example of rbac setting

rbac.yml

apiVersion: v1
kind: ServiceAccount
metadata:
  name: node-labeling-robot
  namespace: default
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: node-info-reader
rules:
- apiGroups: [""]
  resources: ["nodes"]
  verbs: ["get", "list", "watch"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: node-labeling-robot-read-nodes
subjects:
- kind: ServiceAccount
  name: node-labeling-robot
  namespace: default
  apiGroup: ""
roleRef:
  kind: ClusterRole
  name: node-info-reader
  apiGroup: rbac.authorization.k8s.io