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/wal/decoder.go b/vendor/github.com/coreos/etcd/wal/decoder.go
new file mode 100644
index 0000000..6a217f8
--- /dev/null
+++ b/vendor/github.com/coreos/etcd/wal/decoder.go
@@ -0,0 +1,188 @@
+// 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 wal
+
+import (
+ "bufio"
+ "encoding/binary"
+ "hash"
+ "io"
+ "sync"
+
+ "github.com/coreos/etcd/pkg/crc"
+ "github.com/coreos/etcd/pkg/pbutil"
+ "github.com/coreos/etcd/raft/raftpb"
+ "github.com/coreos/etcd/wal/walpb"
+)
+
+const minSectorSize = 512
+
+// frameSizeBytes is frame size in bytes, including record size and padding size.
+const frameSizeBytes = 8
+
+type decoder struct {
+ mu sync.Mutex
+ brs []*bufio.Reader
+
+ // lastValidOff file offset following the last valid decoded record
+ lastValidOff int64
+ crc hash.Hash32
+}
+
+func newDecoder(r ...io.Reader) *decoder {
+ readers := make([]*bufio.Reader, len(r))
+ for i := range r {
+ readers[i] = bufio.NewReader(r[i])
+ }
+ return &decoder{
+ brs: readers,
+ crc: crc.New(0, crcTable),
+ }
+}
+
+func (d *decoder) decode(rec *walpb.Record) error {
+ rec.Reset()
+ d.mu.Lock()
+ defer d.mu.Unlock()
+ return d.decodeRecord(rec)
+}
+
+func (d *decoder) decodeRecord(rec *walpb.Record) error {
+ if len(d.brs) == 0 {
+ return io.EOF
+ }
+
+ l, err := readInt64(d.brs[0])
+ if err == io.EOF || (err == nil && l == 0) {
+ // hit end of file or preallocated space
+ d.brs = d.brs[1:]
+ if len(d.brs) == 0 {
+ return io.EOF
+ }
+ d.lastValidOff = 0
+ return d.decodeRecord(rec)
+ }
+ if err != nil {
+ return err
+ }
+
+ recBytes, padBytes := decodeFrameSize(l)
+
+ data := make([]byte, recBytes+padBytes)
+ if _, err = io.ReadFull(d.brs[0], data); err != nil {
+ // ReadFull returns io.EOF only if no bytes were read
+ // the decoder should treat this as an ErrUnexpectedEOF instead.
+ if err == io.EOF {
+ err = io.ErrUnexpectedEOF
+ }
+ return err
+ }
+ if err := rec.Unmarshal(data[:recBytes]); err != nil {
+ if d.isTornEntry(data) {
+ return io.ErrUnexpectedEOF
+ }
+ return err
+ }
+
+ // skip crc checking if the record type is crcType
+ if rec.Type != crcType {
+ d.crc.Write(rec.Data)
+ if err := rec.Validate(d.crc.Sum32()); err != nil {
+ if d.isTornEntry(data) {
+ return io.ErrUnexpectedEOF
+ }
+ return err
+ }
+ }
+ // record decoded as valid; point last valid offset to end of record
+ d.lastValidOff += frameSizeBytes + recBytes + padBytes
+ return nil
+}
+
+func decodeFrameSize(lenField int64) (recBytes int64, padBytes int64) {
+ // the record size is stored in the lower 56 bits of the 64-bit length
+ recBytes = int64(uint64(lenField) & ^(uint64(0xff) << 56))
+ // non-zero padding is indicated by set MSb / a negative length
+ if lenField < 0 {
+ // padding is stored in lower 3 bits of length MSB
+ padBytes = int64((uint64(lenField) >> 56) & 0x7)
+ }
+ return recBytes, padBytes
+}
+
+// isTornEntry determines whether the last entry of the WAL was partially written
+// and corrupted because of a torn write.
+func (d *decoder) isTornEntry(data []byte) bool {
+ if len(d.brs) != 1 {
+ return false
+ }
+
+ fileOff := d.lastValidOff + frameSizeBytes
+ curOff := 0
+ chunks := [][]byte{}
+ // split data on sector boundaries
+ for curOff < len(data) {
+ chunkLen := int(minSectorSize - (fileOff % minSectorSize))
+ if chunkLen > len(data)-curOff {
+ chunkLen = len(data) - curOff
+ }
+ chunks = append(chunks, data[curOff:curOff+chunkLen])
+ fileOff += int64(chunkLen)
+ curOff += chunkLen
+ }
+
+ // if any data for a sector chunk is all 0, it's a torn write
+ for _, sect := range chunks {
+ isZero := true
+ for _, v := range sect {
+ if v != 0 {
+ isZero = false
+ break
+ }
+ }
+ if isZero {
+ return true
+ }
+ }
+ return false
+}
+
+func (d *decoder) updateCRC(prevCrc uint32) {
+ d.crc = crc.New(prevCrc, crcTable)
+}
+
+func (d *decoder) lastCRC() uint32 {
+ return d.crc.Sum32()
+}
+
+func (d *decoder) lastOffset() int64 { return d.lastValidOff }
+
+func mustUnmarshalEntry(d []byte) raftpb.Entry {
+ var e raftpb.Entry
+ pbutil.MustUnmarshal(&e, d)
+ return e
+}
+
+func mustUnmarshalState(d []byte) raftpb.HardState {
+ var s raftpb.HardState
+ pbutil.MustUnmarshal(&s, d)
+ return s
+}
+
+func readInt64(r io.Reader) (int64, error) {
+ var n int64
+ err := binary.Read(r, binary.LittleEndian, &n)
+ return n, err
+}