nixpkgs/nixos/modules/services/games/minecraft-server.nix

74 lines
1.8 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.minecraft-server;
in
{
options = {
services.minecraft-server = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
If enabled, start a Minecraft Server. The listening port for
the server is always <literal>25565</literal>. The server
data will be loaded from and saved to
<literal>${cfg.dataDir}</literal>.
'';
};
dataDir = mkOption {
type = types.path;
default = "/var/lib/minecraft";
description = ''
Directory to store minecraft database and other state/data files.
'';
};
openFirewall = mkOption {
type = types.bool;
default = false;
description = ''
Whether to open ports in the firewall (if enabled) for the server.
'';
};
jvmOpts = mkOption {
type = types.str;
default = "-Xmx2048M -Xms2048M";
description = "JVM options for the Minecraft Service.";
};
};
};
config = mkIf cfg.enable {
users.extraUsers.minecraft = {
description = "Minecraft Server Service user";
home = cfg.dataDir;
createHome = true;
uid = config.ids.uids.minecraft;
};
systemd.services.minecraft-server = {
description = "Minecraft Server Service";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
serviceConfig.Restart = "always";
serviceConfig.User = "minecraft";
script = ''
cd ${cfg.dataDir}
exec ${pkgs.minecraft-server}/bin/minecraft-server ${cfg.jvmOpts}
'';
};
networking.firewall = mkIf cfg.openFirewall {
allowedUDPPorts = [ 25565 ];
allowedTCPPorts = [ 25565 ];
};
};
}