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Minecraft Bedrock Server NixOS module
{ config, lib, pkgs, ... }:
let
libCrypto = with pkgs; stdenv.mkDerivation rec {
name = "${pname}-${version}";
pname = "minecraft-bedrock-server-libcrypto";
version = "1.16-201.02";
src = fetchurl {
url = "https://minecraft.azureedge.net/bin-linux/bedrock-server-1.16.201.02.zip";
sha256 = "7213784b7d321044fee0ae89c781a3a3cd189dbfcb4911a959f11ee8a876b0cb";
};
sourceRoot = ".";
nativeBuildInputs = [
autoPatchelfHook
curl
gcc-unwrapped
openssl
unzip
];
installPhase = ''
install -m755 -D libCrypto.so $out/lib/libCrypto.so
'';
fixupPhase = ''
autoPatchelf $out/lib/libCrypto.so
'';
};
minecraft-bedrock-server = with pkgs; stdenv.mkDerivation rec {
name = "${pname}-${version}";
pname = "minecraft-bedrock-server";
version = "1.16-201.02";
src = fetchurl {
url = "https://minecraft.azureedge.net/bin-linux/bedrock-server-1.16.201.02.zip";
sha256 = "7213784b7d321044fee0ae89c781a3a3cd189dbfcb4911a959f11ee8a876b0cb";
};
sourceRoot = ".";
nativeBuildInputs = [
(patchelf.overrideDerivation(old: {
postPatch = ''
substituteInPlace src/patchelf.cc \
--replace "32 * 1024 * 1024" "512 * 1024 * 1024"
'';
}))
autoPatchelfHook
curl
gcc-unwrapped
libCrypto
openssl
unzip
];
installPhase = ''
install -m755 -D bedrock_server $out/bin/bedrock_server
rm bedrock_server
rm libCrypto.so
rm server.properties
mkdir -p $out/var
cp -a . $out/var/lib
'';
fixupPhase = ''
autoPatchelf $out/bin/bedrock_server
'';
};
in
with lib;
let
cfg = config.services.minecraft-bedrock-server;
cfgToString = v: if builtins.isBool v then boolToString v else toString v;
serverPropertiesFile = pkgs.writeText "server.properties" (''
# server.properties managed by NixOS configuration
'' + concatStringsSep "\n" (mapAttrsToList
(n: v: "${n}=${cfgToString v}") cfg.serverProperties));
defaultServerPort = 19132;
serverPort = cfg.serverProperties.server-port or defaultServerPort;
in {
options = {
services.minecraft-bedrock-server = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
If enabled, start a Minecraft Bedrock Server. The server
data will be loaded from and saved to
<option>services.minecraft-bedrock-server.dataDir</option>.
'';
};
dataDir = mkOption {
type = types.path;
default = "/var/lib/minecraft-bedrock";
description = ''
Directory to store Minecraft Bedrock database and other state/data files.
'';
};
serverProperties = mkOption {
type = with types; attrsOf (oneOf [ bool int str ]);
default = {
server-name = "Dedicated Server";
gamemode = "survival";
difficulty = "easy";
allow-cheats = false;
max-players = 10;
online-mode = false;
white-list = false;
server-port = 19132;
server-portv6 = 19133;
view-distance = 32;
tick-distance = 4;
player-idle-timeout = 30;
max-threads = 8;
level-name = "Bedrock level";
level-seed = "";
default-player-permission-level = "member";
texturepack-required = false;
content-log-file-enabled = false;
compression-threshold = 1;
server-authoritative-movement = "server-auth";
player-movement-score-threshold = 20;
player-movement-distance-threshold = 0.3;
player-movement-duration-threshold-in-ms = 500;
correct-player-movement = false;
};
example = literalExample ''
{
server-name = "Dedicated Server";
gamemode = "survival";
difficulty = "easy";
allow-cheats = false;
max-players = 10;
online-mode = false;
white-list = false;
server-port = 19132;
server-portv6 = 19133;
view-distance = 32;
tick-distance = 4;
player-idle-timeout = 30;
max-threads = 8;
level-name = "Bedrock level";
level-seed = "";
default-player-permission-level = "member";
texturepack-required = false;
content-log-file-enabled = false;
compression-threshold = 1;
server-authoritative-movement = "server-auth";
player-movement-score-threshold = 20;
player-movement-distance-threshold = 0.3;
player-movement-duration-threshold-in-ms = 500;
correct-player-movement = false;
}
'';
description = ''
Minecraft Bedrock server properties for the server.properties file.
'';
};
package = mkOption {
type = types.package;
default = minecraft-bedrock-server;
defaultText = "pkgs.minecraft-bedrock-server";
example = literalExample "pkgs.minecraft-bedrock-server-1_16";
description = "Version of minecraft-bedrock-server to run.";
};
};
};
config = mkIf cfg.enable {
users.users.minecraft = {
description = "Minecraft server service user";
home = cfg.dataDir;
createHome = true;
uid = config.ids.uids.minecraft;
};
systemd.services.minecraft-bedrock-server = {
description = "Minecraft Bedrock Server Service";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
serviceConfig = {
ExecStart = "${cfg.package}/bin/bedrock_server";
Restart = "always";
User = "minecraft";
WorkingDirectory = cfg.dataDir;
};
preStart = ''
cp -a -n ${cfg.package}/var/lib/* .
cp -f ${serverPropertiesFile} server.properties
chmod +w server.properties
'';
};
networking.firewall = {
allowedUDPPorts = [ serverPort ];
};
};
}
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