Move matrix-bridge-mautrix-gmessages to its own container network

group_vars/matrix_servers

@@ -1297,19 +1297,36 @@ matrix_mautrix_twitter_database_password: "{{ '%s' | format(matrix_homeserver_ge
 # We don't enable bridges by default.
 matrix_mautrix_gmessages_enabled: false
 
+matrix_mautrix_gmessages_systemd_required_services_list_auto: |
+  {{
+    matrix_addons_homeserver_systemd_services_list
+    +
+    ([devture_postgres_identifier ~ '.service'] if (devture_postgres_enabled and matrix_mautrix_facebook_database_hostname == devture_postgres_connection_hostname) else [])
+  }}
+
 matrix_mautrix_gmessages_container_image_self_build: "{{ matrix_architecture not in ['arm64', 'amd64'] }}"
 
-matrix_mautrix_gmessages_systemd_required_services_list: |
+matrix_mautrix_gmessages_container_network: "{{ matrix_addons_container_network }}"
+
+matrix_mautrix_gmessages_container_additional_networks_auto: |-
   {{
-    ['docker.service']
+    (
+      ([] if matrix_addons_homeserver_container_network == '' else [matrix_addons_homeserver_container_network])
       +
-    ['matrix-' + matrix_homeserver_implementation + '.service']
+      ([devture_postgres_container_network] if (devture_postgres_enabled and matrix_mautrix_gmessages_database_hostname == devture_postgres_connection_hostname and matrix_mautrix_gmessages_container_network != devture_postgres_container_network) else [])
       +
-    ([devture_postgres_identifier ~ '.service'] if devture_postgres_enabled else [])
-    +
-    (['matrix-nginx-proxy.service'] if matrix_nginx_proxy_enabled else [])
+      ([matrix_playbook_reverse_proxyable_services_additional_network] if (matrix_playbook_reverse_proxyable_services_additional_network and matrix_mautrix_gmessages_container_labels_traefik_enabled) else [])
+    ) | unique
   }}
 
+matrix_mautrix_gmessages_container_labels_traefik_enabled: "{{ matrix_playbook_reverse_proxy_type in ['playbook-managed-traefik', 'other-traefik-container'] }}"
+matrix_mautrix_gmessages_container_labels_traefik_docker_network: "{{ matrix_playbook_reverse_proxyable_services_additional_network }}"
+matrix_mautrix_gmessages_container_labels_traefik_entrypoints: "{{ devture_traefik_entrypoint_primary }}"
+matrix_mautrix_gmessages_container_labels_traefik_tls_certResolver: "{{ devture_traefik_certResolver_primary }}"
+
+matrix_mautrix_gmessages_container_labels_metrics_middleware_basic_auth_enabled: "{{ matrix_metrics_exposure_http_basic_auth_enabled }}"
+matrix_mautrix_gmessages_container_labels_metrics_middleware_basic_auth_users: "{{ matrix_metrics_exposure_http_basic_auth_users }}"
+
 matrix_mautrix_gmessages_appservice_token: "{{ '%s' | format(matrix_homeserver_generic_secret_key) | password_hash('sha512', 'gmessa.as.token', rounds=655555) | to_uuid }}"
 
 matrix_mautrix_gmessages_homeserver_token: "{{ '%s' | format(matrix_homeserver_generic_secret_key) | password_hash('sha512', 'gmessa.hs.token', rounds=655555) | to_uuid }}"
@@ -1318,7 +1335,9 @@ matrix_mautrix_gmessages_login_shared_secret: "{{ matrix_synapse_ext_password_pr
 
 matrix_mautrix_gmessages_metrics_enabled: "{{ prometheus_enabled }}"
 
-# TODO - add support for exposing metrics
+matrix_mautrix_gmessages_metrics_proxying_enabled: "{{ matrix_mautrix_gmessages_metrics_enabled and matrix_metrics_exposure_enabled }}"
+matrix_mautrix_gmessages_metrics_proxying_hostname: "{{ matrix_metrics_exposure_hostname }}"
+matrix_mautrix_gmessages_metrics_proxying_path_prefix: "{{ matrix_metrics_exposure_path_prefix }}/mautrix-gmessages"
 
 # Postgres is the default, except if not using internal Postgres server
 matrix_mautrix_gmessages_database_engine: "{{ 'postgres' if devture_postgres_enabled else 'sqlite' }}"

roles/custom/matrix-bridge-mautrix-gmessages/defaults/main.yml

@@ -27,11 +27,49 @@ matrix_mautrix_gmessages_appservice_address: "http://matrix-mautrix-gmessages:80
 
 matrix_mautrix_gmessages_command_prefix: "!gm"
 
+matrix_mautrix_gmessages_container_network: ""
+
+matrix_mautrix_gmessages_container_additional_networks: "{{ matrix_mautrix_gmessages_container_additional_networks_auto + matrix_mautrix_gmessages_container_additional_networks_custom }}"
+matrix_mautrix_gmessages_container_additional_networks_auto: []
+matrix_mautrix_gmessages_container_additional_networks_custom: []
+
+# matrix_mautrix_gmessages_container_labels_traefik_enabled controls whether labels to assist a Traefik reverse-proxy will be attached to the container.
+# See `../templates/labels.j2` for details.
+#
+# To inject your own other container labels, see `matrix_mautrix_gmessages_container_labels_additional_labels`.
+matrix_mautrix_gmessages_container_labels_traefik_enabled: true
+matrix_mautrix_gmessages_container_labels_traefik_docker_network: "{{ matrix_mautrix_gmessages_container_network }}"
+matrix_mautrix_gmessages_container_labels_traefik_entrypoints: web-secure
+matrix_mautrix_gmessages_container_labels_traefik_tls_certResolver: default  # noqa var-naming
+
+# Controls whether labels will be added that expose mautrix-gmessages' metrics
+matrix_mautrix_gmessages_container_labels_metrics_enabled: "{{ matrix_mautrix_gmessages_metrics_enabled and matrix_mautrix_gmessages_metrics_proxying_enabled }}"
+matrix_mautrix_gmessages_container_labels_metrics_traefik_rule: "Host(`{{ matrix_mautrix_gmessages_metrics_proxying_hostname }}`) && PathPrefix(`{{ matrix_mautrix_gmessages_metrics_proxying_path_prefix }}`)"
+matrix_mautrix_gmessages_container_labels_metrics_traefik_priority: 0
+matrix_mautrix_gmessages_container_labels_metrics_traefik_entrypoints: "{{ matrix_mautrix_gmessages_container_labels_traefik_entrypoints }}"
+matrix_mautrix_gmessages_container_labels_metrics_traefik_tls: "{{ matrix_mautrix_gmessages_container_labels_metrics_traefik_entrypoints != 'web' }}"
+matrix_mautrix_gmessages_container_labels_metrics_traefik_tls_certResolver: "{{ matrix_mautrix_gmessages_container_labels_traefik_tls_certResolver }}"  # noqa var-naming
+matrix_mautrix_gmessages_container_labels_metrics_middleware_basic_auth_enabled: false
+# See: https://doc.traefik.io/traefik/middlewares/http/basicauth/#users
+matrix_mautrix_gmessages_container_labels_metrics_middleware_basic_auth_users: ''
+
+# matrix_mautrix_gmessages_container_labels_additional_labels contains a multiline string with additional labels to add to the container label file.
+# See `../templates/labels.j2` for details.
+#
+# Example:
+# matrix_mautrix_gmessages_container_labels_additional_labels: |
+#   my.label=1
+#   another.label="here"
+matrix_mautrix_gmessages_container_labels_additional_labels: ''
+
 # A list of extra arguments to pass to the container
 matrix_mautrix_gmessages_container_extra_arguments: []
 
 # List of systemd services that matrix-mautrix-gmessages.service depends on.
-matrix_mautrix_gmessages_systemd_required_services_list: ['docker.service']
+matrix_mautrix_gmessages_systemd_required_services_list: "{{ matrix_mautrix_gmessages_systemd_required_services_list_default + matrix_mautrix_gmessages_systemd_required_services_list_auto + matrix_mautrix_gmessages_systemd_required_services_list_custom }}"
+matrix_mautrix_gmessages_systemd_required_services_list_default: ['docker.service']
+matrix_mautrix_gmessages_systemd_required_services_list_auto: []
+matrix_mautrix_gmessages_systemd_required_services_list_custom: []
 
 # List of systemd services that matrix-mautrix-gmessages.service wants
 matrix_mautrix_gmessages_systemd_wanted_services_list: []
@@ -56,7 +94,8 @@ matrix_mautrix_gmessages_metrics_enabled: false
 
 # Controls whether metrics should be proxied (exposed) on a public URL.
 matrix_mautrix_gmessages_metrics_proxying_enabled: false
-# TODO - add more variables for controlling the hostname and prefix, etc.
+matrix_mautrix_gmessages_metrics_proxying_hostname: ''
+matrix_mautrix_gmessages_metrics_proxying_path_prefix: ''
 
 # Database-related configuration fields.
 #

roles/custom/matrix-bridge-mautrix-gmessages/tasks/inject_into_nginx_proxy.yml

@@ -1,28 +0,0 @@
----
-
-- name: Fail if matrix-nginx-proxy role already executed
-  ansible.builtin.fail:
-    msg: >-
-      Trying to append mautrix-gmessages-metrics's reverse-proxying configuration to matrix-nginx-proxy,
-      but it's pointless since the matrix-nginx-proxy role had already executed.
-      To fix this, please change the order of roles in your playbook,
-      so that the matrix-nginx-proxy role would run after the matrix-bridge-mautrix-gmessages role.
-  when: matrix_nginx_proxy_role_executed | default(False) | bool
-
-- when: matrix_mautrix_gmessages_metrics_proxying_enabled | bool
-  block:
-    - name: Generate mautrix-gmessages metrics proxying configuration for matrix-nginx-proxy (matrix.DOMAIN/metrics/mautrix-gmessages)
-      ansible.builtin.set_fact:
-        matrix_mautrix_gmessages_nginx_metrics_configuration_block: |
-          location /metrics/mautrix-gmessages {
-            {% if matrix_nginx_proxy_enabled | default(False) %}
-              {# Use the embedded DNS resolver in Docker containers to discover the service #}
-              resolver 127.0.0.11 valid=5s;
-              set $backend "matrix-mautrix-gmessages:8001";
-              proxy_pass http://$backend/metrics;
-            {% else %}
-              return 404 "matrix-nginx-proxy is disabled and no host port was bound to the container, so metrics are unavailable";
-            {% endif %}
-          }
-
-# Injection code was here

roles/custom/matrix-bridge-mautrix-gmessages/tasks/main.yml

@@ -1,14 +1,5 @@
 ---
 
-- tags:
-    - setup-all
-    - setup-nginx-proxy
-    - install-all
-    - install-nginx-proxy
-  block:
-    - when: matrix_mautrix_gmessages_enabled | bool and matrix_mautrix_gmessages_metrics_enabled | bool
-      ansible.builtin.include_tasks: "{{ role_path }}/tasks/inject_into_nginx_proxy.yml"
-
 - tags:
     - setup-all
     - setup-mautrix-gmessages

roles/custom/matrix-bridge-mautrix-gmessages/tasks/setup_install.yml

@@ -132,6 +132,21 @@
     dest: "{{ devture_systemd_docker_base_systemd_path }}/matrix-mautrix-gmessages.service"
     mode: 0644
 
+- name: Ensure mautrix-gmessages support files installed
+  ansible.builtin.template:
+    src: "{{ role_path }}/templates/{{ item }}.j2"
+    dest: "{{ matrix_mautrix_gmessages_base_path }}/{{ item }}"
+    mode: 0640
+    owner: "{{ matrix_user_username }}"
+    group: "{{ matrix_user_groupname }}"
+  with_items:
+    - labels
+
+- name: Ensure matrix-mautrix-gmessages container network is created
+  community.general.docker_network:
+    name: "{{ matrix_mautrix_gmessages_container_network }}"
+    driver: bridge
+
 - name: Ensure matrix-mautrix-gmessages.service restarted, if necessary
   ansible.builtin.service:
     name: "matrix-mautrix-gmessages.service"

roles/custom/matrix-bridge-mautrix-gmessages/tasks/validate_config.yml

@@ -9,6 +9,9 @@
     - {'name': 'matrix_mautrix_gmessages_appservice_token', when: true}
     - {'name': 'matrix_mautrix_gmessages_homeserver_token', when: true}
     - {'name': 'matrix_mautrix_gmessages_database_hostname', when: "{{ matrix_mautrix_gmessages_database_engine == 'postgres' }}"}
+    - {'name': 'matrix_mautrix_gmessages_metrics_proxying_hostname', when: "{{ matrix_mautrix_gmessages_metrics_enabled }}"}
+    - {'name': 'matrix_mautrix_gmessages_metrics_proxying_path_prefix', when: "{{ matrix_mautrix_gmessages_metrics_enabled }}"}
+    - {'name': 'matrix_mautrix_gmessages_container_network', when: true}
 
 - name: (Deprecation) Catch and report renamed settings
   ansible.builtin.fail:

roles/custom/matrix-bridge-mautrix-gmessages/templates/config.yaml.j2

@@ -87,7 +87,7 @@ metrics:
     # Enable prometheus metrics?
     enabled: {{ matrix_mautrix_gmessages_metrics_enabled | to_json }}
     # IP and port where the metrics listener should be. The path is always /metrics
-    listen: 127.0.0.1:8001
+    listen: 0.0.0.0:8001
 
 google_messages:
     # OS name to tell the phone. This is the name that shows up in the paired devices list.

roles/custom/matrix-bridge-mautrix-gmessages/templates/labels.j2

@@ -0,0 +1,35 @@
+{% if matrix_mautrix_gmessages_container_labels_traefik_enabled %}
+traefik.enable=true
+
+{% if matrix_mautrix_gmessages_container_labels_traefik_docker_network %}
+traefik.docker.network={{ matrix_mautrix_gmessages_container_labels_traefik_docker_network }}
+{% endif %}
+
+{#
+	Metrics
+#}
+{% if matrix_mautrix_gmessages_container_labels_metrics_enabled %}
+traefik.http.routers.matrix-mautrix-gmessages-metrics.rule={{ matrix_mautrix_gmessages_container_labels_metrics_traefik_rule }}
+{% if matrix_mautrix_gmessages_container_labels_metrics_traefik_priority | int > 0 %}
+traefik.http.routers.matrix-mautrix-gmessages-metrics.priority={{ matrix_mautrix_gmessages_container_labels_metrics_traefik_priority }}
+{% endif %}
+traefik.http.routers.matrix-mautrix-gmessages-metrics.service=matrix-mautrix-gmessages-metrics
+traefik.http.routers.matrix-mautrix-gmessages-metrics.entrypoints={{ matrix_mautrix_gmessages_container_labels_metrics_traefik_entrypoints }}
+traefik.http.routers.matrix-mautrix-gmessages-metrics.tls={{ matrix_mautrix_gmessages_container_labels_metrics_traefik_tls | to_json }}
+{% if matrix_mautrix_gmessages_container_labels_metrics_traefik_tls %}
+traefik.http.routers.matrix-mautrix-gmessages-metrics.tls.certResolver={{ matrix_mautrix_gmessages_container_labels_metrics_traefik_tls_certResolver }}
+{% endif %}
+{% if matrix_mautrix_gmessages_container_labels_metrics_middleware_basic_auth_enabled %}
+traefik.http.routers.matrix-mautrix-gmessages-metrics.middlewares=matrix-mautrix-gmessages-metrics-basic-auth
+traefik.http.middlewares.matrix-mautrix-gmessages-metrics-basic-auth.basicauth.users={{ matrix_mautrix_gmessages_container_labels_metrics_middleware_basic_auth_users }}
+{% endif %}
+
+traefik.http.services.matrix-mautrix-gmessages-metrics.loadbalancer.server.port=8001
+{% endif %}
+{#
+	/Metrics
+#}
+
+{% endif %}
+
+{{ matrix_mautrix_gmessages_container_labels_additional_labels }}

roles/custom/matrix-bridge-mautrix-gmessages/templates/systemd/matrix-mautrix-gmessages.service.j2

@@ -19,13 +19,16 @@ ExecStartPre=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_s
 # Intentional delay, so that the homeserver (we likely depend on) can manage to start.
 ExecStartPre={{ matrix_host_command_sleep }} 5
 
-ExecStart={{ devture_systemd_docker_base_host_command_docker }} run --rm --name matrix-mautrix-gmessages \
+ExecStartPre={{ devture_systemd_docker_base_host_command_docker }} create \
+			--rm \
+			--name=matrix-mautrix-gmessages \
 			--log-driver=none \
 			--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
 			--cap-drop=ALL \
-			--network={{ matrix_docker_network }} \
-			-v {{ matrix_mautrix_gmessages_config_path }}:/config:z \
-			-v {{ matrix_mautrix_gmessages_data_path }}:/data:z \
+			--network={{ matrix_mautrix_gmessages_container_network }} \
+			--mount type=bind,src={{ matrix_mautrix_gmessages_config_path }},dst=/config \
+			--mount type=bind,src={{ matrix_mautrix_gmessages_data_path }},dst=/data \
+			--label-file={{ matrix_mautrix_gmessages_base_path }}/labels \
 			--workdir=/data \
 			{% for arg in matrix_mautrix_gmessages_container_extra_arguments %}
 			{{ arg }} \
@@ -33,6 +36,12 @@ ExecStart={{ devture_systemd_docker_base_host_command_docker }} run --rm --name
 			{{ matrix_mautrix_gmessages_docker_image }} \
 			/usr/bin/mautrix-gmessages -c /config/config.yaml -r /config/registration.yaml
 
+{% for network in matrix_mautrix_gmessages_container_additional_networks %}
+ExecStartPre={{ devture_systemd_docker_base_host_command_docker }} network connect {{ network }} matrix-mautrix-gmessages
+{% endfor %}
+
+ExecStart={{ devture_systemd_docker_base_host_command_docker }} start --attach matrix-mautrix-gmessages
+
 ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} stop --time={{ devture_systemd_docker_base_container_stop_grace_time_seconds }} matrix-mautrix-gmessages 2>/dev/null || true'
 ExecStop=-{{ devture_systemd_docker_base_host_command_sh }} -c '{{ devture_systemd_docker_base_host_command_docker }} rm matrix-mautrix-gmessages 2>/dev/null || true'
 Restart=always