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/proxy/grpcproxy/adapter/chan_stream.go b/vendor/github.com/coreos/etcd/proxy/grpcproxy/adapter/chan_stream.go
new file mode 100644
index 0000000..82e3411
--- /dev/null
+++ b/vendor/github.com/coreos/etcd/proxy/grpcproxy/adapter/chan_stream.go
@@ -0,0 +1,165 @@
+// Copyright 2017 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 adapter
+
+import (
+ "context"
+
+ "google.golang.org/grpc"
+ "google.golang.org/grpc/metadata"
+)
+
+// chanServerStream implements grpc.ServerStream with a chanStream
+type chanServerStream struct {
+ headerc chan<- metadata.MD
+ trailerc chan<- metadata.MD
+ grpc.Stream
+
+ headers []metadata.MD
+}
+
+func (ss *chanServerStream) SendHeader(md metadata.MD) error {
+ if ss.headerc == nil {
+ return errAlreadySentHeader
+ }
+ outmd := make(map[string][]string)
+ for _, h := range append(ss.headers, md) {
+ for k, v := range h {
+ outmd[k] = v
+ }
+ }
+ select {
+ case ss.headerc <- outmd:
+ ss.headerc = nil
+ ss.headers = nil
+ return nil
+ case <-ss.Context().Done():
+ }
+ return ss.Context().Err()
+}
+
+func (ss *chanServerStream) SetHeader(md metadata.MD) error {
+ if ss.headerc == nil {
+ return errAlreadySentHeader
+ }
+ ss.headers = append(ss.headers, md)
+ return nil
+}
+
+func (ss *chanServerStream) SetTrailer(md metadata.MD) {
+ ss.trailerc <- md
+}
+
+// chanClientStream implements grpc.ClientStream with a chanStream
+type chanClientStream struct {
+ headerc <-chan metadata.MD
+ trailerc <-chan metadata.MD
+ *chanStream
+}
+
+func (cs *chanClientStream) Header() (metadata.MD, error) {
+ select {
+ case md := <-cs.headerc:
+ return md, nil
+ case <-cs.Context().Done():
+ }
+ return nil, cs.Context().Err()
+}
+
+func (cs *chanClientStream) Trailer() metadata.MD {
+ select {
+ case md := <-cs.trailerc:
+ return md
+ case <-cs.Context().Done():
+ return nil
+ }
+}
+
+func (cs *chanClientStream) CloseSend() error {
+ close(cs.chanStream.sendc)
+ return nil
+}
+
+// chanStream implements grpc.Stream using channels
+type chanStream struct {
+ recvc <-chan interface{}
+ sendc chan<- interface{}
+ ctx context.Context
+ cancel context.CancelFunc
+}
+
+func (s *chanStream) Context() context.Context { return s.ctx }
+
+func (s *chanStream) SendMsg(m interface{}) error {
+ select {
+ case s.sendc <- m:
+ if err, ok := m.(error); ok {
+ return err
+ }
+ return nil
+ case <-s.ctx.Done():
+ }
+ return s.ctx.Err()
+}
+
+func (s *chanStream) RecvMsg(m interface{}) error {
+ v := m.(*interface{})
+ for {
+ select {
+ case msg, ok := <-s.recvc:
+ if !ok {
+ return grpc.ErrClientConnClosing
+ }
+ if err, ok := msg.(error); ok {
+ return err
+ }
+ *v = msg
+ return nil
+ case <-s.ctx.Done():
+ }
+ if len(s.recvc) == 0 {
+ // prioritize any pending recv messages over canceled context
+ break
+ }
+ }
+ return s.ctx.Err()
+}
+
+func newPipeStream(ctx context.Context, ssHandler func(chanServerStream) error) chanClientStream {
+ // ch1 is buffered so server can send error on close
+ ch1, ch2 := make(chan interface{}, 1), make(chan interface{})
+ headerc, trailerc := make(chan metadata.MD, 1), make(chan metadata.MD, 1)
+
+ cctx, ccancel := context.WithCancel(ctx)
+ cli := &chanStream{recvc: ch1, sendc: ch2, ctx: cctx, cancel: ccancel}
+ cs := chanClientStream{headerc, trailerc, cli}
+
+ sctx, scancel := context.WithCancel(ctx)
+ srv := &chanStream{recvc: ch2, sendc: ch1, ctx: sctx, cancel: scancel}
+ ss := chanServerStream{headerc, trailerc, srv, nil}
+
+ go func() {
+ if err := ssHandler(ss); err != nil {
+ select {
+ case srv.sendc <- err:
+ case <-sctx.Done():
+ case <-cctx.Done():
+ }
+ }
+ scancel()
+ ccancel()
+ }()
+ return cs
+}