122 lines
3.1 KiB
Nix
122 lines
3.1 KiB
Nix
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.syncthing.relay;
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dataDirectory = "/var/lib/syncthing-relay";
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relayOptions =
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[
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"--keys=${dataDirectory}"
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"--listen=${cfg.listenAddress}:${toString cfg.port}"
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"--status-srv=${cfg.statusListenAddress}:${toString cfg.statusPort}"
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"--provided-by=${escapeShellArg cfg.providedBy}"
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]
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++ optional (cfg.pools != null) "--pools=${escapeShellArg (concatStringsSep "," cfg.pools)}"
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++ optional (cfg.globalRateBps != null) "--global-rate=${toString cfg.globalRateBps}"
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++ optional (cfg.perSessionRateBps != null) "--per-session-rate=${toString cfg.perSessionRateBps}"
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++ cfg.extraOptions;
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in {
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###### interface
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options.services.syncthing.relay = {
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enable = mkEnableOption "Syncthing relay service";
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listenAddress = mkOption {
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type = types.str;
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default = "";
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example = "1.2.3.4";
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description = ''
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Address to listen on for relay traffic.
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'';
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};
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port = mkOption {
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type = types.port;
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default = 22067;
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description = ''
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Port to listen on for relay traffic. This port should be added to
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<literal>networking.firewall.allowedTCPPorts</literal>.
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'';
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};
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statusListenAddress = mkOption {
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type = types.str;
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default = "";
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example = "1.2.3.4";
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description = ''
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Address to listen on for serving the relay status API.
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'';
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};
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statusPort = mkOption {
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type = types.port;
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default = 22070;
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description = ''
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Port to listen on for serving the relay status API. This port should be
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added to <literal>networking.firewall.allowedTCPPorts</literal>.
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'';
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};
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pools = mkOption {
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type = types.nullOr (types.listOf types.str);
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default = null;
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description = ''
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Relay pools to join. If null, uses the default global pool.
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'';
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};
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providedBy = mkOption {
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type = types.str;
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default = "";
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description = ''
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Human-readable description of the provider of the relay (you).
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'';
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};
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globalRateBps = mkOption {
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type = types.nullOr types.ints.positive;
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default = null;
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description = ''
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Global bandwidth rate limit in bytes per second.
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'';
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};
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perSessionRateBps = mkOption {
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type = types.nullOr types.ints.positive;
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default = null;
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description = ''
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Per session bandwidth rate limit in bytes per second.
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'';
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};
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extraOptions = mkOption {
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type = types.listOf types.str;
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default = [];
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description = ''
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Extra command line arguments to pass to strelaysrv.
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'';
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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systemd.services.syncthing-relay = {
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description = "Syncthing relay service";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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serviceConfig = {
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DynamicUser = true;
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StateDirectory = baseNameOf dataDirectory;
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Restart = "on-failure";
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ExecStart = "${pkgs.syncthing-relay}/bin/strelaysrv ${concatStringsSep " " relayOptions}";
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};
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};
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};
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}
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