---
- name: Manage the MySQL configuration files
  block:
  - name: Check if the new mysql data directory exists
    stat: path={{ mysql_data_dir }}
    register: my_data_dir

  - name: Stop the mysql service while reconfiguring the data directory
    service: name=mysql state=stopped
    when: my_data_dir.stat.isdir is not defined

  - name: Create the data directory
    file: dest={{ mysql_data_dir }} state=directory owner=mysql group=mysql mode=0700
    
  - name: Copy data to the new directory
    synchronize: src=/var/lib/mysql/ dest={{ mysql_data_dir }}
    delegate_to: "{{ inventory_hostname }}"
    when: my_data_dir.stat.isdir is not defined

  - name: Create the log directory
    file: dest={{ mysql_log_dir }} state=directory owner=mysql group=adm mode=1750
  
  - name: Install the main configuration files.
    template: src={{ item }}.cnf.j2 dest={{ mysql_conf_dir }}/{{ item }}.cnf owner=root group=root mode=0644
    with_items:
      - client
      - mysql-clients
    notify: Restart mysql 
    
  - name: Install the main configuration files.
    template: src={{ item }}.cnf.j2 dest={{ mysql_service_conf_dir }}/mysqld.cnf owner=root group=root mode=0644
    with_items:
      - server
    notify: Restart mysql

  - name: Add AppArmor alias
    lineinfile: path=/etc/apparmor.d/tunables/alias line='alias /var/lib/mysql/ -> {{ mysql_data_dir }}/,' insertafter=EOF
    when: my_data_dir.stat.isdir is not defined

  - name: Restart AppArmor service
    service: name=apparmor state=restarted
    when: my_data_dir.stat.isdir is not defined

  - name: Start the mysql service with the new the data directory
    service: name=mysql state=started
    when: my_data_dir.stat.isdir is not defined

  when: mysql_enabled | bool
  tags: [ 'mysql', 'mariadb', 'mysql_conf' ]