- name: create postgres user and database
  include_role:
    name: postgres
    apply:
      delegate_to: "{{ mail_server.db_server_hostname }}"
  vars:
    function: add_database
    database:
      name: "{{ mail_server.db_name }}"
      user: "{{ mail_server.db_user }}"
      pass: "{{ mail_server.db_pass }}"
      addresses: "{{ [
        (hostvars[mail_server.mta_hostname]['ansible_host'] if mail_server.mta_hostname is defined else ''),
        (hostvars[mail_server.mua_hostname]['ansible_host'] if mail_server.mua_hostname is defined else ''),
        (hostvars[mail_server.rspamd_hostname]['ansible_host'] if mail_server.rspamd_hostname is defined else '')
      ] | select() | list }}"


- name: check if users table already exists
  include_role:
    name: postgres
    apply:
      delegate_to: "{{ mail_server.db_server_hostname }}"
  vars:
    function: run_query
    query:
      database: "{{ mail_server.db_name }}"
      text: "SELECT to_regclass('public.users');"


- name: build database schema
  include_role:
    name: postgres
    apply:
      delegate_to: "{{ mail_server.db_server_hostname }}"
  vars:
    function: run_query
    query:
      database: "{{ mail_server.db_name }}"
      text: "{{ lookup('file', './files/schema.sql') }}"
      user: "{{ mail_server.db_user }}"
      refresh_privs: yes
  when: (query_result is defined) and (query_result[0].to_regclass is none)


- name: create database entries
  include_role:
    name: postgres
    apply:
      delegate_to: "{{ mail_server.db_server_hostname }}"
  vars:
    function: run_query
    query:
      database: "{{ mail_server.db_name }}"
      text: "{{ lookup('template', './templates/sql.j2') }}"