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安装 Metrics server

#安装 Metrics server

Metrics Server 是 Kubernetes 内置自动缩放管道的可扩展、高效的容器资源指标来源。

Metrics Server 从 Kubelets 收集资源指标，并通过Metrics API在 Kubernetes apiserver 中公开它们，以供 Horizo​​ntal Pod Autoscaler和Vertical Pod Autoscaler使用。Metrics API 也可以通过 访问kubectl top，从而更容易调试自动缩放管道。

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单机版

单机版 
wget https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/components.yaml

查看镜像地址
grep -rn image components.yaml 
140:        image: k8s.gcr.io/metrics-server/metrics-server:v0.6.1
141:        imagePullPolicy: IfNotPresent

设置镜像地址为阿里云
sed -i "s#k8s.gcr.io/metrics-server#registry.cn-hangzhou.aliyuncs.com/chenby#g" components.yaml

查看镜像地址已更新
grep -rn image components.yaml 
140:        image: registry.cn-hangzhou.aliyuncs.com/chenby/metrics-server:v0.6.1
141:        imagePullPolicy: IfNotPresent

args添加tls证书配置选项
vim components.yaml

添加"- --kubelet-insecure-tls"

例：
	    args:
        - --cert-dir=/tmp
        - --secure-port=4443
        - --kubelet-preferred-address-types=InternalIP,ExternalIP,Hostname
        - --kubelet-use-node-status-port
        - --metric-resolution=15s
        - --kubelet-insecure-tls
        image: registry.cn-hangzhou.aliyuncs.com/chenby/metrics-server:v0.6.1

执行配置
kubectl apply -f components.yaml 
serviceaccount/metrics-server created
clusterrole.rbac.authorization.k8s.io/system:aggregated-metrics-reader created
clusterrole.rbac.authorization.k8s.io/system:metrics-server created
rolebinding.rbac.authorization.k8s.io/metrics-server-auth-reader created
clusterrolebinding.rbac.authorization.k8s.io/metrics-server:system:auth-delegator created
clusterrolebinding.rbac.authorization.k8s.io/system:metrics-server created
service/metrics-server created
deployment.apps/metrics-server created
apiservice.apiregistration.k8s.io/v1beta1.metrics.k8s.io created

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高可用版本

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验证

https://www.oiox.cn/ https:/blog.oiox.cn/ https://www.chenby.cn/ https://cby-chen.github.io/ https://blog.csdn.net/qq_33921750 https://my.oschina.net/u/3981543 https://www.zhihu.com/people/chen-bu-yun-2 https://segmentfault.com/u/hppyvyv6/articles https://juejin.cn/user/3315782802482007 https://cloud.tencent.com/developer/column/93230 https://www.jianshu.com/u/0f894314ae2c https://www.toutiao.com/c/user/token/MS4wLjABAAAAeqOrhjsoRZSj7iBJbjLJyMwYT5D0mLOgCoo4pEmpr4A/ CSDN、GitHub、知乎、开源中国、思否、掘金、简书、腾讯云、今日头条、个人博客、全网可搜《小陈运维》 文章主要发布于微信：《Linux运维交流社区》

上一页安装Minikube并启动一个Kubernetes环境下一页经GitHub将kubernetes镜像推送到阿里云

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