Ansible playbooks for deploying OpenStack.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
openstack-ansible/playbooks/galera-install.yml

124 lines
4.6 KiB

---
# Copyright 2014, 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 galera cluster status
hosts: galera_all
max_fail_percentage: 0
tasks:
- name: Check if mysql is running
command: /usr/bin/mysqladmin --defaults-file=/etc/mysql/debian.cnf ping
ignore_errors: true
register: mysql_running
- 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")
- name: Gather mysql facts
mysql_status_facts:
ignore_errors: true
- 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' not in hostvars[inventory_hostname] }}"
- 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
- hostvars[item]['mysql_running']['rc'] == 0
- hostvars[inventory_hostname]['mysql_status']['wsrep_incoming_addresses'] != hostvars[item]['mysql_status']['wsrep_incoming_addresses']
- set_fact:
galera_existing_cluster: false
- set_fact:
galera_existing_cluster: true
with_items: play_hosts
when: hostvars[item].mysql_running.rc == 0
vars:
galera_ignore_cluster_state: false
tags:
- discover-galera-cluster-state
- name: Install galera server
hosts: galera_all
serial: 1
max_fail_percentage: 20
user: root
pre_tasks:
- name: Use the lxc-openstack aa profile
lxc_container:
name: "{{ container_name }}"
container_config:
- "lxc.aa_profile=lxc-openstack"
delegate_to: "{{ physical_host }}"
when: not is_metal | bool
register: container_config
tags:
- lxc-aa-profile
- name: Galera extra lxc config
lxc_container:
name: "{{ container_name }}"
container_command: |
[[ ! -d "/var/lib/mysql" ]] && mkdir -p "/var/lib/mysql"
container_config:
- "lxc.mount.entry=/openstack/{{ container_name }} var/lib/mysql none bind 0 0"
delegate_to: "{{ physical_host }}"
when: not is_metal | bool
register: container_extra_config
tags:
- galera-mysql-dir
- name: Wait for container ssh
wait_for:
port: "22"
delay: "{{ ssh_delay }}"
search_regex: "OpenSSH"
host: "{{ ansible_ssh_host }}"
delegate_to: "{{ physical_host }}"
when: >
(container_config is defined and container_config | changed) or
(container_extra_config is defined and container_extra_config | changed)
tags:
- galera-ssh-wait
roles:
- { role: "galera_server", tags: [ "galera-server" ] }
- role: "rsyslog_client"
rsyslog_client_log_rotate_file: galera_log_rotate
rsyslog_client_log_dir: "/var/log/mysql_logs"
rsyslog_client_log_files:
- /var/log/mysql.log
- /var/log/mysql.err
rsyslog_client_config_name: "99-galera-rsyslog-client.conf"
tags:
- "galera-rsyslog-client"
- "rsyslog-client"
- role: "system_crontab_coordination"
tags:
- "system-crontab-coordination"
vars:
galera_server_id: "{{ inventory_hostname | string_2_int }}"
galera_wsrep_node_name: "{{ container_name }}"
ansible_hostname: "{{ container_name }}"
ansible_ssh_host: "{{ container_address }}"
is_metal: "{{ properties.is_metal|default(false) }}"