apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: monitoring
aggregationRule:
  clusterRoleSelectors: # 匹配其他的 ClusterRole
    - matchLabels:
        rbac.example.com/aggregate-to-monitoring: "true"
rules: [ ] # api-server 自动填充这里的规则（聚合匹配的 ClusterRole 的规则）

---

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: secret-reader
  labels:
    rbac.example.com/aggregate-to-monitoring: "true"
rules:

  - apiGroups: [ "" ]
    resources: [ "secrets" ]
    verbs: [ "get", "watch", "list" ]

---

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: deployment-reader
  labels:
    rbac.example.com/aggregate-to-monitoring: "true"
rules:

  - apiGroups: [ "" ]
    resources: [ "deployments" ]
    verbs: [ "get", "watch", "list" ]