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main.yml
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main.yml
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---
# Copyright 2015, Rackspace US, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
- name: Reload the systemd daemon
systemd:
daemon_reload: yes
name: "{{ galera_mariadb_service_name }}"
enabled: "yes"
- name: Check node status
command: >
mysql --silent --skip-column-names --connect-timeout=10 -e 'SHOW STATUS LIKE "wsrep_local_state";'
failed_when: false
changed_when: true
register: node_status
listen: Restart all mysql
notify:
- Bootstrap cluster
- Restart mysql (All)
- name: Check if node is in the cluster
command: >
mysql --silent --skip-column-names --connect-timeout=10 -e 'SHOW STATUS LIKE "wsrep_incoming_addresses";'
failed_when: false
changed_when: false
register: incoming_addresses
listen: Bootstrap cluster
- name: Set incoming addresses fact (primary)
set_fact:
galera_incoming_addresses: "{{ (incoming_addresses.stdout.split()[-1] | default('')).split(',') }}"
listen: Bootstrap cluster
- name: Set node status fact
set_fact:
galera_cluster_ready: "{{ (galera_wsrep_address_port in galera_incoming_addresses) or ((node_status.stdout.split()[-1] | default(false)) in ['2', '4']) }}"
listen: Bootstrap cluster
- name: Stop mysql
service:
name: mysql
state: stopped
changed_when: true
listen: Bootstrap cluster
when:
- not galera_cluster_ready | bool
- name: Start new cluster
command: /usr/local/bin/galera_new_cluster
failed_when: not start_new_cluster.rc in [0, 3]
changed_when: start_new_cluster.rc == 3
register: start_new_cluster
delegate_to: "{{ galera_server_bootstrap_node }}"
run_once: true
when:
- not galera_cluster_ready | bool
listen: Bootstrap cluster
- name: Restart mysql (All)
service:
name: "{{ galera_mariadb_service_name }}"
state: "{{ (not hostvars[item]['galera_cluster_ready'] | bool) | ternary('started', 'restarted') }}"
environment:
MYSQLD_STARTUP_TIMEOUT: 180
register: galera_restart
until: galera_restart is success
retries: 6
delay: 5
delegate_to: "{{ item }}"
when:
- hostvars[item]['galera_cluster_ready'] is defined
- hostvars[item]['galera_deployed'] | default(false) | bool
with_items:
- "{{ ansible_play_hosts }}"
run_once: true
- meta: noop
listen: Manage LB
when: false
- name: Restart xinetd
service:
name: xinetd
state: "{{ (galera_monitoring_check_enabled | bool) | ternary('restarted', 'stopped') }}"
enabled: "{{ galera_monitoring_check_enabled | bool }}"