Zouuup / ansible-mariadb-galera-cluster

Role Name

An Ansible role to install/configure mariadb galera cluster https://mariadb.org/

Configurable options (clustering and cacti monitoring ready)

Requirements

None

Vagrant

Spin up a test 3-node cluster using Vagrant....

git clone https://github.com/mrlesmithjr/ansible-mariadb-galera-cluster.git
cd Vagrant
vagrant up

When you are done testing tear it all down....

./cleanup.sh

Role Variables

---
# defaults file for ansible-mariadb-galera-cluster
cacti_db_password: 'cactiuser'  #defines the password for cacti db monitoring...define here or globally in group_vars/all/accounts
cacti_db_user: 'cactiuser'  #defines the user for cacti db monitoring...define here or globally in group_vars/all/accounts
deb_db_password: '{{ mysql_root_password }}'  #defines debian db password...generate using echo password | mkpasswd -s -m sha-512
email_notifications: 'notifications@{{ smtp_domain_name }}'  #defines email address to receive notifications...define here or in group_vars/group
enable_cacti_monitoring: false  #defines if cacti monitoring should be enabled for mysql
enable_galera_monitoring_script: false
enable_mariadb_repo: true  #defines if we should enable the MariaDB repo or use version within OS repos.
galera_allow_root_from_any: false  #defines if root logins should be allowed from any host
galera_cluster_name: 'vagrant-test' # Define the name of the cluster...define here or in group_vars/group
galera_cluster_bind_address: 0.0.0.0  #define bind address for galera cluster...if running in Vagrant define this as...'{{ ansible_eth1.ipv4.address }}'
galera_cluster_nodes_group: 'galera-cluster-nodes'
galera_monitor_script_name: 'galeranotify.py'
galera_monitor_script_path: '/etc/mysql'
mariadb_debian_repo: 'deb [arch=amd64,i386,ppc64el] https://mirrors.evowise.com/mariadb/repo/{{ mariadb_version }}/{{ ansible_distribution|lower }} {{ ansible_distribution_release|lower }} main'
mariadb_debian_repo_key: '0xF1656F24C74CD1D8'
mariadb_debian_repo_keyserver: 'keyserver.ubuntu.com'
mariadb_debian_repo_pin: 'mirrors.evowise.com'
mariadb_redhat_repo: 'http://yum.mariadb.org/{{ mariadb_version }}/{{ ansible_distribution|lower }}{{ ansible_distribution_major_version|int}}-amd64'
mariadb_redhat_repo_key: 'https://yum.mariadb.org/RPM-GPG-KEY-MariaDB'
mariadb_version: 10.1
mysql_master_node: 'node0'
mysql_root_password: 'root' #defines mysql root password...generate using echo password | mkpasswd -s -m sha-512
notify_mail_from: 'galeranotify@{{ smtp_domain_name }}'  #defines email address that cluster notifications will be sent from
notify_mail_to: '{{ email_notifications }}'
notify_smtp_server: '{{ smtp_server }}'  #defines smtp server to send notifications through
pri_domain_name: 'example.org'
reconfigure_galera: false  #defines if the cluster should be reconfigured
smtp_domain_name: '{{ pri_domain_name }}' #defines smtp domain for email...define here or globally in group_vars/all/email
smtp_server: 'smtp.{{ pri_domain_name }}'  #defines smtp server to send email through...define here or globally in group_vars/all/servers

Dependencies

None

Example Playbook

GitHub

---
- hosts: all
  become: true
  vars:
  roles:
    - role: ansible-mariadb-galera-cluster
  tasks:

Galaxy

---
- hosts: all
  become: true
  vars:
  roles:
    - role: mrlesmithjr.mariadb-galera-cluster
  tasks:

License

BSD

Author Information

Larry Smith Jr.

• @mrlesmithjr
• http://everythingshouldbevirtual.com
• mrlesmithjr [at] gmail.com