101 lines
3.2 KiB
Nix
101 lines
3.2 KiB
Nix
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{ config, pkgs, lib, ... }:
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with lib;
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let
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dataDir = "/var/lib/tedicross";
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cfg = config.services.tedicross;
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configJSON = pkgs.writeText "tedicross-settings.json" (builtins.toJSON cfg.config);
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configYAML = pkgs.runCommand "tedicross-settings.yaml" { preferLocalBuild = true; } ''
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${pkgs.remarshal}/bin/json2yaml -i ${configJSON} -o $out
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'';
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in {
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options = {
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services.tedicross = {
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enable = mkEnableOption "the TediCross Telegram-Discord bridge service";
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config = mkOption {
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type = types.attrs;
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# from https://github.com/TediCross/TediCross/blob/master/example.settings.yaml
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example = literalExample ''
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{
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telegram = {
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useFirstNameInsteadOfUsername = false;
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colonAfterSenderName = false;
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skipOldMessages = true;
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sendEmojiWithStickers = true;
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};
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discord = {
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useNickname = false;
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skipOldMessages = true;
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displayTelegramReplies = "embed";
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replyLength = 100;
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};
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bridges = [
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{
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name = "Default bridge";
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direction = "both";
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telegram = {
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chatId = -123456789;
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relayJoinMessages = true;
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relayLeaveMessages = true;
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sendUsernames = true;
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ignoreCommands = true;
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};
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discord = {
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serverId = "DISCORD_SERVER_ID";
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channelId = "DISCORD_CHANNEL_ID";
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relayJoinMessages = true;
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relayLeaveMessages = true;
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sendUsernames = true;
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crossDeleteOnTelegram = true;
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};
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}
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];
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debug = false;
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}
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'';
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description = ''
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<filename>settings.yaml</filename> configuration as a Nix attribute set.
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Secret tokens should be specified using <option>environmentFile</option>
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instead of this world-readable file.
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'';
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};
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environmentFile = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = ''
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File containing environment variables to be passed to the TediCross service,
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in which secret tokens can be specified securely using the
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<literal>TELEGRAM_BOT_TOKEN</literal> and <literal>DISCORD_BOT_TOKEN</literal>
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keys.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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# from https://github.com/TediCross/TediCross/blob/master/guides/autostart/Linux.md
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systemd.services.tedicross = {
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description = "TediCross Telegram-Discord bridge service";
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wantedBy = [ "multi-user.target" ];
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wants = [ "network-online.target" ];
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after = [ "network-online.target" ];
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serviceConfig = {
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Type = "simple";
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ExecStart = "${pkgs.nodePackages.tedicross}/bin/tedicross --config='${configYAML}' --data-dir='${dataDir}'";
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Restart = "always";
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DynamicUser = true;
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StateDirectory = baseNameOf dataDir;
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EnvironmentFile = cfg.environmentFile;
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};
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};
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};
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meta.maintainers = with maintainers; [ pacien ];
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}
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