##############################################################################
# Copyright (c) 2016 HUAWEI TECHNOLOGIES CO.,LTD and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
---
- name: start first node to create new cluster
  service:
    name: mysql
    state: restarted
    enabled: yes
    args: "--wsrep-new-cluster"
  when:
    - inventory_hostname == haproxy_hosts.keys()[0]

- name: wait for cluster ready
  command: mysql --silent --skip-column-names -e 'SHOW STATUS LIKE "wsrep_evs_state"'
  register: cluster_status
  until: cluster_status|success
  failed_when: not cluster_status.stdout | search("OPERATIONAL")
  retries: 10
  delay: 3
  when:
    - inventory_hostname == haproxy_hosts.keys()[0]

- name: restart other nodes and join cluster
  service:
    name: mysql
    state: restarted
    enabled: yes
  when:
    - inventory_hostname != haproxy_hosts.keys()[0]

- name: restart first nodes
  service:
    name: mysql
    state: restarted
  when: inventory_hostname == haproxy_hosts.keys()[0] and haproxy_hosts|length > 1