Add syncProxyRules prometheus metric

This commit is contained in:
Wojciech Tyczynski 2017-05-16 13:11:58 +02:00
parent e35b1c21a1
commit 45ed99c3a6
4 changed files with 57 additions and 1 deletions

View File

@ -424,6 +424,7 @@ func NewProxyServer(config *componentconfig.KubeProxyConfiguration, cleanupAndEx
if err != nil {
return nil, fmt.Errorf("unable to create proxier: %v", err)
}
iptables.RegisterMetrics()
proxier = proxierIPTables
serviceEventHandler = proxierIPTables
endpointsEventHandler = proxierIPTables

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@ -10,7 +10,10 @@ load(
go_library(
name = "go_default_library",
srcs = ["proxier.go"],
srcs = [
"metrics.go",
"proxier.go",
],
tags = ["automanaged"],
deps = [
"//pkg/api:go_default_library",
@ -25,6 +28,7 @@ go_library(
"//pkg/util/sysctl:go_default_library",
"//pkg/util/version:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
"//vendor/github.com/prometheus/client_golang/prometheus:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/sets:go_default_library",
"//vendor/k8s.io/apiserver/pkg/util/feature:go_default_library",

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@ -0,0 +1,50 @@
/*
Copyright 2017 The Kubernetes 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 iptables
import (
"sync"
"time"
"github.com/prometheus/client_golang/prometheus"
)
const kubeProxySubsystem = "kubeproxy"
var (
SyncProxyRulesLatency = prometheus.NewHistogram(
prometheus.HistogramOpts{
Subsystem: kubeProxySubsystem,
Name: "sync_proxy_rules_latency_microseconds",
Help: "SyncProxyRules latency",
Buckets: prometheus.ExponentialBuckets(1000, 2, 15),
},
)
)
var registerMetricsOnce sync.Once
func RegisterMetrics() {
registerMetricsOnce.Do(func() {
prometheus.MustRegister(SyncProxyRulesLatency)
})
}
// Gets the time since the specified start in microseconds.
func sinceInMicroseconds(start time.Time) float64 {
return float64(time.Since(start).Nanoseconds() / time.Microsecond.Nanoseconds())
}

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@ -885,6 +885,7 @@ func (proxier *Proxier) syncProxyRules() {
}
start := time.Now()
defer func() {
SyncProxyRulesLatency.Observe(sinceInMicroseconds(start))
glog.V(4).Infof("syncProxyRules took %v", time.Since(start))
}()
// don't sync rules till we've received services and endpoints