openstack-ansible-galera_se.../tasks/galera_cluster_state.yml

76 lines
2.5 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: Check if mysql is running
command: /usr/bin/mysqladmin --defaults-file=/etc/mysql/debian.cnf ping
ignore_errors: true
changed_when: mysql_running.rc != 0
register: mysql_running
notify: Restart mysql
tags:
- galera-cluster-state-check
- name: Check for cluster state failure
fail:
msg: |
The cluster may be broken, mysql is not running but appears to be
installed. Fix it before re-running the playbook or override with
'openstack-ansible -e galera_ignore_cluster_state=true galera-install.yml'.
when:
- not galera_ignore_cluster_state | bool
- mysql_running.rc == 1
- mysql_running.stderr | search("Check that mysqld is running and that the socket")
tags:
- galera-cluster-state-check
- name: Gather mysql facts
mysql_status_facts:
ignore_errors: true
tags:
- galera-cluster-state-check
- name: Check for cluster state failure
fail:
msg: |
The cluster may be broken, mysql is running but unable to gather mysql facts.
Fix it before re-running the playbook or override with
'openstack-ansible -e galera_ignore_cluster_state=true galera-install.yml'.
when:
- not galera_ignore_cluster_state | bool
- mysql_running.rc == 0
- mysql_status is not defined
tags:
- galera-cluster-state-check
- name: Check for cluster state failure
fail:
msg: |
wsrep_incoming_addresses does not match across the cluster. Please fix before
re-running the playbooks or override with
'openstack-ansible -e galera_ignore_cluster_state=true galera-install.yml'.
with_items: play_hosts
when:
- not galera_ignore_cluster_state | bool
- mysql_running.rc == 0
- mysql_status['wsrep_incoming_addresses'] != hostvars[item]['mysql_status']['wsrep_incoming_addresses']
tags:
- galera-cluster-state-check
- set_fact:
galera_existing_cluster: true
when: mysql_running.rc == 0
tags:
- galera-cluster-state-check