apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: cluster-viewer
rules:
  - apiGroups:
      - "*"
    resources:
      - "*"
    verbs:
      - get
      - list
      - watch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: readonly-cluster-controller
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cluster-viewer
subjects:
  - kind: ServiceAccount
    name: readonly-cluster-controller
    namespace: cluster-service
  - apiGroup: rbac.authorization.k8s.io
    kind: Group
    name: readonly-cluster-controller