Add support for hosting Element (on Traefik) at a subpath

This commit is contained in:
Slavi Pantaleev 2023-02-14 08:31:26 +02:00
parent e34174b1b4
commit ff1338e003
3 changed files with 34 additions and 1 deletions

View file

@ -38,7 +38,9 @@ matrix_client_element_container_http_host_bind_port: ''
matrix_client_element_container_labels_traefik_enabled: true
matrix_client_element_container_labels_traefik_docker_network: "{{ matrix_client_element_container_network }}"
matrix_client_element_container_labels_traefik_hostname: "{{ matrix_server_fqn_element }}"
matrix_client_element_container_labels_traefik_rule: "Host(`{{ matrix_client_element_container_labels_traefik_hostname }}`)"
# The path prefix must either be `/` or not end with a slash (e.g. `/element`).
matrix_client_element_container_labels_traefik_path_prefix: /
matrix_client_element_container_labels_traefik_rule: "Host(`{{ matrix_client_element_container_labels_traefik_hostname }}`){% if matrix_client_element_container_labels_traefik_path_prefix != '/' %} && PathPrefix(`{{ matrix_client_element_container_labels_traefik_path_prefix }}`){% endif %}"
matrix_client_element_container_labels_traefik_entrypoints: web-secure
matrix_client_element_container_labels_traefik_tls: "{{ matrix_client_element_container_labels_traefik_entrypoints != 'web' }}"
matrix_client_element_container_labels_traefik_tls_certResolver: default # noqa var-naming

View file

@ -26,3 +26,23 @@
when: "vars | dict2items | selectattr('key', 'match', item.old) | list | items2dict"
with_items:
- {'old': 'matrix_riot_web_.*', 'new': 'matrix_client_element_.*'}
- when: matrix_client_element_container_labels_traefik_enabled | bool
block:
- name: Fail if required matrix-client-element Traefik settings not defined
ansible.builtin.fail:
msg: >-
You need to define a required configuration setting (`{{ item }}`).
when: "vars[item] == ''"
with_items:
- matrix_synapse_admin_container_labels_traefik_hostname
- matrix_client_element_container_labels_traefik_path_prefix
# We ensure it doesn't end with a slash, because we handle both (slash and no-slash).
# Knowing that `matrix_client_element_container_labels_traefik_path_prefix` does not end with a slash
# ensures we know how to set these routes up without having to do "does it end with a slash" checks elsewhere.
- name: Fail if matrix_client_element_container_labels_traefik_path_prefix ends with a slash
ansible.builtin.fail:
msg: >-
matrix_client_element_container_labels_traefik_path_prefix (`{{ matrix_client_element_container_labels_traefik_path_prefix }}`) must either be `/` or not end with a slash (e.g. `/element`).
when: "matrix_client_element_container_labels_traefik_path_prefix != '/' and matrix_client_element_container_labels_traefik_path_prefix[-1] == '/'"

View file

@ -7,6 +7,17 @@ traefik.docker.network={{ matrix_client_element_container_labels_traefik_docker_
{% set middlewares = [] %}
{% if matrix_client_element_container_labels_traefik_path_prefix != '/' %}
traefik.http.middlewares.matrix-client-element-slashless-redirect.redirectregex.regex=({{ matrix_client_element_container_labels_traefik_path_prefix | quote }})$
traefik.http.middlewares.matrix-client-element-slashless-redirect.redirectregex.replacement=${1}/
{% set middlewares = middlewares + ['matrix-client-element-slashless-redirect'] %}
{% endif %}
{% if matrix_client_element_container_labels_traefik_path_prefix != '/' %}
traefik.http.middlewares.matrix-client-element-strip-prefix.stripprefix.prefixes={{ matrix_client_element_container_labels_traefik_path_prefix }}
{% set middlewares = middlewares + ['matrix-client-element-strip-prefix'] %}
{% endif %}
{% if matrix_client_element_container_labels_traefik_additional_response_headers.keys() | length > 0 %}
{% for name, value in matrix_client_element_container_labels_traefik_additional_response_headers.items() %}
traefik.http.middlewares.matrix-client-element-add-headers.headers.customresponseheaders.{{ name }}={{ value }}