apiVersion: v1
kind: ServiceAccount
metadata:
  name: readonly-all
  namespace: default
secrets:
  - name: readonly-all  # 引用到 Secret 的名称
---
apiVersion: v1
kind: Secret
metadata:
  name: readonly-all
  namespace: default
  annotations:
    kubernetes.io/service-account.name: "readonly-all"
type: kubernetes.io/service-account-token

---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: readonly-all
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: view
subjects:
- kind: ServiceAccount
  name: readonly-all
  namespace: default