[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/github.com/grpc-ecosystem/go-grpc-prometheus/client.go b/vendor/github.com/grpc-ecosystem/go-grpc-prometheus/client.go
new file mode 100644
index 0000000..751a4c7
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/go-grpc-prometheus/client.go
@@ -0,0 +1,39 @@
+// Copyright 2016 Michal Witkowski. All Rights Reserved.
+// See LICENSE for licensing terms.
+
+// gRPC Prometheus monitoring interceptors for client-side gRPC.
+
+package grpc_prometheus
+
+import (
+ prom "github.com/prometheus/client_golang/prometheus"
+)
+
+var (
+ // DefaultClientMetrics is the default instance of ClientMetrics. It is
+ // intended to be used in conjunction the default Prometheus metrics
+ // registry.
+ DefaultClientMetrics = NewClientMetrics()
+
+ // UnaryClientInterceptor is a gRPC client-side interceptor that provides Prometheus monitoring for Unary RPCs.
+ UnaryClientInterceptor = DefaultClientMetrics.UnaryClientInterceptor()
+
+ // StreamClientInterceptor is a gRPC client-side interceptor that provides Prometheus monitoring for Streaming RPCs.
+ StreamClientInterceptor = DefaultClientMetrics.StreamClientInterceptor()
+)
+
+func init() {
+ prom.MustRegister(DefaultClientMetrics.clientStartedCounter)
+ prom.MustRegister(DefaultClientMetrics.clientHandledCounter)
+ prom.MustRegister(DefaultClientMetrics.clientStreamMsgReceived)
+ prom.MustRegister(DefaultClientMetrics.clientStreamMsgSent)
+}
+
+// EnableClientHandlingTimeHistogram turns on recording of handling time of
+// RPCs. Histogram metrics can be very expensive for Prometheus to retain and
+// query. This function acts on the DefaultClientMetrics variable and the
+// default Prometheus metrics registry.
+func EnableClientHandlingTimeHistogram(opts ...HistogramOption) {
+ DefaultClientMetrics.EnableClientHandlingTimeHistogram(opts...)
+ prom.Register(DefaultClientMetrics.clientHandledHistogram)
+}