OpenStack-Ansible Galera client

This Ansible role installs packages used to interact with and manage a Galera cluster.

Default variables

# Default galera connection address
galera_address: 127.0.0.1
galera_root_user: root

# Set the URL for the MariaDB repository
galera_client_repo_url: "{{ galera_repo_url | default(_galera_client_repo_url) }}"

# Set the repo information for the MariaDB repository
galera_client_repo: "{{ _galera_client_repo }}"

# Set the gpg keys needed to be imported
galera_client_gpg_keys: "{{ _galera_client_gpg_keys }}"

# This is only applied if the ansible_pkg_mgr is 'apt'
galera_client_distro_package_pins: [{ package: "*", release: MariaDB, priority: "1001" }]

## APT Cache Options
cache_timeout: 600

# Set the package install state for distribution packages
# Options are 'present' and 'latest'
galera_client_package_state: "latest"

galera_client_drop_config_file: false

galera_client_pip_packages:
  - MySQL-python

galera_client_fatal_deprecations: false

## Tunable overrides
galera_client_my_cnf_overrides: {}

mariadb_repo_filename: "MariaDB"

# SSL support
galera_use_ssl: false
# The path where to store the database server CA certificate
galera_ssl_ca_cert: /etc/ssl/certs/galera-ca.pem
# The path to Galera CA certificate file on the deployment host
galera_user_ssl_ca_cert: /etc/openstack_deploy/self_signed_certs/galera-ca.pem

Required variables

To use this role, define the following variables:

galera_root_password: secrete

Dependencies

This role depends on the config_template Ansible module provided by OpenStack-Ansible Plugins.

Example playbook

- name: Install Galera client
  hosts: all
  user: root
  roles:
    - role: "openstack-ansible-galera_client"
  galera_address: "10.0.0.1"
  galera_root_password: secrete
  galera_root_user: root
  galera_client_drop_config_file: true