From 523743157ab81af71f84f2f12c8a665b769e3b1d Mon Sep 17 00:00:00 2001 From: Notkea Date: Mon, 1 Jun 2020 10:43:38 +0200 Subject: matrix-appservice-discord: init at 0.5.2 (#62744) * matrix-appservice-discord: init at 0.5.2 * nixos/matrix-appservice-discord: add module --- .../services/misc/matrix-appservice-discord.nix | 162 +++++++++++++++++++++ 1 file changed, 162 insertions(+) create mode 100644 nixos/modules/services/misc/matrix-appservice-discord.nix (limited to 'nixos/modules/services/misc/matrix-appservice-discord.nix') diff --git a/nixos/modules/services/misc/matrix-appservice-discord.nix b/nixos/modules/services/misc/matrix-appservice-discord.nix new file mode 100644 index 00000000000..49c41ff637a --- /dev/null +++ b/nixos/modules/services/misc/matrix-appservice-discord.nix @@ -0,0 +1,162 @@ +{ config, pkgs, lib, ... }: + +with lib; + +let + dataDir = "/var/lib/matrix-appservice-discord"; + registrationFile = "${dataDir}/discord-registration.yaml"; + appDir = "${pkgs.matrix-appservice-discord}/lib/node_modules/matrix-appservice-discord"; + cfg = config.services.matrix-appservice-discord; + # TODO: switch to configGen.json once RFC42 is implemented + settingsFile = pkgs.writeText "matrix-appservice-discord-settings.json" (builtins.toJSON cfg.settings); + +in { + options = { + services.matrix-appservice-discord = { + enable = mkEnableOption "a bridge between Matrix and Discord"; + + settings = mkOption rec { + # TODO: switch to types.config.json as prescribed by RFC42 once it's implemented + type = types.attrs; + apply = recursiveUpdate default; + default = { + database = { + filename = "${dataDir}/discord.db"; + + # TODO: remove those old config keys once the following issues are solved: + # * https://github.com/Half-Shot/matrix-appservice-discord/issues/490 + # * https://github.com/Half-Shot/matrix-appservice-discord/issues/498 + userStorePath = "${dataDir}/user-store.db"; + roomStorePath = "${dataDir}/room-store.db"; + }; + + # empty values necessary for registration file generation + # actual values defined in environmentFile + auth = { + clientID = ""; + botToken = ""; + }; + }; + example = literalExample '' + { + bridge = { + domain = "public-domain.tld"; + homeserverUrl = "http://public-domain.tld:8008"; + }; + } + ''; + description = '' + config.yaml configuration as a Nix attribute set. + + + + Configuration options should match those described in + + config.sample.yaml. + + + + and + should be set to match the public host name of the Matrix homeserver for webhooks and avatars to work. + + + + Secret tokens should be specified using + instead of this world-readable attribute set. + ''; + }; + + environmentFile = mkOption { + type = types.nullOr types.path; + default = null; + description = '' + File containing environment variables to be passed to the matrix-appservice-discord service, + in which secret tokens can be specified securely by defining values for + APPSERVICE_DISCORD_AUTH_CLIENT_I_D and + APPSERVICE_DISCORD_AUTH_BOT_TOKEN. + ''; + }; + + url = mkOption { + type = types.str; + default = "http://localhost:${toString cfg.port}"; + description = '' + The URL where the application service is listening for HS requests. + ''; + }; + + port = mkOption { + type = types.port; + default = 9005; # from https://github.com/Half-Shot/matrix-appservice-discord/blob/master/package.json#L11 + description = '' + Port number on which the bridge should listen for internal communication with the Matrix homeserver. + ''; + }; + + localpart = mkOption { + type = with types; nullOr str; + default = null; + description = '' + The user_id localpart to assign to the AS. + ''; + }; + + serviceDependencies = mkOption { + type = with types; listOf str; + default = optional config.services.matrix-synapse.enable "matrix-synapse.service"; + description = '' + List of Systemd services to require and wait for when starting the application service, + such as the Matrix homeserver if it's running on the same host. + ''; + }; + }; + }; + + config = mkIf cfg.enable { + systemd.services.matrix-appservice-discord = { + description = "A bridge between Matrix and Discord."; + + wantedBy = [ "multi-user.target" ]; + wants = [ "network-online.target" ] ++ cfg.serviceDependencies; + after = [ "network-online.target" ] ++ cfg.serviceDependencies; + + preStart = '' + if [ ! -f '${registrationFile}' ]; then + ${pkgs.matrix-appservice-discord}/bin/matrix-appservice-discord \ + --generate-registration \ + --url=${escapeShellArg cfg.url} \ + ${optionalString (cfg.localpart != null) "--localpart=${escapeShellArg cfg.localpart}"} \ + --config='${settingsFile}' \ + --file='${registrationFile}' + fi + ''; + + serviceConfig = { + Type = "simple"; + Restart = "always"; + + ProtectSystem = "strict"; + ProtectHome = true; + ProtectKernelTunables = true; + ProtectKernelModules = true; + ProtectControlGroups = true; + + DynamicUser = true; + PrivateTmp = true; + WorkingDirectory = appDir; + StateDirectory = baseNameOf dataDir; + UMask = 0027; + EnvironmentFile = cfg.environmentFile; + + ExecStart = '' + ${pkgs.matrix-appservice-discord}/bin/matrix-appservice-discord \ + --file='${registrationFile}' \ + --config='${settingsFile}' \ + --port='${toString cfg.port}' + ''; + }; + }; + }; + + meta.maintainers = with maintainers; [ pacien ]; +} -- cgit 1.4.1