This update provides:
1) workaround around the build failures. In
summary, it forces the download of some packages during the build
process.
2) update the set of packages that should go inside the vendor
directory
3) Update the dockerfile to use go 1.10
Change-Id: I2bfd090ce0f25b0c10aa214755ae2da7e5384d60
diff --git a/vendor/github.com/coreos/etcd/rafthttp/pipeline.go b/vendor/github.com/coreos/etcd/rafthttp/pipeline.go
new file mode 100644
index 0000000..d9f07c3
--- /dev/null
+++ b/vendor/github.com/coreos/etcd/rafthttp/pipeline.go
@@ -0,0 +1,160 @@
+// 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 rafthttp
+
+import (
+ "bytes"
+ "context"
+ "errors"
+ "io/ioutil"
+ "sync"
+ "time"
+
+ "github.com/coreos/etcd/etcdserver/stats"
+ "github.com/coreos/etcd/pkg/pbutil"
+ "github.com/coreos/etcd/pkg/types"
+ "github.com/coreos/etcd/raft"
+ "github.com/coreos/etcd/raft/raftpb"
+)
+
+const (
+ connPerPipeline = 4
+ // pipelineBufSize is the size of pipeline buffer, which helps hold the
+ // temporary network latency.
+ // The size ensures that pipeline does not drop messages when the network
+ // is out of work for less than 1 second in good path.
+ pipelineBufSize = 64
+)
+
+var errStopped = errors.New("stopped")
+
+type pipeline struct {
+ peerID types.ID
+
+ tr *Transport
+ picker *urlPicker
+ status *peerStatus
+ raft Raft
+ errorc chan error
+ // deprecate when we depercate v2 API
+ followerStats *stats.FollowerStats
+
+ msgc chan raftpb.Message
+ // wait for the handling routines
+ wg sync.WaitGroup
+ stopc chan struct{}
+}
+
+func (p *pipeline) start() {
+ p.stopc = make(chan struct{})
+ p.msgc = make(chan raftpb.Message, pipelineBufSize)
+ p.wg.Add(connPerPipeline)
+ for i := 0; i < connPerPipeline; i++ {
+ go p.handle()
+ }
+ plog.Infof("started HTTP pipelining with peer %s", p.peerID)
+}
+
+func (p *pipeline) stop() {
+ close(p.stopc)
+ p.wg.Wait()
+ plog.Infof("stopped HTTP pipelining with peer %s", p.peerID)
+}
+
+func (p *pipeline) handle() {
+ defer p.wg.Done()
+
+ for {
+ select {
+ case m := <-p.msgc:
+ start := time.Now()
+ err := p.post(pbutil.MustMarshal(&m))
+ end := time.Now()
+
+ if err != nil {
+ p.status.deactivate(failureType{source: pipelineMsg, action: "write"}, err.Error())
+
+ if m.Type == raftpb.MsgApp && p.followerStats != nil {
+ p.followerStats.Fail()
+ }
+ p.raft.ReportUnreachable(m.To)
+ if isMsgSnap(m) {
+ p.raft.ReportSnapshot(m.To, raft.SnapshotFailure)
+ }
+ sentFailures.WithLabelValues(types.ID(m.To).String()).Inc()
+ continue
+ }
+
+ p.status.activate()
+ if m.Type == raftpb.MsgApp && p.followerStats != nil {
+ p.followerStats.Succ(end.Sub(start))
+ }
+ if isMsgSnap(m) {
+ p.raft.ReportSnapshot(m.To, raft.SnapshotFinish)
+ }
+ sentBytes.WithLabelValues(types.ID(m.To).String()).Add(float64(m.Size()))
+ case <-p.stopc:
+ return
+ }
+ }
+}
+
+// post POSTs a data payload to a url. Returns nil if the POST succeeds,
+// error on any failure.
+func (p *pipeline) post(data []byte) (err error) {
+ u := p.picker.pick()
+ req := createPostRequest(u, RaftPrefix, bytes.NewBuffer(data), "application/protobuf", p.tr.URLs, p.tr.ID, p.tr.ClusterID)
+
+ done := make(chan struct{}, 1)
+ ctx, cancel := context.WithCancel(context.Background())
+ req = req.WithContext(ctx)
+ go func() {
+ select {
+ case <-done:
+ case <-p.stopc:
+ waitSchedule()
+ cancel()
+ }
+ }()
+
+ resp, err := p.tr.pipelineRt.RoundTrip(req)
+ done <- struct{}{}
+ if err != nil {
+ p.picker.unreachable(u)
+ return err
+ }
+ b, err := ioutil.ReadAll(resp.Body)
+ if err != nil {
+ p.picker.unreachable(u)
+ return err
+ }
+ resp.Body.Close()
+
+ err = checkPostResponse(resp, b, req, p.peerID)
+ if err != nil {
+ p.picker.unreachable(u)
+ // errMemberRemoved is a critical error since a removed member should
+ // always be stopped. So we use reportCriticalError to report it to errorc.
+ if err == errMemberRemoved {
+ reportCriticalError(err, p.errorc)
+ }
+ return err
+ }
+
+ return nil
+}
+
+// waitSchedule waits other goroutines to be scheduled for a while
+func waitSchedule() { time.Sleep(time.Millisecond) }