mysql_debconf_module.yml

---
#- name: Copy the MariaDB root non-interactive password
#  template: src=mariadb_non_interactive_password.sh.j2 dest=/tmp/mariadb_non_interactive_password.sh owner=root group=root mode=0700
#
#- name: Execute the MariaDB root non-interactive password file
#  shell: /tmp/mariadb_non_interactive_password.sh
#
#- name: Delete the MariaDB non-interactive password file
#  file: path=/tmp/mariadb_non_interactive_password.sh state=absent
- name: Set Debconf root_password
  debconf: name=mariadb-server question='mysql-server/root_password' value='{{ mariadb_root_password }}' vtype='password' 

- name: Set Debconf root_password_again
  debconf: name=mariadb-server question='mysql-server/root_password_again' value='{{ mariadb_root_password }}' vtype='password' 

- name: Add GPG key for MariaDB repo
  apt_key: id=0xcbcb082a1bb943db url=http://keyserver.ubuntu.com/pks/lookup?op=get&search=0xcbcb082a1bb943db

- name: Add MariaDB 10.1 repo
  apt_repository: repo="deb http://sgp1.mirrors.digitalocean.com/mariadb/repo/10.1/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} main" state=present

- name: Install mariadb-server
  apt: name={{ item }} state=present update_cache=yes
  with_items:
    - mariadb-server
    - python-mysqldb # for ansible
  environment:
    - DEBIAN_FRONTEND: noninteractive
  notify:
    - enable mariadb service
    - start mariadb service

- name: Create .my.conf file for root user
  template: src=.my.cnf.j2 dest=/root/.my.cnf owner=root mode=0600

- name: Update MariaDB root password for all root accounts
  mysql_user: name=root host={{ item }} password={{ mariadb_root_password }}
  with_items:
    - "{{ inventory_hostname }}"
    - 127.0.0.1
    - ::1
    - localhost
  tags: mariadb

# vim: set ts=2 sw=2:

Oooh, I didn't know about the debconf module. I can accept licenses that way maybe, like the Oracle Java license I use on Tomcat servers. 👍