read-only-admin

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  annotations:
    rbac.authorization.kubernetes.io/autoupdate: "true"
  labels:
  name: read-only
  namespace: '*'
rules:
- apiGroups: ["*"]
  resources: ["*"]
  verbs:
  - get
  - list
  - watch
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: read-only-binding
subjects:
- kind: ServiceAccount
  name: read-only-sa
  namespace: default
roleRef:
  kind: ClusterRole
  name: read-only
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: read-only-sa
  namespace: default