Ansible Role: mariadb-galera-cluster

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A simple Ansible role for installing and configuring the MariaDB Galera cluster 10.3 for RHEL/CentOS 7.

• Install the necessary packages;
• Create configuration file;

Requirements

• The SELINUX and firewall settings are not considered to be a concern of this role.

Role Variables

None of the variables below are required

Dependencies

No dependencies.

In the file start_cluster.yml it is necessary to inform the IP of the first node that will be the master

Examplo:

• name: start first node command: galera_new_cluster when: ansible_default_ipv4.address == '192.168.0.23'

Example Inventory File

[galera_cluster_nodes] 192.168.0.23 192.168.0.24 192.168.0.28

Example Playbook

• hosts: galera_cluster_nodes

  become: yes

  roles:

  • /path/mariadb-galera-cluster

...

Contributing

Issues, feature requests, ideas are appreciated and can be posted in the Issues section.

Author Information

LinkedIn: https://br.linkedin.com/in/almircandido