Metricserver

目录

• Notes
• apiserver
  • 修改apiserver.yaml
  • 部署
• metric-server
  • 拉取镜像
  • 下载meric-server.yaml文件
  • 部署
  • 验证

Notes

https://github.com/kubernetes-sigs/metrics-server/releases/download/v0.6.1/

• 高可用 high-availability.yaml
• 单机 component.yaml

apiserver

修改apiserver.yaml

vim /etc/kubernetes/manifests/kube-apiserver.yaml

spec:
  containers:
    - command:
      - kube-apiserver:
        ...
        - --enable-aggregator-routing=true
        ...

部署

kubectl apply -f /etc/kubernetes/manifests/kube-apiserver.yaml
# kube-apiserver              0/1     CrashLoopBackOff   5 (103s ago)     4m52s
# kube-apiserver-k8s          1/1     Running            0                5m59s
kubectl delete pod kube-apiserver -n kube-system --force --grace-period=0

metric-server

拉取镜像

crictl pull registry.cn-hangzhou.aliyuncs.com/google_containers/metrics-server:v0.6.1

下载meric-server.yaml文件

wget https://github.com/kubernetes-sigs/metrics-server/releases/download/v0.6.1/components.yaml

# 修改yaml文件
---
    spec:
      containers:
      - args:
        ...
        - --kubelet-insecure-tls                                                         # [增]
        image: registry.cn-hangzhou.aliyuncs.com/google_containers/metrics-server:v0.6.1 # [改]

部署

kubectl apply -f components.yaml
kubectl get pod -n kube-system

验证

# metrics-server-8bf5d9dcb-lm99t             1/1     Running   0              24s
kubectl top pod
kubectl top pod -n kube-system
kubectl top node