matrix-docker-ansible-deploy/roles/custom/matrix-bot-matrix-reminder-bot/tasks/validate_config.yml

---

- name: Fail if required matrix-reminder-bot settings not defined
  ansible.builtin.fail:
    msg: >-
      You need to define a required configuration setting (`{{ item }}`).
  when: "item.when | bool and vars[item.name] == ''"
  with_items:
    - {'name': 'matrix_bot_matrix_reminder_bot_matrix_user_password', when: true}
    - {'name': 'matrix_bot_matrix_reminder_bot_reminders_timezone', when: true}
    - {'name': 'matrix_bot_matrix_reminder_bot_container_network', when: true}
    - {'name': 'matrix_bot_matrix_reminder_bot_matrix_homeserver_url', when: true}
    - {'name': 'matrix_bot_matrix_reminder_bot_database_hostname', when: "{{ matrix_bot_matrix_reminder_bot_database_engine == 'postgres' }}"}

- name: (Deprecation) Catch and report renamed matrix-reminder-bot settings
  ansible.builtin.fail:
    msg: >-
      Your configuration contains a variable, which now has a different name.
      Please change your configuration to rename the variable (`{{ item.old }}` -> `{{ item.new }}`).
  when: "item.old in vars"
  with_items:
    - {'old': 'matrix_bot_matrix_reminder_bot_container_self_build', 'new': 'matrix_bot_matrix_reminder_bot_container_image_self_build'}