Kind: ClusterRoleBinding

apiVersion: rbac.authorization.k8s.io/v1
# This cluster role binding allows anyone in the "manager" group to read secrets in any namespace.
kind: ClusterRoleBinding
metadata:
  name: read-secrets-global
subjects:
- kind: Group
  name: manager # Name is case sensitive
  apiGroup: rbac.authorization.k8s.io
roleRef:
  kind: ClusterRole
  name: secret-reader
  apiGroup: rbac.authorization.k8s.io

https://kubernetes.io/docs/reference/access-authn-authz/rbac/#clusterrolebinding-example

 apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: cluster-read-only-role-binding
subjects:
 - kind: User
   name: discovery-read-only-user
   apiGroup: rbac.authorization.k8s.io
roleRef:
  kind: ClusterRole
  name: cluster-read-only-role 
  apiGroup: rbac.authorization.k8s.io

roleRef
RoleBinding

Related

• K8s Cluster roles
• cluster-read-only-role

See also

• K8s Cluster roles: cluster-admin, admin, edit, view, cluster-read-only-role
• Kubernetes RBAC kubectl auth, kubectl auth can-i, kubectl auth reconcile kubectl create [ role | clusterrole | clusterrolebinding | rolebinding | serviceaccount ], groups:, Kubernetes RBAC good practices, kube2iam, K8s Cluster roles, rbac.authorization.k8s.io, system: