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

# See https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/1070
# and https://github.com/spantaleev/matrix-docker-ansible-deploy/commit/1ab507349c752042d26def3e95884f6df8886b74#commitcomment-51108407
- name: Fail if trying to self-build on Ansible < 2.8
  fail:
    msg: "To self-build the Element image, you should use Ansible 2.8 or higher. See docs/ansible.md"
  when: "ansible_version.major == 2 and ansible_version.minor < 8 and matrix_dynamic_dns_container_image_self_build"

- set_fact:
    matrix_systemd_services_list: "{{ matrix_systemd_services_list + ['matrix-dynamic-dns.service'] }}"
  when: "matrix_dynamic_dns_enabled|bool"