Readiness probe failed: HTTP probe failed with statuscode: 500 [metrics server on k8s]

 

Deploy metrics server

kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/components.yaml




Edit metrics server deployment by adding command

kubectl -n kube-system edit deploy metrics-server




kubernetes-metrics-server.yaml







      containers:
      - args:
        - --cert-dir=/tmp
        - --secure-port=4443
        - --kubelet-preferred-address-types=InternalIP,ExternalIP,Hostname
        - --kubelet-use-node-status-port
        - --metric-resolution=15s
        command:
        - /metrics-server
        - --kubelet-insecure-tls
        - --kubelet-preferred-address-types=InternalIP

Add red parts, then ....