kubernetes metrics 源码

2022-09-18
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kubernetes metrics 代码

文件路径：/pkg/controller/nodeipam/ipam/multicidrset/metrics.go

/*
Copyright 2022 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 multicidrset

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:           "multicidrset_cidrs_allocations_total",
			Help:           "Counter measuring total number of CIDR allocations.",
			StabilityLevel: metrics.ALPHA,
		},
		[]string{"clusterCIDR"},
	)
	cidrSetReleases = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem:      nodeIpamSubsystem,
			Name:           "multicidrset_cidrs_releases_total",
			Help:           "Counter measuring total number of CIDR releases.",
			StabilityLevel: metrics.ALPHA,
		},
		[]string{"clusterCIDR"},
	)
	cidrSetUsage = metrics.NewGaugeVec(
		&metrics.GaugeOpts{
			Subsystem:      nodeIpamSubsystem,
			Name:           "multicidrset_usage_cidrs",
			Help:           "Gauge measuring percentage of allocated CIDRs.",
			StabilityLevel: metrics.ALPHA,
		},
		[]string{"clusterCIDR"},
	)
	cidrSetAllocationTriesPerRequest = metrics.NewHistogramVec(
		&metrics.HistogramOpts{
			Subsystem:      nodeIpamSubsystem,
			Name:           "multicidrset_allocation_tries_per_request",
			Help:           "Histogram measuring CIDR allocation tries per request.",
			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

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kubernetes multi_cidr_set 源码

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所属分类： 后端技术
本文标签： docker golang
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