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path: root/roles/postgres/tasks/main.yml
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- name: install postgres
  package:
    name:
      - postgresql-server
      - postgresql-contrib
    state: present

- name: create postgres directories
  file:
    path: "{{ postgres_dir }}/{{ item }}"
    owner: "{{ postgres_user }}"
    group: "{{ postgres_group }}"
    mode: 0750
    state: directory
  loop:
    - ""
    - "data"

- name: delete default data dir if exists
  file:
    path: "{{ postgres_default_dir }}"
    state: absent
  when: postgres_dir != "/var/postgresql"

- name: link postgres directory to default one
  file:
    src: "{{ postgres_dir }}"
    dest: "{{ postgres_default_dir }}"
    owner: "{{ postgres_user }}"
    group: "{{ postgres_group }}"
    state: link
    mode: 0750
    follow: false
  when: postgres_dir != "/var/postgresql"

  # NOTE: this tasks needs `pipelining` set to `false` to work correctly
- name: init postgres database  # noqa: no-changed-when
  command:
    cmd: initdb -D "{{ postgres_dir }}/data/" -U "{{ postgres_db_user }}" --encoding=UTF-8 --locale=en_US.UTF-8
    chdir: "{{ postgres_dir }}"
  register: result
  become: true
  become_user: "{{ postgres_user }}"
  failed_when:
    - result.rc != 0
    - "'exists but is not empty' not in result.stderr"

- name: enable and restart postgres service
  service:
    name: postgresql
    state: restarted
    enabled: true
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