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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.minecraft-bedrock-server;
cfgToString = v: if builtins.isBool v then boolToString v else toString v;
allowListFile = pkgs.writeText "allowlist.json" (builtins.toJSON cfg.allowList);
permissionsFile = pkgs.writeText "permissions.json" (builtins.toJSON cfg.permissions);
serverPropertiesFile = pkgs.writeText "server.properties" (''
# server.properties managed by NixOS configuration
'' + concatStringsSep "\n" (mapAttrsToList
(n: v: "${n}=${cfgToString v}") cfg.settings));
in {
options = {
services.minecraft-bedrock-server = {
enable = mkOption {
type = types.bool;
default = false;
};
dataDir = mkOption {
type = types.path;
default = "/var/lib/minecraft-bedrock";
};
allowList = mkOption {
type = with types; listOf (attrs);
default = [];
};
permissions = mkOption {
type = with types; listOf (attrs);
default = [];
};
settings = mkOption {
type = with types; attrsOf (oneOf [ bool int str ]);
};
package = mkOption {
type = types.package;
default = pkgs.minecraft-bedrock-server;
};
};
};
config = mkIf cfg.enable {
services.minecraft-bedrock-server.settings = {
server-name = lib.mkDefault "Bedrock Server";
gamemode = lib.mkDefault "survival";
difficulty = lib.mkDefault "easy";
allow-list = lib.mkDefault false;
allow-cheats = lib.mkDefault false;
max-players = lib.mkDefault 10;
online-mode = lib.mkDefault false;
server-port = lib.mkDefault 19132;
server-portv6 = lib.mkDefault 19133;
view-distance = lib.mkDefault 32;
tick-distance = lib.mkDefault 4;
player-idle-timeout = lib.mkDefault 30;
max-threads = lib.mkDefault 4;
level-name = lib.mkDefault "Bedrock level";
level-seed = lib.mkDefault "";
default-player-permission-level = lib.mkDefault "member";
texturepack-required = lib.mkDefault false;
content-log-file-enabled = lib.mkDefault false;
compression-threshold = lib.mkDefault 1;
server-authoritative-movement = lib.mkDefault "server-auth";
correct-player-movement = lib.mkDefault false;
};
users.groups.minecraft = {};
users.users.minecraft = {
isSystemUser = true;
home = cfg.dataDir;
createHome = true;
group = "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
cp -f ${permissionsFile} permissions.json
cp -f ${allowListFile} allowlist.json
chmod +w server.properties
'';
};
};
}