self-hosting/roles/mariadb-install/tasks/main.yml

---
- name: Install mariadb
  become: true
  apt:
    name: mariadb-server
    state: present
    update_cache: yes

- name: Initialize mariadb
  become: true
  command: mariadb-install-db --user=mysql --basedir=/usr --datadir=/var/lib/mysql
  register: result
  changed_when: "'table already exists!' not in result.stdout"
  notify: Start mysqld service

- name: Secure the installation
  become: true
  block:
    - name: Set root password
      mysql_user: user=root password="" host=localhost
      no_log: true
    - name: Remove anonymous user for ansible_fqdn
      mysql_user: user="" host={{ ansible_fqdn }} state=absent
    - name: Remove anonymous user for localhost
      mysql_user: user="" state=absent
    - name: Remove remote root access
      mysql_user: user=root password="" host={{ item }}
      no_log: true
      with_items:
        - "::1"
        - "127.0.0.1"
        - localhost
    - name: Remove test database
      mysql_db: db=test state=absent
  when: "'table already exists!' not in result.stdout"