[VOL-4291] Rw-core updates for gRPC migration
Change-Id: I8d5a554409115b29318089671ca4e1ab3fa98810
diff --git a/vendor/github.com/coreos/etcd/clientv3/options.go b/vendor/github.com/coreos/etcd/clientv3/options.go
new file mode 100644
index 0000000..700714c
--- /dev/null
+++ b/vendor/github.com/coreos/etcd/clientv3/options.go
@@ -0,0 +1,65 @@
+// 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 clientv3
+
+import (
+ "math"
+ "time"
+
+ "google.golang.org/grpc"
+)
+
+var (
+ // client-side handling retrying of request failures where data was not written to the wire or
+ // where server indicates it did not process the data. gRPC default is default is "FailFast(true)"
+ // but for etcd we default to "FailFast(false)" to minimize client request error responses due to
+ // transient failures.
+ defaultFailFast = grpc.FailFast(false)
+
+ // client-side request send limit, gRPC default is math.MaxInt32
+ // Make sure that "client-side send limit < server-side default send/recv limit"
+ // Same value as "embed.DefaultMaxRequestBytes" plus gRPC overhead bytes
+ defaultMaxCallSendMsgSize = grpc.MaxCallSendMsgSize(2 * 1024 * 1024)
+
+ // client-side response receive limit, gRPC default is 4MB
+ // Make sure that "client-side receive limit >= server-side default send/recv limit"
+ // because range response can easily exceed request send limits
+ // Default to math.MaxInt32; writes exceeding server-side send limit fails anyway
+ defaultMaxCallRecvMsgSize = grpc.MaxCallRecvMsgSize(math.MaxInt32)
+
+ // client-side non-streaming retry limit, only applied to requests where server responds with
+ // a error code clearly indicating it was unable to process the request such as codes.Unavailable.
+ // If set to 0, retry is disabled.
+ defaultUnaryMaxRetries uint = 100
+
+ // client-side streaming retry limit, only applied to requests where server responds with
+ // a error code clearly indicating it was unable to process the request such as codes.Unavailable.
+ // If set to 0, retry is disabled.
+ defaultStreamMaxRetries = ^uint(0) // max uint
+
+ // client-side retry backoff wait between requests.
+ defaultBackoffWaitBetween = 25 * time.Millisecond
+
+ // client-side retry backoff default jitter fraction.
+ defaultBackoffJitterFraction = 0.10
+)
+
+// defaultCallOpts defines a list of default "gRPC.CallOption".
+// Some options are exposed to "clientv3.Config".
+// Defaults will be overridden by the settings in "clientv3.Config".
+var defaultCallOpts = []grpc.CallOption{defaultFailFast, defaultMaxCallSendMsgSize, defaultMaxCallRecvMsgSize}
+
+// MaxLeaseTTL is the maximum lease TTL value
+const MaxLeaseTTL = 9000000000