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Add syncProxyRules prometheus metric
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parent
e35b1c21a1
commit
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@ -424,6 +424,7 @@ func NewProxyServer(config *componentconfig.KubeProxyConfiguration, cleanupAndEx
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if err != nil {
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return nil, fmt.Errorf("unable to create proxier: %v", err)
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}
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iptables.RegisterMetrics()
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proxier = proxierIPTables
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serviceEventHandler = proxierIPTables
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endpointsEventHandler = proxierIPTables
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@ -10,7 +10,10 @@ load(
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go_library(
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name = "go_default_library",
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srcs = ["proxier.go"],
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srcs = [
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"metrics.go",
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"proxier.go",
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],
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tags = ["automanaged"],
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deps = [
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"//pkg/api:go_default_library",
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@ -25,6 +28,7 @@ go_library(
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"//pkg/util/sysctl:go_default_library",
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"//pkg/util/version:go_default_library",
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"//vendor/github.com/golang/glog:go_default_library",
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"//vendor/github.com/prometheus/client_golang/prometheus:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/util/sets:go_default_library",
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"//vendor/k8s.io/apiserver/pkg/util/feature:go_default_library",
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50
pkg/proxy/iptables/metrics.go
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50
pkg/proxy/iptables/metrics.go
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@ -0,0 +1,50 @@
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/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package iptables
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import (
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"sync"
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"time"
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"github.com/prometheus/client_golang/prometheus"
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)
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const kubeProxySubsystem = "kubeproxy"
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var (
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SyncProxyRulesLatency = prometheus.NewHistogram(
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prometheus.HistogramOpts{
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Subsystem: kubeProxySubsystem,
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Name: "sync_proxy_rules_latency_microseconds",
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Help: "SyncProxyRules latency",
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Buckets: prometheus.ExponentialBuckets(1000, 2, 15),
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},
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)
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)
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var registerMetricsOnce sync.Once
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func RegisterMetrics() {
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registerMetricsOnce.Do(func() {
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prometheus.MustRegister(SyncProxyRulesLatency)
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})
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}
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// Gets the time since the specified start in microseconds.
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func sinceInMicroseconds(start time.Time) float64 {
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return float64(time.Since(start).Nanoseconds() / time.Microsecond.Nanoseconds())
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}
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@ -885,6 +885,7 @@ func (proxier *Proxier) syncProxyRules() {
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}
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start := time.Now()
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defer func() {
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SyncProxyRulesLatency.Observe(sinceInMicroseconds(start))
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glog.V(4).Infof("syncProxyRules took %v", time.Since(start))
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}()
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// don't sync rules till we've received services and endpoints
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