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/msgappv2_codec.go b/vendor/github.com/coreos/etcd/rafthttp/msgappv2_codec.go
new file mode 100644
index 0000000..013ffe7
--- /dev/null
+++ b/vendor/github.com/coreos/etcd/rafthttp/msgappv2_codec.go
@@ -0,0 +1,248 @@
+// 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 (
+ "encoding/binary"
+ "fmt"
+ "io"
+ "time"
+
+ "github.com/coreos/etcd/etcdserver/stats"
+ "github.com/coreos/etcd/pkg/pbutil"
+ "github.com/coreos/etcd/pkg/types"
+ "github.com/coreos/etcd/raft/raftpb"
+)
+
+const (
+ msgTypeLinkHeartbeat uint8 = 0
+ msgTypeAppEntries uint8 = 1
+ msgTypeApp uint8 = 2
+
+ msgAppV2BufSize = 1024 * 1024
+)
+
+// msgappv2 stream sends three types of message: linkHeartbeatMessage,
+// AppEntries and MsgApp. AppEntries is the MsgApp that is sent in
+// replicate state in raft, whose index and term are fully predictable.
+//
+// Data format of linkHeartbeatMessage:
+// | offset | bytes | description |
+// +--------+-------+-------------+
+// | 0 | 1 | \x00 |
+//
+// Data format of AppEntries:
+// | offset | bytes | description |
+// +--------+-------+-------------+
+// | 0 | 1 | \x01 |
+// | 1 | 8 | length of entries |
+// | 9 | 8 | length of first entry |
+// | 17 | n1 | first entry |
+// ...
+// | x | 8 | length of k-th entry data |
+// | x+8 | nk | k-th entry data |
+// | x+8+nk | 8 | commit index |
+//
+// Data format of MsgApp:
+// | offset | bytes | description |
+// +--------+-------+-------------+
+// | 0 | 1 | \x02 |
+// | 1 | 8 | length of encoded message |
+// | 9 | n | encoded message |
+type msgAppV2Encoder struct {
+ w io.Writer
+ fs *stats.FollowerStats
+
+ term uint64
+ index uint64
+ buf []byte
+ uint64buf []byte
+ uint8buf []byte
+}
+
+func newMsgAppV2Encoder(w io.Writer, fs *stats.FollowerStats) *msgAppV2Encoder {
+ return &msgAppV2Encoder{
+ w: w,
+ fs: fs,
+ buf: make([]byte, msgAppV2BufSize),
+ uint64buf: make([]byte, 8),
+ uint8buf: make([]byte, 1),
+ }
+}
+
+func (enc *msgAppV2Encoder) encode(m *raftpb.Message) error {
+ start := time.Now()
+ switch {
+ case isLinkHeartbeatMessage(m):
+ enc.uint8buf[0] = byte(msgTypeLinkHeartbeat)
+ if _, err := enc.w.Write(enc.uint8buf); err != nil {
+ return err
+ }
+ case enc.index == m.Index && enc.term == m.LogTerm && m.LogTerm == m.Term:
+ enc.uint8buf[0] = byte(msgTypeAppEntries)
+ if _, err := enc.w.Write(enc.uint8buf); err != nil {
+ return err
+ }
+ // write length of entries
+ binary.BigEndian.PutUint64(enc.uint64buf, uint64(len(m.Entries)))
+ if _, err := enc.w.Write(enc.uint64buf); err != nil {
+ return err
+ }
+ for i := 0; i < len(m.Entries); i++ {
+ // write length of entry
+ binary.BigEndian.PutUint64(enc.uint64buf, uint64(m.Entries[i].Size()))
+ if _, err := enc.w.Write(enc.uint64buf); err != nil {
+ return err
+ }
+ if n := m.Entries[i].Size(); n < msgAppV2BufSize {
+ if _, err := m.Entries[i].MarshalTo(enc.buf); err != nil {
+ return err
+ }
+ if _, err := enc.w.Write(enc.buf[:n]); err != nil {
+ return err
+ }
+ } else {
+ if _, err := enc.w.Write(pbutil.MustMarshal(&m.Entries[i])); err != nil {
+ return err
+ }
+ }
+ enc.index++
+ }
+ // write commit index
+ binary.BigEndian.PutUint64(enc.uint64buf, m.Commit)
+ if _, err := enc.w.Write(enc.uint64buf); err != nil {
+ return err
+ }
+ enc.fs.Succ(time.Since(start))
+ default:
+ if err := binary.Write(enc.w, binary.BigEndian, msgTypeApp); err != nil {
+ return err
+ }
+ // write size of message
+ if err := binary.Write(enc.w, binary.BigEndian, uint64(m.Size())); err != nil {
+ return err
+ }
+ // write message
+ if _, err := enc.w.Write(pbutil.MustMarshal(m)); err != nil {
+ return err
+ }
+
+ enc.term = m.Term
+ enc.index = m.Index
+ if l := len(m.Entries); l > 0 {
+ enc.index = m.Entries[l-1].Index
+ }
+ enc.fs.Succ(time.Since(start))
+ }
+ return nil
+}
+
+type msgAppV2Decoder struct {
+ r io.Reader
+ local, remote types.ID
+
+ term uint64
+ index uint64
+ buf []byte
+ uint64buf []byte
+ uint8buf []byte
+}
+
+func newMsgAppV2Decoder(r io.Reader, local, remote types.ID) *msgAppV2Decoder {
+ return &msgAppV2Decoder{
+ r: r,
+ local: local,
+ remote: remote,
+ buf: make([]byte, msgAppV2BufSize),
+ uint64buf: make([]byte, 8),
+ uint8buf: make([]byte, 1),
+ }
+}
+
+func (dec *msgAppV2Decoder) decode() (raftpb.Message, error) {
+ var (
+ m raftpb.Message
+ typ uint8
+ )
+ if _, err := io.ReadFull(dec.r, dec.uint8buf); err != nil {
+ return m, err
+ }
+ typ = uint8(dec.uint8buf[0])
+ switch typ {
+ case msgTypeLinkHeartbeat:
+ return linkHeartbeatMessage, nil
+ case msgTypeAppEntries:
+ m = raftpb.Message{
+ Type: raftpb.MsgApp,
+ From: uint64(dec.remote),
+ To: uint64(dec.local),
+ Term: dec.term,
+ LogTerm: dec.term,
+ Index: dec.index,
+ }
+
+ // decode entries
+ if _, err := io.ReadFull(dec.r, dec.uint64buf); err != nil {
+ return m, err
+ }
+ l := binary.BigEndian.Uint64(dec.uint64buf)
+ m.Entries = make([]raftpb.Entry, int(l))
+ for i := 0; i < int(l); i++ {
+ if _, err := io.ReadFull(dec.r, dec.uint64buf); err != nil {
+ return m, err
+ }
+ size := binary.BigEndian.Uint64(dec.uint64buf)
+ var buf []byte
+ if size < msgAppV2BufSize {
+ buf = dec.buf[:size]
+ if _, err := io.ReadFull(dec.r, buf); err != nil {
+ return m, err
+ }
+ } else {
+ buf = make([]byte, int(size))
+ if _, err := io.ReadFull(dec.r, buf); err != nil {
+ return m, err
+ }
+ }
+ dec.index++
+ // 1 alloc
+ pbutil.MustUnmarshal(&m.Entries[i], buf)
+ }
+ // decode commit index
+ if _, err := io.ReadFull(dec.r, dec.uint64buf); err != nil {
+ return m, err
+ }
+ m.Commit = binary.BigEndian.Uint64(dec.uint64buf)
+ case msgTypeApp:
+ var size uint64
+ if err := binary.Read(dec.r, binary.BigEndian, &size); err != nil {
+ return m, err
+ }
+ buf := make([]byte, int(size))
+ if _, err := io.ReadFull(dec.r, buf); err != nil {
+ return m, err
+ }
+ pbutil.MustUnmarshal(&m, buf)
+
+ dec.term = m.Term
+ dec.index = m.Index
+ if l := len(m.Entries); l > 0 {
+ dec.index = m.Entries[l-1].Index
+ }
+ default:
+ return m, fmt.Errorf("failed to parse type %d in msgappv2 stream", typ)
+ }
+ return m, nil
+}