---
- include: centos.yml
  when: ansible_distribution == 'CentOS' and ansible_distribution_major_version|int >= 6

- include: ubuntu-trusty.yml
  when: ansible_distribution == 'Ubuntu' and ansible_distribution_version == '14.04'

- include: ubuntu-xenial_bionic.yml
  when: ansible_distribution == 'Ubuntu' and ansible_distribution_major_version|int >= 16

- name: Add configuration
  template:
    src: '{{ mysql_conf_tpl }}'
    dest: '{{ mysql_conf_dir[ansible_distribution] }}/{{ mysql_conf_file }}'
    owner: root
    group: root
    mode: 0644
  when: mysql_conf_tpl != 'change_me' and ansible_distribution != 'Debian'
  notify: restart mysql

- include_tasks: debian.yml
  when: ansible_distribution == 'Debian'

- name: Add configuration
  template:
    src: '{{ mysql_conf_tpl }}'
    dest: '{{ mysql_conf_dir[ansible_distribution] }}/{{ mysql_conf_file }}'
    owner: root
    group: root
    mode: 0644
  when: mysql_conf_tpl != 'change_me' and ansible_distribution == 'Debian'
  notify: restart mysql

- name: Add additional conf for MariaDB 10.2 in mariadb.conf.d
  blockinfile:
    path: /etc/mysql/conf.d/settings.cnf
    block: |
      # Import all .cnf files from configuration directory
      !includedir /etc/mysql/mariadb.conf.d/
  become: yes
  become_user: root
  when: ansible_distribution == 'Ubuntu' or ansible_distribution == 'Debian'

- name: Add additional conf for MariaDB 10.2 in mariadb.conf.d
  blockinfile:
    path: /etc/mysql/mariadb.conf.d/erpnext.cnf
    block: |
      [mysqld]
      pid-file        = /var/run/mysqld/mysqld.pid
      socket          = /var/run/mysqld/mysqld.sock
    create: yes
  become: yes
  become_user: root
  when: ansible_distribution == 'Ubuntu' or ansible_distribution == 'Debian'

- name: Start and enable service
  service:
    name: mysql
    state: started
    enabled: yes

- debug:
    msg: "{{ mysql_root_password }}"

- include_tasks: mysql_secure_installation.yml
  when: mysql_root_password is defined

- debug:
    var: mysql_secure_installation
  when: mysql_secure_installation and mysql_root_password is defined

...