mariadb
Table of Contents
- Overview
- Module Description - What the module does and why it is useful
- Setup - The basics of getting started with mariadb
- Usage - Configuration options and additional functionality
- Reference - An under-the-hood peek at what the module is doing and how
- Limitations - OS compatibility, etc.
- Development - Guide for contributing to the module
- Contributors
Overview
Puppet Module to install/configure MariaDB client/cluster/server
Module Description
Uses the puppetlabs/mysql module to provide install/config/service/types/etc management.
This module basically manages the official mariadb repo and wraps the mysql module with the correct params to switch to the maria packages.
For the cluster, it also provides management of the wsrep mysql user and galera/wsrep specific config in a separate file.
Also provided are wsrep var and status facts to monitor your cluster from your fav fact reporter ;)
The mariadb module provides some classes to install and configure:
- MariaDB Client
- MariaDB Galera Cluster
- MariaDB Server
- MariaDB Repo
Setup
What mariadb affects
- mariadb package install
- mariadb config files
- mariadb services
- mariadb user/group (optional)
Setup Requirements
only need to install the module
Beginning with mariadb
Minimal mariadb client install for command line use:
include mariadb::client
Usage
Manage the server with pam authentication
class { 'mariadb::server':
auth_pam => true,
}
Also manage the server user and group
class { 'mariadb::server':
manage_user => true,
uid => 494,
gid => 494,
shell => '/sbin/nologin',
}
Customize the cluster config
class { 'mariadb::cluster':
wsrep_cluster_peers => delete(['192.168.1.1', '192.168.1.2', '192.168.1.3'], $::ipaddress),
wsrep_cluster_name => 'my_super_cluster',
wsrep_sst_password => 'super_secret_password',
wsrep_sst_method => 'xtrabackup-v2',
root_password => 'another_secret_password',
override_options => {
'mysqld' => {
'performance_schema' => undef,
'innodb_file_per_table' => 'OFF',
},
},
galera_override_options => {
'mysqld' => {
'wsrep_slave_threads' => '2',
'innodb_flush_log_at_trx_commit' => '0',
},
}
}
Configure with hiera yaml
include mariadb::cluster
---
mariadb::cluster::manage_timezone: true
mariadb::cluster::wsrep_cluster_peers:
- 192.168.1.1
- 192.168.1.2
mariadb::cluster::wsrep_cluster_name: my_super_cluster
mariadb::cluster::wsrep_sst_method: rsync
mariadb::cluster::root_password: another_secret_password
mariadb::cluster::override_options:
mysqld:
performance_schema: OFF
innodb_file_per_table: OFF
mariadb::cluster::galera_override_options:
mysqld:
wsrep_slave_threads: 2
innodb_flush_log_at_trx_commit: 0
Reference
Classes
- mariadb::client
- mariadb::cluster
- mariadb::server
- mariadb::repo
Limitations
This module has been built on and tested against Puppet 3.8 and higher.
While I am sure other versions work, I have not tested them.
This module supports modern RedHat and Debian based systems.
No plans to support other versions (unless you add it :)..
Development
Pull Requests welcome