[VOL-2235] Mocks and interfaces for rw-core
This update consists of mocks that are used by the rw-core
during unit testing. It also includes interfaces used for unit
tests.
Change-Id: I20ca1455c358113c3aa897acc6355e0ddbc614b7
diff --git a/vendor/go.etcd.io/etcd/wal/metrics.go b/vendor/go.etcd.io/etcd/wal/metrics.go
new file mode 100644
index 0000000..22cb800
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/wal/metrics.go
@@ -0,0 +1,34 @@
+// 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 "github.com/prometheus/client_golang/prometheus"
+
+var (
+ walFsyncSec = prometheus.NewHistogram(prometheus.HistogramOpts{
+ Namespace: "etcd",
+ Subsystem: "disk",
+ Name: "wal_fsync_duration_seconds",
+ Help: "The latency distributions of fsync called by WAL.",
+
+ // lowest bucket start of upper bound 0.001 sec (1 ms) with factor 2
+ // highest bucket start of 0.001 sec * 2^13 == 8.192 sec
+ Buckets: prometheus.ExponentialBuckets(0.001, 2, 14),
+ })
+)
+
+func init() {
+ prometheus.MustRegister(walFsyncSec)
+}