Files
dev/configs/nixos/modules/services/games/valheim.nix

90 lines
2.2 KiB
Nix

{
config,
lib,
pkgs,
...
}:
{
options.modules.services.games.valheim = {
enable = lib.mkEnableOption "Valheim dedicated server";
steamDir = lib.mkOption {
type = lib.types.str;
example = "/data/steamcmd";
description = "Directory where SteamCMD stores metadata and cache files.";
};
installDir = lib.mkOption {
type = lib.types.str;
example = "/data/servers/valheim/main";
description = "Directory where SteamCMD installs the Valheim server files.";
};
stateDir = lib.mkOption {
type = lib.types.str;
example = "/data/state/valheim/main";
description = "Directory where Valheim stores world data.";
};
serverName = lib.mkOption {
type = lib.types.str;
default = "valheim";
description = "Name shown for the Valheim server.";
};
port = lib.mkOption {
type = lib.types.port;
default = 2456;
description = "Base UDP port for the Valheim server.";
};
passwordFile = lib.mkOption {
type = lib.types.path;
description = "Runtime file containing the Valheim server password.";
};
};
config = lib.mkIf config.modules.services.games.valheim.enable (
let
service = config.modules.services.games.valheim;
startScript = pkgs.writeShellScript "valheim-start" ''
set -eu
password="$(${lib.getExe' pkgs.coreutils "tr"} -d '\n' < ${lib.escapeShellArg service.passwordFile})"
exec ./valheim_server.x86_64 "$@" -password "$password"
'';
in
{
modules.services.steamcmd = {
enable = true;
inherit (service) steamDir installDir stateDir;
serviceName = "valheim";
appId = 896660;
executable = "${startScript}";
arguments = [
"-nographics"
"-batchmode"
"-name"
service.serverName
"-port"
(toString service.port)
"-world"
service.serverName
"-savedir"
service.stateDir
"-public"
"0"
"-modifier"
"raids"
"none"
];
udpPorts = [
service.port
(service.port + 1)
];
};
}
);
}