- hosts: localhost
  tasks:
    - name: Test if directory exists
      shell: |
        test /var/lib/mysql/mysql
      register: MYSQL_DIRECTORY_EXISTS
    - name: MariaDB setup
      shell: |
        /etc/init.d/mariadb setup
      when: not MYSQL_DIRECTORY_EXISTS
    - name: Enable mariadb service
      service:
        name: mariadb
        state: started
        enabled: true