1b3a2dd083
Automatic merge from submit-queue (batch tested with PRs 66960, 67545). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. delegated authn/z: optionally opt-out of mandatory authn/authz kubeconfig This adds `RemoteKubeConfigFileOptional` field to the delegated authn/z option structs. If set to true, the authn/z kubeconfig file flags are optional. If no kubeconfig is given, all token requests are considered to be anonymous and no client CA is looked up in the cluster. Prerequisite for https://github.com/kubernetes/kubernetes/pull/64149 and https://github.com/kubernetes/kubernetes/pull/67069.