Add matrix-appservice-discord bridge

Bridge is setup to work on the matrix side with this, but the discord invite link is not automatically generated.

roles/matrix-synapse/defaults/main.yml

@@ -1,4 +1,4 @@
-matrix_synapse_docker_image: "matrixdotorg/synapse:v0.99.2-py3"
+matrix_synapse_docker_image: "matrixdotorg/synapse:v0.99.1.1-py3"
 
 matrix_synapse_base_path: "{{ matrix_base_data_path }}/synapse"
 matrix_synapse_config_dir_path: "{{ matrix_synapse_base_path }}/config"
@@ -18,6 +18,9 @@ matrix_synapse_container_expose_federation_api_port: false
 # Controls whether the Appservice IRC container exposes the Client/Server API port (tcp/9999).
 matrix_appservice_irc_container_expose_client_server_api_port: false
 
+# Controls whether the Appservice Discord container exposes the Client/Server API port (tcp/9005).
+matrix_appservice_discord_container_expose_client_server_api_port: false
+
 # Controls whether the matrix-synapse container exposes the metrics port (tcp/9100).
 matrix_synapse_container_expose_metrics_port: false
 
@@ -641,3 +644,124 @@ matrix_appservice_irc_configuration_extension_yaml: |
 matrix_appservice_irc_configuration_extension: "{{ matrix_appservice_irc_configuration_extension_yaml|from_yaml if matrix_appservice_irc_configuration_extension_yaml|from_yaml else {} }}"
 
 matrix_appservice_irc_configuration: "{{ matrix_appservice_irc_configuration_yaml|from_yaml|combine(matrix_appservice_irc_configuration_extension, recursive=True) }}"
+
+
+# Matrix Appservice Discord is a Matrix <-> Discord bridge
+# Enable Discord bridge
+matrix_appservice_discord_enabled: false
+
+matrix_appservice_discord_docker_image: "halfshot/matrix-appservice-discord:latest"
+
+matrix_appservice_discord_base_path: "{{ matrix_base_data_path }}/appservice-discord"
+
+matrix_appservice_discord_client_ID: "YOUR DISCORD APP CLIENT ID"
+matrix_appservice_discord_bot_token: "YOUR DISCORD APP BOT TOKEN"
+
+matrix_appservice_discord_configuration_yaml: |
+    bridge:
+        domain: "{{ matrix_domain }}"
+        homeserverUrl: "{{ matrix_homeserver_url }}"
+    auth:
+        clientID: "{{matrix_appservice_discord_client_ID}}"
+        botToken: "{{matrix_appservice_discord_bot_token}}"
+    database:
+        filename: "/data/discord.db"
+        userStorePath: "/data/user-store.db"
+        roomStorePath: "/data/room-store.db"    
+
+matrix_appservice_discord_configuration_extension_yaml: |
+    # This is a sample of the config file showing all avaliable options.
+    # Where possible we have documented what they do, and all values are the
+    # default values.
+    #
+    #bridge:
+    #  # Domain part of the bridge, e.g. matrix.org
+    #  domain: "localhost"
+    #  # This should be your publically facing URL because Discord may use it to
+    #  # fetch media from the media store.
+    #  homeserverUrl: "http://localhost:8008"
+    #  # Interval at which to process users in the 'presence queue'. If you have
+    #  # 5 users, one user will be processed every 500 milliseconds according to the
+    #  # value below. This has a minimum value of 250.
+    #  # WARNING: This has a high chance of spamming the homeserver with presence
+    #  # updates since it will send one each time somebody changes state or is online.
+    #  presenceInterval: 500
+    #  # Disable setting presence for 'ghost users' which means Discord users on Matrix
+    #  # will not be shown as away or online.
+    #  disablePresence: false
+    #  # Disable sending typing notifications when somebody on Discord types.
+    #  disableTypingNotifications: false
+    #  # Disable deleting messages on Discord if a message is redacted on Matrix.
+    #  disableDeletionForwarding: false
+    #  # Enable users to bridge rooms using !discord commands. See
+    #  # https://t2bot.io/discord for instructions.
+    #  enableSelfServiceBridging: false
+    #  # Disable sending of read receipts for Matrix events which have been
+    #  # successfully bridged to Discord.
+    #  disableReadReceipts: false
+    # Authentication configuration for the discord bot.
+    #auth:
+    #  clientID: "12345"
+    #  botToken: "foobar"
+    #logging:
+    #  # What level should the logger output to the console at.
+    #  console: "warn" #silly, verbose, info, http, warn, error, silent
+    #  lineDateFormat: "MMM-D HH:mm:ss.SSS" # This is in moment.js format
+    #  files:
+    #    - file: "debug.log"
+    #      disable:
+    #        - "PresenceHandler" # Will not capture presence logging
+    #    - file: "warn.log" # Will capture warnings
+    #      level: "warn"
+    #    - file: "botlogs.log" # Will capture logs from DiscordBot
+    #      level: "info"
+    #      enable:
+    #        - "DiscordBot"
+    #database:
+    #  userStorePath: "user-store.db"
+    #  roomStorePath: "room-store.db"
+    #  # You may either use SQLite or Postgresql for the bridge database, which contains
+    #  # important mappings for events and user puppeting configurations.
+    #  # Use the filename option for SQLite, or connString for Postgresql.
+    #  # If you are migrating, see https://github.com/Half-Shot/matrix-appservice-discord/blob/master/docs/howto.md#migrate-to-postgres-from-sqlite
+    #  # WARNING: You will almost certainly be fine with sqlite unless your bridge
+    #  # is in heavy demand and you suffer from IO slowness.
+    #  filename: "discord.db"
+    #  # connString: "postgresql://user:password@localhost/database_name"
+    #room:
+    #  # Set the default visibility of alias rooms, defaults to "public".
+    #  # One of: "public", "private"
+    #  defaultVisibility: "public"
+    #channel:
+    #    # Pattern of the name given to bridged rooms.
+    #    # Can use :guild for the guild name and :name for the channel name.
+    #    namePattern: "[Discord] :guild :name"
+    #    # Changes made to rooms when a channel is deleted.
+    #    deleteOptions:
+    #       # Prefix the room name with a string.
+    #       #namePrefix: "[Deleted]"
+    #       # Prefix the room topic with a string.
+    #       #topicPrefix: "This room has been deleted"
+    #       # Disable people from talking in the room by raising the event PL to 50
+    #       disableMessaging: false
+    #       # Remove the discord alias from the room.
+    #       unsetRoomAlias: true
+    #       # Remove the room from the directory.
+    #       unlistFromDirectory: true
+    #       # Set the room to be unavaliable for joining without an invite.
+    #       setInviteOnly: true
+    #       # Make all the discord users leave the room.
+    #       ghostsLeave: true
+    #limits:
+    #    # Delay in milliseconds between discord users joining a room.
+    #    roomGhostJoinDelay: 6000
+    #    # Delay in milliseconds before sending messages to discord to avoid echos.
+    #    # (Copies of a sent message may arrive from discord before we've
+    #    # fininished handling it, causing us to echo it back to the room)
+    #    discordSendDelay: 750
+ 
+matrix_appservice_discord_configuration_extension: "{{ matrix_appservice_irc_configuration_extension_yaml|from_yaml if matrix_appservice_irc_configuration_extension_yaml|from_yaml else {} }}"
+
+matrix_appservice_discord_configuration: "{{ matrix_appservice_discord_configuration_yaml|from_yaml|combine(matrix_appservice_discord_configuration_extension, recursive=True) }}"
+
+

roles/matrix-synapse/tasks/ext/appservice-discord/init.yml

@@ -0,0 +1,3 @@
+- set_fact:
+    matrix_systemd_services_list: "{{ matrix_systemd_services_list + ['matrix-appservice-discord'] }}"
+  when: matrix_appservice_discord_enabled

roles/matrix-synapse/tasks/ext/appservice-discord/setup.yml

@@ -0,0 +1,65 @@
+---
+- name: Ensure Appservice Discord image is pulled
+  docker_image:
+        name: "{{ matrix_appservice_discord_docker_image }}"
+  when: "matrix_appservice_discord_enabled"
+
+- name: Ensure Appservice Discord configuration path exists
+  file:
+    path: "{{ matrix_appservice_discord_base_path }}"
+    state: directory
+    mode: 0750
+    owner: "{{ matrix_user_username }}"
+    group: "{{ matrix_user_username }}"
+  when: "matrix_appservice_discord_enabled"
+
+- name: Ensure Matrix Appservice Discord config installed
+  copy:
+    content: "{{ matrix_appservice_discord_configuration|to_nice_yaml }}"
+    dest: "{{ matrix_appservice_discord_base_path }}/config.yaml"
+    mode: 0644
+    owner: "{{ matrix_user_username }}"
+    group: "{{ matrix_user_username }}"
+  when: "matrix_appservice_discord_enabled"
+
+- name: Ensure matrix-appservice-discord.service installed
+  template:
+    src: "{{ role_path }}/templates/ext/appservice-discord/systemd/matrix-appservice-discord.service.j2"
+    dest: "/etc/systemd/system/matrix-appservice-discord.service"
+    mode: 0644
+  when: "matrix_appservice_discord_enabled"
+
+- stat:
+    path: "{{ matrix_appservice_discord_base_path }}/discord-registration.yaml"
+  register: appservice_discord_registration_file
+
+- name: Generate matrix-appservice-discord discord-registration.yaml if it doesn't exist
+  shell: /usr/bin/docker run --rm --name matrix-appservice-discord-gen -v {{ matrix_appservice_discord_base_path }}:/data:z {{ matrix_appservice_discord_docker_image }} node build/src/discordas.js -r -u "http://matrix-appservice-discord:9005" -c /data/config.yaml -f /data/discord-registration.yaml -l discord_bot
+  when: "matrix_appservice_discord_enabled and appservice_discord_registration_file.stat.exists == False"
+
+- set_fact:
+    matrix_synapse_app_service_config_file_appservice_discord: '{{ matrix_appservice_discord_base_path }}/discord-registration.yml'
+
+- set_fact:
+    matrix_synapse_container_additional_volumes: >
+      {{ matrix_synapse_container_additional_volumes }}
+      +
+      {{ [{'src': '{{ matrix_appservice_discord_base_path }}/discord-registration.yaml', 'dst': '{{ matrix_synapse_app_service_config_file_appservice_discord }}', 'options': 'ro'}] }}
+  when: "matrix_appservice_discord_enabled"
+
+- set_fact:
+    matrix_synapse_app_service_config_files: >
+      {{ matrix_synapse_app_service_config_files }}
+      +
+      {{ ["{{ matrix_synapse_app_service_config_file_appservice_discord }}"] | to_nice_json  }}
+  when: "matrix_appservice_discord_enabled"
+
+#
+# Tasks related to getting rid of matrix-appservice-discord (if it was previously enabled)
+#
+
+- name: Ensure matrix-appservice-discord.service doesn't exist
+  file:
+    path: "/etc/systemd/system/matrix-appservice-discord.service"
+    state: absent
+  when: "not matrix_appservice_discord_enabled"

roles/matrix-synapse/tasks/ext/init.yml

@@ -5,3 +5,5 @@
 - import_tasks: "{{ role_path }}/tasks/ext/mautrix-whatsapp/init.yml"
 
 - import_tasks: "{{ role_path }}/tasks/ext/appservice-irc/init.yml"
+
+- import_tasks: "{{ role_path }}/tasks/ext/appservice-discord/init.yml"

roles/matrix-synapse/tasks/ext/setup.yml

@@ -11,3 +11,5 @@
 - import_tasks: "{{ role_path }}/tasks/ext/mautrix-whatsapp/setup.yml"
 
 - import_tasks: "{{ role_path }}/tasks/ext/appservice-irc/setup.yml"
+
+- import_tasks: "{{ role_path }}/tasks/ext/appservice-discord/setup.yml"

roles/matrix-synapse/templates/ext/appservice-discord/systemd/matrix-appservice-discord.service.j2

@@ -0,0 +1,29 @@
+[Unit]
+Description=Matrix Appservice Discord server
+After=docker.service
+Requires=docker.service
+Requires=matrix-synapse.service
+After=matrix-synapse.service
+
+[Service]
+Type=simple
+ExecStartPre=-/usr/bin/docker kill matrix-appservice-discord
+ExecStartPre=-/usr/bin/docker rm matrix-appservice-discord
+ExecStart=/usr/bin/docker run --rm --name matrix-appservice-discord \
+			--log-driver=none \
+			-e "UID={{ matrix_user_uid }}" -e "GID={{ matrix_user_gid }}" \
+			--network={{ matrix_docker_network }} \
+			{% if matrix_appservice_discord_container_expose_client_server_api_port %}
+			-p 127.0.0.1:9005:9005 \
+			{% endif %}
+			-v {{ matrix_appservice_discord_base_path }}:/data \
+			{{ matrix_appservice_discord_docker_image }}
+			
+			
+ExecStop=-/usr/bin/docker kill matrix-appservice-discord
+ExecStop=-/usr/bin/docker rm matrix-appservice-discord
+Restart=always
+RestartSec=30
+
+ [Install]
+WantedBy=multi-user.target