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

Add etcd-events cluster for kube-apiserver

roles/etcd/tasks/refresh_config.yml

@@ -5,3 +5,10 @@
     dest: /etc/etcd.env
   notify: restart etcd
   when: is_etcd_master
+
+- name: Refresh config | Create etcd-events config file
+  template:
+    src: etcd-events.env.j2
+    dest: /etc/etcd-events.env
+  notify: restart etcd-events
+  when: is_etcd_master and etcd_events_cluster_setup