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##############################################################################
# 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: get cluster status
shell: mysql --silent --skip-column-names -e 'SHOW STATUS LIKE "wsrep_evs_state"'|awk '{print $2}'
register: cluster_status
when:
- inventory_hostname == haproxy_hosts.keys()[0]
- name: start first node to create new cluster
shell: service mysql start --wsrep-new-cluster
when: |
inventory_hostname == haproxy_hosts.keys()[0]
and not cluster_status.stdout | search("OPERATIONAL")
- name: wait for cluster ready
shell: mysql --silent --skip-column-names -e 'SHOW STATUS LIKE "wsrep_evs_state"'|awk '{print $2}'
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]
and not cluster_status.stdout | search("OPERATIONAL")
- name: if I in the cluster nodes
shell: mysql --silent --skip-column-names -e 'SHOW STATUS LIKE "wsrep_incoming_addresses"'|awk '{print $2}'
register: cluster_nodes
changed_when: false
- name: restart other nodes and join cluster
service:
name: mysql
state: restarted
enabled: yes
when: |
inventory_hostname != haproxy_hosts.keys()[0]
and not cluster_nodes.stdout | search( "{{ internal_ip }}")
- name: remove unused user
script: remove_user.sh
when: ansible_os_family == "RedHat"
- name: restart first nodes
service:
name: mysql
state: restarted
when: |
inventory_hostname == haproxy_hosts.keys()[0]
and haproxy_hosts|length > 1
|
