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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 bootstrap;
service mysql start;
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 cluster1
shell: service mysql restart;
when: |
inventory_hostname != haproxy_hosts.keys()[0]
and not cluster_nodes.stdout | search( "{{ internal_ip }}" )
ignore_errors: True
- name: delay 60 seconds
shell: sleep 60
- name: restart other nodes and join cluster2
shell: service mysql restart;
when: |
inventory_hostname != haproxy_hosts.keys()[0]
and not cluster_nodes.stdout | search( "{{ internal_ip }}" )
- name: chmod directory
shell: >
chmod 755 -R /var/lib/mysql/ ;
chmod 755 -R /var/log/mysql/ ;
chmod 755 -R /etc/mysql/conf.d/;
- name: restart first nodes
shell: service mysql restart
when: |
(inventory_hostname == haproxy_hosts.keys()[0]
and haproxy_hosts|length > 1
and not cluster_nodes.stdout | search( '{{ internal_ip }}' ))
|
