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

Add etcd-events cluster for kube-apiserver

roles/etcd/handlers/main.yml

@@ -7,17 +7,33 @@
     - reload etcd
     - wait for etcd up
 
+- name: restart etcd-events
+  command: /bin/true
+  notify:
+    - etcd-events | reload systemd
+    - reload etcd-events
+    - wait for etcd-events up
+
 - import_tasks: backup.yml
 
 - name: etcd | reload systemd
   command: systemctl daemon-reload
 
+- name: etcd-events | reload systemd
+  command: systemctl daemon-reload
+
 - name: reload etcd
   service:
     name: etcd
     state: restarted
   when: is_etcd_master
 
+- name: reload etcd-events
+  service:
+    name: etcd-events
+    state: restarted
+  when: is_etcd_master
+
 - name: wait for etcd up
   uri:
     url: "https://{% if is_etcd_master %}{{ etcd_address }}{% else %}127.0.0.1{% endif %}:2379/health"
@@ -29,6 +45,17 @@
   retries: 10
   delay: 5
 
+- name: wait for etcd-events up
+  uri:
+    url: "https://{% if is_etcd_master %}{{ etcd_address }}{% else %}127.0.0.1{% endif %}:2381/health"
+    validate_certs: no
+    client_cert: "{{ etcd_cert_dir }}/member-{{ inventory_hostname }}.pem"
+    client_key: "{{ etcd_cert_dir }}/member-{{ inventory_hostname }}-key.pem"
+  register: result
+  until: result.status is defined and result.status == 200
+  retries: 10
+  delay: 5
+
 - name: set etcd_secret_changed
   set_fact:
     etcd_secret_changed: true