[OpenShift]'oc get nodes --as-user' option does not work

Issue

• cluster-reader role is set for group and added user who has no other roles. This user and all other users in group still are forbidden to get nodes ONLY when using the --as=<user-name> option.

$ oc get nodes --as="user-name" --loglevel=5
I0120 22:42:12.051045   57456 helpers.go:201] server response object: [{
  "kind": "Status",
  "apiVersion": "v1",
  "metadata": {},
  "status": "Failure",
  "message": "nodes is forbidden: User \"user-name\" cannot list nodes at the cluster scope: User \"user-name\" cannot list all nodes in the cluster",
  "reason": "Forbidden",
  "details": {
    "kind": "nodes"
  },
  "code": 403
}]
F0120 22:42:12.051141   57456 helpers.go:119] Error from server (Forbidden): nodes is forbidden: User "user-name" cannot list nodes at the cluster scope: User "user-name" cannot list all nodes in the cluster