Create user group using RBAC API?

问题

I can't find documentation on how to create user group on Kubernetes with yaml file. I'd like gather some authenticated users in group using their e-mail accounts.

I'd like to write in yaml something like :

 kind: GoupBinding
 apiVersion: rbac.authorization.k8s.io/v1beta1
 metadata:
   name: "frontend-developers"
   namespace: development
subjects:
- kind: User
  name: a@xyz.com,vv@xyz.com
  apiGroup: ""

回答1:

Groups are determined by the configured authentication method. See https://kubernetes.io/docs/admin/authentication/ for details about how each authenticator determines the group membership of the authenticated user.

来源：https://stackoverflow.com/questions/44763590/create-user-group-using-rbac-api