mastible/roles/mastodon-postgresql/tasks/main.yml

---
# This role installs the PostgreSQL server daemon and creates the mastodon
# database user

- name: Install PostgreSQL server and related packages
  apt: name={{ item }} state=latest update_cache=yes
  with_items:
     - postgresql
     - postgresql-contrib
     - python-psycopg2
- name: Stop any Mastodon services that may be running to remove database locks
  systemd: name={{ item }} state=stopped
  with_items:
    - mastodon-sidekiq
    - mastodon-streaming
    - mastodon-web
- name: Add Mastodon PostgreSQL database user
  postgresql_user:
    name: mastodon
    role_attr_flags: CREATEDB
    state: present
  become: true
  become_user: postgres
- name: Drop any existing database that may exist with the same name
  postgresql_db:
    name: "{{ DB_NAME }}"
    state: absent
  become: true
  become_user: postgres