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moby--moby/vendor/github.com/grpc-ecosystem/go-grpc-prometheus/client.go
Kir Kolyshkin 7008ac01fa vendor: bump etcd deps
As per https://github.com/etcd-io/etcd/blob/fa57f7fbc787b4/Gopkg.lock

List of packages required by subset of etcd used is provided by:

go list -f '{{join .Deps "\n"}}' \
 github.com/docker/docker/vendor/github.com/coreos/etcd/... \
 | grep -F . | grep -v coreos/etcd | sort | uniq

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
2018-09-13 00:54:20 -07:00

39 lines
1.5 KiB
Go

// 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)
}