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README.md
README.md
 
 
components-high-availability.yaml
components-high-availability.yaml
 
 

README.md

source https://github.com/kubernetes-sigs/metrics-server

kubectl apply -f ./kube-metrics/

Validate:

kubectl get po -n kube-system

The result should be something like it ( Exposing using NodePort instead LoadBalancer ):

NAME READY STATUS RESTARTS AGE
... ... ... ... ...
metrics-server-85c456c8d8-2fc9l 1/1 Running 0 4m9s
... ... ... ... ...

For test purpose use arg "kubelet-insecure-tls" in the metric-server deployment, the CA for node will be ignored

...
template:
    metadata:
      labels:
        k8s-app: metrics-server
    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
        image: k8s.gcr.io/metrics-server/metrics-server:v0.6.1
        imagePullPolicy: IfNotPresent
...