kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: cluster-readonly
rules:
- apiGroups:
    - ""
    - rbac.authorization.k8s.io
    - storage.k8s.io
    - networking.k8s.io
    - traefik.containo.us
  resources: 
    - storageclasses
  verbs: 
    - list