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

vim components.yaml
    spec:
      containers:
      - 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   #添加此行
镜像拉不来了的话可以更换为：swr.cn-north-4.myhuaweicloud.com/ddn-k8s/k8s.gcr.io/metrics-server/metrics-server:v0.6.1

kubectl top nodes
NAME       CPU(cores)   CPU%   MEMORY(bytes)   MEMORY%   
master01   592m         14%    2755Mi          35%       
node01     264m         6%     2269Mi          29%       
node02     301m         7%     2358Mi          30%