pleroma-ansible-playbook/tasks/postgres.yml

---
- name: Postgres -- Ensure that PostgreSQL is installed.
  apk:
    name: postgresql, postgresql-contrib, py-psycopg2
    state: present

- name: Postgres -- Ensure that the database is initialised.
  command:
    argv:
    - /etc/init.d/postgresql
    - setup
    creates: /var/lib/postgresql/11/data/postgresql.conf

# -----------------------------------
# TODO: Take a look at the postgres
# configuration file before going
# into production.
# -----------------------------------
- name: Postgres -- Ensure that pg_hba.conf is configured.
  template:
    src: etc_postgresql_pg_hba.conf.j2
    dest: /etc/postgresql/pg_hba.conf
    owner: postgres
    group: postgres
    mode: '0400'
  notify: restart postgres

- name: Postgres -- Ensure that PostgreSQL is enabled and started.
  service:
    name: postgresql
    enabled: yes
    state: started

- name: Postgres -- Ensuring that Postgres is available before continuing.
  wait_for:
    connect_timeout: 10
    delay: 5
    host: localhost
    port: 5432
    state: started

- name: Postgres -- Ensuring that the database user {{ pleroma_db_user }} exists.
  become_user: postgres
  postgresql_user:
    db: postgres
    encrypted: yes
    name: "{{ pleroma_db_user }}"
    password: "{{ pleroma_db_password }}"
    state: present
  vars:
    ansible_ssh_pipelining: true

- name: Postgres -- Ensuring that the database {{ pleroma_db_name }} exists.
  become_user: postgres
  postgresql_db:
    conn_limit: "20"
    encoding: UTF-8
    name: "{{ pleroma_db_name }}"
    owner: "{{ pleroma_db_user }}"
    state: present
  vars:
    ansible_ssh_pipelining: true

- name: Postgres -- Ensuring the PostgreSQL extensions is added to the database.
  become_user: postgres
  postgresql_ext:
    name: "{{ item }}"
    db: "{{ pleroma_db_name }}"
    state: present
  loop:
  - citext
  - pg_trgm
  - uuid-ossp
  vars:
    ansible_ssh_pipelining: true