matrix-docker-ansible-deploy/roles/custom/matrix-synapse/tasks/self_check_federation_api.yml

---

- name: Check Matrix Federation API
  ansible.builtin.uri:
    url: "{{ matrix_synapse_federation_api_url_endpoint_public }}"
    follow_redirects: none
    validate_certs: "{{ matrix_synapse_self_check_validate_certificates }}"
  register: result_matrix_synapse_federation_api
  ignore_errors: true
  check_mode: false
  when: matrix_synapse_enabled | bool
  delegate_to: 127.0.0.1
  become: false

- name: Fail if Matrix Federation API not working
  ansible.builtin.fail:
    msg: "Failed checking Matrix Federation API is up at `{{ matrix_server_fqn_matrix }}` (checked endpoint: `{{ matrix_synapse_federation_api_url_endpoint_public }}`). Is Synapse running? Is port {{ matrix_federation_public_port }} open in your firewall? Full error: {{ result_matrix_synapse_federation_api }}"
  when: "matrix_synapse_enabled | bool and matrix_synapse_federation_enabled | bool and (result_matrix_synapse_federation_api.failed or 'json' not in result_matrix_synapse_federation_api)"

- name: Fail if Matrix Federation API unexpectedly enabled
  ansible.builtin.fail:
    msg: "Matrix Federation API is up at `{{ matrix_server_fqn_matrix }}` (checked endpoint: `{{ matrix_synapse_federation_api_url_endpoint_public }}`) despite being disabled."
  when: "matrix_synapse_enabled | bool and not matrix_synapse_federation_enabled | bool and not result_matrix_synapse_federation_api.failed"

- name: Report working Matrix Federation API
  ansible.builtin.debug:
    msg: "The Matrix Federation API at `{{ matrix_server_fqn_matrix }}` (checked endpoint: `{{ matrix_synapse_federation_api_url_endpoint_public }}`) is working"
  when: "matrix_synapse_enabled | bool and matrix_synapse_federation_enabled | bool"