WIP: feat: Add minecraft server

configuration/default.nix

@@ -22,6 +22,7 @@
     ./services/foundryvtt.nix
     ./services/gitea.nix
     ./services/metrics
+    ./services/minecraft.nix
     ./services/nextcloud.nix
     ./services/webserver.nix
     ./services/wireguard.nix
@@ -70,8 +71,6 @@
         8448
         # starbound
         21025
-        # Minecraft
-        25565
 
         config.services.coturn.listening-port
         config.services.coturn.tls-listening-port
@@ -80,9 +79,6 @@
       ];
 
       allowedUDPPorts = [
-        # More minecraft
-        25565
-
         config.services.coturn.listening-port
         config.services.coturn.tls-listening-port
         config.services.coturn.alt-listening-port

configuration/services/metrics/victorialogs.nix

@@ -1,37 +1,26 @@
 {
   config,
-  pkgs,
   lib,
   ...
 }:
 let
   cfg = config.services.victorialogs;
-  pkg = pkgs.victoriametrics;
-  dirname = "victorialogs";
 in
 {
-  options.services.victorialogs =
-    let
-      inherit (lib.types) str;
-    in
-    {
-      listenAddress = lib.mkOption {
-        default = ":9428";
-        type = str;
-      };
-
-      bindAddress = lib.mkOption {
-        readOnly = true;
-        type = str;
-        description = ''
-          Final address on which victorialogs listens.
-        '';
-      };
-    };
+  options.services.victorialogs.bindAddress = lib.mkOption {
+    readOnly = true;
+    type = lib.types.str;
+    description = ''
+      Final address on which victorialogs listens.
+    '';
+  };
 
   config = {
-    services.victorialogs.bindAddress =
-      (lib.optionalString (lib.hasPrefix ":" cfg.listenAddress) "127.0.0.1") + cfg.listenAddress;
+    services.victorialogs = {
+      enable = true;
+      bindAddress =
+        (lib.optionalString (lib.hasPrefix ":" cfg.listenAddress) "127.0.0.1") + cfg.listenAddress;
+    };
 
     services.journald.upload = {
       enable = true;
@@ -40,71 +29,6 @@ in
         NetworkTimeoutSec = "20s";
       };
     };
-
     systemd.services."systemd-journal-upload".after = [ "victorialogs.service" ];
-
-    systemd.services.victorialogs = {
-      description = "VictoriaLogs log database";
-      wantedBy = [ "multi-user.target" ];
-      after = [ "network.target" ];
-      startLimitBurst = 5;
-
-      serviceConfig = {
-        ExecStart = lib.escapeShellArgs [
-          "${pkg}/bin/victoria-logs"
-          "-storageDataPath=/var/lib/${dirname}"
-          "-httpListenAddr=${cfg.listenAddress}"
-        ];
-
-        DynamicUser = true;
-        RestartSec = 1;
-        Restart = "on-failure";
-        RuntimeDirectory = dirname;
-        RuntimeDirectoryMode = "0700";
-        StateDirectory = dirname;
-        StateDirectoryMode = "0700";
-
-        LimitNOFILE = 1048576;
-
-        # Hardening
-        DeviceAllow = [ "/dev/null rw" ];
-        DevicePolicy = "strict";
-        LockPersonality = true;
-        MemoryDenyWriteExecute = true;
-        NoNewPrivileges = true;
-        PrivateDevices = true;
-        PrivateTmp = true;
-        PrivateUsers = true;
-        ProtectClock = true;
-        ProtectControlGroups = true;
-        ProtectHome = true;
-        ProtectHostname = true;
-        ProtectKernelLogs = true;
-        ProtectKernelModules = true;
-        ProtectKernelTunables = true;
-        ProtectProc = "invisible";
-        ProtectSystem = "full";
-        RemoveIPC = true;
-        RestrictAddressFamilies = [
-          "AF_INET"
-          "AF_INET6"
-          "AF_UNIX"
-        ];
-        RestrictNamespaces = true;
-        RestrictRealtime = true;
-        RestrictSUIDSGID = true;
-        SystemCallArchitectures = "native";
-        SystemCallFilter = [
-          "@system-service"
-          "~@privileged"
-        ];
-      };
-
-      postStart = lib.mkBefore ''
-        until ${lib.getBin pkgs.curl}/bin/curl -s -o /dev/null http://${cfg.bindAddress}/ping; do
-          sleep 1;
-        done
-      '';
-    };
   };
 }

configuration/services/minecraft.nix

@@ -0,0 +1,83 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}:
+{
+  services.minecraft-server = {
+    enable = true;
+    eula = true;
+    # jvmOpts are set using a file for forge
+    # jvmOpts = "-Xmx8G -Xms8G";
+    openFirewall = true;
+
+    declarative = true;
+
+    whitelist = {
+      tlater = "140d177a-966f-41b8-a4c0-e305babd291b";
+      romino25 = "59cd1648-14a4-4bcf-8f5a-2e1bde678f2c";
+      lasi25 = "0ab6e3d1-544a-47e7-8538-2e6c248e49a4";
+    };
+
+    serverProperties = {
+      allow-flight = true;
+      difficulty = "hard";
+      motd = "tlater.net";
+      spawn-protection = 1;
+      white-list = true;
+      enable-query = true;
+      enable-status = true;
+
+      # Allows the server to write chunks without hogging the main
+      # thread...
+      sync-chunk-writes = false;
+      # Disables chat reporting, because we don't need any of that
+      # drama on a lil' friends-only server.
+      enforce-secure-profile = false;
+    };
+
+    package = pkgs.writeShellApplication {
+      name = "minecraft-server";
+      runtimeInputs = with pkgs; [ jdk17_headless ];
+
+      text = ''
+        exec /var/lib/minecraft/run.sh $@
+      '';
+    };
+  };
+
+  systemd.services.minecraft-server = {
+    path = with pkgs; [ jdk17_headless ];
+
+    # Since we read from our own HTTP server, we need to wait for it
+    # to be up
+    after = [ "nginx.service" ];
+
+    serviceConfig = {
+      # Use packwiz to install mods
+      ExecStartPre = [
+        "${pkgs.jdk17_headless}/bin/java -jar ${config.services.minecraft-server.dataDir}/packwiz-installer-bootstrap.jar -g -s server 'https://minecraft.${config.services.nginx.domain}/cobblemon-pack/pack.toml'"
+      ];
+      # Forge requires some bonus JVM options, which they include in a
+      # little `run.sh` script
+      ExecStart = lib.mkForce "${config.services.minecraft-server.dataDir}/run.sh --nogui";
+    };
+  };
+
+  systemd.tmpfiles.settings."10-minecraft" = {
+    "/srv/minecraft".d = {
+      user = "nginx";
+      group = "minecraft";
+      mode = "0775";
+    };
+  };
+
+  services.nginx.virtualHosts."minecraft.${config.services.nginx.domain}" = {
+    forceSSL = true;
+    useACMEHost = "tlater.net";
+    enableHSTS = true;
+
+    root = "/srv/minecraft";
+  };
+}