fix-the-issue-of-miss-the-etcd-user (#9016)

roles/kubernetes/control-plane/meta/main.yml

@@ -4,3 +4,8 @@ dependencies:
     when: kube_token_auth
     tags:
       - k8s-secrets
+  - role: adduser
+    user: "{{ addusers.etcd }}"
+    when:
+      - etcd_deployment_type == "kubeadm"
+      - not (ansible_os_family in ["Flatcar", "Flatcar Container Linux by Kinvolk", "ClearLinux"] or is_fedora_coreos)