initial commit

services/minecraft-server/default.nix

@@ -0,0 +1,7 @@
+{
+  imports = [
+    ./options.nix
+    ./firewall.nix
+    ./service.nix
+  ];
+}

services/minecraft-server/firewall.nix

@@ -0,0 +1,16 @@
+{
+  config,
+  lib,
+  ...
+}:
+let
+  inherit (config.machine.minecraft-server)
+    enable
+    port
+    ;
+in
+with lib; mkIf enable {
+  networking.firewall.allowedTCPPorts = [
+    port
+  ];
+}

services/minecraft-server/options.nix

@@ -0,0 +1,12 @@
+{ lib, ... }:
+with lib;
+{
+  options.machine.minecraft-server = {
+    enable = mkEnableOption "Minecraft Server";
+    port = mkOption {
+      type = types.port;
+      default = 25565;
+      description = "Listen port.";
+    };
+  };
+}

services/minecraft-server/service.nix

@@ -0,0 +1,46 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  inherit (config.machine.minecraft-server)
+    enable
+    port
+    ;
+in
+with lib; mkIf enable {
+  services.minecraft-server = {
+    inherit enable;
+    dataDir = "/var/lib/minecraft";
+    declarative = true;
+    eula = true;
+    jvmOpts = "-Xms2046M -Xmx2046M -XX:+UseZGC";
+    package = pkgs.papermcServers.papermc-1_21;
+    serverProperties = {
+      server-port = port;
+      query-port = port;
+      allow-flight = false;
+      broadcast-console-to-ops = false;
+      broadcast-rcon-to-ops = false;
+      difficulty = "hard";
+      enable-query = true;
+      enable-rcon = false;
+      enable-status = true;
+      enforce-whitelist = false;
+      force-gamemode = true;
+      gamemode = "survival";
+      log-ips = false;
+      max-players = 20;
+      max-tick-time = -1;
+      motd = "RuJect's Minecraft Server";
+      online-mode = false;
+      op-permission-level = 4;
+      simulation-distance = 16;
+      view-distance = 16;
+      spawn-protection = 0;
+      white-list = false;
+    };
+  };
+}