kubernetes metrics 源码

2022-09-18
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kubernetes metrics 代码

文件路径：/pkg/controller/nodeipam/ipam/cidrset/metrics.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 cidrset

import (
	"sync"

	"k8s.io/component-base/metrics"
	"k8s.io/component-base/metrics/legacyregistry"
)

const nodeIpamSubsystem = "node_ipam_controller"

var (
	cidrSetAllocations = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem:      nodeIpamSubsystem,
			Name:           "cidrset_cidrs_allocations_total",
			Help:           "Counter measuring total number of CIDR allocations.",
			StabilityLevel: metrics.ALPHA,
		},
		[]string{"clusterCIDR"},
	)
	cidrSetReleases = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem:      nodeIpamSubsystem,
			Name:           "cidrset_cidrs_releases_total",
			Help:           "Counter measuring total number of CIDR releases.",
			StabilityLevel: metrics.ALPHA,
		},
		[]string{"clusterCIDR"},
	)
	cidrSetUsage = metrics.NewGaugeVec(
		&metrics.GaugeOpts{
			Subsystem:      nodeIpamSubsystem,
			Name:           "cidrset_usage_cidrs",
			Help:           "Gauge measuring percentage of allocated CIDRs.",
			StabilityLevel: metrics.ALPHA,
		},
		[]string{"clusterCIDR"},
	)
	cidrSetAllocationTriesPerRequest = metrics.NewHistogramVec(
		&metrics.HistogramOpts{
			Subsystem:      nodeIpamSubsystem,
			Name:           "cidrset_allocation_tries_per_request",
			Help:           "Number of endpoints added on each Service sync",
			StabilityLevel: metrics.ALPHA,
			Buckets:        metrics.ExponentialBuckets(1, 5, 5),
		},
		[]string{"clusterCIDR"},
	)
)

var registerMetrics sync.Once

// registerCidrsetMetrics the metrics that are to be monitored.
func registerCidrsetMetrics() {
	registerMetrics.Do(func() {
		legacyregistry.MustRegister(cidrSetAllocations)
		legacyregistry.MustRegister(cidrSetReleases)
		legacyregistry.MustRegister(cidrSetUsage)
		legacyregistry.MustRegister(cidrSetAllocationTriesPerRequest)
	})
}

相关信息

kubernetes 源码目录

相关文章

kubernetes cidr_set 源码

kubernetes cidr_set_test 源码

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所属分类： 后端技术
本文标签： docker golang
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