xoxys.postgres/tasks/config.yml

---
- block:
    - name: Setup global config file
      template:
        src: postgresql/data/postgresql.conf.j2
        dest: "{{ __postgres_config_path }}/postgresql.conf"
        mode: 0600
      notify: __postgres_restart

    - name: Create local users for pam auth
      user:
        name: "{{ item.name }}"
        password: "{{ item.password | password_hash('sha512', 65534 | random(seed=inventory_hostname) | string) }}"
        state: "{{ item.state | default('present') }}"
      with_items: "{{ postgres_users }}"
      no_log: True
      when: item.pam_user | default(False)

    - name: Setup client authentication
      template:
        src: postgresql/data/pg_hba.conf.j2
        dest: "{{ __postgres_config_path }}/pg_hba.conf"
        mode: 0600
      notify: __postgres_restart

    - name: Open ports in iptables
      iptables_raw:
        name: allow_postgres_port
        state: present
        rules: '-A INPUT -m state --state NEW -p tcp --dport {{ postgres_connection_port }} -j ACCEPT'
      when: postgres_iptables_enabled
  become: True
  become_user: root

- name: Force all notified handlers to activate pg_hba.conf
  meta: flush_handlers

- name: Ensure PostgreSQL users are present
  postgresql_user:
    name: "{{ item.name }}"
    password: "{{ 'md5' + (item.password + item.name) | hash('md5') }}"
    encrypted: "{{ item.encrypted | default('yes') }}"
    priv: "{{ item.priv | default(omit) }}"
    role_attr_flags: "{{ item.role_attr_flags | default(omit) }}"
    db: "{{ item.db | default(omit) }}"
    login_host: "{{ item.login_host | default('localhost') }}"
    login_password: "{{ item.login_password | default(omit) }}"
    login_user: "{{ item.login_user | default(postgres_user) }}"
    login_unix_socket: "{{ item.login_unix_socket | default(postgres_socket_directories[0]) }}"
    port: "{{ item.port | default(omit) }}"
    state: "{{ item.state | default('present') }}"
  no_log: True
  with_items: "{{ postgres_users }}"
  become: true
  become_user: "{{ postgres_user }}"