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

Add etcd-events cluster for kube-apiserver

roles/etcd/tasks/configure.yml

@@ -1,5 +1,5 @@
 ---
-- name: Configure | Check if member is in cluster
+- name: Configure | Check if member is in etcd cluster
   shell: "{{ bin_dir }}/etcdctl --no-sync --endpoints={{ etcd_access_addresses }} member list | grep -q {{ etcd_access_address }}"
   register: etcd_member_in_cluster
   ignore_errors: true
@@ -12,6 +12,19 @@
     ETCDCTL_CERT_FILE: "{{ etcd_cert_dir }}/node-{{ inventory_hostname }}.pem"
     ETCDCTL_KEY_FILE: "{{ etcd_cert_dir }}/node-{{ inventory_hostname }}-key.pem"
 
+- name: Configure | Check if member is in etcd-events cluster
+  shell: "{{ bin_dir }}/etcdctl --no-sync --endpoints={{ etcd_events_access_addresses }} member list | grep -q {{ etcd_access_address }}"
+  register: etcd_events_member_in_cluster
+  ignore_errors: true
+  changed_when: false
+  check_mode: no
+  when: is_etcd_master and etcd_events_cluster_setup
+  tags:
+    - facts
+  environment:
+    ETCDCTL_CERT_FILE: "{{ etcd_cert_dir }}/node-{{ inventory_hostname }}.pem"
+    ETCDCTL_KEY_FILE: "{{ etcd_cert_dir }}/node-{{ inventory_hostname }}-key.pem"
+
 - name: Configure | Copy etcd.service systemd file
   template:
     src: "etcd-{{ etcd_deployment_type }}.service.j2"
@@ -20,11 +33,36 @@
   when: is_etcd_master
   notify: restart etcd
 
-- name: Configure | Join member(s) to cluster one at a time
-  include_tasks: join_member.yml
+- name: Configure | Copy etcd-events.service systemd file
+  template:
+    src: "etcd-events-host.service.j2"
+    dest: /etc/systemd/system/etcd-events.service
+    backup: yes
+  when: is_etcd_master and etcd_deployment_type == "host" and etcd_events_cluster_setup
+  notify: restart etcd-events
+
+- name: Configure | Copy etcd-events.service systemd file
+  template:
+    src: "etcd-events-docker.service.j2"
+    dest: /etc/systemd/system/etcd-events.service
+    backup: yes
+  when: is_etcd_master and etcd_deployment_type == "docker" and etcd_events_cluster_setup
+  notify: restart etcd-events
+
+- name: Configure | Join member(s) to etcd cluster one at a time
+  include_tasks: join_etcd_member.yml
   vars:
     target_node: "{{ item }}"
   loop_control:
     pause: 10
   with_items: "{{ groups['etcd'] }}"
   when: inventory_hostname == item and etcd_member_in_cluster.rc != 0 and etcd_cluster_is_healthy.rc == 0
+
+- name: Configure | Join member(s) to etcd-events cluster one at a time
+  include_tasks: join_etcd-evetns_member.yml
+  vars:
+    target_node: "{{ item }}"
+  loop_control:
+    pause: 10
+  with_items: "{{ groups['etcd'] }}"
+  when: inventory_hostname == item and etcd_events_cluster_setup and etcd_events_member_in_cluster.rc != 0 and etcd_events_cluster_is_healthy.rc == 0