Add etcd-events cluster for kube-apiserver (#2385)

Add etcd-events cluster for kube-apiserver

roles/etcd/tasks/main.yml

@@ -43,6 +43,11 @@
   notify: restart etcd
   when: is_etcd_master and etcd_secret_changed|default(false)
 
+- name: Restart etcd-events if certs changed
+  command: /bin/true
+  notify: restart etcd
+  when: is_etcd_master and etcd_events_cluster_setup and etcd_secret_changed|default(false)
+
 # reload-systemd
 - meta: flush_handlers
 
@@ -53,6 +58,13 @@
     enabled: yes
   when: is_etcd_master and etcd_cluster_setup
 
+- name: Ensure etcd-events is running
+  service:
+    name: etcd-events
+    state: started
+    enabled: yes
+  when: is_etcd_master and etcd_events_cluster_setup
+
 # After etcd cluster is assembled, make sure that
 # initial state of the cluster is in `existing`
 # state insted of `new`.