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

---
- name: (Deprecation) Catch and report renamed Buscarron 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_buscarron_noencryption', 'new': '<removed>'}
    - {'old': 'matrix_bot_buscarron_spam_hosts', 'new': '<superseded by matrix_bot_buscarron_spamlist>'}
    - {'old': 'matrix_bot_buscarron_spam_emails', 'new': '<superseded by matrix_bot_buscarron_spamlist>'}
    - {'old': 'matrix_bot_buscarron_spam_localparts', 'new': '<superseded by matrix_bot_buscarron_spamlist>'}

- name: Fail if required Buscarron settings not defined
  ansible.builtin.fail:
    msg: >-
      You need to define a required configuration setting (`{{ item.name }}`).
  when: "item.when | bool and vars[item.name] == ''"
  with_items:
    - {'name': 'matrix_bot_buscarron_password', when: true}
    - {'name': 'matrix_bot_buscarron_hostname', when: true}
    - {'name': 'matrix_bot_buscarron_database_hostname', when: "{{ matrix_bot_buscarron_database_engine == 'postgres' }}"}
    - {'name': 'matrix_bot_buscarron_homeserver', when: true}