nixpkgs/nixos/modules/services/networking/syncthing-relay.nix
2018-11-19 01:09:54 +01:00

122 lines
3.1 KiB
Nix

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