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

---
- name: Fail if required Dendrite settings not defined
  ansible.builtin.fail:
    msg: >-
      You need to define a required configuration setting (`{{ item }}`) for using Dendrite.
  when: "vars[item] == ''"
  with_items:
    - "matrix_dendrite_client_api_registration_shared_secret"

- name: (Deprecation) Catch and report renamed 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_dendrite_enable_registration_captcha', 'new': 'matrix_dendrite_client_api_enable_registration_captcha'}
    - {'old': 'matrix_dendrite_recaptcha_public_key', 'new': 'matrix_dendrite_client_api_recaptcha_public_key'}
    - {'old': 'matrix_dendrite_recaptcha_private_key', 'new': 'matrix_dendrite_client_api_recaptcha_private_key'}
    - {'old': 'matrix_dendrite_registration_disabled', 'new': 'matrix_dendrite_client_api_registration_disabled'}
    - {'old': 'matrix_dendrite_registration_shared_secret', 'new': 'matrix_dendrite_client_api_registration_shared_secret'}
    - {'old': 'matrix_dendrite_turn_uris', 'new': 'matrix_dendrite_client_api_turn_uris'}
    - {'old': 'matrix_dendrite_turn_client_api_shared_secret', 'new': 'matrix_dendrite_client_api_turn_client_api_shared_secret'}
    - {'old': 'matrix_dendrite_turn_allow_guests', 'new': 'matrix_dendrite_client_api_turn_allow_guests'}
    - {'old': 'matrix_dendrite_rate_limiting_enabled', 'new': 'matrix_dendrite_client_api_rate_limiting_enabled'}
    - {'old': 'matrix_dendrite_rate_limiting_threshold', 'new': 'matrix_dendrite_client_api_rate_limiting_threshold'}
    - {'old': 'matrix_dendrite_rate_limiting_cooloff_ms', 'new': 'matrix_dendrite_client_api_rate_limiting_cooloff_ms'}