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/etcdserver/quota.go b/vendor/github.com/coreos/etcd/etcdserver/quota.go
new file mode 100644
index 0000000..882eb76
--- /dev/null
+++ b/vendor/github.com/coreos/etcd/etcdserver/quota.go
@@ -0,0 +1,124 @@
+// Copyright 2016 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 etcdserver
+
+import pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
+
+const (
+ // DefaultQuotaBytes is the number of bytes the backend Size may
+ // consume before exceeding the space quota.
+ DefaultQuotaBytes = int64(2 * 1024 * 1024 * 1024) // 2GB
+ // MaxQuotaBytes is the maximum number of bytes suggested for a backend
+ // quota. A larger quota may lead to degraded performance.
+ MaxQuotaBytes = int64(8 * 1024 * 1024 * 1024) // 8GB
+)
+
+// Quota represents an arbitrary quota against arbitrary requests. Each request
+// costs some charge; if there is not enough remaining charge, then there are
+// too few resources available within the quota to apply the request.
+type Quota interface {
+ // Available judges whether the given request fits within the quota.
+ Available(req interface{}) bool
+ // Cost computes the charge against the quota for a given request.
+ Cost(req interface{}) int
+ // Remaining is the amount of charge left for the quota.
+ Remaining() int64
+}
+
+type passthroughQuota struct{}
+
+func (*passthroughQuota) Available(interface{}) bool { return true }
+func (*passthroughQuota) Cost(interface{}) int { return 0 }
+func (*passthroughQuota) Remaining() int64 { return 1 }
+
+type backendQuota struct {
+ s *EtcdServer
+ maxBackendBytes int64
+}
+
+const (
+ // leaseOverhead is an estimate for the cost of storing a lease
+ leaseOverhead = 64
+ // kvOverhead is an estimate for the cost of storing a key's metadata
+ kvOverhead = 256
+)
+
+func NewBackendQuota(s *EtcdServer) Quota {
+ quotaBackendBytes.Set(float64(s.Cfg.QuotaBackendBytes))
+
+ if s.Cfg.QuotaBackendBytes < 0 {
+ // disable quotas if negative
+ plog.Warningf("disabling backend quota")
+ return &passthroughQuota{}
+ }
+
+ if s.Cfg.QuotaBackendBytes == 0 {
+ // use default size if no quota size given
+ quotaBackendBytes.Set(float64(DefaultQuotaBytes))
+ return &backendQuota{s, DefaultQuotaBytes}
+ }
+
+ if s.Cfg.QuotaBackendBytes > MaxQuotaBytes {
+ plog.Warningf("backend quota %v exceeds maximum recommended quota %v", s.Cfg.QuotaBackendBytes, MaxQuotaBytes)
+ }
+ return &backendQuota{s, s.Cfg.QuotaBackendBytes}
+}
+
+func (b *backendQuota) Available(v interface{}) bool {
+ // TODO: maybe optimize backend.Size()
+ return b.s.Backend().Size()+int64(b.Cost(v)) < b.maxBackendBytes
+}
+
+func (b *backendQuota) Cost(v interface{}) int {
+ switch r := v.(type) {
+ case *pb.PutRequest:
+ return costPut(r)
+ case *pb.TxnRequest:
+ return costTxn(r)
+ case *pb.LeaseGrantRequest:
+ return leaseOverhead
+ default:
+ panic("unexpected cost")
+ }
+}
+
+func costPut(r *pb.PutRequest) int { return kvOverhead + len(r.Key) + len(r.Value) }
+
+func costTxnReq(u *pb.RequestOp) int {
+ r := u.GetRequestPut()
+ if r == nil {
+ return 0
+ }
+ return costPut(r)
+}
+
+func costTxn(r *pb.TxnRequest) int {
+ sizeSuccess := 0
+ for _, u := range r.Success {
+ sizeSuccess += costTxnReq(u)
+ }
+ sizeFailure := 0
+ for _, u := range r.Failure {
+ sizeFailure += costTxnReq(u)
+ }
+ if sizeFailure > sizeSuccess {
+ return sizeFailure
+ }
+ return sizeSuccess
+}
+
+func (b *backendQuota) Remaining() int64 {
+ return b.maxBackendBytes - b.s.Backend().Size()
+}