Metric server API shows error "You must be logged in to the server (Unauthorized)" for oc adm top command in OpenShift Container Platform 3.

Issue

• oc adm top command throws an unauthorized message:

# oc adm top node
  error: You must be logged in to the server (Unauthorized)

• Unable to get the metrics API :

# oc api-resources
  error: unable to retrieve the complete list of server APIs: metrics.k8s.io/v1beta1: Unauthorized

# oc get --raw /apis/metrics.k8s.io/v1beta1
  error: You must be logged in to the server (Unauthorized)

• HPA is not working