diff options
Diffstat (limited to 'vendor/k8s.io/kubernetes/pkg/proxy/iptables/metrics.go')
-rw-r--r-- | vendor/k8s.io/kubernetes/pkg/proxy/iptables/metrics.go | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/vendor/k8s.io/kubernetes/pkg/proxy/iptables/metrics.go b/vendor/k8s.io/kubernetes/pkg/proxy/iptables/metrics.go new file mode 100644 index 000000000..fabe6a595 --- /dev/null +++ b/vendor/k8s.io/kubernetes/pkg/proxy/iptables/metrics.go @@ -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()) +} |