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/mvcc/backend/read_tx.go b/vendor/github.com/coreos/etcd/mvcc/backend/read_tx.go
new file mode 100644
index 0000000..0536de7
--- /dev/null
+++ b/vendor/github.com/coreos/etcd/mvcc/backend/read_tx.go
@@ -0,0 +1,120 @@
+// 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 backend
+
+import (
+ "bytes"
+ "math"
+ "sync"
+
+ bolt "github.com/coreos/bbolt"
+)
+
+// safeRangeBucket is a hack to avoid inadvertently reading duplicate keys;
+// overwrites on a bucket should only fetch with limit=1, but safeRangeBucket
+// is known to never overwrite any key so range is safe.
+var safeRangeBucket = []byte("key")
+
+type ReadTx interface {
+ Lock()
+ Unlock()
+
+ UnsafeRange(bucketName []byte, key, endKey []byte, limit int64) (keys [][]byte, vals [][]byte)
+ UnsafeForEach(bucketName []byte, visitor func(k, v []byte) error) error
+}
+
+type readTx struct {
+ // mu protects accesses to the txReadBuffer
+ mu sync.RWMutex
+ buf txReadBuffer
+
+ // txmu protects accesses to buckets and tx on Range requests.
+ txmu sync.RWMutex
+ tx *bolt.Tx
+ buckets map[string]*bolt.Bucket
+}
+
+func (rt *readTx) Lock() { rt.mu.RLock() }
+func (rt *readTx) Unlock() { rt.mu.RUnlock() }
+
+func (rt *readTx) UnsafeRange(bucketName, key, endKey []byte, limit int64) ([][]byte, [][]byte) {
+ if endKey == nil {
+ // forbid duplicates for single keys
+ limit = 1
+ }
+ if limit <= 0 {
+ limit = math.MaxInt64
+ }
+ if limit > 1 && !bytes.Equal(bucketName, safeRangeBucket) {
+ panic("do not use unsafeRange on non-keys bucket")
+ }
+ keys, vals := rt.buf.Range(bucketName, key, endKey, limit)
+ if int64(len(keys)) == limit {
+ return keys, vals
+ }
+
+ // find/cache bucket
+ bn := string(bucketName)
+ rt.txmu.RLock()
+ bucket, ok := rt.buckets[bn]
+ rt.txmu.RUnlock()
+ if !ok {
+ rt.txmu.Lock()
+ bucket = rt.tx.Bucket(bucketName)
+ rt.buckets[bn] = bucket
+ rt.txmu.Unlock()
+ }
+
+ // ignore missing bucket since may have been created in this batch
+ if bucket == nil {
+ return keys, vals
+ }
+ rt.txmu.Lock()
+ c := bucket.Cursor()
+ rt.txmu.Unlock()
+
+ k2, v2 := unsafeRange(c, key, endKey, limit-int64(len(keys)))
+ return append(k2, keys...), append(v2, vals...)
+}
+
+func (rt *readTx) UnsafeForEach(bucketName []byte, visitor func(k, v []byte) error) error {
+ dups := make(map[string]struct{})
+ getDups := func(k, v []byte) error {
+ dups[string(k)] = struct{}{}
+ return nil
+ }
+ visitNoDup := func(k, v []byte) error {
+ if _, ok := dups[string(k)]; ok {
+ return nil
+ }
+ return visitor(k, v)
+ }
+ if err := rt.buf.ForEach(bucketName, getDups); err != nil {
+ return err
+ }
+ rt.txmu.Lock()
+ err := unsafeForEach(rt.tx, bucketName, visitNoDup)
+ rt.txmu.Unlock()
+ if err != nil {
+ return err
+ }
+ return rt.buf.ForEach(bucketName, visitor)
+}
+
+func (rt *readTx) reset() {
+ rt.buf.reset()
+ rt.buckets = make(map[string]*bolt.Bucket)
+ rt.tx = nil
+}