---
- name: Attach Nextcloud to Postgres
  ansible.builtin.include_tasks: "{{ playbook_dir }}/../postgres/roles/attach/tasks/main.yaml"

# The restart that joins Postgres to nextcloud_net is a handler, so flush it before the app starts. This also applies the queued Caddy restart.
- name: Apply the network change before starting Nextcloud
  ansible.builtin.meta: flush_handlers

# On a fresh cluster the installer would fail without this database, and the retry covers the restart the flush did.
- name: Check whether the {{ pg_database }} database exists
  ansible.builtin.command: >-
    podman exec -e PGPASSWORD={{ pg_password }} {{ postgres_container }}
    psql -U {{ pg_user }} -d postgres -tAc
    "select datname from pg_database where datname = '{{ pg_database }}'"
  register: nextcloud_db
  until: nextcloud_db.rc == 0
  retries: 12
  delay: 5
  changed_when: false
  failed_when: false

- name: Fail if the shared Postgres is not reachable
  ansible.builtin.assert:
    that: nextcloud_db.rc == 0
    fail_msg: >-
      {{ postgres_container }} did not answer. Run postgres/playbook.yml on this
      host first — this play attaches to that cluster and creates its own database
      in it.

- name: Create the {{ pg_database }} database
  ansible.builtin.command: >-
    podman exec -e PGPASSWORD={{ pg_password }} {{ postgres_container }}
    createdb -U {{ pg_user }} -O {{ pg_user }} {{ pg_database }}
  when: nextcloud_db.stdout | trim | length == 0