[VOL-4290] Voltha go library updates for gRPC migration
Change-Id: I1aa2774beb6b7ed7419bc45aeb53fcae8a8ecda0
diff --git a/vendor/github.com/coreos/etcd/store/metrics.go b/vendor/github.com/coreos/etcd/store/metrics.go
new file mode 100644
index 0000000..077c0fa
--- /dev/null
+++ b/vendor/github.com/coreos/etcd/store/metrics.go
@@ -0,0 +1,132 @@
+// 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 store
+
+import (
+ "github.com/prometheus/client_golang/prometheus"
+)
+
+// Set of raw Prometheus metrics.
+// Labels
+// * action = declared in event.go
+// * outcome = Outcome
+// Do not increment directly, use Report* methods.
+var (
+ readCounter = prometheus.NewCounterVec(
+ prometheus.CounterOpts{
+ Namespace: "etcd_debugging",
+ Subsystem: "store",
+ Name: "reads_total",
+ Help: "Total number of reads action by (get/getRecursive), local to this member.",
+ }, []string{"action"})
+
+ writeCounter = prometheus.NewCounterVec(
+ prometheus.CounterOpts{
+ Namespace: "etcd_debugging",
+ Subsystem: "store",
+ Name: "writes_total",
+ Help: "Total number of writes (e.g. set/compareAndDelete) seen by this member.",
+ }, []string{"action"})
+
+ readFailedCounter = prometheus.NewCounterVec(
+ prometheus.CounterOpts{
+ Namespace: "etcd_debugging",
+ Subsystem: "store",
+ Name: "reads_failed_total",
+ Help: "Failed read actions by (get/getRecursive), local to this member.",
+ }, []string{"action"})
+
+ writeFailedCounter = prometheus.NewCounterVec(
+ prometheus.CounterOpts{
+ Namespace: "etcd_debugging",
+ Subsystem: "store",
+ Name: "writes_failed_total",
+ Help: "Failed write actions (e.g. set/compareAndDelete), seen by this member.",
+ }, []string{"action"})
+
+ expireCounter = prometheus.NewCounter(
+ prometheus.CounterOpts{
+ Namespace: "etcd_debugging",
+ Subsystem: "store",
+ Name: "expires_total",
+ Help: "Total number of expired keys.",
+ })
+
+ watchRequests = prometheus.NewCounter(
+ prometheus.CounterOpts{
+ Namespace: "etcd_debugging",
+ Subsystem: "store",
+ Name: "watch_requests_total",
+ Help: "Total number of incoming watch requests (new or reestablished).",
+ })
+
+ watcherCount = prometheus.NewGauge(
+ prometheus.GaugeOpts{
+ Namespace: "etcd_debugging",
+ Subsystem: "store",
+ Name: "watchers",
+ Help: "Count of currently active watchers.",
+ })
+)
+
+const (
+ GetRecursive = "getRecursive"
+)
+
+func init() {
+ if prometheus.Register(readCounter) != nil {
+ // Tests will try to double register since the tests use both
+ // store and store_test packages; ignore second attempts.
+ return
+ }
+ prometheus.MustRegister(writeCounter)
+ prometheus.MustRegister(expireCounter)
+ prometheus.MustRegister(watchRequests)
+ prometheus.MustRegister(watcherCount)
+}
+
+func reportReadSuccess(read_action string) {
+ readCounter.WithLabelValues(read_action).Inc()
+}
+
+func reportReadFailure(read_action string) {
+ readCounter.WithLabelValues(read_action).Inc()
+ readFailedCounter.WithLabelValues(read_action).Inc()
+}
+
+func reportWriteSuccess(write_action string) {
+ writeCounter.WithLabelValues(write_action).Inc()
+}
+
+func reportWriteFailure(write_action string) {
+ writeCounter.WithLabelValues(write_action).Inc()
+ writeFailedCounter.WithLabelValues(write_action).Inc()
+}
+
+func reportExpiredKey() {
+ expireCounter.Inc()
+}
+
+func reportWatchRequest() {
+ watchRequests.Inc()
+}
+
+func reportWatcherAdded() {
+ watcherCount.Inc()
+}
+
+func reportWatcherRemoved() {
+ watcherCount.Dec()
+}