ansible-role-postfix/tasks/configure_database.yml

---
- name: Initialize fact create_database
  set_fact:
    create_database: true

- name: Check for existing database
  shell: mysql -Bqe 'show databases'
  register: databases

- name: Check for existing tables in database
  shell: "mysql {{ mail_db_name }} -Bqe 'show tables'"
  register: tables
  when: "mail_db_name in databases.stdout"

- name: Update fact create_database
  set_fact:
    create_database: false
  when:
    - "mail_db_name in databases.stdout"
    - "'transport' in tables.stdout"

- name: Copy database dump file
  copy:
    src: files/mysql_mail_db.sql
    dest: /tmp
  when: create_database

- name: Create a new database with name 'mail' from structure file
  mysql_db:
    name: "{{ mail_db_name }}"
    state: import
    target: /tmp/mysql_mail_db.sql
    login_unix_socket: /var/run/mysqld/mysqld.sock
  when: create_database

- name: Create database user with name '{{ mail_db_user}}' with mail database privileges
  mysql_user:
    name: "{{ mail_db_user}}"
    password: "{{ mail_db_password }}"
    priv: "{{ mail_db_name }}.*:ALL"
    state: present
    login_unix_socket: /var/run/mysqld/mysqld.sock

- name: Insert forwarding in database
  community.mysql.mysql_query:
    login_db: "{{ mail_db_name }}"
    query: "INSERT IGNORE INTO forwardings (source, destination, porpouse) VALUES ('{{ item['source'] }}', '{{ item['destination'] }}', '{{ item['porpouse'] }}')"
    single_transaction: yes
    login_unix_socket: /var/run/mysqld/mysqld.sock
  ignore_errors: true
  loop: "{{ mail_forwardings }}"

- name: Insert domains in database
  community.mysql.mysql_query:
    login_db: "{{ mail_db_name }}"
    query: "INSERT IGNORE INTO domains (domain) VALUES ('{{ item }}')"
    single_transaction: yes
    login_unix_socket: /var/run/mysqld/mysqld.sock
  ignore_errors: true
  loop: "{{ mail_domains }}"

- name: Insert users in database
  community.mysql.mysql_query:
    login_db: "{{ mail_db_name }}"
    query: "INSERT IGNORE INTO users (email, password, fullname, quota) VALUES ('{{ item['email'] }}', '{{ item['password'] }}', '{{ item['fullname'] }}', '{{ item['quota'] }}')"
    single_transaction: yes
    login_unix_socket: /var/run/mysqld/mysqld.sock
  ignore_errors: true
  loop: "{{ mail_users }}"

- name: Insert transports in database
  community.mysql.mysql_query:
    login_db: "{{ mail_db_name }}"
    query: "INSERT IGNORE INTO transport (domain, transport) VALUES ('{{ item['domain'] }}', '{{ item['transport'] }}')"
    single_transaction: yes
    login_unix_socket: /var/run/mysqld/mysqld.sock
  ignore_errors: true
  loop: "{{ mail_transports }}"