matrix-docker-ansible-deploy/roles/matrix-dynamic-dns/tasks/validate_config.yml

---

- name: Fail if required settings not defined
  fail:
    msg: >-
      You need to define a required configuration setting (`{{ item }}`).
  when: "vars[item] == ''"
  with_items:
    - "matrix_dynamic_dns_username"
    - "matrix_dynamic_dns_password"
    - "matrix_domain"
    - "matrix_dynamic_dns_provider"
    - "matrix_dynamic_dns_mode"

- name: Fail if dynamic dns mode is incorrect
  fail:
    msg: >-
      matrix_dynamic_dns_mode needs to be set to 'daemon' or 'startup'
  when: "matrix_dynamic_dns_enabled and matrix_dynamic_dns_mode != 'daemon' and matrix_dynamic_dns_mode != 'dhcp'"