xoxys.postgres/tasks/install.yml

---
- block:
  - name: Install PostgreSQL
    package:
      name: "{{ item }}"
      state: present
    with_items: "{{ __postgres_packages }}"

  - name: Ensure data directory exists
    file:
      path: "{{ __postgres_data_dir }}"
      owner: "{{ postgres_user }}"
      group: "{{ postgres_group }}"
      state: directory
      mode: 0700

  - name: Setup custom systemd unit
    template:
      src: etc/systemd/system/postgresql.service.j2
      dest: "/etc/systemd/system/{{ __postgres_daemon }}.service"
      mode: 0644
    notify: __postgres_restart

  - name: Check if database is initialized
    stat:
      path: "{{ postgresql_data_dir }}/PG_VERSION"
    register: pgdata_dir_version

  - name: Ensure database is initialized
    command: "/usr/pgsql-{{ __postgres_version }}/bin/postgresql-{{ __postgres_version }}-setup initdb"
    when: not pgdata_dir_version.stat.exists
    become: true
    become_user: "{{ postgres_user }}"
  become: True
  become_user: root