError(err error) bool {
-	ev, _ := status.FromError(err)
-	if ev.Code() != codes.Unavailable {
-		return true
+func isSafeRetryMutableRPC(err error) bool {
+	if ev, ok := status.FromError(err); ok && ev.Code() != codes.Unavailable {
+		// not safe for mutable RPCs
+		// e.g. interrupted by non-transient error that client cannot handle itself,
+		// or transient error while the connection has already been established
+		return false
 	}
 	desc := rpctypes.ErrorDesc(err)
-	return desc != "there is no address available" && desc != "there is no connection available"
-}
-
-func (c *Client) newRetryWrapper() retryRPCFunc {
-	return func(rpcCtx context.Context, f rpcFunc, rp retryPolicy) error {
-		var isStop retryStopErrFunc
-		switch rp {
-		case repeatable:
-			isStop = isRepeatableStopError
-		case nonRepeatable:
-			isStop = isNonRepeatableStopError
-		}
-		for {
-			if err := readyWait(rpcCtx, c.ctx, c.balancer.ConnectNotify()); err != nil {
-				return err
-			}
-			pinned := c.balancer.pinned()
-			err := f(rpcCtx)
-			if err == nil {
-				return nil
-			}
-			logger.Lvl(4).Infof("clientv3/retry: error %q on pinned endpoint %q", err.Error(), pinned)
-
-			if s, ok := status.FromError(err); ok && (s.Code() == codes.Unavailable || s.Code() == codes.DeadlineExceeded || s.Code() == codes.Internal) {
-				// mark this before endpoint switch is triggered
-				c.balancer.hostPortError(pinned, err)
-				c.balancer.next()
-				logger.Lvl(4).Infof("clientv3/retry: switching from %q due to error %q", pinned, err.Error())
-			}
-
-			if isStop(err) {
-				return err
-			}
-		}
-	}
-}
-
-func (c *Client) newAuthRetryWrapper(retryf retryRPCFunc) retryRPCFunc {
-	return func(rpcCtx context.Context, f rpcFunc, rp retryPolicy) error {
-		for {
-			pinned := c.balancer.pinned()
-			err := retryf(rpcCtx, f, rp)
-			if err == nil {
-				return nil
-			}
-			logger.Lvl(4).Infof("clientv3/auth-retry: error %q on pinned endpoint %q", err.Error(), pinned)
-			// always stop retry on etcd errors other than invalid auth token
-			if rpctypes.Error(err) == rpctypes.ErrInvalidAuthToken {
-				gterr := c.getToken(rpcCtx)
-				if gterr != nil {
-					logger.Lvl(4).Infof("clientv3/auth-retry: cannot retry due to error %q(%q) on pinned endpoint %q", err.Error(), gterr.Error(), pinned)
-					return err // return the original error for simplicity
-				}
-				continue
-			}
-			return err
-		}
-	}
+	return desc == "there is no address available" || desc == "there is no connection available"
 }
 
 type retryKVClient struct {
-	kc     pb.KVClient
-	retryf retryRPCFunc
+	kc pb.KVClient
 }
 
 // RetryKVClient implements a KVClient.
 func RetryKVClient(c *Client) pb.KVClient {
 	return &retryKVClient{
-		kc:     pb.NewKVClient(c.conn),
-		retryf: c.newAuthRetryWrapper(c.newRetryWrapper()),
+		kc: pb.NewKVClient(c.conn),
 	}
 }
 func (rkv *retryKVClient) Range(ctx context.Context, in *pb.RangeRequest, opts ...grpc.CallOption) (resp *pb.RangeResponse, err error) {
-	err = rkv.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rkv.kc.Range(rctx, in, opts...)
-		return err
-	}, repeatable)
-	return resp, err
+	return rkv.kc.Range(ctx, in, append(opts, withRetryPolicy(repeatable))...)
 }
 
 func (rkv *retryKVClient) Put(ctx context.Context, in *pb.PutRequest, opts ...grpc.CallOption) (resp *pb.PutResponse, err error) {
-	err = rkv.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rkv.kc.Put(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rkv.kc.Put(ctx, in, opts...)
 }
 
 func (rkv *retryKVClient) DeleteRange(ctx context.Context, in *pb.DeleteRangeRequest, opts ...grpc.CallOption) (resp *pb.DeleteRangeResponse, err error) {
-	err = rkv.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rkv.kc.DeleteRange(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rkv.kc.DeleteRange(ctx, in, opts...)
 }
 
 func (rkv *retryKVClient) Txn(ctx context.Context, in *pb.TxnRequest, opts ...grpc.CallOption) (resp *pb.TxnResponse, err error) {
-	// TODO: "repeatable" for read-only txn
-	err = rkv.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rkv.kc.Txn(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rkv.kc.Txn(ctx, in, opts...)
 }
 
 func (rkv *retryKVClient) Compact(ctx context.Context, in *pb.CompactionRequest, opts ...grpc.CallOption) (resp *pb.CompactionResponse, err error) {
-	err = rkv.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rkv.kc.Compact(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rkv.kc.Compact(ctx, in, opts...)
 }
 
 type retryLeaseClient struct {
-	lc     pb.LeaseClient
-	retryf retryRPCFunc
+	lc pb.LeaseClient
 }
 
 // RetryLeaseClient implements a LeaseClient.
 func RetryLeaseClient(c *Client) pb.LeaseClient {
 	return &retryLeaseClient{
-		lc:     pb.NewLeaseClient(c.conn),
-		retryf: c.newAuthRetryWrapper(c.newRetryWrapper()),
+		lc: pb.NewLeaseClient(c.conn),
 	}
 }
 
 func (rlc *retryLeaseClient) LeaseTimeToLive(ctx context.Context, in *pb.LeaseTimeToLiveRequest, opts ...grpc.CallOption) (resp *pb.LeaseTimeToLiveResponse, err error) {
-	err = rlc.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rlc.lc.LeaseTimeToLive(rctx, in, opts...)
-		return err
-	}, repeatable)
-	return resp, err
+	return rlc.lc.LeaseTimeToLive(ctx, in, append(opts, withRetryPolicy(repeatable))...)
 }
 
 func (rlc *retryLeaseClient) LeaseLeases(ctx context.Context, in *pb.LeaseLeasesRequest, opts ...grpc.CallOption) (resp *pb.LeaseLeasesResponse, err error) {
-	err = rlc.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rlc.lc.LeaseLeases(rctx, in, opts...)
-		return err
-	}, repeatable)
-	return resp, err
+	return rlc.lc.LeaseLeases(ctx, in, append(opts, withRetryPolicy(repeatable))...)
 }
 
 func (rlc *retryLeaseClient) LeaseGrant(ctx context.Context, in *pb.LeaseGrantRequest, opts ...grpc.CallOption) (resp *pb.LeaseGrantResponse, err error) {
-	err = rlc.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rlc.lc.LeaseGrant(rctx, in, opts...)
-		return err
-	}, repeatable)
-	return resp, err
-
+	return rlc.lc.LeaseGrant(ctx, in, append(opts, withRetryPolicy(repeatable))...)
 }
 
 func (rlc *retryLeaseClient) LeaseRevoke(ctx context.Context, in *pb.LeaseRevokeRequest, opts ...grpc.CallOption) (resp *pb.LeaseRevokeResponse, err error) {
-	err = rlc.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rlc.lc.LeaseRevoke(rctx, in, opts...)
-		return err
-	}, repeatable)
-	return resp, err
+	return rlc.lc.LeaseRevoke(ctx, in, append(opts, withRetryPolicy(repeatable))...)
 }
 
 func (rlc *retryLeaseClient) LeaseKeepAlive(ctx context.Context, opts ...grpc.CallOption) (stream pb.Lease_LeaseKeepAliveClient, err error) {
-	err = rlc.retryf(ctx, func(rctx context.Context) error {
-		stream, err = rlc.lc.LeaseKeepAlive(rctx, opts...)
-		return err
-	}, repeatable)
-	return stream, err
+	return rlc.lc.LeaseKeepAlive(ctx, append(opts, withRetryPolicy(repeatable))...)
 }
 
 type retryClusterClient struct {
-	cc     pb.ClusterClient
-	retryf retryRPCFunc
+	cc pb.ClusterClient
 }
 
 // RetryClusterClient implements a ClusterClient.
 func RetryClusterClient(c *Client) pb.ClusterClient {
 	return &retryClusterClient{
-		cc:     pb.NewClusterClient(c.conn),
-		retryf: c.newRetryWrapper(),
+		cc: pb.NewClusterClient(c.conn),
 	}
 }
 
 func (rcc *retryClusterClient) MemberList(ctx context.Context, in *pb.MemberListRequest, opts ...grpc.CallOption) (resp *pb.MemberListResponse, err error) {
-	err = rcc.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rcc.cc.MemberList(rctx, in, opts...)
-		return err
-	}, repeatable)
-	return resp, err
+	return rcc.cc.MemberList(ctx, in, append(opts, withRetryPolicy(repeatable))...)
 }
 
 func (rcc *retryClusterClient) MemberAdd(ctx context.Context, in *pb.MemberAddRequest, opts ...grpc.CallOption) (resp *pb.MemberAddResponse, err error) {
-	err = rcc.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rcc.cc.MemberAdd(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rcc.cc.MemberAdd(ctx, in, opts...)
 }
 
 func (rcc *retryClusterClient) MemberRemove(ctx context.Context, in *pb.MemberRemoveRequest, opts ...grpc.CallOption) (resp *pb.MemberRemoveResponse, err error) {
-	err = rcc.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rcc.cc.MemberRemove(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rcc.cc.MemberRemove(ctx, in, opts...)
 }
 
 func (rcc *retryClusterClient) MemberUpdate(ctx context.Context, in *pb.MemberUpdateRequest, opts ...grpc.CallOption) (resp *pb.MemberUpdateResponse, err error) {
-	err = rcc.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rcc.cc.MemberUpdate(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rcc.cc.MemberUpdate(ctx, in, opts...)
 }
 
 type retryMaintenanceClient struct {
-	mc     pb.MaintenanceClient
-	retryf retryRPCFunc
+	mc pb.MaintenanceClient
 }
 
 // RetryMaintenanceClient implements a Maintenance.
 func RetryMaintenanceClient(c *Client, conn *grpc.ClientConn) pb.MaintenanceClient {
 	return &retryMaintenanceClient{
-		mc:     pb.NewMaintenanceClient(conn),
-		retryf: c.newRetryWrapper(),
+		mc: pb.NewMaintenanceClient(conn),
 	}
 }
 
 func (rmc *retryMaintenanceClient) Alarm(ctx context.Context, in *pb.AlarmRequest, opts ...grpc.CallOption) (resp *pb.AlarmResponse, err error) {
-	err = rmc.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rmc.mc.Alarm(rctx, in, opts...)
-		return err
-	}, repeatable)
-	return resp, err
+	return rmc.mc.Alarm(ctx, in, append(opts, withRetryPolicy(repeatable))...)
 }
 
 func (rmc *retryMaintenanceClient) Status(ctx context.Context, in *pb.StatusRequest, opts ...grpc.CallOption) (resp *pb.StatusResponse, err error) {
-	err = rmc.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rmc.mc.Status(rctx, in, opts...)
-		return err
-	}, repeatable)
-	return resp, err
+	return rmc.mc.Status(ctx, in, append(opts, withRetryPolicy(repeatable))...)
 }
 
 func (rmc *retryMaintenanceClient) Hash(ctx context.Context, in *pb.HashRequest, opts ...grpc.CallOption) (resp *pb.HashResponse, err error) {
-	err = rmc.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rmc.mc.Hash(rctx, in, opts...)
-		return err
-	}, repeatable)
-	return resp, err
+	return rmc.mc.Hash(ctx, in, append(opts, withRetryPolicy(repeatable))...)
 }
 
 func (rmc *retryMaintenanceClient) HashKV(ctx context.Context, in *pb.HashKVRequest, opts ...grpc.CallOption) (resp *pb.HashKVResponse, err error) {
-	err = rmc.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rmc.mc.HashKV(rctx, in, opts...)
-		return err
-	}, repeatable)
-	return resp, err
+	return rmc.mc.HashKV(ctx, in, append(opts, withRetryPolicy(repeatable))...)
 }
 
 func (rmc *retryMaintenanceClient) Snapshot(ctx context.Context, in *pb.SnapshotRequest, opts ...grpc.CallOption) (stream pb.Maintenance_SnapshotClient, err error) {
-	err = rmc.retryf(ctx, func(rctx context.Context) error {
-		stream, err = rmc.mc.Snapshot(rctx, in, opts...)
-		return err
-	}, repeatable)
-	return stream, err
+	return rmc.mc.Snapshot(ctx, in, append(opts, withRetryPolicy(repeatable))...)
 }
 
 func (rmc *retryMaintenanceClient) MoveLeader(ctx context.Context, in *pb.MoveLeaderRequest, opts ...grpc.CallOption) (resp *pb.MoveLeaderResponse, err error) {
-	err = rmc.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rmc.mc.MoveLeader(rctx, in, opts...)
-		return err
-	}, repeatable)
-	return resp, err
+	return rmc.mc.MoveLeader(ctx, in, append(opts, withRetryPolicy(repeatable))...)
 }
 
 func (rmc *retryMaintenanceClient) Defragment(ctx context.Context, in *pb.DefragmentRequest, opts ...grpc.CallOption) (resp *pb.DefragmentResponse, err error) {
-	err = rmc.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rmc.mc.Defragment(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rmc.mc.Defragment(ctx, in, opts...)
 }
 
 type retryAuthClient struct {
-	ac     pb.AuthClient
-	retryf retryRPCFunc
+	ac pb.AuthClient
 }
 
 // RetryAuthClient implements a AuthClient.
 func RetryAuthClient(c *Client) pb.AuthClient {
 	return &retryAuthClient{
-		ac:     pb.NewAuthClient(c.conn),
-		retryf: c.newRetryWrapper(),
+		ac: pb.NewAuthClient(c.conn),
 	}
 }
 
 func (rac *retryAuthClient) UserList(ctx context.Context, in *pb.AuthUserListRequest, opts ...grpc.CallOption) (resp *pb.AuthUserListResponse, err error) {
-	err = rac.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rac.ac.UserList(rctx, in, opts...)
-		return err
-	}, repeatable)
-	return resp, err
+	return rac.ac.UserList(ctx, in, append(opts, withRetryPolicy(repeatable))...)
 }
 
 func (rac *retryAuthClient) UserGet(ctx context.Context, in *pb.AuthUserGetRequest, opts ...grpc.CallOption) (resp *pb.AuthUserGetResponse, err error) {
-	err = rac.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rac.ac.UserGet(rctx, in, opts...)
-		return err
-	}, repeatable)
-	return resp, err
+	return rac.ac.UserGet(ctx, in, append(opts, withRetryPolicy(repeatable))...)
 }
 
 func (rac *retryAuthClient) RoleGet(ctx context.Context, in *pb.AuthRoleGetRequest, opts ...grpc.CallOption) (resp *pb.AuthRoleGetResponse, err error) {
-	err = rac.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rac.ac.RoleGet(rctx, in, opts...)
-		return err
-	}, repeatable)
-	return resp, err
+	return rac.ac.RoleGet(ctx, in, append(opts, withRetryPolicy(repeatable))...)
 }
 
 func (rac *retryAuthClient) RoleList(ctx context.Context, in *pb.AuthRoleListRequest, opts ...grpc.CallOption) (resp *pb.AuthRoleListResponse, err error) {
-	err = rac.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rac.ac.RoleList(rctx, in, opts...)
-		return err
-	}, repeatable)
-	return resp, err
+	return rac.ac.RoleList(ctx, in, append(opts, withRetryPolicy(repeatable))...)
 }
 
 func (rac *retryAuthClient) AuthEnable(ctx context.Context, in *pb.AuthEnableRequest, opts ...grpc.CallOption) (resp *pb.AuthEnableResponse, err error) {
-	err = rac.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rac.ac.AuthEnable(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rac.ac.AuthEnable(ctx, in, opts...)
 }
 
 func (rac *retryAuthClient) AuthDisable(ctx context.Context, in *pb.AuthDisableRequest, opts ...grpc.CallOption) (resp *pb.AuthDisableResponse, err error) {
-	err = rac.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rac.ac.AuthDisable(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rac.ac.AuthDisable(ctx, in, opts...)
 }
 
 func (rac *retryAuthClient) UserAdd(ctx context.Context, in *pb.AuthUserAddRequest, opts ...grpc.CallOption) (resp *pb.AuthUserAddResponse, err error) {
-	err = rac.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rac.ac.UserAdd(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rac.ac.UserAdd(ctx, in, opts...)
 }
 
 func (rac *retryAuthClient) UserDelete(ctx context.Context, in *pb.AuthUserDeleteRequest, opts ...grpc.CallOption) (resp *pb.AuthUserDeleteResponse, err error) {
-	err = rac.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rac.ac.UserDelete(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rac.ac.UserDelete(ctx, in, opts...)
 }
 
 func (rac *retryAuthClient) UserChangePassword(ctx context.Context, in *pb.AuthUserChangePasswordRequest, opts ...grpc.CallOption) (resp *pb.AuthUserChangePasswordResponse, err error) {
-	err = rac.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rac.ac.UserChangePassword(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rac.ac.UserChangePassword(ctx, in, opts...)
 }
 
 func (rac *retryAuthClient) UserGrantRole(ctx context.Context, in *pb.AuthUserGrantRoleRequest, opts ...grpc.CallOption) (resp *pb.AuthUserGrantRoleResponse, err error) {
-	err = rac.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rac.ac.UserGrantRole(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rac.ac.UserGrantRole(ctx, in, opts...)
 }
 
 func (rac *retryAuthClient) UserRevokeRole(ctx context.Context, in *pb.AuthUserRevokeRoleRequest, opts ...grpc.CallOption) (resp *pb.AuthUserRevokeRoleResponse, err error) {
-	err = rac.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rac.ac.UserRevokeRole(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rac.ac.UserRevokeRole(ctx, in, opts...)
 }
 
 func (rac *retryAuthClient) RoleAdd(ctx context.Context, in *pb.AuthRoleAddRequest, opts ...grpc.CallOption) (resp *pb.AuthRoleAddResponse, err error) {
-	err = rac.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rac.ac.RoleAdd(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rac.ac.RoleAdd(ctx, in, opts...)
 }
 
 func (rac *retryAuthClient) RoleDelete(ctx context.Context, in *pb.AuthRoleDeleteRequest, opts ...grpc.CallOption) (resp *pb.AuthRoleDeleteResponse, err error) {
-	err = rac.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rac.ac.RoleDelete(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rac.ac.RoleDelete(ctx, in, opts...)
 }
 
 func (rac *retryAuthClient) RoleGrantPermission(ctx context.Context, in *pb.AuthRoleGrantPermissionRequest, opts ...grpc.CallOption) (resp *pb.AuthRoleGrantPermissionResponse, err error) {
-	err = rac.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rac.ac.RoleGrantPermission(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rac.ac.RoleGrantPermission(ctx, in, opts...)
 }
 
 func (rac *retryAuthClient) RoleRevokePermission(ctx context.Context, in *pb.AuthRoleRevokePermissionRequest, opts ...grpc.CallOption) (resp *pb.AuthRoleRevokePermissionResponse, err error) {
-	err = rac.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rac.ac.RoleRevokePermission(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rac.ac.RoleRevokePermission(ctx, in, opts...)
 }
 
 func (rac *retryAuthClient) Authenticate(ctx context.Context, in *pb.AuthenticateRequest, opts ...grpc.CallOption) (resp *pb.AuthenticateResponse, err error) {
-	err = rac.retryf(ctx, func(rctx context.Context) error {
-		resp, err = rac.ac.Authenticate(rctx, in, opts...)
-		return err
-	}, nonRepeatable)
-	return resp, err
+	return rac.ac.Authenticate(ctx, in, opts...)
 }
diff --git a/vendor/go.etcd.io/etcd/clientv3/retry_interceptor.go b/vendor/go.etcd.io/etcd/clientv3/retry_interceptor.go
new file mode 100644
index 0000000..6b1054e
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/clientv3/retry_interceptor.go
@@ -0,0 +1,395 @@
+// Copyright 2016 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Based on github.com/grpc-ecosystem/go-grpc-middleware/retry, but modified to support the more
+// fine grained error checking required by write-at-most-once retry semantics of etcd.
+
+package clientv3
+
+import (
+	"context"
+	"io"
+	"sync"
+	"time"
+
+	"go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes"
+	"go.uber.org/zap"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/metadata"
+)
+
+// unaryClientInterceptor returns a new retrying unary client interceptor.
+//
+// The default configuration of the interceptor is to not retry *at all*. This behaviour can be
+// changed through options (e.g. WithMax) on creation of the interceptor or on call (through grpc.CallOptions).
+func (c *Client) unaryClientInterceptor(logger *zap.Logger, optFuncs ...retryOption) grpc.UnaryClientInterceptor {
+	intOpts := reuseOrNewWithCallOptions(defaultOptions, optFuncs)
+	return func(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
+		grpcOpts, retryOpts := filterCallOptions(opts)
+		callOpts := reuseOrNewWithCallOptions(intOpts, retryOpts)
+		// short circuit for simplicity, and avoiding allocations.
+		if callOpts.max == 0 {
+			return invoker(ctx, method, req, reply, cc, grpcOpts...)
+		}
+		var lastErr error
+		for attempt := uint(0); attempt < callOpts.max; attempt++ {
+			if err := waitRetryBackoff(ctx, attempt, callOpts); err != nil {
+				return err
+			}
+			logger.Info(
+				"retrying of unary invoker",
+				zap.String("target", cc.Target()),
+				zap.Uint("attempt", attempt),
+			)
+			lastErr = invoker(ctx, method, req, reply, cc, grpcOpts...)
+			if lastErr == nil {
+				return nil
+			}
+			logger.Warn(
+				"retrying of unary invoker failed",
+				zap.String("target", cc.Target()),
+				zap.Uint("attempt", attempt),
+				zap.Error(lastErr),
+			)
+			if isContextError(lastErr) {
+				if ctx.Err() != nil {
+					// its the context deadline or cancellation.
+					return lastErr
+				}
+				// its the callCtx deadline or cancellation, in which case try again.
+				continue
+			}
+			if callOpts.retryAuth && rpctypes.Error(lastErr) == rpctypes.ErrInvalidAuthToken {
+				gterr := c.getToken(ctx)
+				if gterr != nil {
+					logger.Warn(
+						"retrying of unary invoker failed to fetch new auth token",
+						zap.String("target", cc.Target()),
+						zap.Error(gterr),
+					)
+					return lastErr // return the original error for simplicity
+				}
+				continue
+			}
+			if !isSafeRetry(c.lg, lastErr, callOpts) {
+				return lastErr
+			}
+		}
+		return lastErr
+	}
+}
+
+// streamClientInterceptor returns a new retrying stream client interceptor for server side streaming calls.
+//
+// The default configuration of the interceptor is to not retry *at all*. This behaviour can be
+// changed through options (e.g. WithMax) on creation of the interceptor or on call (through grpc.CallOptions).
+//
+// Retry logic is available *only for ServerStreams*, i.e. 1:n streams, as the internal logic needs
+// to buffer the messages sent by the client. If retry is enabled on any other streams (ClientStreams,
+// BidiStreams), the retry interceptor will fail the call.
+func (c *Client) streamClientInterceptor(logger *zap.Logger, optFuncs ...retryOption) grpc.StreamClientInterceptor {
+	intOpts := reuseOrNewWithCallOptions(defaultOptions, optFuncs)
+	return func(ctx context.Context, desc *grpc.StreamDesc, cc *grpc.ClientConn, method string, streamer grpc.Streamer, opts ...grpc.CallOption) (grpc.ClientStream, error) {
+		grpcOpts, retryOpts := filterCallOptions(opts)
+		callOpts := reuseOrNewWithCallOptions(intOpts, retryOpts)
+		// short circuit for simplicity, and avoiding allocations.
+		if callOpts.max == 0 {
+			return streamer(ctx, desc, cc, method, grpcOpts...)
+		}
+		if desc.ClientStreams {
+			return nil, grpc.Errorf(codes.Unimplemented, "clientv3/retry_interceptor: cannot retry on ClientStreams, set Disable()")
+		}
+		newStreamer, err := streamer(ctx, desc, cc, method, grpcOpts...)
+		logger.Info("retry stream intercept", zap.Error(err))
+		if err != nil {
+			// TODO(mwitkow): Maybe dial and transport errors should be retriable?
+			return nil, err
+		}
+		retryingStreamer := &serverStreamingRetryingStream{
+			client:       c,
+			ClientStream: newStreamer,
+			callOpts:     callOpts,
+			ctx:          ctx,
+			streamerCall: func(ctx context.Context) (grpc.ClientStream, error) {
+				return streamer(ctx, desc, cc, method, grpcOpts...)
+			},
+		}
+		return retryingStreamer, nil
+	}
+}
+
+// type serverStreamingRetryingStream is the implementation of grpc.ClientStream that acts as a
+// proxy to the underlying call. If any of the RecvMsg() calls fail, it will try to reestablish
+// a new ClientStream according to the retry policy.
+type serverStreamingRetryingStream struct {
+	grpc.ClientStream
+	client        *Client
+	bufferedSends []interface{} // single message that the client can sen
+	receivedGood  bool          // indicates whether any prior receives were successful
+	wasClosedSend bool          // indicates that CloseSend was closed
+	ctx           context.Context
+	callOpts      *options
+	streamerCall  func(ctx context.Context) (grpc.ClientStream, error)
+	mu            sync.RWMutex
+}
+
+func (s *serverStreamingRetryingStream) setStream(clientStream grpc.ClientStream) {
+	s.mu.Lock()
+	s.ClientStream = clientStream
+	s.mu.Unlock()
+}
+
+func (s *serverStreamingRetryingStream) getStream() grpc.ClientStream {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+	return s.ClientStream
+}
+
+func (s *serverStreamingRetryingStream) SendMsg(m interface{}) error {
+	s.mu.Lock()
+	s.bufferedSends = append(s.bufferedSends, m)
+	s.mu.Unlock()
+	return s.getStream().SendMsg(m)
+}
+
+func (s *serverStreamingRetryingStream) CloseSend() error {
+	s.mu.Lock()
+	s.wasClosedSend = true
+	s.mu.Unlock()
+	return s.getStream().CloseSend()
+}
+
+func (s *serverStreamingRetryingStream) Header() (metadata.MD, error) {
+	return s.getStream().Header()
+}
+
+func (s *serverStreamingRetryingStream) Trailer() metadata.MD {
+	return s.getStream().Trailer()
+}
+
+func (s *serverStreamingRetryingStream) RecvMsg(m interface{}) error {
+	attemptRetry, lastErr := s.receiveMsgAndIndicateRetry(m)
+	if !attemptRetry {
+		return lastErr // success or hard failure
+	}
+	// We start off from attempt 1, because zeroth was already made on normal SendMsg().
+	for attempt := uint(1); attempt < s.callOpts.max; attempt++ {
+		if err := waitRetryBackoff(s.ctx, attempt, s.callOpts); err != nil {
+			return err
+		}
+		newStream, err := s.reestablishStreamAndResendBuffer(s.ctx)
+		if err != nil {
+			// TODO(mwitkow): Maybe dial and transport errors should be retriable?
+			return err
+		}
+		s.setStream(newStream)
+		attemptRetry, lastErr = s.receiveMsgAndIndicateRetry(m)
+		//fmt.Printf("Received message and indicate: %v  %v\n", attemptRetry, lastErr)
+		if !attemptRetry {
+			return lastErr
+		}
+	}
+	return lastErr
+}
+
+func (s *serverStreamingRetryingStream) receiveMsgAndIndicateRetry(m interface{}) (bool, error) {
+	s.mu.RLock()
+	wasGood := s.receivedGood
+	s.mu.RUnlock()
+	err := s.getStream().RecvMsg(m)
+	if err == nil || err == io.EOF {
+		s.mu.Lock()
+		s.receivedGood = true
+		s.mu.Unlock()
+		return false, err
+	} else if wasGood {
+		// previous RecvMsg in the stream succeeded, no retry logic should interfere
+		return false, err
+	}
+	if isContextError(err) {
+		if s.ctx.Err() != nil {
+			return false, err
+		}
+		// its the callCtx deadline or cancellation, in which case try again.
+		return true, err
+	}
+	if s.callOpts.retryAuth && rpctypes.Error(err) == rpctypes.ErrInvalidAuthToken {
+		gterr := s.client.getToken(s.ctx)
+		if gterr != nil {
+			s.client.lg.Info("retry failed to fetch new auth token", zap.Error(gterr))
+			return false, err // return the original error for simplicity
+		}
+		return true, err
+
+	}
+	return isSafeRetry(s.client.lg, err, s.callOpts), err
+}
+
+func (s *serverStreamingRetryingStream) reestablishStreamAndResendBuffer(callCtx context.Context) (grpc.ClientStream, error) {
+	s.mu.RLock()
+	bufferedSends := s.bufferedSends
+	s.mu.RUnlock()
+	newStream, err := s.streamerCall(callCtx)
+	if err != nil {
+		return nil, err
+	}
+	for _, msg := range bufferedSends {
+		if err := newStream.SendMsg(msg); err != nil {
+			return nil, err
+		}
+	}
+	if err := newStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return newStream, nil
+}
+
+func waitRetryBackoff(ctx context.Context, attempt uint, callOpts *options) error {
+	waitTime := time.Duration(0)
+	if attempt > 0 {
+		waitTime = callOpts.backoffFunc(attempt)
+	}
+	if waitTime > 0 {
+		timer := time.NewTimer(waitTime)
+		select {
+		case <-ctx.Done():
+			timer.Stop()
+			return contextErrToGrpcErr(ctx.Err())
+		case <-timer.C:
+		}
+	}
+	return nil
+}
+
+// isSafeRetry returns "true", if request is safe for retry with the given error.
+func isSafeRetry(lg *zap.Logger, err error, callOpts *options) bool {
+	if isContextError(err) {
+		return false
+	}
+	switch callOpts.retryPolicy {
+	case repeatable:
+		return isSafeRetryImmutableRPC(err)
+	case nonRepeatable:
+		return isSafeRetryMutableRPC(err)
+	default:
+		lg.Warn("unrecognized retry policy", zap.String("retryPolicy", callOpts.retryPolicy.String()))
+		return false
+	}
+}
+
+func isContextError(err error) bool {
+	return grpc.Code(err) == codes.DeadlineExceeded || grpc.Code(err) == codes.Canceled
+}
+
+func contextErrToGrpcErr(err error) error {
+	switch err {
+	case context.DeadlineExceeded:
+		return grpc.Errorf(codes.DeadlineExceeded, err.Error())
+	case context.Canceled:
+		return grpc.Errorf(codes.Canceled, err.Error())
+	default:
+		return grpc.Errorf(codes.Unknown, err.Error())
+	}
+}
+
+var (
+	defaultOptions = &options{
+		retryPolicy: nonRepeatable,
+		max:         0, // disable
+		backoffFunc: backoffLinearWithJitter(50*time.Millisecond /*jitter*/, 0.10),
+		retryAuth:   true,
+	}
+)
+
+// backoffFunc denotes a family of functions that control the backoff duration between call retries.
+//
+// They are called with an identifier of the attempt, and should return a time the system client should
+// hold off for. If the time returned is longer than the `context.Context.Deadline` of the request
+// the deadline of the request takes precedence and the wait will be interrupted before proceeding
+// with the next iteration.
+type backoffFunc func(attempt uint) time.Duration
+
+// withRetryPolicy sets the retry policy of this call.
+func withRetryPolicy(rp retryPolicy) retryOption {
+	return retryOption{applyFunc: func(o *options) {
+		o.retryPolicy = rp
+	}}
+}
+
+// withAuthRetry sets enables authentication retries.
+func withAuthRetry(retryAuth bool) retryOption {
+	return retryOption{applyFunc: func(o *options) {
+		o.retryAuth = retryAuth
+	}}
+}
+
+// withMax sets the maximum number of retries on this call, or this interceptor.
+func withMax(maxRetries uint) retryOption {
+	return retryOption{applyFunc: func(o *options) {
+		o.max = maxRetries
+	}}
+}
+
+// WithBackoff sets the `BackoffFunc `used to control time between retries.
+func withBackoff(bf backoffFunc) retryOption {
+	return retryOption{applyFunc: func(o *options) {
+		o.backoffFunc = bf
+	}}
+}
+
+type options struct {
+	retryPolicy retryPolicy
+	max         uint
+	backoffFunc backoffFunc
+	retryAuth   bool
+}
+
+// retryOption is a grpc.CallOption that is local to clientv3's retry interceptor.
+type retryOption struct {
+	grpc.EmptyCallOption // make sure we implement private after() and before() fields so we don't panic.
+	applyFunc            func(opt *options)
+}
+
+func reuseOrNewWithCallOptions(opt *options, retryOptions []retryOption) *options {
+	if len(retryOptions) == 0 {
+		return opt
+	}
+	optCopy := &options{}
+	*optCopy = *opt
+	for _, f := range retryOptions {
+		f.applyFunc(optCopy)
+	}
+	return optCopy
+}
+
+func filterCallOptions(callOptions []grpc.CallOption) (grpcOptions []grpc.CallOption, retryOptions []retryOption) {
+	for _, opt := range callOptions {
+		if co, ok := opt.(retryOption); ok {
+			retryOptions = append(retryOptions, co)
+		} else {
+			grpcOptions = append(grpcOptions, opt)
+		}
+	}
+	return grpcOptions, retryOptions
+}
+
+// BackoffLinearWithJitter waits a set period of time, allowing for jitter (fractional adjustment).
+//
+// For example waitBetween=1s and jitter=0.10 can generate waits between 900ms and 1100ms.
+func backoffLinearWithJitter(waitBetween time.Duration, jitterFraction float64) backoffFunc {
+	return func(attempt uint) time.Duration {
+		return jitterUp(waitBetween, jitterFraction)
+	}
+}
diff --git a/vendor/go.etcd.io/etcd/clientv3/txn.go b/vendor/go.etcd.io/etcd/clientv3/txn.go
index c3c2d24..c19715d 100644
--- a/vendor/go.etcd.io/etcd/clientv3/txn.go
+++ b/vendor/go.etcd.io/etcd/clientv3/txn.go
@@ -18,7 +18,7 @@
 	"context"
 	"sync"
 
-	pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
+	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
 
 	"google.golang.org/grpc"
 )
diff --git a/vendor/go.etcd.io/etcd/clientv3/utils.go b/vendor/go.etcd.io/etcd/clientv3/utils.go
new file mode 100644
index 0000000..8502758
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/clientv3/utils.go
@@ -0,0 +1,31 @@
+// Copyright 2018 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package clientv3
+
+import (
+	"math/rand"
+	"time"
+)
+
+// jitterUp adds random jitter to the duration.
+//
+// This adds or subtracts time from the duration within a given jitter fraction.
+// For example for 10s and jitter 0.1, it will return a time within [9s, 11s])
+//
+// Reference: https://godoc.org/github.com/grpc-ecosystem/go-grpc-middleware/util/backoffutils
+func jitterUp(duration time.Duration, jitter float64) time.Duration {
+	multiplier := jitter * (rand.Float64()*2 - 1)
+	return time.Duration(float64(duration) * (1 + multiplier))
+}
diff --git a/vendor/go.etcd.io/etcd/clientv3/watch.go b/vendor/go.etcd.io/etcd/clientv3/watch.go
index d763385..8ec58bb 100644
--- a/vendor/go.etcd.io/etcd/clientv3/watch.go
+++ b/vendor/go.etcd.io/etcd/clientv3/watch.go
@@ -16,13 +16,14 @@
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"sync"
 	"time"
 
-	v3rpc "github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes"
-	pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
-	mvccpb "github.com/coreos/etcd/mvcc/mvccpb"
+	v3rpc "go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes"
+	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
+	mvccpb "go.etcd.io/etcd/mvcc/mvccpb"
 
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
@@ -46,8 +47,33 @@
 	// through the returned channel. If revisions waiting to be sent over the
 	// watch are compacted, then the watch will be canceled by the server, the
 	// client will post a compacted error watch response, and the channel will close.
+	// If the context "ctx" is canceled or timed out, returned "WatchChan" is closed,
+	// and "WatchResponse" from this closed channel has zero events and nil "Err()".
+	// The context "ctx" MUST be canceled, as soon as watcher is no longer being used,
+	// to release the associated resources.
+	//
+	// If the context is "context.Background/TODO", returned "WatchChan" will
+	// not be closed and block until event is triggered, except when server
+	// returns a non-recoverable error (e.g. ErrCompacted).
+	// For example, when context passed with "WithRequireLeader" and the
+	// connected server has no leader (e.g. due to network partition),
+	// error "etcdserver: no leader" (ErrNoLeader) will be returned,
+	// and then "WatchChan" is closed with non-nil "Err()".
+	// In order to prevent a watch stream being stuck in a partitioned node,
+	// make sure to wrap context with "WithRequireLeader".
+	//
+	// Otherwise, as long as the context has not been canceled or timed out,
+	// watch will retry on other recoverable errors forever until reconnected.
+	//
+	// TODO: explicitly set context error in the last "WatchResponse" message and close channel?
+	// Currently, client contexts are overwritten with "valCtx" that never closes.
+	// TODO(v3.4): configure watch retry policy, limit maximum retry number
+	// (see https://github.com/etcd-io/etcd/issues/8980)
 	Watch(ctx context.Context, key string, opts ...OpOption) WatchChan
 
+	// RequestProgress requests a progress notify response be sent in all watch channels.
+	RequestProgress(ctx context.Context) error
+
 	// Close closes the watcher and cancels all watch requests.
 	Close() error
 }
@@ -134,7 +160,7 @@
 	resuming []*watcherStream
 
 	// reqc sends a watch request from Watch() to the main goroutine
-	reqc chan *watchRequest
+	reqc chan watchStreamRequest
 	// respc receives data from the watch client
 	respc chan *pb.WatchResponse
 	// donec closes to broadcast shutdown
@@ -152,16 +178,27 @@
 	closeErr error
 }
 
+// watchStreamRequest is a union of the supported watch request operation types
+type watchStreamRequest interface {
+	toPB() *pb.WatchRequest
+}
+
 // watchRequest is issued by the subscriber to start a new watcher
 type watchRequest struct {
 	ctx context.Context
 	key string
 	end string
 	rev int64
+
 	// send created notification event if this field is true
 	createdNotify bool
 	// progressNotify is for progress updates
 	progressNotify bool
+	// fragmentation should be disabled by default
+	// if true, split watch events when total exceeds
+	// "--max-request-bytes" flag value + 512-byte
+	fragment bool
+
 	// filters is the list of events to filter out
 	filters []pb.WatchCreateRequest_FilterType
 	// get the previous key-value pair before the event happens
@@ -170,6 +207,10 @@
 	retc chan chan WatchResponse
 }
 
+// progressRequest is issued by the subscriber to request watch progress
+type progressRequest struct {
+}
+
 // watcherStream represents a registered watcher
 type watcherStream struct {
 	// initReq is the request that initiated this request
@@ -227,7 +268,7 @@
 		cancel:     cancel,
 		substreams: make(map[int64]*watcherStream),
 		respc:      make(chan *pb.WatchResponse),
-		reqc:       make(chan *watchRequest),
+		reqc:       make(chan watchStreamRequest),
 		donec:      make(chan struct{}),
 		errc:       make(chan error, 1),
 		closingc:   make(chan *watcherStream),
@@ -256,6 +297,7 @@
 		end:            string(ow.end),
 		rev:            ow.rev,
 		progressNotify: ow.progressNotify,
+		fragment:       ow.fragment,
 		filters:        filters,
 		prevKV:         ow.prevKV,
 		retc:           make(chan chan WatchResponse, 1),
@@ -292,7 +334,7 @@
 	case <-wr.ctx.Done():
 	case <-donec:
 		if wgs.closeErr != nil {
-			closeCh <- WatchResponse{closeErr: wgs.closeErr}
+			closeCh <- WatchResponse{Canceled: true, closeErr: wgs.closeErr}
 			break
 		}
 		// retry; may have dropped stream from no ctxs
@@ -307,7 +349,7 @@
 		case <-ctx.Done():
 		case <-donec:
 			if wgs.closeErr != nil {
-				closeCh <- WatchResponse{closeErr: wgs.closeErr}
+				closeCh <- WatchResponse{Canceled: true, closeErr: wgs.closeErr}
 				break
 			}
 			// retry; may have dropped stream from no ctxs
@@ -332,6 +374,42 @@
 	return err
 }
 
+// RequestProgress requests a progress notify response be sent in all watch channels.
+func (w *watcher) RequestProgress(ctx context.Context) (err error) {
+	ctxKey := streamKeyFromCtx(ctx)
+
+	w.mu.Lock()
+	if w.streams == nil {
+		return fmt.Errorf("no stream found for context")
+	}
+	wgs := w.streams[ctxKey]
+	if wgs == nil {
+		wgs = w.newWatcherGrpcStream(ctx)
+		w.streams[ctxKey] = wgs
+	}
+	donec := wgs.donec
+	reqc := wgs.reqc
+	w.mu.Unlock()
+
+	pr := &progressRequest{}
+
+	select {
+	case reqc <- pr:
+		return nil
+	case <-ctx.Done():
+		if err == nil {
+			return ctx.Err()
+		}
+		return err
+	case <-donec:
+		if wgs.closeErr != nil {
+			return wgs.closeErr
+		}
+		// retry; may have dropped stream from no ctxs
+		return w.RequestProgress(ctx)
+	}
+}
+
 func (w *watchGrpcStream) close() (err error) {
 	w.cancel()
 	<-w.donec
@@ -353,7 +431,9 @@
 }
 
 func (w *watchGrpcStream) addSubstream(resp *pb.WatchResponse, ws *watcherStream) {
-	if resp.WatchId == -1 {
+	// check watch ID for backward compatibility (<= v3.3)
+	if resp.WatchId == -1 || (resp.Canceled && resp.CancelReason != "") {
+		w.closeErr = v3rpc.Error(errors.New(resp.CancelReason))
 		// failed; no channel
 		close(ws.recvc)
 		return
@@ -379,7 +459,7 @@
 	}
 	// close subscriber's channel
 	if closeErr := w.closeErr; closeErr != nil && ws.initReq.ctx.Err() == nil {
-		go w.sendCloseSubstream(ws, &WatchResponse{closeErr: w.closeErr})
+		go w.sendCloseSubstream(ws, &WatchResponse{Canceled: true, closeErr: w.closeErr})
 	} else if ws.outc != nil {
 		close(ws.outc)
 	}
@@ -434,31 +514,48 @@
 
 	cancelSet := make(map[int64]struct{})
 
+	var cur *pb.WatchResponse
 	for {
 		select {
 		// Watch() requested
-		case wreq := <-w.reqc:
-			outc := make(chan WatchResponse, 1)
-			ws := &watcherStream{
-				initReq: *wreq,
-				id:      -1,
-				outc:    outc,
-				// unbuffered so resumes won't cause repeat events
-				recvc: make(chan *WatchResponse),
+		case req := <-w.reqc:
+			switch wreq := req.(type) {
+			case *watchRequest:
+				outc := make(chan WatchResponse, 1)
+				// TODO: pass custom watch ID?
+				ws := &watcherStream{
+					initReq: *wreq,
+					id:      -1,
+					outc:    outc,
+					// unbuffered so resumes won't cause repeat events
+					recvc: make(chan *WatchResponse),
+				}
+
+				ws.donec = make(chan struct{})
+				w.wg.Add(1)
+				go w.serveSubstream(ws, w.resumec)
+
+				// queue up for watcher creation/resume
+				w.resuming = append(w.resuming, ws)
+				if len(w.resuming) == 1 {
+					// head of resume queue, can register a new watcher
+					wc.Send(ws.initReq.toPB())
+				}
+			case *progressRequest:
+				wc.Send(wreq.toPB())
 			}
 
-			ws.donec = make(chan struct{})
-			w.wg.Add(1)
-			go w.serveSubstream(ws, w.resumec)
-
-			// queue up for watcher creation/resume
-			w.resuming = append(w.resuming, ws)
-			if len(w.resuming) == 1 {
-				// head of resume queue, can register a new watcher
-				wc.Send(ws.initReq.toPB())
-			}
-		// New events from the watch client
+		// new events from the watch client
 		case pbresp := <-w.respc:
+			if cur == nil || pbresp.Created || pbresp.Canceled {
+				cur = pbresp
+			} else if cur != nil && cur.WatchId == pbresp.WatchId {
+				// merge new events
+				cur.Events = append(cur.Events, pbresp.Events...)
+				// update "Fragment" field; last response with "Fragment" == false
+				cur.Fragment = pbresp.Fragment
+			}
+
 			switch {
 			case pbresp.Created:
 				// response to head of queue creation
@@ -467,9 +564,14 @@
 					w.dispatchEvent(pbresp)
 					w.resuming[0] = nil
 				}
+
 				if ws := w.nextResume(); ws != nil {
 					wc.Send(ws.initReq.toPB())
 				}
+
+				// reset for next iteration
+				cur = nil
+
 			case pbresp.Canceled && pbresp.CompactRevision == 0:
 				delete(cancelSet, pbresp.WatchId)
 				if ws, ok := w.substreams[pbresp.WatchId]; ok {
@@ -477,15 +579,31 @@
 					close(ws.recvc)
 					closing[ws] = struct{}{}
 				}
+
+				// reset for next iteration
+				cur = nil
+
+			case cur.Fragment:
+				// watch response events are still fragmented
+				// continue to fetch next fragmented event arrival
+				continue
+
 			default:
 				// dispatch to appropriate watch stream
-				if ok := w.dispatchEvent(pbresp); ok {
+				ok := w.dispatchEvent(cur)
+
+				// reset for next iteration
+				cur = nil
+
+				if ok {
 					break
 				}
+
 				// watch response on unexpected watch id; cancel id
 				if _, ok := cancelSet[pbresp.WatchId]; ok {
 					break
 				}
+
 				cancelSet[pbresp.WatchId] = struct{}{}
 				cr := &pb.WatchRequest_CancelRequest{
 					CancelRequest: &pb.WatchCancelRequest{
@@ -495,6 +613,7 @@
 				req := &pb.WatchRequest{RequestUnion: cr}
 				wc.Send(req)
 			}
+
 		// watch client failed on Recv; spawn another if possible
 		case err := <-w.errc:
 			if isHaltErr(w.ctx, err) || toErr(w.ctx, err) == v3rpc.ErrNoLeader {
@@ -508,13 +627,15 @@
 				wc.Send(ws.initReq.toPB())
 			}
 			cancelSet = make(map[int64]struct{})
+
 		case <-w.ctx.Done():
 			return
+
 		case ws := <-w.closingc:
 			w.closeSubstream(ws)
 			delete(closing, ws)
+			// no more watchers on this stream, shutdown
 			if len(w.substreams)+len(w.resuming) == 0 {
-				// no more watchers on this stream, shutdown
 				return
 			}
 		}
@@ -539,6 +660,7 @@
 	for i, ev := range pbresp.Events {
 		events[i] = (*Event)(ev)
 	}
+	// TODO: return watch ID?
 	wr := &WatchResponse{
 		Header:          *pbresp.Header,
 		Events:          events,
@@ -547,7 +669,31 @@
 		Canceled:        pbresp.Canceled,
 		cancelReason:    pbresp.CancelReason,
 	}
-	ws, ok := w.substreams[pbresp.WatchId]
+
+	// watch IDs are zero indexed, so request notify watch responses are assigned a watch ID of -1 to
+	// indicate they should be broadcast.
+	if wr.IsProgressNotify() && pbresp.WatchId == -1 {
+		return w.broadcastResponse(wr)
+	}
+
+	return w.unicastResponse(wr, pbresp.WatchId)
+
+}
+
+// broadcastResponse send a watch response to all watch substreams.
+func (w *watchGrpcStream) broadcastResponse(wr *WatchResponse) bool {
+	for _, ws := range w.substreams {
+		select {
+		case ws.recvc <- wr:
+		case <-ws.donec:
+		}
+	}
+	return true
+}
+
+// unicastResponse sends a watch response to a specific watch substream.
+func (w *watchGrpcStream) unicastResponse(wr *WatchResponse, watchId int64) bool {
+	ws, ok := w.substreams[watchId]
 	if !ok {
 		return false
 	}
@@ -815,11 +961,19 @@
 		ProgressNotify: wr.progressNotify,
 		Filters:        wr.filters,
 		PrevKv:         wr.prevKV,
+		Fragment:       wr.fragment,
 	}
 	cr := &pb.WatchRequest_CreateRequest{CreateRequest: req}
 	return &pb.WatchRequest{RequestUnion: cr}
 }
 
+// toPB converts an internal progress request structure to its protobuf WatchRequest structure.
+func (pr *progressRequest) toPB() *pb.WatchRequest {
+	req := &pb.WatchProgressRequest{}
+	cr := &pb.WatchRequest_ProgressRequest{ProgressRequest: req}
+	return &pb.WatchRequest{RequestUnion: cr}
+}
+
 func streamKeyFromCtx(ctx context.Context) string {
 	if md, ok := metadata.FromOutgoingContext(ctx); ok {
 		return fmt.Sprintf("%+v", md)
diff --git a/vendor/go.etcd.io/etcd/cmd/etcd b/vendor/go.etcd.io/etcd/cmd/etcd
deleted file mode 120000
index b870225..0000000
--- a/vendor/go.etcd.io/etcd/cmd/etcd
+++ /dev/null
@@ -1 +0,0 @@
-../
\ No newline at end of file
diff --git a/vendor/go.etcd.io/etcd/cmd/etcdctl b/vendor/go.etcd.io/etcd/cmd/etcdctl
deleted file mode 120000
index 05bb269..0000000
--- a/vendor/go.etcd.io/etcd/cmd/etcdctl
+++ /dev/null
@@ -1 +0,0 @@
-../etcdctl
\ No newline at end of file
diff --git a/vendor/go.etcd.io/etcd/cmd/functional b/vendor/go.etcd.io/etcd/cmd/functional
deleted file mode 120000
index 44faa31..0000000
--- a/vendor/go.etcd.io/etcd/cmd/functional
+++ /dev/null
@@ -1 +0,0 @@
-../functional
\ No newline at end of file
diff --git a/vendor/go.etcd.io/etcd/cmd/tools b/vendor/go.etcd.io/etcd/cmd/tools
deleted file mode 120000
index 4887d6e..0000000
--- a/vendor/go.etcd.io/etcd/cmd/tools
+++ /dev/null
@@ -1 +0,0 @@
-../tools
\ No newline at end of file
diff --git a/vendor/go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes/error.go b/vendor/go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes/error.go
index 55eab38..9e45cea 100644
--- a/vendor/go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes/error.go
+++ b/vendor/go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes/error.go
@@ -61,6 +61,7 @@
 
 	ErrGRPCNoLeader                   = status.New(codes.Unavailable, "etcdserver: no leader").Err()
 	ErrGRPCNotLeader                  = status.New(codes.FailedPrecondition, "etcdserver: not leader").Err()
+	ErrGRPCLeaderChanged              = status.New(codes.Unavailable, "etcdserver: leader changed").Err()
 	ErrGRPCNotCapable                 = status.New(codes.Unavailable, "etcdserver: not capable").Err()
 	ErrGRPCStopped                    = status.New(codes.Unavailable, "etcdserver: server stopped").Err()
 	ErrGRPCTimeout                    = status.New(codes.Unavailable, "etcdserver: request timed out").Err()
@@ -111,6 +112,7 @@
 
 		ErrorDesc(ErrGRPCNoLeader):                   ErrGRPCNoLeader,
 		ErrorDesc(ErrGRPCNotLeader):                  ErrGRPCNotLeader,
+		ErrorDesc(ErrGRPCLeaderChanged):              ErrGRPCLeaderChanged,
 		ErrorDesc(ErrGRPCNotCapable):                 ErrGRPCNotCapable,
 		ErrorDesc(ErrGRPCStopped):                    ErrGRPCStopped,
 		ErrorDesc(ErrGRPCTimeout):                    ErrGRPCTimeout,
@@ -163,6 +165,7 @@
 
 	ErrNoLeader                   = Error(ErrGRPCNoLeader)
 	ErrNotLeader                  = Error(ErrGRPCNotLeader)
+	ErrLeaderChanged              = Error(ErrGRPCLeaderChanged)
 	ErrNotCapable                 = Error(ErrGRPCNotCapable)
 	ErrStopped                    = Error(ErrGRPCStopped)
 	ErrTimeout                    = Error(ErrGRPCTimeout)
diff --git a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go b/vendor/go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes/metadatafields.go
similarity index 83%
rename from vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go
rename to vendor/go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes/metadatafields.go
index 5c590e1..8f8ac60 100644
--- a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go
+++ b/vendor/go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes/metadatafields.go
@@ -1,4 +1,4 @@
-// Copyright 2016 The etcd Authors
+// Copyright 2018 The etcd Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -15,6 +15,6 @@
 package rpctypes
 
 var (
-	MetadataRequireLeaderKey = "hasleader"
-	MetadataHasLeader        = "true"
+	TokenFieldNameGRPC    = "token"
+	TokenFieldNameSwagger = "authorization"
 )
diff --git a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/etcdserver.pb.go b/vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/etcdserver.pb.go
similarity index 99%
rename from vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/etcdserver.pb.go
rename to vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/etcdserver.pb.go
index 90045a5..f5134b9 100644
--- a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/etcdserver.pb.go
+++ b/vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/etcdserver.pb.go
@@ -39,11 +39,15 @@
 		WatchRequest
 		WatchCreateRequest
 		WatchCancelRequest
+		WatchProgressRequest
 		WatchResponse
 		LeaseGrantRequest
 		LeaseGrantResponse
 		LeaseRevokeRequest
 		LeaseRevokeResponse
+		LeaseCheckpoint
+		LeaseCheckpointRequest
+		LeaseCheckpointResponse
 		LeaseKeepAliveRequest
 		LeaseKeepAliveResponse
 		LeaseTimeToLiveRequest
diff --git a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/etcdserver.proto b/vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/etcdserver.proto
similarity index 100%
rename from vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/etcdserver.proto
rename to vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/etcdserver.proto
diff --git a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/raft_internal.pb.go b/vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/raft_internal.pb.go
similarity index 86%
rename from vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/raft_internal.pb.go
rename to vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/raft_internal.pb.go
index 3084c6c..b170499 100644
--- a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/raft_internal.pb.go
+++ b/vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/raft_internal.pb.go
@@ -47,6 +47,7 @@
 	LeaseGrant               *LeaseGrantRequest               `protobuf:"bytes,8,opt,name=lease_grant,json=leaseGrant" json:"lease_grant,omitempty"`
 	LeaseRevoke              *LeaseRevokeRequest              `protobuf:"bytes,9,opt,name=lease_revoke,json=leaseRevoke" json:"lease_revoke,omitempty"`
 	Alarm                    *AlarmRequest                    `protobuf:"bytes,10,opt,name=alarm" json:"alarm,omitempty"`
+	LeaseCheckpoint          *LeaseCheckpointRequest          `protobuf:"bytes,11,opt,name=lease_checkpoint,json=leaseCheckpoint" json:"lease_checkpoint,omitempty"`
 	AuthEnable               *AuthEnableRequest               `protobuf:"bytes,1000,opt,name=auth_enable,json=authEnable" json:"auth_enable,omitempty"`
 	AuthDisable              *AuthDisableRequest              `protobuf:"bytes,1011,opt,name=auth_disable,json=authDisable" json:"auth_disable,omitempty"`
 	Authenticate             *InternalAuthenticateRequest     `protobuf:"bytes,1012,opt,name=authenticate" json:"authenticate,omitempty"`
@@ -245,17 +246,27 @@
 		}
 		i += n9
 	}
+	if m.LeaseCheckpoint != nil {
+		dAtA[i] = 0x5a
+		i++
+		i = encodeVarintRaftInternal(dAtA, i, uint64(m.LeaseCheckpoint.Size()))
+		n10, err := m.LeaseCheckpoint.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n10
+	}
 	if m.Header != nil {
 		dAtA[i] = 0xa2
 		i++
 		dAtA[i] = 0x6
 		i++
 		i = encodeVarintRaftInternal(dAtA, i, uint64(m.Header.Size()))
-		n10, err := m.Header.MarshalTo(dAtA[i:])
+		n11, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n10
+		i += n11
 	}
 	if m.AuthEnable != nil {
 		dAtA[i] = 0xc2
@@ -263,11 +274,11 @@
 		dAtA[i] = 0x3e
 		i++
 		i = encodeVarintRaftInternal(dAtA, i, uint64(m.AuthEnable.Size()))
-		n11, err := m.AuthEnable.MarshalTo(dAtA[i:])
+		n12, err := m.AuthEnable.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n11
+		i += n12
 	}
 	if m.AuthDisable != nil {
 		dAtA[i] = 0x9a
@@ -275,11 +286,11 @@
 		dAtA[i] = 0x3f
 		i++
 		i = encodeVarintRaftInternal(dAtA, i, uint64(m.AuthDisable.Size()))
-		n12, err := m.AuthDisable.MarshalTo(dAtA[i:])
+		n13, err := m.AuthDisable.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n12
+		i += n13
 	}
 	if m.Authenticate != nil {
 		dAtA[i] = 0xa2
@@ -287,11 +298,11 @@
 		dAtA[i] = 0x3f
 		i++
 		i = encodeVarintRaftInternal(dAtA, i, uint64(m.Authenticate.Size()))
-		n13, err := m.Authenticate.MarshalTo(dAtA[i:])
+		n14, err := m.Authenticate.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n13
+		i += n14
 	}
 	if m.AuthUserAdd != nil {
 		dAtA[i] = 0xe2
@@ -299,11 +310,11 @@
 		dAtA[i] = 0x44
 		i++
 		i = encodeVarintRaftInternal(dAtA, i, uint64(m.AuthUserAdd.Size()))
-		n14, err := m.AuthUserAdd.MarshalTo(dAtA[i:])
+		n15, err := m.AuthUserAdd.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n14
+		i += n15
 	}
 	if m.AuthUserDelete != nil {
 		dAtA[i] = 0xea
@@ -311,11 +322,11 @@
 		dAtA[i] = 0x44
 		i++
 		i = encodeVarintRaftInternal(dAtA, i, uint64(m.AuthUserDelete.Size()))
-		n15, err := m.AuthUserDelete.MarshalTo(dAtA[i:])
+		n16, err := m.AuthUserDelete.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n15
+		i += n16
 	}
 	if m.AuthUserGet != nil {
 		dAtA[i] = 0xf2
@@ -323,11 +334,11 @@
 		dAtA[i] = 0x44
 		i++
 		i = encodeVarintRaftInternal(dAtA, i, uint64(m.AuthUserGet.Size()))
-		n16, err := m.AuthUserGet.MarshalTo(dAtA[i:])
+		n17, err := m.AuthUserGet.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n16
+		i += n17
 	}
 	if m.AuthUserChangePassword != nil {
 		dAtA[i] = 0xfa
@@ -335,11 +346,11 @@
 		dAtA[i] = 0x44
 		i++
 		i = encodeVarintRaftInternal(dAtA, i, uint64(m.AuthUserChangePassword.Size()))
-		n17, err := m.AuthUserChangePassword.MarshalTo(dAtA[i:])
+		n18, err := m.AuthUserChangePassword.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n17
+		i += n18
 	}
 	if m.AuthUserGrantRole != nil {
 		dAtA[i] = 0x82
@@ -347,11 +358,11 @@
 		dAtA[i] = 0x45
 		i++
 		i = encodeVarintRaftInternal(dAtA, i, uint64(m.AuthUserGrantRole.Size()))
-		n18, err := m.AuthUserGrantRole.MarshalTo(dAtA[i:])
+		n19, err := m.AuthUserGrantRole.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n18
+		i += n19
 	}
 	if m.AuthUserRevokeRole != nil {
 		dAtA[i] = 0x8a
@@ -359,11 +370,11 @@
 		dAtA[i] = 0x45
 		i++
 		i = encodeVarintRaftInternal(dAtA, i, uint64(m.AuthUserRevokeRole.Size()))
-		n19, err := m.AuthUserRevokeRole.MarshalTo(dAtA[i:])
+		n20, err := m.AuthUserRevokeRole.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n19
+		i += n20
 	}
 	if m.AuthUserList != nil {
 		dAtA[i] = 0x92
@@ -371,11 +382,11 @@
 		dAtA[i] = 0x45
 		i++
 		i = encodeVarintRaftInternal(dAtA, i, uint64(m.AuthUserList.Size()))
-		n20, err := m.AuthUserList.MarshalTo(dAtA[i:])
+		n21, err := m.AuthUserList.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n20
+		i += n21
 	}
 	if m.AuthRoleList != nil {
 		dAtA[i] = 0x9a
@@ -383,11 +394,11 @@
 		dAtA[i] = 0x45
 		i++
 		i = encodeVarintRaftInternal(dAtA, i, uint64(m.AuthRoleList.Size()))
-		n21, err := m.AuthRoleList.MarshalTo(dAtA[i:])
+		n22, err := m.AuthRoleList.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n21
+		i += n22
 	}
 	if m.AuthRoleAdd != nil {
 		dAtA[i] = 0x82
@@ -395,11 +406,11 @@
 		dAtA[i] = 0x4b
 		i++
 		i = encodeVarintRaftInternal(dAtA, i, uint64(m.AuthRoleAdd.Size()))
-		n22, err := m.AuthRoleAdd.MarshalTo(dAtA[i:])
+		n23, err := m.AuthRoleAdd.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n22
+		i += n23
 	}
 	if m.AuthRoleDelete != nil {
 		dAtA[i] = 0x8a
@@ -407,11 +418,11 @@
 		dAtA[i] = 0x4b
 		i++
 		i = encodeVarintRaftInternal(dAtA, i, uint64(m.AuthRoleDelete.Size()))
-		n23, err := m.AuthRoleDelete.MarshalTo(dAtA[i:])
+		n24, err := m.AuthRoleDelete.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n23
+		i += n24
 	}
 	if m.AuthRoleGet != nil {
 		dAtA[i] = 0x92
@@ -419,11 +430,11 @@
 		dAtA[i] = 0x4b
 		i++
 		i = encodeVarintRaftInternal(dAtA, i, uint64(m.AuthRoleGet.Size()))
-		n24, err := m.AuthRoleGet.MarshalTo(dAtA[i:])
+		n25, err := m.AuthRoleGet.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n24
+		i += n25
 	}
 	if m.AuthRoleGrantPermission != nil {
 		dAtA[i] = 0x9a
@@ -431,11 +442,11 @@
 		dAtA[i] = 0x4b
 		i++
 		i = encodeVarintRaftInternal(dAtA, i, uint64(m.AuthRoleGrantPermission.Size()))
-		n25, err := m.AuthRoleGrantPermission.MarshalTo(dAtA[i:])
+		n26, err := m.AuthRoleGrantPermission.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n25
+		i += n26
 	}
 	if m.AuthRoleRevokePermission != nil {
 		dAtA[i] = 0xa2
@@ -443,11 +454,11 @@
 		dAtA[i] = 0x4b
 		i++
 		i = encodeVarintRaftInternal(dAtA, i, uint64(m.AuthRoleRevokePermission.Size()))
-		n26, err := m.AuthRoleRevokePermission.MarshalTo(dAtA[i:])
+		n27, err := m.AuthRoleRevokePermission.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n26
+		i += n27
 	}
 	return i, nil
 }
@@ -573,6 +584,10 @@
 		l = m.Alarm.Size()
 		n += 1 + l + sovRaftInternal(uint64(l))
 	}
+	if m.LeaseCheckpoint != nil {
+		l = m.LeaseCheckpoint.Size()
+		n += 1 + l + sovRaftInternal(uint64(l))
+	}
 	if m.Header != nil {
 		l = m.Header.Size()
 		n += 2 + l + sovRaftInternal(uint64(l))
@@ -1143,6 +1158,39 @@
 				return err
 			}
 			iNdEx = postIndex
+		case 11:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field LeaseCheckpoint", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaftInternal
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthRaftInternal
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.LeaseCheckpoint == nil {
+				m.LeaseCheckpoint = &LeaseCheckpointRequest{}
+			}
+			if err := m.LeaseCheckpoint.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		case 100:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field Header", wireType)
@@ -2020,58 +2068,60 @@
 func init() { proto.RegisterFile("raft_internal.proto", fileDescriptorRaftInternal) }
 
 var fileDescriptorRaftInternal = []byte{
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+	0xd9, 0x91, 0xea, 0x4b, 0x2d, 0xce, 0xe8, 0x2f, 0x53, 0x6b, 0x1a, 0x7f, 0x8e, 0xb6, 0xc6, 0xfa,
+	0x15, 0xfb, 0xe2, 0xb2, 0x38, 0x04, 0xf2, 0xa0, 0x3c, 0xde, 0x9c, 0xd1, 0xb6, 0xdc, 0xb5, 0x38,
+	0x3f, 0xea, 0x97, 0xe8, 0x64, 0x06, 0x7f, 0x81, 0xb6, 0x73, 0xb2, 0x5a, 0x3d, 0x85, 0xfe, 0x53,
+	0xa1, 0xdf, 0xb2, 0xa3, 0xf5, 0x0e, 0x8e, 0xb1, 0x31, 0x9d, 0x4a, 0xe1, 0x53, 0xb4, 0x96, 0xc3,
+	0xc3, 0x20, 0xe5, 0xe4, 0x2f, 0x45, 0xdd, 0xb3, 0x53, 0xcf, 0x83, 0x94, 0x17, 0xe6, 0x28, 0x0b,
+	0x1a, 0x92, 0x68, 0x4d, 0x91, 0xfe, 0x9e, 0x49, 0x12, 0xd6, 0x53, 0xa4, 0x2c, 0x68, 0x8e, 0x5e,
+	0x92, 0xc4, 0x44, 0x7e, 0x5f, 0x99, 0x75, 0xf4, 0xa2, 0x66, 0x72, 0x22, 0x75, 0xcc, 0x4c, 0xa4,
+	0xc4, 0xe8, 0x89, 0xfc, 0xa1, 0x32, 0x6b, 0x22, 0x45, 0x95, 0x65, 0x22, 0xf3, 0x70, 0xb1, 0x2d,
+	0x31, 0x91, 0x3f, 0x3e, 0xd9, 0xd6, 0xe4, 0x44, 0xea, 0x18, 0xfe, 0x0a, 0xd5, 0xc7, 0x30, 0x72,
+	0x50, 0x12, 0x60, 0x83, 0x20, 0x95, 0xff, 0x18, 0x7f, 0x52, 0xcc, 0xf7, 0x66, 0x30, 0x85, 0xfc,
+	0xd2, 0xa8, 0x33, 0xfe, 0x2b, 0xd4, 0x9e, 0xc7, 0x03, 0xb4, 0x93, 0x7b, 0xe9, 0xd1, 0x19, 0x33,
+	0xfb, 0x59, 0x99, 0xbd, 0x6f, 0x37, 0x53, 0x53, 0x32, 0xed, 0x46, 0xe8, 0x0c, 0x41, 0x73, 0x1d,
+	0xad, 0x1e, 0x0f, 0x12, 0xfe, 0xad, 0x03, 0x69, 0x12, 0x47, 0x29, 0x34, 0x13, 0xb4, 0xf3, 0xc4,
+	0x1f, 0x22, 0x8c, 0xd1, 0x82, 0xbc, 0x2e, 0x94, 0xe4, 0x75, 0x41, 0x3e, 0x8b, 0x6b, 0x84, 0xd9,
+	0x4f, 0x7d, 0x8d, 0xc8, 0x7e, 0xe3, 0x3d, 0x54, 0x4b, 0x83, 0x41, 0x12, 0x82, 0xcb, 0xe3, 0x5b,
+	0x50, 0xb7, 0x88, 0x8a, 0x53, 0x55, 0xb1, 0x2b, 0x11, 0xfa, 0x64, 0xeb, 0xfe, 0xdf, 0xc6, 0xdc,
+	0xfd, 0x63, 0xa3, 0xf4, 0xf0, 0xd8, 0x28, 0xfd, 0xf3, 0xd8, 0x28, 0x7d, 0xf7, 0x5f, 0x63, 0xee,
+	0x7a, 0x49, 0xde, 0x61, 0x8e, 0x5e, 0x04, 0x00, 0x00, 0xff, 0xff, 0xed, 0x36, 0xf0, 0x6f, 0x1b,
+	0x09, 0x00, 0x00,
 }
diff --git a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/raft_internal.proto b/vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/raft_internal.proto
similarity index 97%
rename from vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/raft_internal.proto
rename to vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/raft_internal.proto
index 25d45d3..7111f45 100644
--- a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/raft_internal.proto
+++ b/vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/raft_internal.proto
@@ -37,6 +37,8 @@
 
   AlarmRequest alarm = 10;
 
+  LeaseCheckpointRequest lease_checkpoint = 11;
+
   AuthEnableRequest auth_enable = 1000;
   AuthDisableRequest auth_disable = 1011;
 
@@ -71,4 +73,3 @@
   // simple_token is generated in API layer (etcdserver/v3_server.go)
   string simple_token = 3;
 }
-
diff --git a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/raft_internal_stringer.go b/vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/raft_internal_stringer.go
similarity index 100%
rename from vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/raft_internal_stringer.go
rename to vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/raft_internal_stringer.go
diff --git a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/rpc.pb.go b/vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/rpc.pb.go
similarity index 89%
rename from vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/rpc.pb.go
rename to vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/rpc.pb.go
index 40147f9..3e15079 100644
--- a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/rpc.pb.go
+++ b/vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/rpc.pb.go
@@ -12,9 +12,9 @@
 
 	_ "github.com/gogo/protobuf/gogoproto"
 
-	mvccpb "github.com/coreos/etcd/mvcc/mvccpb"
+	mvccpb "go.etcd.io/etcd/mvcc/mvccpb"
 
-	authpb "github.com/coreos/etcd/auth/authpb"
+	authpb "go.etcd.io/etcd/auth/authpb"
 
 	context "golang.org/x/net/context"
 
@@ -211,7 +211,7 @@
 	return proto.EnumName(AlarmRequest_AlarmAction_name, int32(x))
 }
 func (AlarmRequest_AlarmAction) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptorRpc, []int{48, 0}
+	return fileDescriptorRpc, []int{52, 0}
 }
 
 type ResponseHeader struct {
@@ -220,6 +220,9 @@
 	// member_id is the ID of the member which sent the response.
 	MemberId uint64 `protobuf:"varint,2,opt,name=member_id,json=memberId,proto3" json:"member_id,omitempty"`
 	// revision is the key-value store revision when the request was applied.
+	// For watch progress responses, the header.revision indicates progress. All future events
+	// recieved in this stream are guaranteed to have a higher revision number than the
+	// header.revision number.
 	Revision int64 `protobuf:"varint,3,opt,name=revision,proto3" json:"revision,omitempty"`
 	// raft_term is the raft term when the request was applied.
 	RaftTerm uint64 `protobuf:"varint,4,opt,name=raft_term,json=raftTerm,proto3" json:"raft_term,omitempty"`
@@ -296,7 +299,7 @@
 	// greater mod revisions will be filtered away.
 	MaxModRevision int64 `protobuf:"varint,11,opt,name=max_mod_revision,json=maxModRevision,proto3" json:"max_mod_revision,omitempty"`
 	// min_create_revision is the lower bound for returned key create revisions; all keys with
-	// lesser create trevisions will be filtered away.
+	// lesser create revisions will be filtered away.
 	MinCreateRevision int64 `protobuf:"varint,12,opt,name=min_create_revision,json=minCreateRevision,proto3" json:"min_create_revision,omitempty"`
 	// max_create_revision is the upper bound for returned key create revisions; all keys with
 	// greater create revisions will be filtered away.
@@ -1480,6 +1483,7 @@
 	// Types that are valid to be assigned to RequestUnion:
 	//	*WatchRequest_CreateRequest
 	//	*WatchRequest_CancelRequest
+	//	*WatchRequest_ProgressRequest
 	RequestUnion isWatchRequest_RequestUnion `protobuf_oneof:"request_union"`
 }
 
@@ -1500,9 +1504,13 @@
 type WatchRequest_CancelRequest struct {
 	CancelRequest *WatchCancelRequest `protobuf:"bytes,2,opt,name=cancel_request,json=cancelRequest,oneof"`
 }
+type WatchRequest_ProgressRequest struct {
+	ProgressRequest *WatchProgressRequest `protobuf:"bytes,3,opt,name=progress_request,json=progressRequest,oneof"`
+}
 
-func (*WatchRequest_CreateRequest) isWatchRequest_RequestUnion() {}
-func (*WatchRequest_CancelRequest) isWatchRequest_RequestUnion() {}
+func (*WatchRequest_CreateRequest) isWatchRequest_RequestUnion()   {}
+func (*WatchRequest_CancelRequest) isWatchRequest_RequestUnion()   {}
+func (*WatchRequest_ProgressRequest) isWatchRequest_RequestUnion() {}
 
 func (m *WatchRequest) GetRequestUnion() isWatchRequest_RequestUnion {
 	if m != nil {
@@ -1525,11 +1533,19 @@
 	return nil
 }
 
+func (m *WatchRequest) GetProgressRequest() *WatchProgressRequest {
+	if x, ok := m.GetRequestUnion().(*WatchRequest_ProgressRequest); ok {
+		return x.ProgressRequest
+	}
+	return nil
+}
+
 // XXX_OneofFuncs is for the internal use of the proto package.
 func (*WatchRequest) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
 	return _WatchRequest_OneofMarshaler, _WatchRequest_OneofUnmarshaler, _WatchRequest_OneofSizer, []interface{}{
 		(*WatchRequest_CreateRequest)(nil),
 		(*WatchRequest_CancelRequest)(nil),
+		(*WatchRequest_ProgressRequest)(nil),
 	}
 }
 
@@ -1547,6 +1563,11 @@
 		if err := b.EncodeMessage(x.CancelRequest); err != nil {
 			return err
 		}
+	case *WatchRequest_ProgressRequest:
+		_ = b.EncodeVarint(3<<3 | proto.WireBytes)
+		if err := b.EncodeMessage(x.ProgressRequest); err != nil {
+			return err
+		}
 	case nil:
 	default:
 		return fmt.Errorf("WatchRequest.RequestUnion has unexpected type %T", x)
@@ -1573,6 +1594,14 @@
 		err := b.DecodeMessage(msg)
 		m.RequestUnion = &WatchRequest_CancelRequest{msg}
 		return true, err
+	case 3: // request_union.progress_request
+		if wire != proto.WireBytes {
+			return true, proto.ErrInternalBadWireType
+		}
+		msg := new(WatchProgressRequest)
+		err := b.DecodeMessage(msg)
+		m.RequestUnion = &WatchRequest_ProgressRequest{msg}
+		return true, err
 	default:
 		return false, nil
 	}
@@ -1592,6 +1621,11 @@
 		n += proto.SizeVarint(2<<3 | proto.WireBytes)
 		n += proto.SizeVarint(uint64(s))
 		n += s
+	case *WatchRequest_ProgressRequest:
+		s := proto.Size(x.ProgressRequest)
+		n += proto.SizeVarint(3<<3 | proto.WireBytes)
+		n += proto.SizeVarint(uint64(s))
+		n += s
 	case nil:
 	default:
 		panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
@@ -1620,6 +1654,14 @@
 	// If prev_kv is set, created watcher gets the previous KV before the event happens.
 	// If the previous KV is already compacted, nothing will be returned.
 	PrevKv bool `protobuf:"varint,6,opt,name=prev_kv,json=prevKv,proto3" json:"prev_kv,omitempty"`
+	// If watch_id is provided and non-zero, it will be assigned to this watcher.
+	// Since creating a watcher in etcd is not a synchronous operation,
+	// this can be used ensure that ordering is correct when creating multiple
+	// watchers on the same stream. Creating a watcher with an ID already in
+	// use on the stream will cause an error to be returned.
+	WatchId int64 `protobuf:"varint,7,opt,name=watch_id,json=watchId,proto3" json:"watch_id,omitempty"`
+	// fragment enables splitting large revisions into multiple watch responses.
+	Fragment bool `protobuf:"varint,8,opt,name=fragment,proto3" json:"fragment,omitempty"`
 }
 
 func (m *WatchCreateRequest) Reset()                    { *m = WatchCreateRequest{} }
@@ -1669,6 +1711,20 @@
 	return false
 }
 
+func (m *WatchCreateRequest) GetWatchId() int64 {
+	if m != nil {
+		return m.WatchId
+	}
+	return 0
+}
+
+func (m *WatchCreateRequest) GetFragment() bool {
+	if m != nil {
+		return m.Fragment
+	}
+	return false
+}
+
 type WatchCancelRequest struct {
 	// watch_id is the watcher id to cancel so that no more events are transmitted.
 	WatchId int64 `protobuf:"varint,1,opt,name=watch_id,json=watchId,proto3" json:"watch_id,omitempty"`
@@ -1686,6 +1742,16 @@
 	return 0
 }
 
+// Requests the a watch stream progress status be sent in the watch response stream as soon as
+// possible.
+type WatchProgressRequest struct {
+}
+
+func (m *WatchProgressRequest) Reset()                    { *m = WatchProgressRequest{} }
+func (m *WatchProgressRequest) String() string            { return proto.CompactTextString(m) }
+func (*WatchProgressRequest) ProtoMessage()               {}
+func (*WatchProgressRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{23} }
+
 type WatchResponse struct {
 	Header *ResponseHeader `protobuf:"bytes,1,opt,name=header" json:"header,omitempty"`
 	// watch_id is the ID of the watcher that corresponds to the response.
@@ -1708,14 +1774,16 @@
 	// watcher with the same start_revision again.
 	CompactRevision int64 `protobuf:"varint,5,opt,name=compact_revision,json=compactRevision,proto3" json:"compact_revision,omitempty"`
 	// cancel_reason indicates the reason for canceling the watcher.
-	CancelReason string          `protobuf:"bytes,6,opt,name=cancel_reason,json=cancelReason,proto3" json:"cancel_reason,omitempty"`
-	Events       []*mvccpb.Event `protobuf:"bytes,11,rep,name=events" json:"events,omitempty"`
+	CancelReason string `protobuf:"bytes,6,opt,name=cancel_reason,json=cancelReason,proto3" json:"cancel_reason,omitempty"`
+	// framgment is true if large watch response was split over multiple responses.
+	Fragment bool            `protobuf:"varint,7,opt,name=fragment,proto3" json:"fragment,omitempty"`
+	Events   []*mvccpb.Event `protobuf:"bytes,11,rep,name=events" json:"events,omitempty"`
 }
 
 func (m *WatchResponse) Reset()                    { *m = WatchResponse{} }
 func (m *WatchResponse) String() string            { return proto.CompactTextString(m) }
 func (*WatchResponse) ProtoMessage()               {}
-func (*WatchResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{23} }
+func (*WatchResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{24} }
 
 func (m *WatchResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -1759,6 +1827,13 @@
 	return ""
 }
 
+func (m *WatchResponse) GetFragment() bool {
+	if m != nil {
+		return m.Fragment
+	}
+	return false
+}
+
 func (m *WatchResponse) GetEvents() []*mvccpb.Event {
 	if m != nil {
 		return m.Events
@@ -1776,7 +1851,7 @@
 func (m *LeaseGrantRequest) Reset()                    { *m = LeaseGrantRequest{} }
 func (m *LeaseGrantRequest) String() string            { return proto.CompactTextString(m) }
 func (*LeaseGrantRequest) ProtoMessage()               {}
-func (*LeaseGrantRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{24} }
+func (*LeaseGrantRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{25} }
 
 func (m *LeaseGrantRequest) GetTTL() int64 {
 	if m != nil {
@@ -1804,7 +1879,7 @@
 func (m *LeaseGrantResponse) Reset()                    { *m = LeaseGrantResponse{} }
 func (m *LeaseGrantResponse) String() string            { return proto.CompactTextString(m) }
 func (*LeaseGrantResponse) ProtoMessage()               {}
-func (*LeaseGrantResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{25} }
+func (*LeaseGrantResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{26} }
 
 func (m *LeaseGrantResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -1842,7 +1917,7 @@
 func (m *LeaseRevokeRequest) Reset()                    { *m = LeaseRevokeRequest{} }
 func (m *LeaseRevokeRequest) String() string            { return proto.CompactTextString(m) }
 func (*LeaseRevokeRequest) ProtoMessage()               {}
-func (*LeaseRevokeRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{26} }
+func (*LeaseRevokeRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{27} }
 
 func (m *LeaseRevokeRequest) GetID() int64 {
 	if m != nil {
@@ -1858,7 +1933,7 @@
 func (m *LeaseRevokeResponse) Reset()                    { *m = LeaseRevokeResponse{} }
 func (m *LeaseRevokeResponse) String() string            { return proto.CompactTextString(m) }
 func (*LeaseRevokeResponse) ProtoMessage()               {}
-func (*LeaseRevokeResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{27} }
+func (*LeaseRevokeResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{28} }
 
 func (m *LeaseRevokeResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -1867,6 +1942,64 @@
 	return nil
 }
 
+type LeaseCheckpoint struct {
+	// ID is the lease ID to checkpoint.
+	ID int64 `protobuf:"varint,1,opt,name=ID,proto3" json:"ID,omitempty"`
+	// Remaining_TTL is the remaining time until expiry of the lease.
+	Remaining_TTL int64 `protobuf:"varint,2,opt,name=remaining_TTL,json=remainingTTL,proto3" json:"remaining_TTL,omitempty"`
+}
+
+func (m *LeaseCheckpoint) Reset()                    { *m = LeaseCheckpoint{} }
+func (m *LeaseCheckpoint) String() string            { return proto.CompactTextString(m) }
+func (*LeaseCheckpoint) ProtoMessage()               {}
+func (*LeaseCheckpoint) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{29} }
+
+func (m *LeaseCheckpoint) GetID() int64 {
+	if m != nil {
+		return m.ID
+	}
+	return 0
+}
+
+func (m *LeaseCheckpoint) GetRemaining_TTL() int64 {
+	if m != nil {
+		return m.Remaining_TTL
+	}
+	return 0
+}
+
+type LeaseCheckpointRequest struct {
+	Checkpoints []*LeaseCheckpoint `protobuf:"bytes,1,rep,name=checkpoints" json:"checkpoints,omitempty"`
+}
+
+func (m *LeaseCheckpointRequest) Reset()                    { *m = LeaseCheckpointRequest{} }
+func (m *LeaseCheckpointRequest) String() string            { return proto.CompactTextString(m) }
+func (*LeaseCheckpointRequest) ProtoMessage()               {}
+func (*LeaseCheckpointRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{30} }
+
+func (m *LeaseCheckpointRequest) GetCheckpoints() []*LeaseCheckpoint {
+	if m != nil {
+		return m.Checkpoints
+	}
+	return nil
+}
+
+type LeaseCheckpointResponse struct {
+	Header *ResponseHeader `protobuf:"bytes,1,opt,name=header" json:"header,omitempty"`
+}
+
+func (m *LeaseCheckpointResponse) Reset()                    { *m = LeaseCheckpointResponse{} }
+func (m *LeaseCheckpointResponse) String() string            { return proto.CompactTextString(m) }
+func (*LeaseCheckpointResponse) ProtoMessage()               {}
+func (*LeaseCheckpointResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{31} }
+
+func (m *LeaseCheckpointResponse) GetHeader() *ResponseHeader {
+	if m != nil {
+		return m.Header
+	}
+	return nil
+}
+
 type LeaseKeepAliveRequest struct {
 	// ID is the lease ID for the lease to keep alive.
 	ID int64 `protobuf:"varint,1,opt,name=ID,proto3" json:"ID,omitempty"`
@@ -1875,7 +2008,7 @@
 func (m *LeaseKeepAliveRequest) Reset()                    { *m = LeaseKeepAliveRequest{} }
 func (m *LeaseKeepAliveRequest) String() string            { return proto.CompactTextString(m) }
 func (*LeaseKeepAliveRequest) ProtoMessage()               {}
-func (*LeaseKeepAliveRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{28} }
+func (*LeaseKeepAliveRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{32} }
 
 func (m *LeaseKeepAliveRequest) GetID() int64 {
 	if m != nil {
@@ -1895,7 +2028,7 @@
 func (m *LeaseKeepAliveResponse) Reset()                    { *m = LeaseKeepAliveResponse{} }
 func (m *LeaseKeepAliveResponse) String() string            { return proto.CompactTextString(m) }
 func (*LeaseKeepAliveResponse) ProtoMessage()               {}
-func (*LeaseKeepAliveResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{29} }
+func (*LeaseKeepAliveResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{33} }
 
 func (m *LeaseKeepAliveResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -1928,7 +2061,7 @@
 func (m *LeaseTimeToLiveRequest) Reset()                    { *m = LeaseTimeToLiveRequest{} }
 func (m *LeaseTimeToLiveRequest) String() string            { return proto.CompactTextString(m) }
 func (*LeaseTimeToLiveRequest) ProtoMessage()               {}
-func (*LeaseTimeToLiveRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{30} }
+func (*LeaseTimeToLiveRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{34} }
 
 func (m *LeaseTimeToLiveRequest) GetID() int64 {
 	if m != nil {
@@ -1959,7 +2092,7 @@
 func (m *LeaseTimeToLiveResponse) Reset()                    { *m = LeaseTimeToLiveResponse{} }
 func (m *LeaseTimeToLiveResponse) String() string            { return proto.CompactTextString(m) }
 func (*LeaseTimeToLiveResponse) ProtoMessage()               {}
-func (*LeaseTimeToLiveResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{31} }
+func (*LeaseTimeToLiveResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{35} }
 
 func (m *LeaseTimeToLiveResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2002,7 +2135,7 @@
 func (m *LeaseLeasesRequest) Reset()                    { *m = LeaseLeasesRequest{} }
 func (m *LeaseLeasesRequest) String() string            { return proto.CompactTextString(m) }
 func (*LeaseLeasesRequest) ProtoMessage()               {}
-func (*LeaseLeasesRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{32} }
+func (*LeaseLeasesRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{36} }
 
 type LeaseStatus struct {
 	ID int64 `protobuf:"varint,1,opt,name=ID,proto3" json:"ID,omitempty"`
@@ -2011,7 +2144,7 @@
 func (m *LeaseStatus) Reset()                    { *m = LeaseStatus{} }
 func (m *LeaseStatus) String() string            { return proto.CompactTextString(m) }
 func (*LeaseStatus) ProtoMessage()               {}
-func (*LeaseStatus) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{33} }
+func (*LeaseStatus) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{37} }
 
 func (m *LeaseStatus) GetID() int64 {
 	if m != nil {
@@ -2028,7 +2161,7 @@
 func (m *LeaseLeasesResponse) Reset()                    { *m = LeaseLeasesResponse{} }
 func (m *LeaseLeasesResponse) String() string            { return proto.CompactTextString(m) }
 func (*LeaseLeasesResponse) ProtoMessage()               {}
-func (*LeaseLeasesResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{34} }
+func (*LeaseLeasesResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{38} }
 
 func (m *LeaseLeasesResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2058,7 +2191,7 @@
 func (m *Member) Reset()                    { *m = Member{} }
 func (m *Member) String() string            { return proto.CompactTextString(m) }
 func (*Member) ProtoMessage()               {}
-func (*Member) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{35} }
+func (*Member) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{39} }
 
 func (m *Member) GetID() uint64 {
 	if m != nil {
@@ -2096,7 +2229,7 @@
 func (m *MemberAddRequest) Reset()                    { *m = MemberAddRequest{} }
 func (m *MemberAddRequest) String() string            { return proto.CompactTextString(m) }
 func (*MemberAddRequest) ProtoMessage()               {}
-func (*MemberAddRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{36} }
+func (*MemberAddRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{40} }
 
 func (m *MemberAddRequest) GetPeerURLs() []string {
 	if m != nil {
@@ -2116,7 +2249,7 @@
 func (m *MemberAddResponse) Reset()                    { *m = MemberAddResponse{} }
 func (m *MemberAddResponse) String() string            { return proto.CompactTextString(m) }
 func (*MemberAddResponse) ProtoMessage()               {}
-func (*MemberAddResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{37} }
+func (*MemberAddResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{41} }
 
 func (m *MemberAddResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2147,7 +2280,7 @@
 func (m *MemberRemoveRequest) Reset()                    { *m = MemberRemoveRequest{} }
 func (m *MemberRemoveRequest) String() string            { return proto.CompactTextString(m) }
 func (*MemberRemoveRequest) ProtoMessage()               {}
-func (*MemberRemoveRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{38} }
+func (*MemberRemoveRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{42} }
 
 func (m *MemberRemoveRequest) GetID() uint64 {
 	if m != nil {
@@ -2165,7 +2298,7 @@
 func (m *MemberRemoveResponse) Reset()                    { *m = MemberRemoveResponse{} }
 func (m *MemberRemoveResponse) String() string            { return proto.CompactTextString(m) }
 func (*MemberRemoveResponse) ProtoMessage()               {}
-func (*MemberRemoveResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{39} }
+func (*MemberRemoveResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{43} }
 
 func (m *MemberRemoveResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2191,7 +2324,7 @@
 func (m *MemberUpdateRequest) Reset()                    { *m = MemberUpdateRequest{} }
 func (m *MemberUpdateRequest) String() string            { return proto.CompactTextString(m) }
 func (*MemberUpdateRequest) ProtoMessage()               {}
-func (*MemberUpdateRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{40} }
+func (*MemberUpdateRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{44} }
 
 func (m *MemberUpdateRequest) GetID() uint64 {
 	if m != nil {
@@ -2216,7 +2349,7 @@
 func (m *MemberUpdateResponse) Reset()                    { *m = MemberUpdateResponse{} }
 func (m *MemberUpdateResponse) String() string            { return proto.CompactTextString(m) }
 func (*MemberUpdateResponse) ProtoMessage()               {}
-func (*MemberUpdateResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{41} }
+func (*MemberUpdateResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{45} }
 
 func (m *MemberUpdateResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2238,7 +2371,7 @@
 func (m *MemberListRequest) Reset()                    { *m = MemberListRequest{} }
 func (m *MemberListRequest) String() string            { return proto.CompactTextString(m) }
 func (*MemberListRequest) ProtoMessage()               {}
-func (*MemberListRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{42} }
+func (*MemberListRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{46} }
 
 type MemberListResponse struct {
 	Header *ResponseHeader `protobuf:"bytes,1,opt,name=header" json:"header,omitempty"`
@@ -2249,7 +2382,7 @@
 func (m *MemberListResponse) Reset()                    { *m = MemberListResponse{} }
 func (m *MemberListResponse) String() string            { return proto.CompactTextString(m) }
 func (*MemberListResponse) ProtoMessage()               {}
-func (*MemberListResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{43} }
+func (*MemberListResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{47} }
 
 func (m *MemberListResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2271,7 +2404,7 @@
 func (m *DefragmentRequest) Reset()                    { *m = DefragmentRequest{} }
 func (m *DefragmentRequest) String() string            { return proto.CompactTextString(m) }
 func (*DefragmentRequest) ProtoMessage()               {}
-func (*DefragmentRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{44} }
+func (*DefragmentRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{48} }
 
 type DefragmentResponse struct {
 	Header *ResponseHeader `protobuf:"bytes,1,opt,name=header" json:"header,omitempty"`
@@ -2280,7 +2413,7 @@
 func (m *DefragmentResponse) Reset()                    { *m = DefragmentResponse{} }
 func (m *DefragmentResponse) String() string            { return proto.CompactTextString(m) }
 func (*DefragmentResponse) ProtoMessage()               {}
-func (*DefragmentResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{45} }
+func (*DefragmentResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{49} }
 
 func (m *DefragmentResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2297,7 +2430,7 @@
 func (m *MoveLeaderRequest) Reset()                    { *m = MoveLeaderRequest{} }
 func (m *MoveLeaderRequest) String() string            { return proto.CompactTextString(m) }
 func (*MoveLeaderRequest) ProtoMessage()               {}
-func (*MoveLeaderRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{46} }
+func (*MoveLeaderRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{50} }
 
 func (m *MoveLeaderRequest) GetTargetID() uint64 {
 	if m != nil {
@@ -2313,7 +2446,7 @@
 func (m *MoveLeaderResponse) Reset()                    { *m = MoveLeaderResponse{} }
 func (m *MoveLeaderResponse) String() string            { return proto.CompactTextString(m) }
 func (*MoveLeaderResponse) ProtoMessage()               {}
-func (*MoveLeaderResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{47} }
+func (*MoveLeaderResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{51} }
 
 func (m *MoveLeaderResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2337,7 +2470,7 @@
 func (m *AlarmRequest) Reset()                    { *m = AlarmRequest{} }
 func (m *AlarmRequest) String() string            { return proto.CompactTextString(m) }
 func (*AlarmRequest) ProtoMessage()               {}
-func (*AlarmRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{48} }
+func (*AlarmRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{52} }
 
 func (m *AlarmRequest) GetAction() AlarmRequest_AlarmAction {
 	if m != nil {
@@ -2370,7 +2503,7 @@
 func (m *AlarmMember) Reset()                    { *m = AlarmMember{} }
 func (m *AlarmMember) String() string            { return proto.CompactTextString(m) }
 func (*AlarmMember) ProtoMessage()               {}
-func (*AlarmMember) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{49} }
+func (*AlarmMember) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{53} }
 
 func (m *AlarmMember) GetMemberID() uint64 {
 	if m != nil {
@@ -2395,7 +2528,7 @@
 func (m *AlarmResponse) Reset()                    { *m = AlarmResponse{} }
 func (m *AlarmResponse) String() string            { return proto.CompactTextString(m) }
 func (*AlarmResponse) ProtoMessage()               {}
-func (*AlarmResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{50} }
+func (*AlarmResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{54} }
 
 func (m *AlarmResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2417,26 +2550,32 @@
 func (m *StatusRequest) Reset()                    { *m = StatusRequest{} }
 func (m *StatusRequest) String() string            { return proto.CompactTextString(m) }
 func (*StatusRequest) ProtoMessage()               {}
-func (*StatusRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{51} }
+func (*StatusRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{55} }
 
 type StatusResponse struct {
 	Header *ResponseHeader `protobuf:"bytes,1,opt,name=header" json:"header,omitempty"`
 	// version is the cluster protocol version used by the responding member.
 	Version string `protobuf:"bytes,2,opt,name=version,proto3" json:"version,omitempty"`
-	// dbSize is the size of the backend database, in bytes, of the responding member.
+	// dbSize is the size of the backend database physically allocated, in bytes, of the responding member.
 	DbSize int64 `protobuf:"varint,3,opt,name=dbSize,proto3" json:"dbSize,omitempty"`
 	// leader is the member ID which the responding member believes is the current leader.
 	Leader uint64 `protobuf:"varint,4,opt,name=leader,proto3" json:"leader,omitempty"`
-	// raftIndex is the current raft index of the responding member.
+	// raftIndex is the current raft committed index of the responding member.
 	RaftIndex uint64 `protobuf:"varint,5,opt,name=raftIndex,proto3" json:"raftIndex,omitempty"`
 	// raftTerm is the current raft term of the responding member.
 	RaftTerm uint64 `protobuf:"varint,6,opt,name=raftTerm,proto3" json:"raftTerm,omitempty"`
+	// raftAppliedIndex is the current raft applied index of the responding member.
+	RaftAppliedIndex uint64 `protobuf:"varint,7,opt,name=raftAppliedIndex,proto3" json:"raftAppliedIndex,omitempty"`
+	// errors contains alarm/health information and status.
+	Errors []string `protobuf:"bytes,8,rep,name=errors" json:"errors,omitempty"`
+	// dbSizeInUse is the size of the backend database logically in use, in bytes, of the responding member.
+	DbSizeInUse int64 `protobuf:"varint,9,opt,name=dbSizeInUse,proto3" json:"dbSizeInUse,omitempty"`
 }
 
 func (m *StatusResponse) Reset()                    { *m = StatusResponse{} }
 func (m *StatusResponse) String() string            { return proto.CompactTextString(m) }
 func (*StatusResponse) ProtoMessage()               {}
-func (*StatusResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{52} }
+func (*StatusResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{56} }
 
 func (m *StatusResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2480,13 +2619,34 @@
 	return 0
 }
 
+func (m *StatusResponse) GetRaftAppliedIndex() uint64 {
+	if m != nil {
+		return m.RaftAppliedIndex
+	}
+	return 0
+}
+
+func (m *StatusResponse) GetErrors() []string {
+	if m != nil {
+		return m.Errors
+	}
+	return nil
+}
+
+func (m *StatusResponse) GetDbSizeInUse() int64 {
+	if m != nil {
+		return m.DbSizeInUse
+	}
+	return 0
+}
+
 type AuthEnableRequest struct {
 }
 
 func (m *AuthEnableRequest) Reset()                    { *m = AuthEnableRequest{} }
 func (m *AuthEnableRequest) String() string            { return proto.CompactTextString(m) }
 func (*AuthEnableRequest) ProtoMessage()               {}
-func (*AuthEnableRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{53} }
+func (*AuthEnableRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{57} }
 
 type AuthDisableRequest struct {
 }
@@ -2494,7 +2654,7 @@
 func (m *AuthDisableRequest) Reset()                    { *m = AuthDisableRequest{} }
 func (m *AuthDisableRequest) String() string            { return proto.CompactTextString(m) }
 func (*AuthDisableRequest) ProtoMessage()               {}
-func (*AuthDisableRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{54} }
+func (*AuthDisableRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{58} }
 
 type AuthenticateRequest struct {
 	Name     string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
@@ -2504,7 +2664,7 @@
 func (m *AuthenticateRequest) Reset()                    { *m = AuthenticateRequest{} }
 func (m *AuthenticateRequest) String() string            { return proto.CompactTextString(m) }
 func (*AuthenticateRequest) ProtoMessage()               {}
-func (*AuthenticateRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{55} }
+func (*AuthenticateRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{59} }
 
 func (m *AuthenticateRequest) GetName() string {
 	if m != nil {
@@ -2528,7 +2688,7 @@
 func (m *AuthUserAddRequest) Reset()                    { *m = AuthUserAddRequest{} }
 func (m *AuthUserAddRequest) String() string            { return proto.CompactTextString(m) }
 func (*AuthUserAddRequest) ProtoMessage()               {}
-func (*AuthUserAddRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{56} }
+func (*AuthUserAddRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{60} }
 
 func (m *AuthUserAddRequest) GetName() string {
 	if m != nil {
@@ -2551,7 +2711,7 @@
 func (m *AuthUserGetRequest) Reset()                    { *m = AuthUserGetRequest{} }
 func (m *AuthUserGetRequest) String() string            { return proto.CompactTextString(m) }
 func (*AuthUserGetRequest) ProtoMessage()               {}
-func (*AuthUserGetRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{57} }
+func (*AuthUserGetRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{61} }
 
 func (m *AuthUserGetRequest) GetName() string {
 	if m != nil {
@@ -2568,7 +2728,7 @@
 func (m *AuthUserDeleteRequest) Reset()                    { *m = AuthUserDeleteRequest{} }
 func (m *AuthUserDeleteRequest) String() string            { return proto.CompactTextString(m) }
 func (*AuthUserDeleteRequest) ProtoMessage()               {}
-func (*AuthUserDeleteRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{58} }
+func (*AuthUserDeleteRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{62} }
 
 func (m *AuthUserDeleteRequest) GetName() string {
 	if m != nil {
@@ -2588,7 +2748,7 @@
 func (m *AuthUserChangePasswordRequest) String() string { return proto.CompactTextString(m) }
 func (*AuthUserChangePasswordRequest) ProtoMessage()    {}
 func (*AuthUserChangePasswordRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptorRpc, []int{59}
+	return fileDescriptorRpc, []int{63}
 }
 
 func (m *AuthUserChangePasswordRequest) GetName() string {
@@ -2615,7 +2775,7 @@
 func (m *AuthUserGrantRoleRequest) Reset()                    { *m = AuthUserGrantRoleRequest{} }
 func (m *AuthUserGrantRoleRequest) String() string            { return proto.CompactTextString(m) }
 func (*AuthUserGrantRoleRequest) ProtoMessage()               {}
-func (*AuthUserGrantRoleRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{60} }
+func (*AuthUserGrantRoleRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{64} }
 
 func (m *AuthUserGrantRoleRequest) GetUser() string {
 	if m != nil {
@@ -2639,7 +2799,7 @@
 func (m *AuthUserRevokeRoleRequest) Reset()                    { *m = AuthUserRevokeRoleRequest{} }
 func (m *AuthUserRevokeRoleRequest) String() string            { return proto.CompactTextString(m) }
 func (*AuthUserRevokeRoleRequest) ProtoMessage()               {}
-func (*AuthUserRevokeRoleRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{61} }
+func (*AuthUserRevokeRoleRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{65} }
 
 func (m *AuthUserRevokeRoleRequest) GetName() string {
 	if m != nil {
@@ -2663,7 +2823,7 @@
 func (m *AuthRoleAddRequest) Reset()                    { *m = AuthRoleAddRequest{} }
 func (m *AuthRoleAddRequest) String() string            { return proto.CompactTextString(m) }
 func (*AuthRoleAddRequest) ProtoMessage()               {}
-func (*AuthRoleAddRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{62} }
+func (*AuthRoleAddRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{66} }
 
 func (m *AuthRoleAddRequest) GetName() string {
 	if m != nil {
@@ -2679,7 +2839,7 @@
 func (m *AuthRoleGetRequest) Reset()                    { *m = AuthRoleGetRequest{} }
 func (m *AuthRoleGetRequest) String() string            { return proto.CompactTextString(m) }
 func (*AuthRoleGetRequest) ProtoMessage()               {}
-func (*AuthRoleGetRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{63} }
+func (*AuthRoleGetRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{67} }
 
 func (m *AuthRoleGetRequest) GetRole() string {
 	if m != nil {
@@ -2694,7 +2854,7 @@
 func (m *AuthUserListRequest) Reset()                    { *m = AuthUserListRequest{} }
 func (m *AuthUserListRequest) String() string            { return proto.CompactTextString(m) }
 func (*AuthUserListRequest) ProtoMessage()               {}
-func (*AuthUserListRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{64} }
+func (*AuthUserListRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{68} }
 
 type AuthRoleListRequest struct {
 }
@@ -2702,7 +2862,7 @@
 func (m *AuthRoleListRequest) Reset()                    { *m = AuthRoleListRequest{} }
 func (m *AuthRoleListRequest) String() string            { return proto.CompactTextString(m) }
 func (*AuthRoleListRequest) ProtoMessage()               {}
-func (*AuthRoleListRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{65} }
+func (*AuthRoleListRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{69} }
 
 type AuthRoleDeleteRequest struct {
 	Role string `protobuf:"bytes,1,opt,name=role,proto3" json:"role,omitempty"`
@@ -2711,7 +2871,7 @@
 func (m *AuthRoleDeleteRequest) Reset()                    { *m = AuthRoleDeleteRequest{} }
 func (m *AuthRoleDeleteRequest) String() string            { return proto.CompactTextString(m) }
 func (*AuthRoleDeleteRequest) ProtoMessage()               {}
-func (*AuthRoleDeleteRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{66} }
+func (*AuthRoleDeleteRequest) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{70} }
 
 func (m *AuthRoleDeleteRequest) GetRole() string {
 	if m != nil {
@@ -2731,7 +2891,7 @@
 func (m *AuthRoleGrantPermissionRequest) String() string { return proto.CompactTextString(m) }
 func (*AuthRoleGrantPermissionRequest) ProtoMessage()    {}
 func (*AuthRoleGrantPermissionRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptorRpc, []int{67}
+	return fileDescriptorRpc, []int{71}
 }
 
 func (m *AuthRoleGrantPermissionRequest) GetName() string {
@@ -2750,15 +2910,15 @@
 
 type AuthRoleRevokePermissionRequest struct {
 	Role     string `protobuf:"bytes,1,opt,name=role,proto3" json:"role,omitempty"`
-	Key      string `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
-	RangeEnd string `protobuf:"bytes,3,opt,name=range_end,json=rangeEnd,proto3" json:"range_end,omitempty"`
+	Key      []byte `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
+	RangeEnd []byte `protobuf:"bytes,3,opt,name=range_end,json=rangeEnd,proto3" json:"range_end,omitempty"`
 }
 
 func (m *AuthRoleRevokePermissionRequest) Reset()         { *m = AuthRoleRevokePermissionRequest{} }
 func (m *AuthRoleRevokePermissionRequest) String() string { return proto.CompactTextString(m) }
 func (*AuthRoleRevokePermissionRequest) ProtoMessage()    {}
 func (*AuthRoleRevokePermissionRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptorRpc, []int{68}
+	return fileDescriptorRpc, []int{72}
 }
 
 func (m *AuthRoleRevokePermissionRequest) GetRole() string {
@@ -2768,18 +2928,18 @@
 	return ""
 }
 
-func (m *AuthRoleRevokePermissionRequest) GetKey() string {
+func (m *AuthRoleRevokePermissionRequest) GetKey() []byte {
 	if m != nil {
 		return m.Key
 	}
-	return ""
+	return nil
 }
 
-func (m *AuthRoleRevokePermissionRequest) GetRangeEnd() string {
+func (m *AuthRoleRevokePermissionRequest) GetRangeEnd() []byte {
 	if m != nil {
 		return m.RangeEnd
 	}
-	return ""
+	return nil
 }
 
 type AuthEnableResponse struct {
@@ -2789,7 +2949,7 @@
 func (m *AuthEnableResponse) Reset()                    { *m = AuthEnableResponse{} }
 func (m *AuthEnableResponse) String() string            { return proto.CompactTextString(m) }
 func (*AuthEnableResponse) ProtoMessage()               {}
-func (*AuthEnableResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{69} }
+func (*AuthEnableResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{73} }
 
 func (m *AuthEnableResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2805,7 +2965,7 @@
 func (m *AuthDisableResponse) Reset()                    { *m = AuthDisableResponse{} }
 func (m *AuthDisableResponse) String() string            { return proto.CompactTextString(m) }
 func (*AuthDisableResponse) ProtoMessage()               {}
-func (*AuthDisableResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{70} }
+func (*AuthDisableResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{74} }
 
 func (m *AuthDisableResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2823,7 +2983,7 @@
 func (m *AuthenticateResponse) Reset()                    { *m = AuthenticateResponse{} }
 func (m *AuthenticateResponse) String() string            { return proto.CompactTextString(m) }
 func (*AuthenticateResponse) ProtoMessage()               {}
-func (*AuthenticateResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{71} }
+func (*AuthenticateResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{75} }
 
 func (m *AuthenticateResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2846,7 +3006,7 @@
 func (m *AuthUserAddResponse) Reset()                    { *m = AuthUserAddResponse{} }
 func (m *AuthUserAddResponse) String() string            { return proto.CompactTextString(m) }
 func (*AuthUserAddResponse) ProtoMessage()               {}
-func (*AuthUserAddResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{72} }
+func (*AuthUserAddResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{76} }
 
 func (m *AuthUserAddResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2863,7 +3023,7 @@
 func (m *AuthUserGetResponse) Reset()                    { *m = AuthUserGetResponse{} }
 func (m *AuthUserGetResponse) String() string            { return proto.CompactTextString(m) }
 func (*AuthUserGetResponse) ProtoMessage()               {}
-func (*AuthUserGetResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{73} }
+func (*AuthUserGetResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{77} }
 
 func (m *AuthUserGetResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2886,7 +3046,7 @@
 func (m *AuthUserDeleteResponse) Reset()                    { *m = AuthUserDeleteResponse{} }
 func (m *AuthUserDeleteResponse) String() string            { return proto.CompactTextString(m) }
 func (*AuthUserDeleteResponse) ProtoMessage()               {}
-func (*AuthUserDeleteResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{74} }
+func (*AuthUserDeleteResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{78} }
 
 func (m *AuthUserDeleteResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2903,7 +3063,7 @@
 func (m *AuthUserChangePasswordResponse) String() string { return proto.CompactTextString(m) }
 func (*AuthUserChangePasswordResponse) ProtoMessage()    {}
 func (*AuthUserChangePasswordResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptorRpc, []int{75}
+	return fileDescriptorRpc, []int{79}
 }
 
 func (m *AuthUserChangePasswordResponse) GetHeader() *ResponseHeader {
@@ -2920,7 +3080,7 @@
 func (m *AuthUserGrantRoleResponse) Reset()                    { *m = AuthUserGrantRoleResponse{} }
 func (m *AuthUserGrantRoleResponse) String() string            { return proto.CompactTextString(m) }
 func (*AuthUserGrantRoleResponse) ProtoMessage()               {}
-func (*AuthUserGrantRoleResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{76} }
+func (*AuthUserGrantRoleResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{80} }
 
 func (m *AuthUserGrantRoleResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2936,7 +3096,7 @@
 func (m *AuthUserRevokeRoleResponse) Reset()                    { *m = AuthUserRevokeRoleResponse{} }
 func (m *AuthUserRevokeRoleResponse) String() string            { return proto.CompactTextString(m) }
 func (*AuthUserRevokeRoleResponse) ProtoMessage()               {}
-func (*AuthUserRevokeRoleResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{77} }
+func (*AuthUserRevokeRoleResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{81} }
 
 func (m *AuthUserRevokeRoleResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2952,7 +3112,7 @@
 func (m *AuthRoleAddResponse) Reset()                    { *m = AuthRoleAddResponse{} }
 func (m *AuthRoleAddResponse) String() string            { return proto.CompactTextString(m) }
 func (*AuthRoleAddResponse) ProtoMessage()               {}
-func (*AuthRoleAddResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{78} }
+func (*AuthRoleAddResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{82} }
 
 func (m *AuthRoleAddResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2969,7 +3129,7 @@
 func (m *AuthRoleGetResponse) Reset()                    { *m = AuthRoleGetResponse{} }
 func (m *AuthRoleGetResponse) String() string            { return proto.CompactTextString(m) }
 func (*AuthRoleGetResponse) ProtoMessage()               {}
-func (*AuthRoleGetResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{79} }
+func (*AuthRoleGetResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{83} }
 
 func (m *AuthRoleGetResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -2993,7 +3153,7 @@
 func (m *AuthRoleListResponse) Reset()                    { *m = AuthRoleListResponse{} }
 func (m *AuthRoleListResponse) String() string            { return proto.CompactTextString(m) }
 func (*AuthRoleListResponse) ProtoMessage()               {}
-func (*AuthRoleListResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{80} }
+func (*AuthRoleListResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{84} }
 
 func (m *AuthRoleListResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -3017,7 +3177,7 @@
 func (m *AuthUserListResponse) Reset()                    { *m = AuthUserListResponse{} }
 func (m *AuthUserListResponse) String() string            { return proto.CompactTextString(m) }
 func (*AuthUserListResponse) ProtoMessage()               {}
-func (*AuthUserListResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{81} }
+func (*AuthUserListResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{85} }
 
 func (m *AuthUserListResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -3040,7 +3200,7 @@
 func (m *AuthRoleDeleteResponse) Reset()                    { *m = AuthRoleDeleteResponse{} }
 func (m *AuthRoleDeleteResponse) String() string            { return proto.CompactTextString(m) }
 func (*AuthRoleDeleteResponse) ProtoMessage()               {}
-func (*AuthRoleDeleteResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{82} }
+func (*AuthRoleDeleteResponse) Descriptor() ([]byte, []int) { return fileDescriptorRpc, []int{86} }
 
 func (m *AuthRoleDeleteResponse) GetHeader() *ResponseHeader {
 	if m != nil {
@@ -3057,7 +3217,7 @@
 func (m *AuthRoleGrantPermissionResponse) String() string { return proto.CompactTextString(m) }
 func (*AuthRoleGrantPermissionResponse) ProtoMessage()    {}
 func (*AuthRoleGrantPermissionResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptorRpc, []int{83}
+	return fileDescriptorRpc, []int{87}
 }
 
 func (m *AuthRoleGrantPermissionResponse) GetHeader() *ResponseHeader {
@@ -3075,7 +3235,7 @@
 func (m *AuthRoleRevokePermissionResponse) String() string { return proto.CompactTextString(m) }
 func (*AuthRoleRevokePermissionResponse) ProtoMessage()    {}
 func (*AuthRoleRevokePermissionResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptorRpc, []int{84}
+	return fileDescriptorRpc, []int{88}
 }
 
 func (m *AuthRoleRevokePermissionResponse) GetHeader() *ResponseHeader {
@@ -3109,11 +3269,15 @@
 	proto.RegisterType((*WatchRequest)(nil), "etcdserverpb.WatchRequest")
 	proto.RegisterType((*WatchCreateRequest)(nil), "etcdserverpb.WatchCreateRequest")
 	proto.RegisterType((*WatchCancelRequest)(nil), "etcdserverpb.WatchCancelRequest")
+	proto.RegisterType((*WatchProgressRequest)(nil), "etcdserverpb.WatchProgressRequest")
 	proto.RegisterType((*WatchResponse)(nil), "etcdserverpb.WatchResponse")
 	proto.RegisterType((*LeaseGrantRequest)(nil), "etcdserverpb.LeaseGrantRequest")
 	proto.RegisterType((*LeaseGrantResponse)(nil), "etcdserverpb.LeaseGrantResponse")
 	proto.RegisterType((*LeaseRevokeRequest)(nil), "etcdserverpb.LeaseRevokeRequest")
 	proto.RegisterType((*LeaseRevokeResponse)(nil), "etcdserverpb.LeaseRevokeResponse")
+	proto.RegisterType((*LeaseCheckpoint)(nil), "etcdserverpb.LeaseCheckpoint")
+	proto.RegisterType((*LeaseCheckpointRequest)(nil), "etcdserverpb.LeaseCheckpointRequest")
+	proto.RegisterType((*LeaseCheckpointResponse)(nil), "etcdserverpb.LeaseCheckpointResponse")
 	proto.RegisterType((*LeaseKeepAliveRequest)(nil), "etcdserverpb.LeaseKeepAliveRequest")
 	proto.RegisterType((*LeaseKeepAliveResponse)(nil), "etcdserverpb.LeaseKeepAliveResponse")
 	proto.RegisterType((*LeaseTimeToLiveRequest)(nil), "etcdserverpb.LeaseTimeToLiveRequest")
@@ -3943,11 +4107,15 @@
 	Status(ctx context.Context, in *StatusRequest, opts ...grpc.CallOption) (*StatusResponse, error)
 	// Defragment defragments a member's backend database to recover storage space.
 	Defragment(ctx context.Context, in *DefragmentRequest, opts ...grpc.CallOption) (*DefragmentResponse, error)
-	// Hash computes the hash of the KV's backend.
-	// This is designed for testing; do not use this in production when there
-	// are ongoing transactions.
+	// Hash computes the hash of whole backend keyspace,
+	// including key, lease, and other buckets in storage.
+	// This is designed for testing ONLY!
+	// Do not rely on this in production with ongoing transactions,
+	// since Hash operation does not hold MVCC locks.
+	// Use "HashKV" API instead for "key" bucket consistency checks.
 	Hash(ctx context.Context, in *HashRequest, opts ...grpc.CallOption) (*HashResponse, error)
 	// HashKV computes the hash of all MVCC keys up to a given revision.
+	// It only iterates "key" bucket in backend storage.
 	HashKV(ctx context.Context, in *HashKVRequest, opts ...grpc.CallOption) (*HashKVResponse, error)
 	// Snapshot sends a snapshot of the entire backend from a member over a stream to a client.
 	Snapshot(ctx context.Context, in *SnapshotRequest, opts ...grpc.CallOption) (Maintenance_SnapshotClient, error)
@@ -4058,11 +4226,15 @@
 	Status(context.Context, *StatusRequest) (*StatusResponse, error)
 	// Defragment defragments a member's backend database to recover storage space.
 	Defragment(context.Context, *DefragmentRequest) (*DefragmentResponse, error)
-	// Hash computes the hash of the KV's backend.
-	// This is designed for testing; do not use this in production when there
-	// are ongoing transactions.
+	// Hash computes the hash of whole backend keyspace,
+	// including key, lease, and other buckets in storage.
+	// This is designed for testing ONLY!
+	// Do not rely on this in production with ongoing transactions,
+	// since Hash operation does not hold MVCC locks.
+	// Use "HashKV" API instead for "key" bucket consistency checks.
 	Hash(context.Context, *HashRequest) (*HashResponse, error)
 	// HashKV computes the hash of all MVCC keys up to a given revision.
+	// It only iterates "key" bucket in backend storage.
 	HashKV(context.Context, *HashKVRequest) (*HashKVResponse, error)
 	// Snapshot sends a snapshot of the entire backend from a member over a stream to a client.
 	Snapshot(*SnapshotRequest, Maintenance_SnapshotServer) error
@@ -5850,6 +6022,20 @@
 	}
 	return i, nil
 }
+func (m *WatchRequest_ProgressRequest) MarshalTo(dAtA []byte) (int, error) {
+	i := 0
+	if m.ProgressRequest != nil {
+		dAtA[i] = 0x1a
+		i++
+		i = encodeVarintRpc(dAtA, i, uint64(m.ProgressRequest.Size()))
+		n24, err := m.ProgressRequest.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n24
+	}
+	return i, nil
+}
 func (m *WatchCreateRequest) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -5893,21 +6079,21 @@
 		i++
 	}
 	if len(m.Filters) > 0 {
-		dAtA25 := make([]byte, len(m.Filters)*10)
-		var j24 int
+		dAtA26 := make([]byte, len(m.Filters)*10)
+		var j25 int
 		for _, num := range m.Filters {
 			for num >= 1<<7 {
-				dAtA25[j24] = uint8(uint64(num)&0x7f | 0x80)
+				dAtA26[j25] = uint8(uint64(num)&0x7f | 0x80)
 				num >>= 7
-				j24++
+				j25++
 			}
-			dAtA25[j24] = uint8(num)
-			j24++
+			dAtA26[j25] = uint8(num)
+			j25++
 		}
 		dAtA[i] = 0x2a
 		i++
-		i = encodeVarintRpc(dAtA, i, uint64(j24))
-		i += copy(dAtA[i:], dAtA25[:j24])
+		i = encodeVarintRpc(dAtA, i, uint64(j25))
+		i += copy(dAtA[i:], dAtA26[:j25])
 	}
 	if m.PrevKv {
 		dAtA[i] = 0x30
@@ -5919,6 +6105,21 @@
 		}
 		i++
 	}
+	if m.WatchId != 0 {
+		dAtA[i] = 0x38
+		i++
+		i = encodeVarintRpc(dAtA, i, uint64(m.WatchId))
+	}
+	if m.Fragment {
+		dAtA[i] = 0x40
+		i++
+		if m.Fragment {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
 	return i, nil
 }
 
@@ -5945,6 +6146,24 @@
 	return i, nil
 }
 
+func (m *WatchProgressRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *WatchProgressRequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	return i, nil
+}
+
 func (m *WatchResponse) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -5964,11 +6183,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n26, err := m.Header.MarshalTo(dAtA[i:])
+		n27, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n26
+		i += n27
 	}
 	if m.WatchId != 0 {
 		dAtA[i] = 0x10
@@ -6006,6 +6225,16 @@
 		i = encodeVarintRpc(dAtA, i, uint64(len(m.CancelReason)))
 		i += copy(dAtA[i:], m.CancelReason)
 	}
+	if m.Fragment {
+		dAtA[i] = 0x38
+		i++
+		if m.Fragment {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
 	if len(m.Events) > 0 {
 		for _, msg := range m.Events {
 			dAtA[i] = 0x5a
@@ -6068,11 +6297,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n27, err := m.Header.MarshalTo(dAtA[i:])
+		n28, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n27
+		i += n28
 	}
 	if m.ID != 0 {
 		dAtA[i] = 0x10
@@ -6135,11 +6364,97 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n28, err := m.Header.MarshalTo(dAtA[i:])
+		n29, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n28
+		i += n29
+	}
+	return i, nil
+}
+
+func (m *LeaseCheckpoint) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *LeaseCheckpoint) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.ID != 0 {
+		dAtA[i] = 0x8
+		i++
+		i = encodeVarintRpc(dAtA, i, uint64(m.ID))
+	}
+	if m.Remaining_TTL != 0 {
+		dAtA[i] = 0x10
+		i++
+		i = encodeVarintRpc(dAtA, i, uint64(m.Remaining_TTL))
+	}
+	return i, nil
+}
+
+func (m *LeaseCheckpointRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *LeaseCheckpointRequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Checkpoints) > 0 {
+		for _, msg := range m.Checkpoints {
+			dAtA[i] = 0xa
+			i++
+			i = encodeVarintRpc(dAtA, i, uint64(msg.Size()))
+			n, err := msg.MarshalTo(dAtA[i:])
+			if err != nil {
+				return 0, err
+			}
+			i += n
+		}
+	}
+	return i, nil
+}
+
+func (m *LeaseCheckpointResponse) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *LeaseCheckpointResponse) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.Header != nil {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
+		n30, err := m.Header.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n30
 	}
 	return i, nil
 }
@@ -6186,11 +6501,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n29, err := m.Header.MarshalTo(dAtA[i:])
+		n31, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n29
+		i += n31
 	}
 	if m.ID != 0 {
 		dAtA[i] = 0x10
@@ -6257,11 +6572,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n30, err := m.Header.MarshalTo(dAtA[i:])
+		n32, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n30
+		i += n32
 	}
 	if m.ID != 0 {
 		dAtA[i] = 0x10
@@ -6349,11 +6664,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n31, err := m.Header.MarshalTo(dAtA[i:])
+		n33, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n31
+		i += n33
 	}
 	if len(m.Leases) > 0 {
 		for _, msg := range m.Leases {
@@ -6481,21 +6796,21 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n32, err := m.Header.MarshalTo(dAtA[i:])
+		n34, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n32
+		i += n34
 	}
 	if m.Member != nil {
 		dAtA[i] = 0x12
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Member.Size()))
-		n33, err := m.Member.MarshalTo(dAtA[i:])
+		n35, err := m.Member.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n33
+		i += n35
 	}
 	if len(m.Members) > 0 {
 		for _, msg := range m.Members {
@@ -6554,11 +6869,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n34, err := m.Header.MarshalTo(dAtA[i:])
+		n36, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n34
+		i += n36
 	}
 	if len(m.Members) > 0 {
 		for _, msg := range m.Members {
@@ -6632,11 +6947,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n35, err := m.Header.MarshalTo(dAtA[i:])
+		n37, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n35
+		i += n37
 	}
 	if len(m.Members) > 0 {
 		for _, msg := range m.Members {
@@ -6690,11 +7005,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n36, err := m.Header.MarshalTo(dAtA[i:])
+		n38, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n36
+		i += n38
 	}
 	if len(m.Members) > 0 {
 		for _, msg := range m.Members {
@@ -6748,11 +7063,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n37, err := m.Header.MarshalTo(dAtA[i:])
+		n39, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n37
+		i += n39
 	}
 	return i, nil
 }
@@ -6799,11 +7114,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n38, err := m.Header.MarshalTo(dAtA[i:])
+		n40, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n38
+		i += n40
 	}
 	return i, nil
 }
@@ -6888,11 +7203,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n39, err := m.Header.MarshalTo(dAtA[i:])
+		n41, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n39
+		i += n41
 	}
 	if len(m.Alarms) > 0 {
 		for _, msg := range m.Alarms {
@@ -6946,11 +7261,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n40, err := m.Header.MarshalTo(dAtA[i:])
+		n42, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n40
+		i += n42
 	}
 	if len(m.Version) > 0 {
 		dAtA[i] = 0x12
@@ -6978,6 +7293,31 @@
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.RaftTerm))
 	}
+	if m.RaftAppliedIndex != 0 {
+		dAtA[i] = 0x38
+		i++
+		i = encodeVarintRpc(dAtA, i, uint64(m.RaftAppliedIndex))
+	}
+	if len(m.Errors) > 0 {
+		for _, s := range m.Errors {
+			dAtA[i] = 0x42
+			i++
+			l = len(s)
+			for l >= 1<<7 {
+				dAtA[i] = uint8(uint64(l)&0x7f | 0x80)
+				l >>= 7
+				i++
+			}
+			dAtA[i] = uint8(l)
+			i++
+			i += copy(dAtA[i:], s)
+		}
+	}
+	if m.DbSizeInUse != 0 {
+		dAtA[i] = 0x48
+		i++
+		i = encodeVarintRpc(dAtA, i, uint64(m.DbSizeInUse))
+	}
 	return i, nil
 }
 
@@ -7348,11 +7688,11 @@
 		dAtA[i] = 0x12
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Perm.Size()))
-		n41, err := m.Perm.MarshalTo(dAtA[i:])
+		n43, err := m.Perm.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n41
+		i += n43
 	}
 	return i, nil
 }
@@ -7412,11 +7752,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n42, err := m.Header.MarshalTo(dAtA[i:])
+		n44, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n42
+		i += n44
 	}
 	return i, nil
 }
@@ -7440,11 +7780,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n43, err := m.Header.MarshalTo(dAtA[i:])
+		n45, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n43
+		i += n45
 	}
 	return i, nil
 }
@@ -7468,11 +7808,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n44, err := m.Header.MarshalTo(dAtA[i:])
+		n46, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n44
+		i += n46
 	}
 	if len(m.Token) > 0 {
 		dAtA[i] = 0x12
@@ -7502,11 +7842,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n45, err := m.Header.MarshalTo(dAtA[i:])
+		n47, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n45
+		i += n47
 	}
 	return i, nil
 }
@@ -7530,11 +7870,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n46, err := m.Header.MarshalTo(dAtA[i:])
+		n48, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n46
+		i += n48
 	}
 	if len(m.Roles) > 0 {
 		for _, s := range m.Roles {
@@ -7573,11 +7913,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n47, err := m.Header.MarshalTo(dAtA[i:])
+		n49, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n47
+		i += n49
 	}
 	return i, nil
 }
@@ -7601,11 +7941,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n48, err := m.Header.MarshalTo(dAtA[i:])
+		n50, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n48
+		i += n50
 	}
 	return i, nil
 }
@@ -7629,11 +7969,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n49, err := m.Header.MarshalTo(dAtA[i:])
+		n51, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n49
+		i += n51
 	}
 	return i, nil
 }
@@ -7657,11 +7997,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n50, err := m.Header.MarshalTo(dAtA[i:])
+		n52, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n50
+		i += n52
 	}
 	return i, nil
 }
@@ -7685,11 +8025,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n51, err := m.Header.MarshalTo(dAtA[i:])
+		n53, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n51
+		i += n53
 	}
 	return i, nil
 }
@@ -7713,11 +8053,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n52, err := m.Header.MarshalTo(dAtA[i:])
+		n54, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n52
+		i += n54
 	}
 	if len(m.Perm) > 0 {
 		for _, msg := range m.Perm {
@@ -7753,11 +8093,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n53, err := m.Header.MarshalTo(dAtA[i:])
+		n55, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n53
+		i += n55
 	}
 	if len(m.Roles) > 0 {
 		for _, s := range m.Roles {
@@ -7796,11 +8136,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n54, err := m.Header.MarshalTo(dAtA[i:])
+		n56, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n54
+		i += n56
 	}
 	if len(m.Users) > 0 {
 		for _, s := range m.Users {
@@ -7839,11 +8179,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n55, err := m.Header.MarshalTo(dAtA[i:])
+		n57, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n55
+		i += n57
 	}
 	return i, nil
 }
@@ -7867,11 +8207,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n56, err := m.Header.MarshalTo(dAtA[i:])
+		n58, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n56
+		i += n58
 	}
 	return i, nil
 }
@@ -7895,11 +8235,11 @@
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.Header.Size()))
-		n57, err := m.Header.MarshalTo(dAtA[i:])
+		n59, err := m.Header.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n57
+		i += n59
 	}
 	return i, nil
 }
@@ -8381,6 +8721,15 @@
 	}
 	return n
 }
+func (m *WatchRequest_ProgressRequest) Size() (n int) {
+	var l int
+	_ = l
+	if m.ProgressRequest != nil {
+		l = m.ProgressRequest.Size()
+		n += 1 + l + sovRpc(uint64(l))
+	}
+	return n
+}
 func (m *WatchCreateRequest) Size() (n int) {
 	var l int
 	_ = l
@@ -8408,6 +8757,12 @@
 	if m.PrevKv {
 		n += 2
 	}
+	if m.WatchId != 0 {
+		n += 1 + sovRpc(uint64(m.WatchId))
+	}
+	if m.Fragment {
+		n += 2
+	}
 	return n
 }
 
@@ -8420,6 +8775,12 @@
 	return n
 }
 
+func (m *WatchProgressRequest) Size() (n int) {
+	var l int
+	_ = l
+	return n
+}
+
 func (m *WatchResponse) Size() (n int) {
 	var l int
 	_ = l
@@ -8443,6 +8804,9 @@
 	if l > 0 {
 		n += 1 + l + sovRpc(uint64(l))
 	}
+	if m.Fragment {
+		n += 2
+	}
 	if len(m.Events) > 0 {
 		for _, e := range m.Events {
 			l = e.Size()
@@ -8503,6 +8867,40 @@
 	return n
 }
 
+func (m *LeaseCheckpoint) Size() (n int) {
+	var l int
+	_ = l
+	if m.ID != 0 {
+		n += 1 + sovRpc(uint64(m.ID))
+	}
+	if m.Remaining_TTL != 0 {
+		n += 1 + sovRpc(uint64(m.Remaining_TTL))
+	}
+	return n
+}
+
+func (m *LeaseCheckpointRequest) Size() (n int) {
+	var l int
+	_ = l
+	if len(m.Checkpoints) > 0 {
+		for _, e := range m.Checkpoints {
+			l = e.Size()
+			n += 1 + l + sovRpc(uint64(l))
+		}
+	}
+	return n
+}
+
+func (m *LeaseCheckpointResponse) Size() (n int) {
+	var l int
+	_ = l
+	if m.Header != nil {
+		l = m.Header.Size()
+		n += 1 + l + sovRpc(uint64(l))
+	}
+	return n
+}
+
 func (m *LeaseKeepAliveRequest) Size() (n int) {
 	var l int
 	_ = l
@@ -8838,6 +9236,18 @@
 	if m.RaftTerm != 0 {
 		n += 1 + sovRpc(uint64(m.RaftTerm))
 	}
+	if m.RaftAppliedIndex != 0 {
+		n += 1 + sovRpc(uint64(m.RaftAppliedIndex))
+	}
+	if len(m.Errors) > 0 {
+		for _, s := range m.Errors {
+			l = len(s)
+			n += 1 + l + sovRpc(uint64(l))
+		}
+	}
+	if m.DbSizeInUse != 0 {
+		n += 1 + sovRpc(uint64(m.DbSizeInUse))
+	}
 	return n
 }
 
@@ -12076,6 +12486,38 @@
 			}
 			m.RequestUnion = &WatchRequest_CancelRequest{v}
 			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ProgressRequest", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRpc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthRpc
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			v := &WatchProgressRequest{}
+			if err := v.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			m.RequestUnion = &WatchRequest_ProgressRequest{v}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipRpc(dAtA[iNdEx:])
@@ -12309,6 +12751,45 @@
 				}
 			}
 			m.PrevKv = bool(v != 0)
+		case 7:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field WatchId", wireType)
+			}
+			m.WatchId = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRpc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.WatchId |= (int64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 8:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Fragment", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRpc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.Fragment = bool(v != 0)
 		default:
 			iNdEx = preIndex
 			skippy, err := skipRpc(dAtA[iNdEx:])
@@ -12399,6 +12880,56 @@
 	}
 	return nil
 }
+func (m *WatchProgressRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowRpc
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: WatchProgressRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: WatchProgressRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		default:
+			iNdEx = preIndex
+			skippy, err := skipRpc(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthRpc
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func (m *WatchResponse) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -12568,6 +13099,26 @@
 			}
 			m.CancelReason = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
+		case 7:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Fragment", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRpc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.Fragment = bool(v != 0)
 		case 11:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field Events", wireType)
@@ -13010,6 +13561,258 @@
 	}
 	return nil
 }
+func (m *LeaseCheckpoint) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowRpc
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: LeaseCheckpoint: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: LeaseCheckpoint: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			m.ID = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRpc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.ID |= (int64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Remaining_TTL", wireType)
+			}
+			m.Remaining_TTL = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRpc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Remaining_TTL |= (int64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipRpc(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthRpc
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *LeaseCheckpointRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowRpc
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: LeaseCheckpointRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: LeaseCheckpointRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Checkpoints", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRpc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthRpc
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Checkpoints = append(m.Checkpoints, &LeaseCheckpoint{})
+			if err := m.Checkpoints[len(m.Checkpoints)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipRpc(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthRpc
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *LeaseCheckpointResponse) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowRpc
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: LeaseCheckpointResponse: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: LeaseCheckpointResponse: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Header", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRpc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthRpc
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Header == nil {
+				m.Header = &ResponseHeader{}
+			}
+			if err := m.Header.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipRpc(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthRpc
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func (m *LeaseKeepAliveRequest) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -15443,6 +16246,73 @@
 					break
 				}
 			}
+		case 7:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field RaftAppliedIndex", wireType)
+			}
+			m.RaftAppliedIndex = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRpc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.RaftAppliedIndex |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 8:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Errors", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRpc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthRpc
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Errors = append(m.Errors, string(dAtA[iNdEx:postIndex]))
+			iNdEx = postIndex
+		case 9:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field DbSizeInUse", wireType)
+			}
+			m.DbSizeInUse = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRpc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.DbSizeInUse |= (int64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
 		default:
 			iNdEx = preIndex
 			skippy, err := skipRpc(dAtA[iNdEx:])
@@ -16773,7 +17643,7 @@
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
 			}
-			var stringLen uint64
+			var byteLen int
 			for shift := uint(0); ; shift += 7 {
 				if shift >= 64 {
 					return ErrIntOverflowRpc
@@ -16783,26 +17653,28 @@
 				}
 				b := dAtA[iNdEx]
 				iNdEx++
-				stringLen |= (uint64(b) & 0x7F) << shift
+				byteLen |= (int(b) & 0x7F) << shift
 				if b < 0x80 {
 					break
 				}
 			}
-			intStringLen := int(stringLen)
-			if intStringLen < 0 {
+			if byteLen < 0 {
 				return ErrInvalidLengthRpc
 			}
-			postIndex := iNdEx + intStringLen
+			postIndex := iNdEx + byteLen
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			m.Key = string(dAtA[iNdEx:postIndex])
+			m.Key = append(m.Key[:0], dAtA[iNdEx:postIndex]...)
+			if m.Key == nil {
+				m.Key = []byte{}
+			}
 			iNdEx = postIndex
 		case 3:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field RangeEnd", wireType)
 			}
-			var stringLen uint64
+			var byteLen int
 			for shift := uint(0); ; shift += 7 {
 				if shift >= 64 {
 					return ErrIntOverflowRpc
@@ -16812,20 +17684,22 @@
 				}
 				b := dAtA[iNdEx]
 				iNdEx++
-				stringLen |= (uint64(b) & 0x7F) << shift
+				byteLen |= (int(b) & 0x7F) << shift
 				if b < 0x80 {
 					break
 				}
 			}
-			intStringLen := int(stringLen)
-			if intStringLen < 0 {
+			if byteLen < 0 {
 				return ErrInvalidLengthRpc
 			}
-			postIndex := iNdEx + intStringLen
+			postIndex := iNdEx + byteLen
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			m.RangeEnd = string(dAtA[iNdEx:postIndex])
+			m.RangeEnd = append(m.RangeEnd[:0], dAtA[iNdEx:postIndex]...)
+			if m.RangeEnd == nil {
+				m.RangeEnd = []byte{}
+			}
 			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
@@ -18431,235 +19305,245 @@
 func init() { proto.RegisterFile("rpc.proto", fileDescriptorRpc) }
 
 var fileDescriptorRpc = []byte{
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+	0x8d, 0xcb, 0xf8, 0xa8, 0x9e, 0x09, 0x40, 0x00, 0x46, 0x46, 0x1d, 0x1a, 0xc3, 0x2e, 0x9b, 0x6b,
+	0xe9, 0x0c, 0x42, 0xe7, 0x63, 0xa6, 0xf3, 0x01, 0x6e, 0x46, 0x75, 0xf6, 0x7d, 0x5e, 0xaa, 0xf7,
+	0x8f, 0x60, 0x76, 0xd7, 0x70, 0x2f, 0x50, 0x24, 0xf5, 0x29, 0x1f, 0x93, 0x34, 0x9b, 0x49, 0x5d,
+	0x42, 0xcb, 0x03, 0xa6, 0x65, 0x85, 0x47, 0x12, 0x55, 0xcb, 0x85, 0xe1, 0xd2, 0x9c, 0x82, 0xfa,
+	0x90, 0xe7, 0xdf, 0x96, 0x44, 0xfd, 0x17, 0xfa, 0x3e, 0x25, 0xea, 0xbf, 0xf0, 0xe7, 0x28, 0xb7,
+	0x6b, 0x19, 0x41, 0x51, 0x7e, 0xcc, 0x81, 0x22, 0x6f, 0xf6, 0x22, 0x1f, 0x7e, 0x34, 0x57, 0xd3,
+	0xba, 0x85, 0xae, 0x87, 0x4c, 0xd7, 0x7d, 0xdc, 0x88, 0xad, 0x95, 0xe0, 0x7c, 0xae, 0x3d, 0xfd,
+	0x96, 0x86, 0x7e, 0x0c, 0x10, 0xe0, 0xb7, 0xb1, 0x03, 0x10, 0x85, 0x82, 0x63, 0x07, 0x20, 0x06,
+	0xfd, 0xe2, 0x0d, 0xa6, 0x77, 0x1d, 0x3f, 0x8c, 0xea, 0xf5, 0x1c, 0xc3, 0x72, 0xdf, 0x10, 0xe7,
+	0x23, 0x8e, 0xd1, 0xb9, 0x17, 0xe6, 0x88, 0x1e, 0x86, 0x7f, 0x9b, 0x83, 0x59, 0x5a, 0x80, 0xd2,
+	0x3c, 0x1d, 0xdc, 0xdb, 0xa3, 0x96, 0xc4, 0xd0, 0xb2, 0xa8, 0x25, 0xf1, 0x2b, 0x7f, 0x38, 0x4f,
+	0xb3, 0x9f, 0x1b, 0x10, 0xc6, 0x40, 0x1d, 0x6d, 0x43, 0x59, 0xb9, 0xd8, 0xa3, 0x04, 0x61, 0x61,
+	0x18, 0x2e, 0x1a, 0xf9, 0x13, 0x50, 0x01, 0x7c, 0x97, 0xe9, 0x5b, 0xe2, 0x91, 0x9f, 0xe9, 0xeb,
+	0x73, 0x0e, 0xaa, 0xf0, 0x2d, 0x54, 0xd4, 0xcb, 0x3f, 0x4a, 0x90, 0x17, 0x81, 0xf8, 0xa2, 0x51,
+	0x2e, 0x09, 0x3b, 0x08, 0x1f, 0x7c, 0xff, 0x27, 0x15, 0x92, 0x8d, 0x2a, 0x1e, 0x40, 0x41, 0xa0,
+	0x01, 0x49, 0xb3, 0x0c, 0xe3, 0x81, 0x49, 0xb3, 0x8c, 0x40, 0x09, 0xe1, 0xda, 0x8e, 0x69, 0xa4,
+	0x17, 0x1e, 0x99, 0x49, 0x84, 0xb6, 0x97, 0xc4, 0x4b, 0xd3, 0x16, 0x80, 0x5b, 0x69, 0xda, 0x94,
+	0xcb, 0x66, 0x9a, 0xb6, 0x73, 0xe2, 0x89, 0xe3, 0x22, 0x2f, 0x71, 0x28, 0x45, 0x98, 0x1a, 0xbd,
+	0xf1, 0x4d, 0x2c, 0x49, 0xa5, 0x77, 0xa0, 0x50, 0x84, 0x6e, 0x74, 0x05, 0x10, 0x60, 0x15, 0xd1,
+	0x7a, 0x2a, 0x11, 0xf0, 0x8c, 0xd6, 0x53, 0xc9, 0x70, 0x47, 0x38, 0x34, 0x04, 0x7a, 0x79, 0xe5,
+	0x4f, 0x35, 0xff, 0x4c, 0x03, 0x14, 0x87, 0x35, 0xd0, 0xb3, 0x64, 0xe9, 0x89, 0x30, 0x6a, 0xf3,
+	0xc3, 0x77, 0x63, 0x4e, 0x8a, 0xf6, 0x81, 0x49, 0x3d, 0xc6, 0x3d, 0x7a, 0x4b, 0x8d, 0xfa, 0x73,
+	0x0d, 0xaa, 0x21, 0x4c, 0x04, 0xbd, 0x9f, 0xb2, 0xa6, 0x11, 0x14, 0xb6, 0xf9, 0xe4, 0x56, 0xbe,
+	0xa4, 0x42, 0x53, 0xd9, 0x01, 0xb2, 0xe2, 0xfe, 0xa9, 0x06, 0xb5, 0x30, 0x86, 0x82, 0x52, 0x64,
+	0xc7, 0x50, 0xdc, 0xe6, 0xfa, 0xed, 0x8c, 0x37, 0x2f, 0x4f, 0x50, 0x6c, 0x0f, 0xa0, 0x20, 0x50,
+	0x97, 0xa4, 0x8d, 0x1f, 0xc6, 0x7f, 0x93, 0x36, 0x7e, 0x04, 0xb2, 0x49, 0xd8, 0xf8, 0x8e, 0x3d,
+	0x20, 0xca, 0x31, 0x13, 0xb0, 0x4c, 0x9a, 0xb6, 0x9b, 0x8f, 0x59, 0x04, 0xd3, 0x49, 0xd3, 0x16,
+	0x1c, 0x33, 0x89, 0xc7, 0xa0, 0x14, 0x61, 0xb7, 0x1c, 0xb3, 0x28, 0x9c, 0x93, 0x70, 0xcc, 0x98,
+	0x42, 0xe5, 0x98, 0x05, 0xc8, 0x49, 0xd2, 0x31, 0x8b, 0xc1, 0xd9, 0x49, 0xc7, 0x2c, 0x0e, 0xbe,
+	0x24, 0xac, 0x23, 0xd3, 0x1b, 0x3a, 0x66, 0x0b, 0x09, 0x20, 0x0b, 0xfa, 0x30, 0xc5, 0x89, 0x89,
+	0x28, 0x79, 0xf3, 0xa3, 0x77, 0xe4, 0x4e, 0xdd, 0xe3, 0xdc, 0xfd, 0x72, 0x8f, 0xff, 0x8d, 0x06,
+	0x8b, 0x49, 0x00, 0x0d, 0x4a, 0xd1, 0x93, 0x82, 0xae, 0x37, 0x37, 0xde, 0x95, 0xfd, 0x66, 0x6f,
+	0xf9, 0xbb, 0xfe, 0x45, 0xfd, 0xdf, 0xbf, 0x5e, 0xd5, 0xfe, 0xf3, 0xeb, 0x55, 0xed, 0x7f, 0xbe,
+	0x5e, 0xd5, 0xfe, 0xf6, 0x7f, 0x57, 0x67, 0xce, 0xf2, 0xec, 0x87, 0x7a, 0xdf, 0xf9, 0xff, 0x00,
+	0x00, 0x00, 0xff, 0xff, 0xc6, 0xc3, 0xa2, 0xb2, 0x2f, 0x38, 0x00, 0x00,
 }
diff --git a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/rpc.proto b/vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/rpc.proto
similarity index 87%
rename from vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/rpc.proto
rename to vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/rpc.proto
index e80e6e7..8060ca0 100644
--- a/vendor/github.com/coreos/etcd/etcdserver/etcdserverpb/rpc.proto
+++ b/vendor/go.etcd.io/etcd/etcdserver/etcdserverpb/rpc.proto
@@ -15,7 +15,7 @@
   // Range gets the keys in the range from the key-value store.
   rpc Range(RangeRequest) returns (RangeResponse) {
       option (google.api.http) = {
-        post: "/v3beta/kv/range"
+        post: "/v3/kv/range"
         body: "*"
     };
   }
@@ -25,7 +25,7 @@
   // and generates one event in the event history.
   rpc Put(PutRequest) returns (PutResponse) {
       option (google.api.http) = {
-        post: "/v3beta/kv/put"
+        post: "/v3/kv/put"
         body: "*"
     };
   }
@@ -35,7 +35,7 @@
   // and generates a delete event in the event history for every deleted key.
   rpc DeleteRange(DeleteRangeRequest) returns (DeleteRangeResponse) {
       option (google.api.http) = {
-        post: "/v3beta/kv/deleterange"
+        post: "/v3/kv/deleterange"
         body: "*"
     };
   }
@@ -46,7 +46,7 @@
   // It is not allowed to modify the same key several times within one txn.
   rpc Txn(TxnRequest) returns (TxnResponse) {
       option (google.api.http) = {
-        post: "/v3beta/kv/txn"
+        post: "/v3/kv/txn"
         body: "*"
     };
   }
@@ -56,7 +56,7 @@
   // indefinitely.
   rpc Compact(CompactionRequest) returns (CompactionResponse) {
       option (google.api.http) = {
-        post: "/v3beta/kv/compaction"
+        post: "/v3/kv/compaction"
         body: "*"
     };
   }
@@ -70,7 +70,7 @@
   // last compaction revision.
   rpc Watch(stream WatchRequest) returns (stream WatchResponse) {
       option (google.api.http) = {
-        post: "/v3beta/watch"
+        post: "/v3/watch"
         body: "*"
     };
   }
@@ -82,7 +82,7 @@
   // deleted if the lease expires. Each expired key generates a delete event in the event history.
   rpc LeaseGrant(LeaseGrantRequest) returns (LeaseGrantResponse) {
       option (google.api.http) = {
-        post: "/v3beta/lease/grant"
+        post: "/v3/lease/grant"
         body: "*"
     };
   }
@@ -90,8 +90,12 @@
   // LeaseRevoke revokes a lease. All keys attached to the lease will expire and be deleted.
   rpc LeaseRevoke(LeaseRevokeRequest) returns (LeaseRevokeResponse) {
       option (google.api.http) = {
-        post: "/v3beta/kv/lease/revoke"
+        post: "/v3/lease/revoke"
         body: "*"
+        additional_bindings {
+            post: "/v3/kv/lease/revoke"
+            body: "*"
+        }
     };
   }
 
@@ -99,7 +103,7 @@
   // to the server and streaming keep alive responses from the server to the client.
   rpc LeaseKeepAlive(stream LeaseKeepAliveRequest) returns (stream LeaseKeepAliveResponse) {
       option (google.api.http) = {
-        post: "/v3beta/lease/keepalive"
+        post: "/v3/lease/keepalive"
         body: "*"
     };
   }
@@ -107,16 +111,24 @@
   // LeaseTimeToLive retrieves lease information.
   rpc LeaseTimeToLive(LeaseTimeToLiveRequest) returns (LeaseTimeToLiveResponse) {
       option (google.api.http) = {
-        post: "/v3beta/kv/lease/timetolive"
+        post: "/v3/lease/timetolive"
         body: "*"
+        additional_bindings {
+            post: "/v3/kv/lease/timetolive"
+            body: "*"
+        }
     };
   }
 
   // LeaseLeases lists all existing leases.
   rpc LeaseLeases(LeaseLeasesRequest) returns (LeaseLeasesResponse) {
       option (google.api.http) = {
-        post: "/v3beta/kv/lease/leases"
+        post: "/v3/lease/leases"
         body: "*"
+        additional_bindings {
+            post: "/v3/kv/lease/leases"
+            body: "*"
+        }
     };
   }
 }
@@ -125,7 +137,7 @@
   // MemberAdd adds a member into the cluster.
   rpc MemberAdd(MemberAddRequest) returns (MemberAddResponse) {
       option (google.api.http) = {
-        post: "/v3beta/cluster/member/add"
+        post: "/v3/cluster/member/add"
         body: "*"
     };
   }
@@ -133,7 +145,7 @@
   // MemberRemove removes an existing member from the cluster.
   rpc MemberRemove(MemberRemoveRequest) returns (MemberRemoveResponse) {
       option (google.api.http) = {
-        post: "/v3beta/cluster/member/remove"
+        post: "/v3/cluster/member/remove"
         body: "*"
     };
   }
@@ -141,7 +153,7 @@
   // MemberUpdate updates the member configuration.
   rpc MemberUpdate(MemberUpdateRequest) returns (MemberUpdateResponse) {
       option (google.api.http) = {
-        post: "/v3beta/cluster/member/update"
+        post: "/v3/cluster/member/update"
         body: "*"
     };
   }
@@ -149,7 +161,7 @@
   // MemberList lists all the members in the cluster.
   rpc MemberList(MemberListRequest) returns (MemberListResponse) {
       option (google.api.http) = {
-        post: "/v3beta/cluster/member/list"
+        post: "/v3/cluster/member/list"
         body: "*"
     };
   }
@@ -159,7 +171,7 @@
   // Alarm activates, deactivates, and queries alarms regarding cluster health.
   rpc Alarm(AlarmRequest) returns (AlarmResponse) {
       option (google.api.http) = {
-        post: "/v3beta/maintenance/alarm"
+        post: "/v3/maintenance/alarm"
         body: "*"
     };
   }
@@ -167,7 +179,7 @@
   // Status gets the status of the member.
   rpc Status(StatusRequest) returns (StatusResponse) {
       option (google.api.http) = {
-        post: "/v3beta/maintenance/status"
+        post: "/v3/maintenance/status"
         body: "*"
     };
   }
@@ -175,25 +187,29 @@
   // Defragment defragments a member's backend database to recover storage space.
   rpc Defragment(DefragmentRequest) returns (DefragmentResponse) {
       option (google.api.http) = {
-        post: "/v3beta/maintenance/defragment"
+        post: "/v3/maintenance/defragment"
         body: "*"
     };
   }
 
-  // Hash computes the hash of the KV's backend.
-  // This is designed for testing; do not use this in production when there
-  // are ongoing transactions.
+  // Hash computes the hash of whole backend keyspace,
+  // including key, lease, and other buckets in storage.
+  // This is designed for testing ONLY!
+  // Do not rely on this in production with ongoing transactions,
+  // since Hash operation does not hold MVCC locks.
+  // Use "HashKV" API instead for "key" bucket consistency checks.
   rpc Hash(HashRequest) returns (HashResponse) {
       option (google.api.http) = {
-        post: "/v3beta/maintenance/hash"
+        post: "/v3/maintenance/hash"
         body: "*"
     };
   }
 
   // HashKV computes the hash of all MVCC keys up to a given revision.
+  // It only iterates "key" bucket in backend storage.
   rpc HashKV(HashKVRequest) returns (HashKVResponse) {
       option (google.api.http) = {
-        post: "/v3beta/maintenance/hash"
+        post: "/v3/maintenance/hash"
         body: "*"
     };
   }
@@ -201,7 +217,7 @@
   // Snapshot sends a snapshot of the entire backend from a member over a stream to a client.
   rpc Snapshot(SnapshotRequest) returns (stream SnapshotResponse) {
       option (google.api.http) = {
-        post: "/v3beta/maintenance/snapshot"
+        post: "/v3/maintenance/snapshot"
         body: "*"
     };
   }
@@ -209,7 +225,7 @@
   // MoveLeader requests current leader node to transfer its leadership to transferee.
   rpc MoveLeader(MoveLeaderRequest) returns (MoveLeaderResponse) {
       option (google.api.http) = {
-        post: "/v3beta/maintenance/transfer-leadership"
+        post: "/v3/maintenance/transfer-leadership"
         body: "*"
     };
   }
@@ -219,7 +235,7 @@
   // AuthEnable enables authentication.
   rpc AuthEnable(AuthEnableRequest) returns (AuthEnableResponse) {
       option (google.api.http) = {
-        post: "/v3beta/auth/enable"
+        post: "/v3/auth/enable"
         body: "*"
     };
   }
@@ -227,7 +243,7 @@
   // AuthDisable disables authentication.
   rpc AuthDisable(AuthDisableRequest) returns (AuthDisableResponse) {
       option (google.api.http) = {
-        post: "/v3beta/auth/disable"
+        post: "/v3/auth/disable"
         body: "*"
     };
   }
@@ -235,7 +251,7 @@
   // Authenticate processes an authenticate request.
   rpc Authenticate(AuthenticateRequest) returns (AuthenticateResponse) {
       option (google.api.http) = {
-        post: "/v3beta/auth/authenticate"
+        post: "/v3/auth/authenticate"
         body: "*"
     };
   }
@@ -243,7 +259,7 @@
   // UserAdd adds a new user.
   rpc UserAdd(AuthUserAddRequest) returns (AuthUserAddResponse) {
       option (google.api.http) = {
-        post: "/v3beta/auth/user/add"
+        post: "/v3/auth/user/add"
         body: "*"
     };
   }
@@ -251,7 +267,7 @@
   // UserGet gets detailed user information.
   rpc UserGet(AuthUserGetRequest) returns (AuthUserGetResponse) {
       option (google.api.http) = {
-        post: "/v3beta/auth/user/get"
+        post: "/v3/auth/user/get"
         body: "*"
     };
   }
@@ -259,7 +275,7 @@
   // UserList gets a list of all users.
   rpc UserList(AuthUserListRequest) returns (AuthUserListResponse) {
       option (google.api.http) = {
-        post: "/v3beta/auth/user/list"
+        post: "/v3/auth/user/list"
         body: "*"
     };
   }
@@ -267,7 +283,7 @@
   // UserDelete deletes a specified user.
   rpc UserDelete(AuthUserDeleteRequest) returns (AuthUserDeleteResponse) {
       option (google.api.http) = {
-        post: "/v3beta/auth/user/delete"
+        post: "/v3/auth/user/delete"
         body: "*"
     };
   }
@@ -275,7 +291,7 @@
   // UserChangePassword changes the password of a specified user.
   rpc UserChangePassword(AuthUserChangePasswordRequest) returns (AuthUserChangePasswordResponse) {
       option (google.api.http) = {
-        post: "/v3beta/auth/user/changepw"
+        post: "/v3/auth/user/changepw"
         body: "*"
     };
   }
@@ -283,7 +299,7 @@
   // UserGrant grants a role to a specified user.
   rpc UserGrantRole(AuthUserGrantRoleRequest) returns (AuthUserGrantRoleResponse) {
       option (google.api.http) = {
-        post: "/v3beta/auth/user/grant"
+        post: "/v3/auth/user/grant"
         body: "*"
     };
   }
@@ -291,7 +307,7 @@
   // UserRevokeRole revokes a role of specified user.
   rpc UserRevokeRole(AuthUserRevokeRoleRequest) returns (AuthUserRevokeRoleResponse) {
       option (google.api.http) = {
-        post: "/v3beta/auth/user/revoke"
+        post: "/v3/auth/user/revoke"
         body: "*"
     };
   }
@@ -299,7 +315,7 @@
   // RoleAdd adds a new role.
   rpc RoleAdd(AuthRoleAddRequest) returns (AuthRoleAddResponse) {
       option (google.api.http) = {
-        post: "/v3beta/auth/role/add"
+        post: "/v3/auth/role/add"
         body: "*"
     };
   }
@@ -307,7 +323,7 @@
   // RoleGet gets detailed role information.
   rpc RoleGet(AuthRoleGetRequest) returns (AuthRoleGetResponse) {
       option (google.api.http) = {
-        post: "/v3beta/auth/role/get"
+        post: "/v3/auth/role/get"
         body: "*"
     };
   }
@@ -315,7 +331,7 @@
   // RoleList gets lists of all roles.
   rpc RoleList(AuthRoleListRequest) returns (AuthRoleListResponse) {
       option (google.api.http) = {
-        post: "/v3beta/auth/role/list"
+        post: "/v3/auth/role/list"
         body: "*"
     };
   }
@@ -323,7 +339,7 @@
   // RoleDelete deletes a specified role.
   rpc RoleDelete(AuthRoleDeleteRequest) returns (AuthRoleDeleteResponse) {
       option (google.api.http) = {
-        post: "/v3beta/auth/role/delete"
+        post: "/v3/auth/role/delete"
         body: "*"
     };
   }
@@ -331,7 +347,7 @@
   // RoleGrantPermission grants a permission of a specified key or range to a specified role.
   rpc RoleGrantPermission(AuthRoleGrantPermissionRequest) returns (AuthRoleGrantPermissionResponse) {
       option (google.api.http) = {
-        post: "/v3beta/auth/role/grant"
+        post: "/v3/auth/role/grant"
         body: "*"
     };
   }
@@ -339,7 +355,7 @@
   // RoleRevokePermission revokes a key or range permission of a specified role.
   rpc RoleRevokePermission(AuthRoleRevokePermissionRequest) returns (AuthRoleRevokePermissionResponse) {
       option (google.api.http) = {
-        post: "/v3beta/auth/role/revoke"
+        post: "/v3/auth/role/revoke"
         body: "*"
     };
   }
@@ -351,6 +367,9 @@
   // member_id is the ID of the member which sent the response.
   uint64 member_id = 2;
   // revision is the key-value store revision when the request was applied.
+  // For watch progress responses, the header.revision indicates progress. All future events
+  // recieved in this stream are guaranteed to have a higher revision number than the
+  // header.revision number.
   int64 revision = 3;
   // raft_term is the raft term when the request was applied.
   uint64 raft_term = 4;
@@ -415,7 +434,7 @@
   int64 max_mod_revision = 11;
 
   // min_create_revision is the lower bound for returned key create revisions; all keys with
-  // lesser create trevisions will be filtered away.
+  // lesser create revisions will be filtered away.
   int64 min_create_revision = 12;
 
   // max_create_revision is the upper bound for returned key create revisions; all keys with
@@ -516,7 +535,7 @@
     VERSION = 0;
     CREATE = 1;
     MOD = 2;
-    VALUE= 3;
+    VALUE = 3;
     LEASE = 4;
   }
   // result is logical comparison operation for this comparison.
@@ -639,20 +658,24 @@
   oneof request_union {
     WatchCreateRequest create_request = 1;
     WatchCancelRequest cancel_request = 2;
+    WatchProgressRequest progress_request = 3;
   }
 }
 
 message WatchCreateRequest {
   // key is the key to register for watching.
   bytes key = 1;
+
   // range_end is the end of the range [key, range_end) to watch. If range_end is not given,
   // only the key argument is watched. If range_end is equal to '\0', all keys greater than
   // or equal to the key argument are watched.
   // If the range_end is one bit larger than the given key,
   // then all keys with the prefix (the given key) will be watched.
   bytes range_end = 2;
+
   // start_revision is an optional revision to watch from (inclusive). No start_revision is "now".
   int64 start_revision = 3;
+
   // progress_notify is set so that the etcd server will periodically send a WatchResponse with
   // no events to the new watcher if there are no recent events. It is useful when clients
   // wish to recover a disconnected watcher starting from a recent known revision.
@@ -660,17 +683,28 @@
   bool progress_notify = 4;
 
   enum FilterType {
-  // filter out put event.
-  NOPUT = 0;
-  // filter out delete event.
-  NODELETE = 1;
+    // filter out put event.
+    NOPUT = 0;
+    // filter out delete event.
+    NODELETE = 1;
   }
+
   // filters filter the events at server side before it sends back to the watcher.
   repeated FilterType filters = 5;
 
   // If prev_kv is set, created watcher gets the previous KV before the event happens.
   // If the previous KV is already compacted, nothing will be returned.
   bool prev_kv = 6;
+
+  // If watch_id is provided and non-zero, it will be assigned to this watcher.
+  // Since creating a watcher in etcd is not a synchronous operation,
+  // this can be used ensure that ordering is correct when creating multiple
+  // watchers on the same stream. Creating a watcher with an ID already in
+  // use on the stream will cause an error to be returned.
+  int64 watch_id = 7;
+
+  // fragment enables splitting large revisions into multiple watch responses.
+  bool fragment = 8;
 }
 
 message WatchCancelRequest {
@@ -678,18 +712,26 @@
   int64 watch_id = 1;
 }
 
+// Requests the a watch stream progress status be sent in the watch response stream as soon as
+// possible.
+message WatchProgressRequest {
+}
+
 message WatchResponse {
   ResponseHeader header = 1;
   // watch_id is the ID of the watcher that corresponds to the response.
   int64 watch_id = 2;
+
   // created is set to true if the response is for a create watch request.
   // The client should record the watch_id and expect to receive events for
   // the created watcher from the same stream.
   // All events sent to the created watcher will attach with the same watch_id.
   bool created = 3;
+
   // canceled is set to true if the response is for a cancel watch request.
   // No further events will be sent to the canceled watcher.
   bool canceled = 4;
+
   // compact_revision is set to the minimum index if a watcher tries to watch
   // at a compacted index.
   //
@@ -698,11 +740,14 @@
   //
   // The client should treat the watcher as canceled and should not try to create any
   // watcher with the same start_revision again.
-  int64 compact_revision  = 5;
+  int64 compact_revision = 5;
 
   // cancel_reason indicates the reason for canceling the watcher.
   string cancel_reason = 6;
 
+  // framgment is true if large watch response was split over multiple responses.
+  bool fragment = 7;
+
   repeated mvccpb.Event events = 11;
 }
 
@@ -731,6 +776,22 @@
   ResponseHeader header = 1;
 }
 
+message LeaseCheckpoint {
+    // ID is the lease ID to checkpoint.
+  int64 ID = 1;
+
+  // Remaining_TTL is the remaining time until expiry of the lease.
+  int64 remaining_TTL = 2;
+}
+
+message LeaseCheckpointRequest {
+  repeated LeaseCheckpoint checkpoints = 1;
+}
+
+message LeaseCheckpointResponse {
+  ResponseHeader header = 1;
+}
+
 message LeaseKeepAliveRequest {
   // ID is the lease ID for the lease to keep alive.
   int64 ID = 1;
@@ -892,14 +953,20 @@
   ResponseHeader header = 1;
   // version is the cluster protocol version used by the responding member.
   string version = 2;
-  // dbSize is the size of the backend database, in bytes, of the responding member.
+  // dbSize is the size of the backend database physically allocated, in bytes, of the responding member.
   int64 dbSize = 3;
   // leader is the member ID which the responding member believes is the current leader.
   uint64 leader = 4;
-  // raftIndex is the current raft index of the responding member.
+  // raftIndex is the current raft committed index of the responding member.
   uint64 raftIndex = 5;
   // raftTerm is the current raft term of the responding member.
   uint64 raftTerm = 6;
+  // raftAppliedIndex is the current raft applied index of the responding member.
+  uint64 raftAppliedIndex = 7;
+  // errors contains alarm/health information and status.
+  repeated string errors = 8;
+  // dbSizeInUse is the size of the backend database logically in use, in bytes, of the responding member.
+  int64 dbSizeInUse = 9;
 }
 
 message AuthEnableRequest {
@@ -974,8 +1041,8 @@
 
 message AuthRoleRevokePermissionRequest {
   string role = 1;
-  string key = 2;
-  string range_end = 3;
+  bytes key = 2;
+  bytes range_end = 3;
 }
 
 message AuthEnableResponse {
diff --git a/vendor/github.com/coreos/etcd/mvcc/mvccpb/kv.pb.go b/vendor/go.etcd.io/etcd/mvcc/mvccpb/kv.pb.go
similarity index 100%
rename from vendor/github.com/coreos/etcd/mvcc/mvccpb/kv.pb.go
rename to vendor/go.etcd.io/etcd/mvcc/mvccpb/kv.pb.go
diff --git a/vendor/github.com/coreos/etcd/mvcc/mvccpb/kv.proto b/vendor/go.etcd.io/etcd/mvcc/mvccpb/kv.proto
similarity index 100%
rename from vendor/github.com/coreos/etcd/mvcc/mvccpb/kv.proto
rename to vendor/go.etcd.io/etcd/mvcc/mvccpb/kv.proto
diff --git a/vendor/go.etcd.io/etcd/pkg/logutil/discard_logger.go b/vendor/go.etcd.io/etcd/pkg/logutil/discard_logger.go
new file mode 100644
index 0000000..81b0a9d
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/pkg/logutil/discard_logger.go
@@ -0,0 +1,46 @@
+// Copyright 2018 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package logutil
+
+import (
+	"log"
+
+	"google.golang.org/grpc/grpclog"
+)
+
+// assert that "discardLogger" satisfy "Logger" interface
+var _ Logger = &discardLogger{}
+
+// NewDiscardLogger returns a new Logger that discards everything except "fatal".
+func NewDiscardLogger() Logger { return &discardLogger{} }
+
+type discardLogger struct{}
+
+func (l *discardLogger) Info(args ...interface{})                    {}
+func (l *discardLogger) Infoln(args ...interface{})                  {}
+func (l *discardLogger) Infof(format string, args ...interface{})    {}
+func (l *discardLogger) Warning(args ...interface{})                 {}
+func (l *discardLogger) Warningln(args ...interface{})               {}
+func (l *discardLogger) Warningf(format string, args ...interface{}) {}
+func (l *discardLogger) Error(args ...interface{})                   {}
+func (l *discardLogger) Errorln(args ...interface{})                 {}
+func (l *discardLogger) Errorf(format string, args ...interface{})   {}
+func (l *discardLogger) Fatal(args ...interface{})                   { log.Fatal(args...) }
+func (l *discardLogger) Fatalln(args ...interface{})                 { log.Fatalln(args...) }
+func (l *discardLogger) Fatalf(format string, args ...interface{})   { log.Fatalf(format, args...) }
+func (l *discardLogger) V(lvl int) bool {
+	return false
+}
+func (l *discardLogger) Lvl(lvl int) grpclog.LoggerV2 { return l }
diff --git a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go b/vendor/go.etcd.io/etcd/pkg/logutil/doc.go
similarity index 79%
copy from vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go
copy to vendor/go.etcd.io/etcd/pkg/logutil/doc.go
index 5c590e1..e919f24 100644
--- a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go
+++ b/vendor/go.etcd.io/etcd/pkg/logutil/doc.go
@@ -1,4 +1,4 @@
-// Copyright 2016 The etcd Authors
+// Copyright 2018 The etcd Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,9 +12,5 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package rpctypes
-
-var (
-	MetadataRequireLeaderKey = "hasleader"
-	MetadataHasLeader        = "true"
-)
+// Package logutil includes utilities to facilitate logging.
+package logutil
diff --git a/vendor/go.etcd.io/etcd/pkg/logutil/logger.go b/vendor/go.etcd.io/etcd/pkg/logutil/logger.go
new file mode 100644
index 0000000..e7da80e
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/pkg/logutil/logger.go
@@ -0,0 +1,64 @@
+// Copyright 2018 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package logutil
+
+import "google.golang.org/grpc/grpclog"
+
+// Logger defines logging interface.
+// TODO: deprecate in v3.5.
+type Logger interface {
+	grpclog.LoggerV2
+
+	// Lvl returns logger if logger's verbosity level >= "lvl".
+	// Otherwise, logger that discards everything.
+	Lvl(lvl int) grpclog.LoggerV2
+}
+
+// assert that "defaultLogger" satisfy "Logger" interface
+var _ Logger = &defaultLogger{}
+
+// NewLogger wraps "grpclog.LoggerV2" that implements "Logger" interface.
+//
+// For example:
+//
+//  var defaultLogger Logger
+//  g := grpclog.NewLoggerV2WithVerbosity(os.Stderr, os.Stderr, os.Stderr, 4)
+//  defaultLogger = NewLogger(g)
+//
+func NewLogger(g grpclog.LoggerV2) Logger { return &defaultLogger{g: g} }
+
+type defaultLogger struct {
+	g grpclog.LoggerV2
+}
+
+func (l *defaultLogger) Info(args ...interface{})                    { l.g.Info(args...) }
+func (l *defaultLogger) Infoln(args ...interface{})                  { l.g.Info(args...) }
+func (l *defaultLogger) Infof(format string, args ...interface{})    { l.g.Infof(format, args...) }
+func (l *defaultLogger) Warning(args ...interface{})                 { l.g.Warning(args...) }
+func (l *defaultLogger) Warningln(args ...interface{})               { l.g.Warning(args...) }
+func (l *defaultLogger) Warningf(format string, args ...interface{}) { l.g.Warningf(format, args...) }
+func (l *defaultLogger) Error(args ...interface{})                   { l.g.Error(args...) }
+func (l *defaultLogger) Errorln(args ...interface{})                 { l.g.Error(args...) }
+func (l *defaultLogger) Errorf(format string, args ...interface{})   { l.g.Errorf(format, args...) }
+func (l *defaultLogger) Fatal(args ...interface{})                   { l.g.Fatal(args...) }
+func (l *defaultLogger) Fatalln(args ...interface{})                 { l.g.Fatal(args...) }
+func (l *defaultLogger) Fatalf(format string, args ...interface{})   { l.g.Fatalf(format, args...) }
+func (l *defaultLogger) V(lvl int) bool                              { return l.g.V(lvl) }
+func (l *defaultLogger) Lvl(lvl int) grpclog.LoggerV2 {
+	if l.g.V(lvl) {
+		return l
+	}
+	return &discardLogger{}
+}
diff --git a/vendor/go.etcd.io/etcd/pkg/logutil/merge_logger.go b/vendor/go.etcd.io/etcd/pkg/logutil/merge_logger.go
new file mode 100644
index 0000000..866b6f7
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/pkg/logutil/merge_logger.go
@@ -0,0 +1,194 @@
+// Copyright 2015 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package logutil
+
+import (
+	"fmt"
+	"sync"
+	"time"
+
+	"github.com/coreos/pkg/capnslog"
+)
+
+var (
+	defaultMergePeriod     = time.Second
+	defaultTimeOutputScale = 10 * time.Millisecond
+
+	outputInterval = time.Second
+)
+
+// line represents a log line that can be printed out
+// through capnslog.PackageLogger.
+type line struct {
+	level capnslog.LogLevel
+	str   string
+}
+
+func (l line) append(s string) line {
+	return line{
+		level: l.level,
+		str:   l.str + " " + s,
+	}
+}
+
+// status represents the merge status of a line.
+type status struct {
+	period time.Duration
+
+	start time.Time // start time of latest merge period
+	count int       // number of merged lines from starting
+}
+
+func (s *status) isInMergePeriod(now time.Time) bool {
+	return s.period == 0 || s.start.Add(s.period).After(now)
+}
+
+func (s *status) isEmpty() bool { return s.count == 0 }
+
+func (s *status) summary(now time.Time) string {
+	ts := s.start.Round(defaultTimeOutputScale)
+	took := now.Round(defaultTimeOutputScale).Sub(ts)
+	return fmt.Sprintf("[merged %d repeated lines in %s]", s.count, took)
+}
+
+func (s *status) reset(now time.Time) {
+	s.start = now
+	s.count = 0
+}
+
+// MergeLogger supports merge logging, which merges repeated log lines
+// and prints summary log lines instead.
+//
+// For merge logging, MergeLogger prints out the line when the line appears
+// at the first time. MergeLogger holds the same log line printed within
+// defaultMergePeriod, and prints out summary log line at the end of defaultMergePeriod.
+// It stops merging when the line doesn't appear within the
+// defaultMergePeriod.
+type MergeLogger struct {
+	*capnslog.PackageLogger
+
+	mu      sync.Mutex // protect statusm
+	statusm map[line]*status
+}
+
+func NewMergeLogger(logger *capnslog.PackageLogger) *MergeLogger {
+	l := &MergeLogger{
+		PackageLogger: logger,
+		statusm:       make(map[line]*status),
+	}
+	go l.outputLoop()
+	return l
+}
+
+func (l *MergeLogger) MergeInfo(entries ...interface{}) {
+	l.merge(line{
+		level: capnslog.INFO,
+		str:   fmt.Sprint(entries...),
+	})
+}
+
+func (l *MergeLogger) MergeInfof(format string, args ...interface{}) {
+	l.merge(line{
+		level: capnslog.INFO,
+		str:   fmt.Sprintf(format, args...),
+	})
+}
+
+func (l *MergeLogger) MergeNotice(entries ...interface{}) {
+	l.merge(line{
+		level: capnslog.NOTICE,
+		str:   fmt.Sprint(entries...),
+	})
+}
+
+func (l *MergeLogger) MergeNoticef(format string, args ...interface{}) {
+	l.merge(line{
+		level: capnslog.NOTICE,
+		str:   fmt.Sprintf(format, args...),
+	})
+}
+
+func (l *MergeLogger) MergeWarning(entries ...interface{}) {
+	l.merge(line{
+		level: capnslog.WARNING,
+		str:   fmt.Sprint(entries...),
+	})
+}
+
+func (l *MergeLogger) MergeWarningf(format string, args ...interface{}) {
+	l.merge(line{
+		level: capnslog.WARNING,
+		str:   fmt.Sprintf(format, args...),
+	})
+}
+
+func (l *MergeLogger) MergeError(entries ...interface{}) {
+	l.merge(line{
+		level: capnslog.ERROR,
+		str:   fmt.Sprint(entries...),
+	})
+}
+
+func (l *MergeLogger) MergeErrorf(format string, args ...interface{}) {
+	l.merge(line{
+		level: capnslog.ERROR,
+		str:   fmt.Sprintf(format, args...),
+	})
+}
+
+func (l *MergeLogger) merge(ln line) {
+	l.mu.Lock()
+
+	// increase count if the logger is merging the line
+	if status, ok := l.statusm[ln]; ok {
+		status.count++
+		l.mu.Unlock()
+		return
+	}
+
+	// initialize status of the line
+	l.statusm[ln] = &status{
+		period: defaultMergePeriod,
+		start:  time.Now(),
+	}
+	// release the lock before IO operation
+	l.mu.Unlock()
+	// print out the line at its first time
+	l.PackageLogger.Logf(ln.level, ln.str)
+}
+
+func (l *MergeLogger) outputLoop() {
+	for now := range time.Tick(outputInterval) {
+		var outputs []line
+
+		l.mu.Lock()
+		for ln, status := range l.statusm {
+			if status.isInMergePeriod(now) {
+				continue
+			}
+			if status.isEmpty() {
+				delete(l.statusm, ln)
+				continue
+			}
+			outputs = append(outputs, ln.append(status.summary(now)))
+			status.reset(now)
+		}
+		l.mu.Unlock()
+
+		for _, o := range outputs {
+			l.PackageLogger.Logf(o.level, o.str)
+		}
+	}
+}
diff --git a/vendor/go.etcd.io/etcd/pkg/logutil/package_logger.go b/vendor/go.etcd.io/etcd/pkg/logutil/package_logger.go
new file mode 100644
index 0000000..729cbdb
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/pkg/logutil/package_logger.go
@@ -0,0 +1,60 @@
+// Copyright 2018 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package logutil
+
+import (
+	"github.com/coreos/pkg/capnslog"
+	"google.golang.org/grpc/grpclog"
+)
+
+// assert that "packageLogger" satisfy "Logger" interface
+var _ Logger = &packageLogger{}
+
+// NewPackageLogger wraps "*capnslog.PackageLogger" that implements "Logger" interface.
+//
+// For example:
+//
+//  var defaultLogger Logger
+//  defaultLogger = NewPackageLogger("go.etcd.io/etcd", "snapshot")
+//
+func NewPackageLogger(repo, pkg string) Logger {
+	return &packageLogger{p: capnslog.NewPackageLogger(repo, pkg)}
+}
+
+type packageLogger struct {
+	p *capnslog.PackageLogger
+}
+
+func (l *packageLogger) Info(args ...interface{})                    { l.p.Info(args...) }
+func (l *packageLogger) Infoln(args ...interface{})                  { l.p.Info(args...) }
+func (l *packageLogger) Infof(format string, args ...interface{})    { l.p.Infof(format, args...) }
+func (l *packageLogger) Warning(args ...interface{})                 { l.p.Warning(args...) }
+func (l *packageLogger) Warningln(args ...interface{})               { l.p.Warning(args...) }
+func (l *packageLogger) Warningf(format string, args ...interface{}) { l.p.Warningf(format, args...) }
+func (l *packageLogger) Error(args ...interface{})                   { l.p.Error(args...) }
+func (l *packageLogger) Errorln(args ...interface{})                 { l.p.Error(args...) }
+func (l *packageLogger) Errorf(format string, args ...interface{})   { l.p.Errorf(format, args...) }
+func (l *packageLogger) Fatal(args ...interface{})                   { l.p.Fatal(args...) }
+func (l *packageLogger) Fatalln(args ...interface{})                 { l.p.Fatal(args...) }
+func (l *packageLogger) Fatalf(format string, args ...interface{})   { l.p.Fatalf(format, args...) }
+func (l *packageLogger) V(lvl int) bool {
+	return l.p.LevelAt(capnslog.LogLevel(lvl))
+}
+func (l *packageLogger) Lvl(lvl int) grpclog.LoggerV2 {
+	if l.p.LevelAt(capnslog.LogLevel(lvl)) {
+		return l
+	}
+	return &discardLogger{}
+}
diff --git a/vendor/go.etcd.io/etcd/pkg/logutil/zap_grpc.go b/vendor/go.etcd.io/etcd/pkg/logutil/zap_grpc.go
new file mode 100644
index 0000000..3f48d81
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/pkg/logutil/zap_grpc.go
@@ -0,0 +1,111 @@
+// Copyright 2018 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package logutil
+
+import (
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+	"google.golang.org/grpc/grpclog"
+)
+
+// NewGRPCLoggerV2 converts "*zap.Logger" to "grpclog.LoggerV2".
+// It discards all INFO level logging in gRPC, if debug level
+// is not enabled in "*zap.Logger".
+func NewGRPCLoggerV2(lcfg zap.Config) (grpclog.LoggerV2, error) {
+	lg, err := lcfg.Build(zap.AddCallerSkip(1)) // to annotate caller outside of "logutil"
+	if err != nil {
+		return nil, err
+	}
+	return &zapGRPCLogger{lg: lg, sugar: lg.Sugar()}, nil
+}
+
+// NewGRPCLoggerV2FromZapCore creates "grpclog.LoggerV2" from "zap.Core"
+// and "zapcore.WriteSyncer". It discards all INFO level logging in gRPC,
+// if debug level is not enabled in "*zap.Logger".
+func NewGRPCLoggerV2FromZapCore(cr zapcore.Core, syncer zapcore.WriteSyncer) grpclog.LoggerV2 {
+	// "AddCallerSkip" to annotate caller outside of "logutil"
+	lg := zap.New(cr, zap.AddCaller(), zap.AddCallerSkip(1), zap.ErrorOutput(syncer))
+	return &zapGRPCLogger{lg: lg, sugar: lg.Sugar()}
+}
+
+type zapGRPCLogger struct {
+	lg    *zap.Logger
+	sugar *zap.SugaredLogger
+}
+
+func (zl *zapGRPCLogger) Info(args ...interface{}) {
+	if !zl.lg.Core().Enabled(zapcore.DebugLevel) {
+		return
+	}
+	zl.sugar.Info(args...)
+}
+
+func (zl *zapGRPCLogger) Infoln(args ...interface{}) {
+	if !zl.lg.Core().Enabled(zapcore.DebugLevel) {
+		return
+	}
+	zl.sugar.Info(args...)
+}
+
+func (zl *zapGRPCLogger) Infof(format string, args ...interface{}) {
+	if !zl.lg.Core().Enabled(zapcore.DebugLevel) {
+		return
+	}
+	zl.sugar.Infof(format, args...)
+}
+
+func (zl *zapGRPCLogger) Warning(args ...interface{}) {
+	zl.sugar.Warn(args...)
+}
+
+func (zl *zapGRPCLogger) Warningln(args ...interface{}) {
+	zl.sugar.Warn(args...)
+}
+
+func (zl *zapGRPCLogger) Warningf(format string, args ...interface{}) {
+	zl.sugar.Warnf(format, args...)
+}
+
+func (zl *zapGRPCLogger) Error(args ...interface{}) {
+	zl.sugar.Error(args...)
+}
+
+func (zl *zapGRPCLogger) Errorln(args ...interface{}) {
+	zl.sugar.Error(args...)
+}
+
+func (zl *zapGRPCLogger) Errorf(format string, args ...interface{}) {
+	zl.sugar.Errorf(format, args...)
+}
+
+func (zl *zapGRPCLogger) Fatal(args ...interface{}) {
+	zl.sugar.Fatal(args...)
+}
+
+func (zl *zapGRPCLogger) Fatalln(args ...interface{}) {
+	zl.sugar.Fatal(args...)
+}
+
+func (zl *zapGRPCLogger) Fatalf(format string, args ...interface{}) {
+	zl.sugar.Fatalf(format, args...)
+}
+
+func (zl *zapGRPCLogger) V(l int) bool {
+	// infoLog == 0
+	if l <= 0 { // debug level, then we ignore info level in gRPC
+		return !zl.lg.Core().Enabled(zapcore.DebugLevel)
+	}
+	return true
+}
diff --git a/vendor/go.etcd.io/etcd/pkg/logutil/zap_journal.go b/vendor/go.etcd.io/etcd/pkg/logutil/zap_journal.go
new file mode 100644
index 0000000..fcd3903
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/pkg/logutil/zap_journal.go
@@ -0,0 +1,92 @@
+// Copyright 2018 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build !windows
+
+package logutil
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+
+	"go.etcd.io/etcd/pkg/systemd"
+
+	"github.com/coreos/go-systemd/journal"
+	"go.uber.org/zap/zapcore"
+)
+
+// NewJournalWriter wraps "io.Writer" to redirect log output
+// to the local systemd journal. If journald send fails, it fails
+// back to writing to the original writer.
+// The decode overhead is only <30µs per write.
+// Reference: https://github.com/coreos/pkg/blob/master/capnslog/journald_formatter.go
+func NewJournalWriter(wr io.Writer) (io.Writer, error) {
+	return &journalWriter{Writer: wr}, systemd.DialJournal()
+}
+
+type journalWriter struct {
+	io.Writer
+}
+
+// WARN: assume that etcd uses default field names in zap encoder config
+// make sure to keep this up-to-date!
+type logLine struct {
+	Level  string `json:"level"`
+	Caller string `json:"caller"`
+}
+
+func (w *journalWriter) Write(p []byte) (int, error) {
+	line := &logLine{}
+	if err := json.NewDecoder(bytes.NewReader(p)).Decode(line); err != nil {
+		return 0, err
+	}
+
+	var pri journal.Priority
+	switch line.Level {
+	case zapcore.DebugLevel.String():
+		pri = journal.PriDebug
+	case zapcore.InfoLevel.String():
+		pri = journal.PriInfo
+
+	case zapcore.WarnLevel.String():
+		pri = journal.PriWarning
+	case zapcore.ErrorLevel.String():
+		pri = journal.PriErr
+
+	case zapcore.DPanicLevel.String():
+		pri = journal.PriCrit
+	case zapcore.PanicLevel.String():
+		pri = journal.PriCrit
+	case zapcore.FatalLevel.String():
+		pri = journal.PriCrit
+
+	default:
+		panic(fmt.Errorf("unknown log level: %q", line.Level))
+	}
+
+	err := journal.Send(string(p), pri, map[string]string{
+		"PACKAGE":           filepath.Dir(line.Caller),
+		"SYSLOG_IDENTIFIER": filepath.Base(os.Args[0]),
+	})
+	if err != nil {
+		// "journal" also falls back to stderr
+		// "fmt.Fprintln(os.Stderr, s)"
+		return w.Writer.Write(p)
+	}
+	return 0, nil
+}
diff --git a/vendor/go.etcd.io/etcd/pkg/logutil/zap_raft.go b/vendor/go.etcd.io/etcd/pkg/logutil/zap_raft.go
new file mode 100644
index 0000000..e92cba0
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/pkg/logutil/zap_raft.go
@@ -0,0 +1,97 @@
+// Copyright 2018 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package logutil
+
+import (
+	"errors"
+
+	"go.etcd.io/etcd/raft"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+)
+
+// NewRaftLogger converts "*zap.Logger" to "raft.Logger".
+func NewRaftLogger(lcfg *zap.Config) (raft.Logger, error) {
+	if lcfg == nil {
+		return nil, errors.New("nil zap.Config")
+	}
+	lg, err := lcfg.Build(zap.AddCallerSkip(1)) // to annotate caller outside of "logutil"
+	if err != nil {
+		return nil, err
+	}
+	return &zapRaftLogger{lg: lg, sugar: lg.Sugar()}, nil
+}
+
+// NewRaftLoggerFromZapCore creates "raft.Logger" from "zap.Core"
+// and "zapcore.WriteSyncer".
+func NewRaftLoggerFromZapCore(cr zapcore.Core, syncer zapcore.WriteSyncer) raft.Logger {
+	// "AddCallerSkip" to annotate caller outside of "logutil"
+	lg := zap.New(cr, zap.AddCaller(), zap.AddCallerSkip(1), zap.ErrorOutput(syncer))
+	return &zapRaftLogger{lg: lg, sugar: lg.Sugar()}
+}
+
+type zapRaftLogger struct {
+	lg    *zap.Logger
+	sugar *zap.SugaredLogger
+}
+
+func (zl *zapRaftLogger) Debug(args ...interface{}) {
+	zl.sugar.Debug(args...)
+}
+
+func (zl *zapRaftLogger) Debugf(format string, args ...interface{}) {
+	zl.sugar.Debugf(format, args...)
+}
+
+func (zl *zapRaftLogger) Error(args ...interface{}) {
+	zl.sugar.Error(args...)
+}
+
+func (zl *zapRaftLogger) Errorf(format string, args ...interface{}) {
+	zl.sugar.Errorf(format, args...)
+}
+
+func (zl *zapRaftLogger) Info(args ...interface{}) {
+	zl.sugar.Info(args...)
+}
+
+func (zl *zapRaftLogger) Infof(format string, args ...interface{}) {
+	zl.sugar.Infof(format, args...)
+}
+
+func (zl *zapRaftLogger) Warning(args ...interface{}) {
+	zl.sugar.Warn(args...)
+}
+
+func (zl *zapRaftLogger) Warningf(format string, args ...interface{}) {
+	zl.sugar.Warnf(format, args...)
+}
+
+func (zl *zapRaftLogger) Fatal(args ...interface{}) {
+	zl.sugar.Fatal(args...)
+}
+
+func (zl *zapRaftLogger) Fatalf(format string, args ...interface{}) {
+	zl.sugar.Fatalf(format, args...)
+}
+
+func (zl *zapRaftLogger) Panic(args ...interface{}) {
+	zl.sugar.Panic(args...)
+}
+
+func (zl *zapRaftLogger) Panicf(format string, args ...interface{}) {
+	zl.sugar.Panicf(format, args...)
+}
diff --git a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go b/vendor/go.etcd.io/etcd/pkg/systemd/doc.go
similarity index 79%
copy from vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go
copy to vendor/go.etcd.io/etcd/pkg/systemd/doc.go
index 5c590e1..30e77ce 100644
--- a/vendor/github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes/md.go
+++ b/vendor/go.etcd.io/etcd/pkg/systemd/doc.go
@@ -1,4 +1,4 @@
-// Copyright 2016 The etcd Authors
+// Copyright 2018 The etcd Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,9 +12,5 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package rpctypes
-
-var (
-	MetadataRequireLeaderKey = "hasleader"
-	MetadataHasLeader        = "true"
-)
+// Package systemd provides utility functions for systemd.
+package systemd
diff --git a/vendor/go.etcd.io/etcd/pkg/systemd/journal.go b/vendor/go.etcd.io/etcd/pkg/systemd/journal.go
new file mode 100644
index 0000000..b861c69
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/pkg/systemd/journal.go
@@ -0,0 +1,29 @@
+// Copyright 2018 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package systemd
+
+import "net"
+
+// DialJournal returns no error if the process can dial journal socket.
+// Returns an error if dial failed, whichi indicates journald is not available
+// (e.g. run embedded etcd as docker daemon).
+// Reference: https://github.com/coreos/go-systemd/blob/master/journal/journal.go.
+func DialJournal() error {
+	conn, err := net.Dial("unixgram", "/run/systemd/journal/socket")
+	if conn != nil {
+		defer conn.Close()
+	}
+	return err
+}
diff --git a/vendor/github.com/coreos/etcd/pkg/types/doc.go b/vendor/go.etcd.io/etcd/pkg/types/doc.go
similarity index 100%
rename from vendor/github.com/coreos/etcd/pkg/types/doc.go
rename to vendor/go.etcd.io/etcd/pkg/types/doc.go
diff --git a/vendor/github.com/coreos/etcd/pkg/types/id.go b/vendor/go.etcd.io/etcd/pkg/types/id.go
similarity index 97%
rename from vendor/github.com/coreos/etcd/pkg/types/id.go
rename to vendor/go.etcd.io/etcd/pkg/types/id.go
index 1b042d9..ae00388 100644
--- a/vendor/github.com/coreos/etcd/pkg/types/id.go
+++ b/vendor/go.etcd.io/etcd/pkg/types/id.go
@@ -14,9 +14,7 @@
 
 package types
 
-import (
-	"strconv"
-)
+import "strconv"
 
 // ID represents a generic identifier which is canonically
 // stored as a uint64 but is typically represented as a
diff --git a/vendor/github.com/coreos/etcd/pkg/types/set.go b/vendor/go.etcd.io/etcd/pkg/types/set.go
similarity index 100%
rename from vendor/github.com/coreos/etcd/pkg/types/set.go
rename to vendor/go.etcd.io/etcd/pkg/types/set.go
diff --git a/vendor/github.com/coreos/etcd/pkg/types/slice.go b/vendor/go.etcd.io/etcd/pkg/types/slice.go
similarity index 100%
rename from vendor/github.com/coreos/etcd/pkg/types/slice.go
rename to vendor/go.etcd.io/etcd/pkg/types/slice.go
diff --git a/vendor/github.com/coreos/etcd/pkg/types/urls.go b/vendor/go.etcd.io/etcd/pkg/types/urls.go
similarity index 100%
rename from vendor/github.com/coreos/etcd/pkg/types/urls.go
rename to vendor/go.etcd.io/etcd/pkg/types/urls.go
diff --git a/vendor/github.com/coreos/etcd/pkg/types/urlsmap.go b/vendor/go.etcd.io/etcd/pkg/types/urlsmap.go
similarity index 100%
rename from vendor/github.com/coreos/etcd/pkg/types/urlsmap.go
rename to vendor/go.etcd.io/etcd/pkg/types/urlsmap.go
diff --git a/vendor/go.etcd.io/etcd/raft/OWNERS b/vendor/go.etcd.io/etcd/raft/OWNERS
new file mode 100644
index 0000000..ab78106
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/raft/OWNERS
@@ -0,0 +1,19 @@
+approvers:
+- heyitsanthony
+- philips
+- fanminshi
+- gyuho
+- mitake
+- jpbetz
+- xiang90
+- bdarnell
+reviewers:
+- heyitsanthony
+- philips
+- fanminshi
+- gyuho
+- mitake
+- jpbetz
+- xiang90
+- bdarnell
+- tschottdorf
diff --git a/vendor/go.etcd.io/etcd/raft/README.md b/vendor/go.etcd.io/etcd/raft/README.md
new file mode 100644
index 0000000..a78e5f7
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/raft/README.md
@@ -0,0 +1,197 @@
+# Raft library
+
+Raft is a protocol with which a cluster of nodes can maintain a replicated state machine.
+The state machine is kept in sync through the use of a replicated log.
+For more details on Raft, see "In Search of an Understandable Consensus Algorithm"
+(https://ramcloud.stanford.edu/raft.pdf) by Diego Ongaro and John Ousterhout.
+
+This Raft library is stable and feature complete. As of 2016, it is **the most widely used** Raft library in production, serving tens of thousands clusters each day. It powers distributed systems such as etcd, Kubernetes, Docker Swarm, Cloud Foundry Diego, CockroachDB, TiDB, Project Calico, Flannel, and more.
+
+Most Raft implementations have a monolithic design, including storage handling, messaging serialization, and network transport. This library instead follows a minimalistic design philosophy by only implementing the core raft algorithm. This minimalism buys flexibility, determinism, and performance.
+
+To keep the codebase small as well as provide flexibility, the library only implements the Raft algorithm; both network and disk IO are left to the user. Library users must implement their own transportation layer for message passing between Raft peers over the wire. Similarly, users must implement their own storage layer to persist the Raft log and state.
+
+In order to easily test the Raft library, its behavior should be deterministic. To achieve this determinism, the library models Raft as a state machine.  The state machine takes a `Message` as input. A message can either be a local timer update or a network message sent from a remote peer. The state machine's output is a 3-tuple `{[]Messages, []LogEntries, NextState}` consisting of an array of `Messages`, `log entries`, and `Raft state changes`. For state machines with the same state, the same state machine input should always generate the same state machine output.
+
+A simple example application, _raftexample_, is also available to help illustrate how to use this package in practice: https://github.com/etcd-io/etcd/tree/master/contrib/raftexample
+
+# Features
+
+This raft implementation is a full feature implementation of Raft protocol. Features includes:
+
+- Leader election
+- Log replication
+- Log compaction
+- Membership changes
+- Leadership transfer extension
+- Efficient linearizable read-only queries served by both the leader and followers
+  - leader checks with quorum and bypasses Raft log before processing read-only queries
+  - followers asks leader to get a safe read index before processing read-only queries
+- More efficient lease-based linearizable read-only queries served by both the leader and followers
+  - leader bypasses Raft log and processing read-only queries locally
+  - followers asks leader to get a safe read index before processing read-only queries
+  - this approach relies on the clock of the all the machines in raft group
+
+This raft implementation also includes a few optional enhancements:
+
+- Optimistic pipelining to reduce log replication latency
+- Flow control for log replication
+- Batching Raft messages to reduce synchronized network I/O calls
+- Batching log entries to reduce disk synchronized I/O
+- Writing to leader's disk in parallel
+- Internal proposal redirection from followers to leader
+- Automatic stepping down when the leader loses quorum
+- Protection against unbounded log growth when quorum is lost
+
+## Notable Users
+
+- [cockroachdb](https://github.com/cockroachdb/cockroach) A Scalable, Survivable, Strongly-Consistent SQL Database
+- [dgraph](https://github.com/dgraph-io/dgraph) A Scalable, Distributed, Low Latency, High Throughput Graph Database
+- [etcd](https://github.com/etcd-io/etcd) A distributed reliable key-value store
+- [tikv](https://github.com/pingcap/tikv) A Distributed transactional key value database powered by Rust and Raft
+- [swarmkit](https://github.com/docker/swarmkit) A toolkit for orchestrating distributed systems at any scale.
+- [chain core](https://github.com/chain/chain) Software for operating permissioned, multi-asset blockchain networks
+
+## Usage
+
+The primary object in raft is a Node. Either start a Node from scratch using raft.StartNode or start a Node from some initial state using raft.RestartNode.
+
+To start a three-node cluster
+```go
+  storage := raft.NewMemoryStorage()
+  c := &Config{
+    ID:              0x01,
+    ElectionTick:    10,
+    HeartbeatTick:   1,
+    Storage:         storage,
+    MaxSizePerMsg:   4096,
+    MaxInflightMsgs: 256,
+  }
+  // Set peer list to the other nodes in the cluster.
+  // Note that they need to be started separately as well.
+  n := raft.StartNode(c, []raft.Peer{{ID: 0x02}, {ID: 0x03}})
+```
+
+Start a single node cluster, like so:
+```go
+  // Create storage and config as shown above.
+  // Set peer list to itself, so this node can become the leader of this single-node cluster.
+  peers := []raft.Peer{{ID: 0x01}}
+  n := raft.StartNode(c, peers)
+```
+
+To allow a new node to join this cluster, do not pass in any peers. First, add the node to the existing cluster by calling `ProposeConfChange` on any existing node inside the cluster. Then, start the node with an empty peer list, like so:
+```go
+  // Create storage and config as shown above.
+  n := raft.StartNode(c, nil)
+```
+
+To restart a node from previous state:
+```go
+  storage := raft.NewMemoryStorage()
+
+  // Recover the in-memory storage from persistent snapshot, state and entries.
+  storage.ApplySnapshot(snapshot)
+  storage.SetHardState(state)
+  storage.Append(entries)
+
+  c := &Config{
+    ID:              0x01,
+    ElectionTick:    10,
+    HeartbeatTick:   1,
+    Storage:         storage,
+    MaxSizePerMsg:   4096,
+    MaxInflightMsgs: 256,
+  }
+
+  // Restart raft without peer information.
+  // Peer information is already included in the storage.
+  n := raft.RestartNode(c)
+```
+
+After creating a Node, the user has a few responsibilities:
+
+First, read from the Node.Ready() channel and process the updates it contains. These steps may be performed in parallel, except as noted in step 2.
+
+1. Write Entries, HardState and Snapshot to persistent storage in order, i.e. Entries first, then HardState and Snapshot if they are not empty. If persistent storage supports atomic writes then all of them can be written together. Note that when writing an Entry with Index i, any previously-persisted entries with Index >= i must be discarded.
+
+2. Send all Messages to the nodes named in the To field. It is important that no messages be sent until the latest HardState has been persisted to disk, and all Entries written by any previous Ready batch (Messages may be sent while entries from the same batch are being persisted). To reduce the I/O latency, an optimization can be applied to make leader write to disk in parallel with its followers (as explained at section 10.2.1 in Raft thesis). If any Message has type MsgSnap, call Node.ReportSnapshot() after it has been sent (these messages may be large). Note: Marshalling messages is not thread-safe; it is important to make sure that no new entries are persisted while marshalling. The easiest way to achieve this is to serialise the messages directly inside the main raft loop.
+
+3. Apply Snapshot (if any) and CommittedEntries to the state machine. If any committed Entry has Type EntryConfChange, call Node.ApplyConfChange() to apply it to the node. The configuration change may be cancelled at this point by setting the NodeID field to zero before calling ApplyConfChange (but ApplyConfChange must be called one way or the other, and the decision to cancel must be based solely on the state machine and not external information such as the observed health of the node).
+
+4. Call Node.Advance() to signal readiness for the next batch of updates. This may be done at any time after step 1, although all updates must be processed in the order they were returned by Ready.
+
+Second, all persisted log entries must be made available via an implementation of the Storage interface. The provided MemoryStorage type can be used for this (if repopulating its state upon a restart), or a custom disk-backed implementation can be supplied.
+
+Third, after receiving a message from another node, pass it to Node.Step:
+
+```go
+	func recvRaftRPC(ctx context.Context, m raftpb.Message) {
+		n.Step(ctx, m)
+	}
+```
+
+Finally, call `Node.Tick()` at regular intervals (probably via a `time.Ticker`). Raft has two important timeouts: heartbeat and the election timeout. However, internally to the raft package time is represented by an abstract "tick".
+
+The total state machine handling loop will look something like this:
+
+```go
+  for {
+    select {
+    case <-s.Ticker:
+      n.Tick()
+    case rd := <-s.Node.Ready():
+      saveToStorage(rd.HardState, rd.Entries, rd.Snapshot)
+      send(rd.Messages)
+      if !raft.IsEmptySnap(rd.Snapshot) {
+        processSnapshot(rd.Snapshot)
+      }
+      for _, entry := range rd.CommittedEntries {
+        process(entry)
+        if entry.Type == raftpb.EntryConfChange {
+          var cc raftpb.ConfChange
+          cc.Unmarshal(entry.Data)
+          s.Node.ApplyConfChange(cc)
+        }
+      }
+      s.Node.Advance()
+    case <-s.done:
+      return
+    }
+  }
+```
+
+To propose changes to the state machine from the node to take application data, serialize it into a byte slice and call:
+
+```go
+	n.Propose(ctx, data)
+```
+
+If the proposal is committed, data will appear in committed entries with type raftpb.EntryNormal. There is no guarantee that a proposed command will be committed; the command may have to be reproposed after a timeout.
+
+To add or remove node in a cluster, build ConfChange struct 'cc' and call:
+
+```go
+	n.ProposeConfChange(ctx, cc)
+```
+
+After config change is committed, some committed entry with type raftpb.EntryConfChange will be returned. This must be applied to node through:
+
+```go
+	var cc raftpb.ConfChange
+	cc.Unmarshal(data)
+	n.ApplyConfChange(cc)
+```
+
+Note: An ID represents a unique node in a cluster for all time. A
+given ID MUST be used only once even if the old node has been removed.
+This means that for example IP addresses make poor node IDs since they
+may be reused. Node IDs must be non-zero.
+
+## Implementation notes
+
+This implementation is up to date with the final Raft thesis (https://ramcloud.stanford.edu/~ongaro/thesis.pdf), although this implementation of the membership change protocol differs somewhat from that described in chapter 4. The key invariant that membership changes happen one node at a time is preserved, but in our implementation the membership change takes effect when its entry is applied, not when it is added to the log (so the entry is committed under the old membership instead of the new). This is equivalent in terms of safety, since the old and new configurations are guaranteed to overlap.
+
+To ensure there is no attempt to commit two membership changes at once by matching log positions (which would be unsafe since they should have different quorum requirements), any proposed membership change is simply disallowed while any uncommitted change appears in the leader's log.
+
+This approach introduces a problem when removing a member from a two-member cluster: If one of the members dies before the other one receives the commit of the confchange entry, then the member cannot be removed any more since the cluster cannot make progress. For this reason it is highly recommended to use three or more nodes in every cluster.
diff --git a/vendor/go.etcd.io/etcd/raft/design.md b/vendor/go.etcd.io/etcd/raft/design.md
new file mode 100644
index 0000000..7bc0531
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/raft/design.md
@@ -0,0 +1,57 @@
+## Progress
+
+Progress represents a follower’s progress in the view of the leader. Leader maintains progresses of all followers, and sends `replication message` to the follower based on its progress. 
+
+`replication message` is a `msgApp` with log entries.
+
+A progress has two attribute: `match` and `next`. `match` is the index of the highest known matched entry. If leader knows nothing about follower’s replication status, `match` is set to zero. `next` is the index of the first entry that will be replicated to the follower. Leader puts entries from `next` to its latest one in next `replication message`.
+
+A progress is in one of the three state: `probe`, `replicate`, `snapshot`. 
+
+```
+                            +--------------------------------------------------------+          
+                            |                  send snapshot                         |          
+                            |                                                        |          
+                  +---------+----------+                                  +----------v---------+
+              +--->       probe        |                                  |      snapshot      |
+              |   |  max inflight = 1  <----------------------------------+  max inflight = 0  |
+              |   +---------+----------+                                  +--------------------+
+              |             |            1. snapshot success                                    
+              |             |               (next=snapshot.index + 1)                           
+              |             |            2. snapshot failure                                    
+              |             |               (no change)                                         
+              |             |            3. receives msgAppResp(rej=false&&index>lastsnap.index)
+              |             |               (match=m.index,next=match+1)                        
+receives msgAppResp(rej=true)                                                                   
+(next=match+1)|             |                                                                   
+              |             |                                                                   
+              |             |                                                                   
+              |             |   receives msgAppResp(rej=false&&index>match)                     
+              |             |   (match=m.index,next=match+1)                                    
+              |             |                                                                   
+              |             |                                                                   
+              |             |                                                                   
+              |   +---------v----------+                                                        
+              |   |     replicate      |                                                        
+              +---+  max inflight = n  |                                                        
+                  +--------------------+                                                        
+```
+
+When the progress of a follower is in `probe` state, leader sends at most one `replication message` per heartbeat interval. The leader sends `replication message` slowly and probing the actual progress of the follower. A `msgHeartbeatResp` or a `msgAppResp` with reject might trigger the sending of the next `replication message`.
+
+When the progress of a follower is in `replicate` state, leader sends `replication message`, then optimistically increases `next` to the latest entry sent. This is an optimized state for fast replicating log entries to the follower.
+
+When the progress of a follower is in `snapshot` state, leader stops sending any `replication message`.
+
+A newly elected leader sets the progresses of all the followers to `probe` state with `match` = 0 and `next` = last index. The leader slowly (at most once per heartbeat) sends `replication message` to the follower and probes its progress.
+
+A progress changes to `replicate` when the follower replies with a non-rejection `msgAppResp`, which implies that it has matched the index sent. At this point, leader starts to stream log entries to the follower fast. The progress will fall back to `probe` when the follower replies a rejection `msgAppResp` or the link layer reports the follower is unreachable. We aggressively reset `next` to `match`+1 since if we receive any `msgAppResp` soon, both `match` and `next` will increase directly to the `index` in `msgAppResp`. (We might end up with sending some duplicate entries when aggressively reset `next` too low.  see open question)
+
+A progress changes from `probe` to `snapshot` when the follower falls very far behind and requires a snapshot. After sending `msgSnap`, the leader waits until the success, failure or abortion of the previous snapshot sent. The progress will go back to `probe` after the sending result is applied.
+
+### Flow Control
+
+1. limit the max size of message sent per message. Max should be configurable.
+Lower the cost at probing state as we limit the size per message; lower the penalty when aggressively decreased to a too low `next`
+
+2. limit the # of in flight messages < N when in `replicate` state. N should be configurable. Most implementation will have a sending buffer on top of its actual network transport layer (not blocking raft node). We want to make sure raft does not overflow that buffer, which can cause message dropping and triggering a bunch of unnecessary resending repeatedly. 
diff --git a/vendor/go.etcd.io/etcd/raft/doc.go b/vendor/go.etcd.io/etcd/raft/doc.go
new file mode 100644
index 0000000..c30d884
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/raft/doc.go
@@ -0,0 +1,300 @@
+// Copyright 2015 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/*
+Package raft sends and receives messages in the Protocol Buffer format
+defined in the raftpb package.
+
+Raft is a protocol with which a cluster of nodes can maintain a replicated state machine.
+The state machine is kept in sync through the use of a replicated log.
+For more details on Raft, see "In Search of an Understandable Consensus Algorithm"
+(https://ramcloud.stanford.edu/raft.pdf) by Diego Ongaro and John Ousterhout.
+
+A simple example application, _raftexample_, is also available to help illustrate
+how to use this package in practice:
+https://github.com/etcd-io/etcd/tree/master/contrib/raftexample
+
+Usage
+
+The primary object in raft is a Node. You either start a Node from scratch
+using raft.StartNode or start a Node from some initial state using raft.RestartNode.
+
+To start a node from scratch:
+
+  storage := raft.NewMemoryStorage()
+  c := &Config{
+    ID:              0x01,
+    ElectionTick:    10,
+    HeartbeatTick:   1,
+    Storage:         storage,
+    MaxSizePerMsg:   4096,
+    MaxInflightMsgs: 256,
+  }
+  n := raft.StartNode(c, []raft.Peer{{ID: 0x02}, {ID: 0x03}})
+
+To restart a node from previous state:
+
+  storage := raft.NewMemoryStorage()
+
+  // recover the in-memory storage from persistent
+  // snapshot, state and entries.
+  storage.ApplySnapshot(snapshot)
+  storage.SetHardState(state)
+  storage.Append(entries)
+
+  c := &Config{
+    ID:              0x01,
+    ElectionTick:    10,
+    HeartbeatTick:   1,
+    Storage:         storage,
+    MaxSizePerMsg:   4096,
+    MaxInflightMsgs: 256,
+  }
+
+  // restart raft without peer information.
+  // peer information is already included in the storage.
+  n := raft.RestartNode(c)
+
+Now that you are holding onto a Node you have a few responsibilities:
+
+First, you must read from the Node.Ready() channel and process the updates
+it contains. These steps may be performed in parallel, except as noted in step
+2.
+
+1. Write HardState, Entries, and Snapshot to persistent storage if they are
+not empty. Note that when writing an Entry with Index i, any
+previously-persisted entries with Index >= i must be discarded.
+
+2. Send all Messages to the nodes named in the To field. It is important that
+no messages be sent until the latest HardState has been persisted to disk,
+and all Entries written by any previous Ready batch (Messages may be sent while
+entries from the same batch are being persisted). To reduce the I/O latency, an
+optimization can be applied to make leader write to disk in parallel with its
+followers (as explained at section 10.2.1 in Raft thesis). If any Message has type
+MsgSnap, call Node.ReportSnapshot() after it has been sent (these messages may be
+large).
+
+Note: Marshalling messages is not thread-safe; it is important that you
+make sure that no new entries are persisted while marshalling.
+The easiest way to achieve this is to serialize the messages directly inside
+your main raft loop.
+
+3. Apply Snapshot (if any) and CommittedEntries to the state machine.
+If any committed Entry has Type EntryConfChange, call Node.ApplyConfChange()
+to apply it to the node. The configuration change may be cancelled at this point
+by setting the NodeID field to zero before calling ApplyConfChange
+(but ApplyConfChange must be called one way or the other, and the decision to cancel
+must be based solely on the state machine and not external information such as
+the observed health of the node).
+
+4. Call Node.Advance() to signal readiness for the next batch of updates.
+This may be done at any time after step 1, although all updates must be processed
+in the order they were returned by Ready.
+
+Second, all persisted log entries must be made available via an
+implementation of the Storage interface. The provided MemoryStorage
+type can be used for this (if you repopulate its state upon a
+restart), or you can supply your own disk-backed implementation.
+
+Third, when you receive a message from another node, pass it to Node.Step:
+
+	func recvRaftRPC(ctx context.Context, m raftpb.Message) {
+		n.Step(ctx, m)
+	}
+
+Finally, you need to call Node.Tick() at regular intervals (probably
+via a time.Ticker). Raft has two important timeouts: heartbeat and the
+election timeout. However, internally to the raft package time is
+represented by an abstract "tick".
+
+The total state machine handling loop will look something like this:
+
+  for {
+    select {
+    case <-s.Ticker:
+      n.Tick()
+    case rd := <-s.Node.Ready():
+      saveToStorage(rd.State, rd.Entries, rd.Snapshot)
+      send(rd.Messages)
+      if !raft.IsEmptySnap(rd.Snapshot) {
+        processSnapshot(rd.Snapshot)
+      }
+      for _, entry := range rd.CommittedEntries {
+        process(entry)
+        if entry.Type == raftpb.EntryConfChange {
+          var cc raftpb.ConfChange
+          cc.Unmarshal(entry.Data)
+          s.Node.ApplyConfChange(cc)
+        }
+      }
+      s.Node.Advance()
+    case <-s.done:
+      return
+    }
+  }
+
+To propose changes to the state machine from your node take your application
+data, serialize it into a byte slice and call:
+
+	n.Propose(ctx, data)
+
+If the proposal is committed, data will appear in committed entries with type
+raftpb.EntryNormal. There is no guarantee that a proposed command will be
+committed; you may have to re-propose after a timeout.
+
+To add or remove a node in a cluster, build ConfChange struct 'cc' and call:
+
+	n.ProposeConfChange(ctx, cc)
+
+After config change is committed, some committed entry with type
+raftpb.EntryConfChange will be returned. You must apply it to node through:
+
+	var cc raftpb.ConfChange
+	cc.Unmarshal(data)
+	n.ApplyConfChange(cc)
+
+Note: An ID represents a unique node in a cluster for all time. A
+given ID MUST be used only once even if the old node has been removed.
+This means that for example IP addresses make poor node IDs since they
+may be reused. Node IDs must be non-zero.
+
+Implementation notes
+
+This implementation is up to date with the final Raft thesis
+(https://ramcloud.stanford.edu/~ongaro/thesis.pdf), although our
+implementation of the membership change protocol differs somewhat from
+that described in chapter 4. The key invariant that membership changes
+happen one node at a time is preserved, but in our implementation the
+membership change takes effect when its entry is applied, not when it
+is added to the log (so the entry is committed under the old
+membership instead of the new). This is equivalent in terms of safety,
+since the old and new configurations are guaranteed to overlap.
+
+To ensure that we do not attempt to commit two membership changes at
+once by matching log positions (which would be unsafe since they
+should have different quorum requirements), we simply disallow any
+proposed membership change while any uncommitted change appears in
+the leader's log.
+
+This approach introduces a problem when you try to remove a member
+from a two-member cluster: If one of the members dies before the
+other one receives the commit of the confchange entry, then the member
+cannot be removed any more since the cluster cannot make progress.
+For this reason it is highly recommended to use three or more nodes in
+every cluster.
+
+MessageType
+
+Package raft sends and receives message in Protocol Buffer format (defined
+in raftpb package). Each state (follower, candidate, leader) implements its
+own 'step' method ('stepFollower', 'stepCandidate', 'stepLeader') when
+advancing with the given raftpb.Message. Each step is determined by its
+raftpb.MessageType. Note that every step is checked by one common method
+'Step' that safety-checks the terms of node and incoming message to prevent
+stale log entries:
+
+	'MsgHup' is used for election. If a node is a follower or candidate, the
+	'tick' function in 'raft' struct is set as 'tickElection'. If a follower or
+	candidate has not received any heartbeat before the election timeout, it
+	passes 'MsgHup' to its Step method and becomes (or remains) a candidate to
+	start a new election.
+
+	'MsgBeat' is an internal type that signals the leader to send a heartbeat of
+	the 'MsgHeartbeat' type. If a node is a leader, the 'tick' function in
+	the 'raft' struct is set as 'tickHeartbeat', and triggers the leader to
+	send periodic 'MsgHeartbeat' messages to its followers.
+
+	'MsgProp' proposes to append data to its log entries. This is a special
+	type to redirect proposals to leader. Therefore, send method overwrites
+	raftpb.Message's term with its HardState's term to avoid attaching its
+	local term to 'MsgProp'. When 'MsgProp' is passed to the leader's 'Step'
+	method, the leader first calls the 'appendEntry' method to append entries
+	to its log, and then calls 'bcastAppend' method to send those entries to
+	its peers. When passed to candidate, 'MsgProp' is dropped. When passed to
+	follower, 'MsgProp' is stored in follower's mailbox(msgs) by the send
+	method. It is stored with sender's ID and later forwarded to leader by
+	rafthttp package.
+
+	'MsgApp' contains log entries to replicate. A leader calls bcastAppend,
+	which calls sendAppend, which sends soon-to-be-replicated logs in 'MsgApp'
+	type. When 'MsgApp' is passed to candidate's Step method, candidate reverts
+	back to follower, because it indicates that there is a valid leader sending
+	'MsgApp' messages. Candidate and follower respond to this message in
+	'MsgAppResp' type.
+
+	'MsgAppResp' is response to log replication request('MsgApp'). When
+	'MsgApp' is passed to candidate or follower's Step method, it responds by
+	calling 'handleAppendEntries' method, which sends 'MsgAppResp' to raft
+	mailbox.
+
+	'MsgVote' requests votes for election. When a node is a follower or
+	candidate and 'MsgHup' is passed to its Step method, then the node calls
+	'campaign' method to campaign itself to become a leader. Once 'campaign'
+	method is called, the node becomes candidate and sends 'MsgVote' to peers
+	in cluster to request votes. When passed to leader or candidate's Step
+	method and the message's Term is lower than leader's or candidate's,
+	'MsgVote' will be rejected ('MsgVoteResp' is returned with Reject true).
+	If leader or candidate receives 'MsgVote' with higher term, it will revert
+	back to follower. When 'MsgVote' is passed to follower, it votes for the
+	sender only when sender's last term is greater than MsgVote's term or
+	sender's last term is equal to MsgVote's term but sender's last committed
+	index is greater than or equal to follower's.
+
+	'MsgVoteResp' contains responses from voting request. When 'MsgVoteResp' is
+	passed to candidate, the candidate calculates how many votes it has won. If
+	it's more than majority (quorum), it becomes leader and calls 'bcastAppend'.
+	If candidate receives majority of votes of denials, it reverts back to
+	follower.
+
+	'MsgPreVote' and 'MsgPreVoteResp' are used in an optional two-phase election
+	protocol. When Config.PreVote is true, a pre-election is carried out first
+	(using the same rules as a regular election), and no node increases its term
+	number unless the pre-election indicates that the campaigning node would win.
+	This minimizes disruption when a partitioned node rejoins the cluster.
+
+	'MsgSnap' requests to install a snapshot message. When a node has just
+	become a leader or the leader receives 'MsgProp' message, it calls
+	'bcastAppend' method, which then calls 'sendAppend' method to each
+	follower. In 'sendAppend', if a leader fails to get term or entries,
+	the leader requests snapshot by sending 'MsgSnap' type message.
+
+	'MsgSnapStatus' tells the result of snapshot install message. When a
+	follower rejected 'MsgSnap', it indicates the snapshot request with
+	'MsgSnap' had failed from network issues which causes the network layer
+	to fail to send out snapshots to its followers. Then leader considers
+	follower's progress as probe. When 'MsgSnap' were not rejected, it
+	indicates that the snapshot succeeded and the leader sets follower's
+	progress to probe and resumes its log replication.
+
+	'MsgHeartbeat' sends heartbeat from leader. When 'MsgHeartbeat' is passed
+	to candidate and message's term is higher than candidate's, the candidate
+	reverts back to follower and updates its committed index from the one in
+	this heartbeat. And it sends the message to its mailbox. When
+	'MsgHeartbeat' is passed to follower's Step method and message's term is
+	higher than follower's, the follower updates its leaderID with the ID
+	from the message.
+
+	'MsgHeartbeatResp' is a response to 'MsgHeartbeat'. When 'MsgHeartbeatResp'
+	is passed to leader's Step method, the leader knows which follower
+	responded. And only when the leader's last committed index is greater than
+	follower's Match index, the leader runs 'sendAppend` method.
+
+	'MsgUnreachable' tells that request(message) wasn't delivered. When
+	'MsgUnreachable' is passed to leader's Step method, the leader discovers
+	that the follower that sent this 'MsgUnreachable' is not reachable, often
+	indicating 'MsgApp' is lost. When follower's progress state is replicate,
+	the leader sets it back to probe.
+
+*/
+package raft
diff --git a/vendor/go.etcd.io/etcd/raft/log.go b/vendor/go.etcd.io/etcd/raft/log.go
new file mode 100644
index 0000000..03f83e6
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/raft/log.go
@@ -0,0 +1,370 @@
+// Copyright 2015 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package raft
+
+import (
+	"fmt"
+	"log"
+
+	pb "go.etcd.io/etcd/raft/raftpb"
+)
+
+type raftLog struct {
+	// storage contains all stable entries since the last snapshot.
+	storage Storage
+
+	// unstable contains all unstable entries and snapshot.
+	// they will be saved into storage.
+	unstable unstable
+
+	// committed is the highest log position that is known to be in
+	// stable storage on a quorum of nodes.
+	committed uint64
+	// applied is the highest log position that the application has
+	// been instructed to apply to its state machine.
+	// Invariant: applied <= committed
+	applied uint64
+
+	logger Logger
+
+	// maxNextEntsSize is the maximum number aggregate byte size of the messages
+	// returned from calls to nextEnts.
+	maxNextEntsSize uint64
+}
+
+// newLog returns log using the given storage and default options. It
+// recovers the log to the state that it just commits and applies the
+// latest snapshot.
+func newLog(storage Storage, logger Logger) *raftLog {
+	return newLogWithSize(storage, logger, noLimit)
+}
+
+// newLogWithSize returns a log using the given storage and max
+// message size.
+func newLogWithSize(storage Storage, logger Logger, maxNextEntsSize uint64) *raftLog {
+	if storage == nil {
+		log.Panic("storage must not be nil")
+	}
+	log := &raftLog{
+		storage:         storage,
+		logger:          logger,
+		maxNextEntsSize: maxNextEntsSize,
+	}
+	firstIndex, err := storage.FirstIndex()
+	if err != nil {
+		panic(err) // TODO(bdarnell)
+	}
+	lastIndex, err := storage.LastIndex()
+	if err != nil {
+		panic(err) // TODO(bdarnell)
+	}
+	log.unstable.offset = lastIndex + 1
+	log.unstable.logger = logger
+	// Initialize our committed and applied pointers to the time of the last compaction.
+	log.committed = firstIndex - 1
+	log.applied = firstIndex - 1
+
+	return log
+}
+
+func (l *raftLog) String() string {
+	return fmt.Sprintf("committed=%d, applied=%d, unstable.offset=%d, len(unstable.Entries)=%d", l.committed, l.applied, l.unstable.offset, len(l.unstable.entries))
+}
+
+// maybeAppend returns (0, false) if the entries cannot be appended. Otherwise,
+// it returns (last index of new entries, true).
+func (l *raftLog) maybeAppend(index, logTerm, committed uint64, ents ...pb.Entry) (lastnewi uint64, ok bool) {
+	if l.matchTerm(index, logTerm) {
+		lastnewi = index + uint64(len(ents))
+		ci := l.findConflict(ents)
+		switch {
+		case ci == 0:
+		case ci <= l.committed:
+			l.logger.Panicf("entry %d conflict with committed entry [committed(%d)]", ci, l.committed)
+		default:
+			offset := index + 1
+			l.append(ents[ci-offset:]...)
+		}
+		l.commitTo(min(committed, lastnewi))
+		return lastnewi, true
+	}
+	return 0, false
+}
+
+func (l *raftLog) append(ents ...pb.Entry) uint64 {
+	if len(ents) == 0 {
+		return l.lastIndex()
+	}
+	if after := ents[0].Index - 1; after < l.committed {
+		l.logger.Panicf("after(%d) is out of range [committed(%d)]", after, l.committed)
+	}
+	l.unstable.truncateAndAppend(ents)
+	return l.lastIndex()
+}
+
+// findConflict finds the index of the conflict.
+// It returns the first pair of conflicting entries between the existing
+// entries and the given entries, if there are any.
+// If there is no conflicting entries, and the existing entries contains
+// all the given entries, zero will be returned.
+// If there is no conflicting entries, but the given entries contains new
+// entries, the index of the first new entry will be returned.
+// An entry is considered to be conflicting if it has the same index but
+// a different term.
+// The first entry MUST have an index equal to the argument 'from'.
+// The index of the given entries MUST be continuously increasing.
+func (l *raftLog) findConflict(ents []pb.Entry) uint64 {
+	for _, ne := range ents {
+		if !l.matchTerm(ne.Index, ne.Term) {
+			if ne.Index <= l.lastIndex() {
+				l.logger.Infof("found conflict at index %d [existing term: %d, conflicting term: %d]",
+					ne.Index, l.zeroTermOnErrCompacted(l.term(ne.Index)), ne.Term)
+			}
+			return ne.Index
+		}
+	}
+	return 0
+}
+
+func (l *raftLog) unstableEntries() []pb.Entry {
+	if len(l.unstable.entries) == 0 {
+		return nil
+	}
+	return l.unstable.entries
+}
+
+// nextEnts returns all the available entries for execution.
+// If applied is smaller than the index of snapshot, it returns all committed
+// entries after the index of snapshot.
+func (l *raftLog) nextEnts() (ents []pb.Entry) {
+	off := max(l.applied+1, l.firstIndex())
+	if l.committed+1 > off {
+		ents, err := l.slice(off, l.committed+1, l.maxNextEntsSize)
+		if err != nil {
+			l.logger.Panicf("unexpected error when getting unapplied entries (%v)", err)
+		}
+		return ents
+	}
+	return nil
+}
+
+// hasNextEnts returns if there is any available entries for execution. This
+// is a fast check without heavy raftLog.slice() in raftLog.nextEnts().
+func (l *raftLog) hasNextEnts() bool {
+	off := max(l.applied+1, l.firstIndex())
+	return l.committed+1 > off
+}
+
+func (l *raftLog) snapshot() (pb.Snapshot, error) {
+	if l.unstable.snapshot != nil {
+		return *l.unstable.snapshot, nil
+	}
+	return l.storage.Snapshot()
+}
+
+func (l *raftLog) firstIndex() uint64 {
+	if i, ok := l.unstable.maybeFirstIndex(); ok {
+		return i
+	}
+	index, err := l.storage.FirstIndex()
+	if err != nil {
+		panic(err) // TODO(bdarnell)
+	}
+	return index
+}
+
+func (l *raftLog) lastIndex() uint64 {
+	if i, ok := l.unstable.maybeLastIndex(); ok {
+		return i
+	}
+	i, err := l.storage.LastIndex()
+	if err != nil {
+		panic(err) // TODO(bdarnell)
+	}
+	return i
+}
+
+func (l *raftLog) commitTo(tocommit uint64) {
+	// never decrease commit
+	if l.committed < tocommit {
+		if l.lastIndex() < tocommit {
+			l.logger.Panicf("tocommit(%d) is out of range [lastIndex(%d)]. Was the raft log corrupted, truncated, or lost?", tocommit, l.lastIndex())
+		}
+		l.committed = tocommit
+	}
+}
+
+func (l *raftLog) appliedTo(i uint64) {
+	if i == 0 {
+		return
+	}
+	if l.committed < i || i < l.applied {
+		l.logger.Panicf("applied(%d) is out of range [prevApplied(%d), committed(%d)]", i, l.applied, l.committed)
+	}
+	l.applied = i
+}
+
+func (l *raftLog) stableTo(i, t uint64) { l.unstable.stableTo(i, t) }
+
+func (l *raftLog) stableSnapTo(i uint64) { l.unstable.stableSnapTo(i) }
+
+func (l *raftLog) lastTerm() uint64 {
+	t, err := l.term(l.lastIndex())
+	if err != nil {
+		l.logger.Panicf("unexpected error when getting the last term (%v)", err)
+	}
+	return t
+}
+
+func (l *raftLog) term(i uint64) (uint64, error) {
+	// the valid term range is [index of dummy entry, last index]
+	dummyIndex := l.firstIndex() - 1
+	if i < dummyIndex || i > l.lastIndex() {
+		// TODO: return an error instead?
+		return 0, nil
+	}
+
+	if t, ok := l.unstable.maybeTerm(i); ok {
+		return t, nil
+	}
+
+	t, err := l.storage.Term(i)
+	if err == nil {
+		return t, nil
+	}
+	if err == ErrCompacted || err == ErrUnavailable {
+		return 0, err
+	}
+	panic(err) // TODO(bdarnell)
+}
+
+func (l *raftLog) entries(i, maxsize uint64) ([]pb.Entry, error) {
+	if i > l.lastIndex() {
+		return nil, nil
+	}
+	return l.slice(i, l.lastIndex()+1, maxsize)
+}
+
+// allEntries returns all entries in the log.
+func (l *raftLog) allEntries() []pb.Entry {
+	ents, err := l.entries(l.firstIndex(), noLimit)
+	if err == nil {
+		return ents
+	}
+	if err == ErrCompacted { // try again if there was a racing compaction
+		return l.allEntries()
+	}
+	// TODO (xiangli): handle error?
+	panic(err)
+}
+
+// isUpToDate determines if the given (lastIndex,term) log is more up-to-date
+// by comparing the index and term of the last entries in the existing logs.
+// If the logs have last entries with different terms, then the log with the
+// later term is more up-to-date. If the logs end with the same term, then
+// whichever log has the larger lastIndex is more up-to-date. If the logs are
+// the same, the given log is up-to-date.
+func (l *raftLog) isUpToDate(lasti, term uint64) bool {
+	return term > l.lastTerm() || (term == l.lastTerm() && lasti >= l.lastIndex())
+}
+
+func (l *raftLog) matchTerm(i, term uint64) bool {
+	t, err := l.term(i)
+	if err != nil {
+		return false
+	}
+	return t == term
+}
+
+func (l *raftLog) maybeCommit(maxIndex, term uint64) bool {
+	if maxIndex > l.committed && l.zeroTermOnErrCompacted(l.term(maxIndex)) == term {
+		l.commitTo(maxIndex)
+		return true
+	}
+	return false
+}
+
+func (l *raftLog) restore(s pb.Snapshot) {
+	l.logger.Infof("log [%s] starts to restore snapshot [index: %d, term: %d]", l, s.Metadata.Index, s.Metadata.Term)
+	l.committed = s.Metadata.Index
+	l.unstable.restore(s)
+}
+
+// slice returns a slice of log entries from lo through hi-1, inclusive.
+func (l *raftLog) slice(lo, hi, maxSize uint64) ([]pb.Entry, error) {
+	err := l.mustCheckOutOfBounds(lo, hi)
+	if err != nil {
+		return nil, err
+	}
+	if lo == hi {
+		return nil, nil
+	}
+	var ents []pb.Entry
+	if lo < l.unstable.offset {
+		storedEnts, err := l.storage.Entries(lo, min(hi, l.unstable.offset), maxSize)
+		if err == ErrCompacted {
+			return nil, err
+		} else if err == ErrUnavailable {
+			l.logger.Panicf("entries[%d:%d) is unavailable from storage", lo, min(hi, l.unstable.offset))
+		} else if err != nil {
+			panic(err) // TODO(bdarnell)
+		}
+
+		// check if ents has reached the size limitation
+		if uint64(len(storedEnts)) < min(hi, l.unstable.offset)-lo {
+			return storedEnts, nil
+		}
+
+		ents = storedEnts
+	}
+	if hi > l.unstable.offset {
+		unstable := l.unstable.slice(max(lo, l.unstable.offset), hi)
+		if len(ents) > 0 {
+			ents = append([]pb.Entry{}, ents...)
+			ents = append(ents, unstable...)
+		} else {
+			ents = unstable
+		}
+	}
+	return limitSize(ents, maxSize), nil
+}
+
+// l.firstIndex <= lo <= hi <= l.firstIndex + len(l.entries)
+func (l *raftLog) mustCheckOutOfBounds(lo, hi uint64) error {
+	if lo > hi {
+		l.logger.Panicf("invalid slice %d > %d", lo, hi)
+	}
+	fi := l.firstIndex()
+	if lo < fi {
+		return ErrCompacted
+	}
+
+	length := l.lastIndex() + 1 - fi
+	if lo < fi || hi > fi+length {
+		l.logger.Panicf("slice[%d,%d) out of bound [%d,%d]", lo, hi, fi, l.lastIndex())
+	}
+	return nil
+}
+
+func (l *raftLog) zeroTermOnErrCompacted(t uint64, err error) uint64 {
+	if err == nil {
+		return t
+	}
+	if err == ErrCompacted {
+		return 0
+	}
+	l.logger.Panicf("unexpected error (%v)", err)
+	return 0
+}
diff --git a/vendor/go.etcd.io/etcd/raft/log_unstable.go b/vendor/go.etcd.io/etcd/raft/log_unstable.go
new file mode 100644
index 0000000..1005bf6
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/raft/log_unstable.go
@@ -0,0 +1,159 @@
+// Copyright 2015 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package raft
+
+import pb "go.etcd.io/etcd/raft/raftpb"
+
+// unstable.entries[i] has raft log position i+unstable.offset.
+// Note that unstable.offset may be less than the highest log
+// position in storage; this means that the next write to storage
+// might need to truncate the log before persisting unstable.entries.
+type unstable struct {
+	// the incoming unstable snapshot, if any.
+	snapshot *pb.Snapshot
+	// all entries that have not yet been written to storage.
+	entries []pb.Entry
+	offset  uint64
+
+	logger Logger
+}
+
+// maybeFirstIndex returns the index of the first possible entry in entries
+// if it has a snapshot.
+func (u *unstable) maybeFirstIndex() (uint64, bool) {
+	if u.snapshot != nil {
+		return u.snapshot.Metadata.Index + 1, true
+	}
+	return 0, false
+}
+
+// maybeLastIndex returns the last index if it has at least one
+// unstable entry or snapshot.
+func (u *unstable) maybeLastIndex() (uint64, bool) {
+	if l := len(u.entries); l != 0 {
+		return u.offset + uint64(l) - 1, true
+	}
+	if u.snapshot != nil {
+		return u.snapshot.Metadata.Index, true
+	}
+	return 0, false
+}
+
+// maybeTerm returns the term of the entry at index i, if there
+// is any.
+func (u *unstable) maybeTerm(i uint64) (uint64, bool) {
+	if i < u.offset {
+		if u.snapshot == nil {
+			return 0, false
+		}
+		if u.snapshot.Metadata.Index == i {
+			return u.snapshot.Metadata.Term, true
+		}
+		return 0, false
+	}
+
+	last, ok := u.maybeLastIndex()
+	if !ok {
+		return 0, false
+	}
+	if i > last {
+		return 0, false
+	}
+	return u.entries[i-u.offset].Term, true
+}
+
+func (u *unstable) stableTo(i, t uint64) {
+	gt, ok := u.maybeTerm(i)
+	if !ok {
+		return
+	}
+	// if i < offset, term is matched with the snapshot
+	// only update the unstable entries if term is matched with
+	// an unstable entry.
+	if gt == t && i >= u.offset {
+		u.entries = u.entries[i+1-u.offset:]
+		u.offset = i + 1
+		u.shrinkEntriesArray()
+	}
+}
+
+// shrinkEntriesArray discards the underlying array used by the entries slice
+// if most of it isn't being used. This avoids holding references to a bunch of
+// potentially large entries that aren't needed anymore. Simply clearing the
+// entries wouldn't be safe because clients might still be using them.
+func (u *unstable) shrinkEntriesArray() {
+	// We replace the array if we're using less than half of the space in
+	// it. This number is fairly arbitrary, chosen as an attempt to balance
+	// memory usage vs number of allocations. It could probably be improved
+	// with some focused tuning.
+	const lenMultiple = 2
+	if len(u.entries) == 0 {
+		u.entries = nil
+	} else if len(u.entries)*lenMultiple < cap(u.entries) {
+		newEntries := make([]pb.Entry, len(u.entries))
+		copy(newEntries, u.entries)
+		u.entries = newEntries
+	}
+}
+
+func (u *unstable) stableSnapTo(i uint64) {
+	if u.snapshot != nil && u.snapshot.Metadata.Index == i {
+		u.snapshot = nil
+	}
+}
+
+func (u *unstable) restore(s pb.Snapshot) {
+	u.offset = s.Metadata.Index + 1
+	u.entries = nil
+	u.snapshot = &s
+}
+
+func (u *unstable) truncateAndAppend(ents []pb.Entry) {
+	after := ents[0].Index
+	switch {
+	case after == u.offset+uint64(len(u.entries)):
+		// after is the next index in the u.entries
+		// directly append
+		u.entries = append(u.entries, ents...)
+	case after <= u.offset:
+		u.logger.Infof("replace the unstable entries from index %d", after)
+		// The log is being truncated to before our current offset
+		// portion, so set the offset and replace the entries
+		u.offset = after
+		u.entries = ents
+	default:
+		// truncate to after and copy to u.entries
+		// then append
+		u.logger.Infof("truncate the unstable entries before index %d", after)
+		u.entries = append([]pb.Entry{}, u.slice(u.offset, after)...)
+		u.entries = append(u.entries, ents...)
+	}
+}
+
+func (u *unstable) slice(lo uint64, hi uint64) []pb.Entry {
+	u.mustCheckOutOfBounds(lo, hi)
+	return u.entries[lo-u.offset : hi-u.offset]
+}
+
+// u.offset <= lo <= hi <= u.offset+len(u.entries)
+func (u *unstable) mustCheckOutOfBounds(lo, hi uint64) {
+	if lo > hi {
+		u.logger.Panicf("invalid unstable.slice %d > %d", lo, hi)
+	}
+	upper := u.offset + uint64(len(u.entries))
+	if lo < u.offset || hi > upper {
+		u.logger.Panicf("unstable.slice[%d,%d) out of bound [%d,%d]", lo, hi, u.offset, upper)
+	}
+}
diff --git a/vendor/go.etcd.io/etcd/raft/logger.go b/vendor/go.etcd.io/etcd/raft/logger.go
new file mode 100644
index 0000000..426a77d
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/raft/logger.go
@@ -0,0 +1,126 @@
+// Copyright 2015 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package raft
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+)
+
+type Logger interface {
+	Debug(v ...interface{})
+	Debugf(format string, v ...interface{})
+
+	Error(v ...interface{})
+	Errorf(format string, v ...interface{})
+
+	Info(v ...interface{})
+	Infof(format string, v ...interface{})
+
+	Warning(v ...interface{})
+	Warningf(format string, v ...interface{})
+
+	Fatal(v ...interface{})
+	Fatalf(format string, v ...interface{})
+
+	Panic(v ...interface{})
+	Panicf(format string, v ...interface{})
+}
+
+func SetLogger(l Logger) { raftLogger = l }
+
+var (
+	defaultLogger = &DefaultLogger{Logger: log.New(os.Stderr, "raft", log.LstdFlags)}
+	discardLogger = &DefaultLogger{Logger: log.New(ioutil.Discard, "", 0)}
+	raftLogger    = Logger(defaultLogger)
+)
+
+const (
+	calldepth = 2
+)
+
+// DefaultLogger is a default implementation of the Logger interface.
+type DefaultLogger struct {
+	*log.Logger
+	debug bool
+}
+
+func (l *DefaultLogger) EnableTimestamps() {
+	l.SetFlags(l.Flags() | log.Ldate | log.Ltime)
+}
+
+func (l *DefaultLogger) EnableDebug() {
+	l.debug = true
+}
+
+func (l *DefaultLogger) Debug(v ...interface{}) {
+	if l.debug {
+		l.Output(calldepth, header("DEBUG", fmt.Sprint(v...)))
+	}
+}
+
+func (l *DefaultLogger) Debugf(format string, v ...interface{}) {
+	if l.debug {
+		l.Output(calldepth, header("DEBUG", fmt.Sprintf(format, v...)))
+	}
+}
+
+func (l *DefaultLogger) Info(v ...interface{}) {
+	l.Output(calldepth, header("INFO", fmt.Sprint(v...)))
+}
+
+func (l *DefaultLogger) Infof(format string, v ...interface{}) {
+	l.Output(calldepth, header("INFO", fmt.Sprintf(format, v...)))
+}
+
+func (l *DefaultLogger) Error(v ...interface{}) {
+	l.Output(calldepth, header("ERROR", fmt.Sprint(v...)))
+}
+
+func (l *DefaultLogger) Errorf(format string, v ...interface{}) {
+	l.Output(calldepth, header("ERROR", fmt.Sprintf(format, v...)))
+}
+
+func (l *DefaultLogger) Warning(v ...interface{}) {
+	l.Output(calldepth, header("WARN", fmt.Sprint(v...)))
+}
+
+func (l *DefaultLogger) Warningf(format string, v ...interface{}) {
+	l.Output(calldepth, header("WARN", fmt.Sprintf(format, v...)))
+}
+
+func (l *DefaultLogger) Fatal(v ...interface{}) {
+	l.Output(calldepth, header("FATAL", fmt.Sprint(v...)))
+	os.Exit(1)
+}
+
+func (l *DefaultLogger) Fatalf(format string, v ...interface{}) {
+	l.Output(calldepth, header("FATAL", fmt.Sprintf(format, v...)))
+	os.Exit(1)
+}
+
+func (l *DefaultLogger) Panic(v ...interface{}) {
+	l.Logger.Panic(v...)
+}
+
+func (l *DefaultLogger) Panicf(format string, v ...interface{}) {
+	l.Logger.Panicf(format, v...)
+}
+
+func header(lvl, msg string) string {
+	return fmt.Sprintf("%s: %s", lvl, msg)
+}
diff --git a/vendor/go.etcd.io/etcd/raft/node.go b/vendor/go.etcd.io/etcd/raft/node.go
new file mode 100644
index 0000000..749db98
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/raft/node.go
@@ -0,0 +1,611 @@
+// Copyright 2015 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package raft
+
+import (
+	"context"
+	"errors"
+
+	pb "go.etcd.io/etcd/raft/raftpb"
+)
+
+type SnapshotStatus int
+
+const (
+	SnapshotFinish  SnapshotStatus = 1
+	SnapshotFailure SnapshotStatus = 2
+)
+
+var (
+	emptyState = pb.HardState{}
+
+	// ErrStopped is returned by methods on Nodes that have been stopped.
+	ErrStopped = errors.New("raft: stopped")
+)
+
+// SoftState provides state that is useful for logging and debugging.
+// The state is volatile and does not need to be persisted to the WAL.
+type SoftState struct {
+	Lead      uint64 // must use atomic operations to access; keep 64-bit aligned.
+	RaftState StateType
+}
+
+func (a *SoftState) equal(b *SoftState) bool {
+	return a.Lead == b.Lead && a.RaftState == b.RaftState
+}
+
+// Ready encapsulates the entries and messages that are ready to read,
+// be saved to stable storage, committed or sent to other peers.
+// All fields in Ready are read-only.
+type Ready struct {
+	// The current volatile state of a Node.
+	// SoftState will be nil if there is no update.
+	// It is not required to consume or store SoftState.
+	*SoftState
+
+	// The current state of a Node to be saved to stable storage BEFORE
+	// Messages are sent.
+	// HardState will be equal to empty state if there is no update.
+	pb.HardState
+
+	// ReadStates can be used for node to serve linearizable read requests locally
+	// when its applied index is greater than the index in ReadState.
+	// Note that the readState will be returned when raft receives msgReadIndex.
+	// The returned is only valid for the request that requested to read.
+	ReadStates []ReadState
+
+	// Entries specifies entries to be saved to stable storage BEFORE
+	// Messages are sent.
+	Entries []pb.Entry
+
+	// Snapshot specifies the snapshot to be saved to stable storage.
+	Snapshot pb.Snapshot
+
+	// CommittedEntries specifies entries to be committed to a
+	// store/state-machine. These have previously been committed to stable
+	// store.
+	CommittedEntries []pb.Entry
+
+	// Messages specifies outbound messages to be sent AFTER Entries are
+	// committed to stable storage.
+	// If it contains a MsgSnap message, the application MUST report back to raft
+	// when the snapshot has been received or has failed by calling ReportSnapshot.
+	Messages []pb.Message
+
+	// MustSync indicates whether the HardState and Entries must be synchronously
+	// written to disk or if an asynchronous write is permissible.
+	MustSync bool
+}
+
+func isHardStateEqual(a, b pb.HardState) bool {
+	return a.Term == b.Term && a.Vote == b.Vote && a.Commit == b.Commit
+}
+
+// IsEmptyHardState returns true if the given HardState is empty.
+func IsEmptyHardState(st pb.HardState) bool {
+	return isHardStateEqual(st, emptyState)
+}
+
+// IsEmptySnap returns true if the given Snapshot is empty.
+func IsEmptySnap(sp pb.Snapshot) bool {
+	return sp.Metadata.Index == 0
+}
+
+func (rd Ready) containsUpdates() bool {
+	return rd.SoftState != nil || !IsEmptyHardState(rd.HardState) ||
+		!IsEmptySnap(rd.Snapshot) || len(rd.Entries) > 0 ||
+		len(rd.CommittedEntries) > 0 || len(rd.Messages) > 0 || len(rd.ReadStates) != 0
+}
+
+// appliedCursor extracts from the Ready the highest index the client has
+// applied (once the Ready is confirmed via Advance). If no information is
+// contained in the Ready, returns zero.
+func (rd Ready) appliedCursor() uint64 {
+	if n := len(rd.CommittedEntries); n > 0 {
+		return rd.CommittedEntries[n-1].Index
+	}
+	if index := rd.Snapshot.Metadata.Index; index > 0 {
+		return index
+	}
+	return 0
+}
+
+// Node represents a node in a raft cluster.
+type Node interface {
+	// Tick increments the internal logical clock for the Node by a single tick. Election
+	// timeouts and heartbeat timeouts are in units of ticks.
+	Tick()
+	// Campaign causes the Node to transition to candidate state and start campaigning to become leader.
+	Campaign(ctx context.Context) error
+	// Propose proposes that data be appended to the log. Note that proposals can be lost without
+	// notice, therefore it is user's job to ensure proposal retries.
+	Propose(ctx context.Context, data []byte) error
+	// ProposeConfChange proposes config change.
+	// At most one ConfChange can be in the process of going through consensus.
+	// Application needs to call ApplyConfChange when applying EntryConfChange type entry.
+	ProposeConfChange(ctx context.Context, cc pb.ConfChange) error
+	// Step advances the state machine using the given message. ctx.Err() will be returned, if any.
+	Step(ctx context.Context, msg pb.Message) error
+
+	// Ready returns a channel that returns the current point-in-time state.
+	// Users of the Node must call Advance after retrieving the state returned by Ready.
+	//
+	// NOTE: No committed entries from the next Ready may be applied until all committed entries
+	// and snapshots from the previous one have finished.
+	Ready() <-chan Ready
+
+	// Advance notifies the Node that the application has saved progress up to the last Ready.
+	// It prepares the node to return the next available Ready.
+	//
+	// The application should generally call Advance after it applies the entries in last Ready.
+	//
+	// However, as an optimization, the application may call Advance while it is applying the
+	// commands. For example. when the last Ready contains a snapshot, the application might take
+	// a long time to apply the snapshot data. To continue receiving Ready without blocking raft
+	// progress, it can call Advance before finishing applying the last ready.
+	Advance()
+	// ApplyConfChange applies config change to the local node.
+	// Returns an opaque ConfState protobuf which must be recorded
+	// in snapshots. Will never return nil; it returns a pointer only
+	// to match MemoryStorage.Compact.
+	ApplyConfChange(cc pb.ConfChange) *pb.ConfState
+
+	// TransferLeadership attempts to transfer leadership to the given transferee.
+	TransferLeadership(ctx context.Context, lead, transferee uint64)
+
+	// ReadIndex request a read state. The read state will be set in the ready.
+	// Read state has a read index. Once the application advances further than the read
+	// index, any linearizable read requests issued before the read request can be
+	// processed safely. The read state will have the same rctx attached.
+	ReadIndex(ctx context.Context, rctx []byte) error
+
+	// Status returns the current status of the raft state machine.
+	Status() Status
+	// ReportUnreachable reports the given node is not reachable for the last send.
+	ReportUnreachable(id uint64)
+	// ReportSnapshot reports the status of the sent snapshot. The id is the raft ID of the follower
+	// who is meant to receive the snapshot, and the status is SnapshotFinish or SnapshotFailure.
+	// Calling ReportSnapshot with SnapshotFinish is a no-op. But, any failure in applying a
+	// snapshot (for e.g., while streaming it from leader to follower), should be reported to the
+	// leader with SnapshotFailure. When leader sends a snapshot to a follower, it pauses any raft
+	// log probes until the follower can apply the snapshot and advance its state. If the follower
+	// can't do that, for e.g., due to a crash, it could end up in a limbo, never getting any
+	// updates from the leader. Therefore, it is crucial that the application ensures that any
+	// failure in snapshot sending is caught and reported back to the leader; so it can resume raft
+	// log probing in the follower.
+	ReportSnapshot(id uint64, status SnapshotStatus)
+	// Stop performs any necessary termination of the Node.
+	Stop()
+}
+
+type Peer struct {
+	ID      uint64
+	Context []byte
+}
+
+// StartNode returns a new Node given configuration and a list of raft peers.
+// It appends a ConfChangeAddNode entry for each given peer to the initial log.
+func StartNode(c *Config, peers []Peer) Node {
+	r := newRaft(c)
+	// become the follower at term 1 and apply initial configuration
+	// entries of term 1
+	r.becomeFollower(1, None)
+	for _, peer := range peers {
+		cc := pb.ConfChange{Type: pb.ConfChangeAddNode, NodeID: peer.ID, Context: peer.Context}
+		d, err := cc.Marshal()
+		if err != nil {
+			panic("unexpected marshal error")
+		}
+		e := pb.Entry{Type: pb.EntryConfChange, Term: 1, Index: r.raftLog.lastIndex() + 1, Data: d}
+		r.raftLog.append(e)
+	}
+	// Mark these initial entries as committed.
+	// TODO(bdarnell): These entries are still unstable; do we need to preserve
+	// the invariant that committed < unstable?
+	r.raftLog.committed = r.raftLog.lastIndex()
+	// Now apply them, mainly so that the application can call Campaign
+	// immediately after StartNode in tests. Note that these nodes will
+	// be added to raft twice: here and when the application's Ready
+	// loop calls ApplyConfChange. The calls to addNode must come after
+	// all calls to raftLog.append so progress.next is set after these
+	// bootstrapping entries (it is an error if we try to append these
+	// entries since they have already been committed).
+	// We do not set raftLog.applied so the application will be able
+	// to observe all conf changes via Ready.CommittedEntries.
+	for _, peer := range peers {
+		r.addNode(peer.ID)
+	}
+
+	n := newNode()
+	n.logger = c.Logger
+	go n.run(r)
+	return &n
+}
+
+// RestartNode is similar to StartNode but does not take a list of peers.
+// The current membership of the cluster will be restored from the Storage.
+// If the caller has an existing state machine, pass in the last log index that
+// has been applied to it; otherwise use zero.
+func RestartNode(c *Config) Node {
+	r := newRaft(c)
+
+	n := newNode()
+	n.logger = c.Logger
+	go n.run(r)
+	return &n
+}
+
+type msgWithResult struct {
+	m      pb.Message
+	result chan error
+}
+
+// node is the canonical implementation of the Node interface
+type node struct {
+	propc      chan msgWithResult
+	recvc      chan pb.Message
+	confc      chan pb.ConfChange
+	confstatec chan pb.ConfState
+	readyc     chan Ready
+	advancec   chan struct{}
+	tickc      chan struct{}
+	done       chan struct{}
+	stop       chan struct{}
+	status     chan chan Status
+
+	logger Logger
+}
+
+func newNode() node {
+	return node{
+		propc:      make(chan msgWithResult),
+		recvc:      make(chan pb.Message),
+		confc:      make(chan pb.ConfChange),
+		confstatec: make(chan pb.ConfState),
+		readyc:     make(chan Ready),
+		advancec:   make(chan struct{}),
+		// make tickc a buffered chan, so raft node can buffer some ticks when the node
+		// is busy processing raft messages. Raft node will resume process buffered
+		// ticks when it becomes idle.
+		tickc:  make(chan struct{}, 128),
+		done:   make(chan struct{}),
+		stop:   make(chan struct{}),
+		status: make(chan chan Status),
+	}
+}
+
+func (n *node) Stop() {
+	select {
+	case n.stop <- struct{}{}:
+		// Not already stopped, so trigger it
+	case <-n.done:
+		// Node has already been stopped - no need to do anything
+		return
+	}
+	// Block until the stop has been acknowledged by run()
+	<-n.done
+}
+
+func (n *node) run(r *raft) {
+	var propc chan msgWithResult
+	var readyc chan Ready
+	var advancec chan struct{}
+	var prevLastUnstablei, prevLastUnstablet uint64
+	var havePrevLastUnstablei bool
+	var prevSnapi uint64
+	var applyingToI uint64
+	var rd Ready
+
+	lead := None
+	prevSoftSt := r.softState()
+	prevHardSt := emptyState
+
+	for {
+		if advancec != nil {
+			readyc = nil
+		} else {
+			rd = newReady(r, prevSoftSt, prevHardSt)
+			if rd.containsUpdates() {
+				readyc = n.readyc
+			} else {
+				readyc = nil
+			}
+		}
+
+		if lead != r.lead {
+			if r.hasLeader() {
+				if lead == None {
+					r.logger.Infof("raft.node: %x elected leader %x at term %d", r.id, r.lead, r.Term)
+				} else {
+					r.logger.Infof("raft.node: %x changed leader from %x to %x at term %d", r.id, lead, r.lead, r.Term)
+				}
+				propc = n.propc
+			} else {
+				r.logger.Infof("raft.node: %x lost leader %x at term %d", r.id, lead, r.Term)
+				propc = nil
+			}
+			lead = r.lead
+		}
+
+		select {
+		// TODO: maybe buffer the config propose if there exists one (the way
+		// described in raft dissertation)
+		// Currently it is dropped in Step silently.
+		case pm := <-propc:
+			m := pm.m
+			m.From = r.id
+			err := r.Step(m)
+			if pm.result != nil {
+				pm.result <- err
+				close(pm.result)
+			}
+		case m := <-n.recvc:
+			// filter out response message from unknown From.
+			if pr := r.getProgress(m.From); pr != nil || !IsResponseMsg(m.Type) {
+				r.Step(m)
+			}
+		case cc := <-n.confc:
+			if cc.NodeID == None {
+				select {
+				case n.confstatec <- pb.ConfState{
+					Nodes:    r.nodes(),
+					Learners: r.learnerNodes()}:
+				case <-n.done:
+				}
+				break
+			}
+			switch cc.Type {
+			case pb.ConfChangeAddNode:
+				r.addNode(cc.NodeID)
+			case pb.ConfChangeAddLearnerNode:
+				r.addLearner(cc.NodeID)
+			case pb.ConfChangeRemoveNode:
+				// block incoming proposal when local node is
+				// removed
+				if cc.NodeID == r.id {
+					propc = nil
+				}
+				r.removeNode(cc.NodeID)
+			case pb.ConfChangeUpdateNode:
+			default:
+				panic("unexpected conf type")
+			}
+			select {
+			case n.confstatec <- pb.ConfState{
+				Nodes:    r.nodes(),
+				Learners: r.learnerNodes()}:
+			case <-n.done:
+			}
+		case <-n.tickc:
+			r.tick()
+		case readyc <- rd:
+			if rd.SoftState != nil {
+				prevSoftSt = rd.SoftState
+			}
+			if len(rd.Entries) > 0 {
+				prevLastUnstablei = rd.Entries[len(rd.Entries)-1].Index
+				prevLastUnstablet = rd.Entries[len(rd.Entries)-1].Term
+				havePrevLastUnstablei = true
+			}
+			if !IsEmptyHardState(rd.HardState) {
+				prevHardSt = rd.HardState
+			}
+			if !IsEmptySnap(rd.Snapshot) {
+				prevSnapi = rd.Snapshot.Metadata.Index
+			}
+			if index := rd.appliedCursor(); index != 0 {
+				applyingToI = index
+			}
+
+			r.msgs = nil
+			r.readStates = nil
+			r.reduceUncommittedSize(rd.CommittedEntries)
+			advancec = n.advancec
+		case <-advancec:
+			if applyingToI != 0 {
+				r.raftLog.appliedTo(applyingToI)
+				applyingToI = 0
+			}
+			if havePrevLastUnstablei {
+				r.raftLog.stableTo(prevLastUnstablei, prevLastUnstablet)
+				havePrevLastUnstablei = false
+			}
+			r.raftLog.stableSnapTo(prevSnapi)
+			advancec = nil
+		case c := <-n.status:
+			c <- getStatus(r)
+		case <-n.stop:
+			close(n.done)
+			return
+		}
+	}
+}
+
+// Tick increments the internal logical clock for this Node. Election timeouts
+// and heartbeat timeouts are in units of ticks.
+func (n *node) Tick() {
+	select {
+	case n.tickc <- struct{}{}:
+	case <-n.done:
+	default:
+		n.logger.Warningf("A tick missed to fire. Node blocks too long!")
+	}
+}
+
+func (n *node) Campaign(ctx context.Context) error { return n.step(ctx, pb.Message{Type: pb.MsgHup}) }
+
+func (n *node) Propose(ctx context.Context, data []byte) error {
+	return n.stepWait(ctx, pb.Message{Type: pb.MsgProp, Entries: []pb.Entry{{Data: data}}})
+}
+
+func (n *node) Step(ctx context.Context, m pb.Message) error {
+	// ignore unexpected local messages receiving over network
+	if IsLocalMsg(m.Type) {
+		// TODO: return an error?
+		return nil
+	}
+	return n.step(ctx, m)
+}
+
+func (n *node) ProposeConfChange(ctx context.Context, cc pb.ConfChange) error {
+	data, err := cc.Marshal()
+	if err != nil {
+		return err
+	}
+	return n.Step(ctx, pb.Message{Type: pb.MsgProp, Entries: []pb.Entry{{Type: pb.EntryConfChange, Data: data}}})
+}
+
+func (n *node) step(ctx context.Context, m pb.Message) error {
+	return n.stepWithWaitOption(ctx, m, false)
+}
+
+func (n *node) stepWait(ctx context.Context, m pb.Message) error {
+	return n.stepWithWaitOption(ctx, m, true)
+}
+
+// Step advances the state machine using msgs. The ctx.Err() will be returned,
+// if any.
+func (n *node) stepWithWaitOption(ctx context.Context, m pb.Message, wait bool) error {
+	if m.Type != pb.MsgProp {
+		select {
+		case n.recvc <- m:
+			return nil
+		case <-ctx.Done():
+			return ctx.Err()
+		case <-n.done:
+			return ErrStopped
+		}
+	}
+	ch := n.propc
+	pm := msgWithResult{m: m}
+	if wait {
+		pm.result = make(chan error, 1)
+	}
+	select {
+	case ch <- pm:
+		if !wait {
+			return nil
+		}
+	case <-ctx.Done():
+		return ctx.Err()
+	case <-n.done:
+		return ErrStopped
+	}
+	select {
+	case rsp := <-pm.result:
+		if rsp != nil {
+			return rsp
+		}
+	case <-ctx.Done():
+		return ctx.Err()
+	case <-n.done:
+		return ErrStopped
+	}
+	return nil
+}
+
+func (n *node) Ready() <-chan Ready { return n.readyc }
+
+func (n *node) Advance() {
+	select {
+	case n.advancec <- struct{}{}:
+	case <-n.done:
+	}
+}
+
+func (n *node) ApplyConfChange(cc pb.ConfChange) *pb.ConfState {
+	var cs pb.ConfState
+	select {
+	case n.confc <- cc:
+	case <-n.done:
+	}
+	select {
+	case cs = <-n.confstatec:
+	case <-n.done:
+	}
+	return &cs
+}
+
+func (n *node) Status() Status {
+	c := make(chan Status)
+	select {
+	case n.status <- c:
+		return <-c
+	case <-n.done:
+		return Status{}
+	}
+}
+
+func (n *node) ReportUnreachable(id uint64) {
+	select {
+	case n.recvc <- pb.Message{Type: pb.MsgUnreachable, From: id}:
+	case <-n.done:
+	}
+}
+
+func (n *node) ReportSnapshot(id uint64, status SnapshotStatus) {
+	rej := status == SnapshotFailure
+
+	select {
+	case n.recvc <- pb.Message{Type: pb.MsgSnapStatus, From: id, Reject: rej}:
+	case <-n.done:
+	}
+}
+
+func (n *node) TransferLeadership(ctx context.Context, lead, transferee uint64) {
+	select {
+	// manually set 'from' and 'to', so that leader can voluntarily transfers its leadership
+	case n.recvc <- pb.Message{Type: pb.MsgTransferLeader, From: transferee, To: lead}:
+	case <-n.done:
+	case <-ctx.Done():
+	}
+}
+
+func (n *node) ReadIndex(ctx context.Context, rctx []byte) error {
+	return n.step(ctx, pb.Message{Type: pb.MsgReadIndex, Entries: []pb.Entry{{Data: rctx}}})
+}
+
+func newReady(r *raft, prevSoftSt *SoftState, prevHardSt pb.HardState) Ready {
+	rd := Ready{
+		Entries:          r.raftLog.unstableEntries(),
+		CommittedEntries: r.raftLog.nextEnts(),
+		Messages:         r.msgs,
+	}
+	if softSt := r.softState(); !softSt.equal(prevSoftSt) {
+		rd.SoftState = softSt
+	}
+	if hardSt := r.hardState(); !isHardStateEqual(hardSt, prevHardSt) {
+		rd.HardState = hardSt
+	}
+	if r.raftLog.unstable.snapshot != nil {
+		rd.Snapshot = *r.raftLog.unstable.snapshot
+	}
+	if len(r.readStates) != 0 {
+		rd.ReadStates = r.readStates
+	}
+	rd.MustSync = MustSync(r.hardState(), prevHardSt, len(rd.Entries))
+	return rd
+}
+
+// MustSync returns true if the hard state and count of Raft entries indicate
+// that a synchronous write to persistent storage is required.
+func MustSync(st, prevst pb.HardState, entsnum int) bool {
+	// Persistent state on all servers:
+	// (Updated on stable storage before responding to RPCs)
+	// currentTerm
+	// votedFor
+	// log entries[]
+	return entsnum != 0 || st.Vote != prevst.Vote || st.Term != prevst.Term
+}
diff --git a/vendor/go.etcd.io/etcd/raft/progress.go b/vendor/go.etcd.io/etcd/raft/progress.go
new file mode 100644
index 0000000..ef3787d
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/raft/progress.go
@@ -0,0 +1,284 @@
+// Copyright 2015 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package raft
+
+import "fmt"
+
+const (
+	ProgressStateProbe ProgressStateType = iota
+	ProgressStateReplicate
+	ProgressStateSnapshot
+)
+
+type ProgressStateType uint64
+
+var prstmap = [...]string{
+	"ProgressStateProbe",
+	"ProgressStateReplicate",
+	"ProgressStateSnapshot",
+}
+
+func (st ProgressStateType) String() string { return prstmap[uint64(st)] }
+
+// Progress represents a follower’s progress in the view of the leader. Leader maintains
+// progresses of all followers, and sends entries to the follower based on its progress.
+type Progress struct {
+	Match, Next uint64
+	// State defines how the leader should interact with the follower.
+	//
+	// When in ProgressStateProbe, leader sends at most one replication message
+	// per heartbeat interval. It also probes actual progress of the follower.
+	//
+	// When in ProgressStateReplicate, leader optimistically increases next
+	// to the latest entry sent after sending replication message. This is
+	// an optimized state for fast replicating log entries to the follower.
+	//
+	// When in ProgressStateSnapshot, leader should have sent out snapshot
+	// before and stops sending any replication message.
+	State ProgressStateType
+
+	// Paused is used in ProgressStateProbe.
+	// When Paused is true, raft should pause sending replication message to this peer.
+	Paused bool
+	// PendingSnapshot is used in ProgressStateSnapshot.
+	// If there is a pending snapshot, the pendingSnapshot will be set to the
+	// index of the snapshot. If pendingSnapshot is set, the replication process of
+	// this Progress will be paused. raft will not resend snapshot until the pending one
+	// is reported to be failed.
+	PendingSnapshot uint64
+
+	// RecentActive is true if the progress is recently active. Receiving any messages
+	// from the corresponding follower indicates the progress is active.
+	// RecentActive can be reset to false after an election timeout.
+	RecentActive bool
+
+	// inflights is a sliding window for the inflight messages.
+	// Each inflight message contains one or more log entries.
+	// The max number of entries per message is defined in raft config as MaxSizePerMsg.
+	// Thus inflight effectively limits both the number of inflight messages
+	// and the bandwidth each Progress can use.
+	// When inflights is full, no more message should be sent.
+	// When a leader sends out a message, the index of the last
+	// entry should be added to inflights. The index MUST be added
+	// into inflights in order.
+	// When a leader receives a reply, the previous inflights should
+	// be freed by calling inflights.freeTo with the index of the last
+	// received entry.
+	ins *inflights
+
+	// IsLearner is true if this progress is tracked for a learner.
+	IsLearner bool
+}
+
+func (pr *Progress) resetState(state ProgressStateType) {
+	pr.Paused = false
+	pr.PendingSnapshot = 0
+	pr.State = state
+	pr.ins.reset()
+}
+
+func (pr *Progress) becomeProbe() {
+	// If the original state is ProgressStateSnapshot, progress knows that
+	// the pending snapshot has been sent to this peer successfully, then
+	// probes from pendingSnapshot + 1.
+	if pr.State == ProgressStateSnapshot {
+		pendingSnapshot := pr.PendingSnapshot
+		pr.resetState(ProgressStateProbe)
+		pr.Next = max(pr.Match+1, pendingSnapshot+1)
+	} else {
+		pr.resetState(ProgressStateProbe)
+		pr.Next = pr.Match + 1
+	}
+}
+
+func (pr *Progress) becomeReplicate() {
+	pr.resetState(ProgressStateReplicate)
+	pr.Next = pr.Match + 1
+}
+
+func (pr *Progress) becomeSnapshot(snapshoti uint64) {
+	pr.resetState(ProgressStateSnapshot)
+	pr.PendingSnapshot = snapshoti
+}
+
+// maybeUpdate returns false if the given n index comes from an outdated message.
+// Otherwise it updates the progress and returns true.
+func (pr *Progress) maybeUpdate(n uint64) bool {
+	var updated bool
+	if pr.Match < n {
+		pr.Match = n
+		updated = true
+		pr.resume()
+	}
+	if pr.Next < n+1 {
+		pr.Next = n + 1
+	}
+	return updated
+}
+
+func (pr *Progress) optimisticUpdate(n uint64) { pr.Next = n + 1 }
+
+// maybeDecrTo returns false if the given to index comes from an out of order message.
+// Otherwise it decreases the progress next index to min(rejected, last) and returns true.
+func (pr *Progress) maybeDecrTo(rejected, last uint64) bool {
+	if pr.State == ProgressStateReplicate {
+		// the rejection must be stale if the progress has matched and "rejected"
+		// is smaller than "match".
+		if rejected <= pr.Match {
+			return false
+		}
+		// directly decrease next to match + 1
+		pr.Next = pr.Match + 1
+		return true
+	}
+
+	// the rejection must be stale if "rejected" does not match next - 1
+	if pr.Next-1 != rejected {
+		return false
+	}
+
+	if pr.Next = min(rejected, last+1); pr.Next < 1 {
+		pr.Next = 1
+	}
+	pr.resume()
+	return true
+}
+
+func (pr *Progress) pause()  { pr.Paused = true }
+func (pr *Progress) resume() { pr.Paused = false }
+
+// IsPaused returns whether sending log entries to this node has been
+// paused. A node may be paused because it has rejected recent
+// MsgApps, is currently waiting for a snapshot, or has reached the
+// MaxInflightMsgs limit.
+func (pr *Progress) IsPaused() bool {
+	switch pr.State {
+	case ProgressStateProbe:
+		return pr.Paused
+	case ProgressStateReplicate:
+		return pr.ins.full()
+	case ProgressStateSnapshot:
+		return true
+	default:
+		panic("unexpected state")
+	}
+}
+
+func (pr *Progress) snapshotFailure() { pr.PendingSnapshot = 0 }
+
+// needSnapshotAbort returns true if snapshot progress's Match
+// is equal or higher than the pendingSnapshot.
+func (pr *Progress) needSnapshotAbort() bool {
+	return pr.State == ProgressStateSnapshot && pr.Match >= pr.PendingSnapshot
+}
+
+func (pr *Progress) String() string {
+	return fmt.Sprintf("next = %d, match = %d, state = %s, waiting = %v, pendingSnapshot = %d", pr.Next, pr.Match, pr.State, pr.IsPaused(), pr.PendingSnapshot)
+}
+
+type inflights struct {
+	// the starting index in the buffer
+	start int
+	// number of inflights in the buffer
+	count int
+
+	// the size of the buffer
+	size int
+
+	// buffer contains the index of the last entry
+	// inside one message.
+	buffer []uint64
+}
+
+func newInflights(size int) *inflights {
+	return &inflights{
+		size: size,
+	}
+}
+
+// add adds an inflight into inflights
+func (in *inflights) add(inflight uint64) {
+	if in.full() {
+		panic("cannot add into a full inflights")
+	}
+	next := in.start + in.count
+	size := in.size
+	if next >= size {
+		next -= size
+	}
+	if next >= len(in.buffer) {
+		in.growBuf()
+	}
+	in.buffer[next] = inflight
+	in.count++
+}
+
+// grow the inflight buffer by doubling up to inflights.size. We grow on demand
+// instead of preallocating to inflights.size to handle systems which have
+// thousands of Raft groups per process.
+func (in *inflights) growBuf() {
+	newSize := len(in.buffer) * 2
+	if newSize == 0 {
+		newSize = 1
+	} else if newSize > in.size {
+		newSize = in.size
+	}
+	newBuffer := make([]uint64, newSize)
+	copy(newBuffer, in.buffer)
+	in.buffer = newBuffer
+}
+
+// freeTo frees the inflights smaller or equal to the given `to` flight.
+func (in *inflights) freeTo(to uint64) {
+	if in.count == 0 || to < in.buffer[in.start] {
+		// out of the left side of the window
+		return
+	}
+
+	idx := in.start
+	var i int
+	for i = 0; i < in.count; i++ {
+		if to < in.buffer[idx] { // found the first large inflight
+			break
+		}
+
+		// increase index and maybe rotate
+		size := in.size
+		if idx++; idx >= size {
+			idx -= size
+		}
+	}
+	// free i inflights and set new start index
+	in.count -= i
+	in.start = idx
+	if in.count == 0 {
+		// inflights is empty, reset the start index so that we don't grow the
+		// buffer unnecessarily.
+		in.start = 0
+	}
+}
+
+func (in *inflights) freeFirstOne() { in.freeTo(in.buffer[in.start]) }
+
+// full returns true if the inflights is full.
+func (in *inflights) full() bool {
+	return in.count == in.size
+}
+
+// resets frees all inflights.
+func (in *inflights) reset() {
+	in.count = 0
+	in.start = 0
+}
diff --git a/vendor/go.etcd.io/etcd/raft/raft.go b/vendor/go.etcd.io/etcd/raft/raft.go
new file mode 100644
index 0000000..e1e6a16
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/raft/raft.go
@@ -0,0 +1,1575 @@
+// Copyright 2015 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package raft
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"math"
+	"math/rand"
+	"sort"
+	"strings"
+	"sync"
+	"time"
+
+	pb "go.etcd.io/etcd/raft/raftpb"
+)
+
+// None is a placeholder node ID used when there is no leader.
+const None uint64 = 0
+const noLimit = math.MaxUint64
+
+// Possible values for StateType.
+const (
+	StateFollower StateType = iota
+	StateCandidate
+	StateLeader
+	StatePreCandidate
+	numStates
+)
+
+type ReadOnlyOption int
+
+const (
+	// ReadOnlySafe guarantees the linearizability of the read only request by
+	// communicating with the quorum. It is the default and suggested option.
+	ReadOnlySafe ReadOnlyOption = iota
+	// ReadOnlyLeaseBased ensures linearizability of the read only request by
+	// relying on the leader lease. It can be affected by clock drift.
+	// If the clock drift is unbounded, leader might keep the lease longer than it
+	// should (clock can move backward/pause without any bound). ReadIndex is not safe
+	// in that case.
+	ReadOnlyLeaseBased
+)
+
+// Possible values for CampaignType
+const (
+	// campaignPreElection represents the first phase of a normal election when
+	// Config.PreVote is true.
+	campaignPreElection CampaignType = "CampaignPreElection"
+	// campaignElection represents a normal (time-based) election (the second phase
+	// of the election when Config.PreVote is true).
+	campaignElection CampaignType = "CampaignElection"
+	// campaignTransfer represents the type of leader transfer
+	campaignTransfer CampaignType = "CampaignTransfer"
+)
+
+// ErrProposalDropped is returned when the proposal is ignored by some cases,
+// so that the proposer can be notified and fail fast.
+var ErrProposalDropped = errors.New("raft proposal dropped")
+
+// lockedRand is a small wrapper around rand.Rand to provide
+// synchronization among multiple raft groups. Only the methods needed
+// by the code are exposed (e.g. Intn).
+type lockedRand struct {
+	mu   sync.Mutex
+	rand *rand.Rand
+}
+
+func (r *lockedRand) Intn(n int) int {
+	r.mu.Lock()
+	v := r.rand.Intn(n)
+	r.mu.Unlock()
+	return v
+}
+
+var globalRand = &lockedRand{
+	rand: rand.New(rand.NewSource(time.Now().UnixNano())),
+}
+
+// CampaignType represents the type of campaigning
+// the reason we use the type of string instead of uint64
+// is because it's simpler to compare and fill in raft entries
+type CampaignType string
+
+// StateType represents the role of a node in a cluster.
+type StateType uint64
+
+var stmap = [...]string{
+	"StateFollower",
+	"StateCandidate",
+	"StateLeader",
+	"StatePreCandidate",
+}
+
+func (st StateType) String() string {
+	return stmap[uint64(st)]
+}
+
+// Config contains the parameters to start a raft.
+type Config struct {
+	// ID is the identity of the local raft. ID cannot be 0.
+	ID uint64
+
+	// peers contains the IDs of all nodes (including self) in the raft cluster. It
+	// should only be set when starting a new raft cluster. Restarting raft from
+	// previous configuration will panic if peers is set. peer is private and only
+	// used for testing right now.
+	peers []uint64
+
+	// learners contains the IDs of all learner nodes (including self if the
+	// local node is a learner) in the raft cluster. learners only receives
+	// entries from the leader node. It does not vote or promote itself.
+	learners []uint64
+
+	// ElectionTick is the number of Node.Tick invocations that must pass between
+	// elections. That is, if a follower does not receive any message from the
+	// leader of current term before ElectionTick has elapsed, it will become
+	// candidate and start an election. ElectionTick must be greater than
+	// HeartbeatTick. We suggest ElectionTick = 10 * HeartbeatTick to avoid
+	// unnecessary leader switching.
+	ElectionTick int
+	// HeartbeatTick is the number of Node.Tick invocations that must pass between
+	// heartbeats. That is, a leader sends heartbeat messages to maintain its
+	// leadership every HeartbeatTick ticks.
+	HeartbeatTick int
+
+	// Storage is the storage for raft. raft generates entries and states to be
+	// stored in storage. raft reads the persisted entries and states out of
+	// Storage when it needs. raft reads out the previous state and configuration
+	// out of storage when restarting.
+	Storage Storage
+	// Applied is the last applied index. It should only be set when restarting
+	// raft. raft will not return entries to the application smaller or equal to
+	// Applied. If Applied is unset when restarting, raft might return previous
+	// applied entries. This is a very application dependent configuration.
+	Applied uint64
+
+	// MaxSizePerMsg limits the max byte size of each append message. Smaller
+	// value lowers the raft recovery cost(initial probing and message lost
+	// during normal operation). On the other side, it might affect the
+	// throughput during normal replication. Note: math.MaxUint64 for unlimited,
+	// 0 for at most one entry per message.
+	MaxSizePerMsg uint64
+	// MaxCommittedSizePerReady limits the size of the committed entries which
+	// can be applied.
+	MaxCommittedSizePerReady uint64
+	// MaxUncommittedEntriesSize limits the aggregate byte size of the
+	// uncommitted entries that may be appended to a leader's log. Once this
+	// limit is exceeded, proposals will begin to return ErrProposalDropped
+	// errors. Note: 0 for no limit.
+	MaxUncommittedEntriesSize uint64
+	// MaxInflightMsgs limits the max number of in-flight append messages during
+	// optimistic replication phase. The application transportation layer usually
+	// has its own sending buffer over TCP/UDP. Setting MaxInflightMsgs to avoid
+	// overflowing that sending buffer. TODO (xiangli): feedback to application to
+	// limit the proposal rate?
+	MaxInflightMsgs int
+
+	// CheckQuorum specifies if the leader should check quorum activity. Leader
+	// steps down when quorum is not active for an electionTimeout.
+	CheckQuorum bool
+
+	// PreVote enables the Pre-Vote algorithm described in raft thesis section
+	// 9.6. This prevents disruption when a node that has been partitioned away
+	// rejoins the cluster.
+	PreVote bool
+
+	// ReadOnlyOption specifies how the read only request is processed.
+	//
+	// ReadOnlySafe guarantees the linearizability of the read only request by
+	// communicating with the quorum. It is the default and suggested option.
+	//
+	// ReadOnlyLeaseBased ensures linearizability of the read only request by
+	// relying on the leader lease. It can be affected by clock drift.
+	// If the clock drift is unbounded, leader might keep the lease longer than it
+	// should (clock can move backward/pause without any bound). ReadIndex is not safe
+	// in that case.
+	// CheckQuorum MUST be enabled if ReadOnlyOption is ReadOnlyLeaseBased.
+	ReadOnlyOption ReadOnlyOption
+
+	// Logger is the logger used for raft log. For multinode which can host
+	// multiple raft group, each raft group can have its own logger
+	Logger Logger
+
+	// DisableProposalForwarding set to true means that followers will drop
+	// proposals, rather than forwarding them to the leader. One use case for
+	// this feature would be in a situation where the Raft leader is used to
+	// compute the data of a proposal, for example, adding a timestamp from a
+	// hybrid logical clock to data in a monotonically increasing way. Forwarding
+	// should be disabled to prevent a follower with an inaccurate hybrid
+	// logical clock from assigning the timestamp and then forwarding the data
+	// to the leader.
+	DisableProposalForwarding bool
+}
+
+func (c *Config) validate() error {
+	if c.ID == None {
+		return errors.New("cannot use none as id")
+	}
+
+	if c.HeartbeatTick <= 0 {
+		return errors.New("heartbeat tick must be greater than 0")
+	}
+
+	if c.ElectionTick <= c.HeartbeatTick {
+		return errors.New("election tick must be greater than heartbeat tick")
+	}
+
+	if c.Storage == nil {
+		return errors.New("storage cannot be nil")
+	}
+
+	if c.MaxUncommittedEntriesSize == 0 {
+		c.MaxUncommittedEntriesSize = noLimit
+	}
+
+	// default MaxCommittedSizePerReady to MaxSizePerMsg because they were
+	// previously the same parameter.
+	if c.MaxCommittedSizePerReady == 0 {
+		c.MaxCommittedSizePerReady = c.MaxSizePerMsg
+	}
+
+	if c.MaxInflightMsgs <= 0 {
+		return errors.New("max inflight messages must be greater than 0")
+	}
+
+	if c.Logger == nil {
+		c.Logger = raftLogger
+	}
+
+	if c.ReadOnlyOption == ReadOnlyLeaseBased && !c.CheckQuorum {
+		return errors.New("CheckQuorum must be enabled when ReadOnlyOption is ReadOnlyLeaseBased")
+	}
+
+	return nil
+}
+
+type raft struct {
+	id uint64
+
+	Term uint64
+	Vote uint64
+
+	readStates []ReadState
+
+	// the log
+	raftLog *raftLog
+
+	maxMsgSize         uint64
+	maxUncommittedSize uint64
+	maxInflight        int
+	prs                map[uint64]*Progress
+	learnerPrs         map[uint64]*Progress
+	matchBuf           uint64Slice
+
+	state StateType
+
+	// isLearner is true if the local raft node is a learner.
+	isLearner bool
+
+	votes map[uint64]bool
+
+	msgs []pb.Message
+
+	// the leader id
+	lead uint64
+	// leadTransferee is id of the leader transfer target when its value is not zero.
+	// Follow the procedure defined in raft thesis 3.10.
+	leadTransferee uint64
+	// Only one conf change may be pending (in the log, but not yet
+	// applied) at a time. This is enforced via pendingConfIndex, which
+	// is set to a value >= the log index of the latest pending
+	// configuration change (if any). Config changes are only allowed to
+	// be proposed if the leader's applied index is greater than this
+	// value.
+	pendingConfIndex uint64
+	// an estimate of the size of the uncommitted tail of the Raft log. Used to
+	// prevent unbounded log growth. Only maintained by the leader. Reset on
+	// term changes.
+	uncommittedSize uint64
+
+	readOnly *readOnly
+
+	// number of ticks since it reached last electionTimeout when it is leader
+	// or candidate.
+	// number of ticks since it reached last electionTimeout or received a
+	// valid message from current leader when it is a follower.
+	electionElapsed int
+
+	// number of ticks since it reached last heartbeatTimeout.
+	// only leader keeps heartbeatElapsed.
+	heartbeatElapsed int
+
+	checkQuorum bool
+	preVote     bool
+
+	heartbeatTimeout int
+	electionTimeout  int
+	// randomizedElectionTimeout is a random number between
+	// [electiontimeout, 2 * electiontimeout - 1]. It gets reset
+	// when raft changes its state to follower or candidate.
+	randomizedElectionTimeout int
+	disableProposalForwarding bool
+
+	tick func()
+	step stepFunc
+
+	logger Logger
+}
+
+func newRaft(c *Config) *raft {
+	if err := c.validate(); err != nil {
+		panic(err.Error())
+	}
+	raftlog := newLogWithSize(c.Storage, c.Logger, c.MaxCommittedSizePerReady)
+	hs, cs, err := c.Storage.InitialState()
+	if err != nil {
+		panic(err) // TODO(bdarnell)
+	}
+	peers := c.peers
+	learners := c.learners
+	if len(cs.Nodes) > 0 || len(cs.Learners) > 0 {
+		if len(peers) > 0 || len(learners) > 0 {
+			// TODO(bdarnell): the peers argument is always nil except in
+			// tests; the argument should be removed and these tests should be
+			// updated to specify their nodes through a snapshot.
+			panic("cannot specify both newRaft(peers, learners) and ConfState.(Nodes, Learners)")
+		}
+		peers = cs.Nodes
+		learners = cs.Learners
+	}
+	r := &raft{
+		id:                        c.ID,
+		lead:                      None,
+		isLearner:                 false,
+		raftLog:                   raftlog,
+		maxMsgSize:                c.MaxSizePerMsg,
+		maxInflight:               c.MaxInflightMsgs,
+		maxUncommittedSize:        c.MaxUncommittedEntriesSize,
+		prs:                       make(map[uint64]*Progress),
+		learnerPrs:                make(map[uint64]*Progress),
+		electionTimeout:           c.ElectionTick,
+		heartbeatTimeout:          c.HeartbeatTick,
+		logger:                    c.Logger,
+		checkQuorum:               c.CheckQuorum,
+		preVote:                   c.PreVote,
+		readOnly:                  newReadOnly(c.ReadOnlyOption),
+		disableProposalForwarding: c.DisableProposalForwarding,
+	}
+	for _, p := range peers {
+		r.prs[p] = &Progress{Next: 1, ins: newInflights(r.maxInflight)}
+	}
+	for _, p := range learners {
+		if _, ok := r.prs[p]; ok {
+			panic(fmt.Sprintf("node %x is in both learner and peer list", p))
+		}
+		r.learnerPrs[p] = &Progress{Next: 1, ins: newInflights(r.maxInflight), IsLearner: true}
+		if r.id == p {
+			r.isLearner = true
+		}
+	}
+
+	if !isHardStateEqual(hs, emptyState) {
+		r.loadState(hs)
+	}
+	if c.Applied > 0 {
+		raftlog.appliedTo(c.Applied)
+	}
+	r.becomeFollower(r.Term, None)
+
+	var nodesStrs []string
+	for _, n := range r.nodes() {
+		nodesStrs = append(nodesStrs, fmt.Sprintf("%x", n))
+	}
+
+	r.logger.Infof("newRaft %x [peers: [%s], term: %d, commit: %d, applied: %d, lastindex: %d, lastterm: %d]",
+		r.id, strings.Join(nodesStrs, ","), r.Term, r.raftLog.committed, r.raftLog.applied, r.raftLog.lastIndex(), r.raftLog.lastTerm())
+	return r
+}
+
+func (r *raft) hasLeader() bool { return r.lead != None }
+
+func (r *raft) softState() *SoftState { return &SoftState{Lead: r.lead, RaftState: r.state} }
+
+func (r *raft) hardState() pb.HardState {
+	return pb.HardState{
+		Term:   r.Term,
+		Vote:   r.Vote,
+		Commit: r.raftLog.committed,
+	}
+}
+
+func (r *raft) quorum() int { return len(r.prs)/2 + 1 }
+
+func (r *raft) nodes() []uint64 {
+	nodes := make([]uint64, 0, len(r.prs))
+	for id := range r.prs {
+		nodes = append(nodes, id)
+	}
+	sort.Sort(uint64Slice(nodes))
+	return nodes
+}
+
+func (r *raft) learnerNodes() []uint64 {
+	nodes := make([]uint64, 0, len(r.learnerPrs))
+	for id := range r.learnerPrs {
+		nodes = append(nodes, id)
+	}
+	sort.Sort(uint64Slice(nodes))
+	return nodes
+}
+
+// send persists state to stable storage and then sends to its mailbox.
+func (r *raft) send(m pb.Message) {
+	m.From = r.id
+	if m.Type == pb.MsgVote || m.Type == pb.MsgVoteResp || m.Type == pb.MsgPreVote || m.Type == pb.MsgPreVoteResp {
+		if m.Term == 0 {
+			// All {pre-,}campaign messages need to have the term set when
+			// sending.
+			// - MsgVote: m.Term is the term the node is campaigning for,
+			//   non-zero as we increment the term when campaigning.
+			// - MsgVoteResp: m.Term is the new r.Term if the MsgVote was
+			//   granted, non-zero for the same reason MsgVote is
+			// - MsgPreVote: m.Term is the term the node will campaign,
+			//   non-zero as we use m.Term to indicate the next term we'll be
+			//   campaigning for
+			// - MsgPreVoteResp: m.Term is the term received in the original
+			//   MsgPreVote if the pre-vote was granted, non-zero for the
+			//   same reasons MsgPreVote is
+			panic(fmt.Sprintf("term should be set when sending %s", m.Type))
+		}
+	} else {
+		if m.Term != 0 {
+			panic(fmt.Sprintf("term should not be set when sending %s (was %d)", m.Type, m.Term))
+		}
+		// do not attach term to MsgProp, MsgReadIndex
+		// proposals are a way to forward to the leader and
+		// should be treated as local message.
+		// MsgReadIndex is also forwarded to leader.
+		if m.Type != pb.MsgProp && m.Type != pb.MsgReadIndex {
+			m.Term = r.Term
+		}
+	}
+	r.msgs = append(r.msgs, m)
+}
+
+func (r *raft) getProgress(id uint64) *Progress {
+	if pr, ok := r.prs[id]; ok {
+		return pr
+	}
+
+	return r.learnerPrs[id]
+}
+
+// sendAppend sends an append RPC with new entries (if any) and the
+// current commit index to the given peer.
+func (r *raft) sendAppend(to uint64) {
+	r.maybeSendAppend(to, true)
+}
+
+// maybeSendAppend sends an append RPC with new entries to the given peer,
+// if necessary. Returns true if a message was sent. The sendIfEmpty
+// argument controls whether messages with no entries will be sent
+// ("empty" messages are useful to convey updated Commit indexes, but
+// are undesirable when we're sending multiple messages in a batch).
+func (r *raft) maybeSendAppend(to uint64, sendIfEmpty bool) bool {
+	pr := r.getProgress(to)
+	if pr.IsPaused() {
+		return false
+	}
+	m := pb.Message{}
+	m.To = to
+
+	term, errt := r.raftLog.term(pr.Next - 1)
+	ents, erre := r.raftLog.entries(pr.Next, r.maxMsgSize)
+	if len(ents) == 0 && !sendIfEmpty {
+		return false
+	}
+
+	if errt != nil || erre != nil { // send snapshot if we failed to get term or entries
+		if !pr.RecentActive {
+			r.logger.Debugf("ignore sending snapshot to %x since it is not recently active", to)
+			return false
+		}
+
+		m.Type = pb.MsgSnap
+		snapshot, err := r.raftLog.snapshot()
+		if err != nil {
+			if err == ErrSnapshotTemporarilyUnavailable {
+				r.logger.Debugf("%x failed to send snapshot to %x because snapshot is temporarily unavailable", r.id, to)
+				return false
+			}
+			panic(err) // TODO(bdarnell)
+		}
+		if IsEmptySnap(snapshot) {
+			panic("need non-empty snapshot")
+		}
+		m.Snapshot = snapshot
+		sindex, sterm := snapshot.Metadata.Index, snapshot.Metadata.Term
+		r.logger.Debugf("%x [firstindex: %d, commit: %d] sent snapshot[index: %d, term: %d] to %x [%s]",
+			r.id, r.raftLog.firstIndex(), r.raftLog.committed, sindex, sterm, to, pr)
+		pr.becomeSnapshot(sindex)
+		r.logger.Debugf("%x paused sending replication messages to %x [%s]", r.id, to, pr)
+	} else {
+		m.Type = pb.MsgApp
+		m.Index = pr.Next - 1
+		m.LogTerm = term
+		m.Entries = ents
+		m.Commit = r.raftLog.committed
+		if n := len(m.Entries); n != 0 {
+			switch pr.State {
+			// optimistically increase the next when in ProgressStateReplicate
+			case ProgressStateReplicate:
+				last := m.Entries[n-1].Index
+				pr.optimisticUpdate(last)
+				pr.ins.add(last)
+			case ProgressStateProbe:
+				pr.pause()
+			default:
+				r.logger.Panicf("%x is sending append in unhandled state %s", r.id, pr.State)
+			}
+		}
+	}
+	r.send(m)
+	return true
+}
+
+// sendHeartbeat sends a heartbeat RPC to the given peer.
+func (r *raft) sendHeartbeat(to uint64, ctx []byte) {
+	// Attach the commit as min(to.matched, r.committed).
+	// When the leader sends out heartbeat message,
+	// the receiver(follower) might not be matched with the leader
+	// or it might not have all the committed entries.
+	// The leader MUST NOT forward the follower's commit to
+	// an unmatched index.
+	commit := min(r.getProgress(to).Match, r.raftLog.committed)
+	m := pb.Message{
+		To:      to,
+		Type:    pb.MsgHeartbeat,
+		Commit:  commit,
+		Context: ctx,
+	}
+
+	r.send(m)
+}
+
+func (r *raft) forEachProgress(f func(id uint64, pr *Progress)) {
+	for id, pr := range r.prs {
+		f(id, pr)
+	}
+
+	for id, pr := range r.learnerPrs {
+		f(id, pr)
+	}
+}
+
+// bcastAppend sends RPC, with entries to all peers that are not up-to-date
+// according to the progress recorded in r.prs.
+func (r *raft) bcastAppend() {
+	r.forEachProgress(func(id uint64, _ *Progress) {
+		if id == r.id {
+			return
+		}
+
+		r.sendAppend(id)
+	})
+}
+
+// bcastHeartbeat sends RPC, without entries to all the peers.
+func (r *raft) bcastHeartbeat() {
+	lastCtx := r.readOnly.lastPendingRequestCtx()
+	if len(lastCtx) == 0 {
+		r.bcastHeartbeatWithCtx(nil)
+	} else {
+		r.bcastHeartbeatWithCtx([]byte(lastCtx))
+	}
+}
+
+func (r *raft) bcastHeartbeatWithCtx(ctx []byte) {
+	r.forEachProgress(func(id uint64, _ *Progress) {
+		if id == r.id {
+			return
+		}
+		r.sendHeartbeat(id, ctx)
+	})
+}
+
+// maybeCommit attempts to advance the commit index. Returns true if
+// the commit index changed (in which case the caller should call
+// r.bcastAppend).
+func (r *raft) maybeCommit() bool {
+	// Preserving matchBuf across calls is an optimization
+	// used to avoid allocating a new slice on each call.
+	if cap(r.matchBuf) < len(r.prs) {
+		r.matchBuf = make(uint64Slice, len(r.prs))
+	}
+	mis := r.matchBuf[:len(r.prs)]
+	idx := 0
+	for _, p := range r.prs {
+		mis[idx] = p.Match
+		idx++
+	}
+	sort.Sort(mis)
+	mci := mis[len(mis)-r.quorum()]
+	return r.raftLog.maybeCommit(mci, r.Term)
+}
+
+func (r *raft) reset(term uint64) {
+	if r.Term != term {
+		r.Term = term
+		r.Vote = None
+	}
+	r.lead = None
+
+	r.electionElapsed = 0
+	r.heartbeatElapsed = 0
+	r.resetRandomizedElectionTimeout()
+
+	r.abortLeaderTransfer()
+
+	r.votes = make(map[uint64]bool)
+	r.forEachProgress(func(id uint64, pr *Progress) {
+		*pr = Progress{Next: r.raftLog.lastIndex() + 1, ins: newInflights(r.maxInflight), IsLearner: pr.IsLearner}
+		if id == r.id {
+			pr.Match = r.raftLog.lastIndex()
+		}
+	})
+
+	r.pendingConfIndex = 0
+	r.uncommittedSize = 0
+	r.readOnly = newReadOnly(r.readOnly.option)
+}
+
+func (r *raft) appendEntry(es ...pb.Entry) (accepted bool) {
+	li := r.raftLog.lastIndex()
+	for i := range es {
+		es[i].Term = r.Term
+		es[i].Index = li + 1 + uint64(i)
+	}
+	// Track the size of this uncommitted proposal.
+	if !r.increaseUncommittedSize(es) {
+		r.logger.Debugf(
+			"%x appending new entries to log would exceed uncommitted entry size limit; dropping proposal",
+			r.id,
+		)
+		// Drop the proposal.
+		return false
+	}
+	// use latest "last" index after truncate/append
+	li = r.raftLog.append(es...)
+	r.getProgress(r.id).maybeUpdate(li)
+	// Regardless of maybeCommit's return, our caller will call bcastAppend.
+	r.maybeCommit()
+	return true
+}
+
+// tickElection is run by followers and candidates after r.electionTimeout.
+func (r *raft) tickElection() {
+	r.electionElapsed++
+
+	if r.promotable() && r.pastElectionTimeout() {
+		r.electionElapsed = 0
+		r.Step(pb.Message{From: r.id, Type: pb.MsgHup})
+	}
+}
+
+// tickHeartbeat is run by leaders to send a MsgBeat after r.heartbeatTimeout.
+func (r *raft) tickHeartbeat() {
+	r.heartbeatElapsed++
+	r.electionElapsed++
+
+	if r.electionElapsed >= r.electionTimeout {
+		r.electionElapsed = 0
+		if r.checkQuorum {
+			r.Step(pb.Message{From: r.id, Type: pb.MsgCheckQuorum})
+		}
+		// If current leader cannot transfer leadership in electionTimeout, it becomes leader again.
+		if r.state == StateLeader && r.leadTransferee != None {
+			r.abortLeaderTransfer()
+		}
+	}
+
+	if r.state != StateLeader {
+		return
+	}
+
+	if r.heartbeatElapsed >= r.heartbeatTimeout {
+		r.heartbeatElapsed = 0
+		r.Step(pb.Message{From: r.id, Type: pb.MsgBeat})
+	}
+}
+
+func (r *raft) becomeFollower(term uint64, lead uint64) {
+	r.step = stepFollower
+	r.reset(term)
+	r.tick = r.tickElection
+	r.lead = lead
+	r.state = StateFollower
+	r.logger.Infof("%x became follower at term %d", r.id, r.Term)
+}
+
+func (r *raft) becomeCandidate() {
+	// TODO(xiangli) remove the panic when the raft implementation is stable
+	if r.state == StateLeader {
+		panic("invalid transition [leader -> candidate]")
+	}
+	r.step = stepCandidate
+	r.reset(r.Term + 1)
+	r.tick = r.tickElection
+	r.Vote = r.id
+	r.state = StateCandidate
+	r.logger.Infof("%x became candidate at term %d", r.id, r.Term)
+}
+
+func (r *raft) becomePreCandidate() {
+	// TODO(xiangli) remove the panic when the raft implementation is stable
+	if r.state == StateLeader {
+		panic("invalid transition [leader -> pre-candidate]")
+	}
+	// Becoming a pre-candidate changes our step functions and state,
+	// but doesn't change anything else. In particular it does not increase
+	// r.Term or change r.Vote.
+	r.step = stepCandidate
+	r.votes = make(map[uint64]bool)
+	r.tick = r.tickElection
+	r.lead = None
+	r.state = StatePreCandidate
+	r.logger.Infof("%x became pre-candidate at term %d", r.id, r.Term)
+}
+
+func (r *raft) becomeLeader() {
+	// TODO(xiangli) remove the panic when the raft implementation is stable
+	if r.state == StateFollower {
+		panic("invalid transition [follower -> leader]")
+	}
+	r.step = stepLeader
+	r.reset(r.Term)
+	r.tick = r.tickHeartbeat
+	r.lead = r.id
+	r.state = StateLeader
+	// Followers enter replicate mode when they've been successfully probed
+	// (perhaps after having received a snapshot as a result). The leader is
+	// trivially in this state. Note that r.reset() has initialized this
+	// progress with the last index already.
+	r.prs[r.id].becomeReplicate()
+
+	// Conservatively set the pendingConfIndex to the last index in the
+	// log. There may or may not be a pending config change, but it's
+	// safe to delay any future proposals until we commit all our
+	// pending log entries, and scanning the entire tail of the log
+	// could be expensive.
+	r.pendingConfIndex = r.raftLog.lastIndex()
+
+	emptyEnt := pb.Entry{Data: nil}
+	if !r.appendEntry(emptyEnt) {
+		// This won't happen because we just called reset() above.
+		r.logger.Panic("empty entry was dropped")
+	}
+	// As a special case, don't count the initial empty entry towards the
+	// uncommitted log quota. This is because we want to preserve the
+	// behavior of allowing one entry larger than quota if the current
+	// usage is zero.
+	r.reduceUncommittedSize([]pb.Entry{emptyEnt})
+	r.logger.Infof("%x became leader at term %d", r.id, r.Term)
+}
+
+func (r *raft) campaign(t CampaignType) {
+	var term uint64
+	var voteMsg pb.MessageType
+	if t == campaignPreElection {
+		r.becomePreCandidate()
+		voteMsg = pb.MsgPreVote
+		// PreVote RPCs are sent for the next term before we've incremented r.Term.
+		term = r.Term + 1
+	} else {
+		r.becomeCandidate()
+		voteMsg = pb.MsgVote
+		term = r.Term
+	}
+	if r.quorum() == r.poll(r.id, voteRespMsgType(voteMsg), true) {
+		// We won the election after voting for ourselves (which must mean that
+		// this is a single-node cluster). Advance to the next state.
+		if t == campaignPreElection {
+			r.campaign(campaignElection)
+		} else {
+			r.becomeLeader()
+		}
+		return
+	}
+	for id := range r.prs {
+		if id == r.id {
+			continue
+		}
+		r.logger.Infof("%x [logterm: %d, index: %d] sent %s request to %x at term %d",
+			r.id, r.raftLog.lastTerm(), r.raftLog.lastIndex(), voteMsg, id, r.Term)
+
+		var ctx []byte
+		if t == campaignTransfer {
+			ctx = []byte(t)
+		}
+		r.send(pb.Message{Term: term, To: id, Type: voteMsg, Index: r.raftLog.lastIndex(), LogTerm: r.raftLog.lastTerm(), Context: ctx})
+	}
+}
+
+func (r *raft) poll(id uint64, t pb.MessageType, v bool) (granted int) {
+	if v {
+		r.logger.Infof("%x received %s from %x at term %d", r.id, t, id, r.Term)
+	} else {
+		r.logger.Infof("%x received %s rejection from %x at term %d", r.id, t, id, r.Term)
+	}
+	if _, ok := r.votes[id]; !ok {
+		r.votes[id] = v
+	}
+	for _, vv := range r.votes {
+		if vv {
+			granted++
+		}
+	}
+	return granted
+}
+
+func (r *raft) Step(m pb.Message) error {
+	// Handle the message term, which may result in our stepping down to a follower.
+	switch {
+	case m.Term == 0:
+		// local message
+	case m.Term > r.Term:
+		if m.Type == pb.MsgVote || m.Type == pb.MsgPreVote {
+			force := bytes.Equal(m.Context, []byte(campaignTransfer))
+			inLease := r.checkQuorum && r.lead != None && r.electionElapsed < r.electionTimeout
+			if !force && inLease {
+				// If a server receives a RequestVote request within the minimum election timeout
+				// of hearing from a current leader, it does not update its term or grant its vote
+				r.logger.Infof("%x [logterm: %d, index: %d, vote: %x] ignored %s from %x [logterm: %d, index: %d] at term %d: lease is not expired (remaining ticks: %d)",
+					r.id, r.raftLog.lastTerm(), r.raftLog.lastIndex(), r.Vote, m.Type, m.From, m.LogTerm, m.Index, r.Term, r.electionTimeout-r.electionElapsed)
+				return nil
+			}
+		}
+		switch {
+		case m.Type == pb.MsgPreVote:
+			// Never change our term in response to a PreVote
+		case m.Type == pb.MsgPreVoteResp && !m.Reject:
+			// We send pre-vote requests with a term in our future. If the
+			// pre-vote is granted, we will increment our term when we get a
+			// quorum. If it is not, the term comes from the node that
+			// rejected our vote so we should become a follower at the new
+			// term.
+		default:
+			r.logger.Infof("%x [term: %d] received a %s message with higher term from %x [term: %d]",
+				r.id, r.Term, m.Type, m.From, m.Term)
+			if m.Type == pb.MsgApp || m.Type == pb.MsgHeartbeat || m.Type == pb.MsgSnap {
+				r.becomeFollower(m.Term, m.From)
+			} else {
+				r.becomeFollower(m.Term, None)
+			}
+		}
+
+	case m.Term < r.Term:
+		if (r.checkQuorum || r.preVote) && (m.Type == pb.MsgHeartbeat || m.Type == pb.MsgApp) {
+			// We have received messages from a leader at a lower term. It is possible
+			// that these messages were simply delayed in the network, but this could
+			// also mean that this node has advanced its term number during a network
+			// partition, and it is now unable to either win an election or to rejoin
+			// the majority on the old term. If checkQuorum is false, this will be
+			// handled by incrementing term numbers in response to MsgVote with a
+			// higher term, but if checkQuorum is true we may not advance the term on
+			// MsgVote and must generate other messages to advance the term. The net
+			// result of these two features is to minimize the disruption caused by
+			// nodes that have been removed from the cluster's configuration: a
+			// removed node will send MsgVotes (or MsgPreVotes) which will be ignored,
+			// but it will not receive MsgApp or MsgHeartbeat, so it will not create
+			// disruptive term increases, by notifying leader of this node's activeness.
+			// The above comments also true for Pre-Vote
+			//
+			// When follower gets isolated, it soon starts an election ending
+			// up with a higher term than leader, although it won't receive enough
+			// votes to win the election. When it regains connectivity, this response
+			// with "pb.MsgAppResp" of higher term would force leader to step down.
+			// However, this disruption is inevitable to free this stuck node with
+			// fresh election. This can be prevented with Pre-Vote phase.
+			r.send(pb.Message{To: m.From, Type: pb.MsgAppResp})
+		} else if m.Type == pb.MsgPreVote {
+			// Before Pre-Vote enable, there may have candidate with higher term,
+			// but less log. After update to Pre-Vote, the cluster may deadlock if
+			// we drop messages with a lower term.
+			r.logger.Infof("%x [logterm: %d, index: %d, vote: %x] rejected %s from %x [logterm: %d, index: %d] at term %d",
+				r.id, r.raftLog.lastTerm(), r.raftLog.lastIndex(), r.Vote, m.Type, m.From, m.LogTerm, m.Index, r.Term)
+			r.send(pb.Message{To: m.From, Term: r.Term, Type: pb.MsgPreVoteResp, Reject: true})
+		} else {
+			// ignore other cases
+			r.logger.Infof("%x [term: %d] ignored a %s message with lower term from %x [term: %d]",
+				r.id, r.Term, m.Type, m.From, m.Term)
+		}
+		return nil
+	}
+
+	switch m.Type {
+	case pb.MsgHup:
+		if r.state != StateLeader {
+			ents, err := r.raftLog.slice(r.raftLog.applied+1, r.raftLog.committed+1, noLimit)
+			if err != nil {
+				r.logger.Panicf("unexpected error getting unapplied entries (%v)", err)
+			}
+			if n := numOfPendingConf(ents); n != 0 && r.raftLog.committed > r.raftLog.applied {
+				r.logger.Warningf("%x cannot campaign at term %d since there are still %d pending configuration changes to apply", r.id, r.Term, n)
+				return nil
+			}
+
+			r.logger.Infof("%x is starting a new election at term %d", r.id, r.Term)
+			if r.preVote {
+				r.campaign(campaignPreElection)
+			} else {
+				r.campaign(campaignElection)
+			}
+		} else {
+			r.logger.Debugf("%x ignoring MsgHup because already leader", r.id)
+		}
+
+	case pb.MsgVote, pb.MsgPreVote:
+		if r.isLearner {
+			// TODO: learner may need to vote, in case of node down when confchange.
+			r.logger.Infof("%x [logterm: %d, index: %d, vote: %x] ignored %s from %x [logterm: %d, index: %d] at term %d: learner can not vote",
+				r.id, r.raftLog.lastTerm(), r.raftLog.lastIndex(), r.Vote, m.Type, m.From, m.LogTerm, m.Index, r.Term)
+			return nil
+		}
+		// We can vote if this is a repeat of a vote we've already cast...
+		canVote := r.Vote == m.From ||
+			// ...we haven't voted and we don't think there's a leader yet in this term...
+			(r.Vote == None && r.lead == None) ||
+			// ...or this is a PreVote for a future term...
+			(m.Type == pb.MsgPreVote && m.Term > r.Term)
+		// ...and we believe the candidate is up to date.
+		if canVote && r.raftLog.isUpToDate(m.Index, m.LogTerm) {
+			r.logger.Infof("%x [logterm: %d, index: %d, vote: %x] cast %s for %x [logterm: %d, index: %d] at term %d",
+				r.id, r.raftLog.lastTerm(), r.raftLog.lastIndex(), r.Vote, m.Type, m.From, m.LogTerm, m.Index, r.Term)
+			// When responding to Msg{Pre,}Vote messages we include the term
+			// from the message, not the local term. To see why consider the
+			// case where a single node was previously partitioned away and
+			// it's local term is now of date. If we include the local term
+			// (recall that for pre-votes we don't update the local term), the
+			// (pre-)campaigning node on the other end will proceed to ignore
+			// the message (it ignores all out of date messages).
+			// The term in the original message and current local term are the
+			// same in the case of regular votes, but different for pre-votes.
+			r.send(pb.Message{To: m.From, Term: m.Term, Type: voteRespMsgType(m.Type)})
+			if m.Type == pb.MsgVote {
+				// Only record real votes.
+				r.electionElapsed = 0
+				r.Vote = m.From
+			}
+		} else {
+			r.logger.Infof("%x [logterm: %d, index: %d, vote: %x] rejected %s from %x [logterm: %d, index: %d] at term %d",
+				r.id, r.raftLog.lastTerm(), r.raftLog.lastIndex(), r.Vote, m.Type, m.From, m.LogTerm, m.Index, r.Term)
+			r.send(pb.Message{To: m.From, Term: r.Term, Type: voteRespMsgType(m.Type), Reject: true})
+		}
+
+	default:
+		err := r.step(r, m)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+type stepFunc func(r *raft, m pb.Message) error
+
+func stepLeader(r *raft, m pb.Message) error {
+	// These message types do not require any progress for m.From.
+	switch m.Type {
+	case pb.MsgBeat:
+		r.bcastHeartbeat()
+		return nil
+	case pb.MsgCheckQuorum:
+		if !r.checkQuorumActive() {
+			r.logger.Warningf("%x stepped down to follower since quorum is not active", r.id)
+			r.becomeFollower(r.Term, None)
+		}
+		return nil
+	case pb.MsgProp:
+		if len(m.Entries) == 0 {
+			r.logger.Panicf("%x stepped empty MsgProp", r.id)
+		}
+		if _, ok := r.prs[r.id]; !ok {
+			// If we are not currently a member of the range (i.e. this node
+			// was removed from the configuration while serving as leader),
+			// drop any new proposals.
+			return ErrProposalDropped
+		}
+		if r.leadTransferee != None {
+			r.logger.Debugf("%x [term %d] transfer leadership to %x is in progress; dropping proposal", r.id, r.Term, r.leadTransferee)
+			return ErrProposalDropped
+		}
+
+		for i, e := range m.Entries {
+			if e.Type == pb.EntryConfChange {
+				if r.pendingConfIndex > r.raftLog.applied {
+					r.logger.Infof("propose conf %s ignored since pending unapplied configuration [index %d, applied %d]",
+						e.String(), r.pendingConfIndex, r.raftLog.applied)
+					m.Entries[i] = pb.Entry{Type: pb.EntryNormal}
+				} else {
+					r.pendingConfIndex = r.raftLog.lastIndex() + uint64(i) + 1
+				}
+			}
+		}
+
+		if !r.appendEntry(m.Entries...) {
+			return ErrProposalDropped
+		}
+		r.bcastAppend()
+		return nil
+	case pb.MsgReadIndex:
+		if r.quorum() > 1 {
+			if r.raftLog.zeroTermOnErrCompacted(r.raftLog.term(r.raftLog.committed)) != r.Term {
+				// Reject read only request when this leader has not committed any log entry at its term.
+				return nil
+			}
+
+			// thinking: use an interally defined context instead of the user given context.
+			// We can express this in terms of the term and index instead of a user-supplied value.
+			// This would allow multiple reads to piggyback on the same message.
+			switch r.readOnly.option {
+			case ReadOnlySafe:
+				r.readOnly.addRequest(r.raftLog.committed, m)
+				r.bcastHeartbeatWithCtx(m.Entries[0].Data)
+			case ReadOnlyLeaseBased:
+				ri := r.raftLog.committed
+				if m.From == None || m.From == r.id { // from local member
+					r.readStates = append(r.readStates, ReadState{Index: r.raftLog.committed, RequestCtx: m.Entries[0].Data})
+				} else {
+					r.send(pb.Message{To: m.From, Type: pb.MsgReadIndexResp, Index: ri, Entries: m.Entries})
+				}
+			}
+		} else {
+			r.readStates = append(r.readStates, ReadState{Index: r.raftLog.committed, RequestCtx: m.Entries[0].Data})
+		}
+
+		return nil
+	}
+
+	// All other message types require a progress for m.From (pr).
+	pr := r.getProgress(m.From)
+	if pr == nil {
+		r.logger.Debugf("%x no progress available for %x", r.id, m.From)
+		return nil
+	}
+	switch m.Type {
+	case pb.MsgAppResp:
+		pr.RecentActive = true
+
+		if m.Reject {
+			r.logger.Debugf("%x received msgApp rejection(lastindex: %d) from %x for index %d",
+				r.id, m.RejectHint, m.From, m.Index)
+			if pr.maybeDecrTo(m.Index, m.RejectHint) {
+				r.logger.Debugf("%x decreased progress of %x to [%s]", r.id, m.From, pr)
+				if pr.State == ProgressStateReplicate {
+					pr.becomeProbe()
+				}
+				r.sendAppend(m.From)
+			}
+		} else {
+			oldPaused := pr.IsPaused()
+			if pr.maybeUpdate(m.Index) {
+				switch {
+				case pr.State == ProgressStateProbe:
+					pr.becomeReplicate()
+				case pr.State == ProgressStateSnapshot && pr.needSnapshotAbort():
+					r.logger.Debugf("%x snapshot aborted, resumed sending replication messages to %x [%s]", r.id, m.From, pr)
+					// Transition back to replicating state via probing state
+					// (which takes the snapshot into account). If we didn't
+					// move to replicating state, that would only happen with
+					// the next round of appends (but there may not be a next
+					// round for a while, exposing an inconsistent RaftStatus).
+					pr.becomeProbe()
+					pr.becomeReplicate()
+				case pr.State == ProgressStateReplicate:
+					pr.ins.freeTo(m.Index)
+				}
+
+				if r.maybeCommit() {
+					r.bcastAppend()
+				} else if oldPaused {
+					// If we were paused before, this node may be missing the
+					// latest commit index, so send it.
+					r.sendAppend(m.From)
+				}
+				// We've updated flow control information above, which may
+				// allow us to send multiple (size-limited) in-flight messages
+				// at once (such as when transitioning from probe to
+				// replicate, or when freeTo() covers multiple messages). If
+				// we have more entries to send, send as many messages as we
+				// can (without sending empty messages for the commit index)
+				for r.maybeSendAppend(m.From, false) {
+				}
+				// Transfer leadership is in progress.
+				if m.From == r.leadTransferee && pr.Match == r.raftLog.lastIndex() {
+					r.logger.Infof("%x sent MsgTimeoutNow to %x after received MsgAppResp", r.id, m.From)
+					r.sendTimeoutNow(m.From)
+				}
+			}
+		}
+	case pb.MsgHeartbeatResp:
+		pr.RecentActive = true
+		pr.resume()
+
+		// free one slot for the full inflights window to allow progress.
+		if pr.State == ProgressStateReplicate && pr.ins.full() {
+			pr.ins.freeFirstOne()
+		}
+		if pr.Match < r.raftLog.lastIndex() {
+			r.sendAppend(m.From)
+		}
+
+		if r.readOnly.option != ReadOnlySafe || len(m.Context) == 0 {
+			return nil
+		}
+
+		ackCount := r.readOnly.recvAck(m)
+		if ackCount < r.quorum() {
+			return nil
+		}
+
+		rss := r.readOnly.advance(m)
+		for _, rs := range rss {
+			req := rs.req
+			if req.From == None || req.From == r.id { // from local member
+				r.readStates = append(r.readStates, ReadState{Index: rs.index, RequestCtx: req.Entries[0].Data})
+			} else {
+				r.send(pb.Message{To: req.From, Type: pb.MsgReadIndexResp, Index: rs.index, Entries: req.Entries})
+			}
+		}
+	case pb.MsgSnapStatus:
+		if pr.State != ProgressStateSnapshot {
+			return nil
+		}
+		if !m.Reject {
+			pr.becomeProbe()
+			r.logger.Debugf("%x snapshot succeeded, resumed sending replication messages to %x [%s]", r.id, m.From, pr)
+		} else {
+			pr.snapshotFailure()
+			pr.becomeProbe()
+			r.logger.Debugf("%x snapshot failed, resumed sending replication messages to %x [%s]", r.id, m.From, pr)
+		}
+		// If snapshot finish, wait for the msgAppResp from the remote node before sending
+		// out the next msgApp.
+		// If snapshot failure, wait for a heartbeat interval before next try
+		pr.pause()
+	case pb.MsgUnreachable:
+		// During optimistic replication, if the remote becomes unreachable,
+		// there is huge probability that a MsgApp is lost.
+		if pr.State == ProgressStateReplicate {
+			pr.becomeProbe()
+		}
+		r.logger.Debugf("%x failed to send message to %x because it is unreachable [%s]", r.id, m.From, pr)
+	case pb.MsgTransferLeader:
+		if pr.IsLearner {
+			r.logger.Debugf("%x is learner. Ignored transferring leadership", r.id)
+			return nil
+		}
+		leadTransferee := m.From
+		lastLeadTransferee := r.leadTransferee
+		if lastLeadTransferee != None {
+			if lastLeadTransferee == leadTransferee {
+				r.logger.Infof("%x [term %d] transfer leadership to %x is in progress, ignores request to same node %x",
+					r.id, r.Term, leadTransferee, leadTransferee)
+				return nil
+			}
+			r.abortLeaderTransfer()
+			r.logger.Infof("%x [term %d] abort previous transferring leadership to %x", r.id, r.Term, lastLeadTransferee)
+		}
+		if leadTransferee == r.id {
+			r.logger.Debugf("%x is already leader. Ignored transferring leadership to self", r.id)
+			return nil
+		}
+		// Transfer leadership to third party.
+		r.logger.Infof("%x [term %d] starts to transfer leadership to %x", r.id, r.Term, leadTransferee)
+		// Transfer leadership should be finished in one electionTimeout, so reset r.electionElapsed.
+		r.electionElapsed = 0
+		r.leadTransferee = leadTransferee
+		if pr.Match == r.raftLog.lastIndex() {
+			r.sendTimeoutNow(leadTransferee)
+			r.logger.Infof("%x sends MsgTimeoutNow to %x immediately as %x already has up-to-date log", r.id, leadTransferee, leadTransferee)
+		} else {
+			r.sendAppend(leadTransferee)
+		}
+	}
+	return nil
+}
+
+// stepCandidate is shared by StateCandidate and StatePreCandidate; the difference is
+// whether they respond to MsgVoteResp or MsgPreVoteResp.
+func stepCandidate(r *raft, m pb.Message) error {
+	// Only handle vote responses corresponding to our candidacy (while in
+	// StateCandidate, we may get stale MsgPreVoteResp messages in this term from
+	// our pre-candidate state).
+	var myVoteRespType pb.MessageType
+	if r.state == StatePreCandidate {
+		myVoteRespType = pb.MsgPreVoteResp
+	} else {
+		myVoteRespType = pb.MsgVoteResp
+	}
+	switch m.Type {
+	case pb.MsgProp:
+		r.logger.Infof("%x no leader at term %d; dropping proposal", r.id, r.Term)
+		return ErrProposalDropped
+	case pb.MsgApp:
+		r.becomeFollower(m.Term, m.From) // always m.Term == r.Term
+		r.handleAppendEntries(m)
+	case pb.MsgHeartbeat:
+		r.becomeFollower(m.Term, m.From) // always m.Term == r.Term
+		r.handleHeartbeat(m)
+	case pb.MsgSnap:
+		r.becomeFollower(m.Term, m.From) // always m.Term == r.Term
+		r.handleSnapshot(m)
+	case myVoteRespType:
+		gr := r.poll(m.From, m.Type, !m.Reject)
+		r.logger.Infof("%x [quorum:%d] has received %d %s votes and %d vote rejections", r.id, r.quorum(), gr, m.Type, len(r.votes)-gr)
+		switch r.quorum() {
+		case gr:
+			if r.state == StatePreCandidate {
+				r.campaign(campaignElection)
+			} else {
+				r.becomeLeader()
+				r.bcastAppend()
+			}
+		case len(r.votes) - gr:
+			// pb.MsgPreVoteResp contains future term of pre-candidate
+			// m.Term > r.Term; reuse r.Term
+			r.becomeFollower(r.Term, None)
+		}
+	case pb.MsgTimeoutNow:
+		r.logger.Debugf("%x [term %d state %v] ignored MsgTimeoutNow from %x", r.id, r.Term, r.state, m.From)
+	}
+	return nil
+}
+
+func stepFollower(r *raft, m pb.Message) error {
+	switch m.Type {
+	case pb.MsgProp:
+		if r.lead == None {
+			r.logger.Infof("%x no leader at term %d; dropping proposal", r.id, r.Term)
+			return ErrProposalDropped
+		} else if r.disableProposalForwarding {
+			r.logger.Infof("%x not forwarding to leader %x at term %d; dropping proposal", r.id, r.lead, r.Term)
+			return ErrProposalDropped
+		}
+		m.To = r.lead
+		r.send(m)
+	case pb.MsgApp:
+		r.electionElapsed = 0
+		r.lead = m.From
+		r.handleAppendEntries(m)
+	case pb.MsgHeartbeat:
+		r.electionElapsed = 0
+		r.lead = m.From
+		r.handleHeartbeat(m)
+	case pb.MsgSnap:
+		r.electionElapsed = 0
+		r.lead = m.From
+		r.handleSnapshot(m)
+	case pb.MsgTransferLeader:
+		if r.lead == None {
+			r.logger.Infof("%x no leader at term %d; dropping leader transfer msg", r.id, r.Term)
+			return nil
+		}
+		m.To = r.lead
+		r.send(m)
+	case pb.MsgTimeoutNow:
+		if r.promotable() {
+			r.logger.Infof("%x [term %d] received MsgTimeoutNow from %x and starts an election to get leadership.", r.id, r.Term, m.From)
+			// Leadership transfers never use pre-vote even if r.preVote is true; we
+			// know we are not recovering from a partition so there is no need for the
+			// extra round trip.
+			r.campaign(campaignTransfer)
+		} else {
+			r.logger.Infof("%x received MsgTimeoutNow from %x but is not promotable", r.id, m.From)
+		}
+	case pb.MsgReadIndex:
+		if r.lead == None {
+			r.logger.Infof("%x no leader at term %d; dropping index reading msg", r.id, r.Term)
+			return nil
+		}
+		m.To = r.lead
+		r.send(m)
+	case pb.MsgReadIndexResp:
+		if len(m.Entries) != 1 {
+			r.logger.Errorf("%x invalid format of MsgReadIndexResp from %x, entries count: %d", r.id, m.From, len(m.Entries))
+			return nil
+		}
+		r.readStates = append(r.readStates, ReadState{Index: m.Index, RequestCtx: m.Entries[0].Data})
+	}
+	return nil
+}
+
+func (r *raft) handleAppendEntries(m pb.Message) {
+	if m.Index < r.raftLog.committed {
+		r.send(pb.Message{To: m.From, Type: pb.MsgAppResp, Index: r.raftLog.committed})
+		return
+	}
+
+	if mlastIndex, ok := r.raftLog.maybeAppend(m.Index, m.LogTerm, m.Commit, m.Entries...); ok {
+		r.send(pb.Message{To: m.From, Type: pb.MsgAppResp, Index: mlastIndex})
+	} else {
+		r.logger.Debugf("%x [logterm: %d, index: %d] rejected msgApp [logterm: %d, index: %d] from %x",
+			r.id, r.raftLog.zeroTermOnErrCompacted(r.raftLog.term(m.Index)), m.Index, m.LogTerm, m.Index, m.From)
+		r.send(pb.Message{To: m.From, Type: pb.MsgAppResp, Index: m.Index, Reject: true, RejectHint: r.raftLog.lastIndex()})
+	}
+}
+
+func (r *raft) handleHeartbeat(m pb.Message) {
+	r.raftLog.commitTo(m.Commit)
+	r.send(pb.Message{To: m.From, Type: pb.MsgHeartbeatResp, Context: m.Context})
+}
+
+func (r *raft) handleSnapshot(m pb.Message) {
+	sindex, sterm := m.Snapshot.Metadata.Index, m.Snapshot.Metadata.Term
+	if r.restore(m.Snapshot) {
+		r.logger.Infof("%x [commit: %d] restored snapshot [index: %d, term: %d]",
+			r.id, r.raftLog.committed, sindex, sterm)
+		r.send(pb.Message{To: m.From, Type: pb.MsgAppResp, Index: r.raftLog.lastIndex()})
+	} else {
+		r.logger.Infof("%x [commit: %d] ignored snapshot [index: %d, term: %d]",
+			r.id, r.raftLog.committed, sindex, sterm)
+		r.send(pb.Message{To: m.From, Type: pb.MsgAppResp, Index: r.raftLog.committed})
+	}
+}
+
+// restore recovers the state machine from a snapshot. It restores the log and the
+// configuration of state machine.
+func (r *raft) restore(s pb.Snapshot) bool {
+	if s.Metadata.Index <= r.raftLog.committed {
+		return false
+	}
+	if r.raftLog.matchTerm(s.Metadata.Index, s.Metadata.Term) {
+		r.logger.Infof("%x [commit: %d, lastindex: %d, lastterm: %d] fast-forwarded commit to snapshot [index: %d, term: %d]",
+			r.id, r.raftLog.committed, r.raftLog.lastIndex(), r.raftLog.lastTerm(), s.Metadata.Index, s.Metadata.Term)
+		r.raftLog.commitTo(s.Metadata.Index)
+		return false
+	}
+
+	// The normal peer can't become learner.
+	if !r.isLearner {
+		for _, id := range s.Metadata.ConfState.Learners {
+			if id == r.id {
+				r.logger.Errorf("%x can't become learner when restores snapshot [index: %d, term: %d]", r.id, s.Metadata.Index, s.Metadata.Term)
+				return false
+			}
+		}
+	}
+
+	r.logger.Infof("%x [commit: %d, lastindex: %d, lastterm: %d] starts to restore snapshot [index: %d, term: %d]",
+		r.id, r.raftLog.committed, r.raftLog.lastIndex(), r.raftLog.lastTerm(), s.Metadata.Index, s.Metadata.Term)
+
+	r.raftLog.restore(s)
+	r.prs = make(map[uint64]*Progress)
+	r.learnerPrs = make(map[uint64]*Progress)
+	r.restoreNode(s.Metadata.ConfState.Nodes, false)
+	r.restoreNode(s.Metadata.ConfState.Learners, true)
+	return true
+}
+
+func (r *raft) restoreNode(nodes []uint64, isLearner bool) {
+	for _, n := range nodes {
+		match, next := uint64(0), r.raftLog.lastIndex()+1
+		if n == r.id {
+			match = next - 1
+			r.isLearner = isLearner
+		}
+		r.setProgress(n, match, next, isLearner)
+		r.logger.Infof("%x restored progress of %x [%s]", r.id, n, r.getProgress(n))
+	}
+}
+
+// promotable indicates whether state machine can be promoted to leader,
+// which is true when its own id is in progress list.
+func (r *raft) promotable() bool {
+	_, ok := r.prs[r.id]
+	return ok
+}
+
+func (r *raft) addNode(id uint64) {
+	r.addNodeOrLearnerNode(id, false)
+}
+
+func (r *raft) addLearner(id uint64) {
+	r.addNodeOrLearnerNode(id, true)
+}
+
+func (r *raft) addNodeOrLearnerNode(id uint64, isLearner bool) {
+	pr := r.getProgress(id)
+	if pr == nil {
+		r.setProgress(id, 0, r.raftLog.lastIndex()+1, isLearner)
+	} else {
+		if isLearner && !pr.IsLearner {
+			// can only change Learner to Voter
+			r.logger.Infof("%x ignored addLearner: do not support changing %x from raft peer to learner.", r.id, id)
+			return
+		}
+
+		if isLearner == pr.IsLearner {
+			// Ignore any redundant addNode calls (which can happen because the
+			// initial bootstrapping entries are applied twice).
+			return
+		}
+
+		// change Learner to Voter, use origin Learner progress
+		delete(r.learnerPrs, id)
+		pr.IsLearner = false
+		r.prs[id] = pr
+	}
+
+	if r.id == id {
+		r.isLearner = isLearner
+	}
+
+	// When a node is first added, we should mark it as recently active.
+	// Otherwise, CheckQuorum may cause us to step down if it is invoked
+	// before the added node has a chance to communicate with us.
+	pr = r.getProgress(id)
+	pr.RecentActive = true
+}
+
+func (r *raft) removeNode(id uint64) {
+	r.delProgress(id)
+
+	// do not try to commit or abort transferring if there is no nodes in the cluster.
+	if len(r.prs) == 0 && len(r.learnerPrs) == 0 {
+		return
+	}
+
+	// The quorum size is now smaller, so see if any pending entries can
+	// be committed.
+	if r.maybeCommit() {
+		r.bcastAppend()
+	}
+	// If the removed node is the leadTransferee, then abort the leadership transferring.
+	if r.state == StateLeader && r.leadTransferee == id {
+		r.abortLeaderTransfer()
+	}
+}
+
+func (r *raft) setProgress(id, match, next uint64, isLearner bool) {
+	if !isLearner {
+		delete(r.learnerPrs, id)
+		r.prs[id] = &Progress{Next: next, Match: match, ins: newInflights(r.maxInflight)}
+		return
+	}
+
+	if _, ok := r.prs[id]; ok {
+		panic(fmt.Sprintf("%x unexpected changing from voter to learner for %x", r.id, id))
+	}
+	r.learnerPrs[id] = &Progress{Next: next, Match: match, ins: newInflights(r.maxInflight), IsLearner: true}
+}
+
+func (r *raft) delProgress(id uint64) {
+	delete(r.prs, id)
+	delete(r.learnerPrs, id)
+}
+
+func (r *raft) loadState(state pb.HardState) {
+	if state.Commit < r.raftLog.committed || state.Commit > r.raftLog.lastIndex() {
+		r.logger.Panicf("%x state.commit %d is out of range [%d, %d]", r.id, state.Commit, r.raftLog.committed, r.raftLog.lastIndex())
+	}
+	r.raftLog.committed = state.Commit
+	r.Term = state.Term
+	r.Vote = state.Vote
+}
+
+// pastElectionTimeout returns true iff r.electionElapsed is greater
+// than or equal to the randomized election timeout in
+// [electiontimeout, 2 * electiontimeout - 1].
+func (r *raft) pastElectionTimeout() bool {
+	return r.electionElapsed >= r.randomizedElectionTimeout
+}
+
+func (r *raft) resetRandomizedElectionTimeout() {
+	r.randomizedElectionTimeout = r.electionTimeout + globalRand.Intn(r.electionTimeout)
+}
+
+// checkQuorumActive returns true if the quorum is active from
+// the view of the local raft state machine. Otherwise, it returns
+// false.
+// checkQuorumActive also resets all RecentActive to false.
+func (r *raft) checkQuorumActive() bool {
+	var act int
+
+	r.forEachProgress(func(id uint64, pr *Progress) {
+		if id == r.id { // self is always active
+			act++
+			return
+		}
+
+		if pr.RecentActive && !pr.IsLearner {
+			act++
+		}
+
+		pr.RecentActive = false
+	})
+
+	return act >= r.quorum()
+}
+
+func (r *raft) sendTimeoutNow(to uint64) {
+	r.send(pb.Message{To: to, Type: pb.MsgTimeoutNow})
+}
+
+func (r *raft) abortLeaderTransfer() {
+	r.leadTransferee = None
+}
+
+// increaseUncommittedSize computes the size of the proposed entries and
+// determines whether they would push leader over its maxUncommittedSize limit.
+// If the new entries would exceed the limit, the method returns false. If not,
+// the increase in uncommitted entry size is recorded and the method returns
+// true.
+func (r *raft) increaseUncommittedSize(ents []pb.Entry) bool {
+	var s uint64
+	for _, e := range ents {
+		s += uint64(PayloadSize(e))
+	}
+
+	if r.uncommittedSize > 0 && r.uncommittedSize+s > r.maxUncommittedSize {
+		// If the uncommitted tail of the Raft log is empty, allow any size
+		// proposal. Otherwise, limit the size of the uncommitted tail of the
+		// log and drop any proposal that would push the size over the limit.
+		return false
+	}
+	r.uncommittedSize += s
+	return true
+}
+
+// reduceUncommittedSize accounts for the newly committed entries by decreasing
+// the uncommitted entry size limit.
+func (r *raft) reduceUncommittedSize(ents []pb.Entry) {
+	if r.uncommittedSize == 0 {
+		// Fast-path for followers, who do not track or enforce the limit.
+		return
+	}
+
+	var s uint64
+	for _, e := range ents {
+		s += uint64(PayloadSize(e))
+	}
+	if s > r.uncommittedSize {
+		// uncommittedSize may underestimate the size of the uncommitted Raft
+		// log tail but will never overestimate it. Saturate at 0 instead of
+		// allowing overflow.
+		r.uncommittedSize = 0
+	} else {
+		r.uncommittedSize -= s
+	}
+}
+
+func numOfPendingConf(ents []pb.Entry) int {
+	n := 0
+	for i := range ents {
+		if ents[i].Type == pb.EntryConfChange {
+			n++
+		}
+	}
+	return n
+}
diff --git a/vendor/go.etcd.io/etcd/raft/raftpb/raft.pb.go b/vendor/go.etcd.io/etcd/raft/raftpb/raft.pb.go
new file mode 100644
index 0000000..fd9ee37
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/raft/raftpb/raft.pb.go
@@ -0,0 +1,2004 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: raft.proto
+
+/*
+	Package raftpb is a generated protocol buffer package.
+
+	It is generated from these files:
+		raft.proto
+
+	It has these top-level messages:
+		Entry
+		SnapshotMetadata
+		Snapshot
+		Message
+		HardState
+		ConfState
+		ConfChange
+*/
+package raftpb
+
+import (
+	"fmt"
+
+	proto "github.com/golang/protobuf/proto"
+
+	math "math"
+
+	_ "github.com/gogo/protobuf/gogoproto"
+
+	io "io"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type EntryType int32
+
+const (
+	EntryNormal     EntryType = 0
+	EntryConfChange EntryType = 1
+)
+
+var EntryType_name = map[int32]string{
+	0: "EntryNormal",
+	1: "EntryConfChange",
+}
+var EntryType_value = map[string]int32{
+	"EntryNormal":     0,
+	"EntryConfChange": 1,
+}
+
+func (x EntryType) Enum() *EntryType {
+	p := new(EntryType)
+	*p = x
+	return p
+}
+func (x EntryType) String() string {
+	return proto.EnumName(EntryType_name, int32(x))
+}
+func (x *EntryType) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(EntryType_value, data, "EntryType")
+	if err != nil {
+		return err
+	}
+	*x = EntryType(value)
+	return nil
+}
+func (EntryType) EnumDescriptor() ([]byte, []int) { return fileDescriptorRaft, []int{0} }
+
+type MessageType int32
+
+const (
+	MsgHup            MessageType = 0
+	MsgBeat           MessageType = 1
+	MsgProp           MessageType = 2
+	MsgApp            MessageType = 3
+	MsgAppResp        MessageType = 4
+	MsgVote           MessageType = 5
+	MsgVoteResp       MessageType = 6
+	MsgSnap           MessageType = 7
+	MsgHeartbeat      MessageType = 8
+	MsgHeartbeatResp  MessageType = 9
+	MsgUnreachable    MessageType = 10
+	MsgSnapStatus     MessageType = 11
+	MsgCheckQuorum    MessageType = 12
+	MsgTransferLeader MessageType = 13
+	MsgTimeoutNow     MessageType = 14
+	MsgReadIndex      MessageType = 15
+	MsgReadIndexResp  MessageType = 16
+	MsgPreVote        MessageType = 17
+	MsgPreVoteResp    MessageType = 18
+)
+
+var MessageType_name = map[int32]string{
+	0:  "MsgHup",
+	1:  "MsgBeat",
+	2:  "MsgProp",
+	3:  "MsgApp",
+	4:  "MsgAppResp",
+	5:  "MsgVote",
+	6:  "MsgVoteResp",
+	7:  "MsgSnap",
+	8:  "MsgHeartbeat",
+	9:  "MsgHeartbeatResp",
+	10: "MsgUnreachable",
+	11: "MsgSnapStatus",
+	12: "MsgCheckQuorum",
+	13: "MsgTransferLeader",
+	14: "MsgTimeoutNow",
+	15: "MsgReadIndex",
+	16: "MsgReadIndexResp",
+	17: "MsgPreVote",
+	18: "MsgPreVoteResp",
+}
+var MessageType_value = map[string]int32{
+	"MsgHup":            0,
+	"MsgBeat":           1,
+	"MsgProp":           2,
+	"MsgApp":            3,
+	"MsgAppResp":        4,
+	"MsgVote":           5,
+	"MsgVoteResp":       6,
+	"MsgSnap":           7,
+	"MsgHeartbeat":      8,
+	"MsgHeartbeatResp":  9,
+	"MsgUnreachable":    10,
+	"MsgSnapStatus":     11,
+	"MsgCheckQuorum":    12,
+	"MsgTransferLeader": 13,
+	"MsgTimeoutNow":     14,
+	"MsgReadIndex":      15,
+	"MsgReadIndexResp":  16,
+	"MsgPreVote":        17,
+	"MsgPreVoteResp":    18,
+}
+
+func (x MessageType) Enum() *MessageType {
+	p := new(MessageType)
+	*p = x
+	return p
+}
+func (x MessageType) String() string {
+	return proto.EnumName(MessageType_name, int32(x))
+}
+func (x *MessageType) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(MessageType_value, data, "MessageType")
+	if err != nil {
+		return err
+	}
+	*x = MessageType(value)
+	return nil
+}
+func (MessageType) EnumDescriptor() ([]byte, []int) { return fileDescriptorRaft, []int{1} }
+
+type ConfChangeType int32
+
+const (
+	ConfChangeAddNode        ConfChangeType = 0
+	ConfChangeRemoveNode     ConfChangeType = 1
+	ConfChangeUpdateNode     ConfChangeType = 2
+	ConfChangeAddLearnerNode ConfChangeType = 3
+)
+
+var ConfChangeType_name = map[int32]string{
+	0: "ConfChangeAddNode",
+	1: "ConfChangeRemoveNode",
+	2: "ConfChangeUpdateNode",
+	3: "ConfChangeAddLearnerNode",
+}
+var ConfChangeType_value = map[string]int32{
+	"ConfChangeAddNode":        0,
+	"ConfChangeRemoveNode":     1,
+	"ConfChangeUpdateNode":     2,
+	"ConfChangeAddLearnerNode": 3,
+}
+
+func (x ConfChangeType) Enum() *ConfChangeType {
+	p := new(ConfChangeType)
+	*p = x
+	return p
+}
+func (x ConfChangeType) String() string {
+	return proto.EnumName(ConfChangeType_name, int32(x))
+}
+func (x *ConfChangeType) UnmarshalJSON(data []byte) error {
+	value, err := proto.UnmarshalJSONEnum(ConfChangeType_value, data, "ConfChangeType")
+	if err != nil {
+		return err
+	}
+	*x = ConfChangeType(value)
+	return nil
+}
+func (ConfChangeType) EnumDescriptor() ([]byte, []int) { return fileDescriptorRaft, []int{2} }
+
+type Entry struct {
+	Term             uint64    `protobuf:"varint,2,opt,name=Term" json:"Term"`
+	Index            uint64    `protobuf:"varint,3,opt,name=Index" json:"Index"`
+	Type             EntryType `protobuf:"varint,1,opt,name=Type,enum=raftpb.EntryType" json:"Type"`
+	Data             []byte    `protobuf:"bytes,4,opt,name=Data" json:"Data,omitempty"`
+	XXX_unrecognized []byte    `json:"-"`
+}
+
+func (m *Entry) Reset()                    { *m = Entry{} }
+func (m *Entry) String() string            { return proto.CompactTextString(m) }
+func (*Entry) ProtoMessage()               {}
+func (*Entry) Descriptor() ([]byte, []int) { return fileDescriptorRaft, []int{0} }
+
+type SnapshotMetadata struct {
+	ConfState        ConfState `protobuf:"bytes,1,opt,name=conf_state,json=confState" json:"conf_state"`
+	Index            uint64    `protobuf:"varint,2,opt,name=index" json:"index"`
+	Term             uint64    `protobuf:"varint,3,opt,name=term" json:"term"`
+	XXX_unrecognized []byte    `json:"-"`
+}
+
+func (m *SnapshotMetadata) Reset()                    { *m = SnapshotMetadata{} }
+func (m *SnapshotMetadata) String() string            { return proto.CompactTextString(m) }
+func (*SnapshotMetadata) ProtoMessage()               {}
+func (*SnapshotMetadata) Descriptor() ([]byte, []int) { return fileDescriptorRaft, []int{1} }
+
+type Snapshot struct {
+	Data             []byte           `protobuf:"bytes,1,opt,name=data" json:"data,omitempty"`
+	Metadata         SnapshotMetadata `protobuf:"bytes,2,opt,name=metadata" json:"metadata"`
+	XXX_unrecognized []byte           `json:"-"`
+}
+
+func (m *Snapshot) Reset()                    { *m = Snapshot{} }
+func (m *Snapshot) String() string            { return proto.CompactTextString(m) }
+func (*Snapshot) ProtoMessage()               {}
+func (*Snapshot) Descriptor() ([]byte, []int) { return fileDescriptorRaft, []int{2} }
+
+type Message struct {
+	Type             MessageType `protobuf:"varint,1,opt,name=type,enum=raftpb.MessageType" json:"type"`
+	To               uint64      `protobuf:"varint,2,opt,name=to" json:"to"`
+	From             uint64      `protobuf:"varint,3,opt,name=from" json:"from"`
+	Term             uint64      `protobuf:"varint,4,opt,name=term" json:"term"`
+	LogTerm          uint64      `protobuf:"varint,5,opt,name=logTerm" json:"logTerm"`
+	Index            uint64      `protobuf:"varint,6,opt,name=index" json:"index"`
+	Entries          []Entry     `protobuf:"bytes,7,rep,name=entries" json:"entries"`
+	Commit           uint64      `protobuf:"varint,8,opt,name=commit" json:"commit"`
+	Snapshot         Snapshot    `protobuf:"bytes,9,opt,name=snapshot" json:"snapshot"`
+	Reject           bool        `protobuf:"varint,10,opt,name=reject" json:"reject"`
+	RejectHint       uint64      `protobuf:"varint,11,opt,name=rejectHint" json:"rejectHint"`
+	Context          []byte      `protobuf:"bytes,12,opt,name=context" json:"context,omitempty"`
+	XXX_unrecognized []byte      `json:"-"`
+}
+
+func (m *Message) Reset()                    { *m = Message{} }
+func (m *Message) String() string            { return proto.CompactTextString(m) }
+func (*Message) ProtoMessage()               {}
+func (*Message) Descriptor() ([]byte, []int) { return fileDescriptorRaft, []int{3} }
+
+type HardState struct {
+	Term             uint64 `protobuf:"varint,1,opt,name=term" json:"term"`
+	Vote             uint64 `protobuf:"varint,2,opt,name=vote" json:"vote"`
+	Commit           uint64 `protobuf:"varint,3,opt,name=commit" json:"commit"`
+	XXX_unrecognized []byte `json:"-"`
+}
+
+func (m *HardState) Reset()                    { *m = HardState{} }
+func (m *HardState) String() string            { return proto.CompactTextString(m) }
+func (*HardState) ProtoMessage()               {}
+func (*HardState) Descriptor() ([]byte, []int) { return fileDescriptorRaft, []int{4} }
+
+type ConfState struct {
+	Nodes            []uint64 `protobuf:"varint,1,rep,name=nodes" json:"nodes,omitempty"`
+	Learners         []uint64 `protobuf:"varint,2,rep,name=learners" json:"learners,omitempty"`
+	XXX_unrecognized []byte   `json:"-"`
+}
+
+func (m *ConfState) Reset()                    { *m = ConfState{} }
+func (m *ConfState) String() string            { return proto.CompactTextString(m) }
+func (*ConfState) ProtoMessage()               {}
+func (*ConfState) Descriptor() ([]byte, []int) { return fileDescriptorRaft, []int{5} }
+
+type ConfChange struct {
+	ID               uint64         `protobuf:"varint,1,opt,name=ID" json:"ID"`
+	Type             ConfChangeType `protobuf:"varint,2,opt,name=Type,enum=raftpb.ConfChangeType" json:"Type"`
+	NodeID           uint64         `protobuf:"varint,3,opt,name=NodeID" json:"NodeID"`
+	Context          []byte         `protobuf:"bytes,4,opt,name=Context" json:"Context,omitempty"`
+	XXX_unrecognized []byte         `json:"-"`
+}
+
+func (m *ConfChange) Reset()                    { *m = ConfChange{} }
+func (m *ConfChange) String() string            { return proto.CompactTextString(m) }
+func (*ConfChange) ProtoMessage()               {}
+func (*ConfChange) Descriptor() ([]byte, []int) { return fileDescriptorRaft, []int{6} }
+
+func init() {
+	proto.RegisterType((*Entry)(nil), "raftpb.Entry")
+	proto.RegisterType((*SnapshotMetadata)(nil), "raftpb.SnapshotMetadata")
+	proto.RegisterType((*Snapshot)(nil), "raftpb.Snapshot")
+	proto.RegisterType((*Message)(nil), "raftpb.Message")
+	proto.RegisterType((*HardState)(nil), "raftpb.HardState")
+	proto.RegisterType((*ConfState)(nil), "raftpb.ConfState")
+	proto.RegisterType((*ConfChange)(nil), "raftpb.ConfChange")
+	proto.RegisterEnum("raftpb.EntryType", EntryType_name, EntryType_value)
+	proto.RegisterEnum("raftpb.MessageType", MessageType_name, MessageType_value)
+	proto.RegisterEnum("raftpb.ConfChangeType", ConfChangeType_name, ConfChangeType_value)
+}
+func (m *Entry) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Entry) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	dAtA[i] = 0x8
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.Type))
+	dAtA[i] = 0x10
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.Term))
+	dAtA[i] = 0x18
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.Index))
+	if m.Data != nil {
+		dAtA[i] = 0x22
+		i++
+		i = encodeVarintRaft(dAtA, i, uint64(len(m.Data)))
+		i += copy(dAtA[i:], m.Data)
+	}
+	if m.XXX_unrecognized != nil {
+		i += copy(dAtA[i:], m.XXX_unrecognized)
+	}
+	return i, nil
+}
+
+func (m *SnapshotMetadata) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *SnapshotMetadata) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	dAtA[i] = 0xa
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.ConfState.Size()))
+	n1, err := m.ConfState.MarshalTo(dAtA[i:])
+	if err != nil {
+		return 0, err
+	}
+	i += n1
+	dAtA[i] = 0x10
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.Index))
+	dAtA[i] = 0x18
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.Term))
+	if m.XXX_unrecognized != nil {
+		i += copy(dAtA[i:], m.XXX_unrecognized)
+	}
+	return i, nil
+}
+
+func (m *Snapshot) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Snapshot) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.Data != nil {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintRaft(dAtA, i, uint64(len(m.Data)))
+		i += copy(dAtA[i:], m.Data)
+	}
+	dAtA[i] = 0x12
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.Metadata.Size()))
+	n2, err := m.Metadata.MarshalTo(dAtA[i:])
+	if err != nil {
+		return 0, err
+	}
+	i += n2
+	if m.XXX_unrecognized != nil {
+		i += copy(dAtA[i:], m.XXX_unrecognized)
+	}
+	return i, nil
+}
+
+func (m *Message) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Message) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	dAtA[i] = 0x8
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.Type))
+	dAtA[i] = 0x10
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.To))
+	dAtA[i] = 0x18
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.From))
+	dAtA[i] = 0x20
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.Term))
+	dAtA[i] = 0x28
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.LogTerm))
+	dAtA[i] = 0x30
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.Index))
+	if len(m.Entries) > 0 {
+		for _, msg := range m.Entries {
+			dAtA[i] = 0x3a
+			i++
+			i = encodeVarintRaft(dAtA, i, uint64(msg.Size()))
+			n, err := msg.MarshalTo(dAtA[i:])
+			if err != nil {
+				return 0, err
+			}
+			i += n
+		}
+	}
+	dAtA[i] = 0x40
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.Commit))
+	dAtA[i] = 0x4a
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.Snapshot.Size()))
+	n3, err := m.Snapshot.MarshalTo(dAtA[i:])
+	if err != nil {
+		return 0, err
+	}
+	i += n3
+	dAtA[i] = 0x50
+	i++
+	if m.Reject {
+		dAtA[i] = 1
+	} else {
+		dAtA[i] = 0
+	}
+	i++
+	dAtA[i] = 0x58
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.RejectHint))
+	if m.Context != nil {
+		dAtA[i] = 0x62
+		i++
+		i = encodeVarintRaft(dAtA, i, uint64(len(m.Context)))
+		i += copy(dAtA[i:], m.Context)
+	}
+	if m.XXX_unrecognized != nil {
+		i += copy(dAtA[i:], m.XXX_unrecognized)
+	}
+	return i, nil
+}
+
+func (m *HardState) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *HardState) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	dAtA[i] = 0x8
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.Term))
+	dAtA[i] = 0x10
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.Vote))
+	dAtA[i] = 0x18
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.Commit))
+	if m.XXX_unrecognized != nil {
+		i += copy(dAtA[i:], m.XXX_unrecognized)
+	}
+	return i, nil
+}
+
+func (m *ConfState) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ConfState) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Nodes) > 0 {
+		for _, num := range m.Nodes {
+			dAtA[i] = 0x8
+			i++
+			i = encodeVarintRaft(dAtA, i, uint64(num))
+		}
+	}
+	if len(m.Learners) > 0 {
+		for _, num := range m.Learners {
+			dAtA[i] = 0x10
+			i++
+			i = encodeVarintRaft(dAtA, i, uint64(num))
+		}
+	}
+	if m.XXX_unrecognized != nil {
+		i += copy(dAtA[i:], m.XXX_unrecognized)
+	}
+	return i, nil
+}
+
+func (m *ConfChange) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ConfChange) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	dAtA[i] = 0x8
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.ID))
+	dAtA[i] = 0x10
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.Type))
+	dAtA[i] = 0x18
+	i++
+	i = encodeVarintRaft(dAtA, i, uint64(m.NodeID))
+	if m.Context != nil {
+		dAtA[i] = 0x22
+		i++
+		i = encodeVarintRaft(dAtA, i, uint64(len(m.Context)))
+		i += copy(dAtA[i:], m.Context)
+	}
+	if m.XXX_unrecognized != nil {
+		i += copy(dAtA[i:], m.XXX_unrecognized)
+	}
+	return i, nil
+}
+
+func encodeVarintRaft(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *Entry) Size() (n int) {
+	var l int
+	_ = l
+	n += 1 + sovRaft(uint64(m.Type))
+	n += 1 + sovRaft(uint64(m.Term))
+	n += 1 + sovRaft(uint64(m.Index))
+	if m.Data != nil {
+		l = len(m.Data)
+		n += 1 + l + sovRaft(uint64(l))
+	}
+	if m.XXX_unrecognized != nil {
+		n += len(m.XXX_unrecognized)
+	}
+	return n
+}
+
+func (m *SnapshotMetadata) Size() (n int) {
+	var l int
+	_ = l
+	l = m.ConfState.Size()
+	n += 1 + l + sovRaft(uint64(l))
+	n += 1 + sovRaft(uint64(m.Index))
+	n += 1 + sovRaft(uint64(m.Term))
+	if m.XXX_unrecognized != nil {
+		n += len(m.XXX_unrecognized)
+	}
+	return n
+}
+
+func (m *Snapshot) Size() (n int) {
+	var l int
+	_ = l
+	if m.Data != nil {
+		l = len(m.Data)
+		n += 1 + l + sovRaft(uint64(l))
+	}
+	l = m.Metadata.Size()
+	n += 1 + l + sovRaft(uint64(l))
+	if m.XXX_unrecognized != nil {
+		n += len(m.XXX_unrecognized)
+	}
+	return n
+}
+
+func (m *Message) Size() (n int) {
+	var l int
+	_ = l
+	n += 1 + sovRaft(uint64(m.Type))
+	n += 1 + sovRaft(uint64(m.To))
+	n += 1 + sovRaft(uint64(m.From))
+	n += 1 + sovRaft(uint64(m.Term))
+	n += 1 + sovRaft(uint64(m.LogTerm))
+	n += 1 + sovRaft(uint64(m.Index))
+	if len(m.Entries) > 0 {
+		for _, e := range m.Entries {
+			l = e.Size()
+			n += 1 + l + sovRaft(uint64(l))
+		}
+	}
+	n += 1 + sovRaft(uint64(m.Commit))
+	l = m.Snapshot.Size()
+	n += 1 + l + sovRaft(uint64(l))
+	n += 2
+	n += 1 + sovRaft(uint64(m.RejectHint))
+	if m.Context != nil {
+		l = len(m.Context)
+		n += 1 + l + sovRaft(uint64(l))
+	}
+	if m.XXX_unrecognized != nil {
+		n += len(m.XXX_unrecognized)
+	}
+	return n
+}
+
+func (m *HardState) Size() (n int) {
+	var l int
+	_ = l
+	n += 1 + sovRaft(uint64(m.Term))
+	n += 1 + sovRaft(uint64(m.Vote))
+	n += 1 + sovRaft(uint64(m.Commit))
+	if m.XXX_unrecognized != nil {
+		n += len(m.XXX_unrecognized)
+	}
+	return n
+}
+
+func (m *ConfState) Size() (n int) {
+	var l int
+	_ = l
+	if len(m.Nodes) > 0 {
+		for _, e := range m.Nodes {
+			n += 1 + sovRaft(uint64(e))
+		}
+	}
+	if len(m.Learners) > 0 {
+		for _, e := range m.Learners {
+			n += 1 + sovRaft(uint64(e))
+		}
+	}
+	if m.XXX_unrecognized != nil {
+		n += len(m.XXX_unrecognized)
+	}
+	return n
+}
+
+func (m *ConfChange) Size() (n int) {
+	var l int
+	_ = l
+	n += 1 + sovRaft(uint64(m.ID))
+	n += 1 + sovRaft(uint64(m.Type))
+	n += 1 + sovRaft(uint64(m.NodeID))
+	if m.Context != nil {
+		l = len(m.Context)
+		n += 1 + l + sovRaft(uint64(l))
+	}
+	if m.XXX_unrecognized != nil {
+		n += len(m.XXX_unrecognized)
+	}
+	return n
+}
+
+func sovRaft(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozRaft(x uint64) (n int) {
+	return sovRaft(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (m *Entry) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowRaft
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Entry: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Entry: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Type", wireType)
+			}
+			m.Type = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Type |= (EntryType(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Term", wireType)
+			}
+			m.Term = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Term |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Index", wireType)
+			}
+			m.Index = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Index |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Data", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthRaft
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Data = append(m.Data[:0], dAtA[iNdEx:postIndex]...)
+			if m.Data == nil {
+				m.Data = []byte{}
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipRaft(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthRaft
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *SnapshotMetadata) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowRaft
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: SnapshotMetadata: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: SnapshotMetadata: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ConfState", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthRaft
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := m.ConfState.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Index", wireType)
+			}
+			m.Index = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Index |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Term", wireType)
+			}
+			m.Term = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Term |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipRaft(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthRaft
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *Snapshot) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowRaft
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Snapshot: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Snapshot: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Data", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthRaft
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Data = append(m.Data[:0], dAtA[iNdEx:postIndex]...)
+			if m.Data == nil {
+				m.Data = []byte{}
+			}
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Metadata", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthRaft
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := m.Metadata.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipRaft(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthRaft
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *Message) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowRaft
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Message: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Message: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Type", wireType)
+			}
+			m.Type = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Type |= (MessageType(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field To", wireType)
+			}
+			m.To = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.To |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field From", wireType)
+			}
+			m.From = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.From |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 4:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Term", wireType)
+			}
+			m.Term = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Term |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 5:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field LogTerm", wireType)
+			}
+			m.LogTerm = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.LogTerm |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 6:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Index", wireType)
+			}
+			m.Index = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Index |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 7:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Entries", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthRaft
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Entries = append(m.Entries, Entry{})
+			if err := m.Entries[len(m.Entries)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 8:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Commit", wireType)
+			}
+			m.Commit = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Commit |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 9:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Snapshot", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthRaft
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := m.Snapshot.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 10:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Reject", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.Reject = bool(v != 0)
+		case 11:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field RejectHint", wireType)
+			}
+			m.RejectHint = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.RejectHint |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 12:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Context", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthRaft
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Context = append(m.Context[:0], dAtA[iNdEx:postIndex]...)
+			if m.Context == nil {
+				m.Context = []byte{}
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipRaft(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthRaft
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *HardState) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowRaft
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: HardState: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: HardState: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Term", wireType)
+			}
+			m.Term = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Term |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Vote", wireType)
+			}
+			m.Vote = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Vote |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Commit", wireType)
+			}
+			m.Commit = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Commit |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipRaft(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthRaft
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *ConfState) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowRaft
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ConfState: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ConfState: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType == 0 {
+				var v uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return ErrIntOverflowRaft
+					}
+					if iNdEx >= l {
+						return io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					v |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				m.Nodes = append(m.Nodes, v)
+			} else if wireType == 2 {
+				var packedLen int
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return ErrIntOverflowRaft
+					}
+					if iNdEx >= l {
+						return io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					packedLen |= (int(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				if packedLen < 0 {
+					return ErrInvalidLengthRaft
+				}
+				postIndex := iNdEx + packedLen
+				if postIndex > l {
+					return io.ErrUnexpectedEOF
+				}
+				for iNdEx < postIndex {
+					var v uint64
+					for shift := uint(0); ; shift += 7 {
+						if shift >= 64 {
+							return ErrIntOverflowRaft
+						}
+						if iNdEx >= l {
+							return io.ErrUnexpectedEOF
+						}
+						b := dAtA[iNdEx]
+						iNdEx++
+						v |= (uint64(b) & 0x7F) << shift
+						if b < 0x80 {
+							break
+						}
+					}
+					m.Nodes = append(m.Nodes, v)
+				}
+			} else {
+				return fmt.Errorf("proto: wrong wireType = %d for field Nodes", wireType)
+			}
+		case 2:
+			if wireType == 0 {
+				var v uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return ErrIntOverflowRaft
+					}
+					if iNdEx >= l {
+						return io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					v |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				m.Learners = append(m.Learners, v)
+			} else if wireType == 2 {
+				var packedLen int
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return ErrIntOverflowRaft
+					}
+					if iNdEx >= l {
+						return io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					packedLen |= (int(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				if packedLen < 0 {
+					return ErrInvalidLengthRaft
+				}
+				postIndex := iNdEx + packedLen
+				if postIndex > l {
+					return io.ErrUnexpectedEOF
+				}
+				for iNdEx < postIndex {
+					var v uint64
+					for shift := uint(0); ; shift += 7 {
+						if shift >= 64 {
+							return ErrIntOverflowRaft
+						}
+						if iNdEx >= l {
+							return io.ErrUnexpectedEOF
+						}
+						b := dAtA[iNdEx]
+						iNdEx++
+						v |= (uint64(b) & 0x7F) << shift
+						if b < 0x80 {
+							break
+						}
+					}
+					m.Learners = append(m.Learners, v)
+				}
+			} else {
+				return fmt.Errorf("proto: wrong wireType = %d for field Learners", wireType)
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipRaft(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthRaft
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *ConfChange) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowRaft
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ConfChange: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ConfChange: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			m.ID = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.ID |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Type", wireType)
+			}
+			m.Type = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Type |= (ConfChangeType(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field NodeID", wireType)
+			}
+			m.NodeID = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.NodeID |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Context", wireType)
+			}
+			var byteLen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				byteLen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if byteLen < 0 {
+				return ErrInvalidLengthRaft
+			}
+			postIndex := iNdEx + byteLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Context = append(m.Context[:0], dAtA[iNdEx:postIndex]...)
+			if m.Context == nil {
+				m.Context = []byte{}
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipRaft(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthRaft
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipRaft(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowRaft
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowRaft
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthRaft
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowRaft
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipRaft(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthRaft = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowRaft   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() { proto.RegisterFile("raft.proto", fileDescriptorRaft) }
+
+var fileDescriptorRaft = []byte{
+	// 815 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x64, 0x54, 0xcd, 0x6e, 0x23, 0x45,
+	0x10, 0xf6, 0x8c, 0xc7, 0x7f, 0x35, 0x8e, 0xd3, 0xa9, 0x35, 0xa8, 0x15, 0x45, 0xc6, 0xb2, 0x38,
+	0x58, 0x41, 0x1b, 0x20, 0x07, 0x0e, 0x48, 0x1c, 0x36, 0x09, 0x52, 0x22, 0xad, 0xa3, 0xc5, 0x9b,
+	0xe5, 0x80, 0x84, 0x50, 0xc7, 0x53, 0x9e, 0x18, 0x32, 0xd3, 0xa3, 0x9e, 0xf6, 0xb2, 0xb9, 0x20,
+	0x1e, 0x80, 0x07, 0xe0, 0xc2, 0xfb, 0xe4, 0xb8, 0x12, 0x77, 0xc4, 0x86, 0x17, 0x41, 0xdd, 0xd3,
+	0x63, 0xcf, 0x24, 0xb7, 0xae, 0xef, 0xab, 0xae, 0xfa, 0xea, 0xeb, 0x9a, 0x01, 0x50, 0x62, 0xa9,
+	0x8f, 0x32, 0x25, 0xb5, 0xc4, 0xb6, 0x39, 0x67, 0xd7, 0xfb, 0xc3, 0x58, 0xc6, 0xd2, 0x42, 0x9f,
+	0x9b, 0x53, 0xc1, 0x4e, 0x7e, 0x83, 0xd6, 0xb7, 0xa9, 0x56, 0x77, 0xf8, 0x19, 0x04, 0x57, 0x77,
+	0x19, 0x71, 0x6f, 0xec, 0x4d, 0x07, 0xc7, 0x7b, 0x47, 0xc5, 0xad, 0x23, 0x4b, 0x1a, 0xe2, 0x24,
+	0xb8, 0xff, 0xe7, 0x93, 0xc6, 0xdc, 0x26, 0x21, 0x87, 0xe0, 0x8a, 0x54, 0xc2, 0xfd, 0xb1, 0x37,
+	0x0d, 0x36, 0x0c, 0xa9, 0x04, 0xf7, 0xa1, 0x75, 0x91, 0x46, 0xf4, 0x8e, 0x37, 0x2b, 0x54, 0x01,
+	0x21, 0x42, 0x70, 0x26, 0xb4, 0xe0, 0xc1, 0xd8, 0x9b, 0xf6, 0xe7, 0xf6, 0x3c, 0xf9, 0xdd, 0x03,
+	0xf6, 0x3a, 0x15, 0x59, 0x7e, 0x23, 0xf5, 0x8c, 0xb4, 0x88, 0x84, 0x16, 0xf8, 0x15, 0xc0, 0x42,
+	0xa6, 0xcb, 0x9f, 0x72, 0x2d, 0x74, 0xa1, 0x28, 0xdc, 0x2a, 0x3a, 0x95, 0xe9, 0xf2, 0xb5, 0x21,
+	0x5c, 0xf1, 0xde, 0xa2, 0x04, 0x4c, 0xf3, 0x95, 0x6d, 0x5e, 0xd5, 0x55, 0x40, 0x46, 0xb2, 0x36,
+	0x92, 0xab, 0xba, 0x2c, 0x32, 0xf9, 0x01, 0xba, 0xa5, 0x02, 0x23, 0xd1, 0x28, 0xb0, 0x3d, 0xfb,
+	0x73, 0x7b, 0xc6, 0xaf, 0xa1, 0x9b, 0x38, 0x65, 0xb6, 0x70, 0x78, 0xcc, 0x4b, 0x2d, 0x8f, 0x95,
+	0xbb, 0xba, 0x9b, 0xfc, 0xc9, 0x5f, 0x4d, 0xe8, 0xcc, 0x28, 0xcf, 0x45, 0x4c, 0xf8, 0x1c, 0x02,
+	0xbd, 0x75, 0xf8, 0x59, 0x59, 0xc3, 0xd1, 0x55, 0x8f, 0x4d, 0x1a, 0x0e, 0xc1, 0xd7, 0xb2, 0x36,
+	0x89, 0xaf, 0xa5, 0x19, 0x63, 0xa9, 0xe4, 0xa3, 0x31, 0x0c, 0xb2, 0x19, 0x30, 0x78, 0x3c, 0x20,
+	0x8e, 0xa0, 0x73, 0x2b, 0x63, 0xfb, 0x60, 0xad, 0x0a, 0x59, 0x82, 0x5b, 0xdb, 0xda, 0x4f, 0x6d,
+	0x7b, 0x0e, 0x1d, 0x4a, 0xb5, 0x5a, 0x51, 0xce, 0x3b, 0xe3, 0xe6, 0x34, 0x3c, 0xde, 0xa9, 0x6d,
+	0x46, 0x59, 0xca, 0xe5, 0xe0, 0x01, 0xb4, 0x17, 0x32, 0x49, 0x56, 0x9a, 0x77, 0x2b, 0xb5, 0x1c,
+	0x86, 0xc7, 0xd0, 0xcd, 0x9d, 0x63, 0xbc, 0x67, 0x9d, 0x64, 0x8f, 0x9d, 0x2c, 0x1d, 0x2c, 0xf3,
+	0x4c, 0x45, 0x45, 0x3f, 0xd3, 0x42, 0x73, 0x18, 0x7b, 0xd3, 0x6e, 0x59, 0xb1, 0xc0, 0xf0, 0x53,
+	0x80, 0xe2, 0x74, 0xbe, 0x4a, 0x35, 0x0f, 0x2b, 0x3d, 0x2b, 0x38, 0x72, 0xe8, 0x2c, 0x64, 0xaa,
+	0xe9, 0x9d, 0xe6, 0x7d, 0xfb, 0xb0, 0x65, 0x38, 0xf9, 0x11, 0x7a, 0xe7, 0x42, 0x45, 0xc5, 0xfa,
+	0x94, 0x0e, 0x7a, 0x4f, 0x1c, 0xe4, 0x10, 0xbc, 0x95, 0x9a, 0xea, 0xfb, 0x6e, 0x90, 0xca, 0xc0,
+	0xcd, 0xa7, 0x03, 0x4f, 0xbe, 0x81, 0xde, 0x66, 0x5d, 0x71, 0x08, 0xad, 0x54, 0x46, 0x94, 0x73,
+	0x6f, 0xdc, 0x9c, 0x06, 0xf3, 0x22, 0xc0, 0x7d, 0xe8, 0xde, 0x92, 0x50, 0x29, 0xa9, 0x9c, 0xfb,
+	0x96, 0xd8, 0xc4, 0x93, 0x3f, 0x3c, 0x00, 0x73, 0xff, 0xf4, 0x46, 0xa4, 0xb1, 0xdd, 0x88, 0x8b,
+	0xb3, 0x9a, 0x3a, 0xff, 0xe2, 0x0c, 0xbf, 0x70, 0x1f, 0xae, 0x6f, 0xd7, 0xea, 0xe3, 0xea, 0x67,
+	0x52, 0xdc, 0x7b, 0xf2, 0xf5, 0x1e, 0x40, 0xfb, 0x52, 0x46, 0x74, 0x71, 0x56, 0xd7, 0x5c, 0x60,
+	0xc6, 0xac, 0x53, 0x67, 0x56, 0xf1, 0xa1, 0x96, 0xe1, 0xe1, 0x97, 0xd0, 0xdb, 0xfc, 0x0e, 0x70,
+	0x17, 0x42, 0x1b, 0x5c, 0x4a, 0x95, 0x88, 0x5b, 0xd6, 0xc0, 0x67, 0xb0, 0x6b, 0x81, 0x6d, 0x63,
+	0xe6, 0x1d, 0xfe, 0xed, 0x43, 0x58, 0x59, 0x70, 0x04, 0x68, 0xcf, 0xf2, 0xf8, 0x7c, 0x9d, 0xb1,
+	0x06, 0x86, 0xd0, 0x99, 0xe5, 0xf1, 0x09, 0x09, 0xcd, 0x3c, 0x17, 0xbc, 0x52, 0x32, 0x63, 0xbe,
+	0xcb, 0x7a, 0x91, 0x65, 0xac, 0x89, 0x03, 0x80, 0xe2, 0x3c, 0xa7, 0x3c, 0x63, 0x81, 0x4b, 0xfc,
+	0x5e, 0x6a, 0x62, 0x2d, 0x23, 0xc2, 0x05, 0x96, 0x6d, 0x3b, 0xd6, 0x2c, 0x13, 0xeb, 0x20, 0x83,
+	0xbe, 0x69, 0x46, 0x42, 0xe9, 0x6b, 0xd3, 0xa5, 0x8b, 0x43, 0x60, 0x55, 0xc4, 0x5e, 0xea, 0x21,
+	0xc2, 0x60, 0x96, 0xc7, 0x6f, 0x52, 0x45, 0x62, 0x71, 0x23, 0xae, 0x6f, 0x89, 0x01, 0xee, 0xc1,
+	0x8e, 0x2b, 0x64, 0x1e, 0x6f, 0x9d, 0xb3, 0xd0, 0xa5, 0x9d, 0xde, 0xd0, 0xe2, 0x97, 0xef, 0xd6,
+	0x52, 0xad, 0x13, 0xd6, 0xc7, 0x8f, 0x60, 0x6f, 0x96, 0xc7, 0x57, 0x4a, 0xa4, 0xf9, 0x92, 0xd4,
+	0x4b, 0x12, 0x11, 0x29, 0xb6, 0xe3, 0x6e, 0x5f, 0xad, 0x12, 0x92, 0x6b, 0x7d, 0x29, 0x7f, 0x65,
+	0x03, 0x27, 0x66, 0x4e, 0x22, 0xb2, 0x3f, 0x43, 0xb6, 0xeb, 0xc4, 0x6c, 0x10, 0x2b, 0x86, 0xb9,
+	0x79, 0x5f, 0x29, 0xb2, 0x23, 0xee, 0xb9, 0xae, 0x2e, 0xb6, 0x39, 0x78, 0x78, 0x07, 0x83, 0xfa,
+	0xf3, 0x1a, 0x1d, 0x5b, 0xe4, 0x45, 0x14, 0x99, 0xb7, 0x64, 0x0d, 0xe4, 0x30, 0xdc, 0xc2, 0x73,
+	0x4a, 0xe4, 0x5b, 0xb2, 0x8c, 0x57, 0x67, 0xde, 0x64, 0x91, 0xd0, 0x05, 0xe3, 0xe3, 0x01, 0xf0,
+	0x5a, 0xa9, 0x97, 0xc5, 0x36, 0x5a, 0xb6, 0x79, 0xc2, 0xef, 0x3f, 0x8c, 0x1a, 0xef, 0x3f, 0x8c,
+	0x1a, 0xf7, 0x0f, 0x23, 0xef, 0xfd, 0xc3, 0xc8, 0xfb, 0xf7, 0x61, 0xe4, 0xfd, 0xf9, 0xdf, 0xa8,
+	0xf1, 0x7f, 0x00, 0x00, 0x00, 0xff, 0xff, 0x86, 0x52, 0x5b, 0xe0, 0x74, 0x06, 0x00, 0x00,
+}
diff --git a/vendor/go.etcd.io/etcd/raft/raftpb/raft.proto b/vendor/go.etcd.io/etcd/raft/raftpb/raft.proto
new file mode 100644
index 0000000..644ce7b
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/raft/raftpb/raft.proto
@@ -0,0 +1,95 @@
+syntax = "proto2";
+package raftpb;
+
+import "gogoproto/gogo.proto";
+
+option (gogoproto.marshaler_all) = true;
+option (gogoproto.sizer_all) = true;
+option (gogoproto.unmarshaler_all) = true;
+option (gogoproto.goproto_getters_all) = false;
+option (gogoproto.goproto_enum_prefix_all) = false;
+
+enum EntryType {
+	EntryNormal     = 0;
+	EntryConfChange = 1;
+}
+
+message Entry {
+	optional uint64     Term  = 2 [(gogoproto.nullable) = false]; // must be 64-bit aligned for atomic operations
+	optional uint64     Index = 3 [(gogoproto.nullable) = false]; // must be 64-bit aligned for atomic operations
+	optional EntryType  Type  = 1 [(gogoproto.nullable) = false];
+	optional bytes      Data  = 4;
+}
+
+message SnapshotMetadata {
+	optional ConfState conf_state = 1 [(gogoproto.nullable) = false];
+	optional uint64    index      = 2 [(gogoproto.nullable) = false];
+	optional uint64    term       = 3 [(gogoproto.nullable) = false];
+}
+
+message Snapshot {
+	optional bytes            data     = 1;
+	optional SnapshotMetadata metadata = 2 [(gogoproto.nullable) = false];
+}
+
+enum MessageType {
+	MsgHup             = 0;
+	MsgBeat            = 1;
+	MsgProp            = 2;
+	MsgApp             = 3;
+	MsgAppResp         = 4;
+	MsgVote            = 5;
+	MsgVoteResp        = 6;
+	MsgSnap            = 7;
+	MsgHeartbeat       = 8;
+	MsgHeartbeatResp   = 9;
+	MsgUnreachable     = 10;
+	MsgSnapStatus      = 11;
+	MsgCheckQuorum     = 12;
+	MsgTransferLeader  = 13;
+	MsgTimeoutNow      = 14;
+	MsgReadIndex       = 15;
+	MsgReadIndexResp   = 16;
+	MsgPreVote         = 17;
+	MsgPreVoteResp     = 18;
+}
+
+message Message {
+	optional MessageType type        = 1  [(gogoproto.nullable) = false];
+	optional uint64      to          = 2  [(gogoproto.nullable) = false];
+	optional uint64      from        = 3  [(gogoproto.nullable) = false];
+	optional uint64      term        = 4  [(gogoproto.nullable) = false];
+	optional uint64      logTerm     = 5  [(gogoproto.nullable) = false];
+	optional uint64      index       = 6  [(gogoproto.nullable) = false];
+	repeated Entry       entries     = 7  [(gogoproto.nullable) = false];
+	optional uint64      commit      = 8  [(gogoproto.nullable) = false];
+	optional Snapshot    snapshot    = 9  [(gogoproto.nullable) = false];
+	optional bool        reject      = 10 [(gogoproto.nullable) = false];
+	optional uint64      rejectHint  = 11 [(gogoproto.nullable) = false];
+	optional bytes       context     = 12;
+}
+
+message HardState {
+	optional uint64 term   = 1 [(gogoproto.nullable) = false];
+	optional uint64 vote   = 2 [(gogoproto.nullable) = false];
+	optional uint64 commit = 3 [(gogoproto.nullable) = false];
+}
+
+message ConfState {
+	repeated uint64 nodes    = 1;
+	repeated uint64 learners = 2;
+}
+
+enum ConfChangeType {
+	ConfChangeAddNode        = 0;
+	ConfChangeRemoveNode     = 1;
+	ConfChangeUpdateNode     = 2;
+	ConfChangeAddLearnerNode = 3;
+}
+
+message ConfChange {
+	optional uint64          ID      = 1 [(gogoproto.nullable) = false];
+	optional ConfChangeType  Type    = 2 [(gogoproto.nullable) = false];
+	optional uint64          NodeID  = 3 [(gogoproto.nullable) = false];
+	optional bytes           Context = 4;
+}
diff --git a/vendor/go.etcd.io/etcd/raft/rawnode.go b/vendor/go.etcd.io/etcd/raft/rawnode.go
new file mode 100644
index 0000000..d7a272d
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/raft/rawnode.go
@@ -0,0 +1,295 @@
+// Copyright 2015 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package raft
+
+import (
+	"errors"
+
+	pb "go.etcd.io/etcd/raft/raftpb"
+)
+
+// ErrStepLocalMsg is returned when try to step a local raft message
+var ErrStepLocalMsg = errors.New("raft: cannot step raft local message")
+
+// ErrStepPeerNotFound is returned when try to step a response message
+// but there is no peer found in raft.prs for that node.
+var ErrStepPeerNotFound = errors.New("raft: cannot step as peer not found")
+
+// RawNode is a thread-unsafe Node.
+// The methods of this struct correspond to the methods of Node and are described
+// more fully there.
+type RawNode struct {
+	raft       *raft
+	prevSoftSt *SoftState
+	prevHardSt pb.HardState
+}
+
+func (rn *RawNode) newReady() Ready {
+	return newReady(rn.raft, rn.prevSoftSt, rn.prevHardSt)
+}
+
+func (rn *RawNode) commitReady(rd Ready) {
+	if rd.SoftState != nil {
+		rn.prevSoftSt = rd.SoftState
+	}
+	if !IsEmptyHardState(rd.HardState) {
+		rn.prevHardSt = rd.HardState
+	}
+
+	// If entries were applied (or a snapshot), update our cursor for
+	// the next Ready. Note that if the current HardState contains a
+	// new Commit index, this does not mean that we're also applying
+	// all of the new entries due to commit pagination by size.
+	if index := rd.appliedCursor(); index > 0 {
+		rn.raft.raftLog.appliedTo(index)
+	}
+
+	if len(rd.Entries) > 0 {
+		e := rd.Entries[len(rd.Entries)-1]
+		rn.raft.raftLog.stableTo(e.Index, e.Term)
+	}
+	if !IsEmptySnap(rd.Snapshot) {
+		rn.raft.raftLog.stableSnapTo(rd.Snapshot.Metadata.Index)
+	}
+	if len(rd.ReadStates) != 0 {
+		rn.raft.readStates = nil
+	}
+}
+
+// NewRawNode returns a new RawNode given configuration and a list of raft peers.
+func NewRawNode(config *Config, peers []Peer) (*RawNode, error) {
+	if config.ID == 0 {
+		panic("config.ID must not be zero")
+	}
+	r := newRaft(config)
+	rn := &RawNode{
+		raft: r,
+	}
+	lastIndex, err := config.Storage.LastIndex()
+	if err != nil {
+		panic(err) // TODO(bdarnell)
+	}
+	// If the log is empty, this is a new RawNode (like StartNode); otherwise it's
+	// restoring an existing RawNode (like RestartNode).
+	// TODO(bdarnell): rethink RawNode initialization and whether the application needs
+	// to be able to tell us when it expects the RawNode to exist.
+	if lastIndex == 0 {
+		r.becomeFollower(1, None)
+		ents := make([]pb.Entry, len(peers))
+		for i, peer := range peers {
+			cc := pb.ConfChange{Type: pb.ConfChangeAddNode, NodeID: peer.ID, Context: peer.Context}
+			data, err := cc.Marshal()
+			if err != nil {
+				panic("unexpected marshal error")
+			}
+
+			ents[i] = pb.Entry{Type: pb.EntryConfChange, Term: 1, Index: uint64(i + 1), Data: data}
+		}
+		r.raftLog.append(ents...)
+		r.raftLog.committed = uint64(len(ents))
+		for _, peer := range peers {
+			r.addNode(peer.ID)
+		}
+	}
+
+	// Set the initial hard and soft states after performing all initialization.
+	rn.prevSoftSt = r.softState()
+	if lastIndex == 0 {
+		rn.prevHardSt = emptyState
+	} else {
+		rn.prevHardSt = r.hardState()
+	}
+
+	return rn, nil
+}
+
+// Tick advances the internal logical clock by a single tick.
+func (rn *RawNode) Tick() {
+	rn.raft.tick()
+}
+
+// TickQuiesced advances the internal logical clock by a single tick without
+// performing any other state machine processing. It allows the caller to avoid
+// periodic heartbeats and elections when all of the peers in a Raft group are
+// known to be at the same state. Expected usage is to periodically invoke Tick
+// or TickQuiesced depending on whether the group is "active" or "quiesced".
+//
+// WARNING: Be very careful about using this method as it subverts the Raft
+// state machine. You should probably be using Tick instead.
+func (rn *RawNode) TickQuiesced() {
+	rn.raft.electionElapsed++
+}
+
+// Campaign causes this RawNode to transition to candidate state.
+func (rn *RawNode) Campaign() error {
+	return rn.raft.Step(pb.Message{
+		Type: pb.MsgHup,
+	})
+}
+
+// Propose proposes data be appended to the raft log.
+func (rn *RawNode) Propose(data []byte) error {
+	return rn.raft.Step(pb.Message{
+		Type: pb.MsgProp,
+		From: rn.raft.id,
+		Entries: []pb.Entry{
+			{Data: data},
+		}})
+}
+
+// ProposeConfChange proposes a config change.
+func (rn *RawNode) ProposeConfChange(cc pb.ConfChange) error {
+	data, err := cc.Marshal()
+	if err != nil {
+		return err
+	}
+	return rn.raft.Step(pb.Message{
+		Type: pb.MsgProp,
+		Entries: []pb.Entry{
+			{Type: pb.EntryConfChange, Data: data},
+		},
+	})
+}
+
+// ApplyConfChange applies a config change to the local node.
+func (rn *RawNode) ApplyConfChange(cc pb.ConfChange) *pb.ConfState {
+	if cc.NodeID == None {
+		return &pb.ConfState{Nodes: rn.raft.nodes(), Learners: rn.raft.learnerNodes()}
+	}
+	switch cc.Type {
+	case pb.ConfChangeAddNode:
+		rn.raft.addNode(cc.NodeID)
+	case pb.ConfChangeAddLearnerNode:
+		rn.raft.addLearner(cc.NodeID)
+	case pb.ConfChangeRemoveNode:
+		rn.raft.removeNode(cc.NodeID)
+	case pb.ConfChangeUpdateNode:
+	default:
+		panic("unexpected conf type")
+	}
+	return &pb.ConfState{Nodes: rn.raft.nodes(), Learners: rn.raft.learnerNodes()}
+}
+
+// Step advances the state machine using the given message.
+func (rn *RawNode) Step(m pb.Message) error {
+	// ignore unexpected local messages receiving over network
+	if IsLocalMsg(m.Type) {
+		return ErrStepLocalMsg
+	}
+	if pr := rn.raft.getProgress(m.From); pr != nil || !IsResponseMsg(m.Type) {
+		return rn.raft.Step(m)
+	}
+	return ErrStepPeerNotFound
+}
+
+// Ready returns the current point-in-time state of this RawNode.
+func (rn *RawNode) Ready() Ready {
+	rd := rn.newReady()
+	rn.raft.msgs = nil
+	rn.raft.reduceUncommittedSize(rd.CommittedEntries)
+	return rd
+}
+
+// HasReady called when RawNode user need to check if any Ready pending.
+// Checking logic in this method should be consistent with Ready.containsUpdates().
+func (rn *RawNode) HasReady() bool {
+	r := rn.raft
+	if !r.softState().equal(rn.prevSoftSt) {
+		return true
+	}
+	if hardSt := r.hardState(); !IsEmptyHardState(hardSt) && !isHardStateEqual(hardSt, rn.prevHardSt) {
+		return true
+	}
+	if r.raftLog.unstable.snapshot != nil && !IsEmptySnap(*r.raftLog.unstable.snapshot) {
+		return true
+	}
+	if len(r.msgs) > 0 || len(r.raftLog.unstableEntries()) > 0 || r.raftLog.hasNextEnts() {
+		return true
+	}
+	if len(r.readStates) != 0 {
+		return true
+	}
+	return false
+}
+
+// Advance notifies the RawNode that the application has applied and saved progress in the
+// last Ready results.
+func (rn *RawNode) Advance(rd Ready) {
+	rn.commitReady(rd)
+}
+
+// Status returns the current status of the given group.
+func (rn *RawNode) Status() *Status {
+	status := getStatus(rn.raft)
+	return &status
+}
+
+// StatusWithoutProgress returns a Status without populating the Progress field
+// (and returns the Status as a value to avoid forcing it onto the heap). This
+// is more performant if the Progress is not required. See WithProgress for an
+// allocation-free way to introspect the Progress.
+func (rn *RawNode) StatusWithoutProgress() Status {
+	return getStatusWithoutProgress(rn.raft)
+}
+
+// ProgressType indicates the type of replica a Progress corresponds to.
+type ProgressType byte
+
+const (
+	// ProgressTypePeer accompanies a Progress for a regular peer replica.
+	ProgressTypePeer ProgressType = iota
+	// ProgressTypeLearner accompanies a Progress for a learner replica.
+	ProgressTypeLearner
+)
+
+// WithProgress is a helper to introspect the Progress for this node and its
+// peers.
+func (rn *RawNode) WithProgress(visitor func(id uint64, typ ProgressType, pr Progress)) {
+	for id, pr := range rn.raft.prs {
+		pr := *pr
+		pr.ins = nil
+		visitor(id, ProgressTypePeer, pr)
+	}
+	for id, pr := range rn.raft.learnerPrs {
+		pr := *pr
+		pr.ins = nil
+		visitor(id, ProgressTypeLearner, pr)
+	}
+}
+
+// ReportUnreachable reports the given node is not reachable for the last send.
+func (rn *RawNode) ReportUnreachable(id uint64) {
+	_ = rn.raft.Step(pb.Message{Type: pb.MsgUnreachable, From: id})
+}
+
+// ReportSnapshot reports the status of the sent snapshot.
+func (rn *RawNode) ReportSnapshot(id uint64, status SnapshotStatus) {
+	rej := status == SnapshotFailure
+
+	_ = rn.raft.Step(pb.Message{Type: pb.MsgSnapStatus, From: id, Reject: rej})
+}
+
+// TransferLeader tries to transfer leadership to the given transferee.
+func (rn *RawNode) TransferLeader(transferee uint64) {
+	_ = rn.raft.Step(pb.Message{Type: pb.MsgTransferLeader, From: transferee})
+}
+
+// ReadIndex requests a read state. The read state will be set in ready.
+// Read State has a read index. Once the application advances further than the read
+// index, any linearizable read requests issued before the read request can be
+// processed safely. The read state will have the same rctx attached.
+func (rn *RawNode) ReadIndex(rctx []byte) {
+	_ = rn.raft.Step(pb.Message{Type: pb.MsgReadIndex, Entries: []pb.Entry{{Data: rctx}}})
+}
diff --git a/vendor/go.etcd.io/etcd/raft/read_only.go b/vendor/go.etcd.io/etcd/raft/read_only.go
new file mode 100644
index 0000000..aecc6b2
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/raft/read_only.go
@@ -0,0 +1,118 @@
+// Copyright 2016 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package raft
+
+import pb "go.etcd.io/etcd/raft/raftpb"
+
+// ReadState provides state for read only query.
+// It's caller's responsibility to call ReadIndex first before getting
+// this state from ready, it's also caller's duty to differentiate if this
+// state is what it requests through RequestCtx, eg. given a unique id as
+// RequestCtx
+type ReadState struct {
+	Index      uint64
+	RequestCtx []byte
+}
+
+type readIndexStatus struct {
+	req   pb.Message
+	index uint64
+	acks  map[uint64]struct{}
+}
+
+type readOnly struct {
+	option           ReadOnlyOption
+	pendingReadIndex map[string]*readIndexStatus
+	readIndexQueue   []string
+}
+
+func newReadOnly(option ReadOnlyOption) *readOnly {
+	return &readOnly{
+		option:           option,
+		pendingReadIndex: make(map[string]*readIndexStatus),
+	}
+}
+
+// addRequest adds a read only reuqest into readonly struct.
+// `index` is the commit index of the raft state machine when it received
+// the read only request.
+// `m` is the original read only request message from the local or remote node.
+func (ro *readOnly) addRequest(index uint64, m pb.Message) {
+	ctx := string(m.Entries[0].Data)
+	if _, ok := ro.pendingReadIndex[ctx]; ok {
+		return
+	}
+	ro.pendingReadIndex[ctx] = &readIndexStatus{index: index, req: m, acks: make(map[uint64]struct{})}
+	ro.readIndexQueue = append(ro.readIndexQueue, ctx)
+}
+
+// recvAck notifies the readonly struct that the raft state machine received
+// an acknowledgment of the heartbeat that attached with the read only request
+// context.
+func (ro *readOnly) recvAck(m pb.Message) int {
+	rs, ok := ro.pendingReadIndex[string(m.Context)]
+	if !ok {
+		return 0
+	}
+
+	rs.acks[m.From] = struct{}{}
+	// add one to include an ack from local node
+	return len(rs.acks) + 1
+}
+
+// advance advances the read only request queue kept by the readonly struct.
+// It dequeues the requests until it finds the read only request that has
+// the same context as the given `m`.
+func (ro *readOnly) advance(m pb.Message) []*readIndexStatus {
+	var (
+		i     int
+		found bool
+	)
+
+	ctx := string(m.Context)
+	rss := []*readIndexStatus{}
+
+	for _, okctx := range ro.readIndexQueue {
+		i++
+		rs, ok := ro.pendingReadIndex[okctx]
+		if !ok {
+			panic("cannot find corresponding read state from pending map")
+		}
+		rss = append(rss, rs)
+		if okctx == ctx {
+			found = true
+			break
+		}
+	}
+
+	if found {
+		ro.readIndexQueue = ro.readIndexQueue[i:]
+		for _, rs := range rss {
+			delete(ro.pendingReadIndex, string(rs.req.Entries[0].Data))
+		}
+		return rss
+	}
+
+	return nil
+}
+
+// lastPendingRequestCtx returns the context of the last pending read only
+// request in readonly struct.
+func (ro *readOnly) lastPendingRequestCtx() string {
+	if len(ro.readIndexQueue) == 0 {
+		return ""
+	}
+	return ro.readIndexQueue[len(ro.readIndexQueue)-1]
+}
diff --git a/vendor/go.etcd.io/etcd/raft/status.go b/vendor/go.etcd.io/etcd/raft/status.go
new file mode 100644
index 0000000..9feca7c
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/raft/status.go
@@ -0,0 +1,94 @@
+// Copyright 2015 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package raft
+
+import (
+	"fmt"
+
+	pb "go.etcd.io/etcd/raft/raftpb"
+)
+
+type Status struct {
+	ID uint64
+
+	pb.HardState
+	SoftState
+
+	Applied  uint64
+	Progress map[uint64]Progress
+
+	LeadTransferee uint64
+}
+
+func getProgressCopy(r *raft) map[uint64]Progress {
+	prs := make(map[uint64]Progress)
+	for id, p := range r.prs {
+		prs[id] = *p
+	}
+
+	for id, p := range r.learnerPrs {
+		prs[id] = *p
+	}
+	return prs
+}
+
+func getStatusWithoutProgress(r *raft) Status {
+	s := Status{
+		ID:             r.id,
+		LeadTransferee: r.leadTransferee,
+	}
+	s.HardState = r.hardState()
+	s.SoftState = *r.softState()
+	s.Applied = r.raftLog.applied
+	return s
+}
+
+// getStatus gets a copy of the current raft status.
+func getStatus(r *raft) Status {
+	s := getStatusWithoutProgress(r)
+	if s.RaftState == StateLeader {
+		s.Progress = getProgressCopy(r)
+	}
+	return s
+}
+
+// MarshalJSON translates the raft status into JSON.
+// TODO: try to simplify this by introducing ID type into raft
+func (s Status) MarshalJSON() ([]byte, error) {
+	j := fmt.Sprintf(`{"id":"%x","term":%d,"vote":"%x","commit":%d,"lead":"%x","raftState":%q,"applied":%d,"progress":{`,
+		s.ID, s.Term, s.Vote, s.Commit, s.Lead, s.RaftState, s.Applied)
+
+	if len(s.Progress) == 0 {
+		j += "},"
+	} else {
+		for k, v := range s.Progress {
+			subj := fmt.Sprintf(`"%x":{"match":%d,"next":%d,"state":%q},`, k, v.Match, v.Next, v.State)
+			j += subj
+		}
+		// remove the trailing ","
+		j = j[:len(j)-1] + "},"
+	}
+
+	j += fmt.Sprintf(`"leadtransferee":"%x"}`, s.LeadTransferee)
+	return []byte(j), nil
+}
+
+func (s Status) String() string {
+	b, err := s.MarshalJSON()
+	if err != nil {
+		raftLogger.Panicf("unexpected error: %v", err)
+	}
+	return string(b)
+}
diff --git a/vendor/go.etcd.io/etcd/raft/storage.go b/vendor/go.etcd.io/etcd/raft/storage.go
new file mode 100644
index 0000000..14ad686
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/raft/storage.go
@@ -0,0 +1,271 @@
+// Copyright 2015 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package raft
+
+import (
+	"errors"
+	"sync"
+
+	pb "go.etcd.io/etcd/raft/raftpb"
+)
+
+// ErrCompacted is returned by Storage.Entries/Compact when a requested
+// index is unavailable because it predates the last snapshot.
+var ErrCompacted = errors.New("requested index is unavailable due to compaction")
+
+// ErrSnapOutOfDate is returned by Storage.CreateSnapshot when a requested
+// index is older than the existing snapshot.
+var ErrSnapOutOfDate = errors.New("requested index is older than the existing snapshot")
+
+// ErrUnavailable is returned by Storage interface when the requested log entries
+// are unavailable.
+var ErrUnavailable = errors.New("requested entry at index is unavailable")
+
+// ErrSnapshotTemporarilyUnavailable is returned by the Storage interface when the required
+// snapshot is temporarily unavailable.
+var ErrSnapshotTemporarilyUnavailable = errors.New("snapshot is temporarily unavailable")
+
+// Storage is an interface that may be implemented by the application
+// to retrieve log entries from storage.
+//
+// If any Storage method returns an error, the raft instance will
+// become inoperable and refuse to participate in elections; the
+// application is responsible for cleanup and recovery in this case.
+type Storage interface {
+	// InitialState returns the saved HardState and ConfState information.
+	InitialState() (pb.HardState, pb.ConfState, error)
+	// Entries returns a slice of log entries in the range [lo,hi).
+	// MaxSize limits the total size of the log entries returned, but
+	// Entries returns at least one entry if any.
+	Entries(lo, hi, maxSize uint64) ([]pb.Entry, error)
+	// Term returns the term of entry i, which must be in the range
+	// [FirstIndex()-1, LastIndex()]. The term of the entry before
+	// FirstIndex is retained for matching purposes even though the
+	// rest of that entry may not be available.
+	Term(i uint64) (uint64, error)
+	// LastIndex returns the index of the last entry in the log.
+	LastIndex() (uint64, error)
+	// FirstIndex returns the index of the first log entry that is
+	// possibly available via Entries (older entries have been incorporated
+	// into the latest Snapshot; if storage only contains the dummy entry the
+	// first log entry is not available).
+	FirstIndex() (uint64, error)
+	// Snapshot returns the most recent snapshot.
+	// If snapshot is temporarily unavailable, it should return ErrSnapshotTemporarilyUnavailable,
+	// so raft state machine could know that Storage needs some time to prepare
+	// snapshot and call Snapshot later.
+	Snapshot() (pb.Snapshot, error)
+}
+
+// MemoryStorage implements the Storage interface backed by an
+// in-memory array.
+type MemoryStorage struct {
+	// Protects access to all fields. Most methods of MemoryStorage are
+	// run on the raft goroutine, but Append() is run on an application
+	// goroutine.
+	sync.Mutex
+
+	hardState pb.HardState
+	snapshot  pb.Snapshot
+	// ents[i] has raft log position i+snapshot.Metadata.Index
+	ents []pb.Entry
+}
+
+// NewMemoryStorage creates an empty MemoryStorage.
+func NewMemoryStorage() *MemoryStorage {
+	return &MemoryStorage{
+		// When starting from scratch populate the list with a dummy entry at term zero.
+		ents: make([]pb.Entry, 1),
+	}
+}
+
+// InitialState implements the Storage interface.
+func (ms *MemoryStorage) InitialState() (pb.HardState, pb.ConfState, error) {
+	return ms.hardState, ms.snapshot.Metadata.ConfState, nil
+}
+
+// SetHardState saves the current HardState.
+func (ms *MemoryStorage) SetHardState(st pb.HardState) error {
+	ms.Lock()
+	defer ms.Unlock()
+	ms.hardState = st
+	return nil
+}
+
+// Entries implements the Storage interface.
+func (ms *MemoryStorage) Entries(lo, hi, maxSize uint64) ([]pb.Entry, error) {
+	ms.Lock()
+	defer ms.Unlock()
+	offset := ms.ents[0].Index
+	if lo <= offset {
+		return nil, ErrCompacted
+	}
+	if hi > ms.lastIndex()+1 {
+		raftLogger.Panicf("entries' hi(%d) is out of bound lastindex(%d)", hi, ms.lastIndex())
+	}
+	// only contains dummy entries.
+	if len(ms.ents) == 1 {
+		return nil, ErrUnavailable
+	}
+
+	ents := ms.ents[lo-offset : hi-offset]
+	return limitSize(ents, maxSize), nil
+}
+
+// Term implements the Storage interface.
+func (ms *MemoryStorage) Term(i uint64) (uint64, error) {
+	ms.Lock()
+	defer ms.Unlock()
+	offset := ms.ents[0].Index
+	if i < offset {
+		return 0, ErrCompacted
+	}
+	if int(i-offset) >= len(ms.ents) {
+		return 0, ErrUnavailable
+	}
+	return ms.ents[i-offset].Term, nil
+}
+
+// LastIndex implements the Storage interface.
+func (ms *MemoryStorage) LastIndex() (uint64, error) {
+	ms.Lock()
+	defer ms.Unlock()
+	return ms.lastIndex(), nil
+}
+
+func (ms *MemoryStorage) lastIndex() uint64 {
+	return ms.ents[0].Index + uint64(len(ms.ents)) - 1
+}
+
+// FirstIndex implements the Storage interface.
+func (ms *MemoryStorage) FirstIndex() (uint64, error) {
+	ms.Lock()
+	defer ms.Unlock()
+	return ms.firstIndex(), nil
+}
+
+func (ms *MemoryStorage) firstIndex() uint64 {
+	return ms.ents[0].Index + 1
+}
+
+// Snapshot implements the Storage interface.
+func (ms *MemoryStorage) Snapshot() (pb.Snapshot, error) {
+	ms.Lock()
+	defer ms.Unlock()
+	return ms.snapshot, nil
+}
+
+// ApplySnapshot overwrites the contents of this Storage object with
+// those of the given snapshot.
+func (ms *MemoryStorage) ApplySnapshot(snap pb.Snapshot) error {
+	ms.Lock()
+	defer ms.Unlock()
+
+	//handle check for old snapshot being applied
+	msIndex := ms.snapshot.Metadata.Index
+	snapIndex := snap.Metadata.Index
+	if msIndex >= snapIndex {
+		return ErrSnapOutOfDate
+	}
+
+	ms.snapshot = snap
+	ms.ents = []pb.Entry{{Term: snap.Metadata.Term, Index: snap.Metadata.Index}}
+	return nil
+}
+
+// CreateSnapshot makes a snapshot which can be retrieved with Snapshot() and
+// can be used to reconstruct the state at that point.
+// If any configuration changes have been made since the last compaction,
+// the result of the last ApplyConfChange must be passed in.
+func (ms *MemoryStorage) CreateSnapshot(i uint64, cs *pb.ConfState, data []byte) (pb.Snapshot, error) {
+	ms.Lock()
+	defer ms.Unlock()
+	if i <= ms.snapshot.Metadata.Index {
+		return pb.Snapshot{}, ErrSnapOutOfDate
+	}
+
+	offset := ms.ents[0].Index
+	if i > ms.lastIndex() {
+		raftLogger.Panicf("snapshot %d is out of bound lastindex(%d)", i, ms.lastIndex())
+	}
+
+	ms.snapshot.Metadata.Index = i
+	ms.snapshot.Metadata.Term = ms.ents[i-offset].Term
+	if cs != nil {
+		ms.snapshot.Metadata.ConfState = *cs
+	}
+	ms.snapshot.Data = data
+	return ms.snapshot, nil
+}
+
+// Compact discards all log entries prior to compactIndex.
+// It is the application's responsibility to not attempt to compact an index
+// greater than raftLog.applied.
+func (ms *MemoryStorage) Compact(compactIndex uint64) error {
+	ms.Lock()
+	defer ms.Unlock()
+	offset := ms.ents[0].Index
+	if compactIndex <= offset {
+		return ErrCompacted
+	}
+	if compactIndex > ms.lastIndex() {
+		raftLogger.Panicf("compact %d is out of bound lastindex(%d)", compactIndex, ms.lastIndex())
+	}
+
+	i := compactIndex - offset
+	ents := make([]pb.Entry, 1, 1+uint64(len(ms.ents))-i)
+	ents[0].Index = ms.ents[i].Index
+	ents[0].Term = ms.ents[i].Term
+	ents = append(ents, ms.ents[i+1:]...)
+	ms.ents = ents
+	return nil
+}
+
+// Append the new entries to storage.
+// TODO (xiangli): ensure the entries are continuous and
+// entries[0].Index > ms.entries[0].Index
+func (ms *MemoryStorage) Append(entries []pb.Entry) error {
+	if len(entries) == 0 {
+		return nil
+	}
+
+	ms.Lock()
+	defer ms.Unlock()
+
+	first := ms.firstIndex()
+	last := entries[0].Index + uint64(len(entries)) - 1
+
+	// shortcut if there is no new entry.
+	if last < first {
+		return nil
+	}
+	// truncate compacted entries
+	if first > entries[0].Index {
+		entries = entries[first-entries[0].Index:]
+	}
+
+	offset := entries[0].Index - ms.ents[0].Index
+	switch {
+	case uint64(len(ms.ents)) > offset:
+		ms.ents = append([]pb.Entry{}, ms.ents[:offset]...)
+		ms.ents = append(ms.ents, entries...)
+	case uint64(len(ms.ents)) == offset:
+		ms.ents = append(ms.ents, entries...)
+	default:
+		raftLogger.Panicf("missing log entry [last: %d, append at: %d]",
+			ms.lastIndex(), entries[0].Index)
+	}
+	return nil
+}
diff --git a/vendor/go.etcd.io/etcd/raft/util.go b/vendor/go.etcd.io/etcd/raft/util.go
new file mode 100644
index 0000000..c145d26
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/raft/util.go
@@ -0,0 +1,142 @@
+// Copyright 2015 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package raft
+
+import (
+	"bytes"
+	"fmt"
+
+	pb "go.etcd.io/etcd/raft/raftpb"
+)
+
+func (st StateType) MarshalJSON() ([]byte, error) {
+	return []byte(fmt.Sprintf("%q", st.String())), nil
+}
+
+// uint64Slice implements sort interface
+type uint64Slice []uint64
+
+func (p uint64Slice) Len() int           { return len(p) }
+func (p uint64Slice) Less(i, j int) bool { return p[i] < p[j] }
+func (p uint64Slice) Swap(i, j int)      { p[i], p[j] = p[j], p[i] }
+
+func min(a, b uint64) uint64 {
+	if a > b {
+		return b
+	}
+	return a
+}
+
+func max(a, b uint64) uint64 {
+	if a > b {
+		return a
+	}
+	return b
+}
+
+func IsLocalMsg(msgt pb.MessageType) bool {
+	return msgt == pb.MsgHup || msgt == pb.MsgBeat || msgt == pb.MsgUnreachable ||
+		msgt == pb.MsgSnapStatus || msgt == pb.MsgCheckQuorum
+}
+
+func IsResponseMsg(msgt pb.MessageType) bool {
+	return msgt == pb.MsgAppResp || msgt == pb.MsgVoteResp || msgt == pb.MsgHeartbeatResp || msgt == pb.MsgUnreachable || msgt == pb.MsgPreVoteResp
+}
+
+// voteResponseType maps vote and prevote message types to their corresponding responses.
+func voteRespMsgType(msgt pb.MessageType) pb.MessageType {
+	switch msgt {
+	case pb.MsgVote:
+		return pb.MsgVoteResp
+	case pb.MsgPreVote:
+		return pb.MsgPreVoteResp
+	default:
+		panic(fmt.Sprintf("not a vote message: %s", msgt))
+	}
+}
+
+// EntryFormatter can be implemented by the application to provide human-readable formatting
+// of entry data. Nil is a valid EntryFormatter and will use a default format.
+type EntryFormatter func([]byte) string
+
+// DescribeMessage returns a concise human-readable description of a
+// Message for debugging.
+func DescribeMessage(m pb.Message, f EntryFormatter) string {
+	var buf bytes.Buffer
+	fmt.Fprintf(&buf, "%x->%x %v Term:%d Log:%d/%d", m.From, m.To, m.Type, m.Term, m.LogTerm, m.Index)
+	if m.Reject {
+		fmt.Fprintf(&buf, " Rejected (Hint: %d)", m.RejectHint)
+	}
+	if m.Commit != 0 {
+		fmt.Fprintf(&buf, " Commit:%d", m.Commit)
+	}
+	if len(m.Entries) > 0 {
+		fmt.Fprintf(&buf, " Entries:[")
+		for i, e := range m.Entries {
+			if i != 0 {
+				buf.WriteString(", ")
+			}
+			buf.WriteString(DescribeEntry(e, f))
+		}
+		fmt.Fprintf(&buf, "]")
+	}
+	if !IsEmptySnap(m.Snapshot) {
+		fmt.Fprintf(&buf, " Snapshot:%v", m.Snapshot)
+	}
+	return buf.String()
+}
+
+// PayloadSize is the size of the payload of this Entry. Notably, it does not
+// depend on its Index or Term.
+func PayloadSize(e pb.Entry) int {
+	return len(e.Data)
+}
+
+// DescribeEntry returns a concise human-readable description of an
+// Entry for debugging.
+func DescribeEntry(e pb.Entry, f EntryFormatter) string {
+	var formatted string
+	if e.Type == pb.EntryNormal && f != nil {
+		formatted = f(e.Data)
+	} else {
+		formatted = fmt.Sprintf("%q", e.Data)
+	}
+	return fmt.Sprintf("%d/%d %s %s", e.Term, e.Index, e.Type, formatted)
+}
+
+// DescribeEntries calls DescribeEntry for each Entry, adding a newline to
+// each.
+func DescribeEntries(ents []pb.Entry, f EntryFormatter) string {
+	var buf bytes.Buffer
+	for _, e := range ents {
+		_, _ = buf.WriteString(DescribeEntry(e, f) + "\n")
+	}
+	return buf.String()
+}
+
+func limitSize(ents []pb.Entry, maxSize uint64) []pb.Entry {
+	if len(ents) == 0 {
+		return ents
+	}
+	size := ents[0].Size()
+	var limit int
+	for limit = 1; limit < len(ents); limit++ {
+		size += ents[limit].Size()
+		if uint64(size) > maxSize {
+			break
+		}
+	}
+	return ents[:limit]
+}
diff --git a/vendor/go.uber.org/atomic/.codecov.yml b/vendor/go.uber.org/atomic/.codecov.yml
new file mode 100644
index 0000000..6d4d1be
--- /dev/null
+++ b/vendor/go.uber.org/atomic/.codecov.yml
@@ -0,0 +1,15 @@
+coverage:
+  range: 80..100
+  round: down
+  precision: 2
+
+  status:
+    project:                   # measuring the overall project coverage
+      default:                 # context, you can create multiple ones with custom titles
+        enabled: yes           # must be yes|true to enable this status
+        target: 100            # specify the target coverage for each commit status
+                               #   option: "auto" (must increase from parent commit or pull request base)
+                               #   option: "X%" a static target percentage to hit
+        if_not_found: success  # if parent is not found report status as success, error, or failure
+        if_ci_failed: error    # if ci fails report status as success, error, or failure
+
diff --git a/vendor/go.uber.org/atomic/.travis.yml b/vendor/go.uber.org/atomic/.travis.yml
index f1ce95a..5895722 100644
--- a/vendor/go.uber.org/atomic/.travis.yml
+++ b/vendor/go.uber.org/atomic/.travis.yml
@@ -3,9 +3,9 @@
 go_import_path: go.uber.org/atomic
 
 go:
-  - 1.5
-  - 1.6
-  - tip
+  - 1.7
+  - 1.8
+  - 1.9
 
 cache:
   directories:
@@ -18,4 +18,6 @@
   - make test_ci
   - scripts/test-ubergo.sh
   - make lint
-  - travis_retry goveralls -coverprofile=cover.out -service=travis-ci
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)
diff --git a/vendor/go.uber.org/atomic/README.md b/vendor/go.uber.org/atomic/README.md
index bb4a12c..6505abf 100644
--- a/vendor/go.uber.org/atomic/README.md
+++ b/vendor/go.uber.org/atomic/README.md
@@ -1,4 +1,4 @@
-# atomic [![GoDoc][doc-img]][doc] [![Build Status][ci-img]][ci] [![Coverage Status][cov-img]][cov]
+# atomic [![GoDoc][doc-img]][doc] [![Build Status][ci-img]][ci] [![Coverage Status][cov-img]][cov] [![Go Report Card][reportcard-img]][reportcard]
 
 Simple wrappers for primitive types to enforce atomic access.
 
@@ -30,5 +30,7 @@
 [doc]: https://godoc.org/go.uber.org/atomic
 [ci-img]: https://travis-ci.org/uber-go/atomic.svg?branch=master
 [ci]: https://travis-ci.org/uber-go/atomic
-[cov-img]: https://coveralls.io/repos/github/uber-go/atomic/badge.svg?branch=master
-[cov]: https://coveralls.io/github/uber-go/atomic?branch=master
+[cov-img]: https://codecov.io/gh/uber-go/atomic/branch/master/graph/badge.svg
+[cov]: https://codecov.io/gh/uber-go/atomic
+[reportcard-img]: https://goreportcard.com/badge/go.uber.org/atomic
+[reportcard]: https://goreportcard.com/report/go.uber.org/atomic
diff --git a/vendor/go.uber.org/atomic/atomic.go b/vendor/go.uber.org/atomic/atomic.go
index 290b884..1db6849 100644
--- a/vendor/go.uber.org/atomic/atomic.go
+++ b/vendor/go.uber.org/atomic/atomic.go
@@ -25,6 +25,7 @@
 import (
 	"math"
 	"sync/atomic"
+	"time"
 )
 
 // Int32 is an atomic wrapper around an int32.
@@ -232,6 +233,11 @@
 	return truthy(atomic.LoadUint32(&b.v))
 }
 
+// CAS is an atomic compare-and-swap.
+func (b *Bool) CAS(old, new bool) bool {
+	return atomic.CompareAndSwapUint32(&b.v, boolToInt(old), boolToInt(new))
+}
+
 // Store atomically stores the passed value.
 func (b *Bool) Store(new bool) {
 	atomic.StoreUint32(&b.v, boolToInt(new))
@@ -299,6 +305,47 @@
 	return atomic.CompareAndSwapUint64(&f.v, math.Float64bits(old), math.Float64bits(new))
 }
 
+// Duration is an atomic wrapper around time.Duration
+// https://godoc.org/time#Duration
+type Duration struct {
+	v Int64
+}
+
+// NewDuration creates a Duration.
+func NewDuration(d time.Duration) *Duration {
+	return &Duration{v: *NewInt64(int64(d))}
+}
+
+// Load atomically loads the wrapped value.
+func (d *Duration) Load() time.Duration {
+	return time.Duration(d.v.Load())
+}
+
+// Store atomically stores the passed value.
+func (d *Duration) Store(n time.Duration) {
+	d.v.Store(int64(n))
+}
+
+// Add atomically adds to the wrapped time.Duration and returns the new value.
+func (d *Duration) Add(n time.Duration) time.Duration {
+	return time.Duration(d.v.Add(int64(n)))
+}
+
+// Sub atomically subtracts from the wrapped time.Duration and returns the new value.
+func (d *Duration) Sub(n time.Duration) time.Duration {
+	return time.Duration(d.v.Sub(int64(n)))
+}
+
+// Swap atomically swaps the wrapped time.Duration and returns the old value.
+func (d *Duration) Swap(n time.Duration) time.Duration {
+	return time.Duration(d.v.Swap(int64(n)))
+}
+
+// CAS is an atomic compare-and-swap.
+func (d *Duration) CAS(old, new time.Duration) bool {
+	return d.v.CAS(int64(old), int64(new))
+}
+
 // Value shadows the type of the same name from sync/atomic
 // https://godoc.org/sync/atomic#Value
 type Value struct{ atomic.Value }
diff --git a/vendor/go.uber.org/atomic/string.go b/vendor/go.uber.org/atomic/string.go
index acf0f5b..ede8136 100644
--- a/vendor/go.uber.org/atomic/string.go
+++ b/vendor/go.uber.org/atomic/string.go
@@ -20,10 +20,8 @@
 
 package atomic
 
-import "sync/atomic"
-
-// String is an atomic type-safe wrapper around atomic.Value for strings.
-type String struct{ v atomic.Value }
+// String is an atomic type-safe wrapper around Value for strings.
+type String struct{ v Value }
 
 // NewString creates a String.
 func NewString(str string) *String {
@@ -44,7 +42,7 @@
 }
 
 // Store atomically stores the passed string.
-// Note: Converting the string to an interface{} to store in the atomic.Value
+// Note: Converting the string to an interface{} to store in the Value
 // requires an allocation.
 func (s *String) Store(str string) {
 	s.v.Store(str)
diff --git a/vendor/golang.org/x/crypto/ssh/terminal/terminal.go b/vendor/golang.org/x/crypto/ssh/terminal/terminal.go
index 9a88759..9d666ff 100644
--- a/vendor/golang.org/x/crypto/ssh/terminal/terminal.go
+++ b/vendor/golang.org/x/crypto/ssh/terminal/terminal.go
@@ -159,6 +159,10 @@
 			return keyClearScreen, b[1:]
 		case 23: // ^W
 			return keyDeleteWord, b[1:]
+		case 14: // ^N
+			return keyDown, b[1:]
+		case 16: // ^P
+			return keyUp, b[1:]
 		}
 	}
 
diff --git a/vendor/golang.org/x/net/http2/server.go b/vendor/golang.org/x/net/http2/server.go
index b57b6e2..8f17019 100644
--- a/vendor/golang.org/x/net/http2/server.go
+++ b/vendor/golang.org/x/net/http2/server.go
@@ -1594,12 +1594,6 @@
 		// type PROTOCOL_ERROR."
 		return ConnectionError(ErrCodeProtocol)
 	}
-	// RFC 7540, sec 6.1: If a DATA frame is received whose stream is not in
-	// "open" or "half-closed (local)" state, the recipient MUST respond with a
-	// stream error (Section 5.4.2) of type STREAM_CLOSED.
-	if state == stateClosed {
-		return streamError(id, ErrCodeStreamClosed)
-	}
 	if st == nil || state != stateOpen || st.gotTrailerHeader || st.resetQueued {
 		// This includes sending a RST_STREAM if the stream is
 		// in stateHalfClosedLocal (which currently means that
diff --git a/vendor/golang.org/x/oauth2/README.md b/vendor/golang.org/x/oauth2/README.md
index 68f436e..0f443e6 100644
--- a/vendor/golang.org/x/oauth2/README.md
+++ b/vendor/golang.org/x/oauth2/README.md
@@ -19,57 +19,6 @@
 * [godoc.org/golang.org/x/oauth2](http://godoc.org/golang.org/x/oauth2)
 * [godoc.org/golang.org/x/oauth2/google](http://godoc.org/golang.org/x/oauth2/google)
 
-
-## App Engine
-
-In change 96e89be (March 2015), we removed the `oauth2.Context2` type in favor
-of the [`context.Context`](https://golang.org/x/net/context#Context) type from
-the `golang.org/x/net/context` package. Later replaced by the standard `context` package
-of the [`context.Context`](https://golang.org/pkg/context#Context) type.
-
-
-This means it's no longer possible to use the "Classic App Engine"
-`appengine.Context` type with the `oauth2` package. (You're using
-Classic App Engine if you import the package `"appengine"`.)
-
-To work around this, you may use the new `"google.golang.org/appengine"`
-package. This package has almost the same API as the `"appengine"` package,
-but it can be fetched with `go get` and used on "Managed VMs" and well as
-Classic App Engine.
-
-See the [new `appengine` package's readme](https://github.com/golang/appengine#updating-a-go-app-engine-app)
-for information on updating your app.
-
-If you don't want to update your entire app to use the new App Engine packages,
-you may use both sets of packages in parallel, using only the new packages
-with the `oauth2` package.
-
-```go
-import (
-	"context"
-	"golang.org/x/oauth2"
-	"golang.org/x/oauth2/google"
-	newappengine "google.golang.org/appengine"
-	newurlfetch "google.golang.org/appengine/urlfetch"
-
-	"appengine"
-)
-
-func handler(w http.ResponseWriter, r *http.Request) {
-	var c appengine.Context = appengine.NewContext(r)
-	c.Infof("Logging a message with the old package")
-
-	var ctx context.Context = newappengine.NewContext(r)
-	client := &http.Client{
-		Transport: &oauth2.Transport{
-			Source: google.AppEngineTokenSource(ctx, "scope"),
-			Base:   &newurlfetch.Transport{Context: ctx},
-		},
-	}
-	client.Get("...")
-}
-```
-
 ## Policy for new packages
 
 We no longer accept new provider-specific packages in this repo. For
diff --git a/vendor/golang.org/x/oauth2/internal/token.go b/vendor/golang.org/x/oauth2/internal/token.go
index a831b77..955d5a0 100644
--- a/vendor/golang.org/x/oauth2/internal/token.go
+++ b/vendor/golang.org/x/oauth2/internal/token.go
@@ -16,6 +16,7 @@
 	"net/url"
 	"strconv"
 	"strings"
+	"sync"
 	"time"
 
 	"golang.org/x/net/context/ctxhttp"
@@ -77,6 +78,9 @@
 type expirationTime int32
 
 func (e *expirationTime) UnmarshalJSON(b []byte) error {
+	if len(b) == 0 || string(b) == "null" {
+		return nil
+	}
 	var n json.Number
 	err := json.Unmarshal(b, &n)
 	if err != nil {
@@ -90,102 +94,71 @@
 	return nil
 }
 
-var brokenAuthHeaderProviders = []string{
-	"https://accounts.google.com/",
-	"https://api.codeswholesale.com/oauth/token",
-	"https://api.dropbox.com/",
-	"https://api.dropboxapi.com/",
-	"https://api.instagram.com/",
-	"https://api.netatmo.net/",
-	"https://api.odnoklassniki.ru/",
-	"https://api.pushbullet.com/",
-	"https://api.soundcloud.com/",
-	"https://api.twitch.tv/",
-	"https://id.twitch.tv/",
-	"https://app.box.com/",
-	"https://api.box.com/",
-	"https://connect.stripe.com/",
-	"https://login.mailchimp.com/",
-	"https://login.microsoftonline.com/",
-	"https://login.salesforce.com/",
-	"https://login.windows.net",
-	"https://login.live.com/",
-	"https://login.live-int.com/",
-	"https://oauth.sandbox.trainingpeaks.com/",
-	"https://oauth.trainingpeaks.com/",
-	"https://oauth.vk.com/",
-	"https://openapi.baidu.com/",
-	"https://slack.com/",
-	"https://test-sandbox.auth.corp.google.com",
-	"https://test.salesforce.com/",
-	"https://user.gini.net/",
-	"https://www.douban.com/",
-	"https://www.googleapis.com/",
-	"https://www.linkedin.com/",
-	"https://www.strava.com/oauth/",
-	"https://www.wunderlist.com/oauth/",
-	"https://api.patreon.com/",
-	"https://sandbox.codeswholesale.com/oauth/token",
-	"https://api.sipgate.com/v1/authorization/oauth",
-	"https://api.medium.com/v1/tokens",
-	"https://log.finalsurge.com/oauth/token",
-	"https://multisport.todaysplan.com.au/rest/oauth/access_token",
-	"https://whats.todaysplan.com.au/rest/oauth/access_token",
-	"https://stackoverflow.com/oauth/access_token",
-	"https://account.health.nokia.com",
-	"https://accounts.zoho.com",
-	"https://gitter.im/login/oauth/token",
-	"https://openid-connect.onelogin.com/oidc",
-	"https://api.dailymotion.com/oauth/token",
+// RegisterBrokenAuthHeaderProvider previously did something. It is now a no-op.
+//
+// Deprecated: this function no longer does anything. Caller code that
+// wants to avoid potential extra HTTP requests made during
+// auto-probing of the provider's auth style should set
+// Endpoint.AuthStyle.
+func RegisterBrokenAuthHeaderProvider(tokenURL string) {}
+
+// AuthStyle is a copy of the golang.org/x/oauth2 package's AuthStyle type.
+type AuthStyle int
+
+const (
+	AuthStyleUnknown  AuthStyle = 0
+	AuthStyleInParams AuthStyle = 1
+	AuthStyleInHeader AuthStyle = 2
+)
+
+// authStyleCache is the set of tokenURLs we've successfully used via
+// RetrieveToken and which style auth we ended up using.
+// It's called a cache, but it doesn't (yet?) shrink. It's expected that
+// the set of OAuth2 servers a program contacts over time is fixed and
+// small.
+var authStyleCache struct {
+	sync.Mutex
+	m map[string]AuthStyle // keyed by tokenURL
 }
 
-// brokenAuthHeaderDomains lists broken providers that issue dynamic endpoints.
-var brokenAuthHeaderDomains = []string{
-	".auth0.com",
-	".force.com",
-	".myshopify.com",
-	".okta.com",
-	".oktapreview.com",
+// ResetAuthCache resets the global authentication style cache used
+// for AuthStyleUnknown token requests.
+func ResetAuthCache() {
+	authStyleCache.Lock()
+	defer authStyleCache.Unlock()
+	authStyleCache.m = nil
 }
 
-func RegisterBrokenAuthHeaderProvider(tokenURL string) {
-	brokenAuthHeaderProviders = append(brokenAuthHeaderProviders, tokenURL)
+// lookupAuthStyle reports which auth style we last used with tokenURL
+// when calling RetrieveToken and whether we have ever done so.
+func lookupAuthStyle(tokenURL string) (style AuthStyle, ok bool) {
+	authStyleCache.Lock()
+	defer authStyleCache.Unlock()
+	style, ok = authStyleCache.m[tokenURL]
+	return
 }
 
-// providerAuthHeaderWorks reports whether the OAuth2 server identified by the tokenURL
-// implements the OAuth2 spec correctly
-// See https://code.google.com/p/goauth2/issues/detail?id=31 for background.
-// In summary:
-// - Reddit only accepts client secret in the Authorization header
-// - Dropbox accepts either it in URL param or Auth header, but not both.
-// - Google only accepts URL param (not spec compliant?), not Auth header
-// - Stripe only accepts client secret in Auth header with Bearer method, not Basic
-func providerAuthHeaderWorks(tokenURL string) bool {
-	for _, s := range brokenAuthHeaderProviders {
-		if strings.HasPrefix(tokenURL, s) {
-			// Some sites fail to implement the OAuth2 spec fully.
-			return false
-		}
+// setAuthStyle adds an entry to authStyleCache, documented above.
+func setAuthStyle(tokenURL string, v AuthStyle) {
+	authStyleCache.Lock()
+	defer authStyleCache.Unlock()
+	if authStyleCache.m == nil {
+		authStyleCache.m = make(map[string]AuthStyle)
 	}
-
-	if u, err := url.Parse(tokenURL); err == nil {
-		for _, s := range brokenAuthHeaderDomains {
-			if strings.HasSuffix(u.Host, s) {
-				return false
-			}
-		}
-	}
-
-	// Assume the provider implements the spec properly
-	// otherwise. We can add more exceptions as they're
-	// discovered. We will _not_ be adding configurable hooks
-	// to this package to let users select server bugs.
-	return true
+	authStyleCache.m[tokenURL] = v
 }
 
-func RetrieveToken(ctx context.Context, clientID, clientSecret, tokenURL string, v url.Values) (*Token, error) {
-	bustedAuth := !providerAuthHeaderWorks(tokenURL)
-	if bustedAuth {
+// newTokenRequest returns a new *http.Request to retrieve a new token
+// from tokenURL using the provided clientID, clientSecret, and POST
+// body parameters.
+//
+// inParams is whether the clientID & clientSecret should be encoded
+// as the POST body. An 'inParams' value of true means to send it in
+// the POST body (along with any values in v); false means to send it
+// in the Authorization header.
+func newTokenRequest(tokenURL, clientID, clientSecret string, v url.Values, authStyle AuthStyle) (*http.Request, error) {
+	if authStyle == AuthStyleInParams {
+		v = cloneURLValues(v)
 		if clientID != "" {
 			v.Set("client_id", clientID)
 		}
@@ -198,15 +171,70 @@
 		return nil, err
 	}
 	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
-	if !bustedAuth {
+	if authStyle == AuthStyleInHeader {
 		req.SetBasicAuth(url.QueryEscape(clientID), url.QueryEscape(clientSecret))
 	}
+	return req, nil
+}
+
+func cloneURLValues(v url.Values) url.Values {
+	v2 := make(url.Values, len(v))
+	for k, vv := range v {
+		v2[k] = append([]string(nil), vv...)
+	}
+	return v2
+}
+
+func RetrieveToken(ctx context.Context, clientID, clientSecret, tokenURL string, v url.Values, authStyle AuthStyle) (*Token, error) {
+	needsAuthStyleProbe := authStyle == 0
+	if needsAuthStyleProbe {
+		if style, ok := lookupAuthStyle(tokenURL); ok {
+			authStyle = style
+			needsAuthStyleProbe = false
+		} else {
+			authStyle = AuthStyleInHeader // the first way we'll try
+		}
+	}
+	req, err := newTokenRequest(tokenURL, clientID, clientSecret, v, authStyle)
+	if err != nil {
+		return nil, err
+	}
+	token, err := doTokenRoundTrip(ctx, req)
+	if err != nil && needsAuthStyleProbe {
+		// If we get an error, assume the server wants the
+		// clientID & clientSecret in a different form.
+		// See https://code.google.com/p/goauth2/issues/detail?id=31 for background.
+		// In summary:
+		// - Reddit only accepts client secret in the Authorization header
+		// - Dropbox accepts either it in URL param or Auth header, but not both.
+		// - Google only accepts URL param (not spec compliant?), not Auth header
+		// - Stripe only accepts client secret in Auth header with Bearer method, not Basic
+		//
+		// We used to maintain a big table in this code of all the sites and which way
+		// they went, but maintaining it didn't scale & got annoying.
+		// So just try both ways.
+		authStyle = AuthStyleInParams // the second way we'll try
+		req, _ = newTokenRequest(tokenURL, clientID, clientSecret, v, authStyle)
+		token, err = doTokenRoundTrip(ctx, req)
+	}
+	if needsAuthStyleProbe && err == nil {
+		setAuthStyle(tokenURL, authStyle)
+	}
+	// Don't overwrite `RefreshToken` with an empty value
+	// if this was a token refreshing request.
+	if token != nil && token.RefreshToken == "" {
+		token.RefreshToken = v.Get("refresh_token")
+	}
+	return token, err
+}
+
+func doTokenRoundTrip(ctx context.Context, req *http.Request) (*Token, error) {
 	r, err := ctxhttp.Do(ctx, ContextClient(ctx), req)
 	if err != nil {
 		return nil, err
 	}
-	defer r.Body.Close()
 	body, err := ioutil.ReadAll(io.LimitReader(r.Body, 1<<20))
+	r.Body.Close()
 	if err != nil {
 		return nil, fmt.Errorf("oauth2: cannot fetch token: %v", err)
 	}
@@ -232,7 +260,7 @@
 			Raw:          vals,
 		}
 		e := vals.Get("expires_in")
-		if e == "" {
+		if e == "" || e == "null" {
 			// TODO(jbd): Facebook's OAuth2 implementation is broken and
 			// returns expires_in field in expires. Remove the fallback to expires,
 			// when Facebook fixes their implementation.
@@ -256,13 +284,8 @@
 		}
 		json.Unmarshal(body, &token.Raw) // no error checks for optional fields
 	}
-	// Don't overwrite `RefreshToken` with an empty value
-	// if this was a token refreshing request.
-	if token.RefreshToken == "" {
-		token.RefreshToken = v.Get("refresh_token")
-	}
 	if token.AccessToken == "" {
-		return token, errors.New("oauth2: server response missing access_token")
+		return nil, errors.New("oauth2: server response missing access_token")
 	}
 	return token, nil
 }
diff --git a/vendor/golang.org/x/oauth2/oauth2.go b/vendor/golang.org/x/oauth2/oauth2.go
index 3de6331..428283f 100644
--- a/vendor/golang.org/x/oauth2/oauth2.go
+++ b/vendor/golang.org/x/oauth2/oauth2.go
@@ -26,17 +26,13 @@
 // Deprecated: Use context.Background() or context.TODO() instead.
 var NoContext = context.TODO()
 
-// RegisterBrokenAuthHeaderProvider registers an OAuth2 server
-// identified by the tokenURL prefix as an OAuth2 implementation
-// which doesn't support the HTTP Basic authentication
-// scheme to authenticate with the authorization server.
-// Once a server is registered, credentials (client_id and client_secret)
-// will be passed as parameters in the request body rather than being present
-// in the Authorization header.
-// See https://code.google.com/p/goauth2/issues/detail?id=31 for background.
-func RegisterBrokenAuthHeaderProvider(tokenURL string) {
-	internal.RegisterBrokenAuthHeaderProvider(tokenURL)
-}
+// RegisterBrokenAuthHeaderProvider previously did something. It is now a no-op.
+//
+// Deprecated: this function no longer does anything. Caller code that
+// wants to avoid potential extra HTTP requests made during
+// auto-probing of the provider's auth style should set
+// Endpoint.AuthStyle.
+func RegisterBrokenAuthHeaderProvider(tokenURL string) {}
 
 // Config describes a typical 3-legged OAuth2 flow, with both the
 // client application information and the server's endpoint URLs.
@@ -71,13 +67,38 @@
 	Token() (*Token, error)
 }
 
-// Endpoint contains the OAuth 2.0 provider's authorization and token
+// Endpoint represents an OAuth 2.0 provider's authorization and token
 // endpoint URLs.
 type Endpoint struct {
 	AuthURL  string
 	TokenURL string
+
+	// AuthStyle optionally specifies how the endpoint wants the
+	// client ID & client secret sent. The zero value means to
+	// auto-detect.
+	AuthStyle AuthStyle
 }
 
+// AuthStyle represents how requests for tokens are authenticated
+// to the server.
+type AuthStyle int
+
+const (
+	// AuthStyleAutoDetect means to auto-detect which authentication
+	// style the provider wants by trying both ways and caching
+	// the successful way for the future.
+	AuthStyleAutoDetect AuthStyle = 0
+
+	// AuthStyleInParams sends the "client_id" and "client_secret"
+	// in the POST body as application/x-www-form-urlencoded parameters.
+	AuthStyleInParams AuthStyle = 1
+
+	// AuthStyleInHeader sends the client_id and client_password
+	// using HTTP Basic Authorization. This is an optional style
+	// described in the OAuth2 RFC 6749 section 2.3.1.
+	AuthStyleInHeader AuthStyle = 2
+)
+
 var (
 	// AccessTypeOnline and AccessTypeOffline are options passed
 	// to the Options.AuthCodeURL method. They modify the
@@ -124,7 +145,7 @@
 //
 // Opts may include AccessTypeOnline or AccessTypeOffline, as well
 // as ApprovalForce.
-// It can also be used to pass the PKCE challange.
+// It can also be used to pass the PKCE challenge.
 // See https://www.oauth.com/oauth2-servers/pkce/ for more info.
 func (c *Config) AuthCodeURL(state string, opts ...AuthCodeOption) string {
 	var buf bytes.Buffer
diff --git a/vendor/golang.org/x/oauth2/token.go b/vendor/golang.org/x/oauth2/token.go
index ee4be54..8227203 100644
--- a/vendor/golang.org/x/oauth2/token.go
+++ b/vendor/golang.org/x/oauth2/token.go
@@ -154,7 +154,7 @@
 // This token is then mapped from *internal.Token into an *oauth2.Token which is returned along
 // with an error..
 func retrieveToken(ctx context.Context, c *Config, v url.Values) (*Token, error) {
-	tk, err := internal.RetrieveToken(ctx, c.ClientID, c.ClientSecret, c.Endpoint.TokenURL, v)
+	tk, err := internal.RetrieveToken(ctx, c.ClientID, c.ClientSecret, c.Endpoint.TokenURL, v, internal.AuthStyle(c.Endpoint.AuthStyle))
 	if err != nil {
 		if rErr, ok := err.(*internal.RetrieveError); ok {
 			return nil, (*RetrieveError)(rErr)
diff --git a/vendor/golang.org/x/sys/unix/README.md b/vendor/golang.org/x/sys/unix/README.md
index 2bf415f..eb2f78a 100644
--- a/vendor/golang.org/x/sys/unix/README.md
+++ b/vendor/golang.org/x/sys/unix/README.md
@@ -32,7 +32,7 @@
 GOARCH are set correctly and run `mkall.sh`. This will generate the files for
 your specific system. Running `mkall.sh -n` shows the commands that will be run.
 
-Requirements: bash, perl, go
+Requirements: bash, go
 
 ### New Build System (currently for `GOOS == "linux"`)
 
@@ -52,14 +52,14 @@
 then generate all of the files for all of the GOOS/GOARCH pairs in the new build
 system. Running `mkall.sh -n` shows the commands that will be run.
 
-Requirements: bash, perl, go, docker
+Requirements: bash, go, docker
 
 ## Component files
 
 This section describes the various files used in the code generation process.
 It also contains instructions on how to modify these files to add a new
 architecture/OS or to add additional syscalls, types, or constants. Note that
-if you are using the new build system, the scripts cannot be called normally.
+if you are using the new build system, the scripts/programs cannot be called normally.
 They must be called from within the docker container.
 
 ### asm files
@@ -81,8 +81,8 @@
 
 ### mksysnum
 
-Mksysnum is a script located at `${GOOS}/mksysnum.pl` (or `mksysnum_${GOOS}.pl`
-for the old system). This script takes in a list of header files containing the
+Mksysnum is a Go program located at `${GOOS}/mksysnum.go` (or `mksysnum_${GOOS}.go`
+for the old system). This program takes in a list of header files containing the
 syscall number declarations and parses them to produce the corresponding list of
 Go numeric constants. See `zsysnum_${GOOS}_${GOARCH}.go` for the generated
 constants.
@@ -92,14 +92,14 @@
 new build system). However, depending on the OS, you make need to update the
 parsing in mksysnum.
 
-### mksyscall.pl
+### mksyscall.go
 
 The `syscall.go`, `syscall_${GOOS}.go`, `syscall_${GOOS}_${GOARCH}.go` are
 hand-written Go files which implement system calls (for unix, the specific OS,
 or the specific OS/Architecture pair respectively) that need special handling
 and list `//sys` comments giving prototypes for ones that can be generated.
 
-The mksyscall.pl script takes the `//sys` and `//sysnb` comments and converts
+The mksyscall.go program takes the `//sys` and `//sysnb` comments and converts
 them into syscalls. This requires the name of the prototype in the comment to
 match a syscall number in the `zsysnum_${GOOS}_${GOARCH}.go` file. The function
 prototype can be exported (capitalized) or not.
@@ -160,7 +160,7 @@
 ### `zsyscall_${GOOS}_${GOARCH}.go`
 
 A file containing all the generated syscalls for a specific GOOS and GOARCH.
-Generated by `mksyscall.pl` (see above).
+Generated by `mksyscall.go` (see above).
 
 ### `zsysnum_${GOOS}_${GOARCH}.go`
 
diff --git a/vendor/golang.org/x/sys/unix/asm_netbsd_arm64.s b/vendor/golang.org/x/sys/unix/asm_netbsd_arm64.s
new file mode 100644
index 0000000..6f98ba5
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/asm_netbsd_arm64.s
@@ -0,0 +1,29 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build !gccgo
+
+#include "textflag.h"
+
+//
+// System call support for ARM64, NetBSD
+//
+
+// Just jump to package syscall's implementation for all these functions.
+// The runtime may know about them.
+
+TEXT	·Syscall(SB),NOSPLIT,$0-56
+	B	syscall·Syscall(SB)
+
+TEXT	·Syscall6(SB),NOSPLIT,$0-80
+	B	syscall·Syscall6(SB)
+
+TEXT	·Syscall9(SB),NOSPLIT,$0-104
+	B	syscall·Syscall9(SB)
+
+TEXT	·RawSyscall(SB),NOSPLIT,$0-56
+	B	syscall·RawSyscall(SB)
+
+TEXT	·RawSyscall6(SB),NOSPLIT,$0-80
+	B	syscall·RawSyscall6(SB)
diff --git a/vendor/golang.org/x/sys/unix/mkall.sh b/vendor/golang.org/x/sys/unix/mkall.sh
index 76f9cdd..75152f9 100755
--- a/vendor/golang.org/x/sys/unix/mkall.sh
+++ b/vendor/golang.org/x/sys/unix/mkall.sh
@@ -67,7 +67,7 @@
 	;;
 aix_ppc64)
 	mkerrors="$mkerrors -maix64"
-	mksyscall="./mksyscall_aix_ppc64.pl -aix"
+	mksyscall="go run mksyscall_aix_ppc64.go -aix"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	;;
 darwin_386)
@@ -170,7 +170,7 @@
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
 	;;
 solaris_amd64)
-	mksyscall="./mksyscall_solaris.pl"
+	mksyscall="go run mksyscall_solaris.go"
 	mkerrors="$mkerrors -m64"
 	mksysnum=
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
diff --git a/vendor/golang.org/x/sys/unix/mkerrors.sh b/vendor/golang.org/x/sys/unix/mkerrors.sh
index 28cc7ba..6a23484 100755
--- a/vendor/golang.org/x/sys/unix/mkerrors.sh
+++ b/vendor/golang.org/x/sys/unix/mkerrors.sh
@@ -179,8 +179,10 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/time.h>
+#include <sys/signalfd.h>
 #include <sys/socket.h>
 #include <sys/xattr.h>
+#include <linux/errqueue.h>
 #include <linux/if.h>
 #include <linux/if_alg.h>
 #include <linux/if_arp.h>
@@ -257,16 +259,6 @@
 #define FS_KEY_DESC_PREFIX              "fscrypt:"
 #define FS_KEY_DESC_PREFIX_SIZE         8
 #define FS_MAX_KEY_SIZE                 64
-
-// XDP socket constants do not appear to be picked up otherwise.
-// Copied from samples/bpf/xdpsock_user.c.
-#ifndef SOL_XDP
-#define SOL_XDP 283
-#endif
-
-#ifndef AF_XDP
-#define AF_XDP 44
-#endif
 '
 
 includes_NetBSD='
@@ -453,7 +445,7 @@
 		$2 !~ "MNT_BITS" &&
 		$2 ~ /^(MS|MNT|UMOUNT)_/ ||
 		$2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ ||
-		$2 ~ /^(O|F|E?FD|NAME|S|PTRACE|PT)_/ ||
+		$2 ~ /^(O|F|[ES]?FD|NAME|S|PTRACE|PT)_/ ||
 		$2 ~ /^KEXEC_/ ||
 		$2 ~ /^LINUX_REBOOT_CMD_/ ||
 		$2 ~ /^LINUX_REBOOT_MAGIC[12]$/ ||
@@ -480,6 +472,7 @@
 		$2 ~ /^ALG_/ ||
 		$2 ~ /^FS_(POLICY_FLAGS|KEY_DESC|ENCRYPTION_MODE|[A-Z0-9_]+_KEY_SIZE|IOC_(GET|SET)_ENCRYPTION)/ ||
 		$2 ~ /^GRND_/ ||
+		$2 ~ /^RND/ ||
 		$2 ~ /^KEY_(SPEC|REQKEY_DEFL)_/ ||
 		$2 ~ /^KEYCTL_/ ||
 		$2 ~ /^PERF_EVENT_IOC_/ ||
diff --git a/vendor/golang.org/x/sys/unix/mksyscall.go b/vendor/golang.org/x/sys/unix/mksyscall.go
index 890652c..e06e425 100644
--- a/vendor/golang.org/x/sys/unix/mksyscall.go
+++ b/vendor/golang.org/x/sys/unix/mksyscall.go
@@ -88,6 +88,10 @@
 func main() {
 	// Get the OS and architecture (using GOARCH_TARGET if it exists)
 	goos := os.Getenv("GOOS")
+	if goos == "" {
+		fmt.Fprintln(os.Stderr, "GOOS not defined in environment")
+		os.Exit(1)
+	}
 	goarch := os.Getenv("GOARCH_TARGET")
 	if goarch == "" {
 		goarch = os.Getenv("GOARCH")
diff --git a/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc64.go b/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc64.go
new file mode 100644
index 0000000..45b4429
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc64.go
@@ -0,0 +1,602 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build ignore
+
+/*
+This program reads a file containing function prototypes
+(like syscall_aix.go) and generates system call bodies.
+The prototypes are marked by lines beginning with "//sys"
+and read like func declarations if //sys is replaced by func, but:
+	* The parameter lists must give a name for each argument.
+	  This includes return parameters.
+	* The parameter lists must give a type for each argument:
+	  the (x, y, z int) shorthand is not allowed.
+	* If the return parameter is an error number, it must be named err.
+	* If go func name needs to be different than its libc name,
+	* or the function is not in libc, name could be specified
+	* at the end, after "=" sign, like
+	  //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt
+
+
+This program will generate three files and handle both gc and gccgo implementation:
+  - zsyscall_aix_ppc64.go: the common part of each implementation (error handler, pointer creation)
+  - zsyscall_aix_ppc64_gc.go: gc part with //go_cgo_import_dynamic and a call to syscall6
+  - zsyscall_aix_ppc64_gccgo.go: gccgo part with C function and conversion to C type.
+
+ The generated code looks like this
+
+zsyscall_aix_ppc64.go
+func asyscall(...) (n int, err error) {
+	 // Pointer Creation
+	 r1, e1 := callasyscall(...)
+	 // Type Conversion
+	 // Error Handler
+	 return
+}
+
+zsyscall_aix_ppc64_gc.go
+//go:cgo_import_dynamic libc_asyscall asyscall "libc.a/shr_64.o"
+//go:linkname libc_asyscall libc_asyscall
+var asyscall syscallFunc
+
+func callasyscall(...) (r1 uintptr, e1 Errno) {
+	 r1, _, e1 = syscall6(uintptr(unsafe.Pointer(&libc_asyscall)), "nb_args", ... )
+	 return
+}
+
+zsyscall_aix_ppc64_ggcgo.go
+
+// int asyscall(...)
+
+import "C"
+
+func callasyscall(...) (r1 uintptr, e1 Errno) {
+	 r1 = uintptr(C.asyscall(...))
+	 e1 = syscall.GetErrno()
+	 return
+}
+*/
+
+package main
+
+import (
+	"bufio"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"regexp"
+	"strings"
+)
+
+var (
+	b32  = flag.Bool("b32", false, "32bit big-endian")
+	l32  = flag.Bool("l32", false, "32bit little-endian")
+	aix  = flag.Bool("aix", false, "aix")
+	tags = flag.String("tags", "", "build tags")
+)
+
+// cmdLine returns this programs's commandline arguments
+func cmdLine() string {
+	return "go run mksyscall_aix_ppc64.go " + strings.Join(os.Args[1:], " ")
+}
+
+// buildTags returns build tags
+func buildTags() string {
+	return *tags
+}
+
+// Param is function parameter
+type Param struct {
+	Name string
+	Type string
+}
+
+// usage prints the program usage
+func usage() {
+	fmt.Fprintf(os.Stderr, "usage: go run mksyscall_aix_ppc64.go [-b32 | -l32] [-tags x,y] [file ...]\n")
+	os.Exit(1)
+}
+
+// parseParamList parses parameter list and returns a slice of parameters
+func parseParamList(list string) []string {
+	list = strings.TrimSpace(list)
+	if list == "" {
+		return []string{}
+	}
+	return regexp.MustCompile(`\s*,\s*`).Split(list, -1)
+}
+
+// parseParam splits a parameter into name and type
+func parseParam(p string) Param {
+	ps := regexp.MustCompile(`^(\S*) (\S*)$`).FindStringSubmatch(p)
+	if ps == nil {
+		fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p)
+		os.Exit(1)
+	}
+	return Param{ps[1], ps[2]}
+}
+
+func main() {
+	flag.Usage = usage
+	flag.Parse()
+	if len(flag.Args()) <= 0 {
+		fmt.Fprintf(os.Stderr, "no files to parse provided\n")
+		usage()
+	}
+
+	endianness := ""
+	if *b32 {
+		endianness = "big-endian"
+	} else if *l32 {
+		endianness = "little-endian"
+	}
+
+	pack := ""
+	// GCCGO
+	textgccgo := ""
+	cExtern := "/*\n#include <stdint.h>\n"
+	// GC
+	textgc := ""
+	dynimports := ""
+	linknames := ""
+	var vars []string
+	// COMMON
+	textcommon := ""
+	for _, path := range flag.Args() {
+		file, err := os.Open(path)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, err.Error())
+			os.Exit(1)
+		}
+		s := bufio.NewScanner(file)
+		for s.Scan() {
+			t := s.Text()
+			t = strings.TrimSpace(t)
+			t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `)
+			if p := regexp.MustCompile(`^package (\S+)$`).FindStringSubmatch(t); p != nil && pack == "" {
+				pack = p[1]
+			}
+			nonblock := regexp.MustCompile(`^\/\/sysnb `).FindStringSubmatch(t)
+			if regexp.MustCompile(`^\/\/sys `).FindStringSubmatch(t) == nil && nonblock == nil {
+				continue
+			}
+
+			// Line must be of the form
+			//	func Open(path string, mode int, perm int) (fd int, err error)
+			// Split into name, in params, out params.
+			f := regexp.MustCompile(`^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$`).FindStringSubmatch(t)
+			if f == nil {
+				fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t)
+				os.Exit(1)
+			}
+			funct, inps, outps, modname, sysname := f[2], f[3], f[4], f[5], f[6]
+
+			// Split argument lists on comma.
+			in := parseParamList(inps)
+			out := parseParamList(outps)
+
+			inps = strings.Join(in, ", ")
+			outps = strings.Join(out, ", ")
+
+			if sysname == "" {
+				sysname = funct
+			}
+
+			onlyCommon := false
+			if funct == "readlen" || funct == "writelen" || funct == "FcntlInt" || funct == "FcntlFlock" {
+				// This function call another syscall which is already implemented.
+				// Therefore, the gc and gccgo part must not be generated.
+				onlyCommon = true
+			}
+
+			// Try in vain to keep people from editing this file.
+			// The theory is that they jump into the middle of the file
+			// without reading the header.
+
+			textcommon += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
+			if !onlyCommon {
+				textgccgo += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
+				textgc += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
+			}
+
+			// Check if value return, err return available
+			errvar := ""
+			rettype := ""
+			for _, param := range out {
+				p := parseParam(param)
+				if p.Type == "error" {
+					errvar = p.Name
+				} else {
+					rettype = p.Type
+				}
+			}
+
+			sysname = regexp.MustCompile(`([a-z])([A-Z])`).ReplaceAllString(sysname, `${1}_$2`)
+			sysname = strings.ToLower(sysname) // All libc functions are lowercase.
+
+			// GCCGO Prototype return type
+			cRettype := ""
+			if rettype == "unsafe.Pointer" {
+				cRettype = "uintptr_t"
+			} else if rettype == "uintptr" {
+				cRettype = "uintptr_t"
+			} else if regexp.MustCompile(`^_`).FindStringSubmatch(rettype) != nil {
+				cRettype = "uintptr_t"
+			} else if rettype == "int" {
+				cRettype = "int"
+			} else if rettype == "int32" {
+				cRettype = "int"
+			} else if rettype == "int64" {
+				cRettype = "long long"
+			} else if rettype == "uint32" {
+				cRettype = "unsigned int"
+			} else if rettype == "uint64" {
+				cRettype = "unsigned long long"
+			} else {
+				cRettype = "int"
+			}
+			if sysname == "exit" {
+				cRettype = "void"
+			}
+
+			// GCCGO Prototype arguments type
+			var cIn []string
+			for i, param := range in {
+				p := parseParam(param)
+				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
+					cIn = append(cIn, "uintptr_t")
+				} else if p.Type == "string" {
+					cIn = append(cIn, "uintptr_t")
+				} else if regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type) != nil {
+					cIn = append(cIn, "uintptr_t", "size_t")
+				} else if p.Type == "unsafe.Pointer" {
+					cIn = append(cIn, "uintptr_t")
+				} else if p.Type == "uintptr" {
+					cIn = append(cIn, "uintptr_t")
+				} else if regexp.MustCompile(`^_`).FindStringSubmatch(p.Type) != nil {
+					cIn = append(cIn, "uintptr_t")
+				} else if p.Type == "int" {
+					if (i == 0 || i == 2) && funct == "fcntl" {
+						// These fcntl arguments needs to be uintptr to be able to call FcntlInt and FcntlFlock
+						cIn = append(cIn, "uintptr_t")
+					} else {
+						cIn = append(cIn, "int")
+					}
+
+				} else if p.Type == "int32" {
+					cIn = append(cIn, "int")
+				} else if p.Type == "int64" {
+					cIn = append(cIn, "long long")
+				} else if p.Type == "uint32" {
+					cIn = append(cIn, "unsigned int")
+				} else if p.Type == "uint64" {
+					cIn = append(cIn, "unsigned long long")
+				} else {
+					cIn = append(cIn, "int")
+				}
+			}
+
+			if !onlyCommon {
+				// GCCGO Prototype Generation
+				// Imports of system calls from libc
+				cExtern += fmt.Sprintf("%s %s", cRettype, sysname)
+				cIn := strings.Join(cIn, ", ")
+				cExtern += fmt.Sprintf("(%s);\n", cIn)
+			}
+			// GC Library name
+			if modname == "" {
+				modname = "libc.a/shr_64.o"
+			} else {
+				fmt.Fprintf(os.Stderr, "%s: only syscall using libc are available\n", funct)
+				os.Exit(1)
+			}
+			sysvarname := fmt.Sprintf("libc_%s", sysname)
+
+			if !onlyCommon {
+				// GC Runtime import of function to allow cross-platform builds.
+				dynimports += fmt.Sprintf("//go:cgo_import_dynamic %s %s \"%s\"\n", sysvarname, sysname, modname)
+				// GC Link symbol to proc address variable.
+				linknames += fmt.Sprintf("//go:linkname %s %s\n", sysvarname, sysvarname)
+				// GC Library proc address variable.
+				vars = append(vars, sysvarname)
+			}
+
+			strconvfunc := "BytePtrFromString"
+			strconvtype := "*byte"
+
+			// Go function header.
+			if outps != "" {
+				outps = fmt.Sprintf(" (%s)", outps)
+			}
+			if textcommon != "" {
+				textcommon += "\n"
+			}
+
+			textcommon += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outps)
+
+			// Prepare arguments tocall.
+			var argscommon []string // Arguments in the common part
+			var argscall []string   // Arguments for call prototype
+			var argsgc []string     // Arguments for gc call (with syscall6)
+			var argsgccgo []string  // Arguments for gccgo call (with C.name_of_syscall)
+			n := 0
+			argN := 0
+			for _, param := range in {
+				p := parseParam(param)
+				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
+					argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(%s))", p.Name))
+					argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name))
+					argsgc = append(argsgc, p.Name)
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
+				} else if p.Type == "string" && errvar != "" {
+					textcommon += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype)
+					textcommon += fmt.Sprintf("\t_p%d, %s = %s(%s)\n", n, errvar, strconvfunc, p.Name)
+					textcommon += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar)
+
+					argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
+					argscall = append(argscall, fmt.Sprintf("_p%d uintptr ", n))
+					argsgc = append(argsgc, fmt.Sprintf("_p%d", n))
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(_p%d)", n))
+					n++
+				} else if p.Type == "string" {
+					fmt.Fprintf(os.Stderr, path+":"+funct+" uses string arguments, but has no error return\n")
+					textcommon += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype)
+					textcommon += fmt.Sprintf("\t_p%d, %s = %s(%s)\n", n, errvar, strconvfunc, p.Name)
+					textcommon += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar)
+
+					argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
+					argscall = append(argscall, fmt.Sprintf("_p%d uintptr", n))
+					argsgc = append(argsgc, fmt.Sprintf("_p%d", n))
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(_p%d)", n))
+					n++
+				} else if m := regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type); m != nil {
+					// Convert slice into pointer, length.
+					// Have to be careful not to take address of &a[0] if len == 0:
+					// pass nil in that case.
+					textcommon += fmt.Sprintf("\tvar _p%d *%s\n", n, m[1])
+					textcommon += fmt.Sprintf("\tif len(%s) > 0 {\n\t\t_p%d = &%s[0]\n\t}\n", p.Name, n, p.Name)
+					argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n), fmt.Sprintf("len(%s)", p.Name))
+					argscall = append(argscall, fmt.Sprintf("_p%d uintptr", n), fmt.Sprintf("_lenp%d int", n))
+					argsgc = append(argsgc, fmt.Sprintf("_p%d", n), fmt.Sprintf("uintptr(_lenp%d)", n))
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(_p%d)", n), fmt.Sprintf("C.size_t(_lenp%d)", n))
+					n++
+				} else if p.Type == "int64" && endianness != "" {
+					fmt.Fprintf(os.Stderr, path+":"+funct+" uses int64 with 32 bits mode. Case not yet implemented\n")
+				} else if p.Type == "bool" {
+					fmt.Fprintf(os.Stderr, path+":"+funct+" uses bool. Case not yet implemented\n")
+				} else if regexp.MustCompile(`^_`).FindStringSubmatch(p.Type) != nil || p.Type == "unsafe.Pointer" {
+					argscommon = append(argscommon, fmt.Sprintf("uintptr(%s)", p.Name))
+					argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name))
+					argsgc = append(argsgc, p.Name)
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
+				} else if p.Type == "int" {
+					if (argN == 0 || argN == 2) && ((funct == "fcntl") || (funct == "FcntlInt") || (funct == "FcntlFlock")) {
+						// These fcntl arguments need to be uintptr to be able to call FcntlInt and FcntlFlock
+						argscommon = append(argscommon, fmt.Sprintf("uintptr(%s)", p.Name))
+						argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name))
+						argsgc = append(argsgc, p.Name)
+						argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
+
+					} else {
+						argscommon = append(argscommon, p.Name)
+						argscall = append(argscall, fmt.Sprintf("%s int", p.Name))
+						argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
+						argsgccgo = append(argsgccgo, fmt.Sprintf("C.int(%s)", p.Name))
+					}
+				} else if p.Type == "int32" {
+					argscommon = append(argscommon, p.Name)
+					argscall = append(argscall, fmt.Sprintf("%s int32", p.Name))
+					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.int(%s)", p.Name))
+				} else if p.Type == "int64" {
+					argscommon = append(argscommon, p.Name)
+					argscall = append(argscall, fmt.Sprintf("%s int64", p.Name))
+					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.longlong(%s)", p.Name))
+				} else if p.Type == "uint32" {
+					argscommon = append(argscommon, p.Name)
+					argscall = append(argscall, fmt.Sprintf("%s uint32", p.Name))
+					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uint(%s)", p.Name))
+				} else if p.Type == "uint64" {
+					argscommon = append(argscommon, p.Name)
+					argscall = append(argscall, fmt.Sprintf("%s uint64", p.Name))
+					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.ulonglong(%s)", p.Name))
+				} else if p.Type == "uintptr" {
+					argscommon = append(argscommon, p.Name)
+					argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name))
+					argsgc = append(argsgc, p.Name)
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
+				} else {
+					argscommon = append(argscommon, fmt.Sprintf("int(%s)", p.Name))
+					argscall = append(argscall, fmt.Sprintf("%s int", p.Name))
+					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.int(%s)", p.Name))
+				}
+				argN++
+			}
+			nargs := len(argsgc)
+
+			// COMMON function generation
+			argscommonlist := strings.Join(argscommon, ", ")
+			callcommon := fmt.Sprintf("call%s(%s)", sysname, argscommonlist)
+			ret := []string{"_", "_"}
+			body := ""
+			doErrno := false
+			for i := 0; i < len(out); i++ {
+				p := parseParam(out[i])
+				reg := ""
+				if p.Name == "err" {
+					reg = "e1"
+					ret[1] = reg
+					doErrno = true
+				} else {
+					reg = "r0"
+					ret[0] = reg
+				}
+				if p.Type == "bool" {
+					reg = fmt.Sprintf("%s != 0", reg)
+				}
+				if reg != "e1" {
+					body += fmt.Sprintf("\t%s = %s(%s)\n", p.Name, p.Type, reg)
+				}
+			}
+			if ret[0] == "_" && ret[1] == "_" {
+				textcommon += fmt.Sprintf("\t%s\n", callcommon)
+			} else {
+				textcommon += fmt.Sprintf("\t%s, %s := %s\n", ret[0], ret[1], callcommon)
+			}
+			textcommon += body
+
+			if doErrno {
+				textcommon += "\tif e1 != 0 {\n"
+				textcommon += "\t\terr = errnoErr(e1)\n"
+				textcommon += "\t}\n"
+			}
+			textcommon += "\treturn\n"
+			textcommon += "}\n"
+
+			if onlyCommon {
+				continue
+			}
+
+			// CALL Prototype
+			callProto := fmt.Sprintf("func call%s(%s) (r1 uintptr, e1 Errno) {\n", sysname, strings.Join(argscall, ", "))
+
+			// GC function generation
+			asm := "syscall6"
+			if nonblock != nil {
+				asm = "rawSyscall6"
+			}
+
+			if len(argsgc) <= 6 {
+				for len(argsgc) < 6 {
+					argsgc = append(argsgc, "0")
+				}
+			} else {
+				fmt.Fprintf(os.Stderr, "%s: too many arguments to system call", funct)
+				os.Exit(1)
+			}
+			argsgclist := strings.Join(argsgc, ", ")
+			callgc := fmt.Sprintf("%s(uintptr(unsafe.Pointer(&%s)), %d, %s)", asm, sysvarname, nargs, argsgclist)
+
+			textgc += callProto
+			textgc += fmt.Sprintf("\tr1, _, e1 = %s\n", callgc)
+			textgc += "\treturn\n}\n"
+
+			// GCCGO function generation
+			argsgccgolist := strings.Join(argsgccgo, ", ")
+			callgccgo := fmt.Sprintf("C.%s(%s)", sysname, argsgccgolist)
+			textgccgo += callProto
+			textgccgo += fmt.Sprintf("\tr1 = uintptr(%s)\n", callgccgo)
+			textgccgo += "\te1 = syscall.GetErrno()\n"
+			textgccgo += "\treturn\n}\n"
+		}
+		if err := s.Err(); err != nil {
+			fmt.Fprintf(os.Stderr, err.Error())
+			os.Exit(1)
+		}
+		file.Close()
+	}
+	imp := ""
+	if pack != "unix" {
+		imp = "import \"golang.org/x/sys/unix\"\n"
+
+	}
+
+	// Print zsyscall_aix_ppc64.go
+	err := ioutil.WriteFile("zsyscall_aix_ppc64.go",
+		[]byte(fmt.Sprintf(srcTemplate1, cmdLine(), buildTags(), pack, imp, textcommon)),
+		0644)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	// Print zsyscall_aix_ppc64_gc.go
+	vardecls := "\t" + strings.Join(vars, ",\n\t")
+	vardecls += " syscallFunc"
+	err = ioutil.WriteFile("zsyscall_aix_ppc64_gc.go",
+		[]byte(fmt.Sprintf(srcTemplate2, cmdLine(), buildTags(), pack, imp, dynimports, linknames, vardecls, textgc)),
+		0644)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	// Print zsyscall_aix_ppc64_gccgo.go
+	err = ioutil.WriteFile("zsyscall_aix_ppc64_gccgo.go",
+		[]byte(fmt.Sprintf(srcTemplate3, cmdLine(), buildTags(), pack, cExtern, imp, textgccgo)),
+		0644)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+}
+
+const srcTemplate1 = `// %s
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build %s
+
+package %s
+
+import (
+	"unsafe"
+)
+
+
+%s
+
+%s
+`
+const srcTemplate2 = `// %s
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build %s
+// +build !gccgo
+
+package %s
+
+import (
+	"unsafe"
+)
+%s
+%s
+%s
+type syscallFunc uintptr
+
+var (
+%s
+)
+
+// Implemented in runtime/syscall_aix.go.
+func rawSyscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+func syscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+
+%s
+`
+const srcTemplate3 = `// %s
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build %s
+// +build gccgo
+
+package %s
+
+%s
+*/
+import "C"
+import (
+	"syscall"
+)
+
+
+%s
+
+%s
+`
diff --git a/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc64.pl b/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc64.pl
deleted file mode 100755
index 53df26b..0000000
--- a/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc64.pl
+++ /dev/null
@@ -1,579 +0,0 @@
-#!/usr/bin/env perl
-# Copyright 2018 The Go Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style
-# license that can be found in the LICENSE file.
-
-# This program reads a file containing function prototypes
-# (like syscall_aix.go) and generates system call bodies.
-# The prototypes are marked by lines beginning with "//sys"
-# and read like func declarations if //sys is replaced by func, but:
-#	* The parameter lists must give a name for each argument.
-#	  This includes return parameters.
-#	* The parameter lists must give a type for each argument:
-#	  the (x, y, z int) shorthand is not allowed.
-#	* If the return parameter is an error number, it must be named err.
-#	* If go func name needs to be different than its libc name,
-#	* or the function is not in libc, name could be specified
-#	* at the end, after "=" sign, like
-#	  //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt
-
-# This program will generate three files and handle both gc and gccgo implementation:
-#   - zsyscall_aix_ppc64.go: the common part of each implementation (error handler, pointer creation)
-#   - zsyscall_aix_ppc64_gc.go: gc part with //go_cgo_import_dynamic and a call to syscall6
-#   - zsyscall_aix_ppc64_gccgo.go: gccgo part with C function and conversion to C type.
-
-# The generated code looks like this
-#
-# zsyscall_aix_ppc64.go
-# func asyscall(...) (n int, err error) {
-#	  // Pointer Creation
-#	  r1, e1 := callasyscall(...)
-#	  // Type Conversion
-#	  // Error Handler
-#	  return
-# }
-#
-# zsyscall_aix_ppc64_gc.go
-# //go:cgo_import_dynamic libc_asyscall asyscall "libc.a/shr_64.o"
-# //go:linkname libc_asyscall libc_asyscall
-# var asyscall syscallFunc
-#
-# func callasyscall(...) (r1 uintptr, e1 Errno) {
-#	  r1, _, e1 = syscall6(uintptr(unsafe.Pointer(&libc_asyscall)), "nb_args", ... )
-#	  return
-# }
-#
-# zsyscall_aix_ppc64_ggcgo.go
-# /*
-#  int asyscall(...)
-#
-# */
-# import "C"
-#
-# func callasyscall(...) (r1 uintptr, e1 Errno) {
-#	  r1 = uintptr(C.asyscall(...))
-#	  e1 = syscall.GetErrno()
-#	  return
-# }
-
-
-
-use strict;
-
-my $cmdline = "mksyscall_aix_ppc64.pl " . join(' ', @ARGV);
-my $errors = 0;
-my $_32bit = "";
-my $tags = "";  # build tags
-my $aix = 0;
-my $solaris = 0;
-
-binmode STDOUT;
-
-if($ARGV[0] eq "-b32") {
-	$_32bit = "big-endian";
-	shift;
-} elsif($ARGV[0] eq "-l32") {
-	$_32bit = "little-endian";
-	shift;
-}
-if($ARGV[0] eq "-aix") {
-	$aix = 1;
-	shift;
-}
-if($ARGV[0] eq "-tags") {
-	shift;
-	$tags = $ARGV[0];
-	shift;
-}
-
-if($ARGV[0] =~ /^-/) {
-	print STDERR "usage: mksyscall_aix.pl [-b32 | -l32] [-tags x,y] [file ...]\n";
-	exit 1;
-}
-
-sub parseparamlist($) {
-	my ($list) = @_;
-	$list =~ s/^\s*//;
-	$list =~ s/\s*$//;
-	if($list eq "") {
-		return ();
-	}
-	return split(/\s*,\s*/, $list);
-}
-
-sub parseparam($) {
-	my ($p) = @_;
-	if($p !~ /^(\S*) (\S*)$/) {
-		print STDERR "$ARGV:$.: malformed parameter: $p\n";
-		$errors = 1;
-		return ("xx", "int");
-	}
-	return ($1, $2);
-}
-
-my $package = "";
-# GCCGO
-my $textgccgo = "";
-my $c_extern = "/*\n#include <stdint.h>\n";
-# GC
-my $textgc = "";
-my $dynimports = "";
-my $linknames = "";
-my @vars = ();
-# COMMUN
-my $textcommon = "";
-
-while(<>) {
-	chomp;
-	s/\s+/ /g;
-	s/^\s+//;
-	s/\s+$//;
-	$package = $1 if !$package && /^package (\S+)$/;
-	my $nonblock = /^\/\/sysnb /;
-	next if !/^\/\/sys / && !$nonblock;
-
-	# Line must be of the form
-	# func Open(path string, mode int, perm int) (fd int, err error)
-	# Split into name, in params, out params.
-	if(!/^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$/) {
-		print STDERR "$ARGV:$.: malformed //sys declaration\n";
-		$errors = 1;
-		next;
-	}
-	my ($nb, $func, $in, $out, $modname, $sysname) = ($1, $2, $3, $4, $5, $6);
-
-	# Split argument lists on comma.
-	my @in = parseparamlist($in);
-	my @out = parseparamlist($out);
-
-	$in = join(', ', @in);
-	$out = join(', ', @out);
-
-	if($sysname eq "") {
-		$sysname = "$func";
-	}
-
-	my $onlyCommon = 0;
-	if ($func eq "readlen" || $func eq "writelen" || $func eq "FcntlInt" || $func eq "FcntlFlock") {
-		# This function call another syscall which is already implemented.
-		# Therefore, the gc and gccgo part must not be generated.
-		$onlyCommon = 1
-	}
-
-	# Try in vain to keep people from editing this file.
-	# The theory is that they jump into the middle of the file
-	# without reading the header.
-
-	$textcommon .= "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n";
-	if (!$onlyCommon) {
-		$textgccgo .= "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n";
-		$textgc .= "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n";
-	}
-
-
-	# Check if value return, err return available
-	my $errvar = "";
-	my $retvar = "";
-	my $rettype = "";
-	foreach my $p (@out) {
-		my ($name, $type) = parseparam($p);
-		if($type eq "error") {
-			$errvar = $name;
-		} else {
-			$retvar = $name;
-			$rettype = $type;
-		}
-	}
-
-
-	$sysname =~ s/([a-z])([A-Z])/${1}_$2/g;
-	$sysname =~ y/A-Z/a-z/; # All libc functions are lowercase.
-
-	# GCCGO Prototype return type
-	my $C_rettype = "";
-	if($rettype eq "unsafe.Pointer") {
-		$C_rettype = "uintptr_t";
-	} elsif($rettype eq "uintptr") {
-		$C_rettype = "uintptr_t";
-	} elsif($rettype =~ /^_/) {
-		$C_rettype = "uintptr_t";
-	} elsif($rettype eq "int") {
-		$C_rettype = "int";
-	} elsif($rettype eq "int32") {
-		$C_rettype = "int";
-	} elsif($rettype eq "int64") {
-		$C_rettype = "long long";
-	} elsif($rettype eq "uint32") {
-		$C_rettype = "unsigned int";
-	} elsif($rettype eq "uint64") {
-		$C_rettype = "unsigned long long";
-	} else {
-		$C_rettype = "int";
-	}
-	if($sysname eq "exit") {
-		$C_rettype = "void";
-	}
-
-	# GCCGO Prototype arguments type
-	my @c_in = ();
-	foreach my $i (0 .. $#in) {
-		my ($name, $type) = parseparam($in[$i]);
-		if($type =~ /^\*/) {
-			push @c_in, "uintptr_t";
-			} elsif($type eq "string") {
-			push @c_in, "uintptr_t";
-		} elsif($type =~ /^\[\](.*)/) {
-			push @c_in, "uintptr_t", "size_t";
-		} elsif($type eq "unsafe.Pointer") {
-			push @c_in, "uintptr_t";
-		} elsif($type eq "uintptr") {
-			push @c_in, "uintptr_t";
-		} elsif($type =~ /^_/) {
-			push @c_in, "uintptr_t";
-		} elsif($type eq "int") {
-			if (($i == 0 || $i == 2) && $func eq "fcntl"){
-				# These fcntl arguments needs to be uintptr to be able to call FcntlInt and FcntlFlock
-				push @c_in, "uintptr_t";
-			} else {
-				push @c_in, "int";
-			}
-		} elsif($type eq "int32") {
-			push @c_in, "int";
-		} elsif($type eq "int64") {
-			push @c_in, "long long";
-		} elsif($type eq "uint32") {
-			push @c_in, "unsigned int";
-		} elsif($type eq "uint64") {
-			push @c_in, "unsigned long long";
-		} else {
-			push @c_in, "int";
-		}
-	}
-
-	if (!$onlyCommon){
-		# GCCGO Prototype Generation
-		# Imports of system calls from libc
-		$c_extern .= "$C_rettype $sysname";
-		my $c_in = join(', ', @c_in);
-		$c_extern .= "($c_in);\n";
-	}
-
-	# GC Library name
-	if($modname eq "") {
-		$modname = "libc.a/shr_64.o";
-	} else {
-		print STDERR "$func: only syscall using libc are available\n";
-		$errors = 1;
-		next;
-	}
-	my $sysvarname = "libc_${sysname}";
-
-	if (!$onlyCommon){
-		# GC Runtime import of function to allow cross-platform builds.
-		$dynimports .= "//go:cgo_import_dynamic ${sysvarname} ${sysname} \"$modname\"\n";
-		# GC Link symbol to proc address variable.
-		$linknames .= "//go:linkname ${sysvarname} ${sysvarname}\n";
-		# GC Library proc address variable.
-		push @vars, $sysvarname;
-	}
-
-	my $strconvfunc ="BytePtrFromString";
-	my $strconvtype = "*byte";
-
-	# Go function header.
-	if($out ne "") {
-		$out = " ($out)";
-	}
-	if($textcommon ne "") {
-		$textcommon .= "\n"
-	}
-
-	$textcommon .= sprintf "func %s(%s)%s {\n", $func, join(', ', @in), $out ;
-
-	# Prepare arguments to call.
-	my @argscommun = (); # Arguments in the commun part
-	my @argscall = ();   # Arguments for call prototype
-	my @argsgc = ();     # Arguments for gc call (with syscall6)
-	my @argsgccgo = ();  # Arguments for gccgo call (with C.name_of_syscall)
-	my $n = 0;
-	my $arg_n = 0;
-	foreach my $p (@in) {
-		my ($name, $type) = parseparam($p);
-		if($type =~ /^\*/) {
-			push @argscommun, "uintptr(unsafe.Pointer($name))";
-			push @argscall, "$name uintptr";
-			push @argsgc, "$name";
-			push @argsgccgo, "C.uintptr_t($name)";
-		} elsif($type eq "string" && $errvar ne "") {
-			$textcommon .= "\tvar _p$n $strconvtype\n";
-			$textcommon .= "\t_p$n, $errvar = $strconvfunc($name)\n";
-			$textcommon .= "\tif $errvar != nil {\n\t\treturn\n\t}\n";
-
-			push @argscommun, "uintptr(unsafe.Pointer(_p$n))";
-			push @argscall, "_p$n uintptr ";
-			push @argsgc, "_p$n";
-			push @argsgccgo, "C.uintptr_t(_p$n)";
-			$n++;
-		} elsif($type eq "string") {
-			print STDERR "$ARGV:$.: $func uses string arguments, but has no error return\n";
-			$textcommon .= "\tvar _p$n $strconvtype\n";
-			$textcommon .= "\t_p$n, $errvar = $strconvfunc($name)\n";
-			$textcommon .= "\tif $errvar != nil {\n\t\treturn\n\t}\n";
-
-			push @argscommun, "uintptr(unsafe.Pointer(_p$n))";
-			push @argscall, "_p$n uintptr";
-			push @argsgc, "_p$n";
-			push @argsgccgo, "C.uintptr_t(_p$n)";
-			$n++;
-		} elsif($type =~ /^\[\](.*)/) {
-			# Convert slice into pointer, length.
-			# Have to be careful not to take address of &a[0] if len == 0:
-			# pass nil in that case.
-			$textcommon .= "\tvar _p$n *$1\n";
-			$textcommon .= "\tif len($name) > 0 {\n\t\t_p$n = \&$name\[0]\n\t}\n";
-			push @argscommun, "uintptr(unsafe.Pointer(_p$n))", "len($name)";
-			push @argscall, "_p$n uintptr", "_lenp$n int";
-			push @argsgc, "_p$n", "uintptr(_lenp$n)";
-			push @argsgccgo, "C.uintptr_t(_p$n)", "C.size_t(_lenp$n)";
-			$n++;
-		} elsif($type eq "int64" && $_32bit ne "") {
-			print STDERR "$ARGV:$.: $func uses int64 with 32 bits mode. Case not yet implemented\n";
-			# if($_32bit eq "big-endian") {
-			# 	push @args, "uintptr($name >> 32)", "uintptr($name)";
-			# } else {
-			# 	push @args, "uintptr($name)", "uintptr($name >> 32)";
-			# }
-			# $n++;
-		} elsif($type eq "bool") {
-			print STDERR "$ARGV:$.: $func uses bool. Case not yet implemented\n";
-			# $text .= "\tvar _p$n uint32\n";
-			# $text .= "\tif $name {\n\t\t_p$n = 1\n\t} else {\n\t\t_p$n = 0\n\t}\n";
-			# push @args, "_p$n";
-			# $n++;
-		} elsif($type =~ /^_/ ||$type eq "unsafe.Pointer") {
-			push @argscommun, "uintptr($name)";
-			push @argscall, "$name uintptr";
-			push @argsgc, "$name";
-			push @argsgccgo, "C.uintptr_t($name)";
-		} elsif($type eq "int") {
-			if (($arg_n == 0 || $arg_n == 2) && ($func eq "fcntl" || $func eq "FcntlInt" || $func eq "FcntlFlock")) {
-				# These fcntl arguments need to be uintptr to be able to call FcntlInt and FcntlFlock
-				push @argscommun, "uintptr($name)";
-				push @argscall, "$name uintptr";
-				push @argsgc, "$name";
-				push @argsgccgo, "C.uintptr_t($name)";
-			} else {
-				push @argscommun, "$name";
-				push @argscall, "$name int";
-				push @argsgc, "uintptr($name)";
-				push @argsgccgo, "C.int($name)";
-			}
-		} elsif($type eq "int32") {
-			push @argscommun, "$name";
-			push @argscall, "$name int32";
-			push @argsgc, "uintptr($name)";
-			push @argsgccgo, "C.int($name)";
-		} elsif($type eq "int64") {
-			push @argscommun, "$name";
-			push @argscall, "$name int64";
-			push @argsgc, "uintptr($name)";
-			push @argsgccgo, "C.longlong($name)";
-		} elsif($type eq "uint32") {
-			push @argscommun, "$name";
-			push @argscall, "$name uint32";
-			push @argsgc, "uintptr($name)";
-			push @argsgccgo, "C.uint($name)";
-		} elsif($type eq "uint64") {
-			push @argscommun, "$name";
-			push @argscall, "$name uint64";
-			push @argsgc, "uintptr($name)";
-			push @argsgccgo, "C.ulonglong($name)";
-		} elsif($type eq "uintptr") {
-			push @argscommun, "$name";
-			push @argscall, "$name uintptr";
-			push @argsgc, "$name";
-			push @argsgccgo, "C.uintptr_t($name)";
-		} else {
-			push @argscommun, "int($name)";
-			push @argscall, "$name int";
-			push @argsgc, "uintptr($name)";
-			push @argsgccgo, "C.int($name)";
-		}
-		$arg_n++;
-	}
-	my $nargs = @argsgc;
-
-	# COMMUN function generation
-	my $argscommun = join(', ', @argscommun);
-	my $callcommun = "call$sysname($argscommun)";
-	my @ret = ("_", "_");
-	my $body = "";
-	my $do_errno = 0;
-	for(my $i=0; $i<@out; $i++) {
-		my $p = $out[$i];
-		my ($name, $type) = parseparam($p);
-		my $reg = "";
-		if($name eq "err") {
-			$reg = "e1";
-			$ret[1] = $reg;
-			$do_errno = 1;
-		} else {
-			$reg = "r0";
-			$ret[0] = $reg;
-		}
-		if($type eq "bool") {
-			$reg = "$reg != 0";
-		}
-		if($reg ne "e1") {
-			$body .= "\t$name = $type($reg)\n";
-		}
-	}
-	if ($ret[0] eq "_"  && $ret[1] eq "_") {
-		$textcommon .= "\t$callcommun\n";
-	} else {
-		$textcommon .= "\t$ret[0], $ret[1] := $callcommun\n";
-	}
-	$textcommon .= $body;
-
-	if ($do_errno) {
-		$textcommon .= "\tif e1 != 0 {\n";
-		$textcommon .= "\t\terr = errnoErr(e1)\n";
-		$textcommon .= "\t}\n";
-	}
-	$textcommon .= "\treturn\n";
-	$textcommon .= "}\n";
-
-	if ($onlyCommon){
-		next
-	}
-	# CALL Prototype
-	my $callProto = sprintf "func call%s(%s) (r1 uintptr, e1 Errno) {\n", $sysname, join(', ', @argscall);
-
-	# GC function generation
-	my $asm = "syscall6";
-	if ($nonblock) {
-		$asm = "rawSyscall6";
-	}
-
-	if(@argsgc <= 6) {
-		while(@argsgc < 6) {
-			push @argsgc, "0";
-		}
-	} else {
-		print STDERR "$ARGV:$.: too many arguments to system call\n";
-	}
-	my $argsgc = join(', ', @argsgc);
-	my $callgc = "$asm(uintptr(unsafe.Pointer(&$sysvarname)), $nargs, $argsgc)";
-
-	$textgc .= $callProto;
-	$textgc .= "\tr1, _, e1 = $callgc\n";
-	$textgc .= "\treturn\n}\n";
-
-	# GCCGO function generation
-	my $argsgccgo = join(', ', @argsgccgo);
-	my $callgccgo = "C.$sysname($argsgccgo)";
-	$textgccgo .= $callProto;
-	$textgccgo .= "\tr1 = uintptr($callgccgo)\n";
-	$textgccgo .= "\te1 = syscall.GetErrno()\n";
-	$textgccgo .= "\treturn\n}\n";
-}
-
-if($errors) {
-	exit 1;
-}
-
-# Print zsyscall_aix_ppc64.go
-open(my $fcommun, '>', 'zsyscall_aix_ppc64.go');
-my $tofcommun = <<EOF;
-// $cmdline
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build $tags
-
-package $package
-
-import (
-	"unsafe"
-)
-
-EOF
-
-$tofcommun .= "import \"golang.org/x/sys/unix\"\n" if $package ne "unix";
-
-$tofcommun .=<<EOF;
-
-$textcommon
-EOF
-print $fcommun $tofcommun;
-
-
-# Print zsyscall_aix_ppc64_gc.go
-open(my $fgc, '>', 'zsyscall_aix_ppc64_gc.go');
-my $tofgc = <<EOF;
-// $cmdline
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build $tags
-// +build !gccgo
-
-package $package
-
-import (
-	"unsafe"
-)
-
-
-EOF
-
-$tofgc .= "import \"golang.org/x/sys/unix\"\n" if $package ne "unix";
-
-my $vardecls = "\t" . join(",\n\t", @vars);
-$vardecls .= " syscallFunc";
-
-$tofgc .=<<EOF;
-$dynimports
-$linknames
-type syscallFunc uintptr
-
-var (
-$vardecls
-)
-
-// Implemented in runtime/syscall_aix.go.
-func rawSyscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
-func syscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
-
-$textgc
-EOF
-print $fgc $tofgc;
-
-# Print zsyscall_aix_ppc64_gc.go
-open(my $fgccgo, '>', 'zsyscall_aix_ppc64_gccgo.go');
-my $tofgccgo = <<EOF;
-// $cmdline
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build $tags
-// +build gccgo
-
-package $package
-
-
-$c_extern
-*/
-import "C"
-import (
-	"syscall"
-)
-
-
-EOF
-
-$tofgccgo .= "import \"golang.org/x/sys/unix\"\n" if $package ne "unix";
-
-$tofgccgo .=<<EOF;
-
-$textgccgo
-EOF
-print $fgccgo $tofgccgo;
-exit 0;
diff --git a/vendor/golang.org/x/sys/unix/mksyscall_solaris.go b/vendor/golang.org/x/sys/unix/mksyscall_solaris.go
new file mode 100644
index 0000000..3d86473
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/mksyscall_solaris.go
@@ -0,0 +1,335 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build ignore
+
+/*
+ This program reads a file containing function prototypes
+ (like syscall_solaris.go) and generates system call bodies.
+ The prototypes are marked by lines beginning with "//sys"
+ and read like func declarations if //sys is replaced by func, but:
+	* The parameter lists must give a name for each argument.
+	  This includes return parameters.
+	* The parameter lists must give a type for each argument:
+	  the (x, y, z int) shorthand is not allowed.
+	* If the return parameter is an error number, it must be named err.
+	* If go func name needs to be different than its libc name,
+	* or the function is not in libc, name could be specified
+	* at the end, after "=" sign, like
+	  //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt
+*/
+
+package main
+
+import (
+	"bufio"
+	"flag"
+	"fmt"
+	"os"
+	"regexp"
+	"strings"
+)
+
+var (
+	b32  = flag.Bool("b32", false, "32bit big-endian")
+	l32  = flag.Bool("l32", false, "32bit little-endian")
+	tags = flag.String("tags", "", "build tags")
+)
+
+// cmdLine returns this programs's commandline arguments
+func cmdLine() string {
+	return "go run mksyscall_solaris.go " + strings.Join(os.Args[1:], " ")
+}
+
+// buildTags returns build tags
+func buildTags() string {
+	return *tags
+}
+
+// Param is function parameter
+type Param struct {
+	Name string
+	Type string
+}
+
+// usage prints the program usage
+func usage() {
+	fmt.Fprintf(os.Stderr, "usage: go run mksyscall_solaris.go [-b32 | -l32] [-tags x,y] [file ...]\n")
+	os.Exit(1)
+}
+
+// parseParamList parses parameter list and returns a slice of parameters
+func parseParamList(list string) []string {
+	list = strings.TrimSpace(list)
+	if list == "" {
+		return []string{}
+	}
+	return regexp.MustCompile(`\s*,\s*`).Split(list, -1)
+}
+
+// parseParam splits a parameter into name and type
+func parseParam(p string) Param {
+	ps := regexp.MustCompile(`^(\S*) (\S*)$`).FindStringSubmatch(p)
+	if ps == nil {
+		fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p)
+		os.Exit(1)
+	}
+	return Param{ps[1], ps[2]}
+}
+
+func main() {
+	flag.Usage = usage
+	flag.Parse()
+	if len(flag.Args()) <= 0 {
+		fmt.Fprintf(os.Stderr, "no files to parse provided\n")
+		usage()
+	}
+
+	endianness := ""
+	if *b32 {
+		endianness = "big-endian"
+	} else if *l32 {
+		endianness = "little-endian"
+	}
+
+	pack := ""
+	text := ""
+	dynimports := ""
+	linknames := ""
+	var vars []string
+	for _, path := range flag.Args() {
+		file, err := os.Open(path)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, err.Error())
+			os.Exit(1)
+		}
+		s := bufio.NewScanner(file)
+		for s.Scan() {
+			t := s.Text()
+			t = strings.TrimSpace(t)
+			t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `)
+			if p := regexp.MustCompile(`^package (\S+)$`).FindStringSubmatch(t); p != nil && pack == "" {
+				pack = p[1]
+			}
+			nonblock := regexp.MustCompile(`^\/\/sysnb `).FindStringSubmatch(t)
+			if regexp.MustCompile(`^\/\/sys `).FindStringSubmatch(t) == nil && nonblock == nil {
+				continue
+			}
+
+			// Line must be of the form
+			//	func Open(path string, mode int, perm int) (fd int, err error)
+			// Split into name, in params, out params.
+			f := regexp.MustCompile(`^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$`).FindStringSubmatch(t)
+			if f == nil {
+				fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t)
+				os.Exit(1)
+			}
+			funct, inps, outps, modname, sysname := f[2], f[3], f[4], f[5], f[6]
+
+			// Split argument lists on comma.
+			in := parseParamList(inps)
+			out := parseParamList(outps)
+
+			inps = strings.Join(in, ", ")
+			outps = strings.Join(out, ", ")
+
+			// Try in vain to keep people from editing this file.
+			// The theory is that they jump into the middle of the file
+			// without reading the header.
+			text += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
+
+			// So file name.
+			if modname == "" {
+				modname = "libc"
+			}
+
+			// System call name.
+			if sysname == "" {
+				sysname = funct
+			}
+
+			// System call pointer variable name.
+			sysvarname := fmt.Sprintf("proc%s", sysname)
+
+			strconvfunc := "BytePtrFromString"
+			strconvtype := "*byte"
+
+			sysname = strings.ToLower(sysname) // All libc functions are lowercase.
+
+			// Runtime import of function to allow cross-platform builds.
+			dynimports += fmt.Sprintf("//go:cgo_import_dynamic libc_%s %s \"%s.so\"\n", sysname, sysname, modname)
+			// Link symbol to proc address variable.
+			linknames += fmt.Sprintf("//go:linkname %s libc_%s\n", sysvarname, sysname)
+			// Library proc address variable.
+			vars = append(vars, sysvarname)
+
+			// Go function header.
+			outlist := strings.Join(out, ", ")
+			if outlist != "" {
+				outlist = fmt.Sprintf(" (%s)", outlist)
+			}
+			if text != "" {
+				text += "\n"
+			}
+			text += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outlist)
+
+			// Check if err return available
+			errvar := ""
+			for _, param := range out {
+				p := parseParam(param)
+				if p.Type == "error" {
+					errvar = p.Name
+					continue
+				}
+			}
+
+			// Prepare arguments to Syscall.
+			var args []string
+			n := 0
+			for _, param := range in {
+				p := parseParam(param)
+				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
+					args = append(args, "uintptr(unsafe.Pointer("+p.Name+"))")
+				} else if p.Type == "string" && errvar != "" {
+					text += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype)
+					text += fmt.Sprintf("\t_p%d, %s = %s(%s)\n", n, errvar, strconvfunc, p.Name)
+					text += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar)
+					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
+					n++
+				} else if p.Type == "string" {
+					fmt.Fprintf(os.Stderr, path+":"+funct+" uses string arguments, but has no error return\n")
+					text += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype)
+					text += fmt.Sprintf("\t_p%d, _ = %s(%s)\n", n, strconvfunc, p.Name)
+					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
+					n++
+				} else if s := regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type); s != nil {
+					// Convert slice into pointer, length.
+					// Have to be careful not to take address of &a[0] if len == 0:
+					// pass nil in that case.
+					text += fmt.Sprintf("\tvar _p%d *%s\n", n, s[1])
+					text += fmt.Sprintf("\tif len(%s) > 0 {\n\t\t_p%d = &%s[0]\n\t}\n", p.Name, n, p.Name)
+					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n), fmt.Sprintf("uintptr(len(%s))", p.Name))
+					n++
+				} else if p.Type == "int64" && endianness != "" {
+					if endianness == "big-endian" {
+						args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name))
+					} else {
+						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name))
+					}
+				} else if p.Type == "bool" {
+					text += fmt.Sprintf("\tvar _p%d uint32\n", n)
+					text += fmt.Sprintf("\tif %s {\n\t\t_p%d = 1\n\t} else {\n\t\t_p%d = 0\n\t}\n", p.Name, n, n)
+					args = append(args, fmt.Sprintf("uintptr(_p%d)", n))
+					n++
+				} else {
+					args = append(args, fmt.Sprintf("uintptr(%s)", p.Name))
+				}
+			}
+			nargs := len(args)
+
+			// Determine which form to use; pad args with zeros.
+			asm := "sysvicall6"
+			if nonblock != nil {
+				asm = "rawSysvicall6"
+			}
+			if len(args) <= 6 {
+				for len(args) < 6 {
+					args = append(args, "0")
+				}
+			} else {
+				fmt.Fprintf(os.Stderr, "%s: too many arguments to system call\n", path)
+				os.Exit(1)
+			}
+
+			// Actual call.
+			arglist := strings.Join(args, ", ")
+			call := fmt.Sprintf("%s(uintptr(unsafe.Pointer(&%s)), %d, %s)", asm, sysvarname, nargs, arglist)
+
+			// Assign return values.
+			body := ""
+			ret := []string{"_", "_", "_"}
+			doErrno := false
+			for i := 0; i < len(out); i++ {
+				p := parseParam(out[i])
+				reg := ""
+				if p.Name == "err" {
+					reg = "e1"
+					ret[2] = reg
+					doErrno = true
+				} else {
+					reg = fmt.Sprintf("r%d", i)
+					ret[i] = reg
+				}
+				if p.Type == "bool" {
+					reg = fmt.Sprintf("%d != 0", reg)
+				}
+				if p.Type == "int64" && endianness != "" {
+					// 64-bit number in r1:r0 or r0:r1.
+					if i+2 > len(out) {
+						fmt.Fprintf(os.Stderr, "%s: not enough registers for int64 return\n", path)
+						os.Exit(1)
+					}
+					if endianness == "big-endian" {
+						reg = fmt.Sprintf("int64(r%d)<<32 | int64(r%d)", i, i+1)
+					} else {
+						reg = fmt.Sprintf("int64(r%d)<<32 | int64(r%d)", i+1, i)
+					}
+					ret[i] = fmt.Sprintf("r%d", i)
+					ret[i+1] = fmt.Sprintf("r%d", i+1)
+				}
+				if reg != "e1" {
+					body += fmt.Sprintf("\t%s = %s(%s)\n", p.Name, p.Type, reg)
+				}
+			}
+			if ret[0] == "_" && ret[1] == "_" && ret[2] == "_" {
+				text += fmt.Sprintf("\t%s\n", call)
+			} else {
+				text += fmt.Sprintf("\t%s, %s, %s := %s\n", ret[0], ret[1], ret[2], call)
+			}
+			text += body
+
+			if doErrno {
+				text += "\tif e1 != 0 {\n"
+				text += "\t\terr = e1\n"
+				text += "\t}\n"
+			}
+			text += "\treturn\n"
+			text += "}\n"
+		}
+		if err := s.Err(); err != nil {
+			fmt.Fprintf(os.Stderr, err.Error())
+			os.Exit(1)
+		}
+		file.Close()
+	}
+	imp := ""
+	if pack != "unix" {
+		imp = "import \"golang.org/x/sys/unix\"\n"
+
+	}
+	vardecls := "\t" + strings.Join(vars, ",\n\t")
+	vardecls += " syscallFunc"
+	fmt.Printf(srcTemplate, cmdLine(), buildTags(), pack, imp, dynimports, linknames, vardecls, text)
+}
+
+const srcTemplate = `// %s
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build %s
+
+package %s
+
+import (
+	"syscall"
+	"unsafe"
+)
+%s
+%s
+%s
+var (
+%s	
+)
+
+%s
+`
diff --git a/vendor/golang.org/x/sys/unix/mksyscall_solaris.pl b/vendor/golang.org/x/sys/unix/mksyscall_solaris.pl
deleted file mode 100755
index a354df5..0000000
--- a/vendor/golang.org/x/sys/unix/mksyscall_solaris.pl
+++ /dev/null
@@ -1,294 +0,0 @@
-#!/usr/bin/env perl
-# Copyright 2009 The Go Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style
-# license that can be found in the LICENSE file.
-
-# This program reads a file containing function prototypes
-# (like syscall_solaris.go) and generates system call bodies.
-# The prototypes are marked by lines beginning with "//sys"
-# and read like func declarations if //sys is replaced by func, but:
-#	* The parameter lists must give a name for each argument.
-#	  This includes return parameters.
-#	* The parameter lists must give a type for each argument:
-#	  the (x, y, z int) shorthand is not allowed.
-#	* If the return parameter is an error number, it must be named err.
-#	* If go func name needs to be different than its libc name,
-#	* or the function is not in libc, name could be specified
-#	* at the end, after "=" sign, like
-#	  //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt
-
-use strict;
-
-my $cmdline = "mksyscall_solaris.pl " . join(' ', @ARGV);
-my $errors = 0;
-my $_32bit = "";
-my $tags = "";  # build tags
-
-binmode STDOUT;
-
-if($ARGV[0] eq "-b32") {
-	$_32bit = "big-endian";
-	shift;
-} elsif($ARGV[0] eq "-l32") {
-	$_32bit = "little-endian";
-	shift;
-}
-if($ARGV[0] eq "-tags") {
-	shift;
-	$tags = $ARGV[0];
-	shift;
-}
-
-if($ARGV[0] =~ /^-/) {
-	print STDERR "usage: mksyscall_solaris.pl [-b32 | -l32] [-tags x,y] [file ...]\n";
-	exit 1;
-}
-
-sub parseparamlist($) {
-	my ($list) = @_;
-	$list =~ s/^\s*//;
-	$list =~ s/\s*$//;
-	if($list eq "") {
-		return ();
-	}
-	return split(/\s*,\s*/, $list);
-}
-
-sub parseparam($) {
-	my ($p) = @_;
-	if($p !~ /^(\S*) (\S*)$/) {
-		print STDERR "$ARGV:$.: malformed parameter: $p\n";
-		$errors = 1;
-		return ("xx", "int");
-	}
-	return ($1, $2);
-}
-
-my $package = "";
-my $text = "";
-my $dynimports = "";
-my $linknames = "";
-my @vars = ();
-while(<>) {
-	chomp;
-	s/\s+/ /g;
-	s/^\s+//;
-	s/\s+$//;
-	$package = $1 if !$package && /^package (\S+)$/;
-	my $nonblock = /^\/\/sysnb /;
-	next if !/^\/\/sys / && !$nonblock;
-
-	# Line must be of the form
-	#	func Open(path string, mode int, perm int) (fd int, err error)
-	# Split into name, in params, out params.
-	if(!/^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$/) {
-		print STDERR "$ARGV:$.: malformed //sys declaration\n";
-		$errors = 1;
-		next;
-	}
-	my ($nb, $func, $in, $out, $modname, $sysname) = ($1, $2, $3, $4, $5, $6);
-
-	# Split argument lists on comma.
-	my @in = parseparamlist($in);
-	my @out = parseparamlist($out);
-
-	# Try in vain to keep people from editing this file.
-	# The theory is that they jump into the middle of the file
-	# without reading the header.
-	$text .= "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n";
-
-	# So file name.
-	if($modname eq "") {
-		$modname = "libc";
-	}
-
-	# System call name.
-	if($sysname eq "") {
-		$sysname = "$func";
-	}
-
-	# System call pointer variable name.
-	my $sysvarname = "proc$sysname";
-
-	my $strconvfunc = "BytePtrFromString";
-	my $strconvtype = "*byte";
-
-	$sysname =~ y/A-Z/a-z/; # All libc functions are lowercase.
-
-	# Runtime import of function to allow cross-platform builds.
-	$dynimports .= "//go:cgo_import_dynamic libc_${sysname} ${sysname} \"$modname.so\"\n";
-	# Link symbol to proc address variable.
-	$linknames .= "//go:linkname ${sysvarname} libc_${sysname}\n";
-	# Library proc address variable.
-	push @vars, $sysvarname;
-
-	# Go function header.
-	$out = join(', ', @out);
-	if($out ne "") {
-		$out = " ($out)";
-	}
-	if($text ne "") {
-		$text .= "\n"
-	}
-	$text .= sprintf "func %s(%s)%s {\n", $func, join(', ', @in), $out;
-
-	# Check if err return available
-	my $errvar = "";
-	foreach my $p (@out) {
-		my ($name, $type) = parseparam($p);
-		if($type eq "error") {
-			$errvar = $name;
-			last;
-		}
-	}
-
-	# Prepare arguments to Syscall.
-	my @args = ();
-	my $n = 0;
-	foreach my $p (@in) {
-		my ($name, $type) = parseparam($p);
-		if($type =~ /^\*/) {
-			push @args, "uintptr(unsafe.Pointer($name))";
-		} elsif($type eq "string" && $errvar ne "") {
-			$text .= "\tvar _p$n $strconvtype\n";
-			$text .= "\t_p$n, $errvar = $strconvfunc($name)\n";
-			$text .= "\tif $errvar != nil {\n\t\treturn\n\t}\n";
-			push @args, "uintptr(unsafe.Pointer(_p$n))";
-			$n++;
-		} elsif($type eq "string") {
-			print STDERR "$ARGV:$.: $func uses string arguments, but has no error return\n";
-			$text .= "\tvar _p$n $strconvtype\n";
-			$text .= "\t_p$n, _ = $strconvfunc($name)\n";
-			push @args, "uintptr(unsafe.Pointer(_p$n))";
-			$n++;
-		} elsif($type =~ /^\[\](.*)/) {
-			# Convert slice into pointer, length.
-			# Have to be careful not to take address of &a[0] if len == 0:
-			# pass nil in that case.
-			$text .= "\tvar _p$n *$1\n";
-			$text .= "\tif len($name) > 0 {\n\t\t_p$n = \&$name\[0]\n\t}\n";
-			push @args, "uintptr(unsafe.Pointer(_p$n))", "uintptr(len($name))";
-			$n++;
-		} elsif($type eq "int64" && $_32bit ne "") {
-			if($_32bit eq "big-endian") {
-				push @args, "uintptr($name >> 32)", "uintptr($name)";
-			} else {
-				push @args, "uintptr($name)", "uintptr($name >> 32)";
-			}
-		} elsif($type eq "bool") {
- 			$text .= "\tvar _p$n uint32\n";
-			$text .= "\tif $name {\n\t\t_p$n = 1\n\t} else {\n\t\t_p$n = 0\n\t}\n";
-			push @args, "uintptr(_p$n)";
-			$n++;
-		} else {
-			push @args, "uintptr($name)";
-		}
-	}
-	my $nargs = @args;
-
-	# Determine which form to use; pad args with zeros.
-	my $asm = "sysvicall6";
-	if ($nonblock) {
-		$asm = "rawSysvicall6";
-	}
-	if(@args <= 6) {
-		while(@args < 6) {
-			push @args, "0";
-		}
-	} else {
-		print STDERR "$ARGV:$.: too many arguments to system call\n";
-	}
-
-	# Actual call.
-	my $args = join(', ', @args);
-	my $call = "$asm(uintptr(unsafe.Pointer(&$sysvarname)), $nargs, $args)";
-
-	# Assign return values.
-	my $body = "";
-	my $failexpr = "";
-	my @ret = ("_", "_", "_");
-	my @pout= ();
-	my $do_errno = 0;
-	for(my $i=0; $i<@out; $i++) {
-		my $p = $out[$i];
-		my ($name, $type) = parseparam($p);
-		my $reg = "";
-		if($name eq "err") {
-			$reg = "e1";
-			$ret[2] = $reg;
-			$do_errno = 1;
-		} else {
-			$reg = sprintf("r%d", $i);
-			$ret[$i] = $reg;
-		}
-		if($type eq "bool") {
-			$reg = "$reg != 0";
-		}
-		if($type eq "int64" && $_32bit ne "") {
-			# 64-bit number in r1:r0 or r0:r1.
-			if($i+2 > @out) {
-				print STDERR "$ARGV:$.: not enough registers for int64 return\n";
-			}
-			if($_32bit eq "big-endian") {
-				$reg = sprintf("int64(r%d)<<32 | int64(r%d)", $i, $i+1);
-			} else {
-				$reg = sprintf("int64(r%d)<<32 | int64(r%d)", $i+1, $i);
-			}
-			$ret[$i] = sprintf("r%d", $i);
-			$ret[$i+1] = sprintf("r%d", $i+1);
-		}
-		if($reg ne "e1") {
-			$body .= "\t$name = $type($reg)\n";
-		}
-	}
-	if ($ret[0] eq "_" && $ret[1] eq "_" && $ret[2] eq "_") {
-		$text .= "\t$call\n";
-	} else {
-		$text .= "\t$ret[0], $ret[1], $ret[2] := $call\n";
-	}
-	$text .= $body;
-
-	if ($do_errno) {
-		$text .= "\tif e1 != 0 {\n";
-		$text .= "\t\terr = e1\n";
-		$text .= "\t}\n";
-	}
-	$text .= "\treturn\n";
-	$text .= "}\n";
-}
-
-if($errors) {
-	exit 1;
-}
-
-print <<EOF;
-// $cmdline
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build $tags
-
-package $package
-
-import (
-	"syscall"
-	"unsafe"
-)
-EOF
-
-print "import \"golang.org/x/sys/unix\"\n" if $package ne "unix";
-
-my $vardecls = "\t" . join(",\n\t", @vars);
-$vardecls .= " syscallFunc";
-
-chomp($_=<<EOF);
-
-$dynimports
-$linknames
-var (
-$vardecls
-)
-
-$text
-EOF
-print $_;
-exit 0;
diff --git a/vendor/golang.org/x/sys/unix/syscall_aix.go b/vendor/golang.org/x/sys/unix/syscall_aix.go
index 1351a22..a76826f 100644
--- a/vendor/golang.org/x/sys/unix/syscall_aix.go
+++ b/vendor/golang.org/x/sys/unix/syscall_aix.go
@@ -227,7 +227,7 @@
 
 		// Some versions of AIX have a bug in getsockname (see IV78655).
 		// We can't rely on sa.Len being set correctly.
-		n := SizeofSockaddrUnix - 3 // substract leading Family, Len, terminating NUL.
+		n := SizeofSockaddrUnix - 3 // subtract leading Family, Len, terminating NUL.
 		for i := 0; i < n; i++ {
 			if pp.Path[i] == 0 {
 				n = i
diff --git a/vendor/golang.org/x/sys/unix/syscall_darwin.go b/vendor/golang.org/x/sys/unix/syscall_darwin.go
index 04042e4..a2e3688 100644
--- a/vendor/golang.org/x/sys/unix/syscall_darwin.go
+++ b/vendor/golang.org/x/sys/unix/syscall_darwin.go
@@ -416,6 +416,7 @@
 //sys	Chmod(path string, mode uint32) (err error)
 //sys	Chown(path string, uid int, gid int) (err error)
 //sys	Chroot(path string) (err error)
+//sys	ClockGettime(clockid int32, time *Timespec) (err error)
 //sys	Close(fd int) (err error)
 //sys	Dup(fd int) (nfd int, err error)
 //sys	Dup2(from int, to int) (err error)
diff --git a/vendor/golang.org/x/sys/unix/syscall_dragonfly.go b/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
index 891c94d..962eee3 100644
--- a/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
+++ b/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
@@ -304,6 +304,7 @@
 //sys	read(fd int, p []byte) (n int, err error)
 //sys	Readlink(path string, buf []byte) (n int, err error)
 //sys	Rename(from string, to string) (err error)
+//sys	Renameat(fromfd int, from string, tofd int, to string) (err error)
 //sys	Revoke(path string) (err error)
 //sys	Rmdir(path string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux.go b/vendor/golang.org/x/sys/unix/syscall_linux.go
index e371445..4bb86aa 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux.go
@@ -14,6 +14,7 @@
 import (
 	"encoding/binary"
 	"net"
+	"runtime"
 	"syscall"
 	"unsafe"
 )
@@ -80,6 +81,12 @@
 	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 }
 
+func IoctlSetRTCTime(fd int, value *RTCTime) error {
+	err := ioctl(fd, RTC_SET_TIME, uintptr(unsafe.Pointer(value)))
+	runtime.KeepAlive(value)
+	return err
+}
+
 // IoctlGetInt performs an ioctl operation which gets an integer value
 // from fd, using the specified request number.
 func IoctlGetInt(fd int, req uint) (int, error) {
@@ -100,6 +107,12 @@
 	return &value, err
 }
 
+func IoctlGetRTCTime(fd int) (*RTCTime, error) {
+	var value RTCTime
+	err := ioctl(fd, RTC_RD_TIME, uintptr(unsafe.Pointer(&value)))
+	return &value, err
+}
+
 //sys	Linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error)
 
 func Link(oldpath string, newpath string) (err error) {
@@ -981,6 +994,20 @@
 	return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq))
 }
 
+// SetsockoptSockFprog attaches a classic BPF or an extended BPF program to a
+// socket to filter incoming packets.  See 'man 7 socket' for usage information.
+func SetsockoptSockFprog(fd, level, opt int, fprog *SockFprog) error {
+	return setsockopt(fd, level, opt, unsafe.Pointer(fprog), unsafe.Sizeof(*fprog))
+}
+
+func SetsockoptCanRawFilter(fd, level, opt int, filter []CanFilter) error {
+	var p unsafe.Pointer
+	if len(filter) > 0 {
+		p = unsafe.Pointer(&filter[0])
+	}
+	return setsockopt(fd, level, opt, p, uintptr(len(filter)*SizeofCanFilter))
+}
+
 // Keyctl Commands (http://man7.org/linux/man-pages/man2/keyctl.2.html)
 
 // KeyctlInt calls keyctl commands in which each argument is an int.
@@ -1442,7 +1469,6 @@
 //sys	Pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *Sigset_t) (n int, err error) = SYS_PSELECT6
 //sys	read(fd int, p []byte) (n int, err error)
 //sys	Removexattr(path string, attr string) (err error)
-//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error)
 //sys	RequestKey(keyType string, description string, callback string, destRingid int) (id int, err error)
 //sys	Setdomainname(p []byte) (err error)
@@ -1467,6 +1493,7 @@
 
 //sys	Setpriority(which int, who int, prio int) (err error)
 //sys	Setxattr(path string, attr string, data []byte, flags int) (err error)
+//sys	Signalfd(fd int, mask *Sigset_t, flags int) = SYS_SIGNALFD4
 //sys	Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error)
 //sys	Sync()
 //sys	Syncfs(fd int) (err error)
@@ -1683,7 +1710,6 @@
 // Shmdt
 // Shmget
 // Sigaltstack
-// Signalfd
 // Swapoff
 // Swapon
 // Sysfs
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_386.go b/vendor/golang.org/x/sys/unix/syscall_linux_386.go
index 74bc098..e2f8cf6 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_386.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_386.go
@@ -68,6 +68,7 @@
 //sys	Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
 //sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
 //sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
 //sys	Setfsgid(gid int) (err error) = SYS_SETFSGID32
 //sys	Setfsuid(uid int) (err error) = SYS_SETFSUID32
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_amd64.go b/vendor/golang.org/x/sys/unix/syscall_linux_amd64.go
index 615f291..87a3074 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_amd64.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_amd64.go
@@ -43,6 +43,7 @@
 //sys	Pause() (err error)
 //sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
 //sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
 
 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_arm.go b/vendor/golang.org/x/sys/unix/syscall_linux_arm.go
index ad2bd25..cda3559 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_arm.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_arm.go
@@ -89,6 +89,7 @@
 //sys	Listen(s int, n int) (err error)
 //sys	Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
 //sys	Pause() (err error)
+//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
 //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
 //sys	Setfsgid(gid int) (err error) = SYS_SETFSGID32
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_arm64.go b/vendor/golang.org/x/sys/unix/syscall_linux_arm64.go
index fa5a9a6..6d56722 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_arm64.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_arm64.go
@@ -30,6 +30,7 @@
 //sys	Listen(s int, n int) (err error)
 //sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
 //sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
 
 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_mips64x.go b/vendor/golang.org/x/sys/unix/syscall_linux_mips64x.go
index 18541dc..b3b21ec 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_mips64x.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_mips64x.go
@@ -24,6 +24,7 @@
 //sys	Pause() (err error)
 //sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
 //sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
 
 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_mipsx.go b/vendor/golang.org/x/sys/unix/syscall_linux_mipsx.go
index 99e0e99..5144d4e 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_mipsx.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_mipsx.go
@@ -28,6 +28,7 @@
 //sys	Listen(s int, n int) (err error)
 //sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
 //sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
 //sys	Setfsgid(gid int) (err error)
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_ppc64x.go b/vendor/golang.org/x/sys/unix/syscall_linux_ppc64x.go
index 4145185..0a100b6 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_ppc64x.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_ppc64x.go
@@ -30,6 +30,7 @@
 //sys	Pause() (err error)
 //sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
 //sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
 //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_riscv64.go b/vendor/golang.org/x/sys/unix/syscall_linux_riscv64.go
index 44aa122..f23ca45 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_riscv64.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_riscv64.go
@@ -207,3 +207,7 @@
 	}
 	return ppoll(&fds[0], len(fds), ts, nil)
 }
+
+func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
+	return Renameat2(olddirfd, oldpath, newdirfd, newpath, 0)
+}
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_s390x.go b/vendor/golang.org/x/sys/unix/syscall_linux_s390x.go
index f52f148..f81dbdc 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_s390x.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_s390x.go
@@ -30,6 +30,7 @@
 //sys	Pause() (err error)
 //sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
 //sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
 //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux_sparc64.go b/vendor/golang.org/x/sys/unix/syscall_linux_sparc64.go
index 72e6418..b695656 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux_sparc64.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux_sparc64.go
@@ -26,6 +26,7 @@
 //sys	Pause() (err error)
 //sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
 //sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
+//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
 //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
diff --git a/vendor/golang.org/x/sys/unix/syscall_netbsd_arm64.go b/vendor/golang.org/x/sys/unix/syscall_netbsd_arm64.go
new file mode 100644
index 0000000..f343446
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/syscall_netbsd_arm64.go
@@ -0,0 +1,33 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build arm64,netbsd
+
+package unix
+
+func setTimespec(sec, nsec int64) Timespec {
+	return Timespec{Sec: sec, Nsec: nsec}
+}
+
+func setTimeval(sec, usec int64) Timeval {
+	return Timeval{Sec: sec, Usec: int32(usec)}
+}
+
+func SetKevent(k *Kevent_t, fd, mode, flags int) {
+	k.Ident = uint64(fd)
+	k.Filter = uint32(mode)
+	k.Flags = uint32(flags)
+}
+
+func (iov *Iovec) SetLen(length int) {
+	iov.Len = uint64(length)
+}
+
+func (msghdr *Msghdr) SetControllen(length int) {
+	msghdr.Controllen = uint32(length)
+}
+
+func (cmsg *Cmsghdr) SetLen(length int) {
+	cmsg.Len = uint32(length)
+}
diff --git a/vendor/golang.org/x/sys/unix/zerrors_linux_386.go b/vendor/golang.org/x/sys/unix/zerrors_linux_386.go
index 466f8cf..cb89df8 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_linux_386.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_linux_386.go
@@ -41,7 +41,7 @@
 	AF_KEY                               = 0xf
 	AF_LLC                               = 0x1a
 	AF_LOCAL                             = 0x1
-	AF_MAX                               = 0x2c
+	AF_MAX                               = 0x2d
 	AF_MPLS                              = 0x1c
 	AF_NETBEUI                           = 0xd
 	AF_NETLINK                           = 0x10
@@ -707,6 +707,7 @@
 	IN_ISDIR                             = 0x40000000
 	IN_LOOPBACKNET                       = 0x7f
 	IN_MASK_ADD                          = 0x20000000
+	IN_MASK_CREATE                       = 0x10000000
 	IN_MODIFY                            = 0x2
 	IN_MOVE                              = 0xc0
 	IN_MOVED_FROM                        = 0x40
@@ -778,6 +779,7 @@
 	IPV6_MINHOPCOUNT                     = 0x49
 	IPV6_MTU                             = 0x18
 	IPV6_MTU_DISCOVER                    = 0x17
+	IPV6_MULTICAST_ALL                   = 0x1d
 	IPV6_MULTICAST_HOPS                  = 0x12
 	IPV6_MULTICAST_IF                    = 0x11
 	IPV6_MULTICAST_LOOP                  = 0x13
@@ -1537,6 +1539,13 @@
 	RLIMIT_SIGPENDING                    = 0xb
 	RLIMIT_STACK                         = 0x3
 	RLIM_INFINITY                        = 0xffffffffffffffff
+	RNDADDENTROPY                        = 0x40085203
+	RNDADDTOENTCNT                       = 0x40045201
+	RNDCLEARPOOL                         = 0x5206
+	RNDGETENTCNT                         = 0x80045200
+	RNDGETPOOL                           = 0x80085202
+	RNDRESEEDCRNG                        = 0x5207
+	RNDZAPENTCNT                         = 0x5204
 	RTAX_ADVMSS                          = 0x8
 	RTAX_CC_ALGO                         = 0x10
 	RTAX_CWND                            = 0x7
@@ -1744,6 +1753,8 @@
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x800
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -1905,6 +1916,17 @@
 	SO_DETACH_FILTER                     = 0x1b
 	SO_DOMAIN                            = 0x27
 	SO_DONTROUTE                         = 0x5
+	SO_EE_CODE_TXTIME_INVALID_PARAM      = 0x1
+	SO_EE_CODE_TXTIME_MISSED             = 0x2
+	SO_EE_CODE_ZEROCOPY_COPIED           = 0x1
+	SO_EE_ORIGIN_ICMP                    = 0x2
+	SO_EE_ORIGIN_ICMP6                   = 0x3
+	SO_EE_ORIGIN_LOCAL                   = 0x1
+	SO_EE_ORIGIN_NONE                    = 0x0
+	SO_EE_ORIGIN_TIMESTAMPING            = 0x4
+	SO_EE_ORIGIN_TXSTATUS                = 0x4
+	SO_EE_ORIGIN_TXTIME                  = 0x6
+	SO_EE_ORIGIN_ZEROCOPY                = 0x5
 	SO_ERROR                             = 0x4
 	SO_GET_FILTER                        = 0x1a
 	SO_INCOMING_CPU                      = 0x31
@@ -2038,6 +2060,7 @@
 	TCOOFF                               = 0x0
 	TCOON                                = 0x1
 	TCP_CC_INFO                          = 0x1a
+	TCP_CM_INQ                           = 0x24
 	TCP_CONGESTION                       = 0xd
 	TCP_COOKIE_IN_ALWAYS                 = 0x1
 	TCP_COOKIE_MAX                       = 0x10
@@ -2052,6 +2075,7 @@
 	TCP_FASTOPEN_KEY                     = 0x21
 	TCP_FASTOPEN_NO_COOKIE               = 0x22
 	TCP_INFO                             = 0xb
+	TCP_INQ                              = 0x24
 	TCP_KEEPCNT                          = 0x6
 	TCP_KEEPIDLE                         = 0x4
 	TCP_KEEPINTVL                        = 0x5
@@ -2071,6 +2095,9 @@
 	TCP_QUEUE_SEQ                        = 0x15
 	TCP_QUICKACK                         = 0xc
 	TCP_REPAIR                           = 0x13
+	TCP_REPAIR_OFF                       = 0x0
+	TCP_REPAIR_OFF_NO_WP                 = -0x1
+	TCP_REPAIR_ON                        = 0x1
 	TCP_REPAIR_OPTIONS                   = 0x16
 	TCP_REPAIR_QUEUE                     = 0x14
 	TCP_REPAIR_WINDOW                    = 0x1d
@@ -2085,6 +2112,7 @@
 	TCP_ULP                              = 0x1f
 	TCP_USER_TIMEOUT                     = 0x12
 	TCP_WINDOW_CLAMP                     = 0xa
+	TCP_ZEROCOPY_RECEIVE                 = 0x23
 	TCSAFLUSH                            = 0x2
 	TCSBRK                               = 0x5409
 	TCSBRKP                              = 0x5425
diff --git a/vendor/golang.org/x/sys/unix/zerrors_linux_amd64.go b/vendor/golang.org/x/sys/unix/zerrors_linux_amd64.go
index 573b87a..73c9b88 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_linux_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_linux_amd64.go
@@ -41,7 +41,7 @@
 	AF_KEY                               = 0xf
 	AF_LLC                               = 0x1a
 	AF_LOCAL                             = 0x1
-	AF_MAX                               = 0x2c
+	AF_MAX                               = 0x2d
 	AF_MPLS                              = 0x1c
 	AF_NETBEUI                           = 0xd
 	AF_NETLINK                           = 0x10
@@ -707,6 +707,7 @@
 	IN_ISDIR                             = 0x40000000
 	IN_LOOPBACKNET                       = 0x7f
 	IN_MASK_ADD                          = 0x20000000
+	IN_MASK_CREATE                       = 0x10000000
 	IN_MODIFY                            = 0x2
 	IN_MOVE                              = 0xc0
 	IN_MOVED_FROM                        = 0x40
@@ -778,6 +779,7 @@
 	IPV6_MINHOPCOUNT                     = 0x49
 	IPV6_MTU                             = 0x18
 	IPV6_MTU_DISCOVER                    = 0x17
+	IPV6_MULTICAST_ALL                   = 0x1d
 	IPV6_MULTICAST_HOPS                  = 0x12
 	IPV6_MULTICAST_IF                    = 0x11
 	IPV6_MULTICAST_LOOP                  = 0x13
@@ -1538,6 +1540,13 @@
 	RLIMIT_SIGPENDING                    = 0xb
 	RLIMIT_STACK                         = 0x3
 	RLIM_INFINITY                        = 0xffffffffffffffff
+	RNDADDENTROPY                        = 0x40085203
+	RNDADDTOENTCNT                       = 0x40045201
+	RNDCLEARPOOL                         = 0x5206
+	RNDGETENTCNT                         = 0x80045200
+	RNDGETPOOL                           = 0x80085202
+	RNDRESEEDCRNG                        = 0x5207
+	RNDZAPENTCNT                         = 0x5204
 	RTAX_ADVMSS                          = 0x8
 	RTAX_CC_ALGO                         = 0x10
 	RTAX_CWND                            = 0x7
@@ -1745,6 +1754,8 @@
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x800
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -1906,6 +1917,17 @@
 	SO_DETACH_FILTER                     = 0x1b
 	SO_DOMAIN                            = 0x27
 	SO_DONTROUTE                         = 0x5
+	SO_EE_CODE_TXTIME_INVALID_PARAM      = 0x1
+	SO_EE_CODE_TXTIME_MISSED             = 0x2
+	SO_EE_CODE_ZEROCOPY_COPIED           = 0x1
+	SO_EE_ORIGIN_ICMP                    = 0x2
+	SO_EE_ORIGIN_ICMP6                   = 0x3
+	SO_EE_ORIGIN_LOCAL                   = 0x1
+	SO_EE_ORIGIN_NONE                    = 0x0
+	SO_EE_ORIGIN_TIMESTAMPING            = 0x4
+	SO_EE_ORIGIN_TXSTATUS                = 0x4
+	SO_EE_ORIGIN_TXTIME                  = 0x6
+	SO_EE_ORIGIN_ZEROCOPY                = 0x5
 	SO_ERROR                             = 0x4
 	SO_GET_FILTER                        = 0x1a
 	SO_INCOMING_CPU                      = 0x31
@@ -2039,6 +2061,7 @@
 	TCOOFF                               = 0x0
 	TCOON                                = 0x1
 	TCP_CC_INFO                          = 0x1a
+	TCP_CM_INQ                           = 0x24
 	TCP_CONGESTION                       = 0xd
 	TCP_COOKIE_IN_ALWAYS                 = 0x1
 	TCP_COOKIE_MAX                       = 0x10
@@ -2053,6 +2076,7 @@
 	TCP_FASTOPEN_KEY                     = 0x21
 	TCP_FASTOPEN_NO_COOKIE               = 0x22
 	TCP_INFO                             = 0xb
+	TCP_INQ                              = 0x24
 	TCP_KEEPCNT                          = 0x6
 	TCP_KEEPIDLE                         = 0x4
 	TCP_KEEPINTVL                        = 0x5
@@ -2072,6 +2096,9 @@
 	TCP_QUEUE_SEQ                        = 0x15
 	TCP_QUICKACK                         = 0xc
 	TCP_REPAIR                           = 0x13
+	TCP_REPAIR_OFF                       = 0x0
+	TCP_REPAIR_OFF_NO_WP                 = -0x1
+	TCP_REPAIR_ON                        = 0x1
 	TCP_REPAIR_OPTIONS                   = 0x16
 	TCP_REPAIR_QUEUE                     = 0x14
 	TCP_REPAIR_WINDOW                    = 0x1d
@@ -2086,6 +2113,7 @@
 	TCP_ULP                              = 0x1f
 	TCP_USER_TIMEOUT                     = 0x12
 	TCP_WINDOW_CLAMP                     = 0xa
+	TCP_ZEROCOPY_RECEIVE                 = 0x23
 	TCSAFLUSH                            = 0x2
 	TCSBRK                               = 0x5409
 	TCSBRKP                              = 0x5425
diff --git a/vendor/golang.org/x/sys/unix/zerrors_linux_arm.go b/vendor/golang.org/x/sys/unix/zerrors_linux_arm.go
index 746d0ee..f1ef82f 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_linux_arm.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_linux_arm.go
@@ -41,7 +41,7 @@
 	AF_KEY                               = 0xf
 	AF_LLC                               = 0x1a
 	AF_LOCAL                             = 0x1
-	AF_MAX                               = 0x2c
+	AF_MAX                               = 0x2d
 	AF_MPLS                              = 0x1c
 	AF_NETBEUI                           = 0xd
 	AF_NETLINK                           = 0x10
@@ -706,6 +706,7 @@
 	IN_ISDIR                             = 0x40000000
 	IN_LOOPBACKNET                       = 0x7f
 	IN_MASK_ADD                          = 0x20000000
+	IN_MASK_CREATE                       = 0x10000000
 	IN_MODIFY                            = 0x2
 	IN_MOVE                              = 0xc0
 	IN_MOVED_FROM                        = 0x40
@@ -777,6 +778,7 @@
 	IPV6_MINHOPCOUNT                     = 0x49
 	IPV6_MTU                             = 0x18
 	IPV6_MTU_DISCOVER                    = 0x17
+	IPV6_MULTICAST_ALL                   = 0x1d
 	IPV6_MULTICAST_HOPS                  = 0x12
 	IPV6_MULTICAST_IF                    = 0x11
 	IPV6_MULTICAST_LOOP                  = 0x13
@@ -1544,6 +1546,13 @@
 	RLIMIT_SIGPENDING                    = 0xb
 	RLIMIT_STACK                         = 0x3
 	RLIM_INFINITY                        = 0xffffffffffffffff
+	RNDADDENTROPY                        = 0x40085203
+	RNDADDTOENTCNT                       = 0x40045201
+	RNDCLEARPOOL                         = 0x5206
+	RNDGETENTCNT                         = 0x80045200
+	RNDGETPOOL                           = 0x80085202
+	RNDRESEEDCRNG                        = 0x5207
+	RNDZAPENTCNT                         = 0x5204
 	RTAX_ADVMSS                          = 0x8
 	RTAX_CC_ALGO                         = 0x10
 	RTAX_CWND                            = 0x7
@@ -1751,6 +1760,8 @@
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x800
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -1912,6 +1923,17 @@
 	SO_DETACH_FILTER                     = 0x1b
 	SO_DOMAIN                            = 0x27
 	SO_DONTROUTE                         = 0x5
+	SO_EE_CODE_TXTIME_INVALID_PARAM      = 0x1
+	SO_EE_CODE_TXTIME_MISSED             = 0x2
+	SO_EE_CODE_ZEROCOPY_COPIED           = 0x1
+	SO_EE_ORIGIN_ICMP                    = 0x2
+	SO_EE_ORIGIN_ICMP6                   = 0x3
+	SO_EE_ORIGIN_LOCAL                   = 0x1
+	SO_EE_ORIGIN_NONE                    = 0x0
+	SO_EE_ORIGIN_TIMESTAMPING            = 0x4
+	SO_EE_ORIGIN_TXSTATUS                = 0x4
+	SO_EE_ORIGIN_TXTIME                  = 0x6
+	SO_EE_ORIGIN_ZEROCOPY                = 0x5
 	SO_ERROR                             = 0x4
 	SO_GET_FILTER                        = 0x1a
 	SO_INCOMING_CPU                      = 0x31
@@ -2045,6 +2067,7 @@
 	TCOOFF                               = 0x0
 	TCOON                                = 0x1
 	TCP_CC_INFO                          = 0x1a
+	TCP_CM_INQ                           = 0x24
 	TCP_CONGESTION                       = 0xd
 	TCP_COOKIE_IN_ALWAYS                 = 0x1
 	TCP_COOKIE_MAX                       = 0x10
@@ -2059,6 +2082,7 @@
 	TCP_FASTOPEN_KEY                     = 0x21
 	TCP_FASTOPEN_NO_COOKIE               = 0x22
 	TCP_INFO                             = 0xb
+	TCP_INQ                              = 0x24
 	TCP_KEEPCNT                          = 0x6
 	TCP_KEEPIDLE                         = 0x4
 	TCP_KEEPINTVL                        = 0x5
@@ -2078,6 +2102,9 @@
 	TCP_QUEUE_SEQ                        = 0x15
 	TCP_QUICKACK                         = 0xc
 	TCP_REPAIR                           = 0x13
+	TCP_REPAIR_OFF                       = 0x0
+	TCP_REPAIR_OFF_NO_WP                 = -0x1
+	TCP_REPAIR_ON                        = 0x1
 	TCP_REPAIR_OPTIONS                   = 0x16
 	TCP_REPAIR_QUEUE                     = 0x14
 	TCP_REPAIR_WINDOW                    = 0x1d
@@ -2092,6 +2119,7 @@
 	TCP_ULP                              = 0x1f
 	TCP_USER_TIMEOUT                     = 0x12
 	TCP_WINDOW_CLAMP                     = 0xa
+	TCP_ZEROCOPY_RECEIVE                 = 0x23
 	TCSAFLUSH                            = 0x2
 	TCSBRK                               = 0x5409
 	TCSBRKP                              = 0x5425
diff --git a/vendor/golang.org/x/sys/unix/zerrors_linux_arm64.go b/vendor/golang.org/x/sys/unix/zerrors_linux_arm64.go
index 681b609..cf17c99 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_linux_arm64.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_linux_arm64.go
@@ -41,7 +41,7 @@
 	AF_KEY                               = 0xf
 	AF_LLC                               = 0x1a
 	AF_LOCAL                             = 0x1
-	AF_MAX                               = 0x2c
+	AF_MAX                               = 0x2d
 	AF_MPLS                              = 0x1c
 	AF_NETBEUI                           = 0xd
 	AF_NETLINK                           = 0x10
@@ -709,6 +709,7 @@
 	IN_ISDIR                             = 0x40000000
 	IN_LOOPBACKNET                       = 0x7f
 	IN_MASK_ADD                          = 0x20000000
+	IN_MASK_CREATE                       = 0x10000000
 	IN_MODIFY                            = 0x2
 	IN_MOVE                              = 0xc0
 	IN_MOVED_FROM                        = 0x40
@@ -780,6 +781,7 @@
 	IPV6_MINHOPCOUNT                     = 0x49
 	IPV6_MTU                             = 0x18
 	IPV6_MTU_DISCOVER                    = 0x17
+	IPV6_MULTICAST_ALL                   = 0x1d
 	IPV6_MULTICAST_HOPS                  = 0x12
 	IPV6_MULTICAST_IF                    = 0x11
 	IPV6_MULTICAST_LOOP                  = 0x13
@@ -1528,6 +1530,13 @@
 	RLIMIT_SIGPENDING                    = 0xb
 	RLIMIT_STACK                         = 0x3
 	RLIM_INFINITY                        = 0xffffffffffffffff
+	RNDADDENTROPY                        = 0x40085203
+	RNDADDTOENTCNT                       = 0x40045201
+	RNDCLEARPOOL                         = 0x5206
+	RNDGETENTCNT                         = 0x80045200
+	RNDGETPOOL                           = 0x80085202
+	RNDRESEEDCRNG                        = 0x5207
+	RNDZAPENTCNT                         = 0x5204
 	RTAX_ADVMSS                          = 0x8
 	RTAX_CC_ALGO                         = 0x10
 	RTAX_CWND                            = 0x7
@@ -1735,6 +1744,8 @@
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x800
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -1896,6 +1907,17 @@
 	SO_DETACH_FILTER                     = 0x1b
 	SO_DOMAIN                            = 0x27
 	SO_DONTROUTE                         = 0x5
+	SO_EE_CODE_TXTIME_INVALID_PARAM      = 0x1
+	SO_EE_CODE_TXTIME_MISSED             = 0x2
+	SO_EE_CODE_ZEROCOPY_COPIED           = 0x1
+	SO_EE_ORIGIN_ICMP                    = 0x2
+	SO_EE_ORIGIN_ICMP6                   = 0x3
+	SO_EE_ORIGIN_LOCAL                   = 0x1
+	SO_EE_ORIGIN_NONE                    = 0x0
+	SO_EE_ORIGIN_TIMESTAMPING            = 0x4
+	SO_EE_ORIGIN_TXSTATUS                = 0x4
+	SO_EE_ORIGIN_TXTIME                  = 0x6
+	SO_EE_ORIGIN_ZEROCOPY                = 0x5
 	SO_ERROR                             = 0x4
 	SO_GET_FILTER                        = 0x1a
 	SO_INCOMING_CPU                      = 0x31
@@ -2030,6 +2052,7 @@
 	TCOOFF                               = 0x0
 	TCOON                                = 0x1
 	TCP_CC_INFO                          = 0x1a
+	TCP_CM_INQ                           = 0x24
 	TCP_CONGESTION                       = 0xd
 	TCP_COOKIE_IN_ALWAYS                 = 0x1
 	TCP_COOKIE_MAX                       = 0x10
@@ -2044,6 +2067,7 @@
 	TCP_FASTOPEN_KEY                     = 0x21
 	TCP_FASTOPEN_NO_COOKIE               = 0x22
 	TCP_INFO                             = 0xb
+	TCP_INQ                              = 0x24
 	TCP_KEEPCNT                          = 0x6
 	TCP_KEEPIDLE                         = 0x4
 	TCP_KEEPINTVL                        = 0x5
@@ -2063,6 +2087,9 @@
 	TCP_QUEUE_SEQ                        = 0x15
 	TCP_QUICKACK                         = 0xc
 	TCP_REPAIR                           = 0x13
+	TCP_REPAIR_OFF                       = 0x0
+	TCP_REPAIR_OFF_NO_WP                 = -0x1
+	TCP_REPAIR_ON                        = 0x1
 	TCP_REPAIR_OPTIONS                   = 0x16
 	TCP_REPAIR_QUEUE                     = 0x14
 	TCP_REPAIR_WINDOW                    = 0x1d
@@ -2077,6 +2104,7 @@
 	TCP_ULP                              = 0x1f
 	TCP_USER_TIMEOUT                     = 0x12
 	TCP_WINDOW_CLAMP                     = 0xa
+	TCP_ZEROCOPY_RECEIVE                 = 0x23
 	TCSAFLUSH                            = 0x2
 	TCSBRK                               = 0x5409
 	TCSBRKP                              = 0x5425
diff --git a/vendor/golang.org/x/sys/unix/zerrors_linux_mips.go b/vendor/golang.org/x/sys/unix/zerrors_linux_mips.go
index 5494c23..380913c 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_linux_mips.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_linux_mips.go
@@ -41,7 +41,7 @@
 	AF_KEY                               = 0xf
 	AF_LLC                               = 0x1a
 	AF_LOCAL                             = 0x1
-	AF_MAX                               = 0x2c
+	AF_MAX                               = 0x2d
 	AF_MPLS                              = 0x1c
 	AF_NETBEUI                           = 0xd
 	AF_NETLINK                           = 0x10
@@ -706,6 +706,7 @@
 	IN_ISDIR                             = 0x40000000
 	IN_LOOPBACKNET                       = 0x7f
 	IN_MASK_ADD                          = 0x20000000
+	IN_MASK_CREATE                       = 0x10000000
 	IN_MODIFY                            = 0x2
 	IN_MOVE                              = 0xc0
 	IN_MOVED_FROM                        = 0x40
@@ -777,6 +778,7 @@
 	IPV6_MINHOPCOUNT                     = 0x49
 	IPV6_MTU                             = 0x18
 	IPV6_MTU_DISCOVER                    = 0x17
+	IPV6_MULTICAST_ALL                   = 0x1d
 	IPV6_MULTICAST_HOPS                  = 0x12
 	IPV6_MULTICAST_IF                    = 0x11
 	IPV6_MULTICAST_LOOP                  = 0x13
@@ -1537,6 +1539,13 @@
 	RLIMIT_SIGPENDING                    = 0xb
 	RLIMIT_STACK                         = 0x3
 	RLIM_INFINITY                        = 0xffffffffffffffff
+	RNDADDENTROPY                        = 0x80085203
+	RNDADDTOENTCNT                       = 0x80045201
+	RNDCLEARPOOL                         = 0x20005206
+	RNDGETENTCNT                         = 0x40045200
+	RNDGETPOOL                           = 0x40085202
+	RNDRESEEDCRNG                        = 0x20005207
+	RNDZAPENTCNT                         = 0x20005204
 	RTAX_ADVMSS                          = 0x8
 	RTAX_CC_ALGO                         = 0x10
 	RTAX_CWND                            = 0x7
@@ -1744,6 +1753,8 @@
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x80
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -1905,6 +1916,17 @@
 	SO_DETACH_FILTER                     = 0x1b
 	SO_DOMAIN                            = 0x1029
 	SO_DONTROUTE                         = 0x10
+	SO_EE_CODE_TXTIME_INVALID_PARAM      = 0x1
+	SO_EE_CODE_TXTIME_MISSED             = 0x2
+	SO_EE_CODE_ZEROCOPY_COPIED           = 0x1
+	SO_EE_ORIGIN_ICMP                    = 0x2
+	SO_EE_ORIGIN_ICMP6                   = 0x3
+	SO_EE_ORIGIN_LOCAL                   = 0x1
+	SO_EE_ORIGIN_NONE                    = 0x0
+	SO_EE_ORIGIN_TIMESTAMPING            = 0x4
+	SO_EE_ORIGIN_TXSTATUS                = 0x4
+	SO_EE_ORIGIN_TXTIME                  = 0x6
+	SO_EE_ORIGIN_ZEROCOPY                = 0x5
 	SO_ERROR                             = 0x1007
 	SO_GET_FILTER                        = 0x1a
 	SO_INCOMING_CPU                      = 0x31
@@ -2038,6 +2060,7 @@
 	TCOOFF                               = 0x0
 	TCOON                                = 0x1
 	TCP_CC_INFO                          = 0x1a
+	TCP_CM_INQ                           = 0x24
 	TCP_CONGESTION                       = 0xd
 	TCP_COOKIE_IN_ALWAYS                 = 0x1
 	TCP_COOKIE_MAX                       = 0x10
@@ -2052,6 +2075,7 @@
 	TCP_FASTOPEN_KEY                     = 0x21
 	TCP_FASTOPEN_NO_COOKIE               = 0x22
 	TCP_INFO                             = 0xb
+	TCP_INQ                              = 0x24
 	TCP_KEEPCNT                          = 0x6
 	TCP_KEEPIDLE                         = 0x4
 	TCP_KEEPINTVL                        = 0x5
@@ -2071,6 +2095,9 @@
 	TCP_QUEUE_SEQ                        = 0x15
 	TCP_QUICKACK                         = 0xc
 	TCP_REPAIR                           = 0x13
+	TCP_REPAIR_OFF                       = 0x0
+	TCP_REPAIR_OFF_NO_WP                 = -0x1
+	TCP_REPAIR_ON                        = 0x1
 	TCP_REPAIR_OPTIONS                   = 0x16
 	TCP_REPAIR_QUEUE                     = 0x14
 	TCP_REPAIR_WINDOW                    = 0x1d
@@ -2085,6 +2112,7 @@
 	TCP_ULP                              = 0x1f
 	TCP_USER_TIMEOUT                     = 0x12
 	TCP_WINDOW_CLAMP                     = 0xa
+	TCP_ZEROCOPY_RECEIVE                 = 0x23
 	TCSAFLUSH                            = 0x5410
 	TCSBRK                               = 0x5405
 	TCSBRKP                              = 0x5486
diff --git a/vendor/golang.org/x/sys/unix/zerrors_linux_mips64.go b/vendor/golang.org/x/sys/unix/zerrors_linux_mips64.go
index 8874cf5..fb82529 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_linux_mips64.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_linux_mips64.go
@@ -41,7 +41,7 @@
 	AF_KEY                               = 0xf
 	AF_LLC                               = 0x1a
 	AF_LOCAL                             = 0x1
-	AF_MAX                               = 0x2c
+	AF_MAX                               = 0x2d
 	AF_MPLS                              = 0x1c
 	AF_NETBEUI                           = 0xd
 	AF_NETLINK                           = 0x10
@@ -706,6 +706,7 @@
 	IN_ISDIR                             = 0x40000000
 	IN_LOOPBACKNET                       = 0x7f
 	IN_MASK_ADD                          = 0x20000000
+	IN_MASK_CREATE                       = 0x10000000
 	IN_MODIFY                            = 0x2
 	IN_MOVE                              = 0xc0
 	IN_MOVED_FROM                        = 0x40
@@ -777,6 +778,7 @@
 	IPV6_MINHOPCOUNT                     = 0x49
 	IPV6_MTU                             = 0x18
 	IPV6_MTU_DISCOVER                    = 0x17
+	IPV6_MULTICAST_ALL                   = 0x1d
 	IPV6_MULTICAST_HOPS                  = 0x12
 	IPV6_MULTICAST_IF                    = 0x11
 	IPV6_MULTICAST_LOOP                  = 0x13
@@ -1537,6 +1539,13 @@
 	RLIMIT_SIGPENDING                    = 0xb
 	RLIMIT_STACK                         = 0x3
 	RLIM_INFINITY                        = 0xffffffffffffffff
+	RNDADDENTROPY                        = 0x80085203
+	RNDADDTOENTCNT                       = 0x80045201
+	RNDCLEARPOOL                         = 0x20005206
+	RNDGETENTCNT                         = 0x40045200
+	RNDGETPOOL                           = 0x40085202
+	RNDRESEEDCRNG                        = 0x20005207
+	RNDZAPENTCNT                         = 0x20005204
 	RTAX_ADVMSS                          = 0x8
 	RTAX_CC_ALGO                         = 0x10
 	RTAX_CWND                            = 0x7
@@ -1744,6 +1753,8 @@
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x80
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -1905,6 +1916,17 @@
 	SO_DETACH_FILTER                     = 0x1b
 	SO_DOMAIN                            = 0x1029
 	SO_DONTROUTE                         = 0x10
+	SO_EE_CODE_TXTIME_INVALID_PARAM      = 0x1
+	SO_EE_CODE_TXTIME_MISSED             = 0x2
+	SO_EE_CODE_ZEROCOPY_COPIED           = 0x1
+	SO_EE_ORIGIN_ICMP                    = 0x2
+	SO_EE_ORIGIN_ICMP6                   = 0x3
+	SO_EE_ORIGIN_LOCAL                   = 0x1
+	SO_EE_ORIGIN_NONE                    = 0x0
+	SO_EE_ORIGIN_TIMESTAMPING            = 0x4
+	SO_EE_ORIGIN_TXSTATUS                = 0x4
+	SO_EE_ORIGIN_TXTIME                  = 0x6
+	SO_EE_ORIGIN_ZEROCOPY                = 0x5
 	SO_ERROR                             = 0x1007
 	SO_GET_FILTER                        = 0x1a
 	SO_INCOMING_CPU                      = 0x31
@@ -2038,6 +2060,7 @@
 	TCOOFF                               = 0x0
 	TCOON                                = 0x1
 	TCP_CC_INFO                          = 0x1a
+	TCP_CM_INQ                           = 0x24
 	TCP_CONGESTION                       = 0xd
 	TCP_COOKIE_IN_ALWAYS                 = 0x1
 	TCP_COOKIE_MAX                       = 0x10
@@ -2052,6 +2075,7 @@
 	TCP_FASTOPEN_KEY                     = 0x21
 	TCP_FASTOPEN_NO_COOKIE               = 0x22
 	TCP_INFO                             = 0xb
+	TCP_INQ                              = 0x24
 	TCP_KEEPCNT                          = 0x6
 	TCP_KEEPIDLE                         = 0x4
 	TCP_KEEPINTVL                        = 0x5
@@ -2071,6 +2095,9 @@
 	TCP_QUEUE_SEQ                        = 0x15
 	TCP_QUICKACK                         = 0xc
 	TCP_REPAIR                           = 0x13
+	TCP_REPAIR_OFF                       = 0x0
+	TCP_REPAIR_OFF_NO_WP                 = -0x1
+	TCP_REPAIR_ON                        = 0x1
 	TCP_REPAIR_OPTIONS                   = 0x16
 	TCP_REPAIR_QUEUE                     = 0x14
 	TCP_REPAIR_WINDOW                    = 0x1d
@@ -2085,6 +2112,7 @@
 	TCP_ULP                              = 0x1f
 	TCP_USER_TIMEOUT                     = 0x12
 	TCP_WINDOW_CLAMP                     = 0xa
+	TCP_ZEROCOPY_RECEIVE                 = 0x23
 	TCSAFLUSH                            = 0x5410
 	TCSBRK                               = 0x5405
 	TCSBRKP                              = 0x5486
diff --git a/vendor/golang.org/x/sys/unix/zerrors_linux_mips64le.go b/vendor/golang.org/x/sys/unix/zerrors_linux_mips64le.go
index a1305a6..677d904 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_linux_mips64le.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_linux_mips64le.go
@@ -41,7 +41,7 @@
 	AF_KEY                               = 0xf
 	AF_LLC                               = 0x1a
 	AF_LOCAL                             = 0x1
-	AF_MAX                               = 0x2c
+	AF_MAX                               = 0x2d
 	AF_MPLS                              = 0x1c
 	AF_NETBEUI                           = 0xd
 	AF_NETLINK                           = 0x10
@@ -706,6 +706,7 @@
 	IN_ISDIR                             = 0x40000000
 	IN_LOOPBACKNET                       = 0x7f
 	IN_MASK_ADD                          = 0x20000000
+	IN_MASK_CREATE                       = 0x10000000
 	IN_MODIFY                            = 0x2
 	IN_MOVE                              = 0xc0
 	IN_MOVED_FROM                        = 0x40
@@ -777,6 +778,7 @@
 	IPV6_MINHOPCOUNT                     = 0x49
 	IPV6_MTU                             = 0x18
 	IPV6_MTU_DISCOVER                    = 0x17
+	IPV6_MULTICAST_ALL                   = 0x1d
 	IPV6_MULTICAST_HOPS                  = 0x12
 	IPV6_MULTICAST_IF                    = 0x11
 	IPV6_MULTICAST_LOOP                  = 0x13
@@ -1537,6 +1539,13 @@
 	RLIMIT_SIGPENDING                    = 0xb
 	RLIMIT_STACK                         = 0x3
 	RLIM_INFINITY                        = 0xffffffffffffffff
+	RNDADDENTROPY                        = 0x80085203
+	RNDADDTOENTCNT                       = 0x80045201
+	RNDCLEARPOOL                         = 0x20005206
+	RNDGETENTCNT                         = 0x40045200
+	RNDGETPOOL                           = 0x40085202
+	RNDRESEEDCRNG                        = 0x20005207
+	RNDZAPENTCNT                         = 0x20005204
 	RTAX_ADVMSS                          = 0x8
 	RTAX_CC_ALGO                         = 0x10
 	RTAX_CWND                            = 0x7
@@ -1744,6 +1753,8 @@
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x80
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -1905,6 +1916,17 @@
 	SO_DETACH_FILTER                     = 0x1b
 	SO_DOMAIN                            = 0x1029
 	SO_DONTROUTE                         = 0x10
+	SO_EE_CODE_TXTIME_INVALID_PARAM      = 0x1
+	SO_EE_CODE_TXTIME_MISSED             = 0x2
+	SO_EE_CODE_ZEROCOPY_COPIED           = 0x1
+	SO_EE_ORIGIN_ICMP                    = 0x2
+	SO_EE_ORIGIN_ICMP6                   = 0x3
+	SO_EE_ORIGIN_LOCAL                   = 0x1
+	SO_EE_ORIGIN_NONE                    = 0x0
+	SO_EE_ORIGIN_TIMESTAMPING            = 0x4
+	SO_EE_ORIGIN_TXSTATUS                = 0x4
+	SO_EE_ORIGIN_TXTIME                  = 0x6
+	SO_EE_ORIGIN_ZEROCOPY                = 0x5
 	SO_ERROR                             = 0x1007
 	SO_GET_FILTER                        = 0x1a
 	SO_INCOMING_CPU                      = 0x31
@@ -2038,6 +2060,7 @@
 	TCOOFF                               = 0x0
 	TCOON                                = 0x1
 	TCP_CC_INFO                          = 0x1a
+	TCP_CM_INQ                           = 0x24
 	TCP_CONGESTION                       = 0xd
 	TCP_COOKIE_IN_ALWAYS                 = 0x1
 	TCP_COOKIE_MAX                       = 0x10
@@ -2052,6 +2075,7 @@
 	TCP_FASTOPEN_KEY                     = 0x21
 	TCP_FASTOPEN_NO_COOKIE               = 0x22
 	TCP_INFO                             = 0xb
+	TCP_INQ                              = 0x24
 	TCP_KEEPCNT                          = 0x6
 	TCP_KEEPIDLE                         = 0x4
 	TCP_KEEPINTVL                        = 0x5
@@ -2071,6 +2095,9 @@
 	TCP_QUEUE_SEQ                        = 0x15
 	TCP_QUICKACK                         = 0xc
 	TCP_REPAIR                           = 0x13
+	TCP_REPAIR_OFF                       = 0x0
+	TCP_REPAIR_OFF_NO_WP                 = -0x1
+	TCP_REPAIR_ON                        = 0x1
 	TCP_REPAIR_OPTIONS                   = 0x16
 	TCP_REPAIR_QUEUE                     = 0x14
 	TCP_REPAIR_WINDOW                    = 0x1d
@@ -2085,6 +2112,7 @@
 	TCP_ULP                              = 0x1f
 	TCP_USER_TIMEOUT                     = 0x12
 	TCP_WINDOW_CLAMP                     = 0xa
+	TCP_ZEROCOPY_RECEIVE                 = 0x23
 	TCSAFLUSH                            = 0x5410
 	TCSBRK                               = 0x5405
 	TCSBRKP                              = 0x5486
diff --git a/vendor/golang.org/x/sys/unix/zerrors_linux_mipsle.go b/vendor/golang.org/x/sys/unix/zerrors_linux_mipsle.go
index a4ccc19..7ddd09d 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_linux_mipsle.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_linux_mipsle.go
@@ -41,7 +41,7 @@
 	AF_KEY                               = 0xf
 	AF_LLC                               = 0x1a
 	AF_LOCAL                             = 0x1
-	AF_MAX                               = 0x2c
+	AF_MAX                               = 0x2d
 	AF_MPLS                              = 0x1c
 	AF_NETBEUI                           = 0xd
 	AF_NETLINK                           = 0x10
@@ -706,6 +706,7 @@
 	IN_ISDIR                             = 0x40000000
 	IN_LOOPBACKNET                       = 0x7f
 	IN_MASK_ADD                          = 0x20000000
+	IN_MASK_CREATE                       = 0x10000000
 	IN_MODIFY                            = 0x2
 	IN_MOVE                              = 0xc0
 	IN_MOVED_FROM                        = 0x40
@@ -777,6 +778,7 @@
 	IPV6_MINHOPCOUNT                     = 0x49
 	IPV6_MTU                             = 0x18
 	IPV6_MTU_DISCOVER                    = 0x17
+	IPV6_MULTICAST_ALL                   = 0x1d
 	IPV6_MULTICAST_HOPS                  = 0x12
 	IPV6_MULTICAST_IF                    = 0x11
 	IPV6_MULTICAST_LOOP                  = 0x13
@@ -1537,6 +1539,13 @@
 	RLIMIT_SIGPENDING                    = 0xb
 	RLIMIT_STACK                         = 0x3
 	RLIM_INFINITY                        = 0xffffffffffffffff
+	RNDADDENTROPY                        = 0x80085203
+	RNDADDTOENTCNT                       = 0x80045201
+	RNDCLEARPOOL                         = 0x20005206
+	RNDGETENTCNT                         = 0x40045200
+	RNDGETPOOL                           = 0x40085202
+	RNDRESEEDCRNG                        = 0x20005207
+	RNDZAPENTCNT                         = 0x20005204
 	RTAX_ADVMSS                          = 0x8
 	RTAX_CC_ALGO                         = 0x10
 	RTAX_CWND                            = 0x7
@@ -1744,6 +1753,8 @@
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x80
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -1905,6 +1916,17 @@
 	SO_DETACH_FILTER                     = 0x1b
 	SO_DOMAIN                            = 0x1029
 	SO_DONTROUTE                         = 0x10
+	SO_EE_CODE_TXTIME_INVALID_PARAM      = 0x1
+	SO_EE_CODE_TXTIME_MISSED             = 0x2
+	SO_EE_CODE_ZEROCOPY_COPIED           = 0x1
+	SO_EE_ORIGIN_ICMP                    = 0x2
+	SO_EE_ORIGIN_ICMP6                   = 0x3
+	SO_EE_ORIGIN_LOCAL                   = 0x1
+	SO_EE_ORIGIN_NONE                    = 0x0
+	SO_EE_ORIGIN_TIMESTAMPING            = 0x4
+	SO_EE_ORIGIN_TXSTATUS                = 0x4
+	SO_EE_ORIGIN_TXTIME                  = 0x6
+	SO_EE_ORIGIN_ZEROCOPY                = 0x5
 	SO_ERROR                             = 0x1007
 	SO_GET_FILTER                        = 0x1a
 	SO_INCOMING_CPU                      = 0x31
@@ -2038,6 +2060,7 @@
 	TCOOFF                               = 0x0
 	TCOON                                = 0x1
 	TCP_CC_INFO                          = 0x1a
+	TCP_CM_INQ                           = 0x24
 	TCP_CONGESTION                       = 0xd
 	TCP_COOKIE_IN_ALWAYS                 = 0x1
 	TCP_COOKIE_MAX                       = 0x10
@@ -2052,6 +2075,7 @@
 	TCP_FASTOPEN_KEY                     = 0x21
 	TCP_FASTOPEN_NO_COOKIE               = 0x22
 	TCP_INFO                             = 0xb
+	TCP_INQ                              = 0x24
 	TCP_KEEPCNT                          = 0x6
 	TCP_KEEPIDLE                         = 0x4
 	TCP_KEEPINTVL                        = 0x5
@@ -2071,6 +2095,9 @@
 	TCP_QUEUE_SEQ                        = 0x15
 	TCP_QUICKACK                         = 0xc
 	TCP_REPAIR                           = 0x13
+	TCP_REPAIR_OFF                       = 0x0
+	TCP_REPAIR_OFF_NO_WP                 = -0x1
+	TCP_REPAIR_ON                        = 0x1
 	TCP_REPAIR_OPTIONS                   = 0x16
 	TCP_REPAIR_QUEUE                     = 0x14
 	TCP_REPAIR_WINDOW                    = 0x1d
@@ -2085,6 +2112,7 @@
 	TCP_ULP                              = 0x1f
 	TCP_USER_TIMEOUT                     = 0x12
 	TCP_WINDOW_CLAMP                     = 0xa
+	TCP_ZEROCOPY_RECEIVE                 = 0x23
 	TCSAFLUSH                            = 0x5410
 	TCSBRK                               = 0x5405
 	TCSBRKP                              = 0x5486
diff --git a/vendor/golang.org/x/sys/unix/zerrors_linux_ppc64.go b/vendor/golang.org/x/sys/unix/zerrors_linux_ppc64.go
index a957552..ebaca41 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_linux_ppc64.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_linux_ppc64.go
@@ -41,7 +41,7 @@
 	AF_KEY                               = 0xf
 	AF_LLC                               = 0x1a
 	AF_LOCAL                             = 0x1
-	AF_MAX                               = 0x2c
+	AF_MAX                               = 0x2d
 	AF_MPLS                              = 0x1c
 	AF_NETBEUI                           = 0xd
 	AF_NETLINK                           = 0x10
@@ -706,6 +706,7 @@
 	IN_ISDIR                             = 0x40000000
 	IN_LOOPBACKNET                       = 0x7f
 	IN_MASK_ADD                          = 0x20000000
+	IN_MASK_CREATE                       = 0x10000000
 	IN_MODIFY                            = 0x2
 	IN_MOVE                              = 0xc0
 	IN_MOVED_FROM                        = 0x40
@@ -777,6 +778,7 @@
 	IPV6_MINHOPCOUNT                     = 0x49
 	IPV6_MTU                             = 0x18
 	IPV6_MTU_DISCOVER                    = 0x17
+	IPV6_MULTICAST_ALL                   = 0x1d
 	IPV6_MULTICAST_HOPS                  = 0x12
 	IPV6_MULTICAST_IF                    = 0x11
 	IPV6_MULTICAST_LOOP                  = 0x13
@@ -1595,6 +1597,13 @@
 	RLIMIT_SIGPENDING                    = 0xb
 	RLIMIT_STACK                         = 0x3
 	RLIM_INFINITY                        = 0xffffffffffffffff
+	RNDADDENTROPY                        = 0x80085203
+	RNDADDTOENTCNT                       = 0x80045201
+	RNDCLEARPOOL                         = 0x20005206
+	RNDGETENTCNT                         = 0x40045200
+	RNDGETPOOL                           = 0x40085202
+	RNDRESEEDCRNG                        = 0x20005207
+	RNDZAPENTCNT                         = 0x20005204
 	RTAX_ADVMSS                          = 0x8
 	RTAX_CC_ALGO                         = 0x10
 	RTAX_CWND                            = 0x7
@@ -1802,6 +1811,8 @@
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x800
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -1963,6 +1974,17 @@
 	SO_DETACH_FILTER                     = 0x1b
 	SO_DOMAIN                            = 0x27
 	SO_DONTROUTE                         = 0x5
+	SO_EE_CODE_TXTIME_INVALID_PARAM      = 0x1
+	SO_EE_CODE_TXTIME_MISSED             = 0x2
+	SO_EE_CODE_ZEROCOPY_COPIED           = 0x1
+	SO_EE_ORIGIN_ICMP                    = 0x2
+	SO_EE_ORIGIN_ICMP6                   = 0x3
+	SO_EE_ORIGIN_LOCAL                   = 0x1
+	SO_EE_ORIGIN_NONE                    = 0x0
+	SO_EE_ORIGIN_TIMESTAMPING            = 0x4
+	SO_EE_ORIGIN_TXSTATUS                = 0x4
+	SO_EE_ORIGIN_TXTIME                  = 0x6
+	SO_EE_ORIGIN_ZEROCOPY                = 0x5
 	SO_ERROR                             = 0x4
 	SO_GET_FILTER                        = 0x1a
 	SO_INCOMING_CPU                      = 0x31
@@ -2094,6 +2116,7 @@
 	TCOOFF                               = 0x0
 	TCOON                                = 0x1
 	TCP_CC_INFO                          = 0x1a
+	TCP_CM_INQ                           = 0x24
 	TCP_CONGESTION                       = 0xd
 	TCP_COOKIE_IN_ALWAYS                 = 0x1
 	TCP_COOKIE_MAX                       = 0x10
@@ -2108,6 +2131,7 @@
 	TCP_FASTOPEN_KEY                     = 0x21
 	TCP_FASTOPEN_NO_COOKIE               = 0x22
 	TCP_INFO                             = 0xb
+	TCP_INQ                              = 0x24
 	TCP_KEEPCNT                          = 0x6
 	TCP_KEEPIDLE                         = 0x4
 	TCP_KEEPINTVL                        = 0x5
@@ -2127,6 +2151,9 @@
 	TCP_QUEUE_SEQ                        = 0x15
 	TCP_QUICKACK                         = 0xc
 	TCP_REPAIR                           = 0x13
+	TCP_REPAIR_OFF                       = 0x0
+	TCP_REPAIR_OFF_NO_WP                 = -0x1
+	TCP_REPAIR_ON                        = 0x1
 	TCP_REPAIR_OPTIONS                   = 0x16
 	TCP_REPAIR_QUEUE                     = 0x14
 	TCP_REPAIR_WINDOW                    = 0x1d
@@ -2141,6 +2168,7 @@
 	TCP_ULP                              = 0x1f
 	TCP_USER_TIMEOUT                     = 0x12
 	TCP_WINDOW_CLAMP                     = 0xa
+	TCP_ZEROCOPY_RECEIVE                 = 0x23
 	TCSAFLUSH                            = 0x2
 	TCSBRK                               = 0x2000741d
 	TCSBRKP                              = 0x5425
diff --git a/vendor/golang.org/x/sys/unix/zerrors_linux_ppc64le.go b/vendor/golang.org/x/sys/unix/zerrors_linux_ppc64le.go
index 4d44c9e..02938cb 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_linux_ppc64le.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_linux_ppc64le.go
@@ -41,7 +41,7 @@
 	AF_KEY                               = 0xf
 	AF_LLC                               = 0x1a
 	AF_LOCAL                             = 0x1
-	AF_MAX                               = 0x2c
+	AF_MAX                               = 0x2d
 	AF_MPLS                              = 0x1c
 	AF_NETBEUI                           = 0xd
 	AF_NETLINK                           = 0x10
@@ -706,6 +706,7 @@
 	IN_ISDIR                             = 0x40000000
 	IN_LOOPBACKNET                       = 0x7f
 	IN_MASK_ADD                          = 0x20000000
+	IN_MASK_CREATE                       = 0x10000000
 	IN_MODIFY                            = 0x2
 	IN_MOVE                              = 0xc0
 	IN_MOVED_FROM                        = 0x40
@@ -777,6 +778,7 @@
 	IPV6_MINHOPCOUNT                     = 0x49
 	IPV6_MTU                             = 0x18
 	IPV6_MTU_DISCOVER                    = 0x17
+	IPV6_MULTICAST_ALL                   = 0x1d
 	IPV6_MULTICAST_HOPS                  = 0x12
 	IPV6_MULTICAST_IF                    = 0x11
 	IPV6_MULTICAST_LOOP                  = 0x13
@@ -1595,6 +1597,13 @@
 	RLIMIT_SIGPENDING                    = 0xb
 	RLIMIT_STACK                         = 0x3
 	RLIM_INFINITY                        = 0xffffffffffffffff
+	RNDADDENTROPY                        = 0x80085203
+	RNDADDTOENTCNT                       = 0x80045201
+	RNDCLEARPOOL                         = 0x20005206
+	RNDGETENTCNT                         = 0x40045200
+	RNDGETPOOL                           = 0x40085202
+	RNDRESEEDCRNG                        = 0x20005207
+	RNDZAPENTCNT                         = 0x20005204
 	RTAX_ADVMSS                          = 0x8
 	RTAX_CC_ALGO                         = 0x10
 	RTAX_CWND                            = 0x7
@@ -1802,6 +1811,8 @@
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x800
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -1963,6 +1974,17 @@
 	SO_DETACH_FILTER                     = 0x1b
 	SO_DOMAIN                            = 0x27
 	SO_DONTROUTE                         = 0x5
+	SO_EE_CODE_TXTIME_INVALID_PARAM      = 0x1
+	SO_EE_CODE_TXTIME_MISSED             = 0x2
+	SO_EE_CODE_ZEROCOPY_COPIED           = 0x1
+	SO_EE_ORIGIN_ICMP                    = 0x2
+	SO_EE_ORIGIN_ICMP6                   = 0x3
+	SO_EE_ORIGIN_LOCAL                   = 0x1
+	SO_EE_ORIGIN_NONE                    = 0x0
+	SO_EE_ORIGIN_TIMESTAMPING            = 0x4
+	SO_EE_ORIGIN_TXSTATUS                = 0x4
+	SO_EE_ORIGIN_TXTIME                  = 0x6
+	SO_EE_ORIGIN_ZEROCOPY                = 0x5
 	SO_ERROR                             = 0x4
 	SO_GET_FILTER                        = 0x1a
 	SO_INCOMING_CPU                      = 0x31
@@ -2094,6 +2116,7 @@
 	TCOOFF                               = 0x0
 	TCOON                                = 0x1
 	TCP_CC_INFO                          = 0x1a
+	TCP_CM_INQ                           = 0x24
 	TCP_CONGESTION                       = 0xd
 	TCP_COOKIE_IN_ALWAYS                 = 0x1
 	TCP_COOKIE_MAX                       = 0x10
@@ -2108,6 +2131,7 @@
 	TCP_FASTOPEN_KEY                     = 0x21
 	TCP_FASTOPEN_NO_COOKIE               = 0x22
 	TCP_INFO                             = 0xb
+	TCP_INQ                              = 0x24
 	TCP_KEEPCNT                          = 0x6
 	TCP_KEEPIDLE                         = 0x4
 	TCP_KEEPINTVL                        = 0x5
@@ -2127,6 +2151,9 @@
 	TCP_QUEUE_SEQ                        = 0x15
 	TCP_QUICKACK                         = 0xc
 	TCP_REPAIR                           = 0x13
+	TCP_REPAIR_OFF                       = 0x0
+	TCP_REPAIR_OFF_NO_WP                 = -0x1
+	TCP_REPAIR_ON                        = 0x1
 	TCP_REPAIR_OPTIONS                   = 0x16
 	TCP_REPAIR_QUEUE                     = 0x14
 	TCP_REPAIR_WINDOW                    = 0x1d
@@ -2141,6 +2168,7 @@
 	TCP_ULP                              = 0x1f
 	TCP_USER_TIMEOUT                     = 0x12
 	TCP_WINDOW_CLAMP                     = 0xa
+	TCP_ZEROCOPY_RECEIVE                 = 0x23
 	TCSAFLUSH                            = 0x2
 	TCSBRK                               = 0x2000741d
 	TCSBRKP                              = 0x5425
diff --git a/vendor/golang.org/x/sys/unix/zerrors_linux_riscv64.go b/vendor/golang.org/x/sys/unix/zerrors_linux_riscv64.go
index 0369cc1..5aea4b9 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_linux_riscv64.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_linux_riscv64.go
@@ -41,7 +41,7 @@
 	AF_KEY                               = 0xf
 	AF_LLC                               = 0x1a
 	AF_LOCAL                             = 0x1
-	AF_MAX                               = 0x2c
+	AF_MAX                               = 0x2d
 	AF_MPLS                              = 0x1c
 	AF_NETBEUI                           = 0xd
 	AF_NETLINK                           = 0x10
@@ -706,6 +706,7 @@
 	IN_ISDIR                             = 0x40000000
 	IN_LOOPBACKNET                       = 0x7f
 	IN_MASK_ADD                          = 0x20000000
+	IN_MASK_CREATE                       = 0x10000000
 	IN_MODIFY                            = 0x2
 	IN_MOVE                              = 0xc0
 	IN_MOVED_FROM                        = 0x40
@@ -777,6 +778,7 @@
 	IPV6_MINHOPCOUNT                     = 0x49
 	IPV6_MTU                             = 0x18
 	IPV6_MTU_DISCOVER                    = 0x17
+	IPV6_MULTICAST_ALL                   = 0x1d
 	IPV6_MULTICAST_HOPS                  = 0x12
 	IPV6_MULTICAST_IF                    = 0x11
 	IPV6_MULTICAST_LOOP                  = 0x13
@@ -1525,6 +1527,13 @@
 	RLIMIT_SIGPENDING                    = 0xb
 	RLIMIT_STACK                         = 0x3
 	RLIM_INFINITY                        = 0xffffffffffffffff
+	RNDADDENTROPY                        = 0x40085203
+	RNDADDTOENTCNT                       = 0x40045201
+	RNDCLEARPOOL                         = 0x5206
+	RNDGETENTCNT                         = 0x80045200
+	RNDGETPOOL                           = 0x80085202
+	RNDRESEEDCRNG                        = 0x5207
+	RNDZAPENTCNT                         = 0x5204
 	RTAX_ADVMSS                          = 0x8
 	RTAX_CC_ALGO                         = 0x10
 	RTAX_CWND                            = 0x7
@@ -1732,6 +1741,8 @@
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x800
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -1893,6 +1904,17 @@
 	SO_DETACH_FILTER                     = 0x1b
 	SO_DOMAIN                            = 0x27
 	SO_DONTROUTE                         = 0x5
+	SO_EE_CODE_TXTIME_INVALID_PARAM      = 0x1
+	SO_EE_CODE_TXTIME_MISSED             = 0x2
+	SO_EE_CODE_ZEROCOPY_COPIED           = 0x1
+	SO_EE_ORIGIN_ICMP                    = 0x2
+	SO_EE_ORIGIN_ICMP6                   = 0x3
+	SO_EE_ORIGIN_LOCAL                   = 0x1
+	SO_EE_ORIGIN_NONE                    = 0x0
+	SO_EE_ORIGIN_TIMESTAMPING            = 0x4
+	SO_EE_ORIGIN_TXSTATUS                = 0x4
+	SO_EE_ORIGIN_TXTIME                  = 0x6
+	SO_EE_ORIGIN_ZEROCOPY                = 0x5
 	SO_ERROR                             = 0x4
 	SO_GET_FILTER                        = 0x1a
 	SO_INCOMING_CPU                      = 0x31
@@ -2026,6 +2048,7 @@
 	TCOOFF                               = 0x0
 	TCOON                                = 0x1
 	TCP_CC_INFO                          = 0x1a
+	TCP_CM_INQ                           = 0x24
 	TCP_CONGESTION                       = 0xd
 	TCP_COOKIE_IN_ALWAYS                 = 0x1
 	TCP_COOKIE_MAX                       = 0x10
@@ -2040,6 +2063,7 @@
 	TCP_FASTOPEN_KEY                     = 0x21
 	TCP_FASTOPEN_NO_COOKIE               = 0x22
 	TCP_INFO                             = 0xb
+	TCP_INQ                              = 0x24
 	TCP_KEEPCNT                          = 0x6
 	TCP_KEEPIDLE                         = 0x4
 	TCP_KEEPINTVL                        = 0x5
@@ -2059,6 +2083,9 @@
 	TCP_QUEUE_SEQ                        = 0x15
 	TCP_QUICKACK                         = 0xc
 	TCP_REPAIR                           = 0x13
+	TCP_REPAIR_OFF                       = 0x0
+	TCP_REPAIR_OFF_NO_WP                 = -0x1
+	TCP_REPAIR_ON                        = 0x1
 	TCP_REPAIR_OPTIONS                   = 0x16
 	TCP_REPAIR_QUEUE                     = 0x14
 	TCP_REPAIR_WINDOW                    = 0x1d
@@ -2073,6 +2100,7 @@
 	TCP_ULP                              = 0x1f
 	TCP_USER_TIMEOUT                     = 0x12
 	TCP_WINDOW_CLAMP                     = 0xa
+	TCP_ZEROCOPY_RECEIVE                 = 0x23
 	TCSAFLUSH                            = 0x2
 	TCSBRK                               = 0x5409
 	TCSBRKP                              = 0x5425
diff --git a/vendor/golang.org/x/sys/unix/zerrors_linux_s390x.go b/vendor/golang.org/x/sys/unix/zerrors_linux_s390x.go
index 8b4a06a..7f7c2e3 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_linux_s390x.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_linux_s390x.go
@@ -41,7 +41,7 @@
 	AF_KEY                               = 0xf
 	AF_LLC                               = 0x1a
 	AF_LOCAL                             = 0x1
-	AF_MAX                               = 0x2c
+	AF_MAX                               = 0x2d
 	AF_MPLS                              = 0x1c
 	AF_NETBEUI                           = 0xd
 	AF_NETLINK                           = 0x10
@@ -706,6 +706,7 @@
 	IN_ISDIR                             = 0x40000000
 	IN_LOOPBACKNET                       = 0x7f
 	IN_MASK_ADD                          = 0x20000000
+	IN_MASK_CREATE                       = 0x10000000
 	IN_MODIFY                            = 0x2
 	IN_MOVE                              = 0xc0
 	IN_MOVED_FROM                        = 0x40
@@ -777,6 +778,7 @@
 	IPV6_MINHOPCOUNT                     = 0x49
 	IPV6_MTU                             = 0x18
 	IPV6_MTU_DISCOVER                    = 0x17
+	IPV6_MULTICAST_ALL                   = 0x1d
 	IPV6_MULTICAST_HOPS                  = 0x12
 	IPV6_MULTICAST_IF                    = 0x11
 	IPV6_MULTICAST_LOOP                  = 0x13
@@ -1598,6 +1600,13 @@
 	RLIMIT_SIGPENDING                    = 0xb
 	RLIMIT_STACK                         = 0x3
 	RLIM_INFINITY                        = 0xffffffffffffffff
+	RNDADDENTROPY                        = 0x40085203
+	RNDADDTOENTCNT                       = 0x40045201
+	RNDCLEARPOOL                         = 0x5206
+	RNDGETENTCNT                         = 0x80045200
+	RNDGETPOOL                           = 0x80085202
+	RNDRESEEDCRNG                        = 0x5207
+	RNDZAPENTCNT                         = 0x5204
 	RTAX_ADVMSS                          = 0x8
 	RTAX_CC_ALGO                         = 0x10
 	RTAX_CWND                            = 0x7
@@ -1805,6 +1814,8 @@
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x800
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -1966,6 +1977,17 @@
 	SO_DETACH_FILTER                     = 0x1b
 	SO_DOMAIN                            = 0x27
 	SO_DONTROUTE                         = 0x5
+	SO_EE_CODE_TXTIME_INVALID_PARAM      = 0x1
+	SO_EE_CODE_TXTIME_MISSED             = 0x2
+	SO_EE_CODE_ZEROCOPY_COPIED           = 0x1
+	SO_EE_ORIGIN_ICMP                    = 0x2
+	SO_EE_ORIGIN_ICMP6                   = 0x3
+	SO_EE_ORIGIN_LOCAL                   = 0x1
+	SO_EE_ORIGIN_NONE                    = 0x0
+	SO_EE_ORIGIN_TIMESTAMPING            = 0x4
+	SO_EE_ORIGIN_TXSTATUS                = 0x4
+	SO_EE_ORIGIN_TXTIME                  = 0x6
+	SO_EE_ORIGIN_ZEROCOPY                = 0x5
 	SO_ERROR                             = 0x4
 	SO_GET_FILTER                        = 0x1a
 	SO_INCOMING_CPU                      = 0x31
@@ -2099,6 +2121,7 @@
 	TCOOFF                               = 0x0
 	TCOON                                = 0x1
 	TCP_CC_INFO                          = 0x1a
+	TCP_CM_INQ                           = 0x24
 	TCP_CONGESTION                       = 0xd
 	TCP_COOKIE_IN_ALWAYS                 = 0x1
 	TCP_COOKIE_MAX                       = 0x10
@@ -2113,6 +2136,7 @@
 	TCP_FASTOPEN_KEY                     = 0x21
 	TCP_FASTOPEN_NO_COOKIE               = 0x22
 	TCP_INFO                             = 0xb
+	TCP_INQ                              = 0x24
 	TCP_KEEPCNT                          = 0x6
 	TCP_KEEPIDLE                         = 0x4
 	TCP_KEEPINTVL                        = 0x5
@@ -2132,6 +2156,9 @@
 	TCP_QUEUE_SEQ                        = 0x15
 	TCP_QUICKACK                         = 0xc
 	TCP_REPAIR                           = 0x13
+	TCP_REPAIR_OFF                       = 0x0
+	TCP_REPAIR_OFF_NO_WP                 = -0x1
+	TCP_REPAIR_ON                        = 0x1
 	TCP_REPAIR_OPTIONS                   = 0x16
 	TCP_REPAIR_QUEUE                     = 0x14
 	TCP_REPAIR_WINDOW                    = 0x1d
@@ -2146,6 +2173,7 @@
 	TCP_ULP                              = 0x1f
 	TCP_USER_TIMEOUT                     = 0x12
 	TCP_WINDOW_CLAMP                     = 0xa
+	TCP_ZEROCOPY_RECEIVE                 = 0x23
 	TCSAFLUSH                            = 0x2
 	TCSBRK                               = 0x5409
 	TCSBRKP                              = 0x5425
diff --git a/vendor/golang.org/x/sys/unix/zerrors_linux_sparc64.go b/vendor/golang.org/x/sys/unix/zerrors_linux_sparc64.go
index 6d8a25d..968e21f 100644
--- a/vendor/golang.org/x/sys/unix/zerrors_linux_sparc64.go
+++ b/vendor/golang.org/x/sys/unix/zerrors_linux_sparc64.go
@@ -41,7 +41,7 @@
 	AF_KEY                               = 0xf
 	AF_LLC                               = 0x1a
 	AF_LOCAL                             = 0x1
-	AF_MAX                               = 0x2c
+	AF_MAX                               = 0x2d
 	AF_MPLS                              = 0x1c
 	AF_NETBEUI                           = 0xd
 	AF_NETLINK                           = 0x10
@@ -710,6 +710,7 @@
 	IN_ISDIR                             = 0x40000000
 	IN_LOOPBACKNET                       = 0x7f
 	IN_MASK_ADD                          = 0x20000000
+	IN_MASK_CREATE                       = 0x10000000
 	IN_MODIFY                            = 0x2
 	IN_MOVE                              = 0xc0
 	IN_MOVED_FROM                        = 0x40
@@ -781,6 +782,7 @@
 	IPV6_MINHOPCOUNT                     = 0x49
 	IPV6_MTU                             = 0x18
 	IPV6_MTU_DISCOVER                    = 0x17
+	IPV6_MULTICAST_ALL                   = 0x1d
 	IPV6_MULTICAST_HOPS                  = 0x12
 	IPV6_MULTICAST_IF                    = 0x11
 	IPV6_MULTICAST_LOOP                  = 0x13
@@ -1590,6 +1592,13 @@
 	RLIMIT_SIGPENDING                    = 0xb
 	RLIMIT_STACK                         = 0x3
 	RLIM_INFINITY                        = 0xffffffffffffffff
+	RNDADDENTROPY                        = 0x80085203
+	RNDADDTOENTCNT                       = 0x80045201
+	RNDCLEARPOOL                         = 0x20005206
+	RNDGETENTCNT                         = 0x40045200
+	RNDGETPOOL                           = 0x40085202
+	RNDRESEEDCRNG                        = 0x20005207
+	RNDZAPENTCNT                         = 0x20005204
 	RTAX_ADVMSS                          = 0x8
 	RTAX_CC_ALGO                         = 0x10
 	RTAX_CWND                            = 0x7
@@ -1797,6 +1806,8 @@
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x400000
+	SFD_NONBLOCK                         = 0x4000
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -1958,6 +1969,17 @@
 	SO_DETACH_FILTER                     = 0x1b
 	SO_DOMAIN                            = 0x1029
 	SO_DONTROUTE                         = 0x10
+	SO_EE_CODE_TXTIME_INVALID_PARAM      = 0x1
+	SO_EE_CODE_TXTIME_MISSED             = 0x2
+	SO_EE_CODE_ZEROCOPY_COPIED           = 0x1
+	SO_EE_ORIGIN_ICMP                    = 0x2
+	SO_EE_ORIGIN_ICMP6                   = 0x3
+	SO_EE_ORIGIN_LOCAL                   = 0x1
+	SO_EE_ORIGIN_NONE                    = 0x0
+	SO_EE_ORIGIN_TIMESTAMPING            = 0x4
+	SO_EE_ORIGIN_TXSTATUS                = 0x4
+	SO_EE_ORIGIN_TXTIME                  = 0x6
+	SO_EE_ORIGIN_ZEROCOPY                = 0x5
 	SO_ERROR                             = 0x1007
 	SO_GET_FILTER                        = 0x1a
 	SO_INCOMING_CPU                      = 0x33
@@ -2090,6 +2112,7 @@
 	TCOOFF                               = 0x0
 	TCOON                                = 0x1
 	TCP_CC_INFO                          = 0x1a
+	TCP_CM_INQ                           = 0x24
 	TCP_CONGESTION                       = 0xd
 	TCP_COOKIE_IN_ALWAYS                 = 0x1
 	TCP_COOKIE_MAX                       = 0x10
@@ -2104,6 +2127,7 @@
 	TCP_FASTOPEN_KEY                     = 0x21
 	TCP_FASTOPEN_NO_COOKIE               = 0x22
 	TCP_INFO                             = 0xb
+	TCP_INQ                              = 0x24
 	TCP_KEEPCNT                          = 0x6
 	TCP_KEEPIDLE                         = 0x4
 	TCP_KEEPINTVL                        = 0x5
@@ -2123,6 +2147,9 @@
 	TCP_QUEUE_SEQ                        = 0x15
 	TCP_QUICKACK                         = 0xc
 	TCP_REPAIR                           = 0x13
+	TCP_REPAIR_OFF                       = 0x0
+	TCP_REPAIR_OFF_NO_WP                 = -0x1
+	TCP_REPAIR_ON                        = 0x1
 	TCP_REPAIR_OPTIONS                   = 0x16
 	TCP_REPAIR_QUEUE                     = 0x14
 	TCP_REPAIR_WINDOW                    = 0x1d
@@ -2137,6 +2164,7 @@
 	TCP_ULP                              = 0x1f
 	TCP_USER_TIMEOUT                     = 0x12
 	TCP_WINDOW_CLAMP                     = 0xa
+	TCP_ZEROCOPY_RECEIVE                 = 0x23
 	TCSAFLUSH                            = 0x2
 	TCSBRK                               = 0x20005405
 	TCSBRKP                              = 0x5425
diff --git a/vendor/golang.org/x/sys/unix/zerrors_netbsd_arm64.go b/vendor/golang.org/x/sys/unix/zerrors_netbsd_arm64.go
new file mode 100644
index 0000000..fb6c604
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/zerrors_netbsd_arm64.go
@@ -0,0 +1,1762 @@
+// mkerrors.sh -m64
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build arm64,netbsd
+
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs -- -m64 _const.go
+
+package unix
+
+import "syscall"
+
+const (
+	AF_APPLETALK                      = 0x10
+	AF_ARP                            = 0x1c
+	AF_BLUETOOTH                      = 0x1f
+	AF_CCITT                          = 0xa
+	AF_CHAOS                          = 0x5
+	AF_CNT                            = 0x15
+	AF_COIP                           = 0x14
+	AF_DATAKIT                        = 0x9
+	AF_DECnet                         = 0xc
+	AF_DLI                            = 0xd
+	AF_E164                           = 0x1a
+	AF_ECMA                           = 0x8
+	AF_HYLINK                         = 0xf
+	AF_IEEE80211                      = 0x20
+	AF_IMPLINK                        = 0x3
+	AF_INET                           = 0x2
+	AF_INET6                          = 0x18
+	AF_IPX                            = 0x17
+	AF_ISDN                           = 0x1a
+	AF_ISO                            = 0x7
+	AF_LAT                            = 0xe
+	AF_LINK                           = 0x12
+	AF_LOCAL                          = 0x1
+	AF_MAX                            = 0x23
+	AF_MPLS                           = 0x21
+	AF_NATM                           = 0x1b
+	AF_NS                             = 0x6
+	AF_OROUTE                         = 0x11
+	AF_OSI                            = 0x7
+	AF_PUP                            = 0x4
+	AF_ROUTE                          = 0x22
+	AF_SNA                            = 0xb
+	AF_UNIX                           = 0x1
+	AF_UNSPEC                         = 0x0
+	ARPHRD_ARCNET                     = 0x7
+	ARPHRD_ETHER                      = 0x1
+	ARPHRD_FRELAY                     = 0xf
+	ARPHRD_IEEE1394                   = 0x18
+	ARPHRD_IEEE802                    = 0x6
+	ARPHRD_STRIP                      = 0x17
+	B0                                = 0x0
+	B110                              = 0x6e
+	B115200                           = 0x1c200
+	B1200                             = 0x4b0
+	B134                              = 0x86
+	B14400                            = 0x3840
+	B150                              = 0x96
+	B1800                             = 0x708
+	B19200                            = 0x4b00
+	B200                              = 0xc8
+	B230400                           = 0x38400
+	B2400                             = 0x960
+	B28800                            = 0x7080
+	B300                              = 0x12c
+	B38400                            = 0x9600
+	B460800                           = 0x70800
+	B4800                             = 0x12c0
+	B50                               = 0x32
+	B57600                            = 0xe100
+	B600                              = 0x258
+	B7200                             = 0x1c20
+	B75                               = 0x4b
+	B76800                            = 0x12c00
+	B921600                           = 0xe1000
+	B9600                             = 0x2580
+	BIOCFEEDBACK                      = 0x8004427d
+	BIOCFLUSH                         = 0x20004268
+	BIOCGBLEN                         = 0x40044266
+	BIOCGDLT                          = 0x4004426a
+	BIOCGDLTLIST                      = 0xc0104277
+	BIOCGETIF                         = 0x4090426b
+	BIOCGFEEDBACK                     = 0x4004427c
+	BIOCGHDRCMPLT                     = 0x40044274
+	BIOCGRTIMEOUT                     = 0x4010427b
+	BIOCGSEESENT                      = 0x40044278
+	BIOCGSTATS                        = 0x4080426f
+	BIOCGSTATSOLD                     = 0x4008426f
+	BIOCIMMEDIATE                     = 0x80044270
+	BIOCPROMISC                       = 0x20004269
+	BIOCSBLEN                         = 0xc0044266
+	BIOCSDLT                          = 0x80044276
+	BIOCSETF                          = 0x80104267
+	BIOCSETIF                         = 0x8090426c
+	BIOCSFEEDBACK                     = 0x8004427d
+	BIOCSHDRCMPLT                     = 0x80044275
+	BIOCSRTIMEOUT                     = 0x8010427a
+	BIOCSSEESENT                      = 0x80044279
+	BIOCSTCPF                         = 0x80104272
+	BIOCSUDPF                         = 0x80104273
+	BIOCVERSION                       = 0x40044271
+	BPF_A                             = 0x10
+	BPF_ABS                           = 0x20
+	BPF_ADD                           = 0x0
+	BPF_ALIGNMENT                     = 0x8
+	BPF_ALIGNMENT32                   = 0x4
+	BPF_ALU                           = 0x4
+	BPF_AND                           = 0x50
+	BPF_B                             = 0x10
+	BPF_DFLTBUFSIZE                   = 0x100000
+	BPF_DIV                           = 0x30
+	BPF_H                             = 0x8
+	BPF_IMM                           = 0x0
+	BPF_IND                           = 0x40
+	BPF_JA                            = 0x0
+	BPF_JEQ                           = 0x10
+	BPF_JGE                           = 0x30
+	BPF_JGT                           = 0x20
+	BPF_JMP                           = 0x5
+	BPF_JSET                          = 0x40
+	BPF_K                             = 0x0
+	BPF_LD                            = 0x0
+	BPF_LDX                           = 0x1
+	BPF_LEN                           = 0x80
+	BPF_LSH                           = 0x60
+	BPF_MAJOR_VERSION                 = 0x1
+	BPF_MAXBUFSIZE                    = 0x1000000
+	BPF_MAXINSNS                      = 0x200
+	BPF_MEM                           = 0x60
+	BPF_MEMWORDS                      = 0x10
+	BPF_MINBUFSIZE                    = 0x20
+	BPF_MINOR_VERSION                 = 0x1
+	BPF_MISC                          = 0x7
+	BPF_MSH                           = 0xa0
+	BPF_MUL                           = 0x20
+	BPF_NEG                           = 0x80
+	BPF_OR                            = 0x40
+	BPF_RELEASE                       = 0x30bb6
+	BPF_RET                           = 0x6
+	BPF_RSH                           = 0x70
+	BPF_ST                            = 0x2
+	BPF_STX                           = 0x3
+	BPF_SUB                           = 0x10
+	BPF_TAX                           = 0x0
+	BPF_TXA                           = 0x80
+	BPF_W                             = 0x0
+	BPF_X                             = 0x8
+	BRKINT                            = 0x2
+	CFLUSH                            = 0xf
+	CLOCAL                            = 0x8000
+	CLONE_CSIGNAL                     = 0xff
+	CLONE_FILES                       = 0x400
+	CLONE_FS                          = 0x200
+	CLONE_PID                         = 0x1000
+	CLONE_PTRACE                      = 0x2000
+	CLONE_SIGHAND                     = 0x800
+	CLONE_VFORK                       = 0x4000
+	CLONE_VM                          = 0x100
+	CREAD                             = 0x800
+	CRTSCTS                           = 0x10000
+	CS5                               = 0x0
+	CS6                               = 0x100
+	CS7                               = 0x200
+	CS8                               = 0x300
+	CSIZE                             = 0x300
+	CSTART                            = 0x11
+	CSTATUS                           = 0x14
+	CSTOP                             = 0x13
+	CSTOPB                            = 0x400
+	CSUSP                             = 0x1a
+	CTL_HW                            = 0x6
+	CTL_KERN                          = 0x1
+	CTL_MAXNAME                       = 0xc
+	CTL_NET                           = 0x4
+	CTL_QUERY                         = -0x2
+	DIOCBSFLUSH                       = 0x20006478
+	DLT_A429                          = 0xb8
+	DLT_A653_ICM                      = 0xb9
+	DLT_AIRONET_HEADER                = 0x78
+	DLT_AOS                           = 0xde
+	DLT_APPLE_IP_OVER_IEEE1394        = 0x8a
+	DLT_ARCNET                        = 0x7
+	DLT_ARCNET_LINUX                  = 0x81
+	DLT_ATM_CLIP                      = 0x13
+	DLT_ATM_RFC1483                   = 0xb
+	DLT_AURORA                        = 0x7e
+	DLT_AX25                          = 0x3
+	DLT_AX25_KISS                     = 0xca
+	DLT_BACNET_MS_TP                  = 0xa5
+	DLT_BLUETOOTH_HCI_H4              = 0xbb
+	DLT_BLUETOOTH_HCI_H4_WITH_PHDR    = 0xc9
+	DLT_CAN20B                        = 0xbe
+	DLT_CAN_SOCKETCAN                 = 0xe3
+	DLT_CHAOS                         = 0x5
+	DLT_CISCO_IOS                     = 0x76
+	DLT_C_HDLC                        = 0x68
+	DLT_C_HDLC_WITH_DIR               = 0xcd
+	DLT_DECT                          = 0xdd
+	DLT_DOCSIS                        = 0x8f
+	DLT_ECONET                        = 0x73
+	DLT_EN10MB                        = 0x1
+	DLT_EN3MB                         = 0x2
+	DLT_ENC                           = 0x6d
+	DLT_ERF                           = 0xc5
+	DLT_ERF_ETH                       = 0xaf
+	DLT_ERF_POS                       = 0xb0
+	DLT_FC_2                          = 0xe0
+	DLT_FC_2_WITH_FRAME_DELIMS        = 0xe1
+	DLT_FDDI                          = 0xa
+	DLT_FLEXRAY                       = 0xd2
+	DLT_FRELAY                        = 0x6b
+	DLT_FRELAY_WITH_DIR               = 0xce
+	DLT_GCOM_SERIAL                   = 0xad
+	DLT_GCOM_T1E1                     = 0xac
+	DLT_GPF_F                         = 0xab
+	DLT_GPF_T                         = 0xaa
+	DLT_GPRS_LLC                      = 0xa9
+	DLT_GSMTAP_ABIS                   = 0xda
+	DLT_GSMTAP_UM                     = 0xd9
+	DLT_HDLC                          = 0x10
+	DLT_HHDLC                         = 0x79
+	DLT_HIPPI                         = 0xf
+	DLT_IBM_SN                        = 0x92
+	DLT_IBM_SP                        = 0x91
+	DLT_IEEE802                       = 0x6
+	DLT_IEEE802_11                    = 0x69
+	DLT_IEEE802_11_RADIO              = 0x7f
+	DLT_IEEE802_11_RADIO_AVS          = 0xa3
+	DLT_IEEE802_15_4                  = 0xc3
+	DLT_IEEE802_15_4_LINUX            = 0xbf
+	DLT_IEEE802_15_4_NONASK_PHY       = 0xd7
+	DLT_IEEE802_16_MAC_CPS            = 0xbc
+	DLT_IEEE802_16_MAC_CPS_RADIO      = 0xc1
+	DLT_IPMB                          = 0xc7
+	DLT_IPMB_LINUX                    = 0xd1
+	DLT_IPNET                         = 0xe2
+	DLT_IPV4                          = 0xe4
+	DLT_IPV6                          = 0xe5
+	DLT_IP_OVER_FC                    = 0x7a
+	DLT_JUNIPER_ATM1                  = 0x89
+	DLT_JUNIPER_ATM2                  = 0x87
+	DLT_JUNIPER_CHDLC                 = 0xb5
+	DLT_JUNIPER_ES                    = 0x84
+	DLT_JUNIPER_ETHER                 = 0xb2
+	DLT_JUNIPER_FRELAY                = 0xb4
+	DLT_JUNIPER_GGSN                  = 0x85
+	DLT_JUNIPER_ISM                   = 0xc2
+	DLT_JUNIPER_MFR                   = 0x86
+	DLT_JUNIPER_MLFR                  = 0x83
+	DLT_JUNIPER_MLPPP                 = 0x82
+	DLT_JUNIPER_MONITOR               = 0xa4
+	DLT_JUNIPER_PIC_PEER              = 0xae
+	DLT_JUNIPER_PPP                   = 0xb3
+	DLT_JUNIPER_PPPOE                 = 0xa7
+	DLT_JUNIPER_PPPOE_ATM             = 0xa8
+	DLT_JUNIPER_SERVICES              = 0x88
+	DLT_JUNIPER_ST                    = 0xc8
+	DLT_JUNIPER_VP                    = 0xb7
+	DLT_LAPB_WITH_DIR                 = 0xcf
+	DLT_LAPD                          = 0xcb
+	DLT_LIN                           = 0xd4
+	DLT_LINUX_EVDEV                   = 0xd8
+	DLT_LINUX_IRDA                    = 0x90
+	DLT_LINUX_LAPD                    = 0xb1
+	DLT_LINUX_SLL                     = 0x71
+	DLT_LOOP                          = 0x6c
+	DLT_LTALK                         = 0x72
+	DLT_MFR                           = 0xb6
+	DLT_MOST                          = 0xd3
+	DLT_MPLS                          = 0xdb
+	DLT_MTP2                          = 0x8c
+	DLT_MTP2_WITH_PHDR                = 0x8b
+	DLT_MTP3                          = 0x8d
+	DLT_NULL                          = 0x0
+	DLT_PCI_EXP                       = 0x7d
+	DLT_PFLOG                         = 0x75
+	DLT_PFSYNC                        = 0x12
+	DLT_PPI                           = 0xc0
+	DLT_PPP                           = 0x9
+	DLT_PPP_BSDOS                     = 0xe
+	DLT_PPP_ETHER                     = 0x33
+	DLT_PPP_PPPD                      = 0xa6
+	DLT_PPP_SERIAL                    = 0x32
+	DLT_PPP_WITH_DIR                  = 0xcc
+	DLT_PRISM_HEADER                  = 0x77
+	DLT_PRONET                        = 0x4
+	DLT_RAIF1                         = 0xc6
+	DLT_RAW                           = 0xc
+	DLT_RAWAF_MASK                    = 0x2240000
+	DLT_RIO                           = 0x7c
+	DLT_SCCP                          = 0x8e
+	DLT_SITA                          = 0xc4
+	DLT_SLIP                          = 0x8
+	DLT_SLIP_BSDOS                    = 0xd
+	DLT_SUNATM                        = 0x7b
+	DLT_SYMANTEC_FIREWALL             = 0x63
+	DLT_TZSP                          = 0x80
+	DLT_USB                           = 0xba
+	DLT_USB_LINUX                     = 0xbd
+	DLT_USB_LINUX_MMAPPED             = 0xdc
+	DLT_WIHART                        = 0xdf
+	DLT_X2E_SERIAL                    = 0xd5
+	DLT_X2E_XORAYA                    = 0xd6
+	DT_BLK                            = 0x6
+	DT_CHR                            = 0x2
+	DT_DIR                            = 0x4
+	DT_FIFO                           = 0x1
+	DT_LNK                            = 0xa
+	DT_REG                            = 0x8
+	DT_SOCK                           = 0xc
+	DT_UNKNOWN                        = 0x0
+	DT_WHT                            = 0xe
+	ECHO                              = 0x8
+	ECHOCTL                           = 0x40
+	ECHOE                             = 0x2
+	ECHOK                             = 0x4
+	ECHOKE                            = 0x1
+	ECHONL                            = 0x10
+	ECHOPRT                           = 0x20
+	EMUL_LINUX                        = 0x1
+	EMUL_LINUX32                      = 0x5
+	EMUL_MAXID                        = 0x6
+	ETHERCAP_JUMBO_MTU                = 0x4
+	ETHERCAP_VLAN_HWTAGGING           = 0x2
+	ETHERCAP_VLAN_MTU                 = 0x1
+	ETHERMIN                          = 0x2e
+	ETHERMTU                          = 0x5dc
+	ETHERMTU_JUMBO                    = 0x2328
+	ETHERTYPE_8023                    = 0x4
+	ETHERTYPE_AARP                    = 0x80f3
+	ETHERTYPE_ACCTON                  = 0x8390
+	ETHERTYPE_AEONIC                  = 0x8036
+	ETHERTYPE_ALPHA                   = 0x814a
+	ETHERTYPE_AMBER                   = 0x6008
+	ETHERTYPE_AMOEBA                  = 0x8145
+	ETHERTYPE_APOLLO                  = 0x80f7
+	ETHERTYPE_APOLLODOMAIN            = 0x8019
+	ETHERTYPE_APPLETALK               = 0x809b
+	ETHERTYPE_APPLITEK                = 0x80c7
+	ETHERTYPE_ARGONAUT                = 0x803a
+	ETHERTYPE_ARP                     = 0x806
+	ETHERTYPE_AT                      = 0x809b
+	ETHERTYPE_ATALK                   = 0x809b
+	ETHERTYPE_ATOMIC                  = 0x86df
+	ETHERTYPE_ATT                     = 0x8069
+	ETHERTYPE_ATTSTANFORD             = 0x8008
+	ETHERTYPE_AUTOPHON                = 0x806a
+	ETHERTYPE_AXIS                    = 0x8856
+	ETHERTYPE_BCLOOP                  = 0x9003
+	ETHERTYPE_BOFL                    = 0x8102
+	ETHERTYPE_CABLETRON               = 0x7034
+	ETHERTYPE_CHAOS                   = 0x804
+	ETHERTYPE_COMDESIGN               = 0x806c
+	ETHERTYPE_COMPUGRAPHIC            = 0x806d
+	ETHERTYPE_COUNTERPOINT            = 0x8062
+	ETHERTYPE_CRONUS                  = 0x8004
+	ETHERTYPE_CRONUSVLN               = 0x8003
+	ETHERTYPE_DCA                     = 0x1234
+	ETHERTYPE_DDE                     = 0x807b
+	ETHERTYPE_DEBNI                   = 0xaaaa
+	ETHERTYPE_DECAM                   = 0x8048
+	ETHERTYPE_DECCUST                 = 0x6006
+	ETHERTYPE_DECDIAG                 = 0x6005
+	ETHERTYPE_DECDNS                  = 0x803c
+	ETHERTYPE_DECDTS                  = 0x803e
+	ETHERTYPE_DECEXPER                = 0x6000
+	ETHERTYPE_DECLAST                 = 0x8041
+	ETHERTYPE_DECLTM                  = 0x803f
+	ETHERTYPE_DECMUMPS                = 0x6009
+	ETHERTYPE_DECNETBIOS              = 0x8040
+	ETHERTYPE_DELTACON                = 0x86de
+	ETHERTYPE_DIDDLE                  = 0x4321
+	ETHERTYPE_DLOG1                   = 0x660
+	ETHERTYPE_DLOG2                   = 0x661
+	ETHERTYPE_DN                      = 0x6003
+	ETHERTYPE_DOGFIGHT                = 0x1989
+	ETHERTYPE_DSMD                    = 0x8039
+	ETHERTYPE_ECMA                    = 0x803
+	ETHERTYPE_ENCRYPT                 = 0x803d
+	ETHERTYPE_ES                      = 0x805d
+	ETHERTYPE_EXCELAN                 = 0x8010
+	ETHERTYPE_EXPERDATA               = 0x8049
+	ETHERTYPE_FLIP                    = 0x8146
+	ETHERTYPE_FLOWCONTROL             = 0x8808
+	ETHERTYPE_FRARP                   = 0x808
+	ETHERTYPE_GENDYN                  = 0x8068
+	ETHERTYPE_HAYES                   = 0x8130
+	ETHERTYPE_HIPPI_FP                = 0x8180
+	ETHERTYPE_HITACHI                 = 0x8820
+	ETHERTYPE_HP                      = 0x8005
+	ETHERTYPE_IEEEPUP                 = 0xa00
+	ETHERTYPE_IEEEPUPAT               = 0xa01
+	ETHERTYPE_IMLBL                   = 0x4c42
+	ETHERTYPE_IMLBLDIAG               = 0x424c
+	ETHERTYPE_IP                      = 0x800
+	ETHERTYPE_IPAS                    = 0x876c
+	ETHERTYPE_IPV6                    = 0x86dd
+	ETHERTYPE_IPX                     = 0x8137
+	ETHERTYPE_IPXNEW                  = 0x8037
+	ETHERTYPE_KALPANA                 = 0x8582
+	ETHERTYPE_LANBRIDGE               = 0x8038
+	ETHERTYPE_LANPROBE                = 0x8888
+	ETHERTYPE_LAT                     = 0x6004
+	ETHERTYPE_LBACK                   = 0x9000
+	ETHERTYPE_LITTLE                  = 0x8060
+	ETHERTYPE_LOGICRAFT               = 0x8148
+	ETHERTYPE_LOOPBACK                = 0x9000
+	ETHERTYPE_MATRA                   = 0x807a
+	ETHERTYPE_MAX                     = 0xffff
+	ETHERTYPE_MERIT                   = 0x807c
+	ETHERTYPE_MICP                    = 0x873a
+	ETHERTYPE_MOPDL                   = 0x6001
+	ETHERTYPE_MOPRC                   = 0x6002
+	ETHERTYPE_MOTOROLA                = 0x818d
+	ETHERTYPE_MPLS                    = 0x8847
+	ETHERTYPE_MPLS_MCAST              = 0x8848
+	ETHERTYPE_MUMPS                   = 0x813f
+	ETHERTYPE_NBPCC                   = 0x3c04
+	ETHERTYPE_NBPCLAIM                = 0x3c09
+	ETHERTYPE_NBPCLREQ                = 0x3c05
+	ETHERTYPE_NBPCLRSP                = 0x3c06
+	ETHERTYPE_NBPCREQ                 = 0x3c02
+	ETHERTYPE_NBPCRSP                 = 0x3c03
+	ETHERTYPE_NBPDG                   = 0x3c07
+	ETHERTYPE_NBPDGB                  = 0x3c08
+	ETHERTYPE_NBPDLTE                 = 0x3c0a
+	ETHERTYPE_NBPRAR                  = 0x3c0c
+	ETHERTYPE_NBPRAS                  = 0x3c0b
+	ETHERTYPE_NBPRST                  = 0x3c0d
+	ETHERTYPE_NBPSCD                  = 0x3c01
+	ETHERTYPE_NBPVCD                  = 0x3c00
+	ETHERTYPE_NBS                     = 0x802
+	ETHERTYPE_NCD                     = 0x8149
+	ETHERTYPE_NESTAR                  = 0x8006
+	ETHERTYPE_NETBEUI                 = 0x8191
+	ETHERTYPE_NOVELL                  = 0x8138
+	ETHERTYPE_NS                      = 0x600
+	ETHERTYPE_NSAT                    = 0x601
+	ETHERTYPE_NSCOMPAT                = 0x807
+	ETHERTYPE_NTRAILER                = 0x10
+	ETHERTYPE_OS9                     = 0x7007
+	ETHERTYPE_OS9NET                  = 0x7009
+	ETHERTYPE_PACER                   = 0x80c6
+	ETHERTYPE_PAE                     = 0x888e
+	ETHERTYPE_PCS                     = 0x4242
+	ETHERTYPE_PLANNING                = 0x8044
+	ETHERTYPE_PPP                     = 0x880b
+	ETHERTYPE_PPPOE                   = 0x8864
+	ETHERTYPE_PPPOEDISC               = 0x8863
+	ETHERTYPE_PRIMENTS                = 0x7031
+	ETHERTYPE_PUP                     = 0x200
+	ETHERTYPE_PUPAT                   = 0x200
+	ETHERTYPE_RACAL                   = 0x7030
+	ETHERTYPE_RATIONAL                = 0x8150
+	ETHERTYPE_RAWFR                   = 0x6559
+	ETHERTYPE_RCL                     = 0x1995
+	ETHERTYPE_RDP                     = 0x8739
+	ETHERTYPE_RETIX                   = 0x80f2
+	ETHERTYPE_REVARP                  = 0x8035
+	ETHERTYPE_SCA                     = 0x6007
+	ETHERTYPE_SECTRA                  = 0x86db
+	ETHERTYPE_SECUREDATA              = 0x876d
+	ETHERTYPE_SGITW                   = 0x817e
+	ETHERTYPE_SG_BOUNCE               = 0x8016
+	ETHERTYPE_SG_DIAG                 = 0x8013
+	ETHERTYPE_SG_NETGAMES             = 0x8014
+	ETHERTYPE_SG_RESV                 = 0x8015
+	ETHERTYPE_SIMNET                  = 0x5208
+	ETHERTYPE_SLOWPROTOCOLS           = 0x8809
+	ETHERTYPE_SNA                     = 0x80d5
+	ETHERTYPE_SNMP                    = 0x814c
+	ETHERTYPE_SONIX                   = 0xfaf5
+	ETHERTYPE_SPIDER                  = 0x809f
+	ETHERTYPE_SPRITE                  = 0x500
+	ETHERTYPE_STP                     = 0x8181
+	ETHERTYPE_TALARIS                 = 0x812b
+	ETHERTYPE_TALARISMC               = 0x852b
+	ETHERTYPE_TCPCOMP                 = 0x876b
+	ETHERTYPE_TCPSM                   = 0x9002
+	ETHERTYPE_TEC                     = 0x814f
+	ETHERTYPE_TIGAN                   = 0x802f
+	ETHERTYPE_TRAIL                   = 0x1000
+	ETHERTYPE_TRANSETHER              = 0x6558
+	ETHERTYPE_TYMSHARE                = 0x802e
+	ETHERTYPE_UBBST                   = 0x7005
+	ETHERTYPE_UBDEBUG                 = 0x900
+	ETHERTYPE_UBDIAGLOOP              = 0x7002
+	ETHERTYPE_UBDL                    = 0x7000
+	ETHERTYPE_UBNIU                   = 0x7001
+	ETHERTYPE_UBNMC                   = 0x7003
+	ETHERTYPE_VALID                   = 0x1600
+	ETHERTYPE_VARIAN                  = 0x80dd
+	ETHERTYPE_VAXELN                  = 0x803b
+	ETHERTYPE_VEECO                   = 0x8067
+	ETHERTYPE_VEXP                    = 0x805b
+	ETHERTYPE_VGLAB                   = 0x8131
+	ETHERTYPE_VINES                   = 0xbad
+	ETHERTYPE_VINESECHO               = 0xbaf
+	ETHERTYPE_VINESLOOP               = 0xbae
+	ETHERTYPE_VITAL                   = 0xff00
+	ETHERTYPE_VLAN                    = 0x8100
+	ETHERTYPE_VLTLMAN                 = 0x8080
+	ETHERTYPE_VPROD                   = 0x805c
+	ETHERTYPE_VURESERVED              = 0x8147
+	ETHERTYPE_WATERLOO                = 0x8130
+	ETHERTYPE_WELLFLEET               = 0x8103
+	ETHERTYPE_X25                     = 0x805
+	ETHERTYPE_X75                     = 0x801
+	ETHERTYPE_XNSSM                   = 0x9001
+	ETHERTYPE_XTP                     = 0x817d
+	ETHER_ADDR_LEN                    = 0x6
+	ETHER_CRC_LEN                     = 0x4
+	ETHER_CRC_POLY_BE                 = 0x4c11db6
+	ETHER_CRC_POLY_LE                 = 0xedb88320
+	ETHER_HDR_LEN                     = 0xe
+	ETHER_MAX_LEN                     = 0x5ee
+	ETHER_MAX_LEN_JUMBO               = 0x233a
+	ETHER_MIN_LEN                     = 0x40
+	ETHER_PPPOE_ENCAP_LEN             = 0x8
+	ETHER_TYPE_LEN                    = 0x2
+	ETHER_VLAN_ENCAP_LEN              = 0x4
+	EVFILT_AIO                        = 0x2
+	EVFILT_PROC                       = 0x4
+	EVFILT_READ                       = 0x0
+	EVFILT_SIGNAL                     = 0x5
+	EVFILT_SYSCOUNT                   = 0x7
+	EVFILT_TIMER                      = 0x6
+	EVFILT_VNODE                      = 0x3
+	EVFILT_WRITE                      = 0x1
+	EV_ADD                            = 0x1
+	EV_CLEAR                          = 0x20
+	EV_DELETE                         = 0x2
+	EV_DISABLE                        = 0x8
+	EV_ENABLE                         = 0x4
+	EV_EOF                            = 0x8000
+	EV_ERROR                          = 0x4000
+	EV_FLAG1                          = 0x2000
+	EV_ONESHOT                        = 0x10
+	EV_SYSFLAGS                       = 0xf000
+	EXTA                              = 0x4b00
+	EXTATTR_CMD_START                 = 0x1
+	EXTATTR_CMD_STOP                  = 0x2
+	EXTATTR_NAMESPACE_SYSTEM          = 0x2
+	EXTATTR_NAMESPACE_USER            = 0x1
+	EXTB                              = 0x9600
+	EXTPROC                           = 0x800
+	FD_CLOEXEC                        = 0x1
+	FD_SETSIZE                        = 0x100
+	FLUSHO                            = 0x800000
+	F_CLOSEM                          = 0xa
+	F_DUPFD                           = 0x0
+	F_DUPFD_CLOEXEC                   = 0xc
+	F_FSCTL                           = -0x80000000
+	F_FSDIRMASK                       = 0x70000000
+	F_FSIN                            = 0x10000000
+	F_FSINOUT                         = 0x30000000
+	F_FSOUT                           = 0x20000000
+	F_FSPRIV                          = 0x8000
+	F_FSVOID                          = 0x40000000
+	F_GETFD                           = 0x1
+	F_GETFL                           = 0x3
+	F_GETLK                           = 0x7
+	F_GETNOSIGPIPE                    = 0xd
+	F_GETOWN                          = 0x5
+	F_MAXFD                           = 0xb
+	F_OK                              = 0x0
+	F_PARAM_MASK                      = 0xfff
+	F_PARAM_MAX                       = 0xfff
+	F_RDLCK                           = 0x1
+	F_SETFD                           = 0x2
+	F_SETFL                           = 0x4
+	F_SETLK                           = 0x8
+	F_SETLKW                          = 0x9
+	F_SETNOSIGPIPE                    = 0xe
+	F_SETOWN                          = 0x6
+	F_UNLCK                           = 0x2
+	F_WRLCK                           = 0x3
+	HUPCL                             = 0x4000
+	HW_MACHINE                        = 0x1
+	ICANON                            = 0x100
+	ICMP6_FILTER                      = 0x12
+	ICRNL                             = 0x100
+	IEXTEN                            = 0x400
+	IFAN_ARRIVAL                      = 0x0
+	IFAN_DEPARTURE                    = 0x1
+	IFA_ROUTE                         = 0x1
+	IFF_ALLMULTI                      = 0x200
+	IFF_BROADCAST                     = 0x2
+	IFF_CANTCHANGE                    = 0x8f52
+	IFF_DEBUG                         = 0x4
+	IFF_LINK0                         = 0x1000
+	IFF_LINK1                         = 0x2000
+	IFF_LINK2                         = 0x4000
+	IFF_LOOPBACK                      = 0x8
+	IFF_MULTICAST                     = 0x8000
+	IFF_NOARP                         = 0x80
+	IFF_NOTRAILERS                    = 0x20
+	IFF_OACTIVE                       = 0x400
+	IFF_POINTOPOINT                   = 0x10
+	IFF_PROMISC                       = 0x100
+	IFF_RUNNING                       = 0x40
+	IFF_SIMPLEX                       = 0x800
+	IFF_UP                            = 0x1
+	IFNAMSIZ                          = 0x10
+	IFT_1822                          = 0x2
+	IFT_A12MPPSWITCH                  = 0x82
+	IFT_AAL2                          = 0xbb
+	IFT_AAL5                          = 0x31
+	IFT_ADSL                          = 0x5e
+	IFT_AFLANE8023                    = 0x3b
+	IFT_AFLANE8025                    = 0x3c
+	IFT_ARAP                          = 0x58
+	IFT_ARCNET                        = 0x23
+	IFT_ARCNETPLUS                    = 0x24
+	IFT_ASYNC                         = 0x54
+	IFT_ATM                           = 0x25
+	IFT_ATMDXI                        = 0x69
+	IFT_ATMFUNI                       = 0x6a
+	IFT_ATMIMA                        = 0x6b
+	IFT_ATMLOGICAL                    = 0x50
+	IFT_ATMRADIO                      = 0xbd
+	IFT_ATMSUBINTERFACE               = 0x86
+	IFT_ATMVCIENDPT                   = 0xc2
+	IFT_ATMVIRTUAL                    = 0x95
+	IFT_BGPPOLICYACCOUNTING           = 0xa2
+	IFT_BRIDGE                        = 0xd1
+	IFT_BSC                           = 0x53
+	IFT_CARP                          = 0xf8
+	IFT_CCTEMUL                       = 0x3d
+	IFT_CEPT                          = 0x13
+	IFT_CES                           = 0x85
+	IFT_CHANNEL                       = 0x46
+	IFT_CNR                           = 0x55
+	IFT_COFFEE                        = 0x84
+	IFT_COMPOSITELINK                 = 0x9b
+	IFT_DCN                           = 0x8d
+	IFT_DIGITALPOWERLINE              = 0x8a
+	IFT_DIGITALWRAPPEROVERHEADCHANNEL = 0xba
+	IFT_DLSW                          = 0x4a
+	IFT_DOCSCABLEDOWNSTREAM           = 0x80
+	IFT_DOCSCABLEMACLAYER             = 0x7f
+	IFT_DOCSCABLEUPSTREAM             = 0x81
+	IFT_DOCSCABLEUPSTREAMCHANNEL      = 0xcd
+	IFT_DS0                           = 0x51
+	IFT_DS0BUNDLE                     = 0x52
+	IFT_DS1FDL                        = 0xaa
+	IFT_DS3                           = 0x1e
+	IFT_DTM                           = 0x8c
+	IFT_DVBASILN                      = 0xac
+	IFT_DVBASIOUT                     = 0xad
+	IFT_DVBRCCDOWNSTREAM              = 0x93
+	IFT_DVBRCCMACLAYER                = 0x92
+	IFT_DVBRCCUPSTREAM                = 0x94
+	IFT_ECONET                        = 0xce
+	IFT_EON                           = 0x19
+	IFT_EPLRS                         = 0x57
+	IFT_ESCON                         = 0x49
+	IFT_ETHER                         = 0x6
+	IFT_FAITH                         = 0xf2
+	IFT_FAST                          = 0x7d
+	IFT_FASTETHER                     = 0x3e
+	IFT_FASTETHERFX                   = 0x45
+	IFT_FDDI                          = 0xf
+	IFT_FIBRECHANNEL                  = 0x38
+	IFT_FRAMERELAYINTERCONNECT        = 0x3a
+	IFT_FRAMERELAYMPI                 = 0x5c
+	IFT_FRDLCIENDPT                   = 0xc1
+	IFT_FRELAY                        = 0x20
+	IFT_FRELAYDCE                     = 0x2c
+	IFT_FRF16MFRBUNDLE                = 0xa3
+	IFT_FRFORWARD                     = 0x9e
+	IFT_G703AT2MB                     = 0x43
+	IFT_G703AT64K                     = 0x42
+	IFT_GIF                           = 0xf0
+	IFT_GIGABITETHERNET               = 0x75
+	IFT_GR303IDT                      = 0xb2
+	IFT_GR303RDT                      = 0xb1
+	IFT_H323GATEKEEPER                = 0xa4
+	IFT_H323PROXY                     = 0xa5
+	IFT_HDH1822                       = 0x3
+	IFT_HDLC                          = 0x76
+	IFT_HDSL2                         = 0xa8
+	IFT_HIPERLAN2                     = 0xb7
+	IFT_HIPPI                         = 0x2f
+	IFT_HIPPIINTERFACE                = 0x39
+	IFT_HOSTPAD                       = 0x5a
+	IFT_HSSI                          = 0x2e
+	IFT_HY                            = 0xe
+	IFT_IBM370PARCHAN                 = 0x48
+	IFT_IDSL                          = 0x9a
+	IFT_IEEE1394                      = 0x90
+	IFT_IEEE80211                     = 0x47
+	IFT_IEEE80212                     = 0x37
+	IFT_IEEE8023ADLAG                 = 0xa1
+	IFT_IFGSN                         = 0x91
+	IFT_IMT                           = 0xbe
+	IFT_INFINIBAND                    = 0xc7
+	IFT_INTERLEAVE                    = 0x7c
+	IFT_IP                            = 0x7e
+	IFT_IPFORWARD                     = 0x8e
+	IFT_IPOVERATM                     = 0x72
+	IFT_IPOVERCDLC                    = 0x6d
+	IFT_IPOVERCLAW                    = 0x6e
+	IFT_IPSWITCH                      = 0x4e
+	IFT_ISDN                          = 0x3f
+	IFT_ISDNBASIC                     = 0x14
+	IFT_ISDNPRIMARY                   = 0x15
+	IFT_ISDNS                         = 0x4b
+	IFT_ISDNU                         = 0x4c
+	IFT_ISO88022LLC                   = 0x29
+	IFT_ISO88023                      = 0x7
+	IFT_ISO88024                      = 0x8
+	IFT_ISO88025                      = 0x9
+	IFT_ISO88025CRFPINT               = 0x62
+	IFT_ISO88025DTR                   = 0x56
+	IFT_ISO88025FIBER                 = 0x73
+	IFT_ISO88026                      = 0xa
+	IFT_ISUP                          = 0xb3
+	IFT_L2VLAN                        = 0x87
+	IFT_L3IPVLAN                      = 0x88
+	IFT_L3IPXVLAN                     = 0x89
+	IFT_LAPB                          = 0x10
+	IFT_LAPD                          = 0x4d
+	IFT_LAPF                          = 0x77
+	IFT_LINEGROUP                     = 0xd2
+	IFT_LOCALTALK                     = 0x2a
+	IFT_LOOP                          = 0x18
+	IFT_MEDIAMAILOVERIP               = 0x8b
+	IFT_MFSIGLINK                     = 0xa7
+	IFT_MIOX25                        = 0x26
+	IFT_MODEM                         = 0x30
+	IFT_MPC                           = 0x71
+	IFT_MPLS                          = 0xa6
+	IFT_MPLSTUNNEL                    = 0x96
+	IFT_MSDSL                         = 0x8f
+	IFT_MVL                           = 0xbf
+	IFT_MYRINET                       = 0x63
+	IFT_NFAS                          = 0xaf
+	IFT_NSIP                          = 0x1b
+	IFT_OPTICALCHANNEL                = 0xc3
+	IFT_OPTICALTRANSPORT              = 0xc4
+	IFT_OTHER                         = 0x1
+	IFT_P10                           = 0xc
+	IFT_P80                           = 0xd
+	IFT_PARA                          = 0x22
+	IFT_PFLOG                         = 0xf5
+	IFT_PFSYNC                        = 0xf6
+	IFT_PLC                           = 0xae
+	IFT_PON155                        = 0xcf
+	IFT_PON622                        = 0xd0
+	IFT_POS                           = 0xab
+	IFT_PPP                           = 0x17
+	IFT_PPPMULTILINKBUNDLE            = 0x6c
+	IFT_PROPATM                       = 0xc5
+	IFT_PROPBWAP2MP                   = 0xb8
+	IFT_PROPCNLS                      = 0x59
+	IFT_PROPDOCSWIRELESSDOWNSTREAM    = 0xb5
+	IFT_PROPDOCSWIRELESSMACLAYER      = 0xb4
+	IFT_PROPDOCSWIRELESSUPSTREAM      = 0xb6
+	IFT_PROPMUX                       = 0x36
+	IFT_PROPVIRTUAL                   = 0x35
+	IFT_PROPWIRELESSP2P               = 0x9d
+	IFT_PTPSERIAL                     = 0x16
+	IFT_PVC                           = 0xf1
+	IFT_Q2931                         = 0xc9
+	IFT_QLLC                          = 0x44
+	IFT_RADIOMAC                      = 0xbc
+	IFT_RADSL                         = 0x5f
+	IFT_REACHDSL                      = 0xc0
+	IFT_RFC1483                       = 0x9f
+	IFT_RS232                         = 0x21
+	IFT_RSRB                          = 0x4f
+	IFT_SDLC                          = 0x11
+	IFT_SDSL                          = 0x60
+	IFT_SHDSL                         = 0xa9
+	IFT_SIP                           = 0x1f
+	IFT_SIPSIG                        = 0xcc
+	IFT_SIPTG                         = 0xcb
+	IFT_SLIP                          = 0x1c
+	IFT_SMDSDXI                       = 0x2b
+	IFT_SMDSICIP                      = 0x34
+	IFT_SONET                         = 0x27
+	IFT_SONETOVERHEADCHANNEL          = 0xb9
+	IFT_SONETPATH                     = 0x32
+	IFT_SONETVT                       = 0x33
+	IFT_SRP                           = 0x97
+	IFT_SS7SIGLINK                    = 0x9c
+	IFT_STACKTOSTACK                  = 0x6f
+	IFT_STARLAN                       = 0xb
+	IFT_STF                           = 0xd7
+	IFT_T1                            = 0x12
+	IFT_TDLC                          = 0x74
+	IFT_TELINK                        = 0xc8
+	IFT_TERMPAD                       = 0x5b
+	IFT_TR008                         = 0xb0
+	IFT_TRANSPHDLC                    = 0x7b
+	IFT_TUNNEL                        = 0x83
+	IFT_ULTRA                         = 0x1d
+	IFT_USB                           = 0xa0
+	IFT_V11                           = 0x40
+	IFT_V35                           = 0x2d
+	IFT_V36                           = 0x41
+	IFT_V37                           = 0x78
+	IFT_VDSL                          = 0x61
+	IFT_VIRTUALIPADDRESS              = 0x70
+	IFT_VIRTUALTG                     = 0xca
+	IFT_VOICEDID                      = 0xd5
+	IFT_VOICEEM                       = 0x64
+	IFT_VOICEEMFGD                    = 0xd3
+	IFT_VOICEENCAP                    = 0x67
+	IFT_VOICEFGDEANA                  = 0xd4
+	IFT_VOICEFXO                      = 0x65
+	IFT_VOICEFXS                      = 0x66
+	IFT_VOICEOVERATM                  = 0x98
+	IFT_VOICEOVERCABLE                = 0xc6
+	IFT_VOICEOVERFRAMERELAY           = 0x99
+	IFT_VOICEOVERIP                   = 0x68
+	IFT_X213                          = 0x5d
+	IFT_X25                           = 0x5
+	IFT_X25DDN                        = 0x4
+	IFT_X25HUNTGROUP                  = 0x7a
+	IFT_X25MLP                        = 0x79
+	IFT_X25PLE                        = 0x28
+	IFT_XETHER                        = 0x1a
+	IGNBRK                            = 0x1
+	IGNCR                             = 0x80
+	IGNPAR                            = 0x4
+	IMAXBEL                           = 0x2000
+	INLCR                             = 0x40
+	INPCK                             = 0x10
+	IN_CLASSA_HOST                    = 0xffffff
+	IN_CLASSA_MAX                     = 0x80
+	IN_CLASSA_NET                     = 0xff000000
+	IN_CLASSA_NSHIFT                  = 0x18
+	IN_CLASSB_HOST                    = 0xffff
+	IN_CLASSB_MAX                     = 0x10000
+	IN_CLASSB_NET                     = 0xffff0000
+	IN_CLASSB_NSHIFT                  = 0x10
+	IN_CLASSC_HOST                    = 0xff
+	IN_CLASSC_NET                     = 0xffffff00
+	IN_CLASSC_NSHIFT                  = 0x8
+	IN_CLASSD_HOST                    = 0xfffffff
+	IN_CLASSD_NET                     = 0xf0000000
+	IN_CLASSD_NSHIFT                  = 0x1c
+	IN_LOOPBACKNET                    = 0x7f
+	IPPROTO_AH                        = 0x33
+	IPPROTO_CARP                      = 0x70
+	IPPROTO_DONE                      = 0x101
+	IPPROTO_DSTOPTS                   = 0x3c
+	IPPROTO_EGP                       = 0x8
+	IPPROTO_ENCAP                     = 0x62
+	IPPROTO_EON                       = 0x50
+	IPPROTO_ESP                       = 0x32
+	IPPROTO_ETHERIP                   = 0x61
+	IPPROTO_FRAGMENT                  = 0x2c
+	IPPROTO_GGP                       = 0x3
+	IPPROTO_GRE                       = 0x2f
+	IPPROTO_HOPOPTS                   = 0x0
+	IPPROTO_ICMP                      = 0x1
+	IPPROTO_ICMPV6                    = 0x3a
+	IPPROTO_IDP                       = 0x16
+	IPPROTO_IGMP                      = 0x2
+	IPPROTO_IP                        = 0x0
+	IPPROTO_IPCOMP                    = 0x6c
+	IPPROTO_IPIP                      = 0x4
+	IPPROTO_IPV4                      = 0x4
+	IPPROTO_IPV6                      = 0x29
+	IPPROTO_IPV6_ICMP                 = 0x3a
+	IPPROTO_MAX                       = 0x100
+	IPPROTO_MAXID                     = 0x34
+	IPPROTO_MOBILE                    = 0x37
+	IPPROTO_NONE                      = 0x3b
+	IPPROTO_PFSYNC                    = 0xf0
+	IPPROTO_PIM                       = 0x67
+	IPPROTO_PUP                       = 0xc
+	IPPROTO_RAW                       = 0xff
+	IPPROTO_ROUTING                   = 0x2b
+	IPPROTO_RSVP                      = 0x2e
+	IPPROTO_TCP                       = 0x6
+	IPPROTO_TP                        = 0x1d
+	IPPROTO_UDP                       = 0x11
+	IPPROTO_VRRP                      = 0x70
+	IPV6_CHECKSUM                     = 0x1a
+	IPV6_DEFAULT_MULTICAST_HOPS       = 0x1
+	IPV6_DEFAULT_MULTICAST_LOOP       = 0x1
+	IPV6_DEFHLIM                      = 0x40
+	IPV6_DONTFRAG                     = 0x3e
+	IPV6_DSTOPTS                      = 0x32
+	IPV6_FAITH                        = 0x1d
+	IPV6_FLOWINFO_MASK                = 0xffffff0f
+	IPV6_FLOWLABEL_MASK               = 0xffff0f00
+	IPV6_FRAGTTL                      = 0x78
+	IPV6_HLIMDEC                      = 0x1
+	IPV6_HOPLIMIT                     = 0x2f
+	IPV6_HOPOPTS                      = 0x31
+	IPV6_IPSEC_POLICY                 = 0x1c
+	IPV6_JOIN_GROUP                   = 0xc
+	IPV6_LEAVE_GROUP                  = 0xd
+	IPV6_MAXHLIM                      = 0xff
+	IPV6_MAXPACKET                    = 0xffff
+	IPV6_MMTU                         = 0x500
+	IPV6_MULTICAST_HOPS               = 0xa
+	IPV6_MULTICAST_IF                 = 0x9
+	IPV6_MULTICAST_LOOP               = 0xb
+	IPV6_NEXTHOP                      = 0x30
+	IPV6_PATHMTU                      = 0x2c
+	IPV6_PKTINFO                      = 0x2e
+	IPV6_PORTRANGE                    = 0xe
+	IPV6_PORTRANGE_DEFAULT            = 0x0
+	IPV6_PORTRANGE_HIGH               = 0x1
+	IPV6_PORTRANGE_LOW                = 0x2
+	IPV6_RECVDSTOPTS                  = 0x28
+	IPV6_RECVHOPLIMIT                 = 0x25
+	IPV6_RECVHOPOPTS                  = 0x27
+	IPV6_RECVPATHMTU                  = 0x2b
+	IPV6_RECVPKTINFO                  = 0x24
+	IPV6_RECVRTHDR                    = 0x26
+	IPV6_RECVTCLASS                   = 0x39
+	IPV6_RTHDR                        = 0x33
+	IPV6_RTHDRDSTOPTS                 = 0x23
+	IPV6_RTHDR_LOOSE                  = 0x0
+	IPV6_RTHDR_STRICT                 = 0x1
+	IPV6_RTHDR_TYPE_0                 = 0x0
+	IPV6_SOCKOPT_RESERVED1            = 0x3
+	IPV6_TCLASS                       = 0x3d
+	IPV6_UNICAST_HOPS                 = 0x4
+	IPV6_USE_MIN_MTU                  = 0x2a
+	IPV6_V6ONLY                       = 0x1b
+	IPV6_VERSION                      = 0x60
+	IPV6_VERSION_MASK                 = 0xf0
+	IP_ADD_MEMBERSHIP                 = 0xc
+	IP_DEFAULT_MULTICAST_LOOP         = 0x1
+	IP_DEFAULT_MULTICAST_TTL          = 0x1
+	IP_DF                             = 0x4000
+	IP_DROP_MEMBERSHIP                = 0xd
+	IP_EF                             = 0x8000
+	IP_ERRORMTU                       = 0x15
+	IP_HDRINCL                        = 0x2
+	IP_IPSEC_POLICY                   = 0x16
+	IP_MAXPACKET                      = 0xffff
+	IP_MAX_MEMBERSHIPS                = 0x14
+	IP_MF                             = 0x2000
+	IP_MINFRAGSIZE                    = 0x45
+	IP_MINTTL                         = 0x18
+	IP_MSS                            = 0x240
+	IP_MULTICAST_IF                   = 0x9
+	IP_MULTICAST_LOOP                 = 0xb
+	IP_MULTICAST_TTL                  = 0xa
+	IP_OFFMASK                        = 0x1fff
+	IP_OPTIONS                        = 0x1
+	IP_PORTRANGE                      = 0x13
+	IP_PORTRANGE_DEFAULT              = 0x0
+	IP_PORTRANGE_HIGH                 = 0x1
+	IP_PORTRANGE_LOW                  = 0x2
+	IP_RECVDSTADDR                    = 0x7
+	IP_RECVIF                         = 0x14
+	IP_RECVOPTS                       = 0x5
+	IP_RECVRETOPTS                    = 0x6
+	IP_RECVTTL                        = 0x17
+	IP_RETOPTS                        = 0x8
+	IP_RF                             = 0x8000
+	IP_TOS                            = 0x3
+	IP_TTL                            = 0x4
+	ISIG                              = 0x80
+	ISTRIP                            = 0x20
+	IXANY                             = 0x800
+	IXOFF                             = 0x400
+	IXON                              = 0x200
+	KERN_HOSTNAME                     = 0xa
+	KERN_OSRELEASE                    = 0x2
+	KERN_OSTYPE                       = 0x1
+	KERN_VERSION                      = 0x4
+	LOCK_EX                           = 0x2
+	LOCK_NB                           = 0x4
+	LOCK_SH                           = 0x1
+	LOCK_UN                           = 0x8
+	MADV_DONTNEED                     = 0x4
+	MADV_FREE                         = 0x6
+	MADV_NORMAL                       = 0x0
+	MADV_RANDOM                       = 0x1
+	MADV_SEQUENTIAL                   = 0x2
+	MADV_SPACEAVAIL                   = 0x5
+	MADV_WILLNEED                     = 0x3
+	MAP_ALIGNMENT_16MB                = 0x18000000
+	MAP_ALIGNMENT_1TB                 = 0x28000000
+	MAP_ALIGNMENT_256TB               = 0x30000000
+	MAP_ALIGNMENT_4GB                 = 0x20000000
+	MAP_ALIGNMENT_64KB                = 0x10000000
+	MAP_ALIGNMENT_64PB                = 0x38000000
+	MAP_ALIGNMENT_MASK                = -0x1000000
+	MAP_ALIGNMENT_SHIFT               = 0x18
+	MAP_ANON                          = 0x1000
+	MAP_FILE                          = 0x0
+	MAP_FIXED                         = 0x10
+	MAP_HASSEMAPHORE                  = 0x200
+	MAP_INHERIT                       = 0x80
+	MAP_INHERIT_COPY                  = 0x1
+	MAP_INHERIT_DEFAULT               = 0x1
+	MAP_INHERIT_DONATE_COPY           = 0x3
+	MAP_INHERIT_NONE                  = 0x2
+	MAP_INHERIT_SHARE                 = 0x0
+	MAP_NORESERVE                     = 0x40
+	MAP_PRIVATE                       = 0x2
+	MAP_RENAME                        = 0x20
+	MAP_SHARED                        = 0x1
+	MAP_STACK                         = 0x2000
+	MAP_TRYFIXED                      = 0x400
+	MAP_WIRED                         = 0x800
+	MCL_CURRENT                       = 0x1
+	MCL_FUTURE                        = 0x2
+	MNT_ASYNC                         = 0x40
+	MNT_BASIC_FLAGS                   = 0xe782807f
+	MNT_DEFEXPORTED                   = 0x200
+	MNT_DISCARD                       = 0x800000
+	MNT_EXKERB                        = 0x800
+	MNT_EXNORESPORT                   = 0x8000000
+	MNT_EXPORTANON                    = 0x400
+	MNT_EXPORTED                      = 0x100
+	MNT_EXPUBLIC                      = 0x10000000
+	MNT_EXRDONLY                      = 0x80
+	MNT_EXTATTR                       = 0x1000000
+	MNT_FORCE                         = 0x80000
+	MNT_GETARGS                       = 0x400000
+	MNT_IGNORE                        = 0x100000
+	MNT_LAZY                          = 0x3
+	MNT_LOCAL                         = 0x1000
+	MNT_LOG                           = 0x2000000
+	MNT_NOATIME                       = 0x4000000
+	MNT_NOCOREDUMP                    = 0x8000
+	MNT_NODEV                         = 0x10
+	MNT_NODEVMTIME                    = 0x40000000
+	MNT_NOEXEC                        = 0x4
+	MNT_NOSUID                        = 0x8
+	MNT_NOWAIT                        = 0x2
+	MNT_OP_FLAGS                      = 0x4d0000
+	MNT_QUOTA                         = 0x2000
+	MNT_RDONLY                        = 0x1
+	MNT_RELATIME                      = 0x20000
+	MNT_RELOAD                        = 0x40000
+	MNT_ROOTFS                        = 0x4000
+	MNT_SOFTDEP                       = 0x80000000
+	MNT_SYMPERM                       = 0x20000000
+	MNT_SYNCHRONOUS                   = 0x2
+	MNT_UNION                         = 0x20
+	MNT_UPDATE                        = 0x10000
+	MNT_VISFLAGMASK                   = 0xff90ffff
+	MNT_WAIT                          = 0x1
+	MSG_BCAST                         = 0x100
+	MSG_CMSG_CLOEXEC                  = 0x800
+	MSG_CONTROLMBUF                   = 0x2000000
+	MSG_CTRUNC                        = 0x20
+	MSG_DONTROUTE                     = 0x4
+	MSG_DONTWAIT                      = 0x80
+	MSG_EOR                           = 0x8
+	MSG_IOVUSRSPACE                   = 0x4000000
+	MSG_LENUSRSPACE                   = 0x8000000
+	MSG_MCAST                         = 0x200
+	MSG_NAMEMBUF                      = 0x1000000
+	MSG_NBIO                          = 0x1000
+	MSG_NOSIGNAL                      = 0x400
+	MSG_OOB                           = 0x1
+	MSG_PEEK                          = 0x2
+	MSG_TRUNC                         = 0x10
+	MSG_USERFLAGS                     = 0xffffff
+	MSG_WAITALL                       = 0x40
+	MS_ASYNC                          = 0x1
+	MS_INVALIDATE                     = 0x2
+	MS_SYNC                           = 0x4
+	NAME_MAX                          = 0x1ff
+	NET_RT_DUMP                       = 0x1
+	NET_RT_FLAGS                      = 0x2
+	NET_RT_IFLIST                     = 0x5
+	NET_RT_MAXID                      = 0x6
+	NET_RT_OIFLIST                    = 0x4
+	NET_RT_OOIFLIST                   = 0x3
+	NOFLSH                            = 0x80000000
+	NOTE_ATTRIB                       = 0x8
+	NOTE_CHILD                        = 0x4
+	NOTE_DELETE                       = 0x1
+	NOTE_EXEC                         = 0x20000000
+	NOTE_EXIT                         = 0x80000000
+	NOTE_EXTEND                       = 0x4
+	NOTE_FORK                         = 0x40000000
+	NOTE_LINK                         = 0x10
+	NOTE_LOWAT                        = 0x1
+	NOTE_PCTRLMASK                    = 0xf0000000
+	NOTE_PDATAMASK                    = 0xfffff
+	NOTE_RENAME                       = 0x20
+	NOTE_REVOKE                       = 0x40
+	NOTE_TRACK                        = 0x1
+	NOTE_TRACKERR                     = 0x2
+	NOTE_WRITE                        = 0x2
+	OCRNL                             = 0x10
+	OFIOGETBMAP                       = 0xc004667a
+	ONLCR                             = 0x2
+	ONLRET                            = 0x40
+	ONOCR                             = 0x20
+	ONOEOT                            = 0x8
+	OPOST                             = 0x1
+	O_ACCMODE                         = 0x3
+	O_ALT_IO                          = 0x40000
+	O_APPEND                          = 0x8
+	O_ASYNC                           = 0x40
+	O_CLOEXEC                         = 0x400000
+	O_CREAT                           = 0x200
+	O_DIRECT                          = 0x80000
+	O_DIRECTORY                       = 0x200000
+	O_DSYNC                           = 0x10000
+	O_EXCL                            = 0x800
+	O_EXLOCK                          = 0x20
+	O_FSYNC                           = 0x80
+	O_NDELAY                          = 0x4
+	O_NOCTTY                          = 0x8000
+	O_NOFOLLOW                        = 0x100
+	O_NONBLOCK                        = 0x4
+	O_NOSIGPIPE                       = 0x1000000
+	O_RDONLY                          = 0x0
+	O_RDWR                            = 0x2
+	O_RSYNC                           = 0x20000
+	O_SHLOCK                          = 0x10
+	O_SYNC                            = 0x80
+	O_TRUNC                           = 0x400
+	O_WRONLY                          = 0x1
+	PARENB                            = 0x1000
+	PARMRK                            = 0x8
+	PARODD                            = 0x2000
+	PENDIN                            = 0x20000000
+	PRIO_PGRP                         = 0x1
+	PRIO_PROCESS                      = 0x0
+	PRIO_USER                         = 0x2
+	PRI_IOFLUSH                       = 0x7c
+	PROT_EXEC                         = 0x4
+	PROT_NONE                         = 0x0
+	PROT_READ                         = 0x1
+	PROT_WRITE                        = 0x2
+	RLIMIT_AS                         = 0xa
+	RLIMIT_CORE                       = 0x4
+	RLIMIT_CPU                        = 0x0
+	RLIMIT_DATA                       = 0x2
+	RLIMIT_FSIZE                      = 0x1
+	RLIMIT_MEMLOCK                    = 0x6
+	RLIMIT_NOFILE                     = 0x8
+	RLIMIT_NPROC                      = 0x7
+	RLIMIT_RSS                        = 0x5
+	RLIMIT_STACK                      = 0x3
+	RLIM_INFINITY                     = 0x7fffffffffffffff
+	RTAX_AUTHOR                       = 0x6
+	RTAX_BRD                          = 0x7
+	RTAX_DST                          = 0x0
+	RTAX_GATEWAY                      = 0x1
+	RTAX_GENMASK                      = 0x3
+	RTAX_IFA                          = 0x5
+	RTAX_IFP                          = 0x4
+	RTAX_MAX                          = 0x9
+	RTAX_NETMASK                      = 0x2
+	RTAX_TAG                          = 0x8
+	RTA_AUTHOR                        = 0x40
+	RTA_BRD                           = 0x80
+	RTA_DST                           = 0x1
+	RTA_GATEWAY                       = 0x2
+	RTA_GENMASK                       = 0x8
+	RTA_IFA                           = 0x20
+	RTA_IFP                           = 0x10
+	RTA_NETMASK                       = 0x4
+	RTA_TAG                           = 0x100
+	RTF_ANNOUNCE                      = 0x20000
+	RTF_BLACKHOLE                     = 0x1000
+	RTF_CLONED                        = 0x2000
+	RTF_CLONING                       = 0x100
+	RTF_DONE                          = 0x40
+	RTF_DYNAMIC                       = 0x10
+	RTF_GATEWAY                       = 0x2
+	RTF_HOST                          = 0x4
+	RTF_LLINFO                        = 0x400
+	RTF_MASK                          = 0x80
+	RTF_MODIFIED                      = 0x20
+	RTF_PROTO1                        = 0x8000
+	RTF_PROTO2                        = 0x4000
+	RTF_REJECT                        = 0x8
+	RTF_SRC                           = 0x10000
+	RTF_STATIC                        = 0x800
+	RTF_UP                            = 0x1
+	RTF_XRESOLVE                      = 0x200
+	RTM_ADD                           = 0x1
+	RTM_CHANGE                        = 0x3
+	RTM_CHGADDR                       = 0x15
+	RTM_DELADDR                       = 0xd
+	RTM_DELETE                        = 0x2
+	RTM_GET                           = 0x4
+	RTM_IEEE80211                     = 0x11
+	RTM_IFANNOUNCE                    = 0x10
+	RTM_IFINFO                        = 0x14
+	RTM_LLINFO_UPD                    = 0x13
+	RTM_LOCK                          = 0x8
+	RTM_LOSING                        = 0x5
+	RTM_MISS                          = 0x7
+	RTM_NEWADDR                       = 0xc
+	RTM_OIFINFO                       = 0xf
+	RTM_OLDADD                        = 0x9
+	RTM_OLDDEL                        = 0xa
+	RTM_OOIFINFO                      = 0xe
+	RTM_REDIRECT                      = 0x6
+	RTM_RESOLVE                       = 0xb
+	RTM_RTTUNIT                       = 0xf4240
+	RTM_SETGATE                       = 0x12
+	RTM_VERSION                       = 0x4
+	RTV_EXPIRE                        = 0x4
+	RTV_HOPCOUNT                      = 0x2
+	RTV_MTU                           = 0x1
+	RTV_RPIPE                         = 0x8
+	RTV_RTT                           = 0x40
+	RTV_RTTVAR                        = 0x80
+	RTV_SPIPE                         = 0x10
+	RTV_SSTHRESH                      = 0x20
+	RUSAGE_CHILDREN                   = -0x1
+	RUSAGE_SELF                       = 0x0
+	SCM_CREDS                         = 0x4
+	SCM_RIGHTS                        = 0x1
+	SCM_TIMESTAMP                     = 0x8
+	SHUT_RD                           = 0x0
+	SHUT_RDWR                         = 0x2
+	SHUT_WR                           = 0x1
+	SIOCADDMULTI                      = 0x80906931
+	SIOCADDRT                         = 0x8038720a
+	SIOCAIFADDR                       = 0x8040691a
+	SIOCALIFADDR                      = 0x8118691c
+	SIOCATMARK                        = 0x40047307
+	SIOCDELMULTI                      = 0x80906932
+	SIOCDELRT                         = 0x8038720b
+	SIOCDIFADDR                       = 0x80906919
+	SIOCDIFPHYADDR                    = 0x80906949
+	SIOCDLIFADDR                      = 0x8118691e
+	SIOCGDRVSPEC                      = 0xc028697b
+	SIOCGETPFSYNC                     = 0xc09069f8
+	SIOCGETSGCNT                      = 0xc0207534
+	SIOCGETVIFCNT                     = 0xc0287533
+	SIOCGHIWAT                        = 0x40047301
+	SIOCGIFADDR                       = 0xc0906921
+	SIOCGIFADDRPREF                   = 0xc0986920
+	SIOCGIFALIAS                      = 0xc040691b
+	SIOCGIFBRDADDR                    = 0xc0906923
+	SIOCGIFCAP                        = 0xc0206976
+	SIOCGIFCONF                       = 0xc0106926
+	SIOCGIFDATA                       = 0xc0986985
+	SIOCGIFDLT                        = 0xc0906977
+	SIOCGIFDSTADDR                    = 0xc0906922
+	SIOCGIFFLAGS                      = 0xc0906911
+	SIOCGIFGENERIC                    = 0xc090693a
+	SIOCGIFMEDIA                      = 0xc0306936
+	SIOCGIFMETRIC                     = 0xc0906917
+	SIOCGIFMTU                        = 0xc090697e
+	SIOCGIFNETMASK                    = 0xc0906925
+	SIOCGIFPDSTADDR                   = 0xc0906948
+	SIOCGIFPSRCADDR                   = 0xc0906947
+	SIOCGLIFADDR                      = 0xc118691d
+	SIOCGLIFPHYADDR                   = 0xc118694b
+	SIOCGLINKSTR                      = 0xc0286987
+	SIOCGLOWAT                        = 0x40047303
+	SIOCGPGRP                         = 0x40047309
+	SIOCGVH                           = 0xc0906983
+	SIOCIFCREATE                      = 0x8090697a
+	SIOCIFDESTROY                     = 0x80906979
+	SIOCIFGCLONERS                    = 0xc0106978
+	SIOCINITIFADDR                    = 0xc0706984
+	SIOCSDRVSPEC                      = 0x8028697b
+	SIOCSETPFSYNC                     = 0x809069f7
+	SIOCSHIWAT                        = 0x80047300
+	SIOCSIFADDR                       = 0x8090690c
+	SIOCSIFADDRPREF                   = 0x8098691f
+	SIOCSIFBRDADDR                    = 0x80906913
+	SIOCSIFCAP                        = 0x80206975
+	SIOCSIFDSTADDR                    = 0x8090690e
+	SIOCSIFFLAGS                      = 0x80906910
+	SIOCSIFGENERIC                    = 0x80906939
+	SIOCSIFMEDIA                      = 0xc0906935
+	SIOCSIFMETRIC                     = 0x80906918
+	SIOCSIFMTU                        = 0x8090697f
+	SIOCSIFNETMASK                    = 0x80906916
+	SIOCSIFPHYADDR                    = 0x80406946
+	SIOCSLIFPHYADDR                   = 0x8118694a
+	SIOCSLINKSTR                      = 0x80286988
+	SIOCSLOWAT                        = 0x80047302
+	SIOCSPGRP                         = 0x80047308
+	SIOCSVH                           = 0xc0906982
+	SIOCZIFDATA                       = 0xc0986986
+	SOCK_CLOEXEC                      = 0x10000000
+	SOCK_DGRAM                        = 0x2
+	SOCK_FLAGS_MASK                   = 0xf0000000
+	SOCK_NONBLOCK                     = 0x20000000
+	SOCK_NOSIGPIPE                    = 0x40000000
+	SOCK_RAW                          = 0x3
+	SOCK_RDM                          = 0x4
+	SOCK_SEQPACKET                    = 0x5
+	SOCK_STREAM                       = 0x1
+	SOL_SOCKET                        = 0xffff
+	SOMAXCONN                         = 0x80
+	SO_ACCEPTCONN                     = 0x2
+	SO_ACCEPTFILTER                   = 0x1000
+	SO_BROADCAST                      = 0x20
+	SO_DEBUG                          = 0x1
+	SO_DONTROUTE                      = 0x10
+	SO_ERROR                          = 0x1007
+	SO_KEEPALIVE                      = 0x8
+	SO_LINGER                         = 0x80
+	SO_NOHEADER                       = 0x100a
+	SO_NOSIGPIPE                      = 0x800
+	SO_OOBINLINE                      = 0x100
+	SO_OVERFLOWED                     = 0x1009
+	SO_RCVBUF                         = 0x1002
+	SO_RCVLOWAT                       = 0x1004
+	SO_RCVTIMEO                       = 0x100c
+	SO_REUSEADDR                      = 0x4
+	SO_REUSEPORT                      = 0x200
+	SO_SNDBUF                         = 0x1001
+	SO_SNDLOWAT                       = 0x1003
+	SO_SNDTIMEO                       = 0x100b
+	SO_TIMESTAMP                      = 0x2000
+	SO_TYPE                           = 0x1008
+	SO_USELOOPBACK                    = 0x40
+	SYSCTL_VERSION                    = 0x1000000
+	SYSCTL_VERS_0                     = 0x0
+	SYSCTL_VERS_1                     = 0x1000000
+	SYSCTL_VERS_MASK                  = 0xff000000
+	S_ARCH1                           = 0x10000
+	S_ARCH2                           = 0x20000
+	S_BLKSIZE                         = 0x200
+	S_IEXEC                           = 0x40
+	S_IFBLK                           = 0x6000
+	S_IFCHR                           = 0x2000
+	S_IFDIR                           = 0x4000
+	S_IFIFO                           = 0x1000
+	S_IFLNK                           = 0xa000
+	S_IFMT                            = 0xf000
+	S_IFREG                           = 0x8000
+	S_IFSOCK                          = 0xc000
+	S_IFWHT                           = 0xe000
+	S_IREAD                           = 0x100
+	S_IRGRP                           = 0x20
+	S_IROTH                           = 0x4
+	S_IRUSR                           = 0x100
+	S_IRWXG                           = 0x38
+	S_IRWXO                           = 0x7
+	S_IRWXU                           = 0x1c0
+	S_ISGID                           = 0x400
+	S_ISTXT                           = 0x200
+	S_ISUID                           = 0x800
+	S_ISVTX                           = 0x200
+	S_IWGRP                           = 0x10
+	S_IWOTH                           = 0x2
+	S_IWRITE                          = 0x80
+	S_IWUSR                           = 0x80
+	S_IXGRP                           = 0x8
+	S_IXOTH                           = 0x1
+	S_IXUSR                           = 0x40
+	S_LOGIN_SET                       = 0x1
+	TCIFLUSH                          = 0x1
+	TCIOFLUSH                         = 0x3
+	TCOFLUSH                          = 0x2
+	TCP_CONGCTL                       = 0x20
+	TCP_KEEPCNT                       = 0x6
+	TCP_KEEPIDLE                      = 0x3
+	TCP_KEEPINIT                      = 0x7
+	TCP_KEEPINTVL                     = 0x5
+	TCP_MAXBURST                      = 0x4
+	TCP_MAXSEG                        = 0x2
+	TCP_MAXWIN                        = 0xffff
+	TCP_MAX_WINSHIFT                  = 0xe
+	TCP_MD5SIG                        = 0x10
+	TCP_MINMSS                        = 0xd8
+	TCP_MSS                           = 0x218
+	TCP_NODELAY                       = 0x1
+	TCSAFLUSH                         = 0x2
+	TIOCCBRK                          = 0x2000747a
+	TIOCCDTR                          = 0x20007478
+	TIOCCONS                          = 0x80047462
+	TIOCDCDTIMESTAMP                  = 0x40107458
+	TIOCDRAIN                         = 0x2000745e
+	TIOCEXCL                          = 0x2000740d
+	TIOCEXT                           = 0x80047460
+	TIOCFLAG_CDTRCTS                  = 0x10
+	TIOCFLAG_CLOCAL                   = 0x2
+	TIOCFLAG_CRTSCTS                  = 0x4
+	TIOCFLAG_MDMBUF                   = 0x8
+	TIOCFLAG_SOFTCAR                  = 0x1
+	TIOCFLUSH                         = 0x80047410
+	TIOCGETA                          = 0x402c7413
+	TIOCGETD                          = 0x4004741a
+	TIOCGFLAGS                        = 0x4004745d
+	TIOCGLINED                        = 0x40207442
+	TIOCGPGRP                         = 0x40047477
+	TIOCGQSIZE                        = 0x40047481
+	TIOCGRANTPT                       = 0x20007447
+	TIOCGSID                          = 0x40047463
+	TIOCGSIZE                         = 0x40087468
+	TIOCGWINSZ                        = 0x40087468
+	TIOCMBIC                          = 0x8004746b
+	TIOCMBIS                          = 0x8004746c
+	TIOCMGET                          = 0x4004746a
+	TIOCMSET                          = 0x8004746d
+	TIOCM_CAR                         = 0x40
+	TIOCM_CD                          = 0x40
+	TIOCM_CTS                         = 0x20
+	TIOCM_DSR                         = 0x100
+	TIOCM_DTR                         = 0x2
+	TIOCM_LE                          = 0x1
+	TIOCM_RI                          = 0x80
+	TIOCM_RNG                         = 0x80
+	TIOCM_RTS                         = 0x4
+	TIOCM_SR                          = 0x10
+	TIOCM_ST                          = 0x8
+	TIOCNOTTY                         = 0x20007471
+	TIOCNXCL                          = 0x2000740e
+	TIOCOUTQ                          = 0x40047473
+	TIOCPKT                           = 0x80047470
+	TIOCPKT_DATA                      = 0x0
+	TIOCPKT_DOSTOP                    = 0x20
+	TIOCPKT_FLUSHREAD                 = 0x1
+	TIOCPKT_FLUSHWRITE                = 0x2
+	TIOCPKT_IOCTL                     = 0x40
+	TIOCPKT_NOSTOP                    = 0x10
+	TIOCPKT_START                     = 0x8
+	TIOCPKT_STOP                      = 0x4
+	TIOCPTMGET                        = 0x40287446
+	TIOCPTSNAME                       = 0x40287448
+	TIOCRCVFRAME                      = 0x80087445
+	TIOCREMOTE                        = 0x80047469
+	TIOCSBRK                          = 0x2000747b
+	TIOCSCTTY                         = 0x20007461
+	TIOCSDTR                          = 0x20007479
+	TIOCSETA                          = 0x802c7414
+	TIOCSETAF                         = 0x802c7416
+	TIOCSETAW                         = 0x802c7415
+	TIOCSETD                          = 0x8004741b
+	TIOCSFLAGS                        = 0x8004745c
+	TIOCSIG                           = 0x2000745f
+	TIOCSLINED                        = 0x80207443
+	TIOCSPGRP                         = 0x80047476
+	TIOCSQSIZE                        = 0x80047480
+	TIOCSSIZE                         = 0x80087467
+	TIOCSTART                         = 0x2000746e
+	TIOCSTAT                          = 0x80047465
+	TIOCSTI                           = 0x80017472
+	TIOCSTOP                          = 0x2000746f
+	TIOCSWINSZ                        = 0x80087467
+	TIOCUCNTL                         = 0x80047466
+	TIOCXMTFRAME                      = 0x80087444
+	TOSTOP                            = 0x400000
+	VDISCARD                          = 0xf
+	VDSUSP                            = 0xb
+	VEOF                              = 0x0
+	VEOL                              = 0x1
+	VEOL2                             = 0x2
+	VERASE                            = 0x3
+	VINTR                             = 0x8
+	VKILL                             = 0x5
+	VLNEXT                            = 0xe
+	VMIN                              = 0x10
+	VQUIT                             = 0x9
+	VREPRINT                          = 0x6
+	VSTART                            = 0xc
+	VSTATUS                           = 0x12
+	VSTOP                             = 0xd
+	VSUSP                             = 0xa
+	VTIME                             = 0x11
+	VWERASE                           = 0x4
+	WALL                              = 0x8
+	WALLSIG                           = 0x8
+	WALTSIG                           = 0x4
+	WCLONE                            = 0x4
+	WCOREFLAG                         = 0x80
+	WNOHANG                           = 0x1
+	WNOWAIT                           = 0x10000
+	WNOZOMBIE                         = 0x20000
+	WOPTSCHECKED                      = 0x40000
+	WSTOPPED                          = 0x7f
+	WUNTRACED                         = 0x2
+)
+
+// Errors
+const (
+	E2BIG           = syscall.Errno(0x7)
+	EACCES          = syscall.Errno(0xd)
+	EADDRINUSE      = syscall.Errno(0x30)
+	EADDRNOTAVAIL   = syscall.Errno(0x31)
+	EAFNOSUPPORT    = syscall.Errno(0x2f)
+	EAGAIN          = syscall.Errno(0x23)
+	EALREADY        = syscall.Errno(0x25)
+	EAUTH           = syscall.Errno(0x50)
+	EBADF           = syscall.Errno(0x9)
+	EBADMSG         = syscall.Errno(0x58)
+	EBADRPC         = syscall.Errno(0x48)
+	EBUSY           = syscall.Errno(0x10)
+	ECANCELED       = syscall.Errno(0x57)
+	ECHILD          = syscall.Errno(0xa)
+	ECONNABORTED    = syscall.Errno(0x35)
+	ECONNREFUSED    = syscall.Errno(0x3d)
+	ECONNRESET      = syscall.Errno(0x36)
+	EDEADLK         = syscall.Errno(0xb)
+	EDESTADDRREQ    = syscall.Errno(0x27)
+	EDOM            = syscall.Errno(0x21)
+	EDQUOT          = syscall.Errno(0x45)
+	EEXIST          = syscall.Errno(0x11)
+	EFAULT          = syscall.Errno(0xe)
+	EFBIG           = syscall.Errno(0x1b)
+	EFTYPE          = syscall.Errno(0x4f)
+	EHOSTDOWN       = syscall.Errno(0x40)
+	EHOSTUNREACH    = syscall.Errno(0x41)
+	EIDRM           = syscall.Errno(0x52)
+	EILSEQ          = syscall.Errno(0x55)
+	EINPROGRESS     = syscall.Errno(0x24)
+	EINTR           = syscall.Errno(0x4)
+	EINVAL          = syscall.Errno(0x16)
+	EIO             = syscall.Errno(0x5)
+	EISCONN         = syscall.Errno(0x38)
+	EISDIR          = syscall.Errno(0x15)
+	ELAST           = syscall.Errno(0x60)
+	ELOOP           = syscall.Errno(0x3e)
+	EMFILE          = syscall.Errno(0x18)
+	EMLINK          = syscall.Errno(0x1f)
+	EMSGSIZE        = syscall.Errno(0x28)
+	EMULTIHOP       = syscall.Errno(0x5e)
+	ENAMETOOLONG    = syscall.Errno(0x3f)
+	ENEEDAUTH       = syscall.Errno(0x51)
+	ENETDOWN        = syscall.Errno(0x32)
+	ENETRESET       = syscall.Errno(0x34)
+	ENETUNREACH     = syscall.Errno(0x33)
+	ENFILE          = syscall.Errno(0x17)
+	ENOATTR         = syscall.Errno(0x5d)
+	ENOBUFS         = syscall.Errno(0x37)
+	ENODATA         = syscall.Errno(0x59)
+	ENODEV          = syscall.Errno(0x13)
+	ENOENT          = syscall.Errno(0x2)
+	ENOEXEC         = syscall.Errno(0x8)
+	ENOLCK          = syscall.Errno(0x4d)
+	ENOLINK         = syscall.Errno(0x5f)
+	ENOMEM          = syscall.Errno(0xc)
+	ENOMSG          = syscall.Errno(0x53)
+	ENOPROTOOPT     = syscall.Errno(0x2a)
+	ENOSPC          = syscall.Errno(0x1c)
+	ENOSR           = syscall.Errno(0x5a)
+	ENOSTR          = syscall.Errno(0x5b)
+	ENOSYS          = syscall.Errno(0x4e)
+	ENOTBLK         = syscall.Errno(0xf)
+	ENOTCONN        = syscall.Errno(0x39)
+	ENOTDIR         = syscall.Errno(0x14)
+	ENOTEMPTY       = syscall.Errno(0x42)
+	ENOTSOCK        = syscall.Errno(0x26)
+	ENOTSUP         = syscall.Errno(0x56)
+	ENOTTY          = syscall.Errno(0x19)
+	ENXIO           = syscall.Errno(0x6)
+	EOPNOTSUPP      = syscall.Errno(0x2d)
+	EOVERFLOW       = syscall.Errno(0x54)
+	EPERM           = syscall.Errno(0x1)
+	EPFNOSUPPORT    = syscall.Errno(0x2e)
+	EPIPE           = syscall.Errno(0x20)
+	EPROCLIM        = syscall.Errno(0x43)
+	EPROCUNAVAIL    = syscall.Errno(0x4c)
+	EPROGMISMATCH   = syscall.Errno(0x4b)
+	EPROGUNAVAIL    = syscall.Errno(0x4a)
+	EPROTO          = syscall.Errno(0x60)
+	EPROTONOSUPPORT = syscall.Errno(0x2b)
+	EPROTOTYPE      = syscall.Errno(0x29)
+	ERANGE          = syscall.Errno(0x22)
+	EREMOTE         = syscall.Errno(0x47)
+	EROFS           = syscall.Errno(0x1e)
+	ERPCMISMATCH    = syscall.Errno(0x49)
+	ESHUTDOWN       = syscall.Errno(0x3a)
+	ESOCKTNOSUPPORT = syscall.Errno(0x2c)
+	ESPIPE          = syscall.Errno(0x1d)
+	ESRCH           = syscall.Errno(0x3)
+	ESTALE          = syscall.Errno(0x46)
+	ETIME           = syscall.Errno(0x5c)
+	ETIMEDOUT       = syscall.Errno(0x3c)
+	ETOOMANYREFS    = syscall.Errno(0x3b)
+	ETXTBSY         = syscall.Errno(0x1a)
+	EUSERS          = syscall.Errno(0x44)
+	EWOULDBLOCK     = syscall.Errno(0x23)
+	EXDEV           = syscall.Errno(0x12)
+)
+
+// Signals
+const (
+	SIGABRT   = syscall.Signal(0x6)
+	SIGALRM   = syscall.Signal(0xe)
+	SIGBUS    = syscall.Signal(0xa)
+	SIGCHLD   = syscall.Signal(0x14)
+	SIGCONT   = syscall.Signal(0x13)
+	SIGEMT    = syscall.Signal(0x7)
+	SIGFPE    = syscall.Signal(0x8)
+	SIGHUP    = syscall.Signal(0x1)
+	SIGILL    = syscall.Signal(0x4)
+	SIGINFO   = syscall.Signal(0x1d)
+	SIGINT    = syscall.Signal(0x2)
+	SIGIO     = syscall.Signal(0x17)
+	SIGIOT    = syscall.Signal(0x6)
+	SIGKILL   = syscall.Signal(0x9)
+	SIGPIPE   = syscall.Signal(0xd)
+	SIGPROF   = syscall.Signal(0x1b)
+	SIGPWR    = syscall.Signal(0x20)
+	SIGQUIT   = syscall.Signal(0x3)
+	SIGSEGV   = syscall.Signal(0xb)
+	SIGSTOP   = syscall.Signal(0x11)
+	SIGSYS    = syscall.Signal(0xc)
+	SIGTERM   = syscall.Signal(0xf)
+	SIGTRAP   = syscall.Signal(0x5)
+	SIGTSTP   = syscall.Signal(0x12)
+	SIGTTIN   = syscall.Signal(0x15)
+	SIGTTOU   = syscall.Signal(0x16)
+	SIGURG    = syscall.Signal(0x10)
+	SIGUSR1   = syscall.Signal(0x1e)
+	SIGUSR2   = syscall.Signal(0x1f)
+	SIGVTALRM = syscall.Signal(0x1a)
+	SIGWINCH  = syscall.Signal(0x1c)
+	SIGXCPU   = syscall.Signal(0x18)
+	SIGXFSZ   = syscall.Signal(0x19)
+)
+
+// Error table
+var errorList = [...]struct {
+	num  syscall.Errno
+	name string
+	desc string
+}{
+	{1, "EPERM", "operation not permitted"},
+	{2, "ENOENT", "no such file or directory"},
+	{3, "ESRCH", "no such process"},
+	{4, "EINTR", "interrupted system call"},
+	{5, "EIO", "input/output error"},
+	{6, "ENXIO", "device not configured"},
+	{7, "E2BIG", "argument list too long"},
+	{8, "ENOEXEC", "exec format error"},
+	{9, "EBADF", "bad file descriptor"},
+	{10, "ECHILD", "no child processes"},
+	{11, "EDEADLK", "resource deadlock avoided"},
+	{12, "ENOMEM", "cannot allocate memory"},
+	{13, "EACCES", "permission denied"},
+	{14, "EFAULT", "bad address"},
+	{15, "ENOTBLK", "block device required"},
+	{16, "EBUSY", "device busy"},
+	{17, "EEXIST", "file exists"},
+	{18, "EXDEV", "cross-device link"},
+	{19, "ENODEV", "operation not supported by device"},
+	{20, "ENOTDIR", "not a directory"},
+	{21, "EISDIR", "is a directory"},
+	{22, "EINVAL", "invalid argument"},
+	{23, "ENFILE", "too many open files in system"},
+	{24, "EMFILE", "too many open files"},
+	{25, "ENOTTY", "inappropriate ioctl for device"},
+	{26, "ETXTBSY", "text file busy"},
+	{27, "EFBIG", "file too large"},
+	{28, "ENOSPC", "no space left on device"},
+	{29, "ESPIPE", "illegal seek"},
+	{30, "EROFS", "read-only file system"},
+	{31, "EMLINK", "too many links"},
+	{32, "EPIPE", "broken pipe"},
+	{33, "EDOM", "numerical argument out of domain"},
+	{34, "ERANGE", "result too large or too small"},
+	{35, "EAGAIN", "resource temporarily unavailable"},
+	{36, "EINPROGRESS", "operation now in progress"},
+	{37, "EALREADY", "operation already in progress"},
+	{38, "ENOTSOCK", "socket operation on non-socket"},
+	{39, "EDESTADDRREQ", "destination address required"},
+	{40, "EMSGSIZE", "message too long"},
+	{41, "EPROTOTYPE", "protocol wrong type for socket"},
+	{42, "ENOPROTOOPT", "protocol option not available"},
+	{43, "EPROTONOSUPPORT", "protocol not supported"},
+	{44, "ESOCKTNOSUPPORT", "socket type not supported"},
+	{45, "EOPNOTSUPP", "operation not supported"},
+	{46, "EPFNOSUPPORT", "protocol family not supported"},
+	{47, "EAFNOSUPPORT", "address family not supported by protocol family"},
+	{48, "EADDRINUSE", "address already in use"},
+	{49, "EADDRNOTAVAIL", "can't assign requested address"},
+	{50, "ENETDOWN", "network is down"},
+	{51, "ENETUNREACH", "network is unreachable"},
+	{52, "ENETRESET", "network dropped connection on reset"},
+	{53, "ECONNABORTED", "software caused connection abort"},
+	{54, "ECONNRESET", "connection reset by peer"},
+	{55, "ENOBUFS", "no buffer space available"},
+	{56, "EISCONN", "socket is already connected"},
+	{57, "ENOTCONN", "socket is not connected"},
+	{58, "ESHUTDOWN", "can't send after socket shutdown"},
+	{59, "ETOOMANYREFS", "too many references: can't splice"},
+	{60, "ETIMEDOUT", "connection timed out"},
+	{61, "ECONNREFUSED", "connection refused"},
+	{62, "ELOOP", "too many levels of symbolic links"},
+	{63, "ENAMETOOLONG", "file name too long"},
+	{64, "EHOSTDOWN", "host is down"},
+	{65, "EHOSTUNREACH", "no route to host"},
+	{66, "ENOTEMPTY", "directory not empty"},
+	{67, "EPROCLIM", "too many processes"},
+	{68, "EUSERS", "too many users"},
+	{69, "EDQUOT", "disc quota exceeded"},
+	{70, "ESTALE", "stale NFS file handle"},
+	{71, "EREMOTE", "too many levels of remote in path"},
+	{72, "EBADRPC", "RPC struct is bad"},
+	{73, "ERPCMISMATCH", "RPC version wrong"},
+	{74, "EPROGUNAVAIL", "RPC prog. not avail"},
+	{75, "EPROGMISMATCH", "program version wrong"},
+	{76, "EPROCUNAVAIL", "bad procedure for program"},
+	{77, "ENOLCK", "no locks available"},
+	{78, "ENOSYS", "function not implemented"},
+	{79, "EFTYPE", "inappropriate file type or format"},
+	{80, "EAUTH", "authentication error"},
+	{81, "ENEEDAUTH", "need authenticator"},
+	{82, "EIDRM", "identifier removed"},
+	{83, "ENOMSG", "no message of desired type"},
+	{84, "EOVERFLOW", "value too large to be stored in data type"},
+	{85, "EILSEQ", "illegal byte sequence"},
+	{86, "ENOTSUP", "not supported"},
+	{87, "ECANCELED", "operation Canceled"},
+	{88, "EBADMSG", "bad or Corrupt message"},
+	{89, "ENODATA", "no message available"},
+	{90, "ENOSR", "no STREAM resources"},
+	{91, "ENOSTR", "not a STREAM"},
+	{92, "ETIME", "STREAM ioctl timeout"},
+	{93, "ENOATTR", "attribute not found"},
+	{94, "EMULTIHOP", "multihop attempted"},
+	{95, "ENOLINK", "link has been severed"},
+	{96, "ELAST", "protocol error"},
+}
+
+// Signal table
+var signalList = [...]struct {
+	num  syscall.Signal
+	name string
+	desc string
+}{
+	{1, "SIGHUP", "hangup"},
+	{2, "SIGINT", "interrupt"},
+	{3, "SIGQUIT", "quit"},
+	{4, "SIGILL", "illegal instruction"},
+	{5, "SIGTRAP", "trace/BPT trap"},
+	{6, "SIGIOT", "abort trap"},
+	{7, "SIGEMT", "EMT trap"},
+	{8, "SIGFPE", "floating point exception"},
+	{9, "SIGKILL", "killed"},
+	{10, "SIGBUS", "bus error"},
+	{11, "SIGSEGV", "segmentation fault"},
+	{12, "SIGSYS", "bad system call"},
+	{13, "SIGPIPE", "broken pipe"},
+	{14, "SIGALRM", "alarm clock"},
+	{15, "SIGTERM", "terminated"},
+	{16, "SIGURG", "urgent I/O condition"},
+	{17, "SIGSTOP", "stopped (signal)"},
+	{18, "SIGTSTP", "stopped"},
+	{19, "SIGCONT", "continued"},
+	{20, "SIGCHLD", "child exited"},
+	{21, "SIGTTIN", "stopped (tty input)"},
+	{22, "SIGTTOU", "stopped (tty output)"},
+	{23, "SIGIO", "I/O possible"},
+	{24, "SIGXCPU", "cputime limit exceeded"},
+	{25, "SIGXFSZ", "filesize limit exceeded"},
+	{26, "SIGVTALRM", "virtual timer expired"},
+	{27, "SIGPROF", "profiling timer expired"},
+	{28, "SIGWINCH", "window size changes"},
+	{29, "SIGINFO", "information request"},
+	{30, "SIGUSR1", "user defined signal 1"},
+	{31, "SIGUSR2", "user defined signal 2"},
+	{32, "SIGPWR", "power fail/restart"},
+}
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64.go b/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64.go
index 3e929e5..e645a05 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64.go
@@ -1,4 +1,4 @@
-// mksyscall_aix_ppc64.pl -aix -tags aix,ppc64 syscall_aix.go syscall_aix_ppc64.go
+// go run mksyscall_aix_ppc64.go -aix -tags aix,ppc64 syscall_aix.go syscall_aix_ppc64.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build aix,ppc64
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64_gc.go b/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64_gc.go
index a185ee8..0b8eb72 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64_gc.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64_gc.go
@@ -1,4 +1,4 @@
-// mksyscall_aix_ppc64.pl -aix -tags aix,ppc64 syscall_aix.go syscall_aix_ppc64.go
+// go run mksyscall_aix_ppc64.go -aix -tags aix,ppc64 syscall_aix.go syscall_aix_ppc64.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build aix,ppc64
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64_gccgo.go b/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64_gccgo.go
index aef7c0e..e88a442 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64_gccgo.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64_gccgo.go
@@ -1,4 +1,4 @@
-// mksyscall_aix_ppc64.pl -aix -tags aix,ppc64 syscall_aix.go syscall_aix_ppc64.go
+// go run mksyscall_aix_ppc64.go -aix -tags aix,ppc64 syscall_aix.go syscall_aix_ppc64.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build aix,ppc64
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.go b/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.go
index b50178d..c142e33 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.go
@@ -943,6 +943,21 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ClockGettime(clockid int32, time *Timespec) (err error) {
+	_, _, e1 := syscall_syscall(funcPC(libc_clock_gettime_trampoline), uintptr(clockid), uintptr(unsafe.Pointer(time)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func libc_clock_gettime_trampoline()
+
+//go:linkname libc_clock_gettime libc_clock_gettime
+//go:cgo_import_dynamic libc_clock_gettime clock_gettime "/usr/lib/libSystem.B.dylib"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Close(fd int) (err error) {
 	_, _, e1 := syscall_syscall(funcPC(libc_close_trampoline), uintptr(fd), 0, 0)
 	if e1 != 0 {
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.s b/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.s
index da9b900..1a39151 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.s
+++ b/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.s
@@ -108,6 +108,8 @@
 	JMP	libc_chown(SB)
 TEXT ·libc_chroot_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_chroot(SB)
+TEXT ·libc_clock_gettime_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_clock_gettime(SB)
 TEXT ·libc_close_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_close(SB)
 TEXT ·libc_dup_trampoline(SB),NOSPLIT,$0-0
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_dragonfly_amd64.go b/vendor/golang.org/x/sys/unix/zsyscall_dragonfly_amd64.go
index da9986d..ae9f1a2 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_dragonfly_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_dragonfly_amd64.go
@@ -1194,6 +1194,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Renameat(fromfd int, from string, tofd int, to string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(from)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(to)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(fromfd), uintptr(unsafe.Pointer(_p0)), uintptr(tofd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Revoke(path string) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_386.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_386.go
index 818fdb0..c8b4510 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_386.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_386.go
@@ -1205,26 +1205,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(oldpath)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(newpath)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(oldpath)
@@ -1380,6 +1360,13 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -1911,6 +1898,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(oldpath)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(newpath)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
 	r0, _, e1 := Syscall6(SYS_SENDFILE64, uintptr(outfd), uintptr(infd), uintptr(unsafe.Pointer(offset)), uintptr(count), 0, 0)
 	written = int(r0)
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_amd64.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_amd64.go
index 486bb2b..2aac318 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_amd64.go
@@ -1205,26 +1205,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(oldpath)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(newpath)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(oldpath)
@@ -1380,6 +1360,13 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -1916,6 +1903,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(oldpath)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(newpath)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Seek(fd int, offset int64, whence int) (off int64, err error) {
 	r0, _, e1 := Syscall(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(whence))
 	off = int64(r0)
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_arm.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_arm.go
index f957388..13c06c2 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_arm.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_arm.go
@@ -1205,26 +1205,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(oldpath)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(newpath)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(oldpath)
@@ -1380,6 +1360,13 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -2026,6 +2013,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(oldpath)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(newpath)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
 	r0, _, e1 := Syscall6(SYS_SENDFILE64, uintptr(outfd), uintptr(infd), uintptr(unsafe.Pointer(offset)), uintptr(count), 0, 0)
 	written = int(r0)
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_arm64.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_arm64.go
index b2294fe..737fa8d 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_arm64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_arm64.go
@@ -1205,26 +1205,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(oldpath)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(newpath)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(oldpath)
@@ -1380,6 +1360,13 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -1839,6 +1826,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(oldpath)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(newpath)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Seek(fd int, offset int64, whence int) (off int64, err error) {
 	r0, _, e1 := Syscall(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(whence))
 	off = int64(r0)
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_mips.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_mips.go
index dba87b8..0a85f3f 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_mips.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_mips.go
@@ -1205,26 +1205,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(oldpath)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(newpath)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(oldpath)
@@ -1380,6 +1360,13 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -1830,6 +1817,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(oldpath)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(newpath)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
 	r0, _, e1 := Syscall6(SYS__NEWSELECT, uintptr(nfd), uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), 0)
 	n = int(r0)
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64.go
index c4ea405..ec7007e 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64.go
@@ -1205,26 +1205,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(oldpath)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(newpath)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(oldpath)
@@ -1380,6 +1360,13 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -1860,6 +1847,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(oldpath)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(newpath)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Seek(fd int, offset int64, whence int) (off int64, err error) {
 	r0, _, e1 := Syscall(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(whence))
 	off = int64(r0)
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64le.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64le.go
index e1be6c8..c5bb25d 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64le.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64le.go
@@ -1205,26 +1205,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(oldpath)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(newpath)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(oldpath)
@@ -1380,6 +1360,13 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -1860,6 +1847,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(oldpath)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(newpath)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Seek(fd int, offset int64, whence int) (off int64, err error) {
 	r0, _, e1 := Syscall(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(whence))
 	off = int64(r0)
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_mipsle.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_mipsle.go
index 8067b94..26ada04 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_mipsle.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_mipsle.go
@@ -1205,26 +1205,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(oldpath)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(newpath)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(oldpath)
@@ -1380,6 +1360,13 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -1830,6 +1817,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(oldpath)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(newpath)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
 	r0, _, e1 := Syscall6(SYS__NEWSELECT, uintptr(nfd), uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), 0)
 	n = int(r0)
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64.go
index b118aaa..2da9cb7 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64.go
@@ -1205,26 +1205,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(oldpath)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(newpath)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(oldpath)
@@ -1380,6 +1360,13 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -1931,6 +1918,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(oldpath)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(newpath)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Seek(fd int, offset int64, whence int) (off int64, err error) {
 	r0, _, e1 := Syscall(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(whence))
 	off = int64(r0)
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64le.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64le.go
index 2c300f9..772733d 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64le.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64le.go
@@ -1205,26 +1205,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(oldpath)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(newpath)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(oldpath)
@@ -1380,6 +1360,13 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -1931,6 +1918,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(oldpath)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(newpath)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Seek(fd int, offset int64, whence int) (off int64, err error) {
 	r0, _, e1 := Syscall(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(whence))
 	off = int64(r0)
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_riscv64.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_riscv64.go
index 9b58c68..996eba5 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_riscv64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_riscv64.go
@@ -1205,26 +1205,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(oldpath)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(newpath)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(oldpath)
@@ -1380,6 +1360,13 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_s390x.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_s390x.go
index b491844..cb9072a 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_s390x.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_s390x.go
@@ -1205,26 +1205,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(oldpath)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(newpath)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(oldpath)
@@ -1380,6 +1360,13 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -1901,6 +1888,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(oldpath)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(newpath)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Seek(fd int, offset int64, whence int) (off int64, err error) {
 	r0, _, e1 := Syscall(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(whence))
 	off = int64(r0)
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_sparc64.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_sparc64.go
index a9fe23f..5e48a10 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_sparc64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_sparc64.go
@@ -1205,26 +1205,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(oldpath)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(newpath)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Renameat2(olddirfd int, oldpath string, newdirfd int, newpath string, flags uint) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(oldpath)
@@ -1380,6 +1360,13 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -1900,6 +1887,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(oldpath)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(newpath)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(olddirfd), uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Seek(fd int, offset int64, whence int) (off int64, err error) {
 	r0, _, e1 := Syscall(SYS_LSEEK, uintptr(fd), uintptr(offset), uintptr(whence))
 	off = int64(r0)
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_netbsd_arm64.go b/vendor/golang.org/x/sys/unix/zsyscall_netbsd_arm64.go
new file mode 100644
index 0000000..603d144
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/zsyscall_netbsd_arm64.go
@@ -0,0 +1,1826 @@
+// go run mksyscall.go -netbsd -tags netbsd,arm64 syscall_bsd.go syscall_netbsd.go syscall_netbsd_arm64.go
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build netbsd,arm64
+
+package unix
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+var _ syscall.Errno
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getgroups(ngid int, gid *_Gid_t) (n int, err error) {
+	r0, _, e1 := RawSyscall(SYS_GETGROUPS, uintptr(ngid), uintptr(unsafe.Pointer(gid)), 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func setgroups(ngid int, gid *_Gid_t) (err error) {
+	_, _, e1 := RawSyscall(SYS_SETGROUPS, uintptr(ngid), uintptr(unsafe.Pointer(gid)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, err error) {
+	r0, _, e1 := Syscall6(SYS_WAIT4, uintptr(pid), uintptr(unsafe.Pointer(wstatus)), uintptr(options), uintptr(unsafe.Pointer(rusage)), 0, 0)
+	wpid = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) {
+	_, _, e1 := Syscall(SYS_BIND, uintptr(s), uintptr(addr), uintptr(addrlen))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) {
+	_, _, e1 := Syscall(SYS_CONNECT, uintptr(s), uintptr(addr), uintptr(addrlen))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func socket(domain int, typ int, proto int) (fd int, err error) {
+	r0, _, e1 := RawSyscall(SYS_SOCKET, uintptr(domain), uintptr(typ), uintptr(proto))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) {
+	_, _, e1 := Syscall6(SYS_GETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(unsafe.Pointer(vallen)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) {
+	_, _, e1 := Syscall6(SYS_SETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(vallen), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) {
+	_, _, e1 := RawSyscall(SYS_GETPEERNAME, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) {
+	_, _, e1 := RawSyscall(SYS_GETSOCKNAME, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Shutdown(s int, how int) (err error) {
+	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(s), uintptr(how), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) {
+	_, _, e1 := RawSyscall6(SYS_SOCKETPAIR, uintptr(domain), uintptr(typ), uintptr(proto), uintptr(unsafe.Pointer(fd)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_RECVFROM, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(flags), uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(fromlen)))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	_, _, e1 := Syscall6(SYS_SENDTO, uintptr(s), uintptr(_p0), uintptr(len(buf)), uintptr(flags), uintptr(to), uintptr(addrlen))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
+	r0, _, e1 := Syscall(SYS_RECVMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
+	r0, _, e1 := Syscall(SYS_SENDMSG, uintptr(s), uintptr(unsafe.Pointer(msg)), uintptr(flags))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func kevent(kq int, change unsafe.Pointer, nchange int, event unsafe.Pointer, nevent int, timeout *Timespec) (n int, err error) {
+	r0, _, e1 := Syscall6(SYS_KEVENT, uintptr(kq), uintptr(change), uintptr(nchange), uintptr(event), uintptr(nevent), uintptr(unsafe.Pointer(timeout)))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) {
+	var _p0 unsafe.Pointer
+	if len(mib) > 0 {
+		_p0 = unsafe.Pointer(&mib[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	_, _, e1 := Syscall6(SYS___SYSCTL, uintptr(_p0), uintptr(len(mib)), uintptr(unsafe.Pointer(old)), uintptr(unsafe.Pointer(oldlen)), uintptr(unsafe.Pointer(new)), uintptr(newlen))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func utimes(path string, timeval *[2]Timeval) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(timeval)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func futimes(fd int, timeval *[2]Timeval) (err error) {
+	_, _, e1 := Syscall(SYS_FUTIMES, uintptr(fd), uintptr(unsafe.Pointer(timeval)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func fcntl(fd int, cmd int, arg int) (val int, err error) {
+	r0, _, e1 := Syscall(SYS_FCNTL, uintptr(fd), uintptr(cmd), uintptr(arg))
+	val = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func poll(fds *PollFd, nfds int, timeout int) (n int, err error) {
+	r0, _, e1 := Syscall(SYS_POLL, uintptr(unsafe.Pointer(fds)), uintptr(nfds), uintptr(timeout))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Madvise(b []byte, behav int) (err error) {
+	var _p0 unsafe.Pointer
+	if len(b) > 0 {
+		_p0 = unsafe.Pointer(&b[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	_, _, e1 := Syscall(SYS_MADVISE, uintptr(_p0), uintptr(len(b)), uintptr(behav))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Mlock(b []byte) (err error) {
+	var _p0 unsafe.Pointer
+	if len(b) > 0 {
+		_p0 = unsafe.Pointer(&b[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	_, _, e1 := Syscall(SYS_MLOCK, uintptr(_p0), uintptr(len(b)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Mlockall(flags int) (err error) {
+	_, _, e1 := Syscall(SYS_MLOCKALL, uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Mprotect(b []byte, prot int) (err error) {
+	var _p0 unsafe.Pointer
+	if len(b) > 0 {
+		_p0 = unsafe.Pointer(&b[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	_, _, e1 := Syscall(SYS_MPROTECT, uintptr(_p0), uintptr(len(b)), uintptr(prot))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Msync(b []byte, flags int) (err error) {
+	var _p0 unsafe.Pointer
+	if len(b) > 0 {
+		_p0 = unsafe.Pointer(&b[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	_, _, e1 := Syscall(SYS_MSYNC, uintptr(_p0), uintptr(len(b)), uintptr(flags))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Munlock(b []byte) (err error) {
+	var _p0 unsafe.Pointer
+	if len(b) > 0 {
+		_p0 = unsafe.Pointer(&b[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	_, _, e1 := Syscall(SYS_MUNLOCK, uintptr(_p0), uintptr(len(b)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Munlockall() (err error) {
+	_, _, e1 := Syscall(SYS_MUNLOCKALL, 0, 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func pipe() (fd1 int, fd2 int, err error) {
+	r0, r1, e1 := RawSyscall(SYS_PIPE, 0, 0, 0)
+	fd1 = int(r0)
+	fd2 = int(r1)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func getdents(fd int, buf []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_GETDENTS, uintptr(fd), uintptr(_p0), uintptr(len(buf)))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getcwd(buf []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(buf) > 0 {
+		_p0 = unsafe.Pointer(&buf[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS___GETCWD, uintptr(_p0), uintptr(len(buf)), 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func ioctl(fd int, req uint, arg uintptr) (err error) {
+	_, _, e1 := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(arg))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Access(path string, mode uint32) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_ACCESS, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Adjtime(delta *Timeval, olddelta *Timeval) (err error) {
+	_, _, e1 := Syscall(SYS_ADJTIME, uintptr(unsafe.Pointer(delta)), uintptr(unsafe.Pointer(olddelta)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Chdir(path string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Chflags(path string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_CHFLAGS, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Chmod(path string, mode uint32) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_CHMOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Chown(path string, uid int, gid int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Chroot(path string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_CHROOT, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Close(fd int) (err error) {
+	_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Dup(fd int) (nfd int, err error) {
+	r0, _, e1 := Syscall(SYS_DUP, uintptr(fd), 0, 0)
+	nfd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Dup2(from int, to int) (err error) {
+	_, _, e1 := Syscall(SYS_DUP2, uintptr(from), uintptr(to), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Exit(code int) {
+	Syscall(SYS_EXIT, uintptr(code), 0, 0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func ExtattrGetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(attrname)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall6(SYS_EXTATTR_GET_FD, uintptr(fd), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p0)), uintptr(data), uintptr(nbytes), 0)
+	ret = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func ExtattrSetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(attrname)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall6(SYS_EXTATTR_SET_FD, uintptr(fd), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p0)), uintptr(data), uintptr(nbytes), 0)
+	ret = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func ExtattrDeleteFd(fd int, attrnamespace int, attrname string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(attrname)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_EXTATTR_DELETE_FD, uintptr(fd), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p0)))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func ExtattrListFd(fd int, attrnamespace int, data uintptr, nbytes int) (ret int, err error) {
+	r0, _, e1 := Syscall6(SYS_EXTATTR_LIST_FD, uintptr(fd), uintptr(attrnamespace), uintptr(data), uintptr(nbytes), 0, 0)
+	ret = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func ExtattrGetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(file)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(attrname)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall6(SYS_EXTATTR_GET_FILE, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)), uintptr(data), uintptr(nbytes), 0)
+	ret = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func ExtattrSetFile(file string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(file)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(attrname)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall6(SYS_EXTATTR_SET_FILE, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)), uintptr(data), uintptr(nbytes), 0)
+	ret = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func ExtattrDeleteFile(file string, attrnamespace int, attrname string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(file)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(attrname)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_EXTATTR_DELETE_FILE, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func ExtattrListFile(file string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(file)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall6(SYS_EXTATTR_LIST_FILE, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(data), uintptr(nbytes), 0, 0)
+	ret = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func ExtattrGetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(link)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(attrname)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall6(SYS_EXTATTR_GET_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)), uintptr(data), uintptr(nbytes), 0)
+	ret = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func ExtattrSetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(link)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(attrname)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall6(SYS_EXTATTR_SET_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)), uintptr(data), uintptr(nbytes), 0)
+	ret = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func ExtattrDeleteLink(link string, attrnamespace int, attrname string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(link)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(attrname)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_EXTATTR_DELETE_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(unsafe.Pointer(_p1)))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (ret int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(link)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall6(SYS_EXTATTR_LIST_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(attrnamespace), uintptr(data), uintptr(nbytes), 0, 0)
+	ret = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FACCESSAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fadvise(fd int, offset int64, length int64, advice int) (err error) {
+	_, _, e1 := Syscall6(SYS_POSIX_FADVISE, uintptr(fd), 0, uintptr(offset), 0, uintptr(length), uintptr(advice))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fchdir(fd int) (err error) {
+	_, _, e1 := Syscall(SYS_FCHDIR, uintptr(fd), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fchflags(fd int, flags int) (err error) {
+	_, _, e1 := Syscall(SYS_FCHFLAGS, uintptr(fd), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fchmod(fd int, mode uint32) (err error) {
+	_, _, e1 := Syscall(SYS_FCHMOD, uintptr(fd), uintptr(mode), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fchown(fd int, uid int, gid int) (err error) {
+	_, _, e1 := Syscall(SYS_FCHOWN, uintptr(fd), uintptr(uid), uintptr(gid))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FCHOWNAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Flock(fd int, how int) (err error) {
+	_, _, e1 := Syscall(SYS_FLOCK, uintptr(fd), uintptr(how), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fpathconf(fd int, name int) (val int, err error) {
+	r0, _, e1 := Syscall(SYS_FPATHCONF, uintptr(fd), uintptr(name), 0)
+	val = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fstat(fd int, stat *Stat_t) (err error) {
+	_, _, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(unsafe.Pointer(stat)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FSTATAT, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Fsync(fd int) (err error) {
+	_, _, e1 := Syscall(SYS_FSYNC, uintptr(fd), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Ftruncate(fd int, length int64) (err error) {
+	_, _, e1 := Syscall(SYS_FTRUNCATE, uintptr(fd), 0, uintptr(length))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getegid() (egid int) {
+	r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
+	egid = int(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Geteuid() (uid int) {
+	r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
+	uid = int(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getgid() (gid int) {
+	r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
+	gid = int(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getpgid(pid int) (pgid int, err error) {
+	r0, _, e1 := RawSyscall(SYS_GETPGID, uintptr(pid), 0, 0)
+	pgid = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getpgrp() (pgrp int) {
+	r0, _, _ := RawSyscall(SYS_GETPGRP, 0, 0, 0)
+	pgrp = int(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getpid() (pid int) {
+	r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
+	pid = int(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getppid() (ppid int) {
+	r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
+	ppid = int(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getpriority(which int, who int) (prio int, err error) {
+	r0, _, e1 := Syscall(SYS_GETPRIORITY, uintptr(which), uintptr(who), 0)
+	prio = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getrlimit(which int, lim *Rlimit) (err error) {
+	_, _, e1 := RawSyscall(SYS_GETRLIMIT, uintptr(which), uintptr(unsafe.Pointer(lim)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getrusage(who int, rusage *Rusage) (err error) {
+	_, _, e1 := RawSyscall(SYS_GETRUSAGE, uintptr(who), uintptr(unsafe.Pointer(rusage)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getsid(pid int) (sid int, err error) {
+	r0, _, e1 := RawSyscall(SYS_GETSID, uintptr(pid), 0, 0)
+	sid = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Gettimeofday(tv *Timeval) (err error) {
+	_, _, e1 := RawSyscall(SYS_GETTIMEOFDAY, uintptr(unsafe.Pointer(tv)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Getuid() (uid int) {
+	r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
+	uid = int(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Issetugid() (tainted bool) {
+	r0, _, _ := Syscall(SYS_ISSETUGID, 0, 0, 0)
+	tainted = bool(r0 != 0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Kill(pid int, signum syscall.Signal) (err error) {
+	_, _, e1 := Syscall(SYS_KILL, uintptr(pid), uintptr(signum), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Kqueue() (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_KQUEUE, 0, 0, 0)
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Lchown(path string, uid int, gid int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Link(path string, link string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(link)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_LINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(link)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_LINKAT, uintptr(pathfd), uintptr(unsafe.Pointer(_p0)), uintptr(linkfd), uintptr(unsafe.Pointer(_p1)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Listen(s int, backlog int) (err error) {
+	_, _, e1 := Syscall(SYS_LISTEN, uintptr(s), uintptr(backlog), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Lstat(path string, stat *Stat_t) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Mkdir(path string, mode uint32) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_MKDIR, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Mkdirat(dirfd int, path string, mode uint32) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_MKDIRAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Mkfifo(path string, mode uint32) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_MKFIFO, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Mkfifoat(dirfd int, path string, mode uint32) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_MKFIFOAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Mknod(path string, mode uint32, dev int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_MKNOD, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Mknodat(dirfd int, path string, mode uint32, dev int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_MKNODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(dev), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Nanosleep(time *Timespec, leftover *Timespec) (err error) {
+	_, _, e1 := Syscall(SYS_NANOSLEEP, uintptr(unsafe.Pointer(time)), uintptr(unsafe.Pointer(leftover)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Open(path string, mode int, perm uint32) (fd int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall6(SYS_OPENAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm), 0, 0)
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Pathconf(path string, name int) (val int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall(SYS_PATHCONF, uintptr(unsafe.Pointer(_p0)), uintptr(name), 0)
+	val = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Pread(fd int, p []byte, offset int64) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), 0, uintptr(offset), 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), 0, uintptr(offset), 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func read(fd int, p []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(_p0), uintptr(len(p)))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Readlink(path string, buf []byte) (n int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 unsafe.Pointer
+	if len(buf) > 0 {
+		_p1 = unsafe.Pointer(&buf[0])
+	} else {
+		_p1 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_READLINK, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 unsafe.Pointer
+	if len(buf) > 0 {
+		_p1 = unsafe.Pointer(&buf[0])
+	} else {
+		_p1 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_READLINKAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)), 0, 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Rename(from string, to string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(from)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(to)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_RENAME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Renameat(fromfd int, from string, tofd int, to string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(from)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(to)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(fromfd), uintptr(unsafe.Pointer(_p0)), uintptr(tofd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Revoke(path string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_REVOKE, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Rmdir(path string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_RMDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
+	r0, _, e1 := Syscall6(SYS_LSEEK, uintptr(fd), 0, uintptr(offset), uintptr(whence), 0, 0)
+	newoffset = int64(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) {
+	_, _, e1 := Syscall6(SYS_SELECT, uintptr(n), uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Setegid(egid int) (err error) {
+	_, _, e1 := RawSyscall(SYS_SETEGID, uintptr(egid), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Seteuid(euid int) (err error) {
+	_, _, e1 := RawSyscall(SYS_SETEUID, uintptr(euid), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Setgid(gid int) (err error) {
+	_, _, e1 := RawSyscall(SYS_SETGID, uintptr(gid), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Setpgid(pid int, pgid int) (err error) {
+	_, _, e1 := RawSyscall(SYS_SETPGID, uintptr(pid), uintptr(pgid), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Setpriority(which int, who int, prio int) (err error) {
+	_, _, e1 := Syscall(SYS_SETPRIORITY, uintptr(which), uintptr(who), uintptr(prio))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Setregid(rgid int, egid int) (err error) {
+	_, _, e1 := RawSyscall(SYS_SETREGID, uintptr(rgid), uintptr(egid), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Setreuid(ruid int, euid int) (err error) {
+	_, _, e1 := RawSyscall(SYS_SETREUID, uintptr(ruid), uintptr(euid), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Setrlimit(which int, lim *Rlimit) (err error) {
+	_, _, e1 := RawSyscall(SYS_SETRLIMIT, uintptr(which), uintptr(unsafe.Pointer(lim)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Setsid() (pid int, err error) {
+	r0, _, e1 := RawSyscall(SYS_SETSID, 0, 0, 0)
+	pid = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Settimeofday(tp *Timeval) (err error) {
+	_, _, e1 := RawSyscall(SYS_SETTIMEOFDAY, uintptr(unsafe.Pointer(tp)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Setuid(uid int) (err error) {
+	_, _, e1 := RawSyscall(SYS_SETUID, uintptr(uid), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Stat(path string, stat *Stat_t) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Symlink(path string, link string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(link)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_SYMLINK, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(oldpath)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(newpath)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_SYMLINKAT, uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Sync() (err error) {
+	_, _, e1 := Syscall(SYS_SYNC, 0, 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Truncate(path string, length int64) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_TRUNCATE, uintptr(unsafe.Pointer(_p0)), 0, uintptr(length))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Umask(newmask int) (oldmask int) {
+	r0, _, _ := Syscall(SYS_UMASK, uintptr(newmask), 0, 0)
+	oldmask = int(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Unlink(path string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_UNLINK, uintptr(unsafe.Pointer(_p0)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Unlinkat(dirfd int, path string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_UNLINKAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Unmount(path string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func write(fd int, p []byte) (n int, err error) {
+	var _p0 unsafe.Pointer
+	if len(p) > 0 {
+		_p0 = unsafe.Pointer(&p[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) {
+	r0, _, e1 := Syscall9(SYS_MMAP, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flag), uintptr(fd), 0, uintptr(pos), 0, 0)
+	ret = uintptr(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func munmap(addr uintptr, length uintptr) (err error) {
+	_, _, e1 := Syscall(SYS_MUNMAP, uintptr(addr), uintptr(length), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func readlen(fd int, buf *byte, nbuf int) (n int, err error) {
+	r0, _, e1 := Syscall(SYS_READ, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func writelen(fd int, buf *byte, nbuf int) (n int, err error) {
+	r0, _, e1 := Syscall(SYS_WRITE, uintptr(fd), uintptr(unsafe.Pointer(buf)), uintptr(nbuf))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_UTIMENSAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(times)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
diff --git a/vendor/golang.org/x/sys/unix/zsyscall_solaris_amd64.go b/vendor/golang.org/x/sys/unix/zsyscall_solaris_amd64.go
index 97b22a4..5f61476 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_solaris_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_solaris_amd64.go
@@ -1,4 +1,4 @@
-// mksyscall_solaris.pl -tags solaris,amd64 syscall_solaris.go syscall_solaris_amd64.go
+// go run mksyscall_solaris.go -tags solaris,amd64 syscall_solaris.go syscall_solaris_amd64.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build solaris,amd64
diff --git a/vendor/golang.org/x/sys/unix/zsysnum_darwin_amd64.go b/vendor/golang.org/x/sys/unix/zsysnum_darwin_amd64.go
index 9e2837e..654dd3d 100644
--- a/vendor/golang.org/x/sys/unix/zsysnum_darwin_amd64.go
+++ b/vendor/golang.org/x/sys/unix/zsysnum_darwin_amd64.go
@@ -1,4 +1,4 @@
-// go run mksysnum.go /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk/usr/include/sys/syscall.h
+// go run mksysnum.go /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include/sys/syscall.h
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build amd64,darwin
@@ -431,6 +431,8 @@
 	SYS_NTP_ADJTIME                    = 527
 	SYS_NTP_GETTIME                    = 528
 	SYS_OS_FAULT_WITH_PAYLOAD          = 529
-	SYS_MAXSYSCALL                     = 530
+	SYS_KQUEUE_WORKLOOP_CTL            = 530
+	SYS___MACH_BRIDGE_REMOTE_TIME      = 531
+	SYS_MAXSYSCALL                     = 532
 	SYS_INVALID                        = 63
 )
diff --git a/vendor/golang.org/x/sys/unix/zsysnum_freebsd_arm64.go b/vendor/golang.org/x/sys/unix/zsysnum_freebsd_arm64.go
index 8c1e16c..9f21e95 100644
--- a/vendor/golang.org/x/sys/unix/zsysnum_freebsd_arm64.go
+++ b/vendor/golang.org/x/sys/unix/zsysnum_freebsd_arm64.go
@@ -1,4 +1,4 @@
-// mksysnum_freebsd.pl
+// go run mksysnum.go https://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build arm64,freebsd
diff --git a/vendor/golang.org/x/sys/unix/zsysnum_netbsd_arm64.go b/vendor/golang.org/x/sys/unix/zsysnum_netbsd_arm64.go
new file mode 100644
index 0000000..0291c09
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/zsysnum_netbsd_arm64.go
@@ -0,0 +1,274 @@
+// go run mksysnum.go http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master
+// Code generated by the command above; DO NOT EDIT.
+
+// +build arm64,netbsd
+
+package unix
+
+const (
+	SYS_EXIT                 = 1   // { void|sys||exit(int rval); }
+	SYS_FORK                 = 2   // { int|sys||fork(void); }
+	SYS_READ                 = 3   // { ssize_t|sys||read(int fd, void *buf, size_t nbyte); }
+	SYS_WRITE                = 4   // { ssize_t|sys||write(int fd, const void *buf, size_t nbyte); }
+	SYS_OPEN                 = 5   // { int|sys||open(const char *path, int flags, ... mode_t mode); }
+	SYS_CLOSE                = 6   // { int|sys||close(int fd); }
+	SYS_LINK                 = 9   // { int|sys||link(const char *path, const char *link); }
+	SYS_UNLINK               = 10  // { int|sys||unlink(const char *path); }
+	SYS_CHDIR                = 12  // { int|sys||chdir(const char *path); }
+	SYS_FCHDIR               = 13  // { int|sys||fchdir(int fd); }
+	SYS_CHMOD                = 15  // { int|sys||chmod(const char *path, mode_t mode); }
+	SYS_CHOWN                = 16  // { int|sys||chown(const char *path, uid_t uid, gid_t gid); }
+	SYS_BREAK                = 17  // { int|sys||obreak(char *nsize); }
+	SYS_GETPID               = 20  // { pid_t|sys||getpid_with_ppid(void); }
+	SYS_UNMOUNT              = 22  // { int|sys||unmount(const char *path, int flags); }
+	SYS_SETUID               = 23  // { int|sys||setuid(uid_t uid); }
+	SYS_GETUID               = 24  // { uid_t|sys||getuid_with_euid(void); }
+	SYS_GETEUID              = 25  // { uid_t|sys||geteuid(void); }
+	SYS_PTRACE               = 26  // { int|sys||ptrace(int req, pid_t pid, void *addr, int data); }
+	SYS_RECVMSG              = 27  // { ssize_t|sys||recvmsg(int s, struct msghdr *msg, int flags); }
+	SYS_SENDMSG              = 28  // { ssize_t|sys||sendmsg(int s, const struct msghdr *msg, int flags); }
+	SYS_RECVFROM             = 29  // { ssize_t|sys||recvfrom(int s, void *buf, size_t len, int flags, struct sockaddr *from, socklen_t *fromlenaddr); }
+	SYS_ACCEPT               = 30  // { int|sys||accept(int s, struct sockaddr *name, socklen_t *anamelen); }
+	SYS_GETPEERNAME          = 31  // { int|sys||getpeername(int fdes, struct sockaddr *asa, socklen_t *alen); }
+	SYS_GETSOCKNAME          = 32  // { int|sys||getsockname(int fdes, struct sockaddr *asa, socklen_t *alen); }
+	SYS_ACCESS               = 33  // { int|sys||access(const char *path, int flags); }
+	SYS_CHFLAGS              = 34  // { int|sys||chflags(const char *path, u_long flags); }
+	SYS_FCHFLAGS             = 35  // { int|sys||fchflags(int fd, u_long flags); }
+	SYS_SYNC                 = 36  // { void|sys||sync(void); }
+	SYS_KILL                 = 37  // { int|sys||kill(pid_t pid, int signum); }
+	SYS_GETPPID              = 39  // { pid_t|sys||getppid(void); }
+	SYS_DUP                  = 41  // { int|sys||dup(int fd); }
+	SYS_PIPE                 = 42  // { int|sys||pipe(void); }
+	SYS_GETEGID              = 43  // { gid_t|sys||getegid(void); }
+	SYS_PROFIL               = 44  // { int|sys||profil(char *samples, size_t size, u_long offset, u_int scale); }
+	SYS_KTRACE               = 45  // { int|sys||ktrace(const char *fname, int ops, int facs, pid_t pid); }
+	SYS_GETGID               = 47  // { gid_t|sys||getgid_with_egid(void); }
+	SYS___GETLOGIN           = 49  // { int|sys||__getlogin(char *namebuf, size_t namelen); }
+	SYS___SETLOGIN           = 50  // { int|sys||__setlogin(const char *namebuf); }
+	SYS_ACCT                 = 51  // { int|sys||acct(const char *path); }
+	SYS_IOCTL                = 54  // { int|sys||ioctl(int fd, u_long com, ... void *data); }
+	SYS_REVOKE               = 56  // { int|sys||revoke(const char *path); }
+	SYS_SYMLINK              = 57  // { int|sys||symlink(const char *path, const char *link); }
+	SYS_READLINK             = 58  // { ssize_t|sys||readlink(const char *path, char *buf, size_t count); }
+	SYS_EXECVE               = 59  // { int|sys||execve(const char *path, char * const *argp, char * const *envp); }
+	SYS_UMASK                = 60  // { mode_t|sys||umask(mode_t newmask); }
+	SYS_CHROOT               = 61  // { int|sys||chroot(const char *path); }
+	SYS_VFORK                = 66  // { int|sys||vfork(void); }
+	SYS_SBRK                 = 69  // { int|sys||sbrk(intptr_t incr); }
+	SYS_SSTK                 = 70  // { int|sys||sstk(int incr); }
+	SYS_VADVISE              = 72  // { int|sys||ovadvise(int anom); }
+	SYS_MUNMAP               = 73  // { int|sys||munmap(void *addr, size_t len); }
+	SYS_MPROTECT             = 74  // { int|sys||mprotect(void *addr, size_t len, int prot); }
+	SYS_MADVISE              = 75  // { int|sys||madvise(void *addr, size_t len, int behav); }
+	SYS_MINCORE              = 78  // { int|sys||mincore(void *addr, size_t len, char *vec); }
+	SYS_GETGROUPS            = 79  // { int|sys||getgroups(int gidsetsize, gid_t *gidset); }
+	SYS_SETGROUPS            = 80  // { int|sys||setgroups(int gidsetsize, const gid_t *gidset); }
+	SYS_GETPGRP              = 81  // { int|sys||getpgrp(void); }
+	SYS_SETPGID              = 82  // { int|sys||setpgid(pid_t pid, pid_t pgid); }
+	SYS_DUP2                 = 90  // { int|sys||dup2(int from, int to); }
+	SYS_FCNTL                = 92  // { int|sys||fcntl(int fd, int cmd, ... void *arg); }
+	SYS_FSYNC                = 95  // { int|sys||fsync(int fd); }
+	SYS_SETPRIORITY          = 96  // { int|sys||setpriority(int which, id_t who, int prio); }
+	SYS_CONNECT              = 98  // { int|sys||connect(int s, const struct sockaddr *name, socklen_t namelen); }
+	SYS_GETPRIORITY          = 100 // { int|sys||getpriority(int which, id_t who); }
+	SYS_BIND                 = 104 // { int|sys||bind(int s, const struct sockaddr *name, socklen_t namelen); }
+	SYS_SETSOCKOPT           = 105 // { int|sys||setsockopt(int s, int level, int name, const void *val, socklen_t valsize); }
+	SYS_LISTEN               = 106 // { int|sys||listen(int s, int backlog); }
+	SYS_GETSOCKOPT           = 118 // { int|sys||getsockopt(int s, int level, int name, void *val, socklen_t *avalsize); }
+	SYS_READV                = 120 // { ssize_t|sys||readv(int fd, const struct iovec *iovp, int iovcnt); }
+	SYS_WRITEV               = 121 // { ssize_t|sys||writev(int fd, const struct iovec *iovp, int iovcnt); }
+	SYS_FCHOWN               = 123 // { int|sys||fchown(int fd, uid_t uid, gid_t gid); }
+	SYS_FCHMOD               = 124 // { int|sys||fchmod(int fd, mode_t mode); }
+	SYS_SETREUID             = 126 // { int|sys||setreuid(uid_t ruid, uid_t euid); }
+	SYS_SETREGID             = 127 // { int|sys||setregid(gid_t rgid, gid_t egid); }
+	SYS_RENAME               = 128 // { int|sys||rename(const char *from, const char *to); }
+	SYS_FLOCK                = 131 // { int|sys||flock(int fd, int how); }
+	SYS_MKFIFO               = 132 // { int|sys||mkfifo(const char *path, mode_t mode); }
+	SYS_SENDTO               = 133 // { ssize_t|sys||sendto(int s, const void *buf, size_t len, int flags, const struct sockaddr *to, socklen_t tolen); }
+	SYS_SHUTDOWN             = 134 // { int|sys||shutdown(int s, int how); }
+	SYS_SOCKETPAIR           = 135 // { int|sys||socketpair(int domain, int type, int protocol, int *rsv); }
+	SYS_MKDIR                = 136 // { int|sys||mkdir(const char *path, mode_t mode); }
+	SYS_RMDIR                = 137 // { int|sys||rmdir(const char *path); }
+	SYS_SETSID               = 147 // { int|sys||setsid(void); }
+	SYS_SYSARCH              = 165 // { int|sys||sysarch(int op, void *parms); }
+	SYS_PREAD                = 173 // { ssize_t|sys||pread(int fd, void *buf, size_t nbyte, int PAD, off_t offset); }
+	SYS_PWRITE               = 174 // { ssize_t|sys||pwrite(int fd, const void *buf, size_t nbyte, int PAD, off_t offset); }
+	SYS_NTP_ADJTIME          = 176 // { int|sys||ntp_adjtime(struct timex *tp); }
+	SYS_SETGID               = 181 // { int|sys||setgid(gid_t gid); }
+	SYS_SETEGID              = 182 // { int|sys||setegid(gid_t egid); }
+	SYS_SETEUID              = 183 // { int|sys||seteuid(uid_t euid); }
+	SYS_PATHCONF             = 191 // { long|sys||pathconf(const char *path, int name); }
+	SYS_FPATHCONF            = 192 // { long|sys||fpathconf(int fd, int name); }
+	SYS_GETRLIMIT            = 194 // { int|sys||getrlimit(int which, struct rlimit *rlp); }
+	SYS_SETRLIMIT            = 195 // { int|sys||setrlimit(int which, const struct rlimit *rlp); }
+	SYS_MMAP                 = 197 // { void *|sys||mmap(void *addr, size_t len, int prot, int flags, int fd, long PAD, off_t pos); }
+	SYS_LSEEK                = 199 // { off_t|sys||lseek(int fd, int PAD, off_t offset, int whence); }
+	SYS_TRUNCATE             = 200 // { int|sys||truncate(const char *path, int PAD, off_t length); }
+	SYS_FTRUNCATE            = 201 // { int|sys||ftruncate(int fd, int PAD, off_t length); }
+	SYS___SYSCTL             = 202 // { int|sys||__sysctl(const int *name, u_int namelen, void *old, size_t *oldlenp, const void *new, size_t newlen); }
+	SYS_MLOCK                = 203 // { int|sys||mlock(const void *addr, size_t len); }
+	SYS_MUNLOCK              = 204 // { int|sys||munlock(const void *addr, size_t len); }
+	SYS_UNDELETE             = 205 // { int|sys||undelete(const char *path); }
+	SYS_GETPGID              = 207 // { pid_t|sys||getpgid(pid_t pid); }
+	SYS_REBOOT               = 208 // { int|sys||reboot(int opt, char *bootstr); }
+	SYS_POLL                 = 209 // { int|sys||poll(struct pollfd *fds, u_int nfds, int timeout); }
+	SYS_SEMGET               = 221 // { int|sys||semget(key_t key, int nsems, int semflg); }
+	SYS_SEMOP                = 222 // { int|sys||semop(int semid, struct sembuf *sops, size_t nsops); }
+	SYS_SEMCONFIG            = 223 // { int|sys||semconfig(int flag); }
+	SYS_MSGGET               = 225 // { int|sys||msgget(key_t key, int msgflg); }
+	SYS_MSGSND               = 226 // { int|sys||msgsnd(int msqid, const void *msgp, size_t msgsz, int msgflg); }
+	SYS_MSGRCV               = 227 // { ssize_t|sys||msgrcv(int msqid, void *msgp, size_t msgsz, long msgtyp, int msgflg); }
+	SYS_SHMAT                = 228 // { void *|sys||shmat(int shmid, const void *shmaddr, int shmflg); }
+	SYS_SHMDT                = 230 // { int|sys||shmdt(const void *shmaddr); }
+	SYS_SHMGET               = 231 // { int|sys||shmget(key_t key, size_t size, int shmflg); }
+	SYS_TIMER_CREATE         = 235 // { int|sys||timer_create(clockid_t clock_id, struct sigevent *evp, timer_t *timerid); }
+	SYS_TIMER_DELETE         = 236 // { int|sys||timer_delete(timer_t timerid); }
+	SYS_TIMER_GETOVERRUN     = 239 // { int|sys||timer_getoverrun(timer_t timerid); }
+	SYS_FDATASYNC            = 241 // { int|sys||fdatasync(int fd); }
+	SYS_MLOCKALL             = 242 // { int|sys||mlockall(int flags); }
+	SYS_MUNLOCKALL           = 243 // { int|sys||munlockall(void); }
+	SYS_SIGQUEUEINFO         = 245 // { int|sys||sigqueueinfo(pid_t pid, const siginfo_t *info); }
+	SYS_MODCTL               = 246 // { int|sys||modctl(int cmd, void *arg); }
+	SYS___POSIX_RENAME       = 270 // { int|sys||__posix_rename(const char *from, const char *to); }
+	SYS_SWAPCTL              = 271 // { int|sys||swapctl(int cmd, void *arg, int misc); }
+	SYS_MINHERIT             = 273 // { int|sys||minherit(void *addr, size_t len, int inherit); }
+	SYS_LCHMOD               = 274 // { int|sys||lchmod(const char *path, mode_t mode); }
+	SYS_LCHOWN               = 275 // { int|sys||lchown(const char *path, uid_t uid, gid_t gid); }
+	SYS_MSYNC                = 277 // { int|sys|13|msync(void *addr, size_t len, int flags); }
+	SYS___POSIX_CHOWN        = 283 // { int|sys||__posix_chown(const char *path, uid_t uid, gid_t gid); }
+	SYS___POSIX_FCHOWN       = 284 // { int|sys||__posix_fchown(int fd, uid_t uid, gid_t gid); }
+	SYS___POSIX_LCHOWN       = 285 // { int|sys||__posix_lchown(const char *path, uid_t uid, gid_t gid); }
+	SYS_GETSID               = 286 // { pid_t|sys||getsid(pid_t pid); }
+	SYS___CLONE              = 287 // { pid_t|sys||__clone(int flags, void *stack); }
+	SYS_FKTRACE              = 288 // { int|sys||fktrace(int fd, int ops, int facs, pid_t pid); }
+	SYS_PREADV               = 289 // { ssize_t|sys||preadv(int fd, const struct iovec *iovp, int iovcnt, int PAD, off_t offset); }
+	SYS_PWRITEV              = 290 // { ssize_t|sys||pwritev(int fd, const struct iovec *iovp, int iovcnt, int PAD, off_t offset); }
+	SYS___GETCWD             = 296 // { int|sys||__getcwd(char *bufp, size_t length); }
+	SYS_FCHROOT              = 297 // { int|sys||fchroot(int fd); }
+	SYS_LCHFLAGS             = 304 // { int|sys||lchflags(const char *path, u_long flags); }
+	SYS_ISSETUGID            = 305 // { int|sys||issetugid(void); }
+	SYS_UTRACE               = 306 // { int|sys||utrace(const char *label, void *addr, size_t len); }
+	SYS_GETCONTEXT           = 307 // { int|sys||getcontext(struct __ucontext *ucp); }
+	SYS_SETCONTEXT           = 308 // { int|sys||setcontext(const struct __ucontext *ucp); }
+	SYS__LWP_CREATE          = 309 // { int|sys||_lwp_create(const struct __ucontext *ucp, u_long flags, lwpid_t *new_lwp); }
+	SYS__LWP_EXIT            = 310 // { int|sys||_lwp_exit(void); }
+	SYS__LWP_SELF            = 311 // { lwpid_t|sys||_lwp_self(void); }
+	SYS__LWP_WAIT            = 312 // { int|sys||_lwp_wait(lwpid_t wait_for, lwpid_t *departed); }
+	SYS__LWP_SUSPEND         = 313 // { int|sys||_lwp_suspend(lwpid_t target); }
+	SYS__LWP_CONTINUE        = 314 // { int|sys||_lwp_continue(lwpid_t target); }
+	SYS__LWP_WAKEUP          = 315 // { int|sys||_lwp_wakeup(lwpid_t target); }
+	SYS__LWP_GETPRIVATE      = 316 // { void *|sys||_lwp_getprivate(void); }
+	SYS__LWP_SETPRIVATE      = 317 // { void|sys||_lwp_setprivate(void *ptr); }
+	SYS__LWP_KILL            = 318 // { int|sys||_lwp_kill(lwpid_t target, int signo); }
+	SYS__LWP_DETACH          = 319 // { int|sys||_lwp_detach(lwpid_t target); }
+	SYS__LWP_UNPARK          = 321 // { int|sys||_lwp_unpark(lwpid_t target, const void *hint); }
+	SYS__LWP_UNPARK_ALL      = 322 // { ssize_t|sys||_lwp_unpark_all(const lwpid_t *targets, size_t ntargets, const void *hint); }
+	SYS__LWP_SETNAME         = 323 // { int|sys||_lwp_setname(lwpid_t target, const char *name); }
+	SYS__LWP_GETNAME         = 324 // { int|sys||_lwp_getname(lwpid_t target, char *name, size_t len); }
+	SYS__LWP_CTL             = 325 // { int|sys||_lwp_ctl(int features, struct lwpctl **address); }
+	SYS___SIGACTION_SIGTRAMP = 340 // { int|sys||__sigaction_sigtramp(int signum, const struct sigaction *nsa, struct sigaction *osa, const void *tramp, int vers); }
+	SYS_PMC_GET_INFO         = 341 // { int|sys||pmc_get_info(int ctr, int op, void *args); }
+	SYS_PMC_CONTROL          = 342 // { int|sys||pmc_control(int ctr, int op, void *args); }
+	SYS_RASCTL               = 343 // { int|sys||rasctl(void *addr, size_t len, int op); }
+	SYS_KQUEUE               = 344 // { int|sys||kqueue(void); }
+	SYS__SCHED_SETPARAM      = 346 // { int|sys||_sched_setparam(pid_t pid, lwpid_t lid, int policy, const struct sched_param *params); }
+	SYS__SCHED_GETPARAM      = 347 // { int|sys||_sched_getparam(pid_t pid, lwpid_t lid, int *policy, struct sched_param *params); }
+	SYS__SCHED_SETAFFINITY   = 348 // { int|sys||_sched_setaffinity(pid_t pid, lwpid_t lid, size_t size, const cpuset_t *cpuset); }
+	SYS__SCHED_GETAFFINITY   = 349 // { int|sys||_sched_getaffinity(pid_t pid, lwpid_t lid, size_t size, cpuset_t *cpuset); }
+	SYS_SCHED_YIELD          = 350 // { int|sys||sched_yield(void); }
+	SYS_FSYNC_RANGE          = 354 // { int|sys||fsync_range(int fd, int flags, off_t start, off_t length); }
+	SYS_UUIDGEN              = 355 // { int|sys||uuidgen(struct uuid *store, int count); }
+	SYS_GETVFSSTAT           = 356 // { int|sys||getvfsstat(struct statvfs *buf, size_t bufsize, int flags); }
+	SYS_STATVFS1             = 357 // { int|sys||statvfs1(const char *path, struct statvfs *buf, int flags); }
+	SYS_FSTATVFS1            = 358 // { int|sys||fstatvfs1(int fd, struct statvfs *buf, int flags); }
+	SYS_EXTATTRCTL           = 360 // { int|sys||extattrctl(const char *path, int cmd, const char *filename, int attrnamespace, const char *attrname); }
+	SYS_EXTATTR_SET_FILE     = 361 // { int|sys||extattr_set_file(const char *path, int attrnamespace, const char *attrname, const void *data, size_t nbytes); }
+	SYS_EXTATTR_GET_FILE     = 362 // { ssize_t|sys||extattr_get_file(const char *path, int attrnamespace, const char *attrname, void *data, size_t nbytes); }
+	SYS_EXTATTR_DELETE_FILE  = 363 // { int|sys||extattr_delete_file(const char *path, int attrnamespace, const char *attrname); }
+	SYS_EXTATTR_SET_FD       = 364 // { int|sys||extattr_set_fd(int fd, int attrnamespace, const char *attrname, const void *data, size_t nbytes); }
+	SYS_EXTATTR_GET_FD       = 365 // { ssize_t|sys||extattr_get_fd(int fd, int attrnamespace, const char *attrname, void *data, size_t nbytes); }
+	SYS_EXTATTR_DELETE_FD    = 366 // { int|sys||extattr_delete_fd(int fd, int attrnamespace, const char *attrname); }
+	SYS_EXTATTR_SET_LINK     = 367 // { int|sys||extattr_set_link(const char *path, int attrnamespace, const char *attrname, const void *data, size_t nbytes); }
+	SYS_EXTATTR_GET_LINK     = 368 // { ssize_t|sys||extattr_get_link(const char *path, int attrnamespace, const char *attrname, void *data, size_t nbytes); }
+	SYS_EXTATTR_DELETE_LINK  = 369 // { int|sys||extattr_delete_link(const char *path, int attrnamespace, const char *attrname); }
+	SYS_EXTATTR_LIST_FD      = 370 // { ssize_t|sys||extattr_list_fd(int fd, int attrnamespace, void *data, size_t nbytes); }
+	SYS_EXTATTR_LIST_FILE    = 371 // { ssize_t|sys||extattr_list_file(const char *path, int attrnamespace, void *data, size_t nbytes); }
+	SYS_EXTATTR_LIST_LINK    = 372 // { ssize_t|sys||extattr_list_link(const char *path, int attrnamespace, void *data, size_t nbytes); }
+	SYS_SETXATTR             = 375 // { int|sys||setxattr(const char *path, const char *name, const void *value, size_t size, int flags); }
+	SYS_LSETXATTR            = 376 // { int|sys||lsetxattr(const char *path, const char *name, const void *value, size_t size, int flags); }
+	SYS_FSETXATTR            = 377 // { int|sys||fsetxattr(int fd, const char *name, const void *value, size_t size, int flags); }
+	SYS_GETXATTR             = 378 // { int|sys||getxattr(const char *path, const char *name, void *value, size_t size); }
+	SYS_LGETXATTR            = 379 // { int|sys||lgetxattr(const char *path, const char *name, void *value, size_t size); }
+	SYS_FGETXATTR            = 380 // { int|sys||fgetxattr(int fd, const char *name, void *value, size_t size); }
+	SYS_LISTXATTR            = 381 // { int|sys||listxattr(const char *path, char *list, size_t size); }
+	SYS_LLISTXATTR           = 382 // { int|sys||llistxattr(const char *path, char *list, size_t size); }
+	SYS_FLISTXATTR           = 383 // { int|sys||flistxattr(int fd, char *list, size_t size); }
+	SYS_REMOVEXATTR          = 384 // { int|sys||removexattr(const char *path, const char *name); }
+	SYS_LREMOVEXATTR         = 385 // { int|sys||lremovexattr(const char *path, const char *name); }
+	SYS_FREMOVEXATTR         = 386 // { int|sys||fremovexattr(int fd, const char *name); }
+	SYS_GETDENTS             = 390 // { int|sys|30|getdents(int fd, char *buf, size_t count); }
+	SYS_SOCKET               = 394 // { int|sys|30|socket(int domain, int type, int protocol); }
+	SYS_GETFH                = 395 // { int|sys|30|getfh(const char *fname, void *fhp, size_t *fh_size); }
+	SYS_MOUNT                = 410 // { int|sys|50|mount(const char *type, const char *path, int flags, void *data, size_t data_len); }
+	SYS_MREMAP               = 411 // { void *|sys||mremap(void *old_address, size_t old_size, void *new_address, size_t new_size, int flags); }
+	SYS_PSET_CREATE          = 412 // { int|sys||pset_create(psetid_t *psid); }
+	SYS_PSET_DESTROY         = 413 // { int|sys||pset_destroy(psetid_t psid); }
+	SYS_PSET_ASSIGN          = 414 // { int|sys||pset_assign(psetid_t psid, cpuid_t cpuid, psetid_t *opsid); }
+	SYS__PSET_BIND           = 415 // { int|sys||_pset_bind(idtype_t idtype, id_t first_id, id_t second_id, psetid_t psid, psetid_t *opsid); }
+	SYS_POSIX_FADVISE        = 416 // { int|sys|50|posix_fadvise(int fd, int PAD, off_t offset, off_t len, int advice); }
+	SYS_SELECT               = 417 // { int|sys|50|select(int nd, fd_set *in, fd_set *ou, fd_set *ex, struct timeval *tv); }
+	SYS_GETTIMEOFDAY         = 418 // { int|sys|50|gettimeofday(struct timeval *tp, void *tzp); }
+	SYS_SETTIMEOFDAY         = 419 // { int|sys|50|settimeofday(const struct timeval *tv, const void *tzp); }
+	SYS_UTIMES               = 420 // { int|sys|50|utimes(const char *path, const struct timeval *tptr); }
+	SYS_ADJTIME              = 421 // { int|sys|50|adjtime(const struct timeval *delta, struct timeval *olddelta); }
+	SYS_FUTIMES              = 423 // { int|sys|50|futimes(int fd, const struct timeval *tptr); }
+	SYS_LUTIMES              = 424 // { int|sys|50|lutimes(const char *path, const struct timeval *tptr); }
+	SYS_SETITIMER            = 425 // { int|sys|50|setitimer(int which, const struct itimerval *itv, struct itimerval *oitv); }
+	SYS_GETITIMER            = 426 // { int|sys|50|getitimer(int which, struct itimerval *itv); }
+	SYS_CLOCK_GETTIME        = 427 // { int|sys|50|clock_gettime(clockid_t clock_id, struct timespec *tp); }
+	SYS_CLOCK_SETTIME        = 428 // { int|sys|50|clock_settime(clockid_t clock_id, const struct timespec *tp); }
+	SYS_CLOCK_GETRES         = 429 // { int|sys|50|clock_getres(clockid_t clock_id, struct timespec *tp); }
+	SYS_NANOSLEEP            = 430 // { int|sys|50|nanosleep(const struct timespec *rqtp, struct timespec *rmtp); }
+	SYS___SIGTIMEDWAIT       = 431 // { int|sys|50|__sigtimedwait(const sigset_t *set, siginfo_t *info, struct timespec *timeout); }
+	SYS__LWP_PARK            = 434 // { int|sys|50|_lwp_park(const struct timespec *ts, lwpid_t unpark, const void *hint, const void *unparkhint); }
+	SYS_KEVENT               = 435 // { int|sys|50|kevent(int fd, const struct kevent *changelist, size_t nchanges, struct kevent *eventlist, size_t nevents, const struct timespec *timeout); }
+	SYS_PSELECT              = 436 // { int|sys|50|pselect(int nd, fd_set *in, fd_set *ou, fd_set *ex, const struct timespec *ts, const sigset_t *mask); }
+	SYS_POLLTS               = 437 // { int|sys|50|pollts(struct pollfd *fds, u_int nfds, const struct timespec *ts, const sigset_t *mask); }
+	SYS_STAT                 = 439 // { int|sys|50|stat(const char *path, struct stat *ub); }
+	SYS_FSTAT                = 440 // { int|sys|50|fstat(int fd, struct stat *sb); }
+	SYS_LSTAT                = 441 // { int|sys|50|lstat(const char *path, struct stat *ub); }
+	SYS___SEMCTL             = 442 // { int|sys|50|__semctl(int semid, int semnum, int cmd, ... union __semun *arg); }
+	SYS_SHMCTL               = 443 // { int|sys|50|shmctl(int shmid, int cmd, struct shmid_ds *buf); }
+	SYS_MSGCTL               = 444 // { int|sys|50|msgctl(int msqid, int cmd, struct msqid_ds *buf); }
+	SYS_GETRUSAGE            = 445 // { int|sys|50|getrusage(int who, struct rusage *rusage); }
+	SYS_TIMER_SETTIME        = 446 // { int|sys|50|timer_settime(timer_t timerid, int flags, const struct itimerspec *value, struct itimerspec *ovalue); }
+	SYS_TIMER_GETTIME        = 447 // { int|sys|50|timer_gettime(timer_t timerid, struct itimerspec *value); }
+	SYS_NTP_GETTIME          = 448 // { int|sys|50|ntp_gettime(struct ntptimeval *ntvp); }
+	SYS_WAIT4                = 449 // { int|sys|50|wait4(pid_t pid, int *status, int options, struct rusage *rusage); }
+	SYS_MKNOD                = 450 // { int|sys|50|mknod(const char *path, mode_t mode, dev_t dev); }
+	SYS_FHSTAT               = 451 // { int|sys|50|fhstat(const void *fhp, size_t fh_size, struct stat *sb); }
+	SYS_PIPE2                = 453 // { int|sys||pipe2(int *fildes, int flags); }
+	SYS_DUP3                 = 454 // { int|sys||dup3(int from, int to, int flags); }
+	SYS_KQUEUE1              = 455 // { int|sys||kqueue1(int flags); }
+	SYS_PACCEPT              = 456 // { int|sys||paccept(int s, struct sockaddr *name, socklen_t *anamelen, const sigset_t *mask, int flags); }
+	SYS_LINKAT               = 457 // { int|sys||linkat(int fd1, const char *name1, int fd2, const char *name2, int flags); }
+	SYS_RENAMEAT             = 458 // { int|sys||renameat(int fromfd, const char *from, int tofd, const char *to); }
+	SYS_MKFIFOAT             = 459 // { int|sys||mkfifoat(int fd, const char *path, mode_t mode); }
+	SYS_MKNODAT              = 460 // { int|sys||mknodat(int fd, const char *path, mode_t mode, uint32_t dev); }
+	SYS_MKDIRAT              = 461 // { int|sys||mkdirat(int fd, const char *path, mode_t mode); }
+	SYS_FACCESSAT            = 462 // { int|sys||faccessat(int fd, const char *path, int amode, int flag); }
+	SYS_FCHMODAT             = 463 // { int|sys||fchmodat(int fd, const char *path, mode_t mode, int flag); }
+	SYS_FCHOWNAT             = 464 // { int|sys||fchownat(int fd, const char *path, uid_t owner, gid_t group, int flag); }
+	SYS_FEXECVE              = 465 // { int|sys||fexecve(int fd, char * const *argp, char * const *envp); }
+	SYS_FSTATAT              = 466 // { int|sys||fstatat(int fd, const char *path, struct stat *buf, int flag); }
+	SYS_UTIMENSAT            = 467 // { int|sys||utimensat(int fd, const char *path, const struct timespec *tptr, int flag); }
+	SYS_OPENAT               = 468 // { int|sys||openat(int fd, const char *path, int oflags, ... mode_t mode); }
+	SYS_READLINKAT           = 469 // { int|sys||readlinkat(int fd, const char *path, char *buf, size_t bufsize); }
+	SYS_SYMLINKAT            = 470 // { int|sys||symlinkat(const char *path1, int fd, const char *path2); }
+	SYS_UNLINKAT             = 471 // { int|sys||unlinkat(int fd, const char *path, int flag); }
+	SYS_FUTIMENS             = 472 // { int|sys||futimens(int fd, const struct timespec *tptr); }
+	SYS___QUOTACTL           = 473 // { int|sys||__quotactl(const char *path, struct quotactl_args *args); }
+	SYS_POSIX_SPAWN          = 474 // { int|sys||posix_spawn(pid_t *pid, const char *path, const struct posix_spawn_file_actions *file_actions, const struct posix_spawnattr *attrp, char *const *argv, char *const *envp); }
+	SYS_RECVMMSG             = 475 // { int|sys||recvmmsg(int s, struct mmsghdr *mmsg, unsigned int vlen, unsigned int flags, struct timespec *timeout); }
+	SYS_SENDMMSG             = 476 // { int|sys||sendmmsg(int s, struct mmsghdr *mmsg, unsigned int vlen, unsigned int flags); }
+)
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_386.go b/vendor/golang.org/x/sys/unix/ztypes_linux_386.go
index ebf10d4..3e9c18e 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_386.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_386.go
@@ -405,6 +405,11 @@
 	Total_retrans  uint32
 }
 
+type CanFilter struct {
+	Id   uint32
+	Mask uint32
+}
+
 const (
 	SizeofSockaddrInet4     = 0x10
 	SizeofSockaddrInet6     = 0x1c
@@ -434,6 +439,7 @@
 	SizeofICMPv6Filter      = 0x20
 	SizeofUcred             = 0xc
 	SizeofTCPInfo           = 0x68
+	SizeofCanFilter         = 0x8
 )
 
 const (
@@ -759,7 +765,30 @@
 	Val [32]uint32
 }
 
-const RNDGETENTCNT = 0x80045200
+type SignalfdSiginfo struct {
+	Signo     uint32
+	Errno     int32
+	Code      int32
+	Pid       uint32
+	Uid       uint32
+	Fd        int32
+	Tid       uint32
+	Band      uint32
+	Overrun   uint32
+	Trapno    uint32
+	Status    int32
+	Int       int32
+	Ptr       uint64
+	Utime     uint64
+	Stime     uint64
+	Addr      uint64
+	Addr_lsb  uint16
+	_         uint16
+	Syscall   int32
+	Call_addr uint64
+	Arch      uint32
+	_         [28]uint8
+}
 
 const PERF_IOC_FLAG_GROUP = 0x1
 
@@ -1964,6 +1993,10 @@
 	NCSI_CHANNEL_ATTR_VLAN_ID       = 0xa
 )
 
+type ScmTimestamping struct {
+	Ts [3]Timespec
+}
+
 const (
 	SOF_TIMESTAMPING_TX_HARDWARE  = 0x1
 	SOF_TIMESTAMPING_TX_SOFTWARE  = 0x2
@@ -1983,4 +2016,18 @@
 
 	SOF_TIMESTAMPING_LAST = 0x4000
 	SOF_TIMESTAMPING_MASK = 0x7fff
+
+	SCM_TSTAMP_SND   = 0x0
+	SCM_TSTAMP_SCHED = 0x1
+	SCM_TSTAMP_ACK   = 0x2
 )
+
+type SockExtendedErr struct {
+	Errno  uint32
+	Origin uint8
+	Type   uint8
+	Code   uint8
+	Pad    uint8
+	Info   uint32
+	Data   uint32
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_amd64.go b/vendor/golang.org/x/sys/unix/ztypes_linux_amd64.go
index 99a6900..14365ff 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_amd64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_amd64.go
@@ -406,6 +406,11 @@
 	Total_retrans  uint32
 }
 
+type CanFilter struct {
+	Id   uint32
+	Mask uint32
+}
+
 const (
 	SizeofSockaddrInet4     = 0x10
 	SizeofSockaddrInet6     = 0x1c
@@ -435,6 +440,7 @@
 	SizeofICMPv6Filter      = 0x20
 	SizeofUcred             = 0xc
 	SizeofTCPInfo           = 0x68
+	SizeofCanFilter         = 0x8
 )
 
 const (
@@ -772,7 +778,30 @@
 	Val [16]uint64
 }
 
-const RNDGETENTCNT = 0x80045200
+type SignalfdSiginfo struct {
+	Signo     uint32
+	Errno     int32
+	Code      int32
+	Pid       uint32
+	Uid       uint32
+	Fd        int32
+	Tid       uint32
+	Band      uint32
+	Overrun   uint32
+	Trapno    uint32
+	Status    int32
+	Int       int32
+	Ptr       uint64
+	Utime     uint64
+	Stime     uint64
+	Addr      uint64
+	Addr_lsb  uint16
+	_         uint16
+	Syscall   int32
+	Call_addr uint64
+	Arch      uint32
+	_         [28]uint8
+}
 
 const PERF_IOC_FLAG_GROUP = 0x1
 
@@ -1977,6 +2006,10 @@
 	NCSI_CHANNEL_ATTR_VLAN_ID       = 0xa
 )
 
+type ScmTimestamping struct {
+	Ts [3]Timespec
+}
+
 const (
 	SOF_TIMESTAMPING_TX_HARDWARE  = 0x1
 	SOF_TIMESTAMPING_TX_SOFTWARE  = 0x2
@@ -1996,4 +2029,18 @@
 
 	SOF_TIMESTAMPING_LAST = 0x4000
 	SOF_TIMESTAMPING_MASK = 0x7fff
+
+	SCM_TSTAMP_SND   = 0x0
+	SCM_TSTAMP_SCHED = 0x1
+	SCM_TSTAMP_ACK   = 0x2
 )
+
+type SockExtendedErr struct {
+	Errno  uint32
+	Origin uint8
+	Type   uint8
+	Code   uint8
+	Pad    uint8
+	Info   uint32
+	Data   uint32
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_arm.go b/vendor/golang.org/x/sys/unix/ztypes_linux_arm.go
index 5ccc4b5..80ad473 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_arm.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_arm.go
@@ -409,6 +409,11 @@
 	Total_retrans  uint32
 }
 
+type CanFilter struct {
+	Id   uint32
+	Mask uint32
+}
+
 const (
 	SizeofSockaddrInet4     = 0x10
 	SizeofSockaddrInet6     = 0x1c
@@ -438,6 +443,7 @@
 	SizeofICMPv6Filter      = 0x20
 	SizeofUcred             = 0xc
 	SizeofTCPInfo           = 0x68
+	SizeofCanFilter         = 0x8
 )
 
 const (
@@ -748,7 +754,30 @@
 	Val [32]uint32
 }
 
-const RNDGETENTCNT = 0x80045200
+type SignalfdSiginfo struct {
+	Signo     uint32
+	Errno     int32
+	Code      int32
+	Pid       uint32
+	Uid       uint32
+	Fd        int32
+	Tid       uint32
+	Band      uint32
+	Overrun   uint32
+	Trapno    uint32
+	Status    int32
+	Int       int32
+	Ptr       uint64
+	Utime     uint64
+	Stime     uint64
+	Addr      uint64
+	Addr_lsb  uint16
+	_         uint16
+	Syscall   int32
+	Call_addr uint64
+	Arch      uint32
+	_         [28]uint8
+}
 
 const PERF_IOC_FLAG_GROUP = 0x1
 
@@ -1955,6 +1984,10 @@
 	NCSI_CHANNEL_ATTR_VLAN_ID       = 0xa
 )
 
+type ScmTimestamping struct {
+	Ts [3]Timespec
+}
+
 const (
 	SOF_TIMESTAMPING_TX_HARDWARE  = 0x1
 	SOF_TIMESTAMPING_TX_SOFTWARE  = 0x2
@@ -1974,4 +2007,18 @@
 
 	SOF_TIMESTAMPING_LAST = 0x4000
 	SOF_TIMESTAMPING_MASK = 0x7fff
+
+	SCM_TSTAMP_SND   = 0x0
+	SCM_TSTAMP_SCHED = 0x1
+	SCM_TSTAMP_ACK   = 0x2
 )
+
+type SockExtendedErr struct {
+	Errno  uint32
+	Origin uint8
+	Type   uint8
+	Code   uint8
+	Pad    uint8
+	Info   uint32
+	Data   uint32
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_arm64.go b/vendor/golang.org/x/sys/unix/ztypes_linux_arm64.go
index be375d9..20e78cc 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_arm64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_arm64.go
@@ -407,6 +407,11 @@
 	Total_retrans  uint32
 }
 
+type CanFilter struct {
+	Id   uint32
+	Mask uint32
+}
+
 const (
 	SizeofSockaddrInet4     = 0x10
 	SizeofSockaddrInet6     = 0x1c
@@ -436,6 +441,7 @@
 	SizeofICMPv6Filter      = 0x20
 	SizeofUcred             = 0xc
 	SizeofTCPInfo           = 0x68
+	SizeofCanFilter         = 0x8
 )
 
 const (
@@ -751,7 +757,30 @@
 	Val [16]uint64
 }
 
-const RNDGETENTCNT = 0x80045200
+type SignalfdSiginfo struct {
+	Signo     uint32
+	Errno     int32
+	Code      int32
+	Pid       uint32
+	Uid       uint32
+	Fd        int32
+	Tid       uint32
+	Band      uint32
+	Overrun   uint32
+	Trapno    uint32
+	Status    int32
+	Int       int32
+	Ptr       uint64
+	Utime     uint64
+	Stime     uint64
+	Addr      uint64
+	Addr_lsb  uint16
+	_         uint16
+	Syscall   int32
+	Call_addr uint64
+	Arch      uint32
+	_         [28]uint8
+}
 
 const PERF_IOC_FLAG_GROUP = 0x1
 
@@ -1956,6 +1985,10 @@
 	NCSI_CHANNEL_ATTR_VLAN_ID       = 0xa
 )
 
+type ScmTimestamping struct {
+	Ts [3]Timespec
+}
+
 const (
 	SOF_TIMESTAMPING_TX_HARDWARE  = 0x1
 	SOF_TIMESTAMPING_TX_SOFTWARE  = 0x2
@@ -1975,4 +2008,18 @@
 
 	SOF_TIMESTAMPING_LAST = 0x4000
 	SOF_TIMESTAMPING_MASK = 0x7fff
+
+	SCM_TSTAMP_SND   = 0x0
+	SCM_TSTAMP_SCHED = 0x1
+	SCM_TSTAMP_ACK   = 0x2
 )
+
+type SockExtendedErr struct {
+	Errno  uint32
+	Origin uint8
+	Type   uint8
+	Code   uint8
+	Pad    uint8
+	Info   uint32
+	Data   uint32
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_mips.go b/vendor/golang.org/x/sys/unix/ztypes_linux_mips.go
index 195f7e1..bdeb0cb 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_mips.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_mips.go
@@ -408,6 +408,11 @@
 	Total_retrans  uint32
 }
 
+type CanFilter struct {
+	Id   uint32
+	Mask uint32
+}
+
 const (
 	SizeofSockaddrInet4     = 0x10
 	SizeofSockaddrInet6     = 0x1c
@@ -437,6 +442,7 @@
 	SizeofICMPv6Filter      = 0x20
 	SizeofUcred             = 0xc
 	SizeofTCPInfo           = 0x68
+	SizeofCanFilter         = 0x8
 )
 
 const (
@@ -753,7 +759,30 @@
 	Val [32]uint32
 }
 
-const RNDGETENTCNT = 0x40045200
+type SignalfdSiginfo struct {
+	Signo     uint32
+	Errno     int32
+	Code      int32
+	Pid       uint32
+	Uid       uint32
+	Fd        int32
+	Tid       uint32
+	Band      uint32
+	Overrun   uint32
+	Trapno    uint32
+	Status    int32
+	Int       int32
+	Ptr       uint64
+	Utime     uint64
+	Stime     uint64
+	Addr      uint64
+	Addr_lsb  uint16
+	_         uint16
+	Syscall   int32
+	Call_addr uint64
+	Arch      uint32
+	_         [28]uint8
+}
 
 const PERF_IOC_FLAG_GROUP = 0x1
 
@@ -1961,6 +1990,10 @@
 	NCSI_CHANNEL_ATTR_VLAN_ID       = 0xa
 )
 
+type ScmTimestamping struct {
+	Ts [3]Timespec
+}
+
 const (
 	SOF_TIMESTAMPING_TX_HARDWARE  = 0x1
 	SOF_TIMESTAMPING_TX_SOFTWARE  = 0x2
@@ -1980,4 +2013,18 @@
 
 	SOF_TIMESTAMPING_LAST = 0x4000
 	SOF_TIMESTAMPING_MASK = 0x7fff
+
+	SCM_TSTAMP_SND   = 0x0
+	SCM_TSTAMP_SCHED = 0x1
+	SCM_TSTAMP_ACK   = 0x2
 )
+
+type SockExtendedErr struct {
+	Errno  uint32
+	Origin uint8
+	Type   uint8
+	Code   uint8
+	Pad    uint8
+	Info   uint32
+	Data   uint32
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_mips64.go b/vendor/golang.org/x/sys/unix/ztypes_linux_mips64.go
index 77acf56..2d3f591 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_mips64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_mips64.go
@@ -407,6 +407,11 @@
 	Total_retrans  uint32
 }
 
+type CanFilter struct {
+	Id   uint32
+	Mask uint32
+}
+
 const (
 	SizeofSockaddrInet4     = 0x10
 	SizeofSockaddrInet6     = 0x1c
@@ -436,6 +441,7 @@
 	SizeofICMPv6Filter      = 0x20
 	SizeofUcred             = 0xc
 	SizeofTCPInfo           = 0x68
+	SizeofCanFilter         = 0x8
 )
 
 const (
@@ -753,7 +759,30 @@
 	Val [16]uint64
 }
 
-const RNDGETENTCNT = 0x40045200
+type SignalfdSiginfo struct {
+	Signo     uint32
+	Errno     int32
+	Code      int32
+	Pid       uint32
+	Uid       uint32
+	Fd        int32
+	Tid       uint32
+	Band      uint32
+	Overrun   uint32
+	Trapno    uint32
+	Status    int32
+	Int       int32
+	Ptr       uint64
+	Utime     uint64
+	Stime     uint64
+	Addr      uint64
+	Addr_lsb  uint16
+	_         uint16
+	Syscall   int32
+	Call_addr uint64
+	Arch      uint32
+	_         [28]uint8
+}
 
 const PERF_IOC_FLAG_GROUP = 0x1
 
@@ -1958,6 +1987,10 @@
 	NCSI_CHANNEL_ATTR_VLAN_ID       = 0xa
 )
 
+type ScmTimestamping struct {
+	Ts [3]Timespec
+}
+
 const (
 	SOF_TIMESTAMPING_TX_HARDWARE  = 0x1
 	SOF_TIMESTAMPING_TX_SOFTWARE  = 0x2
@@ -1977,4 +2010,18 @@
 
 	SOF_TIMESTAMPING_LAST = 0x4000
 	SOF_TIMESTAMPING_MASK = 0x7fff
+
+	SCM_TSTAMP_SND   = 0x0
+	SCM_TSTAMP_SCHED = 0x1
+	SCM_TSTAMP_ACK   = 0x2
 )
+
+type SockExtendedErr struct {
+	Errno  uint32
+	Origin uint8
+	Type   uint8
+	Code   uint8
+	Pad    uint8
+	Info   uint32
+	Data   uint32
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_mips64le.go b/vendor/golang.org/x/sys/unix/ztypes_linux_mips64le.go
index 2fb7498..5fb57ff 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_mips64le.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_mips64le.go
@@ -407,6 +407,11 @@
 	Total_retrans  uint32
 }
 
+type CanFilter struct {
+	Id   uint32
+	Mask uint32
+}
+
 const (
 	SizeofSockaddrInet4     = 0x10
 	SizeofSockaddrInet6     = 0x1c
@@ -436,6 +441,7 @@
 	SizeofICMPv6Filter      = 0x20
 	SizeofUcred             = 0xc
 	SizeofTCPInfo           = 0x68
+	SizeofCanFilter         = 0x8
 )
 
 const (
@@ -753,7 +759,30 @@
 	Val [16]uint64
 }
 
-const RNDGETENTCNT = 0x40045200
+type SignalfdSiginfo struct {
+	Signo     uint32
+	Errno     int32
+	Code      int32
+	Pid       uint32
+	Uid       uint32
+	Fd        int32
+	Tid       uint32
+	Band      uint32
+	Overrun   uint32
+	Trapno    uint32
+	Status    int32
+	Int       int32
+	Ptr       uint64
+	Utime     uint64
+	Stime     uint64
+	Addr      uint64
+	Addr_lsb  uint16
+	_         uint16
+	Syscall   int32
+	Call_addr uint64
+	Arch      uint32
+	_         [28]uint8
+}
 
 const PERF_IOC_FLAG_GROUP = 0x1
 
@@ -1958,6 +1987,10 @@
 	NCSI_CHANNEL_ATTR_VLAN_ID       = 0xa
 )
 
+type ScmTimestamping struct {
+	Ts [3]Timespec
+}
+
 const (
 	SOF_TIMESTAMPING_TX_HARDWARE  = 0x1
 	SOF_TIMESTAMPING_TX_SOFTWARE  = 0x2
@@ -1977,4 +2010,18 @@
 
 	SOF_TIMESTAMPING_LAST = 0x4000
 	SOF_TIMESTAMPING_MASK = 0x7fff
+
+	SCM_TSTAMP_SND   = 0x0
+	SCM_TSTAMP_SCHED = 0x1
+	SCM_TSTAMP_ACK   = 0x2
 )
+
+type SockExtendedErr struct {
+	Errno  uint32
+	Origin uint8
+	Type   uint8
+	Code   uint8
+	Pad    uint8
+	Info   uint32
+	Data   uint32
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_mipsle.go b/vendor/golang.org/x/sys/unix/ztypes_linux_mipsle.go
index 41cb148..b46b26f 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_mipsle.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_mipsle.go
@@ -408,6 +408,11 @@
 	Total_retrans  uint32
 }
 
+type CanFilter struct {
+	Id   uint32
+	Mask uint32
+}
+
 const (
 	SizeofSockaddrInet4     = 0x10
 	SizeofSockaddrInet6     = 0x1c
@@ -437,6 +442,7 @@
 	SizeofICMPv6Filter      = 0x20
 	SizeofUcred             = 0xc
 	SizeofTCPInfo           = 0x68
+	SizeofCanFilter         = 0x8
 )
 
 const (
@@ -753,7 +759,30 @@
 	Val [32]uint32
 }
 
-const RNDGETENTCNT = 0x40045200
+type SignalfdSiginfo struct {
+	Signo     uint32
+	Errno     int32
+	Code      int32
+	Pid       uint32
+	Uid       uint32
+	Fd        int32
+	Tid       uint32
+	Band      uint32
+	Overrun   uint32
+	Trapno    uint32
+	Status    int32
+	Int       int32
+	Ptr       uint64
+	Utime     uint64
+	Stime     uint64
+	Addr      uint64
+	Addr_lsb  uint16
+	_         uint16
+	Syscall   int32
+	Call_addr uint64
+	Arch      uint32
+	_         [28]uint8
+}
 
 const PERF_IOC_FLAG_GROUP = 0x1
 
@@ -1961,6 +1990,10 @@
 	NCSI_CHANNEL_ATTR_VLAN_ID       = 0xa
 )
 
+type ScmTimestamping struct {
+	Ts [3]Timespec
+}
+
 const (
 	SOF_TIMESTAMPING_TX_HARDWARE  = 0x1
 	SOF_TIMESTAMPING_TX_SOFTWARE  = 0x2
@@ -1980,4 +2013,18 @@
 
 	SOF_TIMESTAMPING_LAST = 0x4000
 	SOF_TIMESTAMPING_MASK = 0x7fff
+
+	SCM_TSTAMP_SND   = 0x0
+	SCM_TSTAMP_SCHED = 0x1
+	SCM_TSTAMP_ACK   = 0x2
 )
+
+type SockExtendedErr struct {
+	Errno  uint32
+	Origin uint8
+	Type   uint8
+	Code   uint8
+	Pad    uint8
+	Info   uint32
+	Data   uint32
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_ppc64.go b/vendor/golang.org/x/sys/unix/ztypes_linux_ppc64.go
index 8e6b5fa..e14e3c9 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_ppc64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_ppc64.go
@@ -408,6 +408,11 @@
 	Total_retrans  uint32
 }
 
+type CanFilter struct {
+	Id   uint32
+	Mask uint32
+}
+
 const (
 	SizeofSockaddrInet4     = 0x10
 	SizeofSockaddrInet6     = 0x1c
@@ -437,6 +442,7 @@
 	SizeofICMPv6Filter      = 0x20
 	SizeofUcred             = 0xc
 	SizeofTCPInfo           = 0x68
+	SizeofCanFilter         = 0x8
 )
 
 const (
@@ -761,7 +767,30 @@
 	Val [16]uint64
 }
 
-const RNDGETENTCNT = 0x40045200
+type SignalfdSiginfo struct {
+	Signo     uint32
+	Errno     int32
+	Code      int32
+	Pid       uint32
+	Uid       uint32
+	Fd        int32
+	Tid       uint32
+	Band      uint32
+	Overrun   uint32
+	Trapno    uint32
+	Status    int32
+	Int       int32
+	Ptr       uint64
+	Utime     uint64
+	Stime     uint64
+	Addr      uint64
+	Addr_lsb  uint16
+	_         uint16
+	Syscall   int32
+	Call_addr uint64
+	Arch      uint32
+	_         [28]uint8
+}
 
 const PERF_IOC_FLAG_GROUP = 0x1
 
@@ -1966,6 +1995,10 @@
 	NCSI_CHANNEL_ATTR_VLAN_ID       = 0xa
 )
 
+type ScmTimestamping struct {
+	Ts [3]Timespec
+}
+
 const (
 	SOF_TIMESTAMPING_TX_HARDWARE  = 0x1
 	SOF_TIMESTAMPING_TX_SOFTWARE  = 0x2
@@ -1985,4 +2018,18 @@
 
 	SOF_TIMESTAMPING_LAST = 0x4000
 	SOF_TIMESTAMPING_MASK = 0x7fff
+
+	SCM_TSTAMP_SND   = 0x0
+	SCM_TSTAMP_SCHED = 0x1
+	SCM_TSTAMP_ACK   = 0x2
 )
+
+type SockExtendedErr struct {
+	Errno  uint32
+	Origin uint8
+	Type   uint8
+	Code   uint8
+	Pad    uint8
+	Info   uint32
+	Data   uint32
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_ppc64le.go b/vendor/golang.org/x/sys/unix/ztypes_linux_ppc64le.go
index 019d2d6..2332e8f 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_ppc64le.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_ppc64le.go
@@ -408,6 +408,11 @@
 	Total_retrans  uint32
 }
 
+type CanFilter struct {
+	Id   uint32
+	Mask uint32
+}
+
 const (
 	SizeofSockaddrInet4     = 0x10
 	SizeofSockaddrInet6     = 0x1c
@@ -437,6 +442,7 @@
 	SizeofICMPv6Filter      = 0x20
 	SizeofUcred             = 0xc
 	SizeofTCPInfo           = 0x68
+	SizeofCanFilter         = 0x8
 )
 
 const (
@@ -761,7 +767,30 @@
 	Val [16]uint64
 }
 
-const RNDGETENTCNT = 0x40045200
+type SignalfdSiginfo struct {
+	Signo     uint32
+	Errno     int32
+	Code      int32
+	Pid       uint32
+	Uid       uint32
+	Fd        int32
+	Tid       uint32
+	Band      uint32
+	Overrun   uint32
+	Trapno    uint32
+	Status    int32
+	Int       int32
+	Ptr       uint64
+	Utime     uint64
+	Stime     uint64
+	Addr      uint64
+	Addr_lsb  uint16
+	_         uint16
+	Syscall   int32
+	Call_addr uint64
+	Arch      uint32
+	_         [28]uint8
+}
 
 const PERF_IOC_FLAG_GROUP = 0x1
 
@@ -1966,6 +1995,10 @@
 	NCSI_CHANNEL_ATTR_VLAN_ID       = 0xa
 )
 
+type ScmTimestamping struct {
+	Ts [3]Timespec
+}
+
 const (
 	SOF_TIMESTAMPING_TX_HARDWARE  = 0x1
 	SOF_TIMESTAMPING_TX_SOFTWARE  = 0x2
@@ -1985,4 +2018,18 @@
 
 	SOF_TIMESTAMPING_LAST = 0x4000
 	SOF_TIMESTAMPING_MASK = 0x7fff
+
+	SCM_TSTAMP_SND   = 0x0
+	SCM_TSTAMP_SCHED = 0x1
+	SCM_TSTAMP_ACK   = 0x2
 )
+
+type SockExtendedErr struct {
+	Errno  uint32
+	Origin uint8
+	Type   uint8
+	Code   uint8
+	Pad    uint8
+	Info   uint32
+	Data   uint32
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_riscv64.go b/vendor/golang.org/x/sys/unix/ztypes_linux_riscv64.go
index cf110ce..efec4f8 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_riscv64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_riscv64.go
@@ -212,7 +212,7 @@
 
 type RawSockaddrUnix struct {
 	Family uint16
-	Path   [108]uint8
+	Path   [108]int8
 }
 
 type RawSockaddrLinklayer struct {
@@ -407,6 +407,11 @@
 	Total_retrans  uint32
 }
 
+type CanFilter struct {
+	Id   uint32
+	Mask uint32
+}
+
 const (
 	SizeofSockaddrInet4     = 0x10
 	SizeofSockaddrInet6     = 0x1c
@@ -436,6 +441,7 @@
 	SizeofICMPv6Filter      = 0x20
 	SizeofUcred             = 0xc
 	SizeofTCPInfo           = 0x68
+	SizeofCanFilter         = 0x8
 )
 
 const (
@@ -778,7 +784,30 @@
 	Val [16]uint64
 }
 
-const RNDGETENTCNT = 0x80045200
+type SignalfdSiginfo struct {
+	Signo     uint32
+	Errno     int32
+	Code      int32
+	Pid       uint32
+	Uid       uint32
+	Fd        int32
+	Tid       uint32
+	Band      uint32
+	Overrun   uint32
+	Trapno    uint32
+	Status    int32
+	Int       int32
+	Ptr       uint64
+	Utime     uint64
+	Stime     uint64
+	Addr      uint64
+	Addr_lsb  uint16
+	_         uint16
+	Syscall   int32
+	Call_addr uint64
+	Arch      uint32
+	_         [28]uint8
+}
 
 const PERF_IOC_FLAG_GROUP = 0x1
 
@@ -1983,6 +2012,10 @@
 	NCSI_CHANNEL_ATTR_VLAN_ID       = 0xa
 )
 
+type ScmTimestamping struct {
+	Ts [3]Timespec
+}
+
 const (
 	SOF_TIMESTAMPING_TX_HARDWARE  = 0x1
 	SOF_TIMESTAMPING_TX_SOFTWARE  = 0x2
@@ -2002,4 +2035,18 @@
 
 	SOF_TIMESTAMPING_LAST = 0x4000
 	SOF_TIMESTAMPING_MASK = 0x7fff
+
+	SCM_TSTAMP_SND   = 0x0
+	SCM_TSTAMP_SCHED = 0x1
+	SCM_TSTAMP_ACK   = 0x2
 )
+
+type SockExtendedErr struct {
+	Errno  uint32
+	Origin uint8
+	Type   uint8
+	Code   uint8
+	Pad    uint8
+	Info   uint32
+	Data   uint32
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_s390x.go b/vendor/golang.org/x/sys/unix/ztypes_linux_s390x.go
index abdc086..71cc23f 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_s390x.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_s390x.go
@@ -406,6 +406,11 @@
 	Total_retrans  uint32
 }
 
+type CanFilter struct {
+	Id   uint32
+	Mask uint32
+}
+
 const (
 	SizeofSockaddrInet4     = 0x10
 	SizeofSockaddrInet6     = 0x1c
@@ -435,6 +440,7 @@
 	SizeofICMPv6Filter      = 0x20
 	SizeofUcred             = 0xc
 	SizeofTCPInfo           = 0x68
+	SizeofCanFilter         = 0x8
 )
 
 const (
@@ -774,7 +780,30 @@
 	Val [16]uint64
 }
 
-const RNDGETENTCNT = 0x80045200
+type SignalfdSiginfo struct {
+	Signo     uint32
+	Errno     int32
+	Code      int32
+	Pid       uint32
+	Uid       uint32
+	Fd        int32
+	Tid       uint32
+	Band      uint32
+	Overrun   uint32
+	Trapno    uint32
+	Status    int32
+	Int       int32
+	Ptr       uint64
+	Utime     uint64
+	Stime     uint64
+	Addr      uint64
+	Addr_lsb  uint16
+	_         uint16
+	Syscall   int32
+	Call_addr uint64
+	Arch      uint32
+	_         [28]uint8
+}
 
 const PERF_IOC_FLAG_GROUP = 0x1
 
@@ -1980,6 +2009,10 @@
 	NCSI_CHANNEL_ATTR_VLAN_ID       = 0xa
 )
 
+type ScmTimestamping struct {
+	Ts [3]Timespec
+}
+
 const (
 	SOF_TIMESTAMPING_TX_HARDWARE  = 0x1
 	SOF_TIMESTAMPING_TX_SOFTWARE  = 0x2
@@ -1999,4 +2032,18 @@
 
 	SOF_TIMESTAMPING_LAST = 0x4000
 	SOF_TIMESTAMPING_MASK = 0x7fff
+
+	SCM_TSTAMP_SND   = 0x0
+	SCM_TSTAMP_SCHED = 0x1
+	SCM_TSTAMP_ACK   = 0x2
 )
+
+type SockExtendedErr struct {
+	Errno  uint32
+	Origin uint8
+	Type   uint8
+	Code   uint8
+	Pad    uint8
+	Info   uint32
+	Data   uint32
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_linux_sparc64.go b/vendor/golang.org/x/sys/unix/ztypes_linux_sparc64.go
index b0c9798..48805ba 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_linux_sparc64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_linux_sparc64.go
@@ -410,6 +410,11 @@
 	Total_retrans  uint32
 }
 
+type CanFilter struct {
+	Id   uint32
+	Mask uint32
+}
+
 const (
 	SizeofSockaddrInet4     = 0x10
 	SizeofSockaddrInet6     = 0x1c
@@ -439,6 +444,7 @@
 	SizeofICMPv6Filter      = 0x20
 	SizeofUcred             = 0xc
 	SizeofTCPInfo           = 0x68
+	SizeofCanFilter         = 0x8
 )
 
 const (
@@ -756,7 +762,30 @@
 	Val [16]uint64
 }
 
-const RNDGETENTCNT = 0x40045200
+type SignalfdSiginfo struct {
+	Signo     uint32
+	Errno     int32
+	Code      int32
+	Pid       uint32
+	Uid       uint32
+	Fd        int32
+	Tid       uint32
+	Band      uint32
+	Overrun   uint32
+	Trapno    uint32
+	Status    int32
+	Int       int32
+	Ptr       uint64
+	Utime     uint64
+	Stime     uint64
+	Addr      uint64
+	Addr_lsb  uint16
+	_         uint16
+	Syscall   int32
+	Call_addr uint64
+	Arch      uint32
+	_         [28]uint8
+}
 
 const PERF_IOC_FLAG_GROUP = 0x1
 
@@ -1961,6 +1990,10 @@
 	NCSI_CHANNEL_ATTR_VLAN_ID       = 0xa
 )
 
+type ScmTimestamping struct {
+	Ts [3]Timespec
+}
+
 const (
 	SOF_TIMESTAMPING_TX_HARDWARE  = 0x1
 	SOF_TIMESTAMPING_TX_SOFTWARE  = 0x2
@@ -1980,4 +2013,18 @@
 
 	SOF_TIMESTAMPING_LAST = 0x4000
 	SOF_TIMESTAMPING_MASK = 0x7fff
+
+	SCM_TSTAMP_SND   = 0x0
+	SCM_TSTAMP_SCHED = 0x1
+	SCM_TSTAMP_ACK   = 0x2
 )
+
+type SockExtendedErr struct {
+	Errno  uint32
+	Origin uint8
+	Type   uint8
+	Code   uint8
+	Pad    uint8
+	Info   uint32
+	Data   uint32
+}
diff --git a/vendor/golang.org/x/sys/unix/ztypes_netbsd_arm64.go b/vendor/golang.org/x/sys/unix/ztypes_netbsd_arm64.go
new file mode 100644
index 0000000..43da2c4
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/ztypes_netbsd_arm64.go
@@ -0,0 +1,472 @@
+// cgo -godefs types_netbsd.go | go run mkpost.go
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build arm64,netbsd
+
+package unix
+
+const (
+	SizeofPtr      = 0x8
+	SizeofShort    = 0x2
+	SizeofInt      = 0x4
+	SizeofLong     = 0x8
+	SizeofLongLong = 0x8
+)
+
+type (
+	_C_short     int16
+	_C_int       int32
+	_C_long      int64
+	_C_long_long int64
+)
+
+type Timespec struct {
+	Sec  int64
+	Nsec int64
+}
+
+type Timeval struct {
+	Sec       int64
+	Usec      int32
+	Pad_cgo_0 [4]byte
+}
+
+type Rusage struct {
+	Utime    Timeval
+	Stime    Timeval
+	Maxrss   int64
+	Ixrss    int64
+	Idrss    int64
+	Isrss    int64
+	Minflt   int64
+	Majflt   int64
+	Nswap    int64
+	Inblock  int64
+	Oublock  int64
+	Msgsnd   int64
+	Msgrcv   int64
+	Nsignals int64
+	Nvcsw    int64
+	Nivcsw   int64
+}
+
+type Rlimit struct {
+	Cur uint64
+	Max uint64
+}
+
+type _Gid_t uint32
+
+type Stat_t struct {
+	Dev           uint64
+	Mode          uint32
+	Pad_cgo_0     [4]byte
+	Ino           uint64
+	Nlink         uint32
+	Uid           uint32
+	Gid           uint32
+	Pad_cgo_1     [4]byte
+	Rdev          uint64
+	Atimespec     Timespec
+	Mtimespec     Timespec
+	Ctimespec     Timespec
+	Birthtimespec Timespec
+	Size          int64
+	Blocks        int64
+	Blksize       uint32
+	Flags         uint32
+	Gen           uint32
+	Spare         [2]uint32
+	Pad_cgo_2     [4]byte
+}
+
+type Statfs_t [0]byte
+
+type Flock_t struct {
+	Start  int64
+	Len    int64
+	Pid    int32
+	Type   int16
+	Whence int16
+}
+
+type Dirent struct {
+	Fileno    uint64
+	Reclen    uint16
+	Namlen    uint16
+	Type      uint8
+	Name      [512]int8
+	Pad_cgo_0 [3]byte
+}
+
+type Fsid struct {
+	X__fsid_val [2]int32
+}
+
+const (
+	PathMax = 0x400
+)
+
+const (
+	FADV_NORMAL     = 0x0
+	FADV_RANDOM     = 0x1
+	FADV_SEQUENTIAL = 0x2
+	FADV_WILLNEED   = 0x3
+	FADV_DONTNEED   = 0x4
+	FADV_NOREUSE    = 0x5
+)
+
+type RawSockaddrInet4 struct {
+	Len    uint8
+	Family uint8
+	Port   uint16
+	Addr   [4]byte /* in_addr */
+	Zero   [8]int8
+}
+
+type RawSockaddrInet6 struct {
+	Len      uint8
+	Family   uint8
+	Port     uint16
+	Flowinfo uint32
+	Addr     [16]byte /* in6_addr */
+	Scope_id uint32
+}
+
+type RawSockaddrUnix struct {
+	Len    uint8
+	Family uint8
+	Path   [104]int8
+}
+
+type RawSockaddrDatalink struct {
+	Len    uint8
+	Family uint8
+	Index  uint16
+	Type   uint8
+	Nlen   uint8
+	Alen   uint8
+	Slen   uint8
+	Data   [12]int8
+}
+
+type RawSockaddr struct {
+	Len    uint8
+	Family uint8
+	Data   [14]int8
+}
+
+type RawSockaddrAny struct {
+	Addr RawSockaddr
+	Pad  [92]int8
+}
+
+type _Socklen uint32
+
+type Linger struct {
+	Onoff  int32
+	Linger int32
+}
+
+type Iovec struct {
+	Base *byte
+	Len  uint64
+}
+
+type IPMreq struct {
+	Multiaddr [4]byte /* in_addr */
+	Interface [4]byte /* in_addr */
+}
+
+type IPv6Mreq struct {
+	Multiaddr [16]byte /* in6_addr */
+	Interface uint32
+}
+
+type Msghdr struct {
+	Name       *byte
+	Namelen    uint32
+	Pad_cgo_0  [4]byte
+	Iov        *Iovec
+	Iovlen     int32
+	Pad_cgo_1  [4]byte
+	Control    *byte
+	Controllen uint32
+	Flags      int32
+}
+
+type Cmsghdr struct {
+	Len   uint32
+	Level int32
+	Type  int32
+}
+
+type Inet6Pktinfo struct {
+	Addr    [16]byte /* in6_addr */
+	Ifindex uint32
+}
+
+type IPv6MTUInfo struct {
+	Addr RawSockaddrInet6
+	Mtu  uint32
+}
+
+type ICMPv6Filter struct {
+	Filt [8]uint32
+}
+
+const (
+	SizeofSockaddrInet4    = 0x10
+	SizeofSockaddrInet6    = 0x1c
+	SizeofSockaddrAny      = 0x6c
+	SizeofSockaddrUnix     = 0x6a
+	SizeofSockaddrDatalink = 0x14
+	SizeofLinger           = 0x8
+	SizeofIPMreq           = 0x8
+	SizeofIPv6Mreq         = 0x14
+	SizeofMsghdr           = 0x30
+	SizeofCmsghdr          = 0xc
+	SizeofInet6Pktinfo     = 0x14
+	SizeofIPv6MTUInfo      = 0x20
+	SizeofICMPv6Filter     = 0x20
+)
+
+const (
+	PTRACE_TRACEME = 0x0
+	PTRACE_CONT    = 0x7
+	PTRACE_KILL    = 0x8
+)
+
+type Kevent_t struct {
+	Ident     uint64
+	Filter    uint32
+	Flags     uint32
+	Fflags    uint32
+	Pad_cgo_0 [4]byte
+	Data      int64
+	Udata     int64
+}
+
+type FdSet struct {
+	Bits [8]uint32
+}
+
+const (
+	SizeofIfMsghdr         = 0x98
+	SizeofIfData           = 0x88
+	SizeofIfaMsghdr        = 0x18
+	SizeofIfAnnounceMsghdr = 0x18
+	SizeofRtMsghdr         = 0x78
+	SizeofRtMetrics        = 0x50
+)
+
+type IfMsghdr struct {
+	Msglen    uint16
+	Version   uint8
+	Type      uint8
+	Addrs     int32
+	Flags     int32
+	Index     uint16
+	Pad_cgo_0 [2]byte
+	Data      IfData
+}
+
+type IfData struct {
+	Type       uint8
+	Addrlen    uint8
+	Hdrlen     uint8
+	Pad_cgo_0  [1]byte
+	Link_state int32
+	Mtu        uint64
+	Metric     uint64
+	Baudrate   uint64
+	Ipackets   uint64
+	Ierrors    uint64
+	Opackets   uint64
+	Oerrors    uint64
+	Collisions uint64
+	Ibytes     uint64
+	Obytes     uint64
+	Imcasts    uint64
+	Omcasts    uint64
+	Iqdrops    uint64
+	Noproto    uint64
+	Lastchange Timespec
+}
+
+type IfaMsghdr struct {
+	Msglen    uint16
+	Version   uint8
+	Type      uint8
+	Addrs     int32
+	Flags     int32
+	Metric    int32
+	Index     uint16
+	Pad_cgo_0 [6]byte
+}
+
+type IfAnnounceMsghdr struct {
+	Msglen  uint16
+	Version uint8
+	Type    uint8
+	Index   uint16
+	Name    [16]int8
+	What    uint16
+}
+
+type RtMsghdr struct {
+	Msglen    uint16
+	Version   uint8
+	Type      uint8
+	Index     uint16
+	Pad_cgo_0 [2]byte
+	Flags     int32
+	Addrs     int32
+	Pid       int32
+	Seq       int32
+	Errno     int32
+	Use       int32
+	Inits     int32
+	Pad_cgo_1 [4]byte
+	Rmx       RtMetrics
+}
+
+type RtMetrics struct {
+	Locks    uint64
+	Mtu      uint64
+	Hopcount uint64
+	Recvpipe uint64
+	Sendpipe uint64
+	Ssthresh uint64
+	Rtt      uint64
+	Rttvar   uint64
+	Expire   int64
+	Pksent   int64
+}
+
+type Mclpool [0]byte
+
+const (
+	SizeofBpfVersion = 0x4
+	SizeofBpfStat    = 0x80
+	SizeofBpfProgram = 0x10
+	SizeofBpfInsn    = 0x8
+	SizeofBpfHdr     = 0x20
+)
+
+type BpfVersion struct {
+	Major uint16
+	Minor uint16
+}
+
+type BpfStat struct {
+	Recv    uint64
+	Drop    uint64
+	Capt    uint64
+	Padding [13]uint64
+}
+
+type BpfProgram struct {
+	Len       uint32
+	Pad_cgo_0 [4]byte
+	Insns     *BpfInsn
+}
+
+type BpfInsn struct {
+	Code uint16
+	Jt   uint8
+	Jf   uint8
+	K    uint32
+}
+
+type BpfHdr struct {
+	Tstamp    BpfTimeval
+	Caplen    uint32
+	Datalen   uint32
+	Hdrlen    uint16
+	Pad_cgo_0 [6]byte
+}
+
+type BpfTimeval struct {
+	Sec  int64
+	Usec int64
+}
+
+type Termios struct {
+	Iflag  uint32
+	Oflag  uint32
+	Cflag  uint32
+	Lflag  uint32
+	Cc     [20]uint8
+	Ispeed int32
+	Ospeed int32
+}
+
+type Winsize struct {
+	Row    uint16
+	Col    uint16
+	Xpixel uint16
+	Ypixel uint16
+}
+
+type Ptmget struct {
+	Cfd int32
+	Sfd int32
+	Cn  [1024]byte
+	Sn  [1024]byte
+}
+
+const (
+	AT_FDCWD            = -0x64
+	AT_SYMLINK_NOFOLLOW = 0x200
+)
+
+type PollFd struct {
+	Fd      int32
+	Events  int16
+	Revents int16
+}
+
+const (
+	POLLERR    = 0x8
+	POLLHUP    = 0x10
+	POLLIN     = 0x1
+	POLLNVAL   = 0x20
+	POLLOUT    = 0x4
+	POLLPRI    = 0x2
+	POLLRDBAND = 0x80
+	POLLRDNORM = 0x40
+	POLLWRBAND = 0x100
+	POLLWRNORM = 0x4
+)
+
+type Sysctlnode struct {
+	Flags           uint32
+	Num             int32
+	Name            [32]int8
+	Ver             uint32
+	X__rsvd         uint32
+	Un              [16]byte
+	X_sysctl_size   [8]byte
+	X_sysctl_func   [8]byte
+	X_sysctl_parent [8]byte
+	X_sysctl_desc   [8]byte
+}
+
+type Utsname struct {
+	Sysname  [256]byte
+	Nodename [256]byte
+	Release  [256]byte
+	Version  [256]byte
+	Machine  [256]byte
+}
+
+const SizeofClockinfo = 0x14
+
+type Clockinfo struct {
+	Hz      int32
+	Tick    int32
+	Tickadj int32
+	Stathz  int32
+	Profhz  int32
+}
diff --git a/vendor/golang.org/x/sys/windows/security_windows.go b/vendor/golang.org/x/sys/windows/security_windows.go
index 4f17a33..9f946da 100644
--- a/vendor/golang.org/x/sys/windows/security_windows.go
+++ b/vendor/golang.org/x/sys/windows/security_windows.go
@@ -149,7 +149,7 @@
 	DOMAIN_ALIAS_RID_REMOTE_DESKTOP_USERS           = 0x22b
 	DOMAIN_ALIAS_RID_NETWORK_CONFIGURATION_OPS      = 0x22c
 	DOMAIN_ALIAS_RID_INCOMING_FOREST_TRUST_BUILDERS = 0x22d
-	DOMAIN_ALIAS_RID_MONITORING_USERS               = 0X22e
+	DOMAIN_ALIAS_RID_MONITORING_USERS               = 0x22e
 	DOMAIN_ALIAS_RID_LOGGING_USERS                  = 0x22f
 	DOMAIN_ALIAS_RID_AUTHORIZATIONACCESS            = 0x230
 	DOMAIN_ALIAS_RID_TS_LICENSE_SERVERS             = 0x231
diff --git a/vendor/golang.org/x/sys/windows/syscall_windows.go b/vendor/golang.org/x/sys/windows/syscall_windows.go
index 8a00b71..f72fa55 100644
--- a/vendor/golang.org/x/sys/windows/syscall_windows.go
+++ b/vendor/golang.org/x/sys/windows/syscall_windows.go
@@ -172,6 +172,7 @@
 //sys	GetProcessTimes(handle Handle, creationTime *Filetime, exitTime *Filetime, kernelTime *Filetime, userTime *Filetime) (err error)
 //sys	DuplicateHandle(hSourceProcessHandle Handle, hSourceHandle Handle, hTargetProcessHandle Handle, lpTargetHandle *Handle, dwDesiredAccess uint32, bInheritHandle bool, dwOptions uint32) (err error)
 //sys	WaitForSingleObject(handle Handle, waitMilliseconds uint32) (event uint32, err error) [failretval==0xffffffff]
+//sys	waitForMultipleObjects(count uint32, handles uintptr, waitAll bool, waitMilliseconds uint32) (event uint32, err error) [failretval==0xffffffff] = WaitForMultipleObjects
 //sys	GetTempPath(buflen uint32, buf *uint16) (n uint32, err error) = GetTempPathW
 //sys	CreatePipe(readhandle *Handle, writehandle *Handle, sa *SecurityAttributes, size uint32) (err error)
 //sys	GetFileType(filehandle Handle) (n uint32, err error)
@@ -589,6 +590,18 @@
 	return procSetFileCompletionNotificationModes.Find()
 }
 
+func WaitForMultipleObjects(handles []Handle, waitAll bool, waitMilliseconds uint32) (event uint32, err error) {
+	// Every other win32 array API takes arguments as "pointer, count", except for this function. So we
+	// can't declare it as a usual [] type, because mksyscall will use the opposite order. We therefore
+	// trivially stub this ourselves.
+
+	var handlePtr *Handle
+	if len(handles) > 0 {
+		handlePtr = &handles[0]
+	}
+	return waitForMultipleObjects(uint32(len(handles)), uintptr(unsafe.Pointer(handlePtr)), waitAll, waitMilliseconds)
+}
+
 // net api calls
 
 const socket_error = uintptr(^uint32(0))
diff --git a/vendor/golang.org/x/sys/windows/zsyscall_windows.go b/vendor/golang.org/x/sys/windows/zsyscall_windows.go
index fc56aec..e4b54e2 100644
--- a/vendor/golang.org/x/sys/windows/zsyscall_windows.go
+++ b/vendor/golang.org/x/sys/windows/zsyscall_windows.go
@@ -112,6 +112,7 @@
 	procGetProcessTimes                    = modkernel32.NewProc("GetProcessTimes")
 	procDuplicateHandle                    = modkernel32.NewProc("DuplicateHandle")
 	procWaitForSingleObject                = modkernel32.NewProc("WaitForSingleObject")
+	procWaitForMultipleObjects             = modkernel32.NewProc("WaitForMultipleObjects")
 	procGetTempPathW                       = modkernel32.NewProc("GetTempPathW")
 	procCreatePipe                         = modkernel32.NewProc("CreatePipe")
 	procGetFileType                        = modkernel32.NewProc("GetFileType")
@@ -1084,6 +1085,25 @@
 	return
 }
 
+func waitForMultipleObjects(count uint32, handles uintptr, waitAll bool, waitMilliseconds uint32) (event uint32, err error) {
+	var _p0 uint32
+	if waitAll {
+		_p0 = 1
+	} else {
+		_p0 = 0
+	}
+	r0, _, e1 := syscall.Syscall6(procWaitForMultipleObjects.Addr(), 4, uintptr(count), uintptr(handles), uintptr(_p0), uintptr(waitMilliseconds), 0, 0)
+	event = uint32(r0)
+	if event == 0xffffffff {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
 func GetTempPath(buflen uint32, buf *uint16) (n uint32, err error) {
 	r0, _, e1 := syscall.Syscall(procGetTempPathW.Addr(), 2, uintptr(buflen), uintptr(unsafe.Pointer(buf)), 0)
 	n = uint32(r0)
diff --git a/vendor/google.golang.org/genproto/googleapis/api/annotations/annotations.pb.go b/vendor/google.golang.org/genproto/googleapis/api/annotations/annotations.pb.go
deleted file mode 100644
index 9521b50..0000000
--- a/vendor/google.golang.org/genproto/googleapis/api/annotations/annotations.pb.go
+++ /dev/null
@@ -1,54 +0,0 @@
-// Code generated by protoc-gen-go. DO NOT EDIT.
-// source: google/api/annotations.proto
-
-package annotations // import "google.golang.org/genproto/googleapis/api/annotations"
-
-import proto "github.com/golang/protobuf/proto"
-import fmt "fmt"
-import math "math"
-import descriptor "github.com/golang/protobuf/protoc-gen-go/descriptor"
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
-
-var E_Http = &proto.ExtensionDesc{
-	ExtendedType:  (*descriptor.MethodOptions)(nil),
-	ExtensionType: (*HttpRule)(nil),
-	Field:         72295728,
-	Name:          "google.api.http",
-	Tag:           "bytes,72295728,opt,name=http",
-	Filename:      "google/api/annotations.proto",
-}
-
-func init() {
-	proto.RegisterExtension(E_Http)
-}
-
-func init() {
-	proto.RegisterFile("google/api/annotations.proto", fileDescriptor_annotations_55609bb51d80951d)
-}
-
-var fileDescriptor_annotations_55609bb51d80951d = []byte{
-	// 208 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x92, 0x49, 0xcf, 0xcf, 0x4f,
-	0xcf, 0x49, 0xd5, 0x4f, 0x2c, 0xc8, 0xd4, 0x4f, 0xcc, 0xcb, 0xcb, 0x2f, 0x49, 0x2c, 0xc9, 0xcc,
-	0xcf, 0x2b, 0xd6, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17, 0xe2, 0x82, 0xc8, 0xea, 0x25, 0x16, 0x64,
-	0x4a, 0x89, 0x22, 0xa9, 0xcc, 0x28, 0x29, 0x29, 0x80, 0x28, 0x91, 0x52, 0x80, 0x0a, 0x83, 0x79,
-	0x49, 0xa5, 0x69, 0xfa, 0x29, 0xa9, 0xc5, 0xc9, 0x45, 0x99, 0x05, 0x25, 0xf9, 0x45, 0x10, 0x15,
-	0x56, 0xde, 0x5c, 0x2c, 0x20, 0xf5, 0x42, 0x72, 0x7a, 0x50, 0xd3, 0x60, 0x4a, 0xf5, 0x7c, 0x53,
-	0x4b, 0x32, 0xf2, 0x53, 0xfc, 0x0b, 0xc0, 0x56, 0x4a, 0x6c, 0x38, 0xb5, 0x47, 0x49, 0x81, 0x51,
-	0x83, 0xdb, 0x48, 0x44, 0x0f, 0x61, 0xad, 0x9e, 0x47, 0x49, 0x49, 0x41, 0x50, 0x69, 0x4e, 0x6a,
-	0x10, 0xd8, 0x10, 0xa7, 0x3c, 0x2e, 0xbe, 0xe4, 0xfc, 0x5c, 0x24, 0x05, 0x4e, 0x02, 0x8e, 0x08,
-	0x67, 0x07, 0x80, 0x4c, 0x0e, 0x60, 0x8c, 0x72, 0x84, 0xca, 0xa7, 0xe7, 0xe7, 0x24, 0xe6, 0xa5,
-	0xeb, 0xe5, 0x17, 0xa5, 0xeb, 0xa7, 0xa7, 0xe6, 0x81, 0xed, 0xd5, 0x87, 0x48, 0x25, 0x16, 0x64,
-	0x16, 0xa3, 0x7b, 0xda, 0x1a, 0x89, 0xbd, 0x88, 0x89, 0xc5, 0xdd, 0x31, 0xc0, 0x33, 0x89, 0x0d,
-	0xac, 0xc9, 0x18, 0x10, 0x00, 0x00, 0xff, 0xff, 0xe3, 0x29, 0x19, 0x62, 0x28, 0x01, 0x00, 0x00,
-}
diff --git a/vendor/google.golang.org/genproto/googleapis/api/annotations/http.pb.go b/vendor/google.golang.org/genproto/googleapis/api/annotations/http.pb.go
deleted file mode 100644
index 1a8a27b..0000000
--- a/vendor/google.golang.org/genproto/googleapis/api/annotations/http.pb.go
+++ /dev/null
@@ -1,688 +0,0 @@
-// Code generated by protoc-gen-go. DO NOT EDIT.
-// source: google/api/http.proto
-
-package annotations // import "google.golang.org/genproto/googleapis/api/annotations"
-
-import proto "github.com/golang/protobuf/proto"
-import fmt "fmt"
-import math "math"
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
-
-// Defines the HTTP configuration for an API service. It contains a list of
-// [HttpRule][google.api.HttpRule], each specifying the mapping of an RPC method
-// to one or more HTTP REST API methods.
-type Http struct {
-	// A list of HTTP configuration rules that apply to individual API methods.
-	//
-	// **NOTE:** All service configuration rules follow "last one wins" order.
-	Rules []*HttpRule `protobuf:"bytes,1,rep,name=rules,proto3" json:"rules,omitempty"`
-	// When set to true, URL path parmeters will be fully URI-decoded except in
-	// cases of single segment matches in reserved expansion, where "%2F" will be
-	// left encoded.
-	//
-	// The default behavior is to not decode RFC 6570 reserved characters in multi
-	// segment matches.
-	FullyDecodeReservedExpansion bool     `protobuf:"varint,2,opt,name=fully_decode_reserved_expansion,json=fullyDecodeReservedExpansion,proto3" json:"fully_decode_reserved_expansion,omitempty"`
-	XXX_NoUnkeyedLiteral         struct{} `json:"-"`
-	XXX_unrecognized             []byte   `json:"-"`
-	XXX_sizecache                int32    `json:"-"`
-}
-
-func (m *Http) Reset()         { *m = Http{} }
-func (m *Http) String() string { return proto.CompactTextString(m) }
-func (*Http) ProtoMessage()    {}
-func (*Http) Descriptor() ([]byte, []int) {
-	return fileDescriptor_http_e457621dddd7365b, []int{0}
-}
-func (m *Http) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Http.Unmarshal(m, b)
-}
-func (m *Http) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Http.Marshal(b, m, deterministic)
-}
-func (dst *Http) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Http.Merge(dst, src)
-}
-func (m *Http) XXX_Size() int {
-	return xxx_messageInfo_Http.Size(m)
-}
-func (m *Http) XXX_DiscardUnknown() {
-	xxx_messageInfo_Http.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Http proto.InternalMessageInfo
-
-func (m *Http) GetRules() []*HttpRule {
-	if m != nil {
-		return m.Rules
-	}
-	return nil
-}
-
-func (m *Http) GetFullyDecodeReservedExpansion() bool {
-	if m != nil {
-		return m.FullyDecodeReservedExpansion
-	}
-	return false
-}
-
-// `HttpRule` defines the mapping of an RPC method to one or more HTTP
-// REST API methods. The mapping specifies how different portions of the RPC
-// request message are mapped to URL path, URL query parameters, and
-// HTTP request body. The mapping is typically specified as an
-// `google.api.http` annotation on the RPC method,
-// see "google/api/annotations.proto" for details.
-//
-// The mapping consists of a field specifying the path template and
-// method kind.  The path template can refer to fields in the request
-// message, as in the example below which describes a REST GET
-// operation on a resource collection of messages:
-//
-//
-//     service Messaging {
-//       rpc GetMessage(GetMessageRequest) returns (Message) {
-//         option (google.api.http).get = "/v1/messages/{message_id}/{sub.subfield}";
-//       }
-//     }
-//     message GetMessageRequest {
-//       message SubMessage {
-//         string subfield = 1;
-//       }
-//       string message_id = 1; // mapped to the URL
-//       SubMessage sub = 2;    // `sub.subfield` is url-mapped
-//     }
-//     message Message {
-//       string text = 1; // content of the resource
-//     }
-//
-// The same http annotation can alternatively be expressed inside the
-// `GRPC API Configuration` YAML file.
-//
-//     http:
-//       rules:
-//         - selector: <proto_package_name>.Messaging.GetMessage
-//           get: /v1/messages/{message_id}/{sub.subfield}
-//
-// This definition enables an automatic, bidrectional mapping of HTTP
-// JSON to RPC. Example:
-//
-// HTTP | RPC
-// -----|-----
-// `GET /v1/messages/123456/foo`  | `GetMessage(message_id: "123456" sub: SubMessage(subfield: "foo"))`
-//
-// In general, not only fields but also field paths can be referenced
-// from a path pattern. Fields mapped to the path pattern cannot be
-// repeated and must have a primitive (non-message) type.
-//
-// Any fields in the request message which are not bound by the path
-// pattern automatically become (optional) HTTP query
-// parameters. Assume the following definition of the request message:
-//
-//
-//     service Messaging {
-//       rpc GetMessage(GetMessageRequest) returns (Message) {
-//         option (google.api.http).get = "/v1/messages/{message_id}";
-//       }
-//     }
-//     message GetMessageRequest {
-//       message SubMessage {
-//         string subfield = 1;
-//       }
-//       string message_id = 1; // mapped to the URL
-//       int64 revision = 2;    // becomes a parameter
-//       SubMessage sub = 3;    // `sub.subfield` becomes a parameter
-//     }
-//
-//
-// This enables a HTTP JSON to RPC mapping as below:
-//
-// HTTP | RPC
-// -----|-----
-// `GET /v1/messages/123456?revision=2&sub.subfield=foo` | `GetMessage(message_id: "123456" revision: 2 sub: SubMessage(subfield: "foo"))`
-//
-// Note that fields which are mapped to HTTP parameters must have a
-// primitive type or a repeated primitive type. Message types are not
-// allowed. In the case of a repeated type, the parameter can be
-// repeated in the URL, as in `...?param=A&param=B`.
-//
-// For HTTP method kinds which allow a request body, the `body` field
-// specifies the mapping. Consider a REST update method on the
-// message resource collection:
-//
-//
-//     service Messaging {
-//       rpc UpdateMessage(UpdateMessageRequest) returns (Message) {
-//         option (google.api.http) = {
-//           put: "/v1/messages/{message_id}"
-//           body: "message"
-//         };
-//       }
-//     }
-//     message UpdateMessageRequest {
-//       string message_id = 1; // mapped to the URL
-//       Message message = 2;   // mapped to the body
-//     }
-//
-//
-// The following HTTP JSON to RPC mapping is enabled, where the
-// representation of the JSON in the request body is determined by
-// protos JSON encoding:
-//
-// HTTP | RPC
-// -----|-----
-// `PUT /v1/messages/123456 { "text": "Hi!" }` | `UpdateMessage(message_id: "123456" message { text: "Hi!" })`
-//
-// The special name `*` can be used in the body mapping to define that
-// every field not bound by the path template should be mapped to the
-// request body.  This enables the following alternative definition of
-// the update method:
-//
-//     service Messaging {
-//       rpc UpdateMessage(Message) returns (Message) {
-//         option (google.api.http) = {
-//           put: "/v1/messages/{message_id}"
-//           body: "*"
-//         };
-//       }
-//     }
-//     message Message {
-//       string message_id = 1;
-//       string text = 2;
-//     }
-//
-//
-// The following HTTP JSON to RPC mapping is enabled:
-//
-// HTTP | RPC
-// -----|-----
-// `PUT /v1/messages/123456 { "text": "Hi!" }` | `UpdateMessage(message_id: "123456" text: "Hi!")`
-//
-// Note that when using `*` in the body mapping, it is not possible to
-// have HTTP parameters, as all fields not bound by the path end in
-// the body. This makes this option more rarely used in practice of
-// defining REST APIs. The common usage of `*` is in custom methods
-// which don't use the URL at all for transferring data.
-//
-// It is possible to define multiple HTTP methods for one RPC by using
-// the `additional_bindings` option. Example:
-//
-//     service Messaging {
-//       rpc GetMessage(GetMessageRequest) returns (Message) {
-//         option (google.api.http) = {
-//           get: "/v1/messages/{message_id}"
-//           additional_bindings {
-//             get: "/v1/users/{user_id}/messages/{message_id}"
-//           }
-//         };
-//       }
-//     }
-//     message GetMessageRequest {
-//       string message_id = 1;
-//       string user_id = 2;
-//     }
-//
-//
-// This enables the following two alternative HTTP JSON to RPC
-// mappings:
-//
-// HTTP | RPC
-// -----|-----
-// `GET /v1/messages/123456` | `GetMessage(message_id: "123456")`
-// `GET /v1/users/me/messages/123456` | `GetMessage(user_id: "me" message_id: "123456")`
-//
-// # Rules for HTTP mapping
-//
-// The rules for mapping HTTP path, query parameters, and body fields
-// to the request message are as follows:
-//
-// 1. The `body` field specifies either `*` or a field path, or is
-//    omitted. If omitted, it indicates there is no HTTP request body.
-// 2. Leaf fields (recursive expansion of nested messages in the
-//    request) can be classified into three types:
-//     (a) Matched in the URL template.
-//     (b) Covered by body (if body is `*`, everything except (a) fields;
-//         else everything under the body field)
-//     (c) All other fields.
-// 3. URL query parameters found in the HTTP request are mapped to (c) fields.
-// 4. Any body sent with an HTTP request can contain only (b) fields.
-//
-// The syntax of the path template is as follows:
-//
-//     Template = "/" Segments [ Verb ] ;
-//     Segments = Segment { "/" Segment } ;
-//     Segment  = "*" | "**" | LITERAL | Variable ;
-//     Variable = "{" FieldPath [ "=" Segments ] "}" ;
-//     FieldPath = IDENT { "." IDENT } ;
-//     Verb     = ":" LITERAL ;
-//
-// The syntax `*` matches a single path segment. The syntax `**` matches zero
-// or more path segments, which must be the last part of the path except the
-// `Verb`. The syntax `LITERAL` matches literal text in the path.
-//
-// The syntax `Variable` matches part of the URL path as specified by its
-// template. A variable template must not contain other variables. If a variable
-// matches a single path segment, its template may be omitted, e.g. `{var}`
-// is equivalent to `{var=*}`.
-//
-// If a variable contains exactly one path segment, such as `"{var}"` or
-// `"{var=*}"`, when such a variable is expanded into a URL path, all characters
-// except `[-_.~0-9a-zA-Z]` are percent-encoded. Such variables show up in the
-// Discovery Document as `{var}`.
-//
-// If a variable contains one or more path segments, such as `"{var=foo/*}"`
-// or `"{var=**}"`, when such a variable is expanded into a URL path, all
-// characters except `[-_.~/0-9a-zA-Z]` are percent-encoded. Such variables
-// show up in the Discovery Document as `{+var}`.
-//
-// NOTE: While the single segment variable matches the semantics of
-// [RFC 6570](https://tools.ietf.org/html/rfc6570) Section 3.2.2
-// Simple String Expansion, the multi segment variable **does not** match
-// RFC 6570 Reserved Expansion. The reason is that the Reserved Expansion
-// does not expand special characters like `?` and `#`, which would lead
-// to invalid URLs.
-//
-// NOTE: the field paths in variables and in the `body` must not refer to
-// repeated fields or map fields.
-type HttpRule struct {
-	// Selects methods to which this rule applies.
-	//
-	// Refer to [selector][google.api.DocumentationRule.selector] for syntax details.
-	Selector string `protobuf:"bytes,1,opt,name=selector,proto3" json:"selector,omitempty"`
-	// Determines the URL pattern is matched by this rules. This pattern can be
-	// used with any of the {get|put|post|delete|patch} methods. A custom method
-	// can be defined using the 'custom' field.
-	//
-	// Types that are valid to be assigned to Pattern:
-	//	*HttpRule_Get
-	//	*HttpRule_Put
-	//	*HttpRule_Post
-	//	*HttpRule_Delete
-	//	*HttpRule_Patch
-	//	*HttpRule_Custom
-	Pattern isHttpRule_Pattern `protobuf_oneof:"pattern"`
-	// The name of the request field whose value is mapped to the HTTP body, or
-	// `*` for mapping all fields not captured by the path pattern to the HTTP
-	// body. NOTE: the referred field must not be a repeated field and must be
-	// present at the top-level of request message type.
-	Body string `protobuf:"bytes,7,opt,name=body,proto3" json:"body,omitempty"`
-	// Optional. The name of the response field whose value is mapped to the HTTP
-	// body of response. Other response fields are ignored. When
-	// not set, the response message will be used as HTTP body of response.
-	ResponseBody string `protobuf:"bytes,12,opt,name=response_body,json=responseBody,proto3" json:"response_body,omitempty"`
-	// Additional HTTP bindings for the selector. Nested bindings must
-	// not contain an `additional_bindings` field themselves (that is,
-	// the nesting may only be one level deep).
-	AdditionalBindings   []*HttpRule `protobuf:"bytes,11,rep,name=additional_bindings,json=additionalBindings,proto3" json:"additional_bindings,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}    `json:"-"`
-	XXX_unrecognized     []byte      `json:"-"`
-	XXX_sizecache        int32       `json:"-"`
-}
-
-func (m *HttpRule) Reset()         { *m = HttpRule{} }
-func (m *HttpRule) String() string { return proto.CompactTextString(m) }
-func (*HttpRule) ProtoMessage()    {}
-func (*HttpRule) Descriptor() ([]byte, []int) {
-	return fileDescriptor_http_e457621dddd7365b, []int{1}
-}
-func (m *HttpRule) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_HttpRule.Unmarshal(m, b)
-}
-func (m *HttpRule) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_HttpRule.Marshal(b, m, deterministic)
-}
-func (dst *HttpRule) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_HttpRule.Merge(dst, src)
-}
-func (m *HttpRule) XXX_Size() int {
-	return xxx_messageInfo_HttpRule.Size(m)
-}
-func (m *HttpRule) XXX_DiscardUnknown() {
-	xxx_messageInfo_HttpRule.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_HttpRule proto.InternalMessageInfo
-
-func (m *HttpRule) GetSelector() string {
-	if m != nil {
-		return m.Selector
-	}
-	return ""
-}
-
-type isHttpRule_Pattern interface {
-	isHttpRule_Pattern()
-}
-
-type HttpRule_Get struct {
-	Get string `protobuf:"bytes,2,opt,name=get,proto3,oneof"`
-}
-
-type HttpRule_Put struct {
-	Put string `protobuf:"bytes,3,opt,name=put,proto3,oneof"`
-}
-
-type HttpRule_Post struct {
-	Post string `protobuf:"bytes,4,opt,name=post,proto3,oneof"`
-}
-
-type HttpRule_Delete struct {
-	Delete string `protobuf:"bytes,5,opt,name=delete,proto3,oneof"`
-}
-
-type HttpRule_Patch struct {
-	Patch string `protobuf:"bytes,6,opt,name=patch,proto3,oneof"`
-}
-
-type HttpRule_Custom struct {
-	Custom *CustomHttpPattern `protobuf:"bytes,8,opt,name=custom,proto3,oneof"`
-}
-
-func (*HttpRule_Get) isHttpRule_Pattern() {}
-
-func (*HttpRule_Put) isHttpRule_Pattern() {}
-
-func (*HttpRule_Post) isHttpRule_Pattern() {}
-
-func (*HttpRule_Delete) isHttpRule_Pattern() {}
-
-func (*HttpRule_Patch) isHttpRule_Pattern() {}
-
-func (*HttpRule_Custom) isHttpRule_Pattern() {}
-
-func (m *HttpRule) GetPattern() isHttpRule_Pattern {
-	if m != nil {
-		return m.Pattern
-	}
-	return nil
-}
-
-func (m *HttpRule) GetGet() string {
-	if x, ok := m.GetPattern().(*HttpRule_Get); ok {
-		return x.Get
-	}
-	return ""
-}
-
-func (m *HttpRule) GetPut() string {
-	if x, ok := m.GetPattern().(*HttpRule_Put); ok {
-		return x.Put
-	}
-	return ""
-}
-
-func (m *HttpRule) GetPost() string {
-	if x, ok := m.GetPattern().(*HttpRule_Post); ok {
-		return x.Post
-	}
-	return ""
-}
-
-func (m *HttpRule) GetDelete() string {
-	if x, ok := m.GetPattern().(*HttpRule_Delete); ok {
-		return x.Delete
-	}
-	return ""
-}
-
-func (m *HttpRule) GetPatch() string {
-	if x, ok := m.GetPattern().(*HttpRule_Patch); ok {
-		return x.Patch
-	}
-	return ""
-}
-
-func (m *HttpRule) GetCustom() *CustomHttpPattern {
-	if x, ok := m.GetPattern().(*HttpRule_Custom); ok {
-		return x.Custom
-	}
-	return nil
-}
-
-func (m *HttpRule) GetBody() string {
-	if m != nil {
-		return m.Body
-	}
-	return ""
-}
-
-func (m *HttpRule) GetResponseBody() string {
-	if m != nil {
-		return m.ResponseBody
-	}
-	return ""
-}
-
-func (m *HttpRule) GetAdditionalBindings() []*HttpRule {
-	if m != nil {
-		return m.AdditionalBindings
-	}
-	return nil
-}
-
-// XXX_OneofFuncs is for the internal use of the proto package.
-func (*HttpRule) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
-	return _HttpRule_OneofMarshaler, _HttpRule_OneofUnmarshaler, _HttpRule_OneofSizer, []interface{}{
-		(*HttpRule_Get)(nil),
-		(*HttpRule_Put)(nil),
-		(*HttpRule_Post)(nil),
-		(*HttpRule_Delete)(nil),
-		(*HttpRule_Patch)(nil),
-		(*HttpRule_Custom)(nil),
-	}
-}
-
-func _HttpRule_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
-	m := msg.(*HttpRule)
-	// pattern
-	switch x := m.Pattern.(type) {
-	case *HttpRule_Get:
-		b.EncodeVarint(2<<3 | proto.WireBytes)
-		b.EncodeStringBytes(x.Get)
-	case *HttpRule_Put:
-		b.EncodeVarint(3<<3 | proto.WireBytes)
-		b.EncodeStringBytes(x.Put)
-	case *HttpRule_Post:
-		b.EncodeVarint(4<<3 | proto.WireBytes)
-		b.EncodeStringBytes(x.Post)
-	case *HttpRule_Delete:
-		b.EncodeVarint(5<<3 | proto.WireBytes)
-		b.EncodeStringBytes(x.Delete)
-	case *HttpRule_Patch:
-		b.EncodeVarint(6<<3 | proto.WireBytes)
-		b.EncodeStringBytes(x.Patch)
-	case *HttpRule_Custom:
-		b.EncodeVarint(8<<3 | proto.WireBytes)
-		if err := b.EncodeMessage(x.Custom); err != nil {
-			return err
-		}
-	case nil:
-	default:
-		return fmt.Errorf("HttpRule.Pattern has unexpected type %T", x)
-	}
-	return nil
-}
-
-func _HttpRule_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error) {
-	m := msg.(*HttpRule)
-	switch tag {
-	case 2: // pattern.get
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		x, err := b.DecodeStringBytes()
-		m.Pattern = &HttpRule_Get{x}
-		return true, err
-	case 3: // pattern.put
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		x, err := b.DecodeStringBytes()
-		m.Pattern = &HttpRule_Put{x}
-		return true, err
-	case 4: // pattern.post
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		x, err := b.DecodeStringBytes()
-		m.Pattern = &HttpRule_Post{x}
-		return true, err
-	case 5: // pattern.delete
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		x, err := b.DecodeStringBytes()
-		m.Pattern = &HttpRule_Delete{x}
-		return true, err
-	case 6: // pattern.patch
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		x, err := b.DecodeStringBytes()
-		m.Pattern = &HttpRule_Patch{x}
-		return true, err
-	case 8: // pattern.custom
-		if wire != proto.WireBytes {
-			return true, proto.ErrInternalBadWireType
-		}
-		msg := new(CustomHttpPattern)
-		err := b.DecodeMessage(msg)
-		m.Pattern = &HttpRule_Custom{msg}
-		return true, err
-	default:
-		return false, nil
-	}
-}
-
-func _HttpRule_OneofSizer(msg proto.Message) (n int) {
-	m := msg.(*HttpRule)
-	// pattern
-	switch x := m.Pattern.(type) {
-	case *HttpRule_Get:
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(len(x.Get)))
-		n += len(x.Get)
-	case *HttpRule_Put:
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(len(x.Put)))
-		n += len(x.Put)
-	case *HttpRule_Post:
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(len(x.Post)))
-		n += len(x.Post)
-	case *HttpRule_Delete:
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(len(x.Delete)))
-		n += len(x.Delete)
-	case *HttpRule_Patch:
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(len(x.Patch)))
-		n += len(x.Patch)
-	case *HttpRule_Custom:
-		s := proto.Size(x.Custom)
-		n += 1 // tag and wire
-		n += proto.SizeVarint(uint64(s))
-		n += s
-	case nil:
-	default:
-		panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
-	}
-	return n
-}
-
-// A custom pattern is used for defining custom HTTP verb.
-type CustomHttpPattern struct {
-	// The name of this custom HTTP verb.
-	Kind string `protobuf:"bytes,1,opt,name=kind,proto3" json:"kind,omitempty"`
-	// The path matched by this custom verb.
-	Path                 string   `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *CustomHttpPattern) Reset()         { *m = CustomHttpPattern{} }
-func (m *CustomHttpPattern) String() string { return proto.CompactTextString(m) }
-func (*CustomHttpPattern) ProtoMessage()    {}
-func (*CustomHttpPattern) Descriptor() ([]byte, []int) {
-	return fileDescriptor_http_e457621dddd7365b, []int{2}
-}
-func (m *CustomHttpPattern) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_CustomHttpPattern.Unmarshal(m, b)
-}
-func (m *CustomHttpPattern) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_CustomHttpPattern.Marshal(b, m, deterministic)
-}
-func (dst *CustomHttpPattern) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_CustomHttpPattern.Merge(dst, src)
-}
-func (m *CustomHttpPattern) XXX_Size() int {
-	return xxx_messageInfo_CustomHttpPattern.Size(m)
-}
-func (m *CustomHttpPattern) XXX_DiscardUnknown() {
-	xxx_messageInfo_CustomHttpPattern.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_CustomHttpPattern proto.InternalMessageInfo
-
-func (m *CustomHttpPattern) GetKind() string {
-	if m != nil {
-		return m.Kind
-	}
-	return ""
-}
-
-func (m *CustomHttpPattern) GetPath() string {
-	if m != nil {
-		return m.Path
-	}
-	return ""
-}
-
-func init() {
-	proto.RegisterType((*Http)(nil), "google.api.Http")
-	proto.RegisterType((*HttpRule)(nil), "google.api.HttpRule")
-	proto.RegisterType((*CustomHttpPattern)(nil), "google.api.CustomHttpPattern")
-}
-
-func init() { proto.RegisterFile("google/api/http.proto", fileDescriptor_http_e457621dddd7365b) }
-
-var fileDescriptor_http_e457621dddd7365b = []byte{
-	// 419 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0x92, 0xc1, 0x8e, 0xd3, 0x30,
-	0x10, 0x86, 0x49, 0x9b, 0x76, 0xdb, 0xe9, 0x82, 0x84, 0x59, 0x90, 0x85, 0x40, 0x54, 0xe5, 0x52,
-	0x71, 0x48, 0xa5, 0xe5, 0xc0, 0x61, 0x4f, 0x1b, 0xa8, 0x58, 0x6e, 0x55, 0x8e, 0x5c, 0x22, 0x37,
-	0x1e, 0x52, 0x83, 0xd7, 0xb6, 0xe2, 0x09, 0xa2, 0xaf, 0xc3, 0x63, 0xf1, 0x24, 0x1c, 0x91, 0x9d,
-	0x84, 0x56, 0x42, 0xe2, 0x36, 0xf3, 0xff, 0x9f, 0xa7, 0x7f, 0x27, 0x03, 0x4f, 0x6b, 0x6b, 0x6b,
-	0x8d, 0x1b, 0xe1, 0xd4, 0xe6, 0x40, 0xe4, 0x32, 0xd7, 0x58, 0xb2, 0x0c, 0x3a, 0x39, 0x13, 0x4e,
-	0xad, 0x8e, 0x90, 0xde, 0x11, 0x39, 0xf6, 0x06, 0x26, 0x4d, 0xab, 0xd1, 0xf3, 0x64, 0x39, 0x5e,
-	0x2f, 0xae, 0xaf, 0xb2, 0x13, 0x93, 0x05, 0xa0, 0x68, 0x35, 0x16, 0x1d, 0xc2, 0xb6, 0xf0, 0xea,
-	0x4b, 0xab, 0xf5, 0xb1, 0x94, 0x58, 0x59, 0x89, 0x65, 0x83, 0x1e, 0x9b, 0xef, 0x28, 0x4b, 0xfc,
-	0xe1, 0x84, 0xf1, 0xca, 0x1a, 0x3e, 0x5a, 0x26, 0xeb, 0x59, 0xf1, 0x22, 0x62, 0x1f, 0x22, 0x55,
-	0xf4, 0xd0, 0x76, 0x60, 0x56, 0xbf, 0x46, 0x30, 0x1b, 0x46, 0xb3, 0xe7, 0x30, 0xf3, 0xa8, 0xb1,
-	0x22, 0xdb, 0xf0, 0x64, 0x99, 0xac, 0xe7, 0xc5, 0xdf, 0x9e, 0x31, 0x18, 0xd7, 0x48, 0x71, 0xe6,
-	0xfc, 0xee, 0x41, 0x11, 0x9a, 0xa0, 0xb9, 0x96, 0xf8, 0x78, 0xd0, 0x5c, 0x4b, 0xec, 0x0a, 0x52,
-	0x67, 0x3d, 0xf1, 0xb4, 0x17, 0x63, 0xc7, 0x38, 0x4c, 0x25, 0x6a, 0x24, 0xe4, 0x93, 0x5e, 0xef,
-	0x7b, 0xf6, 0x0c, 0x26, 0x4e, 0x50, 0x75, 0xe0, 0xd3, 0xde, 0xe8, 0x5a, 0xf6, 0x0e, 0xa6, 0x55,
-	0xeb, 0xc9, 0xde, 0xf3, 0xd9, 0x32, 0x59, 0x2f, 0xae, 0x5f, 0x9e, 0x2f, 0xe3, 0x7d, 0x74, 0x42,
-	0xee, 0x9d, 0x20, 0xc2, 0xc6, 0x84, 0x81, 0x1d, 0xce, 0x18, 0xa4, 0x7b, 0x2b, 0x8f, 0xfc, 0x22,
-	0xfe, 0x81, 0x58, 0xb3, 0xd7, 0xf0, 0xb0, 0x41, 0xef, 0xac, 0xf1, 0x58, 0x46, 0xf3, 0x32, 0x9a,
-	0x97, 0x83, 0x98, 0x07, 0x68, 0x0b, 0x4f, 0x84, 0x94, 0x8a, 0x94, 0x35, 0x42, 0x97, 0x7b, 0x65,
-	0xa4, 0x32, 0xb5, 0xe7, 0x8b, 0xff, 0x7c, 0x0b, 0x76, 0x7a, 0x90, 0xf7, 0x7c, 0x3e, 0x87, 0x0b,
-	0xd7, 0x85, 0x5a, 0xdd, 0xc0, 0xe3, 0x7f, 0x92, 0x86, 0x7c, 0xdf, 0x94, 0x91, 0xfd, 0x82, 0x63,
-	0x1d, 0x34, 0x27, 0xe8, 0xd0, 0x6d, 0xb7, 0x88, 0x75, 0xfe, 0x15, 0x1e, 0x55, 0xf6, 0xfe, 0xec,
-	0x67, 0xf3, 0x79, 0x1c, 0x13, 0xae, 0x67, 0x97, 0x7c, 0xbe, 0xed, 0x8d, 0xda, 0x6a, 0x61, 0xea,
-	0xcc, 0x36, 0xf5, 0xa6, 0x46, 0x13, 0x6f, 0x6b, 0xd3, 0x59, 0xc2, 0x29, 0x1f, 0xaf, 0x4e, 0x18,
-	0x63, 0x49, 0x84, 0x98, 0xfe, 0xe6, 0xac, 0xfe, 0x9d, 0x24, 0x3f, 0x47, 0xe9, 0xc7, 0xdb, 0xdd,
-	0xa7, 0xfd, 0x34, 0xbe, 0x7b, 0xfb, 0x27, 0x00, 0x00, 0xff, 0xff, 0xae, 0xde, 0xa1, 0xd0, 0xac,
-	0x02, 0x00, 0x00,
-}
diff --git a/vendor/google.golang.org/grpc/balancer/balancer.go b/vendor/google.golang.org/grpc/balancer/balancer.go
index 1bf46aa..317c2e7 100644
--- a/vendor/google.golang.org/grpc/balancer/balancer.go
+++ b/vendor/google.golang.org/grpc/balancer/balancer.go
@@ -28,6 +28,7 @@
 
 	"google.golang.org/grpc/connectivity"
 	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/internal"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/resolver"
 )
@@ -47,6 +48,18 @@
 	m[strings.ToLower(b.Name())] = b
 }
 
+// unregisterForTesting deletes the balancer with the given name from the
+// balancer map.
+//
+// This function is not thread-safe.
+func unregisterForTesting(name string) {
+	delete(m, name)
+}
+
+func init() {
+	internal.BalancerUnregister = unregisterForTesting
+}
+
 // Get returns the resolver builder registered with the given name.
 // Note that the compare is done in a case-insenstive fashion.
 // If no builder is register with the name, nil will be returned.
diff --git a/vendor/google.golang.org/grpc/balancer/base/balancer.go b/vendor/google.golang.org/grpc/balancer/base/balancer.go
index 5f55b27..245785e 100644
--- a/vendor/google.golang.org/grpc/balancer/base/balancer.go
+++ b/vendor/google.golang.org/grpc/balancer/base/balancer.go
@@ -40,7 +40,7 @@
 
 		subConns: make(map[resolver.Address]balancer.SubConn),
 		scStates: make(map[balancer.SubConn]connectivity.State),
-		csEvltr:  &connectivityStateEvaluator{},
+		csEvltr:  &balancer.ConnectivityStateEvaluator{},
 		// Initialize picker to a picker that always return
 		// ErrNoSubConnAvailable, because when state of a SubConn changes, we
 		// may call UpdateBalancerState with this picker.
@@ -57,7 +57,7 @@
 	cc            balancer.ClientConn
 	pickerBuilder PickerBuilder
 
-	csEvltr *connectivityStateEvaluator
+	csEvltr *balancer.ConnectivityStateEvaluator
 	state   connectivity.State
 
 	subConns map[resolver.Address]balancer.SubConn
@@ -137,7 +137,7 @@
 	}
 
 	oldAggrState := b.state
-	b.state = b.csEvltr.recordTransition(oldS, s)
+	b.state = b.csEvltr.RecordTransition(oldS, s)
 
 	// Regenerate picker when one of the following happens:
 	//  - this sc became ready from not-ready
@@ -169,44 +169,3 @@
 func (p *errPicker) Pick(ctx context.Context, opts balancer.PickOptions) (balancer.SubConn, func(balancer.DoneInfo), error) {
 	return nil, nil, p.err
 }
-
-// connectivityStateEvaluator gets updated by addrConns when their
-// states transition, based on which it evaluates the state of
-// ClientConn.
-type connectivityStateEvaluator struct {
-	numReady            uint64 // Number of addrConns in ready state.
-	numConnecting       uint64 // Number of addrConns in connecting state.
-	numTransientFailure uint64 // Number of addrConns in transientFailure.
-}
-
-// recordTransition records state change happening in every subConn and based on
-// that it evaluates what aggregated state should be.
-// It can only transition between Ready, Connecting and TransientFailure. Other states,
-// Idle and Shutdown are transitioned into by ClientConn; in the beginning of the connection
-// before any subConn is created ClientConn is in idle state. In the end when ClientConn
-// closes it is in Shutdown state.
-//
-// recordTransition should only be called synchronously from the same goroutine.
-func (cse *connectivityStateEvaluator) recordTransition(oldState, newState connectivity.State) connectivity.State {
-	// Update counters.
-	for idx, state := range []connectivity.State{oldState, newState} {
-		updateVal := 2*uint64(idx) - 1 // -1 for oldState and +1 for new.
-		switch state {
-		case connectivity.Ready:
-			cse.numReady += updateVal
-		case connectivity.Connecting:
-			cse.numConnecting += updateVal
-		case connectivity.TransientFailure:
-			cse.numTransientFailure += updateVal
-		}
-	}
-
-	// Evaluate.
-	if cse.numReady > 0 {
-		return connectivity.Ready
-	}
-	if cse.numConnecting > 0 {
-		return connectivity.Connecting
-	}
-	return connectivity.TransientFailure
-}
diff --git a/vendor/google.golang.org/grpc/balancer_conn_wrappers.go b/vendor/google.golang.org/grpc/balancer_conn_wrappers.go
index 77b6847..7233ade 100644
--- a/vendor/google.golang.org/grpc/balancer_conn_wrappers.go
+++ b/vendor/google.golang.org/grpc/balancer_conn_wrappers.go
@@ -178,6 +178,28 @@
 }
 
 func (ccb *ccBalancerWrapper) handleResolvedAddrs(addrs []resolver.Address, err error) {
+	if ccb.cc.curBalancerName != grpclbName {
+		var containsGRPCLB bool
+		for _, a := range addrs {
+			if a.Type == resolver.GRPCLB {
+				containsGRPCLB = true
+				break
+			}
+		}
+		if containsGRPCLB {
+			// The current balancer is not grpclb, but addresses contain grpclb
+			// address. This means we failed to switch to grpclb, most likely
+			// because grpclb is not registered. Filter out all grpclb addresses
+			// from addrs before sending to balancer.
+			tempAddrs := make([]resolver.Address, 0, len(addrs))
+			for _, a := range addrs {
+				if a.Type != resolver.GRPCLB {
+					tempAddrs = append(tempAddrs, a)
+				}
+			}
+			addrs = tempAddrs
+		}
+	}
 	select {
 	case <-ccb.resolverUpdateCh:
 	default:
diff --git a/vendor/google.golang.org/grpc/balancer_v1_wrapper.go b/vendor/google.golang.org/grpc/balancer_v1_wrapper.go
index ca07c15..42b60fe 100644
--- a/vendor/google.golang.org/grpc/balancer_v1_wrapper.go
+++ b/vendor/google.golang.org/grpc/balancer_v1_wrapper.go
@@ -24,11 +24,9 @@
 	"sync"
 
 	"google.golang.org/grpc/balancer"
-	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/connectivity"
 	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/resolver"
-	"google.golang.org/grpc/status"
 )
 
 type balancerWrapperBuilder struct {
@@ -315,12 +313,12 @@
 			Metadata:   a.Metadata,
 		}]
 		if !ok && failfast {
-			return nil, nil, status.Errorf(codes.Unavailable, "there is no connection available")
+			return nil, nil, balancer.ErrTransientFailure
 		}
 		if s, ok := bw.connSt[sc]; failfast && (!ok || s.s != connectivity.Ready) {
 			// If the returned sc is not ready and RPC is failfast,
 			// return error, and this RPC will fail.
-			return nil, nil, status.Errorf(codes.Unavailable, "there is no connection available")
+			return nil, nil, balancer.ErrTransientFailure
 		}
 	}
 
diff --git a/vendor/google.golang.org/grpc/clientconn.go b/vendor/google.golang.org/grpc/clientconn.go
index 84b6dbe..56d0bf7 100644
--- a/vendor/google.golang.org/grpc/clientconn.go
+++ b/vendor/google.golang.org/grpc/clientconn.go
@@ -36,7 +36,6 @@
 	"google.golang.org/grpc/connectivity"
 	"google.golang.org/grpc/credentials"
 	"google.golang.org/grpc/grpclog"
-	"google.golang.org/grpc/internal"
 	"google.golang.org/grpc/internal/backoff"
 	"google.golang.org/grpc/internal/channelz"
 	"google.golang.org/grpc/internal/envconfig"
@@ -592,13 +591,12 @@
 // Caller needs to make sure len(addrs) > 0.
 func (cc *ClientConn) newAddrConn(addrs []resolver.Address, opts balancer.NewSubConnOptions) (*addrConn, error) {
 	ac := &addrConn{
-		cc:                  cc,
-		addrs:               addrs,
-		scopts:              opts,
-		dopts:               cc.dopts,
-		czData:              new(channelzData),
-		successfulHandshake: true, // make the first nextAddr() call _not_ move addrIdx up by 1
-		resetBackoff:        make(chan struct{}),
+		cc:           cc,
+		addrs:        addrs,
+		scopts:       opts,
+		dopts:        cc.dopts,
+		czData:       new(channelzData),
+		resetBackoff: make(chan struct{}),
 	}
 	ac.ctx, ac.cancel = context.WithCancel(cc.ctx)
 	// Track ac in cc. This needs to be done before any getTransport(...) is called.
@@ -680,11 +678,10 @@
 		return nil
 	}
 	ac.updateConnectivityState(connectivity.Connecting)
-	ac.cc.handleSubConnStateChange(ac.acbw, ac.state)
 	ac.mu.Unlock()
 
 	// Start a goroutine connecting to the server asynchronously.
-	go ac.resetTransport(false)
+	go ac.resetTransport()
 	return nil
 }
 
@@ -703,6 +700,12 @@
 		return true
 	}
 
+	// Unless we're busy reconnecting already, let's reconnect from the top of
+	// the list.
+	if ac.state != connectivity.Ready {
+		return false
+	}
+
 	var curAddrFound bool
 	for _, a := range addrs {
 		if reflect.DeepEqual(ac.curAddr, a) {
@@ -713,7 +716,6 @@
 	grpclog.Infof("addrConn: tryUpdateAddrs curAddrFound: %v", curAddrFound)
 	if curAddrFound {
 		ac.addrs = addrs
-		ac.addrIdx = 0 // Start reconnecting from beginning in the new list.
 	}
 
 	return curAddrFound
@@ -913,7 +915,6 @@
 	transport transport.ClientTransport // The current transport.
 
 	mu      sync.Mutex
-	addrIdx int                // The index in addrs list to start reconnecting from.
 	curAddr resolver.Address   // The current address.
 	addrs   []resolver.Address // All addresses that the resolver resolved to.
 
@@ -922,33 +923,30 @@
 
 	tearDownErr error // The reason this addrConn is torn down.
 
-	backoffIdx int
-	// backoffDeadline is the time until which resetTransport needs to
-	// wait before increasing backoffIdx count.
-	backoffDeadline time.Time
-	// connectDeadline is the time by which all connection
-	// negotiations must complete.
-	connectDeadline time.Time
-
+	backoffIdx   int // Needs to be stateful for resetConnectBackoff.
 	resetBackoff chan struct{}
 
-	channelzID int64 // channelz unique identification number
-	czData     *channelzData
-
-	successfulHandshake bool
-
+	channelzID         int64 // channelz unique identification number.
+	czData             *channelzData
 	healthCheckEnabled bool
 }
 
 // Note: this requires a lock on ac.mu.
 func (ac *addrConn) updateConnectivityState(s connectivity.State) {
+	if ac.state == s {
+		return
+	}
+
+	updateMsg := fmt.Sprintf("Subchannel Connectivity change to %v", s)
+	grpclog.Infof(updateMsg)
 	ac.state = s
 	if channelz.IsOn() {
 		channelz.AddTraceEvent(ac.channelzID, &channelz.TraceEventDesc{
-			Desc:     fmt.Sprintf("Subchannel Connectivity change to %v", s),
+			Desc:     updateMsg,
 			Severity: channelz.CtINFO,
 		})
 	}
+	ac.cc.handleSubConnStateChange(ac.acbw, s)
 }
 
 // adjustParams updates parameters used to create transports upon
@@ -965,173 +963,219 @@
 	}
 }
 
-// resetTransport makes sure that a healthy ac.transport exists.
-//
-// The transport will close itself when it encounters an error, or on GOAWAY, or on deadline waiting for handshake, or
-// when the clientconn is closed. Each iteration creating a new transport will try a different address that the balancer
-// assigned to the addrConn, until it has tried all addresses. Once it has tried all addresses, it will re-resolve to
-// get a new address list. If an error is received, the list is re-resolved and the next reset attempt will try from the
-// beginning. This method has backoff built in. The backoff amount starts at 0 and increases each time resolution occurs
-// (addresses are exhausted). The backoff amount is reset to 0 each time a handshake is received.
-//
-// If the DialOption WithWaitForHandshake was set, resetTransport returns successfully only after handshake is received.
-func (ac *addrConn) resetTransport(resolveNow bool) {
-	for {
-		// If this is the first in a line of resets, we want to resolve immediately. The only other time we
-		// want to reset is if we have tried all the addresses handed to us.
-		if resolveNow {
-			ac.mu.Lock()
+func (ac *addrConn) resetTransport() {
+	for i := 0; ; i++ {
+		tryNextAddrFromStart := grpcsync.NewEvent()
+
+		ac.mu.Lock()
+		if i > 0 {
 			ac.cc.resolveNow(resolver.ResolveNowOption{})
-			ac.mu.Unlock()
 		}
-
-		ac.mu.Lock()
-		if ac.state == connectivity.Shutdown {
-			ac.mu.Unlock()
-			return
-		}
-
-		// The transport that was used before is no longer viable.
-		ac.transport = nil
-		// If the connection is READY, a failure must have occurred.
-		// Otherwise, we'll consider this is a transient failure when:
-		//   We've exhausted all addresses
-		//   We're in CONNECTING
-		//   And it's not the very first addr to try TODO(deklerk) find a better way to do this than checking ac.successfulHandshake
-		if ac.state == connectivity.Ready || (ac.addrIdx == len(ac.addrs)-1 && ac.state == connectivity.Connecting && !ac.successfulHandshake) {
-			ac.updateConnectivityState(connectivity.TransientFailure)
-			ac.cc.handleSubConnStateChange(ac.acbw, ac.state)
-		}
-		ac.transport = nil
+		addrs := ac.addrs
+		backoffFor := ac.dopts.bs.Backoff(ac.backoffIdx)
 		ac.mu.Unlock()
 
-		if err := ac.nextAddr(); err != nil {
-			return
-		}
+	addrLoop:
+		for _, addr := range addrs {
+			ac.mu.Lock()
 
-		ac.mu.Lock()
-		if ac.state == connectivity.Shutdown {
-			ac.mu.Unlock()
-			return
-		}
-
-		backoffIdx := ac.backoffIdx
-		backoffFor := ac.dopts.bs.Backoff(backoffIdx)
-
-		// This will be the duration that dial gets to finish.
-		dialDuration := getMinConnectTimeout()
-		if backoffFor > dialDuration {
-			// Give dial more time as we keep failing to connect.
-			dialDuration = backoffFor
-		}
-		start := time.Now()
-		connectDeadline := start.Add(dialDuration)
-		ac.backoffDeadline = start.Add(backoffFor)
-		ac.connectDeadline = connectDeadline
-
-		ac.mu.Unlock()
-
-		ac.cc.mu.RLock()
-		ac.dopts.copts.KeepaliveParams = ac.cc.mkp
-		ac.cc.mu.RUnlock()
-
-		ac.mu.Lock()
-
-		if ac.state == connectivity.Shutdown {
-			ac.mu.Unlock()
-			return
-		}
-
-		if ac.state != connectivity.Connecting {
+			if ac.state == connectivity.Shutdown {
+				ac.mu.Unlock()
+				return
+			}
 			ac.updateConnectivityState(connectivity.Connecting)
-			ac.cc.handleSubConnStateChange(ac.acbw, ac.state)
+			ac.transport = nil
+			ac.mu.Unlock()
+
+			// This will be the duration that dial gets to finish.
+			dialDuration := getMinConnectTimeout()
+			if dialDuration < backoffFor {
+				// Give dial more time as we keep failing to connect.
+				dialDuration = backoffFor
+			}
+			connectDeadline := time.Now().Add(dialDuration)
+
+			ac.mu.Lock()
+			ac.cc.mu.RLock()
+			ac.dopts.copts.KeepaliveParams = ac.cc.mkp
+			ac.cc.mu.RUnlock()
+
+			if ac.state == connectivity.Shutdown {
+				ac.mu.Unlock()
+				return
+			}
+
+			copts := ac.dopts.copts
+			if ac.scopts.CredsBundle != nil {
+				copts.CredsBundle = ac.scopts.CredsBundle
+			}
+			hctx, hcancel := context.WithCancel(ac.ctx)
+			defer hcancel()
+			ac.mu.Unlock()
+
+			if channelz.IsOn() {
+				channelz.AddTraceEvent(ac.channelzID, &channelz.TraceEventDesc{
+					Desc:     fmt.Sprintf("Subchannel picks a new address %q to connect", addr.Addr),
+					Severity: channelz.CtINFO,
+				})
+			}
+
+			reconnect := grpcsync.NewEvent()
+			prefaceReceived := make(chan struct{})
+			newTr, err := ac.createTransport(addr, copts, connectDeadline, reconnect, prefaceReceived)
+			if err == nil {
+				ac.mu.Lock()
+				ac.curAddr = addr
+				ac.transport = newTr
+				ac.mu.Unlock()
+
+				healthCheckConfig := ac.cc.healthCheckConfig()
+				// LB channel health checking is only enabled when all the four requirements below are met:
+				// 1. it is not disabled by the user with the WithDisableHealthCheck DialOption,
+				// 2. the internal.HealthCheckFunc is set by importing the grpc/healthcheck package,
+				// 3. a service config with non-empty healthCheckConfig field is provided,
+				// 4. the current load balancer allows it.
+				healthcheckManagingState := false
+				if !ac.cc.dopts.disableHealthCheck && healthCheckConfig != nil && ac.scopts.HealthCheckEnabled {
+					if ac.cc.dopts.healthCheckFunc == nil {
+						// TODO: add a link to the health check doc in the error message.
+						grpclog.Error("the client side LB channel health check function has not been set.")
+					} else {
+						// TODO(deklerk) refactor to just return transport
+						go ac.startHealthCheck(hctx, newTr, addr, healthCheckConfig.ServiceName)
+						healthcheckManagingState = true
+					}
+				}
+				if !healthcheckManagingState {
+					ac.mu.Lock()
+					ac.updateConnectivityState(connectivity.Ready)
+					ac.mu.Unlock()
+				}
+			} else {
+				hcancel()
+				if err == errConnClosing {
+					return
+				}
+
+				if tryNextAddrFromStart.HasFired() {
+					break addrLoop
+				}
+				continue
+			}
+
+			ac.mu.Lock()
+			reqHandshake := ac.dopts.reqHandshake
+			ac.mu.Unlock()
+
+			<-reconnect.Done()
+			hcancel()
+
+			if reqHandshake == envconfig.RequireHandshakeHybrid {
+				// In RequireHandshakeHybrid mode, we must check to see whether
+				// server preface has arrived yet to decide whether to start
+				// reconnecting at the top of the list (server preface received)
+				// or continue with the next addr in the list as if the
+				// connection were not successful (server preface not received).
+				select {
+				case <-prefaceReceived:
+					// We received a server preface - huzzah! We consider this
+					// a success and restart from the top of the addr list.
+					ac.mu.Lock()
+					ac.backoffIdx = 0
+					ac.mu.Unlock()
+					break addrLoop
+				default:
+					// Despite having set state to READY, in hybrid mode we
+					// consider this a failure and continue connecting at the
+					// next addr in the list.
+					ac.mu.Lock()
+					if ac.state == connectivity.Shutdown {
+						ac.mu.Unlock()
+						return
+					}
+
+					ac.updateConnectivityState(connectivity.TransientFailure)
+					ac.mu.Unlock()
+
+					if tryNextAddrFromStart.HasFired() {
+						break addrLoop
+					}
+				}
+			} else {
+				// In RequireHandshakeOn mode, we would have already waited for
+				// the server preface, so we consider this a success and restart
+				// from the top of the addr list. In RequireHandshakeOff mode,
+				// we don't care to wait for the server preface before
+				// considering this a success, so we also restart from the top
+				// of the addr list.
+				ac.mu.Lock()
+				ac.backoffIdx = 0
+				ac.mu.Unlock()
+				break addrLoop
+			}
 		}
 
-		addr := ac.addrs[ac.addrIdx]
-		copts := ac.dopts.copts
-		if ac.scopts.CredsBundle != nil {
-			copts.CredsBundle = ac.scopts.CredsBundle
+		// After exhausting all addresses, or after need to reconnect after a
+		// READY, the addrConn enters TRANSIENT_FAILURE.
+		ac.mu.Lock()
+		if ac.state == connectivity.Shutdown {
+			ac.mu.Unlock()
+			return
 		}
+		ac.updateConnectivityState(connectivity.TransientFailure)
+
+		// Backoff.
+		b := ac.resetBackoff
+		timer := time.NewTimer(backoffFor)
+		acctx := ac.ctx
 		ac.mu.Unlock()
 
-		if channelz.IsOn() {
-			channelz.AddTraceEvent(ac.channelzID, &channelz.TraceEventDesc{
-				Desc:     fmt.Sprintf("Subchannel picks a new address %q to connect", addr.Addr),
-				Severity: channelz.CtINFO,
-			})
+		select {
+		case <-timer.C:
+			ac.mu.Lock()
+			ac.backoffIdx++
+			ac.mu.Unlock()
+		case <-b:
+			timer.Stop()
+		case <-acctx.Done():
+			timer.Stop()
+			return
 		}
-
-		if err := ac.createTransport(backoffIdx, addr, copts, connectDeadline); err != nil {
-			continue
-		}
-
-		return
 	}
 }
 
-// createTransport creates a connection to one of the backends in addrs.
-func (ac *addrConn) createTransport(backoffNum int, addr resolver.Address, copts transport.ConnectOptions, connectDeadline time.Time) error {
-	oneReset := sync.Once{}
-	skipReset := make(chan struct{})
-	allowedToReset := make(chan struct{})
-	prefaceReceived := make(chan struct{})
+// createTransport creates a connection to one of the backends in addrs. It
+// sets ac.transport in the success case, or it returns an error if it was
+// unable to successfully create a transport.
+//
+// If waitForHandshake is enabled, it blocks until server preface arrives.
+func (ac *addrConn) createTransport(addr resolver.Address, copts transport.ConnectOptions, connectDeadline time.Time, reconnect *grpcsync.Event, prefaceReceived chan struct{}) (transport.ClientTransport, error) {
 	onCloseCalled := make(chan struct{})
 
-	var prefaceMu sync.Mutex
-	var serverPrefaceReceived bool
-	var clientPrefaceWrote bool
-
-	hcCtx, hcCancel := context.WithCancel(ac.ctx)
-
-	onGoAway := func(r transport.GoAwayReason) {
-		hcCancel()
-		ac.mu.Lock()
-		ac.adjustParams(r)
-		ac.mu.Unlock()
-		select {
-		case <-skipReset: // The outer resetTransport loop will handle reconnection.
-			return
-		case <-allowedToReset: // We're in the clear to reset.
-			go oneReset.Do(func() { ac.resetTransport(false) })
-		}
-	}
-
-	prefaceTimer := time.NewTimer(connectDeadline.Sub(time.Now()))
-
-	onClose := func() {
-		hcCancel()
-		close(onCloseCalled)
-		prefaceTimer.Stop()
-
-		select {
-		case <-skipReset: // The outer resetTransport loop will handle reconnection.
-			return
-		case <-allowedToReset: // We're in the clear to reset.
-			oneReset.Do(func() { ac.resetTransport(false) })
-		}
-	}
-
 	target := transport.TargetInfo{
 		Addr:      addr.Addr,
 		Metadata:  addr.Metadata,
 		Authority: ac.cc.authority,
 	}
 
+	prefaceTimer := time.NewTimer(connectDeadline.Sub(time.Now()))
+
+	onGoAway := func(r transport.GoAwayReason) {
+		ac.mu.Lock()
+		ac.adjustParams(r)
+		ac.mu.Unlock()
+		reconnect.Fire()
+	}
+
+	onClose := func() {
+		close(onCloseCalled)
+		prefaceTimer.Stop()
+		reconnect.Fire()
+	}
+
 	onPrefaceReceipt := func() {
 		close(prefaceReceived)
 		prefaceTimer.Stop()
-
-		// TODO(deklerk): optimization; does anyone else actually use this lock? maybe we can just remove it for this scope
-		ac.mu.Lock()
-
-		prefaceMu.Lock()
-		serverPrefaceReceived = true
-		if clientPrefaceWrote {
-			ac.successfulHandshake = true
-		}
-		prefaceMu.Unlock()
-
-		ac.mu.Unlock()
 	}
 
 	connectCtx, cancel := context.WithDeadline(ac.ctx, connectDeadline)
@@ -1143,13 +1187,6 @@
 	newTr, err := transport.NewClientTransport(connectCtx, ac.cc.ctx, target, copts, onPrefaceReceipt, onGoAway, onClose)
 
 	if err == nil {
-		prefaceMu.Lock()
-		clientPrefaceWrote = true
-		if serverPrefaceReceived || ac.dopts.reqHandshake == envconfig.RequireHandshakeOff {
-			ac.successfulHandshake = true
-		}
-		prefaceMu.Unlock()
-
 		if ac.dopts.reqHandshake == envconfig.RequireHandshakeOn {
 			select {
 			case <-prefaceTimer.C:
@@ -1160,8 +1197,7 @@
 				// We got the preface - huzzah! things are good.
 			case <-onCloseCalled:
 				// The transport has already closed - noop.
-				close(allowedToReset)
-				return nil
+				return nil, errors.New("connection closed")
 			}
 		} else if ac.dopts.reqHandshake == envconfig.RequireHandshakeHybrid {
 			go func() {
@@ -1186,70 +1222,32 @@
 			// ac.tearDown(...) has been invoked.
 			ac.mu.Unlock()
 
-			// We don't want to reset during this close because we prefer to kick out of this function and let the loop
-			// in resetTransport take care of reconnecting.
-			close(skipReset)
-
-			return errConnClosing
+			return nil, errConnClosing
 		}
 		ac.mu.Unlock()
 		grpclog.Warningf("grpc: addrConn.createTransport failed to connect to %v. Err :%v. Reconnecting...", addr, err)
-
-		// We don't want to reset during this close because we prefer to kick out of this function and let the loop
-		// in resetTransport take care of reconnecting.
-		close(skipReset)
-
-		return err
+		return nil, err
 	}
 
 	// Now there is a viable transport to be use, so set ac.transport to reflect the new viable transport.
 	ac.mu.Lock()
 	if ac.state == connectivity.Shutdown {
 		ac.mu.Unlock()
-		close(skipReset)
 		newTr.Close()
-		return nil
+		return nil, errConnClosing
 	}
-	ac.transport = newTr
 	ac.mu.Unlock()
 
-	healthCheckConfig := ac.cc.healthCheckConfig()
-	// LB channel health checking is only enabled when all the four requirements below are met:
-	// 1. it is not disabled by the user with the WithDisableHealthCheck DialOption,
-	// 2. the internal.HealthCheckFunc is set by importing the grpc/healthcheck package,
-	// 3. a service config with non-empty healthCheckConfig field is provided,
-	// 4. the current load balancer allows it.
-	if !ac.cc.dopts.disableHealthCheck && healthCheckConfig != nil && ac.scopts.HealthCheckEnabled {
-		if internal.HealthCheckFunc != nil {
-			go ac.startHealthCheck(hcCtx, newTr, addr, healthCheckConfig.ServiceName)
-			close(allowedToReset)
-			return nil
-		}
-		// TODO: add a link to the health check doc in the error message.
-		grpclog.Error("the client side LB channel health check function has not been set.")
-	}
-
-	// No LB channel health check case
+	// Now there is a viable transport to be use, so set ac.transport to reflect the new viable transport.
 	ac.mu.Lock()
-
 	if ac.state == connectivity.Shutdown {
 		ac.mu.Unlock()
-
-		// unblock onGoAway/onClose callback.
-		close(skipReset)
-		return errConnClosing
+		newTr.Close()
+		return nil, errConnClosing
 	}
-
-	ac.updateConnectivityState(connectivity.Ready)
-	ac.cc.handleSubConnStateChange(ac.acbw, ac.state)
-	ac.curAddr = addr
-
 	ac.mu.Unlock()
 
-	// Ok, _now_ we will finally let the transport reset if it encounters a closable error. Without this, the reader
-	// goroutine failing races with all the code in this method that sets the connection to "ready".
-	close(allowedToReset)
-	return nil
+	return newTr, nil
 }
 
 func (ac *addrConn) startHealthCheck(ctx context.Context, newTr transport.ClientTransport, addr resolver.Address, serviceName string) {
@@ -1269,19 +1267,12 @@
 				firstReady = false
 				ac.curAddr = addr
 			}
-			if ac.state != connectivity.Ready {
-				ac.updateConnectivityState(connectivity.Ready)
-				ac.cc.handleSubConnStateChange(ac.acbw, ac.state)
-			}
+			ac.updateConnectivityState(connectivity.Ready)
 		} else {
-			if ac.state != connectivity.TransientFailure {
-				ac.updateConnectivityState(connectivity.TransientFailure)
-				ac.cc.handleSubConnStateChange(ac.acbw, ac.state)
-			}
+			ac.updateConnectivityState(connectivity.TransientFailure)
 		}
 	}
-
-	err := internal.HealthCheckFunc(ctx, newStream, reportHealth, serviceName)
+	err := ac.cc.dopts.healthCheckFunc(ctx, newStream, reportHealth, serviceName)
 	if err != nil {
 		if status.Code(err) == codes.Unimplemented {
 			if channelz.IsOn() {
@@ -1297,55 +1288,6 @@
 	}
 }
 
-// nextAddr increments the addrIdx if there are more addresses to try. If
-// there are no more addrs to try it will re-resolve, set addrIdx to 0, and
-// increment the backoffIdx.
-//
-// nextAddr must be called without ac.mu being held.
-func (ac *addrConn) nextAddr() error {
-	ac.mu.Lock()
-
-	// If a handshake has been observed, we want the next usage to start at
-	// index 0 immediately.
-	if ac.successfulHandshake {
-		ac.successfulHandshake = false
-		ac.backoffDeadline = time.Time{}
-		ac.connectDeadline = time.Time{}
-		ac.addrIdx = 0
-		ac.backoffIdx = 0
-		ac.mu.Unlock()
-		return nil
-	}
-
-	if ac.addrIdx < len(ac.addrs)-1 {
-		ac.addrIdx++
-		ac.mu.Unlock()
-		return nil
-	}
-
-	ac.addrIdx = 0
-	ac.backoffIdx++
-
-	if ac.state == connectivity.Shutdown {
-		ac.mu.Unlock()
-		return errConnClosing
-	}
-	ac.cc.resolveNow(resolver.ResolveNowOption{})
-	backoffDeadline := ac.backoffDeadline
-	b := ac.resetBackoff
-	ac.mu.Unlock()
-	timer := time.NewTimer(backoffDeadline.Sub(time.Now()))
-	select {
-	case <-timer.C:
-	case <-b:
-		timer.Stop()
-	case <-ac.ctx.Done():
-		timer.Stop()
-		return ac.ctx.Err()
-	}
-	return nil
-}
-
 func (ac *addrConn) resetConnectBackoff() {
 	ac.mu.Lock()
 	close(ac.resetBackoff)
@@ -1394,7 +1336,6 @@
 	ac.updateConnectivityState(connectivity.Shutdown)
 	ac.cancel()
 	ac.tearDownErr = err
-	ac.cc.handleSubConnStateChange(ac.acbw, ac.state)
 	ac.curAddr = resolver.Address{}
 	if err == errConnDrain && curTr != nil {
 		// GracefulClose(...) may be executed multiple times when
diff --git a/vendor/google.golang.org/grpc/dialoptions.go b/vendor/google.golang.org/grpc/dialoptions.go
index fe00a25..f286462 100644
--- a/vendor/google.golang.org/grpc/dialoptions.go
+++ b/vendor/google.golang.org/grpc/dialoptions.go
@@ -60,6 +60,7 @@
 	disableServiceConfig bool
 	disableRetry         bool
 	disableHealthCheck   bool
+	healthCheckFunc      internal.HealthChecker
 }
 
 // DialOption configures how we set up the connection.
@@ -94,10 +95,8 @@
 // WithWaitForHandshake blocks until the initial settings frame is received from
 // the server before assigning RPCs to the connection.
 //
-// Deprecated: this will become the default behavior in the 1.17 release, and
-// will be removed after the 1.18 release.  To override the default behavior in
-// the 1.17 release, either use this dial option or set the environment
-// variable GRPC_GO_READY_BEFORE_HANDSHAKE=on.
+// Deprecated: this is the default behavior, and this option will be removed
+// after the 1.18 release.
 func WithWaitForHandshake() DialOption {
 	return newFuncDialOption(func(o *dialOptions) {
 		o.reqHandshake = envconfig.RequireHandshakeOn
@@ -338,6 +337,7 @@
 func init() {
 	internal.WithContextDialer = withContextDialer
 	internal.WithResolverBuilder = withResolverBuilder
+	internal.WithHealthCheckFunc = withHealthCheckFunc
 }
 
 // WithDialer returns a DialOption that specifies a function to use for dialing
@@ -468,10 +468,22 @@
 		o.disableHealthCheck = true
 	})
 }
+
+// withHealthCheckFunc replaces the default health check function with the provided one. It makes
+// tests easier to change the health check function.
+//
+// For testing purpose only.
+func withHealthCheckFunc(f internal.HealthChecker) DialOption {
+	return newFuncDialOption(func(o *dialOptions) {
+		o.healthCheckFunc = f
+	})
+}
+
 func defaultDialOptions() dialOptions {
 	return dialOptions{
-		disableRetry: !envconfig.Retry,
-		reqHandshake: envconfig.RequireHandshake,
+		disableRetry:    !envconfig.Retry,
+		reqHandshake:    envconfig.RequireHandshake,
+		healthCheckFunc: internal.HealthCheckFunc,
 		copts: transport.ConnectOptions{
 			WriteBufferSize: defaultWriteBufSize,
 			ReadBufferSize:  defaultReadBufSize,
diff --git a/vendor/google.golang.org/grpc/internal/channelz/funcs.go b/vendor/google.golang.org/grpc/internal/channelz/funcs.go
index 3021a31..041520d 100644
--- a/vendor/google.golang.org/grpc/internal/channelz/funcs.go
+++ b/vendor/google.golang.org/grpc/internal/channelz/funcs.go
@@ -40,7 +40,7 @@
 	db    dbWrapper
 	idGen idGenerator
 	// EntryPerPage defines the number of channelz entries to be shown on a web page.
-	EntryPerPage  = 50
+	EntryPerPage  = int64(50)
 	curState      int32
 	maxTraceEntry = defaultMaxTraceEntry
 )
@@ -113,20 +113,20 @@
 // boolean indicating whether there's more top channels to be queried for.
 //
 // The arg id specifies that only top channel with id at or above it will be included
-// in the result. The returned slice is up to a length of EntryPerPage, and is
-// sorted in ascending id order.
-func GetTopChannels(id int64) ([]*ChannelMetric, bool) {
-	return db.get().GetTopChannels(id)
+// in the result. The returned slice is up to a length of the arg maxResults or
+// EntryPerPage if maxResults is zero, and is sorted in ascending id order.
+func GetTopChannels(id int64, maxResults int64) ([]*ChannelMetric, bool) {
+	return db.get().GetTopChannels(id, maxResults)
 }
 
 // GetServers returns a slice of server's ServerMetric, along with a
 // boolean indicating whether there's more servers to be queried for.
 //
 // The arg id specifies that only server with id at or above it will be included
-// in the result. The returned slice is up to a length of EntryPerPage, and is
-// sorted in ascending id order.
-func GetServers(id int64) ([]*ServerMetric, bool) {
-	return db.get().GetServers(id)
+// in the result. The returned slice is up to a length of the arg maxResults or
+// EntryPerPage if maxResults is zero, and is sorted in ascending id order.
+func GetServers(id int64, maxResults int64) ([]*ServerMetric, bool) {
+	return db.get().GetServers(id, maxResults)
 }
 
 // GetServerSockets returns a slice of server's (identified by id) normal socket's
@@ -134,10 +134,10 @@
 // be queried for.
 //
 // The arg startID specifies that only sockets with id at or above it will be
-// included in the result. The returned slice is up to a length of EntryPerPage,
-// and is sorted in ascending id order.
-func GetServerSockets(id int64, startID int64) ([]*SocketMetric, bool) {
-	return db.get().GetServerSockets(id, startID)
+// included in the result. The returned slice is up to a length of the arg maxResults
+// or EntryPerPage if maxResults is zero, and is sorted in ascending id order.
+func GetServerSockets(id int64, startID int64, maxResults int64) ([]*SocketMetric, bool) {
+	return db.get().GetServerSockets(id, startID, maxResults)
 }
 
 // GetChannel returns the ChannelMetric for the channel (identified by id).
@@ -155,6 +155,11 @@
 	return db.get().GetSocket(id)
 }
 
+// GetServer returns the ServerMetric for the server (identified by id).
+func GetServer(id int64) *ServerMetric {
+	return db.get().GetServer(id)
+}
+
 // RegisterChannel registers the given channel c in channelz database with ref
 // as its reference name, and add it to the child list of its parent (identified
 // by pid). pid = 0 means no parent. It returns the unique channelz tracking id
@@ -447,29 +452,32 @@
 	return n
 }
 
-func min(a, b int) int {
+func min(a, b int64) int64 {
 	if a < b {
 		return a
 	}
 	return b
 }
 
-func (c *channelMap) GetTopChannels(id int64) ([]*ChannelMetric, bool) {
+func (c *channelMap) GetTopChannels(id int64, maxResults int64) ([]*ChannelMetric, bool) {
+	if maxResults <= 0 {
+		maxResults = EntryPerPage
+	}
 	c.mu.RLock()
-	l := len(c.topLevelChannels)
+	l := int64(len(c.topLevelChannels))
 	ids := make([]int64, 0, l)
-	cns := make([]*channel, 0, min(l, EntryPerPage))
+	cns := make([]*channel, 0, min(l, maxResults))
 
 	for k := range c.topLevelChannels {
 		ids = append(ids, k)
 	}
 	sort.Sort(int64Slice(ids))
 	idx := sort.Search(len(ids), func(i int) bool { return ids[i] >= id })
-	count := 0
+	count := int64(0)
 	var end bool
 	var t []*ChannelMetric
 	for i, v := range ids[idx:] {
-		if count == EntryPerPage {
+		if count == maxResults {
 			break
 		}
 		if cn, ok := c.channels[v]; ok {
@@ -499,21 +507,24 @@
 	return t, end
 }
 
-func (c *channelMap) GetServers(id int64) ([]*ServerMetric, bool) {
+func (c *channelMap) GetServers(id, maxResults int64) ([]*ServerMetric, bool) {
+	if maxResults <= 0 {
+		maxResults = EntryPerPage
+	}
 	c.mu.RLock()
-	l := len(c.servers)
+	l := int64(len(c.servers))
 	ids := make([]int64, 0, l)
-	ss := make([]*server, 0, min(l, EntryPerPage))
+	ss := make([]*server, 0, min(l, maxResults))
 	for k := range c.servers {
 		ids = append(ids, k)
 	}
 	sort.Sort(int64Slice(ids))
 	idx := sort.Search(len(ids), func(i int) bool { return ids[i] >= id })
-	count := 0
+	count := int64(0)
 	var end bool
 	var s []*ServerMetric
 	for i, v := range ids[idx:] {
-		if count == EntryPerPage {
+		if count == maxResults {
 			break
 		}
 		if svr, ok := c.servers[v]; ok {
@@ -541,7 +552,10 @@
 	return s, end
 }
 
-func (c *channelMap) GetServerSockets(id int64, startID int64) ([]*SocketMetric, bool) {
+func (c *channelMap) GetServerSockets(id int64, startID int64, maxResults int64) ([]*SocketMetric, bool) {
+	if maxResults <= 0 {
+		maxResults = EntryPerPage
+	}
 	var svr *server
 	var ok bool
 	c.mu.RLock()
@@ -551,18 +565,18 @@
 		return nil, true
 	}
 	svrskts := svr.sockets
-	l := len(svrskts)
+	l := int64(len(svrskts))
 	ids := make([]int64, 0, l)
-	sks := make([]*normalSocket, 0, min(l, EntryPerPage))
+	sks := make([]*normalSocket, 0, min(l, maxResults))
 	for k := range svrskts {
 		ids = append(ids, k)
 	}
 	sort.Sort(int64Slice(ids))
 	idx := sort.Search(len(ids), func(i int) bool { return ids[i] >= startID })
-	count := 0
+	count := int64(0)
 	var end bool
 	for i, v := range ids[idx:] {
-		if count == EntryPerPage {
+		if count == maxResults {
 			break
 		}
 		if ns, ok := c.normalSockets[v]; ok {
@@ -655,6 +669,23 @@
 	return nil
 }
 
+func (c *channelMap) GetServer(id int64) *ServerMetric {
+	sm := &ServerMetric{}
+	var svr *server
+	var ok bool
+	c.mu.RLock()
+	if svr, ok = c.servers[id]; !ok {
+		c.mu.RUnlock()
+		return nil
+	}
+	sm.ListenSockets = copyMap(svr.listenSockets)
+	c.mu.RUnlock()
+	sm.ID = svr.id
+	sm.RefName = svr.refName
+	sm.ServerData = svr.s.ChannelzMetric()
+	return sm
+}
+
 type idGenerator struct {
 	id int64
 }
diff --git a/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go b/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go
index a3e02b6..d2193b3 100644
--- a/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go
+++ b/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go
@@ -34,7 +34,7 @@
 type RequireHandshakeSetting int
 
 const (
-	// RequireHandshakeHybrid (default, deprecated) indicates to wait for
+	// RequireHandshakeHybrid (default, deprecated) indicates to not wait for
 	// handshake before considering a connection ready, but wait before
 	// considering successful.
 	RequireHandshakeHybrid RequireHandshakeSetting = iota
@@ -59,6 +59,7 @@
 func init() {
 	switch strings.ToLower(os.Getenv(requireHandshakeStr)) {
 	case "on":
+	default:
 		RequireHandshake = RequireHandshakeOn
 	case "off":
 		RequireHandshake = RequireHandshakeOff
diff --git a/vendor/google.golang.org/grpc/internal/internal.go b/vendor/google.golang.org/grpc/internal/internal.go
index f8932b1..eaa54d4 100644
--- a/vendor/google.golang.org/grpc/internal/internal.go
+++ b/vendor/google.golang.org/grpc/internal/internal.go
@@ -23,14 +23,21 @@
 import "context"
 
 var (
-	// WithContextDialer is exported by clientconn.go
+	// WithContextDialer is exported by dialoptions.go
 	WithContextDialer interface{} // func(context.Context, string) (net.Conn, error) grpc.DialOption
-	// WithResolverBuilder is exported by clientconn.go
+	// WithResolverBuilder is exported by dialoptions.go
 	WithResolverBuilder interface{} // func (resolver.Builder) grpc.DialOption
+	// WithHealthCheckFunc is not exported by dialoptions.go
+	WithHealthCheckFunc interface{} // func (HealthChecker) DialOption
 	// HealthCheckFunc is used to provide client-side LB channel health checking
-	HealthCheckFunc func(ctx context.Context, newStream func() (interface{}, error), reportHealth func(bool), serviceName string) error
+	HealthCheckFunc HealthChecker
+	// BalancerUnregister is exported by package balancer to unregister a balancer.
+	BalancerUnregister func(name string)
 )
 
+// HealthChecker defines the signature of the client-side LB channel health checking function.
+type HealthChecker func(ctx context.Context, newStream func() (interface{}, error), reportHealth func(bool), serviceName string) error
+
 const (
 	// CredsBundleModeFallback switches GoogleDefaultCreds to fallback mode.
 	CredsBundleModeFallback = "fallback"
diff --git a/vendor/google.golang.org/grpc/internal/transport/http2_client.go b/vendor/google.golang.org/grpc/internal/transport/http2_client.go
index 39208b1..babcaee 100644
--- a/vendor/google.golang.org/grpc/internal/transport/http2_client.go
+++ b/vendor/google.golang.org/grpc/internal/transport/http2_client.go
@@ -91,10 +91,10 @@
 	maxSendHeaderListSize *uint32
 
 	bdpEst *bdpEstimator
-	// onSuccess is a callback that client transport calls upon
+	// onPrefaceReceipt is a callback that client transport calls upon
 	// receiving server preface to signal that a succefull HTTP2
 	// connection was established.
-	onSuccess func()
+	onPrefaceReceipt func()
 
 	maxConcurrentStreams  uint32
 	streamQuota           int64
@@ -145,7 +145,7 @@
 // newHTTP2Client constructs a connected ClientTransport to addr based on HTTP2
 // and starts to receive messages on it. Non-nil error returns if construction
 // fails.
-func newHTTP2Client(connectCtx, ctx context.Context, addr TargetInfo, opts ConnectOptions, onSuccess func(), onGoAway func(GoAwayReason), onClose func()) (_ *http2Client, err error) {
+func newHTTP2Client(connectCtx, ctx context.Context, addr TargetInfo, opts ConnectOptions, onPrefaceReceipt func(), onGoAway func(GoAwayReason), onClose func()) (_ *http2Client, err error) {
 	scheme := "http"
 	ctx, cancel := context.WithCancel(ctx)
 	defer func() {
@@ -240,7 +240,7 @@
 		kp:                    kp,
 		statsHandler:          opts.StatsHandler,
 		initialWindowSize:     initialWindowSize,
-		onSuccess:             onSuccess,
+		onPrefaceReceipt:      onPrefaceReceipt,
 		nextID:                1,
 		maxConcurrentStreams:  defaultMaxStreamsClient,
 		streamQuota:           defaultMaxStreamsClient,
@@ -362,6 +362,9 @@
 			ctx:     s.ctx,
 			ctxDone: s.ctx.Done(),
 			recv:    s.buf,
+			closeStream: func(err error) {
+				t.CloseStream(s, err)
+			},
 		},
 		windowHandler: func(n int) {
 			t.updateWindow(s, uint32(n))
@@ -780,7 +783,7 @@
 		}
 		t.statsHandler.HandleConn(t.ctx, connEnd)
 	}
-	go t.onClose()
+	t.onClose()
 	return err
 }
 
@@ -1210,7 +1213,7 @@
 		t.Close() // this kicks off resetTransport, so must be last before return
 		return
 	}
-	t.onSuccess()
+	t.onPrefaceReceipt()
 	t.handleSettings(sf, true)
 
 	// loop to keep reading incoming messages on this transport.
diff --git a/vendor/google.golang.org/grpc/internal/transport/transport.go b/vendor/google.golang.org/grpc/internal/transport/transport.go
index 4d7e890..2580aa7 100644
--- a/vendor/google.golang.org/grpc/internal/transport/transport.go
+++ b/vendor/google.golang.org/grpc/internal/transport/transport.go
@@ -110,15 +110,15 @@
 	return b.c
 }
 
-//
 // recvBufferReader implements io.Reader interface to read the data from
 // recvBuffer.
 type recvBufferReader struct {
-	ctx     context.Context
-	ctxDone <-chan struct{} // cache of ctx.Done() (for performance).
-	recv    *recvBuffer
-	last    []byte // Stores the remaining data in the previous calls.
-	err     error
+	closeStream func(error) // Closes the client transport stream with the given error and nil trailer metadata.
+	ctx         context.Context
+	ctxDone     <-chan struct{} // cache of ctx.Done() (for performance).
+	recv        *recvBuffer
+	last        []byte // Stores the remaining data in the previous calls.
+	err         error
 }
 
 // Read reads the next len(p) bytes from last. If last is drained, it tries to
@@ -128,31 +128,53 @@
 	if r.err != nil {
 		return 0, r.err
 	}
-	n, r.err = r.read(p)
-	return n, r.err
-}
-
-func (r *recvBufferReader) read(p []byte) (n int, err error) {
 	if r.last != nil && len(r.last) > 0 {
 		// Read remaining data left in last call.
 		copied := copy(p, r.last)
 		r.last = r.last[copied:]
 		return copied, nil
 	}
+	if r.closeStream != nil {
+		n, r.err = r.readClient(p)
+	} else {
+		n, r.err = r.read(p)
+	}
+	return n, r.err
+}
+
+func (r *recvBufferReader) read(p []byte) (n int, err error) {
 	select {
 	case <-r.ctxDone:
 		return 0, ContextErr(r.ctx.Err())
 	case m := <-r.recv.get():
-		r.recv.load()
-		if m.err != nil {
-			return 0, m.err
-		}
-		copied := copy(p, m.data)
-		r.last = m.data[copied:]
-		return copied, nil
+		return r.readAdditional(m, p)
 	}
 }
 
+func (r *recvBufferReader) readClient(p []byte) (n int, err error) {
+	// If the context is canceled, then closes the stream with nil metadata.
+	// closeStream writes its error parameter to r.recv as a recvMsg.
+	// r.readAdditional acts on that message and returns the necessary error.
+	select {
+	case <-r.ctxDone:
+		r.closeStream(ContextErr(r.ctx.Err()))
+		m := <-r.recv.get()
+		return r.readAdditional(m, p)
+	case m := <-r.recv.get():
+		return r.readAdditional(m, p)
+	}
+}
+
+func (r *recvBufferReader) readAdditional(m recvMsg, p []byte) (n int, err error) {
+	r.recv.load()
+	if m.err != nil {
+		return 0, m.err
+	}
+	copied := copy(p, m.data)
+	r.last = m.data[copied:]
+	return copied, nil
+}
+
 type streamState uint32
 
 const (
@@ -511,8 +533,8 @@
 
 // NewClientTransport establishes the transport with the required ConnectOptions
 // and returns it to the caller.
-func NewClientTransport(connectCtx, ctx context.Context, target TargetInfo, opts ConnectOptions, onSuccess func(), onGoAway func(GoAwayReason), onClose func()) (ClientTransport, error) {
-	return newHTTP2Client(connectCtx, ctx, target, opts, onSuccess, onGoAway, onClose)
+func NewClientTransport(connectCtx, ctx context.Context, target TargetInfo, opts ConnectOptions, onPrefaceReceipt func(), onGoAway func(GoAwayReason), onClose func()) (ClientTransport, error) {
+	return newHTTP2Client(connectCtx, ctx, target, opts, onPrefaceReceipt, onGoAway, onClose)
 }
 
 // Options provides additional hints and information for message
diff --git a/vendor/google.golang.org/grpc/keepalive/keepalive.go b/vendor/google.golang.org/grpc/keepalive/keepalive.go
index 78eea1f..899e72d 100644
--- a/vendor/google.golang.org/grpc/keepalive/keepalive.go
+++ b/vendor/google.golang.org/grpc/keepalive/keepalive.go
@@ -57,7 +57,7 @@
 	// random jitter of +/-10% will be added to MaxConnectionAge to spread out
 	// connection storms.
 	MaxConnectionAge time.Duration // The current default value is infinity.
-	// MaxConnectinoAgeGrace is an additive period after MaxConnectionAge after
+	// MaxConnectionAgeGrace is an additive period after MaxConnectionAge after
 	// which the connection will be forcibly closed.
 	MaxConnectionAgeGrace time.Duration // The current default value is infinity.
 	// After a duration of this time if the server doesn't see any activity it
diff --git a/vendor/google.golang.org/grpc/resolver_conn_wrapper.go b/vendor/google.golang.org/grpc/resolver_conn_wrapper.go
index 9d76025..50991ea 100644
--- a/vendor/google.golang.org/grpc/resolver_conn_wrapper.go
+++ b/vendor/google.golang.org/grpc/resolver_conn_wrapper.go
@@ -39,7 +39,7 @@
 }
 
 // split2 returns the values from strings.SplitN(s, sep, 2).
-// If sep is not found, it returns ("", s, false) instead.
+// If sep is not found, it returns ("", "", false) instead.
 func split2(s, sep string) (string, string, bool) {
 	spl := strings.SplitN(s, sep, 2)
 	if len(spl) < 2 {
diff --git a/vendor/google.golang.org/grpc/rpc_util.go b/vendor/google.golang.org/grpc/rpc_util.go
index 86f00e5..8d0d3dc 100644
--- a/vendor/google.golang.org/grpc/rpc_util.go
+++ b/vendor/google.golang.org/grpc/rpc_util.go
@@ -253,8 +253,8 @@
 	}
 }
 
-// FailFast configures the action to take when an RPC is attempted on broken
-// connections or unreachable servers.  If failFast is true, the RPC will fail
+// WaitForReady configures the action to take when an RPC is attempted on broken
+// connections or unreachable servers. If waitForReady is false, the RPC will fail
 // immediately. Otherwise, the RPC client will block the call until a
 // connection is available (or the call is canceled or times out) and will
 // retry the call if it fails due to a transient error.  gRPC will not retry if
@@ -262,7 +262,14 @@
 // the data.  Please refer to
 // https://github.com/grpc/grpc/blob/master/doc/wait-for-ready.md.
 //
-// By default, RPCs are "Fail Fast".
+// By default, RPCs don't "wait for ready".
+func WaitForReady(waitForReady bool) CallOption {
+	return FailFastCallOption{FailFast: !waitForReady}
+}
+
+// FailFast is the opposite of WaitForReady.
+//
+// Deprecated: use WaitForReady.
 func FailFast(failFast bool) CallOption {
 	return FailFastCallOption{FailFast: failFast}
 }
@@ -678,23 +685,17 @@
 // Code returns the error code for err if it was produced by the rpc system.
 // Otherwise, it returns codes.Unknown.
 //
-// Deprecated: use status.FromError and Code method instead.
+// Deprecated: use status.Code instead.
 func Code(err error) codes.Code {
-	if s, ok := status.FromError(err); ok {
-		return s.Code()
-	}
-	return codes.Unknown
+	return status.Code(err)
 }
 
 // ErrorDesc returns the error description of err if it was produced by the rpc system.
 // Otherwise, it returns err.Error() or empty string when err is nil.
 //
-// Deprecated: use status.FromError and Message method instead.
+// Deprecated: use status.Convert and Message method instead.
 func ErrorDesc(err error) string {
-	if s, ok := status.FromError(err); ok {
-		return s.Message()
-	}
-	return err.Error()
+	return status.Convert(err).Message()
 }
 
 // Errorf returns an error containing an error code and a description;
diff --git a/vendor/google.golang.org/grpc/stream.go b/vendor/google.golang.org/grpc/stream.go
index 0c266d6..d06279a 100644
--- a/vendor/google.golang.org/grpc/stream.go
+++ b/vendor/google.golang.org/grpc/stream.go
@@ -462,10 +462,7 @@
 	pushback := 0
 	hasPushback := false
 	if cs.attempt.s != nil {
-		if to, toErr := cs.attempt.s.TrailersOnly(); toErr != nil {
-			// Context error; stop now.
-			return toErr
-		} else if !to {
+		if to, toErr := cs.attempt.s.TrailersOnly(); toErr != nil || !to {
 			return err
 		}
 
diff --git a/vendor/google.golang.org/grpc/version.go b/vendor/google.golang.org/grpc/version.go
index 260f27c..45eace5 100644
--- a/vendor/google.golang.org/grpc/version.go
+++ b/vendor/google.golang.org/grpc/version.go
@@ -19,4 +19,4 @@
 package grpc
 
 // Version is the current grpc version.
-const Version = "1.17.0"
+const Version = "1.18.0"
diff --git a/vendor/google.golang.org/grpc/vet.sh b/vendor/google.golang.org/grpc/vet.sh
index 94d3d54..94a5064 100755
--- a/vendor/google.golang.org/grpc/vet.sh
+++ b/vendor/google.golang.org/grpc/vet.sh
@@ -76,6 +76,10 @@
 # - Ensure all source files contain a copyright message.
 git ls-files "*.go" | xargs grep -L "\(Copyright [0-9]\{4,\} gRPC authors\)\|DO NOT EDIT" 2>&1 | fail_on_output
 
+# - Make sure all tests in grpc and grpc/test use leakcheck via Teardown.
+(! grep 'func Test[^(]' *_test.go)
+(! grep 'func Test[^(]' test/*.go)
+
 # - Do not import math/rand for real library code.  Use internal/grpcrand for
 #   thread safety.
 git ls-files "*.go" | xargs grep -l '"math/rand"' 2>&1 | (! grep -v '^examples\|^stress\|grpcrand')
@@ -120,7 +124,7 @@
 ### END HACK HACK HACK
 
 # TODO(menghanl): fix errors in transport_test.
-staticcheck -ignore '
+staticcheck -go 1.9 -ignore '
 balancer.go:SA1019
 balancer_test.go:SA1019
 clientconn_test.go:SA1019
@@ -132,5 +136,6 @@
 stats/stats_test.go:SA1019
 test/channelz_test.go:SA1019
 test/end2end_test.go:SA1019
+test/healthcheck_test.go:SA1019
 ' ./...
 misspell -error .
diff --git a/vendor/k8s.io/api/storage/v1/generated.proto b/vendor/k8s.io/api/storage/v1/generated.proto
index 7ac6cb2..668c854 100644
--- a/vendor/k8s.io/api/storage/v1/generated.proto
+++ b/vendor/k8s.io/api/storage/v1/generated.proto
@@ -178,7 +178,7 @@
   optional k8s.io.apimachinery.pkg.apis.meta.v1.Time time = 1;
 
   // String detailing the error encountered during Attach or Detach operation.
-  // This string may be logged, so it should not contain sensitive
+  // This string maybe logged, so it should not contain sensitive
   // information.
   // +optional
   optional string message = 2;
diff --git a/vendor/k8s.io/api/storage/v1/types.go b/vendor/k8s.io/api/storage/v1/types.go
index bd60e10..9f2f67b 100644
--- a/vendor/k8s.io/api/storage/v1/types.go
+++ b/vendor/k8s.io/api/storage/v1/types.go
@@ -204,7 +204,7 @@
 	Time metav1.Time `json:"time,omitempty" protobuf:"bytes,1,opt,name=time"`
 
 	// String detailing the error encountered during Attach or Detach operation.
-	// This string may be logged, so it should not contain sensitive
+	// This string maybe logged, so it should not contain sensitive
 	// information.
 	// +optional
 	Message string `json:"message,omitempty" protobuf:"bytes,2,opt,name=message"`
diff --git a/vendor/k8s.io/api/storage/v1/types_swagger_doc_generated.go b/vendor/k8s.io/api/storage/v1/types_swagger_doc_generated.go
index e31dd7f..d4a022d 100644
--- a/vendor/k8s.io/api/storage/v1/types_swagger_doc_generated.go
+++ b/vendor/k8s.io/api/storage/v1/types_swagger_doc_generated.go
@@ -109,7 +109,7 @@
 var map_VolumeError = map[string]string{
 	"":        "VolumeError captures an error encountered during a volume operation.",
 	"time":    "Time the error was encountered.",
-	"message": "String detailing the error encountered during Attach or Detach operation. This string may be logged, so it should not contain sensitive information.",
+	"message": "String detailing the error encountered during Attach or Detach operation. This string maybe logged, so it should not contain sensitive information.",
 }
 
 func (VolumeError) SwaggerDoc() map[string]string {
diff --git a/vendor/k8s.io/api/storage/v1beta1/generated.proto b/vendor/k8s.io/api/storage/v1beta1/generated.proto
index 4efe7d7..db1f302 100644
--- a/vendor/k8s.io/api/storage/v1beta1/generated.proto
+++ b/vendor/k8s.io/api/storage/v1beta1/generated.proto
@@ -178,7 +178,7 @@
   optional k8s.io.apimachinery.pkg.apis.meta.v1.Time time = 1;
 
   // String detailing the error encountered during Attach or Detach operation.
-  // This string may be logged, so it should not contain sensitive
+  // This string maybe logged, so it should not contain sensitive
   // information.
   // +optional
   optional string message = 2;
diff --git a/vendor/k8s.io/api/storage/v1beta1/types.go b/vendor/k8s.io/api/storage/v1beta1/types.go
index a955542..5702c21 100644
--- a/vendor/k8s.io/api/storage/v1beta1/types.go
+++ b/vendor/k8s.io/api/storage/v1beta1/types.go
@@ -204,7 +204,7 @@
 	Time metav1.Time `json:"time,omitempty" protobuf:"bytes,1,opt,name=time"`
 
 	// String detailing the error encountered during Attach or Detach operation.
-	// This string may be logged, so it should not contain sensitive
+	// This string maybe logged, so it should not contain sensitive
 	// information.
 	// +optional
 	Message string `json:"message,omitempty" protobuf:"bytes,2,opt,name=message"`
diff --git a/vendor/k8s.io/api/storage/v1beta1/types_swagger_doc_generated.go b/vendor/k8s.io/api/storage/v1beta1/types_swagger_doc_generated.go
index e41197b..834553e 100644
--- a/vendor/k8s.io/api/storage/v1beta1/types_swagger_doc_generated.go
+++ b/vendor/k8s.io/api/storage/v1beta1/types_swagger_doc_generated.go
@@ -109,7 +109,7 @@
 var map_VolumeError = map[string]string{
 	"":        "VolumeError captures an error encountered during a volume operation.",
 	"time":    "Time the error was encountered.",
-	"message": "String detailing the error encountered during Attach or Detach operation. This string may be logged, so it should not contain sensitive information.",
+	"message": "String detailing the error encountered during Attach or Detach operation. This string maybe logged, so it should not contain sensitive information.",
 }
 
 func (VolumeError) SwaggerDoc() map[string]string {
diff --git a/vendor/k8s.io/apimachinery/pkg/api/errors/OWNERS b/vendor/k8s.io/apimachinery/pkg/api/errors/OWNERS
old mode 100755
new mode 100644
index dc6a4c7..6343403
--- a/vendor/k8s.io/apimachinery/pkg/api/errors/OWNERS
+++ b/vendor/k8s.io/apimachinery/pkg/api/errors/OWNERS
@@ -1,3 +1,5 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
 reviewers:
 - thockin
 - lavalamp
diff --git a/vendor/k8s.io/apimachinery/pkg/api/errors/errors.go b/vendor/k8s.io/apimachinery/pkg/api/errors/errors.go
index e736a98..afd97f7 100644
--- a/vendor/k8s.io/apimachinery/pkg/api/errors/errors.go
+++ b/vendor/k8s.io/apimachinery/pkg/api/errors/errors.go
@@ -184,6 +184,20 @@
 	}}
 }
 
+// NewApplyConflict returns an error including details on the requests apply conflicts
+func NewApplyConflict(causes []metav1.StatusCause, message string) *StatusError {
+	return &StatusError{ErrStatus: metav1.Status{
+		Status: metav1.StatusFailure,
+		Code:   http.StatusConflict,
+		Reason: metav1.StatusReasonConflict,
+		Details: &metav1.StatusDetails{
+			// TODO: Get obj details here?
+			Causes: causes,
+		},
+		Message: message,
+	}}
+}
+
 // NewGone returns an error indicating the item no longer available at the server and no forwarding address is known.
 func NewGone(message string) *StatusError {
 	return &StatusError{metav1.Status{
@@ -341,6 +355,17 @@
 	}}
 }
 
+// NewRequestEntityTooLargeError returns an error indicating that the request
+// entity was too large.
+func NewRequestEntityTooLargeError(message string) *StatusError {
+	return &StatusError{metav1.Status{
+		Status:  metav1.StatusFailure,
+		Code:    http.StatusRequestEntityTooLarge,
+		Reason:  metav1.StatusReasonRequestEntityTooLarge,
+		Message: fmt.Sprintf("Request entity too large: %s", message),
+	}}
+}
+
 // NewGenericServerResponse returns a new error for server responses that are not in a recognizable form.
 func NewGenericServerResponse(code int, verb string, qualifiedResource schema.GroupResource, name, serverMessage string, retryAfterSeconds int, isUnexpectedResponse bool) *StatusError {
 	reason := metav1.StatusReasonUnknown
@@ -527,6 +552,19 @@
 	return false
 }
 
+// IsRequestEntityTooLargeError determines if err is an error which indicates
+// the request entity is too large.
+func IsRequestEntityTooLargeError(err error) bool {
+	if ReasonForError(err) == metav1.StatusReasonRequestEntityTooLarge {
+		return true
+	}
+	switch t := err.(type) {
+	case APIStatus:
+		return t.Status().Code == http.StatusRequestEntityTooLarge
+	}
+	return false
+}
+
 // IsUnexpectedServerError returns true if the server response was not in the expected API format,
 // and may be the result of another HTTP actor.
 func IsUnexpectedServerError(err error) bool {
diff --git a/vendor/k8s.io/apimachinery/pkg/api/meta/OWNERS b/vendor/k8s.io/apimachinery/pkg/api/meta/OWNERS
old mode 100755
new mode 100644
index 5f729ff..dd2c0cb
--- a/vendor/k8s.io/apimachinery/pkg/api/meta/OWNERS
+++ b/vendor/k8s.io/apimachinery/pkg/api/meta/OWNERS
@@ -1,3 +1,5 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
 reviewers:
 - thockin
 - smarterclayton
diff --git a/vendor/k8s.io/apimachinery/pkg/api/meta/meta.go b/vendor/k8s.io/apimachinery/pkg/api/meta/meta.go
index 6fe7458..b50337e 100644
--- a/vendor/k8s.io/apimachinery/pkg/api/meta/meta.go
+++ b/vendor/k8s.io/apimachinery/pkg/api/meta/meta.go
@@ -20,14 +20,13 @@
 	"fmt"
 	"reflect"
 
-	"k8s.io/klog"
-
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	metav1beta1 "k8s.io/apimachinery/pkg/apis/meta/v1beta1"
 	"k8s.io/apimachinery/pkg/conversion"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/klog"
 )
 
 // errNotList is returned when an object implements the Object style interfaces but not the List style
@@ -138,6 +137,7 @@
 				Finalizers:                 m.GetFinalizers(),
 				ClusterName:                m.GetClusterName(),
 				Initializers:               m.GetInitializers(),
+				ManagedFields:              m.GetManagedFields(),
 			},
 		}
 	}
diff --git a/vendor/k8s.io/apimachinery/pkg/api/resource/OWNERS b/vendor/k8s.io/apimachinery/pkg/api/resource/OWNERS
old mode 100755
new mode 100644
index c430067..8454be5
--- a/vendor/k8s.io/apimachinery/pkg/api/resource/OWNERS
+++ b/vendor/k8s.io/apimachinery/pkg/api/resource/OWNERS
@@ -1,3 +1,5 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
 reviewers:
 - thockin
 - lavalamp
diff --git a/vendor/k8s.io/apimachinery/pkg/api/resource/quantity.go b/vendor/k8s.io/apimachinery/pkg/api/resource/quantity.go
index b155a62..54fda58 100644
--- a/vendor/k8s.io/apimachinery/pkg/api/resource/quantity.go
+++ b/vendor/k8s.io/apimachinery/pkg/api/resource/quantity.go
@@ -680,7 +680,7 @@
 	}
 }
 
-// Value returns the value of q; any fractional part will be lost.
+// Value returns the unscaled value of q rounded up to the nearest integer away from 0.
 func (q *Quantity) Value() int64 {
 	return q.ScaledValue(0)
 }
diff --git a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/OWNERS b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/OWNERS
old mode 100755
new mode 100644
index cdb125a..44929b1
--- a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/OWNERS
+++ b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/OWNERS
@@ -1,3 +1,5 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
 reviewers:
 - thockin
 - smarterclayton
diff --git a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/generated.pb.go b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/generated.pb.go
index 81320c9..4556889 100644
--- a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/generated.pb.go
+++ b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/generated.pb.go
@@ -33,6 +33,7 @@
 		DeleteOptions
 		Duration
 		ExportOptions
+		Fields
 		GetOptions
 		GroupKind
 		GroupResource
@@ -47,10 +48,12 @@
 		List
 		ListMeta
 		ListOptions
+		ManagedFieldsEntry
 		MicroTime
 		ObjectMeta
 		OwnerReference
 		Patch
+		PatchOptions
 		Preconditions
 		RootPaths
 		ServerAddressByClientCIDR
@@ -130,131 +133,143 @@
 func (*ExportOptions) ProtoMessage()               {}
 func (*ExportOptions) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{8} }
 
+func (m *Fields) Reset()                    { *m = Fields{} }
+func (*Fields) ProtoMessage()               {}
+func (*Fields) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{9} }
+
 func (m *GetOptions) Reset()                    { *m = GetOptions{} }
 func (*GetOptions) ProtoMessage()               {}
-func (*GetOptions) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{9} }
+func (*GetOptions) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{10} }
 
 func (m *GroupKind) Reset()                    { *m = GroupKind{} }
 func (*GroupKind) ProtoMessage()               {}
-func (*GroupKind) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{10} }
+func (*GroupKind) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{11} }
 
 func (m *GroupResource) Reset()                    { *m = GroupResource{} }
 func (*GroupResource) ProtoMessage()               {}
-func (*GroupResource) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{11} }
+func (*GroupResource) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{12} }
 
 func (m *GroupVersion) Reset()                    { *m = GroupVersion{} }
 func (*GroupVersion) ProtoMessage()               {}
-func (*GroupVersion) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{12} }
+func (*GroupVersion) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{13} }
 
 func (m *GroupVersionForDiscovery) Reset()      { *m = GroupVersionForDiscovery{} }
 func (*GroupVersionForDiscovery) ProtoMessage() {}
 func (*GroupVersionForDiscovery) Descriptor() ([]byte, []int) {
-	return fileDescriptorGenerated, []int{13}
+	return fileDescriptorGenerated, []int{14}
 }
 
 func (m *GroupVersionKind) Reset()                    { *m = GroupVersionKind{} }
 func (*GroupVersionKind) ProtoMessage()               {}
-func (*GroupVersionKind) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{14} }
+func (*GroupVersionKind) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{15} }
 
 func (m *GroupVersionResource) Reset()                    { *m = GroupVersionResource{} }
 func (*GroupVersionResource) ProtoMessage()               {}
-func (*GroupVersionResource) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{15} }
+func (*GroupVersionResource) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{16} }
 
 func (m *Initializer) Reset()                    { *m = Initializer{} }
 func (*Initializer) ProtoMessage()               {}
-func (*Initializer) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{16} }
+func (*Initializer) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{17} }
 
 func (m *Initializers) Reset()                    { *m = Initializers{} }
 func (*Initializers) ProtoMessage()               {}
-func (*Initializers) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{17} }
+func (*Initializers) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{18} }
 
 func (m *LabelSelector) Reset()                    { *m = LabelSelector{} }
 func (*LabelSelector) ProtoMessage()               {}
-func (*LabelSelector) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{18} }
+func (*LabelSelector) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{19} }
 
 func (m *LabelSelectorRequirement) Reset()      { *m = LabelSelectorRequirement{} }
 func (*LabelSelectorRequirement) ProtoMessage() {}
 func (*LabelSelectorRequirement) Descriptor() ([]byte, []int) {
-	return fileDescriptorGenerated, []int{19}
+	return fileDescriptorGenerated, []int{20}
 }
 
 func (m *List) Reset()                    { *m = List{} }
 func (*List) ProtoMessage()               {}
-func (*List) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{20} }
+func (*List) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{21} }
 
 func (m *ListMeta) Reset()                    { *m = ListMeta{} }
 func (*ListMeta) ProtoMessage()               {}
-func (*ListMeta) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{21} }
+func (*ListMeta) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{22} }
 
 func (m *ListOptions) Reset()                    { *m = ListOptions{} }
 func (*ListOptions) ProtoMessage()               {}
-func (*ListOptions) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{22} }
+func (*ListOptions) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{23} }
+
+func (m *ManagedFieldsEntry) Reset()                    { *m = ManagedFieldsEntry{} }
+func (*ManagedFieldsEntry) ProtoMessage()               {}
+func (*ManagedFieldsEntry) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{24} }
 
 func (m *MicroTime) Reset()                    { *m = MicroTime{} }
 func (*MicroTime) ProtoMessage()               {}
-func (*MicroTime) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{23} }
+func (*MicroTime) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{25} }
 
 func (m *ObjectMeta) Reset()                    { *m = ObjectMeta{} }
 func (*ObjectMeta) ProtoMessage()               {}
-func (*ObjectMeta) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{24} }
+func (*ObjectMeta) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{26} }
 
 func (m *OwnerReference) Reset()                    { *m = OwnerReference{} }
 func (*OwnerReference) ProtoMessage()               {}
-func (*OwnerReference) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{25} }
+func (*OwnerReference) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{27} }
 
 func (m *Patch) Reset()                    { *m = Patch{} }
 func (*Patch) ProtoMessage()               {}
-func (*Patch) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{26} }
+func (*Patch) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{28} }
+
+func (m *PatchOptions) Reset()                    { *m = PatchOptions{} }
+func (*PatchOptions) ProtoMessage()               {}
+func (*PatchOptions) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{29} }
 
 func (m *Preconditions) Reset()                    { *m = Preconditions{} }
 func (*Preconditions) ProtoMessage()               {}
-func (*Preconditions) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{27} }
+func (*Preconditions) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{30} }
 
 func (m *RootPaths) Reset()                    { *m = RootPaths{} }
 func (*RootPaths) ProtoMessage()               {}
-func (*RootPaths) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{28} }
+func (*RootPaths) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{31} }
 
 func (m *ServerAddressByClientCIDR) Reset()      { *m = ServerAddressByClientCIDR{} }
 func (*ServerAddressByClientCIDR) ProtoMessage() {}
 func (*ServerAddressByClientCIDR) Descriptor() ([]byte, []int) {
-	return fileDescriptorGenerated, []int{29}
+	return fileDescriptorGenerated, []int{32}
 }
 
 func (m *Status) Reset()                    { *m = Status{} }
 func (*Status) ProtoMessage()               {}
-func (*Status) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{30} }
+func (*Status) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{33} }
 
 func (m *StatusCause) Reset()                    { *m = StatusCause{} }
 func (*StatusCause) ProtoMessage()               {}
-func (*StatusCause) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{31} }
+func (*StatusCause) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{34} }
 
 func (m *StatusDetails) Reset()                    { *m = StatusDetails{} }
 func (*StatusDetails) ProtoMessage()               {}
-func (*StatusDetails) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{32} }
+func (*StatusDetails) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{35} }
 
 func (m *Time) Reset()                    { *m = Time{} }
 func (*Time) ProtoMessage()               {}
-func (*Time) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{33} }
+func (*Time) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{36} }
 
 func (m *Timestamp) Reset()                    { *m = Timestamp{} }
 func (*Timestamp) ProtoMessage()               {}
-func (*Timestamp) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{34} }
+func (*Timestamp) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{37} }
 
 func (m *TypeMeta) Reset()                    { *m = TypeMeta{} }
 func (*TypeMeta) ProtoMessage()               {}
-func (*TypeMeta) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{35} }
+func (*TypeMeta) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{38} }
 
 func (m *UpdateOptions) Reset()                    { *m = UpdateOptions{} }
 func (*UpdateOptions) ProtoMessage()               {}
-func (*UpdateOptions) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{36} }
+func (*UpdateOptions) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{39} }
 
 func (m *Verbs) Reset()                    { *m = Verbs{} }
 func (*Verbs) ProtoMessage()               {}
-func (*Verbs) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{37} }
+func (*Verbs) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{40} }
 
 func (m *WatchEvent) Reset()                    { *m = WatchEvent{} }
 func (*WatchEvent) ProtoMessage()               {}
-func (*WatchEvent) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{38} }
+func (*WatchEvent) Descriptor() ([]byte, []int) { return fileDescriptorGenerated, []int{41} }
 
 func init() {
 	proto.RegisterType((*APIGroup)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.APIGroup")
@@ -266,6 +281,7 @@
 	proto.RegisterType((*DeleteOptions)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.DeleteOptions")
 	proto.RegisterType((*Duration)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.Duration")
 	proto.RegisterType((*ExportOptions)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.ExportOptions")
+	proto.RegisterType((*Fields)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.Fields")
 	proto.RegisterType((*GetOptions)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.GetOptions")
 	proto.RegisterType((*GroupKind)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.GroupKind")
 	proto.RegisterType((*GroupResource)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.GroupResource")
@@ -280,10 +296,12 @@
 	proto.RegisterType((*List)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.List")
 	proto.RegisterType((*ListMeta)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta")
 	proto.RegisterType((*ListOptions)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.ListOptions")
+	proto.RegisterType((*ManagedFieldsEntry)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.ManagedFieldsEntry")
 	proto.RegisterType((*MicroTime)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.MicroTime")
 	proto.RegisterType((*ObjectMeta)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta")
 	proto.RegisterType((*OwnerReference)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.OwnerReference")
 	proto.RegisterType((*Patch)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.Patch")
+	proto.RegisterType((*PatchOptions)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.PatchOptions")
 	proto.RegisterType((*Preconditions)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.Preconditions")
 	proto.RegisterType((*RootPaths)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.RootPaths")
 	proto.RegisterType((*ServerAddressByClientCIDR)(nil), "k8s.io.apimachinery.pkg.apis.meta.v1.ServerAddressByClientCIDR")
@@ -464,6 +482,10 @@
 	i++
 	i = encodeVarintGenerated(dAtA, i, uint64(len(m.Version)))
 	i += copy(dAtA[i:], m.Version)
+	dAtA[i] = 0x52
+	i++
+	i = encodeVarintGenerated(dAtA, i, uint64(len(m.StorageVersionHash)))
+	i += copy(dAtA[i:], m.StorageVersionHash)
 	return i, nil
 }
 
@@ -576,14 +598,6 @@
 			i += copy(dAtA[i:], s)
 		}
 	}
-	dAtA[i] = 0x10
-	i++
-	if m.IncludeUninitialized {
-		dAtA[i] = 1
-	} else {
-		dAtA[i] = 0
-	}
-	i++
 	return i, nil
 }
 
@@ -706,6 +720,55 @@
 	return i, nil
 }
 
+func (m *Fields) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Fields) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Map) > 0 {
+		keysForMap := make([]string, 0, len(m.Map))
+		for k := range m.Map {
+			keysForMap = append(keysForMap, string(k))
+		}
+		github_com_gogo_protobuf_sortkeys.Strings(keysForMap)
+		for _, k := range keysForMap {
+			dAtA[i] = 0xa
+			i++
+			v := m.Map[string(k)]
+			msgSize := 0
+			if (&v) != nil {
+				msgSize = (&v).Size()
+				msgSize += 1 + sovGenerated(uint64(msgSize))
+			}
+			mapSize := 1 + len(k) + sovGenerated(uint64(len(k))) + msgSize
+			i = encodeVarintGenerated(dAtA, i, uint64(mapSize))
+			dAtA[i] = 0xa
+			i++
+			i = encodeVarintGenerated(dAtA, i, uint64(len(k)))
+			i += copy(dAtA[i:], k)
+			dAtA[i] = 0x12
+			i++
+			i = encodeVarintGenerated(dAtA, i, uint64((&v).Size()))
+			n4, err := (&v).MarshalTo(dAtA[i:])
+			if err != nil {
+				return 0, err
+			}
+			i += n4
+		}
+	}
+	return i, nil
+}
+
 func (m *GetOptions) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -725,14 +788,6 @@
 	i++
 	i = encodeVarintGenerated(dAtA, i, uint64(len(m.ResourceVersion)))
 	i += copy(dAtA[i:], m.ResourceVersion)
-	dAtA[i] = 0x10
-	i++
-	if m.IncludeUninitialized {
-		dAtA[i] = 1
-	} else {
-		dAtA[i] = 0
-	}
-	i++
 	return i, nil
 }
 
@@ -953,11 +1008,11 @@
 		dAtA[i] = 0x12
 		i++
 		i = encodeVarintGenerated(dAtA, i, uint64(m.Result.Size()))
-		n4, err := m.Result.MarshalTo(dAtA[i:])
+		n5, err := m.Result.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n4
+		i += n5
 	}
 	return i, nil
 }
@@ -1073,11 +1128,11 @@
 	dAtA[i] = 0xa
 	i++
 	i = encodeVarintGenerated(dAtA, i, uint64(m.ListMeta.Size()))
-	n5, err := m.ListMeta.MarshalTo(dAtA[i:])
+	n6, err := m.ListMeta.MarshalTo(dAtA[i:])
 	if err != nil {
 		return 0, err
 	}
-	i += n5
+	i += n6
 	if len(m.Items) > 0 {
 		for _, msg := range m.Items {
 			dAtA[i] = 0x12
@@ -1163,14 +1218,6 @@
 		i++
 		i = encodeVarintGenerated(dAtA, i, uint64(*m.TimeoutSeconds))
 	}
-	dAtA[i] = 0x30
-	i++
-	if m.IncludeUninitialized {
-		dAtA[i] = 1
-	} else {
-		dAtA[i] = 0
-	}
-	i++
 	dAtA[i] = 0x38
 	i++
 	i = encodeVarintGenerated(dAtA, i, uint64(m.Limit))
@@ -1181,6 +1228,56 @@
 	return i, nil
 }
 
+func (m *ManagedFieldsEntry) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *ManagedFieldsEntry) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	dAtA[i] = 0xa
+	i++
+	i = encodeVarintGenerated(dAtA, i, uint64(len(m.Manager)))
+	i += copy(dAtA[i:], m.Manager)
+	dAtA[i] = 0x12
+	i++
+	i = encodeVarintGenerated(dAtA, i, uint64(len(m.Operation)))
+	i += copy(dAtA[i:], m.Operation)
+	dAtA[i] = 0x1a
+	i++
+	i = encodeVarintGenerated(dAtA, i, uint64(len(m.APIVersion)))
+	i += copy(dAtA[i:], m.APIVersion)
+	if m.Time != nil {
+		dAtA[i] = 0x22
+		i++
+		i = encodeVarintGenerated(dAtA, i, uint64(m.Time.Size()))
+		n7, err := m.Time.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n7
+	}
+	if m.Fields != nil {
+		dAtA[i] = 0x2a
+		i++
+		i = encodeVarintGenerated(dAtA, i, uint64(m.Fields.Size()))
+		n8, err := m.Fields.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n8
+	}
+	return i, nil
+}
+
 func (m *ObjectMeta) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -1226,20 +1323,20 @@
 	dAtA[i] = 0x42
 	i++
 	i = encodeVarintGenerated(dAtA, i, uint64(m.CreationTimestamp.Size()))
-	n6, err := m.CreationTimestamp.MarshalTo(dAtA[i:])
+	n9, err := m.CreationTimestamp.MarshalTo(dAtA[i:])
 	if err != nil {
 		return 0, err
 	}
-	i += n6
+	i += n9
 	if m.DeletionTimestamp != nil {
 		dAtA[i] = 0x4a
 		i++
 		i = encodeVarintGenerated(dAtA, i, uint64(m.DeletionTimestamp.Size()))
-		n7, err := m.DeletionTimestamp.MarshalTo(dAtA[i:])
+		n10, err := m.DeletionTimestamp.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n7
+		i += n10
 	}
 	if m.DeletionGracePeriodSeconds != nil {
 		dAtA[i] = 0x50
@@ -1327,11 +1424,25 @@
 		dAtA[i] = 0x1
 		i++
 		i = encodeVarintGenerated(dAtA, i, uint64(m.Initializers.Size()))
-		n8, err := m.Initializers.MarshalTo(dAtA[i:])
+		n11, err := m.Initializers.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n8
+		i += n11
+	}
+	if len(m.ManagedFields) > 0 {
+		for _, msg := range m.ManagedFields {
+			dAtA[i] = 0x8a
+			i++
+			dAtA[i] = 0x1
+			i++
+			i = encodeVarintGenerated(dAtA, i, uint64(msg.Size()))
+			n, err := msg.MarshalTo(dAtA[i:])
+			if err != nil {
+				return 0, err
+			}
+			i += n
+		}
 	}
 	return i, nil
 }
@@ -1408,6 +1519,49 @@
 	return i, nil
 }
 
+func (m *PatchOptions) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *PatchOptions) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.DryRun) > 0 {
+		for _, s := range m.DryRun {
+			dAtA[i] = 0xa
+			i++
+			l = len(s)
+			for l >= 1<<7 {
+				dAtA[i] = uint8(uint64(l)&0x7f | 0x80)
+				l >>= 7
+				i++
+			}
+			dAtA[i] = uint8(l)
+			i++
+			i += copy(dAtA[i:], s)
+		}
+	}
+	if m.Force != nil {
+		dAtA[i] = 0x10
+		i++
+		if *m.Force {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	return i, nil
+}
+
 func (m *Preconditions) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -1509,11 +1663,11 @@
 	dAtA[i] = 0xa
 	i++
 	i = encodeVarintGenerated(dAtA, i, uint64(m.ListMeta.Size()))
-	n9, err := m.ListMeta.MarshalTo(dAtA[i:])
+	n12, err := m.ListMeta.MarshalTo(dAtA[i:])
 	if err != nil {
 		return 0, err
 	}
-	i += n9
+	i += n12
 	dAtA[i] = 0x12
 	i++
 	i = encodeVarintGenerated(dAtA, i, uint64(len(m.Status)))
@@ -1530,11 +1684,11 @@
 		dAtA[i] = 0x2a
 		i++
 		i = encodeVarintGenerated(dAtA, i, uint64(m.Details.Size()))
-		n10, err := m.Details.MarshalTo(dAtA[i:])
+		n13, err := m.Details.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n10
+		i += n13
 	}
 	dAtA[i] = 0x30
 	i++
@@ -1759,11 +1913,11 @@
 	dAtA[i] = 0x12
 	i++
 	i = encodeVarintGenerated(dAtA, i, uint64(m.Object.Size()))
-	n11, err := m.Object.MarshalTo(dAtA[i:])
+	n14, err := m.Object.MarshalTo(dAtA[i:])
 	if err != nil {
 		return 0, err
 	}
-	i += n11
+	i += n14
 	return i, nil
 }
 
@@ -1840,6 +1994,8 @@
 	n += 1 + l + sovGenerated(uint64(l))
 	l = len(m.Version)
 	n += 1 + l + sovGenerated(uint64(l))
+	l = len(m.StorageVersionHash)
+	n += 1 + l + sovGenerated(uint64(l))
 	return n
 }
 
@@ -1884,7 +2040,6 @@
 			n += 1 + l + sovGenerated(uint64(l))
 		}
 	}
-	n += 2
 	return n
 }
 
@@ -1929,12 +2084,26 @@
 	return n
 }
 
+func (m *Fields) Size() (n int) {
+	var l int
+	_ = l
+	if len(m.Map) > 0 {
+		for k, v := range m.Map {
+			_ = k
+			_ = v
+			l = v.Size()
+			mapEntrySize := 1 + len(k) + sovGenerated(uint64(len(k))) + 1 + l + sovGenerated(uint64(l))
+			n += mapEntrySize + 1 + sovGenerated(uint64(mapEntrySize))
+		}
+	}
+	return n
+}
+
 func (m *GetOptions) Size() (n int) {
 	var l int
 	_ = l
 	l = len(m.ResourceVersion)
 	n += 1 + l + sovGenerated(uint64(l))
-	n += 2
 	return n
 }
 
@@ -2101,13 +2270,32 @@
 	if m.TimeoutSeconds != nil {
 		n += 1 + sovGenerated(uint64(*m.TimeoutSeconds))
 	}
-	n += 2
 	n += 1 + sovGenerated(uint64(m.Limit))
 	l = len(m.Continue)
 	n += 1 + l + sovGenerated(uint64(l))
 	return n
 }
 
+func (m *ManagedFieldsEntry) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Manager)
+	n += 1 + l + sovGenerated(uint64(l))
+	l = len(m.Operation)
+	n += 1 + l + sovGenerated(uint64(l))
+	l = len(m.APIVersion)
+	n += 1 + l + sovGenerated(uint64(l))
+	if m.Time != nil {
+		l = m.Time.Size()
+		n += 1 + l + sovGenerated(uint64(l))
+	}
+	if m.Fields != nil {
+		l = m.Fields.Size()
+		n += 1 + l + sovGenerated(uint64(l))
+	}
+	return n
+}
+
 func (m *ObjectMeta) Size() (n int) {
 	var l int
 	_ = l
@@ -2167,6 +2355,12 @@
 		l = m.Initializers.Size()
 		n += 2 + l + sovGenerated(uint64(l))
 	}
+	if len(m.ManagedFields) > 0 {
+		for _, e := range m.ManagedFields {
+			l = e.Size()
+			n += 2 + l + sovGenerated(uint64(l))
+		}
+	}
 	return n
 }
 
@@ -2196,6 +2390,21 @@
 	return n
 }
 
+func (m *PatchOptions) Size() (n int) {
+	var l int
+	_ = l
+	if len(m.DryRun) > 0 {
+		for _, s := range m.DryRun {
+			l = len(s)
+			n += 1 + l + sovGenerated(uint64(l))
+		}
+	}
+	if m.Force != nil {
+		n += 2
+	}
+	return n
+}
+
 func (m *Preconditions) Size() (n int) {
 	var l int
 	_ = l
@@ -2382,6 +2591,7 @@
 		`Categories:` + fmt.Sprintf("%v", this.Categories) + `,`,
 		`Group:` + fmt.Sprintf("%v", this.Group) + `,`,
 		`Version:` + fmt.Sprintf("%v", this.Version) + `,`,
+		`StorageVersionHash:` + fmt.Sprintf("%v", this.StorageVersionHash) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -2403,7 +2613,6 @@
 	}
 	s := strings.Join([]string{`&CreateOptions{`,
 		`DryRun:` + fmt.Sprintf("%v", this.DryRun) + `,`,
-		`IncludeUninitialized:` + fmt.Sprintf("%v", this.IncludeUninitialized) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -2443,13 +2652,32 @@
 	}, "")
 	return s
 }
+func (this *Fields) String() string {
+	if this == nil {
+		return "nil"
+	}
+	keysForMap := make([]string, 0, len(this.Map))
+	for k := range this.Map {
+		keysForMap = append(keysForMap, k)
+	}
+	github_com_gogo_protobuf_sortkeys.Strings(keysForMap)
+	mapStringForMap := "map[string]Fields{"
+	for _, k := range keysForMap {
+		mapStringForMap += fmt.Sprintf("%v: %v,", k, this.Map[k])
+	}
+	mapStringForMap += "}"
+	s := strings.Join([]string{`&Fields{`,
+		`Map:` + mapStringForMap + `,`,
+		`}`,
+	}, "")
+	return s
+}
 func (this *GetOptions) String() string {
 	if this == nil {
 		return "nil"
 	}
 	s := strings.Join([]string{`&GetOptions{`,
 		`ResourceVersion:` + fmt.Sprintf("%v", this.ResourceVersion) + `,`,
-		`IncludeUninitialized:` + fmt.Sprintf("%v", this.IncludeUninitialized) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -2552,13 +2780,26 @@
 		`Watch:` + fmt.Sprintf("%v", this.Watch) + `,`,
 		`ResourceVersion:` + fmt.Sprintf("%v", this.ResourceVersion) + `,`,
 		`TimeoutSeconds:` + valueToStringGenerated(this.TimeoutSeconds) + `,`,
-		`IncludeUninitialized:` + fmt.Sprintf("%v", this.IncludeUninitialized) + `,`,
 		`Limit:` + fmt.Sprintf("%v", this.Limit) + `,`,
 		`Continue:` + fmt.Sprintf("%v", this.Continue) + `,`,
 		`}`,
 	}, "")
 	return s
 }
+func (this *ManagedFieldsEntry) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ManagedFieldsEntry{`,
+		`Manager:` + fmt.Sprintf("%v", this.Manager) + `,`,
+		`Operation:` + fmt.Sprintf("%v", this.Operation) + `,`,
+		`APIVersion:` + fmt.Sprintf("%v", this.APIVersion) + `,`,
+		`Time:` + strings.Replace(fmt.Sprintf("%v", this.Time), "Time", "Time", 1) + `,`,
+		`Fields:` + strings.Replace(fmt.Sprintf("%v", this.Fields), "Fields", "Fields", 1) + `,`,
+		`}`,
+	}, "")
+	return s
+}
 func (this *ObjectMeta) String() string {
 	if this == nil {
 		return "nil"
@@ -2600,6 +2841,7 @@
 		`Finalizers:` + fmt.Sprintf("%v", this.Finalizers) + `,`,
 		`ClusterName:` + fmt.Sprintf("%v", this.ClusterName) + `,`,
 		`Initializers:` + strings.Replace(fmt.Sprintf("%v", this.Initializers), "Initializers", "Initializers", 1) + `,`,
+		`ManagedFields:` + strings.Replace(strings.Replace(fmt.Sprintf("%v", this.ManagedFields), "ManagedFieldsEntry", "ManagedFieldsEntry", 1), `&`, ``, 1) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -2628,6 +2870,17 @@
 	}, "")
 	return s
 }
+func (this *PatchOptions) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&PatchOptions{`,
+		`DryRun:` + fmt.Sprintf("%v", this.DryRun) + `,`,
+		`Force:` + valueToStringGenerated(this.Force) + `,`,
+		`}`,
+	}, "")
+	return s
+}
 func (this *Preconditions) String() string {
 	if this == nil {
 		return "nil"
@@ -3289,6 +3542,35 @@
 			}
 			m.Version = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
+		case 10:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field StorageVersionHash", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.StorageVersionHash = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipGenerated(dAtA[iNdEx:])
@@ -3588,26 +3870,6 @@
 			}
 			m.DryRun = append(m.DryRun, string(dAtA[iNdEx:postIndex]))
 			iNdEx = postIndex
-		case 2:
-			if wireType != 0 {
-				return fmt.Errorf("proto: wrong wireType = %d for field IncludeUninitialized", wireType)
-			}
-			var v int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowGenerated
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				v |= (int(b) & 0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			m.IncludeUninitialized = bool(v != 0)
 		default:
 			iNdEx = preIndex
 			skippy, err := skipGenerated(dAtA[iNdEx:])
@@ -3971,6 +4233,179 @@
 	}
 	return nil
 }
+func (m *Fields) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowGenerated
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Fields: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Fields: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Map", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Map == nil {
+				m.Map = make(map[string]Fields)
+			}
+			var mapkey string
+			mapvalue := &Fields{}
+			for iNdEx < postIndex {
+				entryPreIndex := iNdEx
+				var wire uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return ErrIntOverflowGenerated
+					}
+					if iNdEx >= l {
+						return io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					wire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				fieldNum := int32(wire >> 3)
+				if fieldNum == 1 {
+					var stringLenmapkey uint64
+					for shift := uint(0); ; shift += 7 {
+						if shift >= 64 {
+							return ErrIntOverflowGenerated
+						}
+						if iNdEx >= l {
+							return io.ErrUnexpectedEOF
+						}
+						b := dAtA[iNdEx]
+						iNdEx++
+						stringLenmapkey |= (uint64(b) & 0x7F) << shift
+						if b < 0x80 {
+							break
+						}
+					}
+					intStringLenmapkey := int(stringLenmapkey)
+					if intStringLenmapkey < 0 {
+						return ErrInvalidLengthGenerated
+					}
+					postStringIndexmapkey := iNdEx + intStringLenmapkey
+					if postStringIndexmapkey > l {
+						return io.ErrUnexpectedEOF
+					}
+					mapkey = string(dAtA[iNdEx:postStringIndexmapkey])
+					iNdEx = postStringIndexmapkey
+				} else if fieldNum == 2 {
+					var mapmsglen int
+					for shift := uint(0); ; shift += 7 {
+						if shift >= 64 {
+							return ErrIntOverflowGenerated
+						}
+						if iNdEx >= l {
+							return io.ErrUnexpectedEOF
+						}
+						b := dAtA[iNdEx]
+						iNdEx++
+						mapmsglen |= (int(b) & 0x7F) << shift
+						if b < 0x80 {
+							break
+						}
+					}
+					if mapmsglen < 0 {
+						return ErrInvalidLengthGenerated
+					}
+					postmsgIndex := iNdEx + mapmsglen
+					if mapmsglen < 0 {
+						return ErrInvalidLengthGenerated
+					}
+					if postmsgIndex > l {
+						return io.ErrUnexpectedEOF
+					}
+					mapvalue = &Fields{}
+					if err := mapvalue.Unmarshal(dAtA[iNdEx:postmsgIndex]); err != nil {
+						return err
+					}
+					iNdEx = postmsgIndex
+				} else {
+					iNdEx = entryPreIndex
+					skippy, err := skipGenerated(dAtA[iNdEx:])
+					if err != nil {
+						return err
+					}
+					if skippy < 0 {
+						return ErrInvalidLengthGenerated
+					}
+					if (iNdEx + skippy) > postIndex {
+						return io.ErrUnexpectedEOF
+					}
+					iNdEx += skippy
+				}
+			}
+			m.Map[mapkey] = *mapvalue
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipGenerated(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func (m *GetOptions) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -4029,26 +4464,6 @@
 			}
 			m.ResourceVersion = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
-		case 2:
-			if wireType != 0 {
-				return fmt.Errorf("proto: wrong wireType = %d for field IncludeUninitialized", wireType)
-			}
-			var v int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowGenerated
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				v |= (int(b) & 0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			m.IncludeUninitialized = bool(v != 0)
 		default:
 			iNdEx = preIndex
 			skippy, err := skipGenerated(dAtA[iNdEx:])
@@ -5709,26 +6124,6 @@
 				}
 			}
 			m.TimeoutSeconds = &v
-		case 6:
-			if wireType != 0 {
-				return fmt.Errorf("proto: wrong wireType = %d for field IncludeUninitialized", wireType)
-			}
-			var v int
-			for shift := uint(0); ; shift += 7 {
-				if shift >= 64 {
-					return ErrIntOverflowGenerated
-				}
-				if iNdEx >= l {
-					return io.ErrUnexpectedEOF
-				}
-				b := dAtA[iNdEx]
-				iNdEx++
-				v |= (int(b) & 0x7F) << shift
-				if b < 0x80 {
-					break
-				}
-			}
-			m.IncludeUninitialized = bool(v != 0)
 		case 7:
 			if wireType != 0 {
 				return fmt.Errorf("proto: wrong wireType = %d for field Limit", wireType)
@@ -5798,6 +6193,209 @@
 	}
 	return nil
 }
+func (m *ManagedFieldsEntry) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowGenerated
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: ManagedFieldsEntry: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ManagedFieldsEntry: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Manager", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Manager = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Operation", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Operation = ManagedFieldsOperationType(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field APIVersion", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.APIVersion = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Time", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Time == nil {
+				m.Time = &Time{}
+			}
+			if err := m.Time.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 5:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Fields", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Fields == nil {
+				m.Fields = &Fields{}
+			}
+			if err := m.Fields.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipGenerated(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func (m *ObjectMeta) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -6461,6 +7059,37 @@
 				return err
 			}
 			iNdEx = postIndex
+		case 17:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ManagedFields", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ManagedFields = append(m.ManagedFields, ManagedFieldsEntry{})
+			if err := m.ManagedFields[len(m.ManagedFields)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipGenerated(dAtA[iNdEx:])
@@ -6740,6 +7369,106 @@
 	}
 	return nil
 }
+func (m *PatchOptions) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowGenerated
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: PatchOptions: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: PatchOptions: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field DryRun", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.DryRun = append(m.DryRun, string(dAtA[iNdEx:postIndex]))
+			iNdEx = postIndex
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Force", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGenerated
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			b := bool(v != 0)
+			m.Force = &b
+		default:
+			iNdEx = preIndex
+			skippy, err := skipGenerated(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthGenerated
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func (m *Preconditions) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -8152,160 +8881,171 @@
 }
 
 var fileDescriptorGenerated = []byte{
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+	0x9b, 0x79, 0x98, 0xda, 0xd1, 0x97, 0x32, 0x29, 0x0a, 0x53, 0x4c, 0x87, 0x35, 0x2a, 0x3e, 0x6e,
+	0x27, 0x56, 0xd4, 0xc3, 0xe3, 0x76, 0x42, 0x1b, 0x4e, 0xd2, 0x9a, 0xff, 0xc8, 0x40, 0x5e, 0xbe,
+	0xbd, 0xff, 0xc3, 0x2f, 0xac, 0x57, 0x21, 0xcf, 0x84, 0x1e, 0x65, 0x5e, 0x54, 0xf9, 0xa5, 0x76,
+	0xac, 0xb0, 0x62, 0xe2, 0x25, 0x8c, 0x59, 0x9d, 0xf0, 0x46, 0xc4, 0x13, 0xaf, 0x04, 0xe3, 0x10,
+	0x8f, 0xde, 0x84, 0x3c, 0x25, 0x16, 0x8b, 0x86, 0xff, 0xa5, 0x50, 0x24, 0x16, 0xd0, 0xf3, 0x41,
+	0x6d, 0x56, 0x09, 0x17, 0xdf, 0x58, 0x51, 0xa3, 0x7b, 0x30, 0x63, 0x93, 0xc0, 0x72, 0xba, 0xe1,
+	0x74, 0x79, 0x6d, 0x92, 0x1d, 0x45, 0x4b, 0xb2, 0x36, 0x4b, 0xdc, 0x26, 0xf5, 0x81, 0x43, 0x81,
+	0xfc, 0x36, 0xb7, 0x3d, 0x5b, 0xfe, 0x93, 0x2a, 0x17, 0xdf, 0xe6, 0x0d, 0xcf, 0x26, 0x58, 0x60,
+	0xcc, 0x47, 0x06, 0x94, 0xa4, 0xa4, 0x0d, 0xab, 0xcf, 0x08, 0x5a, 0x8d, 0x4e, 0x21, 0xc3, 0x1d,
+	0xce, 0x17, 0xd3, 0x7c, 0x22, 0x3f, 0x1f, 0xd4, 0x8a, 0x82, 0x4c, 0x8c, 0xe7, 0xe1, 0x01, 0x34,
+	0x1f, 0x65, 0x2e, 0xf1, 0xd1, 0x2b, 0x90, 0x13, 0x63, 0xaf, 0x72, 0x66, 0x34, 0xb4, 0x8a, 0x62,
+	0x89, 0x25, 0xce, 0xfc, 0x24, 0x03, 0xe5, 0xc4, 0xe1, 0x52, 0x4c, 0xa8, 0xd1, 0x3e, 0x2c, 0x93,
+	0x62, 0xc7, 0x3a, 0xfe, 0x5f, 0x8b, 0xdf, 0x82, 0x7c, 0x9b, 0x9f, 0x2f, 0xfc, 0xdf, 0xee, 0xea,
+	0x24, 0xa1, 0x10, 0x9e, 0x89, 0x33, 0x49, 0x7c, 0x32, 0xac, 0x04, 0xa2, 0x9b, 0xb0, 0x48, 0x49,
+	0x40, 0x4f, 0xd7, 0x0f, 0x03, 0x42, 0xf5, 0x47, 0x5e, 0x2e, 0x9e, 0xe1, 0xf0, 0x30, 0x01, 0x1e,
+	0xe5, 0x09, 0xeb, 0x6f, 0xfe, 0x39, 0xea, 0xaf, 0xd9, 0x85, 0xe9, 0xff, 0xe2, 0x7b, 0xe3, 0xdb,
+	0x50, 0x8c, 0x27, 0xc2, 0x4f, 0x59, 0xa5, 0xf9, 0x5d, 0x28, 0xf0, 0x6c, 0x0c, 0x5f, 0x32, 0x97,
+	0xb4, 0xb7, 0x64, 0xe3, 0xc9, 0xa4, 0x69, 0x3c, 0xe6, 0x35, 0x28, 0xdf, 0xf1, 0xed, 0x09, 0xff,
+	0x99, 0xb6, 0x06, 0xf2, 0xdf, 0xcc, 0xbc, 0x04, 0xcb, 0x5d, 0x8e, 0x56, 0x82, 0xf5, 0xc5, 0x8c,
+	0xb6, 0x4c, 0xfd, 0xb1, 0x01, 0x20, 0x16, 0x0b, 0x9b, 0x27, 0xc4, 0x0d, 0xf8, 0x69, 0x78, 0xd8,
+	0x86, 0x4f, 0x23, 0xee, 0x9e, 0xc0, 0xa0, 0x3b, 0x90, 0xf7, 0xc4, 0x78, 0xa9, 0xb6, 0x9b, 0x13,
+	0x2e, 0x8a, 0xa2, 0x54, 0x95, 0x33, 0x2a, 0x56, 0xc2, 0x9a, 0x2b, 0x4f, 0x9e, 0x2e, 0x4d, 0x7d,
+	0xf4, 0x74, 0x69, 0xea, 0xe3, 0xa7, 0x4b, 0x53, 0xef, 0x9f, 0x2d, 0x19, 0x4f, 0xce, 0x96, 0x8c,
+	0x8f, 0xce, 0x96, 0x8c, 0x8f, 0xcf, 0x96, 0x8c, 0x4f, 0xce, 0x96, 0x8c, 0x47, 0x7f, 0x59, 0x9a,
+	0xba, 0x97, 0x39, 0x59, 0xfd, 0x57, 0x00, 0x00, 0x00, 0xff, 0xff, 0x0c, 0xb1, 0xa3, 0x81, 0x52,
+	0x23, 0x00, 0x00,
 }
diff --git a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/generated.proto b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/generated.proto
index 989f076..9e564f3 100644
--- a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/generated.proto
+++ b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/generated.proto
@@ -92,6 +92,16 @@
 
   // categories is a list of the grouped resources this resource belongs to (e.g. 'all')
   repeated string categories = 7;
+
+  // The hash value of the storage version, the version this resource is
+  // converted to when written to the data store. Value must be treated
+  // as opaque by clients. Only equality comparison on the value is valid.
+  // This is an alpha feature and may change or be removed in the future.
+  // The field is populated by the apiserver only if the
+  // StorageVersionHash feature gate is enabled.
+  // This field will remain optional even if it graduates.
+  // +optional
+  optional string storageVersionHash = 10;
 }
 
 // APIResourceList is a list of APIResource, it is used to expose the name of the
@@ -133,10 +143,6 @@
   // - All: all dry run stages will be processed
   // +optional
   repeated string dryRun = 1;
-
-  // If IncludeUninitialized is specified, the object may be
-  // returned without completing initialization.
-  optional bool includeUninitialized = 2;
 }
 
 // DeleteOptions may be provided when deleting an API object.
@@ -188,14 +194,34 @@
 }
 
 // ExportOptions is the query options to the standard REST get call.
+// Deprecated. Planned for removal in 1.18.
 message ExportOptions {
   // Should this value be exported.  Export strips fields that a user can not specify.
+  // Deprecated. Planned for removal in 1.18.
   optional bool export = 1;
 
   // Should the export be exact.  Exact export maintains cluster-specific fields like 'Namespace'.
+  // Deprecated. Planned for removal in 1.18.
   optional bool exact = 2;
 }
 
+// Fields stores a set of fields in a data structure like a Trie.
+// To understand how this is used, see: https://github.com/kubernetes-sigs/structured-merge-diff
+message Fields {
+  // Map stores a set of fields in a data structure like a Trie.
+  //
+  // Each key is either a '.' representing the field itself, and will always map to an empty set,
+  // or a string representing a sub-field or item. The string will follow one of these four formats:
+  // 'f:<name>', where <name> is the name of a field in a struct, or key in a map
+  // 'v:<value>', where <value> is the exact json formatted value of a list item
+  // 'i:<index>', where <index> is position of a item in a list
+  // 'k:<keys>', where <keys> is a map of  a list item's key fields to their unique values
+  // If a key maps to an empty Fields value, the field that key represents is part of the set.
+  //
+  // The exact format is defined in k8s.io/apiserver/pkg/endpoints/handlers/fieldmanager/internal
+  map<string, Fields> map = 1;
+}
+
 // GetOptions is the standard query options to the standard REST get call.
 message GetOptions {
   // When specified:
@@ -203,10 +229,6 @@
   // - if it's 0, then we simply return what we currently have in cache, no guarantee;
   // - if set to non zero, then the result is at least as fresh as given rv.
   optional string resourceVersion = 1;
-
-  // If true, partially initialized resources are included in the response.
-  // +optional
-  optional bool includeUninitialized = 2;
 }
 
 // GroupKind specifies a Group and a Kind, but does not force a version.  This is useful for identifying
@@ -380,10 +402,6 @@
   // +optional
   optional string fieldSelector = 2;
 
-  // If true, partially initialized resources are included in the response.
-  // +optional
-  optional bool includeUninitialized = 6;
-
   // Watch for changes to the described resources and return them as a stream of
   // add, update, and remove notifications. Specify resourceVersion.
   // +optional
@@ -438,6 +456,31 @@
   optional string continue = 8;
 }
 
+// ManagedFieldsEntry is a workflow-id, a FieldSet and the group version of the resource
+// that the fieldset applies to.
+message ManagedFieldsEntry {
+  // Manager is an identifier of the workflow managing these fields.
+  optional string manager = 1;
+
+  // Operation is the type of operation which lead to this ManagedFieldsEntry being created.
+  // The only valid values for this field are 'Apply' and 'Update'.
+  optional string operation = 2;
+
+  // APIVersion defines the version of this resource that this field set
+  // applies to. The format is "group/version" just like the top-level
+  // APIVersion field. It is necessary to track the version of a field
+  // set because it cannot be automatically converted.
+  optional string apiVersion = 3;
+
+  // Time is timestamp of when these fields were set. It should always be empty if Operation is 'Apply'
+  // +optional
+  optional Time time = 4;
+
+  // Fields identifies a set of fields.
+  // +optional
+  optional Fields fields = 5;
+}
+
 // MicroTime is version of Time with microsecond level precision.
 //
 // +protobuf.options.marshal=false
@@ -602,6 +645,8 @@
   // When an object is created, the system will populate this list with the current set of initializers.
   // Only privileged users may set or modify this list. Once it is empty, it may not be modified further
   // by any user.
+  //
+  // DEPRECATED - initializers are an alpha field and will be removed in v1.15.
   optional Initializers initializers = 16;
 
   // Must be empty before the object is deleted from the registry. Each entry
@@ -617,6 +662,19 @@
   // This field is not set anywhere right now and apiserver is going to ignore it if set in create or update request.
   // +optional
   optional string clusterName = 15;
+
+  // ManagedFields maps workflow-id and version to the set of fields
+  // that are managed by that workflow. This is mostly for internal
+  // housekeeping, and users typically shouldn't need to set or
+  // understand this field. A workflow can be the user's name, a
+  // controller's name, or the name of a specific apply path like
+  // "ci-cd". The set of fields is always in the version that the
+  // workflow used when modifying the object.
+  //
+  // This field is alpha and can be changed or removed without notice.
+  //
+  // +optional
+  repeated ManagedFieldsEntry managedFields = 17;
 }
 
 // OwnerReference contains enough information to let you identify an owning
@@ -656,6 +714,24 @@
 message Patch {
 }
 
+// PatchOptions may be provided when patching an API object.
+// PatchOptions is meant to be a superset of UpdateOptions.
+message PatchOptions {
+  // When present, indicates that modifications should not be
+  // persisted. An invalid or unrecognized dryRun directive will
+  // result in an error response and no further processing of the
+  // request. Valid values are:
+  // - All: all dry run stages will be processed
+  // +optional
+  repeated string dryRun = 1;
+
+  // Force is going to "force" Apply requests. It means user will
+  // re-acquire conflicting fields owned by other people. Force
+  // flag must be unset for non-apply patch requests.
+  // +optional
+  optional bool force = 2;
+}
+
 // Preconditions must be fulfilled before an operation (update, delete, etc.) is carried out.
 message Preconditions {
   // Specifies the target UID.
@@ -841,6 +917,7 @@
 }
 
 // UpdateOptions may be provided when updating an API object.
+// All fields in UpdateOptions should also be present in PatchOptions.
 message UpdateOptions {
   // When present, indicates that modifications should not be
   // persisted. An invalid or unrecognized dryRun directive will
diff --git a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/helpers.go b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/helpers.go
index 604129e..b41d549 100644
--- a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/helpers.go
+++ b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/helpers.go
@@ -17,6 +17,7 @@
 package v1
 
 import (
+	"encoding/json"
 	"fmt"
 
 	"k8s.io/apimachinery/pkg/fields"
@@ -243,4 +244,18 @@
 	meta.SetAnnotations(existingMeta.GetAnnotations())
 	meta.SetFinalizers(existingMeta.GetFinalizers())
 	meta.SetOwnerReferences(existingMeta.GetOwnerReferences())
+	meta.SetManagedFields(existingMeta.GetManagedFields())
 }
+
+// MarshalJSON implements json.Marshaler
+func (f Fields) MarshalJSON() ([]byte, error) {
+	return json.Marshal(&f.Map)
+}
+
+// UnmarshalJSON implements json.Unmarshaler
+func (f *Fields) UnmarshalJSON(b []byte) error {
+	return json.Unmarshal(b, &f.Map)
+}
+
+var _ json.Marshaler = Fields{}
+var _ json.Unmarshaler = &Fields{}
diff --git a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/meta.go b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/meta.go
index ee14475..05f07ad 100644
--- a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/meta.go
+++ b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/meta.go
@@ -63,6 +63,8 @@
 	SetOwnerReferences([]OwnerReference)
 	GetClusterName() string
 	SetClusterName(clusterName string)
+	GetManagedFields() []ManagedFieldsEntry
+	SetManagedFields(managedFields []ManagedFieldsEntry)
 }
 
 // ListMetaAccessor retrieves the list interface from an object
@@ -166,5 +168,9 @@
 func (meta *ObjectMeta) SetOwnerReferences(references []OwnerReference) {
 	meta.OwnerReferences = references
 }
-func (meta *ObjectMeta) GetClusterName() string            { return meta.ClusterName }
-func (meta *ObjectMeta) SetClusterName(clusterName string) { meta.ClusterName = clusterName }
+func (meta *ObjectMeta) GetClusterName() string                 { return meta.ClusterName }
+func (meta *ObjectMeta) SetClusterName(clusterName string)      { meta.ClusterName = clusterName }
+func (meta *ObjectMeta) GetManagedFields() []ManagedFieldsEntry { return meta.ManagedFields }
+func (meta *ObjectMeta) SetManagedFields(managedFields []ManagedFieldsEntry) {
+	meta.ManagedFields = managedFields
+}
diff --git a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/register.go b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/register.go
index 0827729..76d042a 100644
--- a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/register.go
+++ b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/register.go
@@ -55,6 +55,7 @@
 		&DeleteOptions{},
 		&CreateOptions{},
 		&UpdateOptions{},
+		&PatchOptions{},
 	)
 	utilruntime.Must(scheme.AddConversionFuncs(
 		Convert_v1_WatchEvent_To_watch_Event,
@@ -90,6 +91,7 @@
 		&DeleteOptions{},
 		&CreateOptions{},
 		&UpdateOptions{},
+		&PatchOptions{},
 	)
 
 	// register manually. This usually goes through the SchemeBuilder, which we cannot use here.
diff --git a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/types.go b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/types.go
index 8f488ba..e957849 100644
--- a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/types.go
+++ b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/types.go
@@ -235,6 +235,8 @@
 	// When an object is created, the system will populate this list with the current set of initializers.
 	// Only privileged users may set or modify this list. Once it is empty, it may not be modified further
 	// by any user.
+	//
+	// DEPRECATED - initializers are an alpha field and will be removed in v1.15.
 	Initializers *Initializers `json:"initializers,omitempty" protobuf:"bytes,16,opt,name=initializers"`
 
 	// Must be empty before the object is deleted from the registry. Each entry
@@ -250,6 +252,19 @@
 	// This field is not set anywhere right now and apiserver is going to ignore it if set in create or update request.
 	// +optional
 	ClusterName string `json:"clusterName,omitempty" protobuf:"bytes,15,opt,name=clusterName"`
+
+	// ManagedFields maps workflow-id and version to the set of fields
+	// that are managed by that workflow. This is mostly for internal
+	// housekeeping, and users typically shouldn't need to set or
+	// understand this field. A workflow can be the user's name, a
+	// controller's name, or the name of a specific apply path like
+	// "ci-cd". The set of fields is always in the version that the
+	// workflow used when modifying the object.
+	//
+	// This field is alpha and can be changed or removed without notice.
+	//
+	// +optional
+	ManagedFields []ManagedFieldsEntry `json:"managedFields,omitempty" protobuf:"bytes,17,rep,name=managedFields"`
 }
 
 // Initializers tracks the progress of initialization.
@@ -327,9 +342,9 @@
 	// Defaults to everything.
 	// +optional
 	FieldSelector string `json:"fieldSelector,omitempty" protobuf:"bytes,2,opt,name=fieldSelector"`
-	// If true, partially initialized resources are included in the response.
-	// +optional
-	IncludeUninitialized bool `json:"includeUninitialized,omitempty" protobuf:"varint,6,opt,name=includeUninitialized"`
+
+	// +k8s:deprecated=includeUninitialized,protobuf=6
+
 	// Watch for changes to the described resources and return them as a stream of
 	// add, update, and remove notifications. Specify resourceVersion.
 	// +optional
@@ -384,11 +399,14 @@
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 
 // ExportOptions is the query options to the standard REST get call.
+// Deprecated. Planned for removal in 1.18.
 type ExportOptions struct {
 	TypeMeta `json:",inline"`
 	// Should this value be exported.  Export strips fields that a user can not specify.
+	// Deprecated. Planned for removal in 1.18.
 	Export bool `json:"export" protobuf:"varint,1,opt,name=export"`
 	// Should the export be exact.  Exact export maintains cluster-specific fields like 'Namespace'.
+	// Deprecated. Planned for removal in 1.18.
 	Exact bool `json:"exact" protobuf:"varint,2,opt,name=exact"`
 }
 
@@ -402,9 +420,7 @@
 	// - if it's 0, then we simply return what we currently have in cache, no guarantee;
 	// - if set to non zero, then the result is at least as fresh as given rv.
 	ResourceVersion string `json:"resourceVersion,omitempty" protobuf:"bytes,1,opt,name=resourceVersion"`
-	// If true, partially initialized resources are included in the response.
-	// +optional
-	IncludeUninitialized bool `json:"includeUninitialized,omitempty" protobuf:"varint,2,opt,name=includeUninitialized"`
+	// +k8s:deprecated=includeUninitialized,protobuf=2
 }
 
 // DeletionPropagation decides if a deletion will propagate to the dependents of
@@ -489,15 +505,35 @@
 	// - All: all dry run stages will be processed
 	// +optional
 	DryRun []string `json:"dryRun,omitempty" protobuf:"bytes,1,rep,name=dryRun"`
+	// +k8s:deprecated=includeUninitialized,protobuf=2
+}
 
-	// If IncludeUninitialized is specified, the object may be
-	// returned without completing initialization.
-	IncludeUninitialized bool `json:"includeUninitialized,omitempty" protobuf:"varint,2,opt,name=includeUninitialized"`
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// PatchOptions may be provided when patching an API object.
+// PatchOptions is meant to be a superset of UpdateOptions.
+type PatchOptions struct {
+	TypeMeta `json:",inline"`
+
+	// When present, indicates that modifications should not be
+	// persisted. An invalid or unrecognized dryRun directive will
+	// result in an error response and no further processing of the
+	// request. Valid values are:
+	// - All: all dry run stages will be processed
+	// +optional
+	DryRun []string `json:"dryRun,omitempty" protobuf:"bytes,1,rep,name=dryRun"`
+
+	// Force is going to "force" Apply requests. It means user will
+	// re-acquire conflicting fields owned by other people. Force
+	// flag must be unset for non-apply patch requests.
+	// +optional
+	Force *bool `json:"force,omitempty" protobuf:"varint,2,opt,name=force"`
 }
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 
 // UpdateOptions may be provided when updating an API object.
+// All fields in UpdateOptions should also be present in PatchOptions.
 type UpdateOptions struct {
 	TypeMeta `json:",inline"`
 
@@ -713,6 +749,10 @@
 	// Status code 406
 	StatusReasonNotAcceptable StatusReason = "NotAcceptable"
 
+	// StatusReasonRequestEntityTooLarge means that the request entity is too large.
+	// Status code 413
+	StatusReasonRequestEntityTooLarge StatusReason = "RequestEntityTooLarge"
+
 	// StatusReasonUnsupportedMediaType means that the content type sent by the client is not acceptable
 	// to the server - for instance, attempting to send protobuf for a resource that supports only json and yaml.
 	// API calls that return UnsupportedMediaType can never succeed.
@@ -788,6 +828,9 @@
 	// without the expected return type. The presence of this cause indicates the error may be
 	// due to an intervening proxy or the server software malfunctioning.
 	CauseTypeUnexpectedServerResponse CauseType = "UnexpectedServerResponse"
+	// FieldManagerConflict is used to report when another client claims to manage this field,
+	// It should only be returned for a request using server-side apply.
+	CauseTypeFieldManagerConflict CauseType = "FieldManagerConflict"
 )
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
@@ -902,6 +945,15 @@
 	ShortNames []string `json:"shortNames,omitempty" protobuf:"bytes,5,rep,name=shortNames"`
 	// categories is a list of the grouped resources this resource belongs to (e.g. 'all')
 	Categories []string `json:"categories,omitempty" protobuf:"bytes,7,rep,name=categories"`
+	// The hash value of the storage version, the version this resource is
+	// converted to when written to the data store. Value must be treated
+	// as opaque by clients. Only equality comparison on the value is valid.
+	// This is an alpha feature and may change or be removed in the future.
+	// The field is populated by the apiserver only if the
+	// StorageVersionHash feature gate is enabled.
+	// This field will remain optional even if it graduates.
+	// +optional
+	StorageVersionHash string `json:"storageVersionHash,omitempty" protobuf:"bytes,10,opt,name=storageVersionHash"`
 }
 
 // Verbs masks the value so protobuf can generate
@@ -1003,3 +1055,49 @@
 	LabelSelectorOpExists       LabelSelectorOperator = "Exists"
 	LabelSelectorOpDoesNotExist LabelSelectorOperator = "DoesNotExist"
 )
+
+// ManagedFieldsEntry is a workflow-id, a FieldSet and the group version of the resource
+// that the fieldset applies to.
+type ManagedFieldsEntry struct {
+	// Manager is an identifier of the workflow managing these fields.
+	Manager string `json:"manager,omitempty" protobuf:"bytes,1,opt,name=manager"`
+	// Operation is the type of operation which lead to this ManagedFieldsEntry being created.
+	// The only valid values for this field are 'Apply' and 'Update'.
+	Operation ManagedFieldsOperationType `json:"operation,omitempty" protobuf:"bytes,2,opt,name=operation,casttype=ManagedFieldsOperationType"`
+	// APIVersion defines the version of this resource that this field set
+	// applies to. The format is "group/version" just like the top-level
+	// APIVersion field. It is necessary to track the version of a field
+	// set because it cannot be automatically converted.
+	APIVersion string `json:"apiVersion,omitempty" protobuf:"bytes,3,opt,name=apiVersion"`
+	// Time is timestamp of when these fields were set. It should always be empty if Operation is 'Apply'
+	// +optional
+	Time *Time `json:"time,omitempty" protobuf:"bytes,4,opt,name=time"`
+	// Fields identifies a set of fields.
+	// +optional
+	Fields *Fields `json:"fields,omitempty" protobuf:"bytes,5,opt,name=fields,casttype=Fields"`
+}
+
+// ManagedFieldsOperationType is the type of operation which lead to a ManagedFieldsEntry being created.
+type ManagedFieldsOperationType string
+
+const (
+	ManagedFieldsOperationApply  ManagedFieldsOperationType = "Apply"
+	ManagedFieldsOperationUpdate ManagedFieldsOperationType = "Update"
+)
+
+// Fields stores a set of fields in a data structure like a Trie.
+// To understand how this is used, see: https://github.com/kubernetes-sigs/structured-merge-diff
+type Fields struct {
+	// Map stores a set of fields in a data structure like a Trie.
+	//
+	// Each key is either a '.' representing the field itself, and will always map to an empty set,
+	// or a string representing a sub-field or item. The string will follow one of these four formats:
+	// 'f:<name>', where <name> is the name of a field in a struct, or key in a map
+	// 'v:<value>', where <value> is the exact json formatted value of a list item
+	// 'i:<index>', where <index> is position of a item in a list
+	// 'k:<keys>', where <keys> is a map of  a list item's key fields to their unique values
+	// If a key maps to an empty Fields value, the field that key represents is part of the set.
+	//
+	// The exact format is defined in k8s.io/apiserver/pkg/endpoints/handlers/fieldmanager/internal
+	Map map[string]Fields `json:",inline" protobuf:"bytes,1,rep,name=map"`
+}
diff --git a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/types_swagger_doc_generated.go b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/types_swagger_doc_generated.go
index 679e709..71b2969 100644
--- a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/types_swagger_doc_generated.go
+++ b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/types_swagger_doc_generated.go
@@ -49,16 +49,17 @@
 }
 
 var map_APIResource = map[string]string{
-	"":             "APIResource specifies the name of a resource and whether it is namespaced.",
-	"name":         "name is the plural name of the resource.",
-	"singularName": "singularName is the singular name of the resource.  This allows clients to handle plural and singular opaquely. The singularName is more correct for reporting status on a single item and both singular and plural are allowed from the kubectl CLI interface.",
-	"namespaced":   "namespaced indicates if a resource is namespaced or not.",
-	"group":        "group is the preferred group of the resource.  Empty implies the group of the containing resource list. For subresources, this may have a different value, for example: Scale\".",
-	"version":      "version is the preferred version of the resource.  Empty implies the version of the containing resource list For subresources, this may have a different value, for example: v1 (while inside a v1beta1 version of the core resource's group)\".",
-	"kind":         "kind is the kind for the resource (e.g. 'Foo' is the kind for a resource 'foo')",
-	"verbs":        "verbs is a list of supported kube verbs (this includes get, list, watch, create, update, patch, delete, deletecollection, and proxy)",
-	"shortNames":   "shortNames is a list of suggested short names of the resource.",
-	"categories":   "categories is a list of the grouped resources this resource belongs to (e.g. 'all')",
+	"":                   "APIResource specifies the name of a resource and whether it is namespaced.",
+	"name":               "name is the plural name of the resource.",
+	"singularName":       "singularName is the singular name of the resource.  This allows clients to handle plural and singular opaquely. The singularName is more correct for reporting status on a single item and both singular and plural are allowed from the kubectl CLI interface.",
+	"namespaced":         "namespaced indicates if a resource is namespaced or not.",
+	"group":              "group is the preferred group of the resource.  Empty implies the group of the containing resource list. For subresources, this may have a different value, for example: Scale\".",
+	"version":            "version is the preferred version of the resource.  Empty implies the version of the containing resource list For subresources, this may have a different value, for example: v1 (while inside a v1beta1 version of the core resource's group)\".",
+	"kind":               "kind is the kind for the resource (e.g. 'Foo' is the kind for a resource 'foo')",
+	"verbs":              "verbs is a list of supported kube verbs (this includes get, list, watch, create, update, patch, delete, deletecollection, and proxy)",
+	"shortNames":         "shortNames is a list of suggested short names of the resource.",
+	"categories":         "categories is a list of the grouped resources this resource belongs to (e.g. 'all')",
+	"storageVersionHash": "The hash value of the storage version, the version this resource is converted to when written to the data store. Value must be treated as opaque by clients. Only equality comparison on the value is valid. This is an alpha feature and may change or be removed in the future. The field is populated by the apiserver only if the StorageVersionHash feature gate is enabled. This field will remain optional even if it graduates.",
 }
 
 func (APIResource) SwaggerDoc() map[string]string {
@@ -86,9 +87,8 @@
 }
 
 var map_CreateOptions = map[string]string{
-	"":                     "CreateOptions may be provided when creating an API object.",
-	"dryRun":               "When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed",
-	"includeUninitialized": "If IncludeUninitialized is specified, the object may be returned without completing initialization.",
+	"":       "CreateOptions may be provided when creating an API object.",
+	"dryRun": "When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed",
 }
 
 func (CreateOptions) SwaggerDoc() map[string]string {
@@ -109,19 +109,26 @@
 }
 
 var map_ExportOptions = map[string]string{
-	"":       "ExportOptions is the query options to the standard REST get call.",
-	"export": "Should this value be exported.  Export strips fields that a user can not specify.",
-	"exact":  "Should the export be exact.  Exact export maintains cluster-specific fields like 'Namespace'.",
+	"":       "ExportOptions is the query options to the standard REST get call. Deprecated. Planned for removal in 1.18.",
+	"export": "Should this value be exported.  Export strips fields that a user can not specify. Deprecated. Planned for removal in 1.18.",
+	"exact":  "Should the export be exact.  Exact export maintains cluster-specific fields like 'Namespace'. Deprecated. Planned for removal in 1.18.",
 }
 
 func (ExportOptions) SwaggerDoc() map[string]string {
 	return map_ExportOptions
 }
 
+var map_Fields = map[string]string{
+	"": "Fields stores a set of fields in a data structure like a Trie. To understand how this is used, see: https://github.com/kubernetes-sigs/structured-merge-diff",
+}
+
+func (Fields) SwaggerDoc() map[string]string {
+	return map_Fields
+}
+
 var map_GetOptions = map[string]string{
-	"":                     "GetOptions is the standard query options to the standard REST get call.",
-	"resourceVersion":      "When specified: - if unset, then the result is returned from remote storage based on quorum-read flag; - if it's 0, then we simply return what we currently have in cache, no guarantee; - if set to non zero, then the result is at least as fresh as given rv.",
-	"includeUninitialized": "If true, partially initialized resources are included in the response.",
+	"":                "GetOptions is the standard query options to the standard REST get call.",
+	"resourceVersion": "When specified: - if unset, then the result is returned from remote storage based on quorum-read flag; - if it's 0, then we simply return what we currently have in cache, no guarantee; - if set to non zero, then the result is at least as fresh as given rv.",
 }
 
 func (GetOptions) SwaggerDoc() map[string]string {
@@ -200,21 +207,33 @@
 }
 
 var map_ListOptions = map[string]string{
-	"":                     "ListOptions is the query options to a standard REST list call.",
-	"labelSelector":        "A selector to restrict the list of returned objects by their labels. Defaults to everything.",
-	"fieldSelector":        "A selector to restrict the list of returned objects by their fields. Defaults to everything.",
-	"includeUninitialized": "If true, partially initialized resources are included in the response.",
-	"watch":                "Watch for changes to the described resources and return them as a stream of add, update, and remove notifications. Specify resourceVersion.",
-	"resourceVersion":      "When specified with a watch call, shows changes that occur after that particular version of a resource. Defaults to changes from the beginning of history. When specified for list: - if unset, then the result is returned from remote storage based on quorum-read flag; - if it's 0, then we simply return what we currently have in cache, no guarantee; - if set to non zero, then the result is at least as fresh as given rv.",
-	"timeoutSeconds":       "Timeout for the list/watch call. This limits the duration of the call, regardless of any activity or inactivity.",
-	"limit":                "limit is a maximum number of responses to return for a list call. If more items exist, the server will set the `continue` field on the list metadata to a value that can be used with the same initial query to retrieve the next set of results. Setting a limit may return fewer than the requested amount of items (up to zero items) in the event all requested objects are filtered out and clients should only use the presence of the continue field to determine whether more results are available. Servers may choose not to support the limit argument and will return all of the available results. If limit is specified and the continue field is empty, clients may assume that no more results are available. This field is not supported if watch is true.\n\nThe server guarantees that the objects returned when using continue will be identical to issuing a single list call without a limit - that is, no objects created, modified, or deleted after the first request is issued will be included in any subsequent continued requests. This is sometimes referred to as a consistent snapshot, and ensures that a client that is using limit to receive smaller chunks of a very large result can ensure they see all possible objects. If objects are updated during a chunked list the version of the object that was present at the time the first list result was calculated is returned.",
-	"continue":             "The continue option should be set when retrieving more results from the server. Since this value is server defined, clients may only use the continue value from a previous query result with identical query parameters (except for the value of continue) and the server may reject a continue value it does not recognize. If the specified continue value is no longer valid whether due to expiration (generally five to fifteen minutes) or a configuration change on the server, the server will respond with a 410 ResourceExpired error together with a continue token. If the client needs a consistent list, it must restart their list without the continue field. Otherwise, the client may send another list request with the token received with the 410 error, the server will respond with a list starting from the next key, but from the latest snapshot, which is inconsistent from the previous list results - objects that are created, modified, or deleted after the first list request will be included in the response, as long as their keys are after the \"next key\".\n\nThis field is not supported when watch is true. Clients may start a watch from the last resourceVersion value returned by the server and not miss any modifications.",
+	"":                "ListOptions is the query options to a standard REST list call.",
+	"labelSelector":   "A selector to restrict the list of returned objects by their labels. Defaults to everything.",
+	"fieldSelector":   "A selector to restrict the list of returned objects by their fields. Defaults to everything.",
+	"watch":           "Watch for changes to the described resources and return them as a stream of add, update, and remove notifications. Specify resourceVersion.",
+	"resourceVersion": "When specified with a watch call, shows changes that occur after that particular version of a resource. Defaults to changes from the beginning of history. When specified for list: - if unset, then the result is returned from remote storage based on quorum-read flag; - if it's 0, then we simply return what we currently have in cache, no guarantee; - if set to non zero, then the result is at least as fresh as given rv.",
+	"timeoutSeconds":  "Timeout for the list/watch call. This limits the duration of the call, regardless of any activity or inactivity.",
+	"limit":           "limit is a maximum number of responses to return for a list call. If more items exist, the server will set the `continue` field on the list metadata to a value that can be used with the same initial query to retrieve the next set of results. Setting a limit may return fewer than the requested amount of items (up to zero items) in the event all requested objects are filtered out and clients should only use the presence of the continue field to determine whether more results are available. Servers may choose not to support the limit argument and will return all of the available results. If limit is specified and the continue field is empty, clients may assume that no more results are available. This field is not supported if watch is true.\n\nThe server guarantees that the objects returned when using continue will be identical to issuing a single list call without a limit - that is, no objects created, modified, or deleted after the first request is issued will be included in any subsequent continued requests. This is sometimes referred to as a consistent snapshot, and ensures that a client that is using limit to receive smaller chunks of a very large result can ensure they see all possible objects. If objects are updated during a chunked list the version of the object that was present at the time the first list result was calculated is returned.",
+	"continue":        "The continue option should be set when retrieving more results from the server. Since this value is server defined, clients may only use the continue value from a previous query result with identical query parameters (except for the value of continue) and the server may reject a continue value it does not recognize. If the specified continue value is no longer valid whether due to expiration (generally five to fifteen minutes) or a configuration change on the server, the server will respond with a 410 ResourceExpired error together with a continue token. If the client needs a consistent list, it must restart their list without the continue field. Otherwise, the client may send another list request with the token received with the 410 error, the server will respond with a list starting from the next key, but from the latest snapshot, which is inconsistent from the previous list results - objects that are created, modified, or deleted after the first list request will be included in the response, as long as their keys are after the \"next key\".\n\nThis field is not supported when watch is true. Clients may start a watch from the last resourceVersion value returned by the server and not miss any modifications.",
 }
 
 func (ListOptions) SwaggerDoc() map[string]string {
 	return map_ListOptions
 }
 
+var map_ManagedFieldsEntry = map[string]string{
+	"":           "ManagedFieldsEntry is a workflow-id, a FieldSet and the group version of the resource that the fieldset applies to.",
+	"manager":    "Manager is an identifier of the workflow managing these fields.",
+	"operation":  "Operation is the type of operation which lead to this ManagedFieldsEntry being created. The only valid values for this field are 'Apply' and 'Update'.",
+	"apiVersion": "APIVersion defines the version of this resource that this field set applies to. The format is \"group/version\" just like the top-level APIVersion field. It is necessary to track the version of a field set because it cannot be automatically converted.",
+	"time":       "Time is timestamp of when these fields were set. It should always be empty if Operation is 'Apply'",
+	"fields":     "Fields identifies a set of fields.",
+}
+
+func (ManagedFieldsEntry) SwaggerDoc() map[string]string {
+	return map_ManagedFieldsEntry
+}
+
 var map_ObjectMeta = map[string]string{
 	"":                           "ObjectMeta is metadata that all persisted resources must have, which includes all objects users must create.",
 	"name":                       "Name must be unique within a namespace. Is required when creating resources, although some resources may allow a client to request the generation of an appropriate name automatically. Name is primarily intended for creation idempotence and configuration definition. Cannot be updated. More info: http://kubernetes.io/docs/user-guide/identifiers#names",
@@ -230,9 +249,10 @@
 	"labels":                     "Map of string keys and values that can be used to organize and categorize (scope and select) objects. May match selectors of replication controllers and services. More info: http://kubernetes.io/docs/user-guide/labels",
 	"annotations":                "Annotations is an unstructured key value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable and should be preserved when modifying objects. More info: http://kubernetes.io/docs/user-guide/annotations",
 	"ownerReferences":            "List of objects depended by this object. If ALL objects in the list have been deleted, this object will be garbage collected. If this object is managed by a controller, then an entry in this list will point to this controller, with the controller field set to true. There cannot be more than one managing controller.",
-	"initializers":               "An initializer is a controller which enforces some system invariant at object creation time. This field is a list of initializers that have not yet acted on this object. If nil or empty, this object has been completely initialized. Otherwise, the object is considered uninitialized and is hidden (in list/watch and get calls) from clients that haven't explicitly asked to observe uninitialized objects.\n\nWhen an object is created, the system will populate this list with the current set of initializers. Only privileged users may set or modify this list. Once it is empty, it may not be modified further by any user.",
+	"initializers":               "An initializer is a controller which enforces some system invariant at object creation time. This field is a list of initializers that have not yet acted on this object. If nil or empty, this object has been completely initialized. Otherwise, the object is considered uninitialized and is hidden (in list/watch and get calls) from clients that haven't explicitly asked to observe uninitialized objects.\n\nWhen an object is created, the system will populate this list with the current set of initializers. Only privileged users may set or modify this list. Once it is empty, it may not be modified further by any user.\n\nDEPRECATED - initializers are an alpha field and will be removed in v1.15.",
 	"finalizers":                 "Must be empty before the object is deleted from the registry. Each entry is an identifier for the responsible component that will remove the entry from the list. If the deletionTimestamp of the object is non-nil, entries in this list can only be removed.",
 	"clusterName":                "The name of the cluster which the object belongs to. This is used to distinguish resources with same name and namespace in different clusters. This field is not set anywhere right now and apiserver is going to ignore it if set in create or update request.",
+	"managedFields":              "ManagedFields maps workflow-id and version to the set of fields that are managed by that workflow. This is mostly for internal housekeeping, and users typically shouldn't need to set or understand this field. A workflow can be the user's name, a controller's name, or the name of a specific apply path like \"ci-cd\". The set of fields is always in the version that the workflow used when modifying the object.\n\nThis field is alpha and can be changed or removed without notice.",
 }
 
 func (ObjectMeta) SwaggerDoc() map[string]string {
@@ -261,6 +281,16 @@
 	return map_Patch
 }
 
+var map_PatchOptions = map[string]string{
+	"":       "PatchOptions may be provided when patching an API object. PatchOptions is meant to be a superset of UpdateOptions.",
+	"dryRun": "When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed",
+	"force":  "Force is going to \"force\" Apply requests. It means user will re-acquire conflicting fields owned by other people. Force flag must be unset for non-apply patch requests.",
+}
+
+func (PatchOptions) SwaggerDoc() map[string]string {
+	return map_PatchOptions
+}
+
 var map_Preconditions = map[string]string{
 	"":    "Preconditions must be fulfilled before an operation (update, delete, etc.) is carried out.",
 	"uid": "Specifies the target UID.",
@@ -339,7 +369,7 @@
 }
 
 var map_UpdateOptions = map[string]string{
-	"":       "UpdateOptions may be provided when updating an API object.",
+	"":       "UpdateOptions may be provided when updating an API object. All fields in UpdateOptions should also be present in PatchOptions.",
 	"dryRun": "When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed",
 }
 
diff --git a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured/unstructured.go b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured/unstructured.go
index 781469e..1eaa858 100644
--- a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured/unstructured.go
+++ b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured/unstructured.go
@@ -143,13 +143,20 @@
 	SetNestedField(u.Object, value, fields...)
 }
 
-func (u *Unstructured) setNestedSlice(value []string, fields ...string) {
+func (u *Unstructured) setNestedStringSlice(value []string, fields ...string) {
 	if u.Object == nil {
 		u.Object = make(map[string]interface{})
 	}
 	SetNestedStringSlice(u.Object, value, fields...)
 }
 
+func (u *Unstructured) setNestedSlice(value []interface{}, fields ...string) {
+	if u.Object == nil {
+		u.Object = make(map[string]interface{})
+	}
+	SetNestedSlice(u.Object, value, fields...)
+}
+
 func (u *Unstructured) setNestedMap(value map[string]string, fields ...string) {
 	if u.Object == nil {
 		u.Object = make(map[string]interface{})
@@ -436,7 +443,7 @@
 		RemoveNestedField(u.Object, "metadata", "finalizers")
 		return
 	}
-	u.setNestedSlice(finalizers, "metadata", "finalizers")
+	u.setNestedStringSlice(finalizers, "metadata", "finalizers")
 }
 
 func (u *Unstructured) GetClusterName() string {
@@ -450,3 +457,42 @@
 	}
 	u.setNestedField(clusterName, "metadata", "clusterName")
 }
+
+func (u *Unstructured) GetManagedFields() []metav1.ManagedFieldsEntry {
+	items, found, err := NestedSlice(u.Object, "metadata", "managedFields")
+	if !found || err != nil {
+		return nil
+	}
+	managedFields := []metav1.ManagedFieldsEntry{}
+	for _, item := range items {
+		m, ok := item.(map[string]interface{})
+		if !ok {
+			utilruntime.HandleError(fmt.Errorf("unable to retrieve managedFields for object, item %v is not a map", item))
+			return nil
+		}
+		out := metav1.ManagedFieldsEntry{}
+		if err := runtime.DefaultUnstructuredConverter.FromUnstructured(m, &out); err != nil {
+			utilruntime.HandleError(fmt.Errorf("unable to retrieve managedFields for object: %v", err))
+			return nil
+		}
+		managedFields = append(managedFields, out)
+	}
+	return managedFields
+}
+
+func (u *Unstructured) SetManagedFields(managedFields []metav1.ManagedFieldsEntry) {
+	if managedFields == nil {
+		RemoveNestedField(u.Object, "metadata", "managedFields")
+		return
+	}
+	items := []interface{}{}
+	for _, managedFieldsEntry := range managedFields {
+		out, err := runtime.DefaultUnstructuredConverter.ToUnstructured(&managedFieldsEntry)
+		if err != nil {
+			utilruntime.HandleError(fmt.Errorf("unable to set managedFields for object: %v", err))
+			return
+		}
+		items = append(items, out)
+	}
+	u.setNestedSlice(items, "metadata", "managedFields")
+}
diff --git a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/zz_generated.deepcopy.go b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/zz_generated.deepcopy.go
index 1084599..5b09ac5 100644
--- a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/zz_generated.deepcopy.go
+++ b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/zz_generated.deepcopy.go
@@ -313,6 +313,29 @@
 }
 
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *Fields) DeepCopyInto(out *Fields) {
+	*out = *in
+	if in.Map != nil {
+		in, out := &in.Map, &out.Map
+		*out = make(map[string]Fields, len(*in))
+		for key, val := range *in {
+			(*out)[key] = *val.DeepCopy()
+		}
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Fields.
+func (in *Fields) DeepCopy() *Fields {
+	if in == nil {
+		return nil
+	}
+	out := new(Fields)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *GetOptions) DeepCopyInto(out *GetOptions) {
 	*out = *in
 	out.TypeMeta = in.TypeMeta
@@ -624,6 +647,31 @@
 	return nil
 }
 
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ManagedFieldsEntry) DeepCopyInto(out *ManagedFieldsEntry) {
+	*out = *in
+	if in.Time != nil {
+		in, out := &in.Time, &out.Time
+		*out = (*in).DeepCopy()
+	}
+	if in.Fields != nil {
+		in, out := &in.Fields, &out.Fields
+		*out = new(Fields)
+		(*in).DeepCopyInto(*out)
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ManagedFieldsEntry.
+func (in *ManagedFieldsEntry) DeepCopy() *ManagedFieldsEntry {
+	if in == nil {
+		return nil
+	}
+	out := new(ManagedFieldsEntry)
+	in.DeepCopyInto(out)
+	return out
+}
+
 // DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new MicroTime.
 func (in *MicroTime) DeepCopy() *MicroTime {
 	if in == nil {
@@ -678,6 +726,13 @@
 		*out = make([]string, len(*in))
 		copy(*out, *in)
 	}
+	if in.ManagedFields != nil {
+		in, out := &in.ManagedFields, &out.ManagedFields
+		*out = make([]ManagedFieldsEntry, len(*in))
+		for i := range *in {
+			(*in)[i].DeepCopyInto(&(*out)[i])
+		}
+	}
 	return
 }
 
@@ -734,6 +789,41 @@
 }
 
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *PatchOptions) DeepCopyInto(out *PatchOptions) {
+	*out = *in
+	out.TypeMeta = in.TypeMeta
+	if in.DryRun != nil {
+		in, out := &in.DryRun, &out.DryRun
+		*out = make([]string, len(*in))
+		copy(*out, *in)
+	}
+	if in.Force != nil {
+		in, out := &in.Force, &out.Force
+		*out = new(bool)
+		**out = **in
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new PatchOptions.
+func (in *PatchOptions) DeepCopy() *PatchOptions {
+	if in == nil {
+		return nil
+	}
+	out := new(PatchOptions)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
+func (in *PatchOptions) DeepCopyObject() runtime.Object {
+	if c := in.DeepCopy(); c != nil {
+		return c
+	}
+	return nil
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *Preconditions) DeepCopyInto(out *Preconditions) {
 	*out = *in
 	if in.UID != nil {
diff --git a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1beta1/doc.go b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1beta1/doc.go
index 46b0e13..20c9d2e 100644
--- a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1beta1/doc.go
+++ b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1beta1/doc.go
@@ -20,4 +20,4 @@
 
 // +groupName=meta.k8s.io
 
-package v1beta1
+package v1beta1 // import "k8s.io/apimachinery/pkg/apis/meta/v1beta1"
diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/codec.go b/vendor/k8s.io/apimachinery/pkg/runtime/codec.go
index 6b859b2..284e32b 100644
--- a/vendor/k8s.io/apimachinery/pkg/runtime/codec.go
+++ b/vendor/k8s.io/apimachinery/pkg/runtime/codec.go
@@ -283,6 +283,7 @@
 type multiGroupVersioner struct {
 	target             schema.GroupVersion
 	acceptedGroupKinds []schema.GroupKind
+	coerce             bool
 }
 
 // NewMultiGroupVersioner returns the provided group version for any kind that matches one of the provided group kinds.
@@ -294,6 +295,22 @@
 	return multiGroupVersioner{target: gv, acceptedGroupKinds: groupKinds}
 }
 
+// NewCoercingMultiGroupVersioner returns the provided group version for any incoming kind.
+// Incoming kinds that match the provided groupKinds are preferred.
+// Kind may be empty in the provided group kind, in which case any kind will match.
+// Examples:
+//   gv=mygroup/__internal, groupKinds=mygroup/Foo, anothergroup/Bar
+//   KindForGroupVersionKinds(yetanother/v1/Baz, anothergroup/v1/Bar) -> mygroup/__internal/Bar (matched preferred group/kind)
+//
+//   gv=mygroup/__internal, groupKinds=mygroup, anothergroup
+//   KindForGroupVersionKinds(yetanother/v1/Baz, anothergroup/v1/Bar) -> mygroup/__internal/Bar (matched preferred group)
+//
+//   gv=mygroup/__internal, groupKinds=mygroup, anothergroup
+//   KindForGroupVersionKinds(yetanother/v1/Baz, yetanother/v1/Bar) -> mygroup/__internal/Baz (no preferred group/kind match, uses first kind in list)
+func NewCoercingMultiGroupVersioner(gv schema.GroupVersion, groupKinds ...schema.GroupKind) GroupVersioner {
+	return multiGroupVersioner{target: gv, acceptedGroupKinds: groupKinds, coerce: true}
+}
+
 // KindForGroupVersionKinds returns the target group version if any kind matches any of the original group kinds. It will
 // use the originating kind where possible.
 func (v multiGroupVersioner) KindForGroupVersionKinds(kinds []schema.GroupVersionKind) (schema.GroupVersionKind, bool) {
@@ -308,5 +325,8 @@
 			return v.target.WithKind(src.Kind), true
 		}
 	}
+	if v.coerce && len(kinds) > 0 {
+		return v.target.WithKind(kinds[0].Kind), true
+	}
 	return schema.GroupVersionKind{}, false
 }
diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/converter.go b/vendor/k8s.io/apimachinery/pkg/runtime/converter.go
index dff56e0..8034308 100644
--- a/vendor/k8s.io/apimachinery/pkg/runtime/converter.go
+++ b/vendor/k8s.io/apimachinery/pkg/runtime/converter.go
@@ -746,7 +746,7 @@
 func structToUnstructured(sv, dv reflect.Value) error {
 	st, dt := sv.Type(), dv.Type()
 	if dt.Kind() == reflect.Interface && dv.NumMethod() == 0 {
-		dv.Set(reflect.MakeMap(mapStringInterfaceType))
+		dv.Set(reflect.MakeMapWithSize(mapStringInterfaceType, st.NumField()))
 		dv = dv.Elem()
 		dt = dv.Type()
 	}
diff --git a/vendor/k8s.io/apimachinery/pkg/runtime/types.go b/vendor/k8s.io/apimachinery/pkg/runtime/types.go
index e4515d8..1f7f662 100644
--- a/vendor/k8s.io/apimachinery/pkg/runtime/types.go
+++ b/vendor/k8s.io/apimachinery/pkg/runtime/types.go
@@ -42,6 +42,7 @@
 
 const (
 	ContentTypeJSON string = "application/json"
+	ContentTypeYAML string = "application/yaml"
 )
 
 // RawExtension is used to hold extensions in external versions.
diff --git a/vendor/k8s.io/apimachinery/pkg/types/patch.go b/vendor/k8s.io/apimachinery/pkg/types/patch.go
index d522d1d..fe8ecaa 100644
--- a/vendor/k8s.io/apimachinery/pkg/types/patch.go
+++ b/vendor/k8s.io/apimachinery/pkg/types/patch.go
@@ -25,4 +25,5 @@
 	JSONPatchType           PatchType = "application/json-patch+json"
 	MergePatchType          PatchType = "application/merge-patch+json"
 	StrategicMergePatchType PatchType = "application/strategic-merge-patch+json"
+	ApplyPatchType          PatchType = "application/apply-patch+yaml"
 )
diff --git a/vendor/k8s.io/apimachinery/pkg/util/errors/errors.go b/vendor/k8s.io/apimachinery/pkg/util/errors/errors.go
index 88e9376..62a73f3 100644
--- a/vendor/k8s.io/apimachinery/pkg/util/errors/errors.go
+++ b/vendor/k8s.io/apimachinery/pkg/util/errors/errors.go
@@ -19,6 +19,8 @@
 import (
 	"errors"
 	"fmt"
+
+	"k8s.io/apimachinery/pkg/util/sets"
 )
 
 // MessageCountMap contains occurrence for each error message.
@@ -67,12 +69,38 @@
 	if len(agg) == 1 {
 		return agg[0].Error()
 	}
-	result := fmt.Sprintf("[%s", agg[0].Error())
-	for i := 1; i < len(agg); i++ {
-		result += fmt.Sprintf(", %s", agg[i].Error())
+	seenerrs := sets.NewString()
+	result := ""
+	agg.visit(func(err error) {
+		msg := err.Error()
+		if seenerrs.Has(msg) {
+			return
+		}
+		seenerrs.Insert(msg)
+		if len(seenerrs) > 1 {
+			result += ", "
+		}
+		result += msg
+	})
+	if len(seenerrs) == 1 {
+		return result
 	}
-	result += "]"
-	return result
+	return "[" + result + "]"
+}
+
+func (agg aggregate) visit(f func(err error)) {
+	for _, err := range agg {
+		switch err := err.(type) {
+		case aggregate:
+			err.visit(f)
+		case Aggregate:
+			for _, nestedErr := range err.Errors() {
+				f(nestedErr)
+			}
+		default:
+			f(err)
+		}
+	}
 }
 
 // Errors is part of the Aggregate interface.
diff --git a/vendor/k8s.io/apimachinery/pkg/util/net/http.go b/vendor/k8s.io/apimachinery/pkg/util/net/http.go
index 155667c..078f00d 100644
--- a/vendor/k8s.io/apimachinery/pkg/util/net/http.go
+++ b/vendor/k8s.io/apimachinery/pkg/util/net/http.go
@@ -68,14 +68,17 @@
 	if uerr, ok := err.(*url.Error); ok {
 		err = uerr.Err
 	}
+	msg := err.Error()
 	switch {
 	case err == io.EOF:
 		return true
-	case err.Error() == "http: can't write HTTP request on broken connection":
+	case msg == "http: can't write HTTP request on broken connection":
 		return true
-	case strings.Contains(err.Error(), "connection reset by peer"):
+	case strings.Contains(msg, "http2: server sent GOAWAY and closed the connection"):
 		return true
-	case strings.Contains(strings.ToLower(err.Error()), "use of closed network connection"):
+	case strings.Contains(msg, "connection reset by peer"):
+		return true
+	case strings.Contains(strings.ToLower(msg), "use of closed network connection"):
 		return true
 	}
 	return false
diff --git a/vendor/k8s.io/apimachinery/pkg/util/yaml/decoder.go b/vendor/k8s.io/apimachinery/pkg/util/yaml/decoder.go
index 63d735a..a9a3853 100644
--- a/vendor/k8s.io/apimachinery/pkg/util/yaml/decoder.go
+++ b/vendor/k8s.io/apimachinery/pkg/util/yaml/decoder.go
@@ -217,11 +217,9 @@
 	if d.decoder == nil {
 		buffer, origData, isJSON := GuessJSONStream(d.r, d.bufferSize)
 		if isJSON {
-			klog.V(4).Infof("decoding stream as JSON")
 			d.decoder = json.NewDecoder(buffer)
 			d.rawData = origData
 		} else {
-			klog.V(4).Infof("decoding stream as YAML")
 			d.decoder = NewYAMLToJSONDecoder(buffer)
 		}
 	}
diff --git a/vendor/k8s.io/klog/.travis.yml b/vendor/k8s.io/klog/.travis.yml
index fc0d2ca..0f508da 100644
--- a/vendor/k8s.io/klog/.travis.yml
+++ b/vendor/k8s.io/klog/.travis.yml
@@ -1,4 +1,5 @@
 language: go
+go_import_path: k8s.io/klog
 dist: xenial
 go:
   - 1.9.x
diff --git a/vendor/k8s.io/klog/CONTRIBUTING.md b/vendor/k8s.io/klog/CONTRIBUTING.md
index de47115..574a56a 100644
--- a/vendor/k8s.io/klog/CONTRIBUTING.md
+++ b/vendor/k8s.io/klog/CONTRIBUTING.md
@@ -8,10 +8,6 @@
 
 We have full documentation on how to get started contributing here:
 
-<!---
-If your repo has certain guidelines for contribution, put them here ahead of the general k8s resources
--->
-
 - [Contributor License Agreement](https://git.k8s.io/community/CLA.md) Kubernetes projects require that you sign a Contributor License Agreement (CLA) before we can accept your pull requests
 - [Kubernetes Contributor Guide](http://git.k8s.io/community/contributors/guide) - Main contributor documentation, or you can just jump directly to the [contributing section](http://git.k8s.io/community/contributors/guide#contributing)
 - [Contributor Cheat Sheet](https://git.k8s.io/community/contributors/guide/contributor-cheatsheet.md) - Common resources for existing developers
@@ -20,12 +16,7 @@
 
 - [Mentoring Initiatives](https://git.k8s.io/community/mentoring) - We have a diverse set of mentorship programs available that are always looking for volunteers!
 
-<!---
-Custom Information - if you're copying this template for the first time you can add custom content here, for example:
-
 ## Contact Information
 
-- [Slack channel](https://kubernetes.slack.com/messages/kubernetes-users) - Replace `kubernetes-users` with your slack channel string, this will send users directly to your channel. 
-- [Mailing list](URL)
-
--->
+- [Slack](https://kubernetes.slack.com/messages/sig-architecture)
+- [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-sig-architecture)
diff --git a/vendor/k8s.io/klog/OWNERS b/vendor/k8s.io/klog/OWNERS
index 56b0eb0..d0168e8 100644
--- a/vendor/k8s.io/klog/OWNERS
+++ b/vendor/k8s.io/klog/OWNERS
@@ -1,4 +1,4 @@
-# See the OWNERS docs: https://git.k8s.io/community/contributors/guide/owners.md
+# See the OWNERS docs at https://go.k8s.io/owners
 
 approvers:
   - dims
diff --git a/vendor/k8s.io/klog/README.md b/vendor/k8s.io/klog/README.md
index a747f53..6cb6d16 100644
--- a/vendor/k8s.io/klog/README.md
+++ b/vendor/k8s.io/klog/README.md
@@ -5,6 +5,32 @@
 
 ----
 
+How to use klog
+===============
+- Replace imports for `github.com/golang/glog` with `k8s.io/klog`
+- Use `klog.InitFlags(nil)` explicitly for initializing global flags as we no longer use `init()` method to register the flags
+- You can now use `log-file` instead of `log-dir` for logging to a single file (See `examples/log_file/usage_log_file.go`)
+- If you want to redirect everything logged using klog somewhere else (say syslog!), you can use `klog.SetOutput()` method and supply a `io.Writer`. (See `examples/set_output/usage_set_output.go`)
+- For more logging conventions (See [Logging Conventions](https://github.com/kubernetes/community/blob/master/contributors/devel/logging.md))
+
+### Coexisting with glog
+This package can be used side by side with glog. [This example](examples/coexist_glog/coexist_glog.go) shows how to initialize and syncronize flags from the global `flag.CommandLine` FlagSet. In addition, the example makes use of stderr as combined output by setting `alsologtostderr` (or `logtostderr`) to `true`.
+
+## Community, discussion, contribution, and support
+
+Learn how to engage with the Kubernetes community on the [community page](http://kubernetes.io/community/).
+
+You can reach the maintainers of this project at:
+
+- [Slack](https://kubernetes.slack.com/messages/sig-architecture)
+- [Mailing List](https://groups.google.com/forum/#!forum/kubernetes-sig-architecture)
+
+### Code of conduct
+
+Participation in the Kubernetes community is governed by the [Kubernetes Code of Conduct](code-of-conduct.md).
+
+----
+
 glog
 ====
 
@@ -26,20 +52,20 @@
 	Error, Fatal, plus formatting variants such as Infof. It
 	also provides V-style logging controlled by the -v and
 	-vmodule=file=2 flags.
-	
+
 	Basic examples:
-	
+
 		glog.Info("Prepare to repel boarders")
-	
+
 		glog.Fatalf("Initialization failed: %s", err)
-	
+
 	See the documentation for the V function for an explanation
 	of these examples:
-	
+
 		if glog.V(2) {
 			glog.Info("Starting transaction...")
 		}
-	
+
 		glog.V(2).Infoln("Processed", nItems, "elements")
 
 
diff --git a/vendor/k8s.io/klog/code-of-conduct.md b/vendor/k8s.io/klog/code-of-conduct.md
new file mode 100644
index 0000000..0d15c00
--- /dev/null
+++ b/vendor/k8s.io/klog/code-of-conduct.md
@@ -0,0 +1,3 @@
+# Kubernetes Community Code of Conduct
+
+Please refer to our [Kubernetes Community Code of Conduct](https://git.k8s.io/community/code-of-conduct.md)
diff --git a/vendor/k8s.io/klog/klog.go b/vendor/k8s.io/klog/klog.go
index 13bcc81..733d14b 100644
--- a/vendor/k8s.io/klog/klog.go
+++ b/vendor/k8s.io/klog/klog.go
@@ -43,7 +43,7 @@
 //		Logs are written to standard error instead of to files.
 //	-alsologtostderr=false
 //		Logs are written to standard error as well as to files.
-//	-stderrthreshold=ERROR
+//	-stderrthreshold=INFO
 //		Log events at or above this severity are logged to standard
 //		error as well as to files.
 //	-log_dir=""
@@ -396,8 +396,8 @@
 }
 
 func init() {
-	// Default stderrThreshold is ERROR.
-	logging.stderrThreshold = errorLog
+	// Default stderrThreshold is INFO.
+	logging.stderrThreshold = infoLog
 
 	logging.setVState(0, nil, false)
 	go logging.flushDaemon()
@@ -410,9 +410,9 @@
 	}
 	flagset.StringVar(&logging.logDir, "log_dir", "", "If non-empty, write log files in this directory")
 	flagset.StringVar(&logging.logFile, "log_file", "", "If non-empty, use this log file")
-	flagset.BoolVar(&logging.toStderr, "logtostderr", false, "log to standard error instead of files")
+	flagset.BoolVar(&logging.toStderr, "logtostderr", true, "log to standard error instead of files")
 	flagset.BoolVar(&logging.alsoToStderr, "alsologtostderr", false, "log to standard error as well as files")
-	flagset.Var(&logging.verbosity, "v", "log level for V logs")
+	flagset.Var(&logging.verbosity, "v", "number for the log level verbosity")
 	flagset.BoolVar(&logging.skipHeaders, "skip_headers", false, "If true, avoid header prefixes in the log messages")
 	flagset.Var(&logging.stderrThreshold, "stderrthreshold", "logs at or above this threshold go to stderr")
 	flagset.Var(&logging.vmodule, "vmodule", "comma-separated list of pattern=N settings for file-filtered logging")
@@ -739,7 +739,9 @@
 	}
 	data := buf.Bytes()
 	if l.toStderr {
-		os.Stderr.Write(data)
+		if s >= l.stderrThreshold.get() {
+			os.Stderr.Write(data)
+		}
 	} else {
 		if alsoToStderr || l.alsoToStderr || s >= l.stderrThreshold.get() {
 			os.Stderr.Write(data)
@@ -934,7 +936,7 @@
 	return nil
 }
 
-const flushInterval = 30 * time.Second
+const flushInterval = 5 * time.Second
 
 // flushDaemon periodically flushes the log file buffers.
 func (l *loggingT) flushDaemon() {