Merge pull request #28239 from ApsOps/kubectl-expose-headless-svc

Automatic merge from submit-queue

Add a flag for `kubectl expose`to set ClusterIP and allow headless services

- Use `--cluster-ip=None` to create a headless service
- Fixes #10294

hack/verify-flags/known-flags.txt

@@ -58,6 +58,7 @@ cloud-provider
 cluster-cidr
 cluster-dns
 cluster-domain
+cluster-ip
 cluster-name
 cluster-tag
 cluster-monitor-period