mirror of
https://github.com/k3s-io/k3s.git
synced 2024-06-07 19:41:36 +00:00
59 lines
1.8 KiB
Go
59 lines
1.8 KiB
Go
|
/*
|
||
|
|
Copyright 2020 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 service
|
||
|
|
|
||
|
|
import (
|
||
|
|
"k8s.io/component-base/metrics"
|
||
|
|
"k8s.io/component-base/metrics/legacyregistry"
|
||
|
|
"sync"
|
||
|
|
)
|
||
|
|
|
||
|
|
const (
|
||
|
|
// subSystemName is the name of this subsystem name used for prometheus metrics.
|
||
|
|
subSystemName = "service_controller"
|
||
|
|
)
|
||
|
|
|
||
|
|
var register sync.Once
|
||
|
|
|
||
|
|
// registerMetrics registers service-controller metrics.
|
||
|
|
func registerMetrics() {
|
||
|
|
register.Do(func() {
|
||
|
|
legacyregistry.MustRegister(nodeSyncLatency)
|
||
|
|
legacyregistry.MustRegister(updateLoadBalancerHostLatency)
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
var (
|
||
|
|
nodeSyncLatency = metrics.NewHistogram(&metrics.HistogramOpts{
|
||
|
|
Name: "nodesync_latency_seconds",
|
||
|
|
Subsystem: subSystemName,
|
||
|
|
Help: "A metric measuring the latency for nodesync which updates loadbalancer hosts on cluster node updates.",
|
||
|
|
// Buckets from 1s to 16384s
|
||
|
|
Buckets: metrics.ExponentialBuckets(1, 2, 15),
|
||
|
|
StabilityLevel: metrics.ALPHA,
|
||
|
|
})
|
||
|
|
|
||
|
|
updateLoadBalancerHostLatency = metrics.NewHistogram(&metrics.HistogramOpts{
|
||
|
|
Name: "update_loadbalancer_host_latency_seconds",
|
||
|
|
Subsystem: subSystemName,
|
||
|
|
Help: "A metric measuring the latency for updating each load balancer hosts.",
|
||
|
|
// Buckets from 1s to 16384s
|
||
|
|
Buckets: metrics.ExponentialBuckets(1, 2, 15),
|
||
|
|
StabilityLevel: metrics.ALPHA,
|
||
|
|
})
|
||
|
|
)
|