How to get the resource usage of a pod in Kubernetes?

Question

How can we get the real resource usage (not resource requests) of each pod on Kubernetes by command line? Heapster is deprecated. Meanwhile, Metrics-server still does not su

Answer 1

Error from server (ServiceUnavailable): the server is currently unable to handle the request (get services http:heapster:)

It sounds like the heapster deployment just forgot to install the Service for heapster; I would expect this would get you past that error, but unknown whether it would actually cause kubectl top pods to start to work:

kubectl create -f /dev/stdin <<SVC
apiVersion: v1
kind: Service
metadata:
  name: heapster
  namespace: kube-system
spec:
  selector:
    whatever-label: is-on-heapster-pods
  ports:
  - name: http
    port: 80
    targetPort: whatever-is-heapster-is-listening-on
SVC