openstack-ansible-galera_se.../handlers/main.yml
Logan V f876cf2926 Allow external restart handler orchestration
Allow the playbook to define its own restart handlers in lieu of the
restart tasks included with the role. This is ideal when upstream
load balancer orchestration should occur around service restarts.

Change-Id: Ia0a37527a73c940d4f164e147ce66c40a670c370
2017-08-07 22:57:34 +00:00

106 lines
3.2 KiB
YAML

---
# 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
command: "systemctl daemon-reload"
when:
- ansible_service_mgr == 'systemd'
- name: Restart mysql
service:
name: mysql
state: restarted
sleep: 2
arguments: "{{ (not galera_existing_cluster | bool and inventory_hostname == galera_server_bootstrap_node) | ternary('--wsrep-new-cluster', '') }}"
environment:
MYSQLD_STARTUP_TIMEOUT: 180
when:
- not galera_running_and_bootstrapped | bool
- ansible_pkg_mgr != "zypper"
- not galera_external_restart_handlers | bool
register: galera_restart
until: galera_restart | success
retries: 3
delay: 5
# notifies are only fired when status is "changed"
changed_when: galera_restart | failed
failed_when: false
notify:
- "Remove stale .sst"
- "Restart mysql fall back"
listen: "Restart all mysql"
- name: Remove stale .sst
file:
path: "/var/lib/mysql/.sst"
state: absent
- name: Restart mysql fall back
service:
name: mysql
state: restarted
sleep: 2
arguments: "{{ (not galera_existing_cluster | bool and inventory_hostname == galera_server_bootstrap_node) | ternary('--wsrep-new-cluster', '') }}"
environment:
MYSQLD_STARTUP_TIMEOUT: 180
register: galera_restart_fall_back
until: galera_restart_fall_back | success
retries: 3
delay: 5
- name: "Set wsrep-new-cluster"
lineinfile:
line: 'wsrep-new-cluster'
insertafter: 'wsrep_cluster_name'
state: present
dest: "{{ galera_etc_include_dir }}/cluster.cnf"
listen: "Restart all mysql"
when:
- not galera_running_and_bootstrapped | bool
- not galera_existing_cluster | bool and inventory_hostname == galera_server_bootstrap_node
- ansible_pkg_mgr == "zypper"
- not galera_external_restart_handlers | bool
- name: "Ensure node is not in bootstrap mode"
lineinfile:
line: 'wsrep-new-cluster'
state: absent
dest: "{{ galera_etc_include_dir }}/cluster.cnf"
listen: "Restart all mysql"
when:
- not galera_running_and_bootstrapped | bool
- (not galera_existing_cluster | bool) or (not inventory_hostname == galera_server_bootstrap_node)
- ansible_pkg_mgr == "zypper"
- not galera_external_restart_handlers | bool
- name: Restart mysql on SUSE
service:
name: mysql
state: restarted
when:
- not galera_running_and_bootstrapped | bool
- ansible_pkg_mgr == "zypper"
- not galera_external_restart_handlers | bool
register: galera_restart
until: galera_restart | success
retries: 3
delay: 5
# notifies are only fired when status is "changed"
changed_when: galera_restart | failed
failed_when: false
notify:
- "Remove stale .sst"
listen: "Restart all mysql"