tildes/ansible/roles/postgresql_tildes_dbs/tasks/main.yml

---
- name: Install requirements for building psycopg2 (needed by Ansible)
  apt:
    name:
      - gcc
      - libpq-dev
      - python3-dev

- name: Install packages needed by Ansible community plugins
  pip:
    executable: pip3
    name:
      - ipaddress
      - psycopg2

- name: Create tildes user
  become_user: postgres
  community.postgresql.postgresql_user:
    name: tildes
    role_attr_flags: "{{ postgresql_tildes_user_flags }}"

# This is a bit of a hack to effectively enable looping over a block of tasks
- name: Set up site database (and test database in dev version)
  include_tasks: database.yml
  loop: "{{ postgresql_tildes_databases }}"
  vars:
    extensions:
      - citext
      - ltree
      - intarray
      - pg_stat_statements
      - pg_trgm
      - plpython3u
  register: database_changes

# Since handlers don't run until the end of the entire playbook, we need to run them
# manually at this point in case postgresql or pgbouncer need to be reloaded
- name: Trigger handlers to run manually for postgresql/pgbouncer updates
  meta: flush_handlers

- name: Check if the database has already been initialized (will fail if not)
  become_user: postgres
  community.postgresql.postgresql_query:
    db: tildes
    query: select user_id from users;
  ignore_errors: true
  register: users_query

- name: Initialize the database
  become_user: postgres
  command:
    cmd: "{{ bin_dir }}/python -c \"from scripts.initialize_db import initialize_db; initialize_db('{{ app_dir }}/{{ ini_file }}')\""
    chdir: "{{ app_dir }}"
  when: users_query is failed
  register: initialize_db

- name: Insert dev data into database
  become_user: "{{ app_username }}"
  command:
    cmd: "{{ bin_dir }}/python -c \"from scripts.initialize_db import insert_dev_data; insert_dev_data('{{ app_dir }}/{{ ini_file }}')\""
    chdir: "{{ app_dir }}"
  when: tildes_database_insert_dev_data and initialize_db is changed