feat(nixos): add Satisfactory Dedicated Server module

2025-08-26 23:39:56 +05:30
parent 40bdd383a0
commit 429cbb2178
6 changed files with 114 additions and 3 deletions
--- a/modules/nixos/satisfactory.nix
+++ b/modules/nixos/satisfactory.nix
@@ -0,0 +1,96 @@
+{config, pkgs, lib, ...}:
+let
+  cfg = config.services.satisfactory;
+in
+{
+  options.services.satisfactory = {
+    enable = lib.mkEnableOption "Enable Satisfactory Dedicated Server";
+
+    beta = lib.mkOption {
+      type = lib.types.enum [ "public" "experimental" ];
+      default = "public";
+      description = "Beta channel to follow";
+    };
+
+    address = lib.mkOption {
+      type = lib.types.str;
+      default = "0.0.0.0";
+      description = "Bind address";
+    };
+
+    maxPlayers = lib.mkOption {
+      type = lib.types.number;
+      default = 4;
+      description = "Number of players";
+    };
+
+    autoPause = lib.mkOption {
+      type = lib.types.bool;
+      default = true;
+      description = "Auto pause when no players are online";
+    };
+
+    autoSaveOnDisconnect = lib.mkOption {
+      type = lib.types.bool;
+      default = true;
+      description = "Auto save on player disconnect";
+    };
+
+    extraSteamCmdArgs = lib.mkOption {
+      type = lib.types.str;
+      default = "";
+      description = "Extra arguments passed to steamcmd command";
+    };
+  };
+  config = lib.mkIf cfg.enable {
+    users.users.satisfactory = {
+      home = "/var/lib/satisfactory";
+      createHome = true;
+      isSystemUser = true;
+      group = "satisfactory";
+    };
+    users.groups.satisfactory = {};
+
+    nixpkgs.config.allowUnfree = true;
+
+    networking = {
+      firewall = {
+        allowedUDPPorts = [ 15777 15000 7777 27015 ];
+        allowedUDPPortRanges = [ { from = 27031; to = 27036; } ];
+        allowedTCPPorts = [ 27015 27036 ];
+      };
+    };
+
+    systemd.services.satisfactory = {
+      wantedBy = [ "multi-user.target" ];
+      preStart = ''
+        ${pkgs.steamcmd}/bin/steamcmd \
+          +force_install_dir /var/lib/satisfactory/SatisfactoryDedicatedServer \
+          +login anonymous \
+          +app_update 1690800 \
+          -beta ${cfg.beta} \
+          ${cfg.extraSteamCmdArgs} \
+          validate \
+          +quit
+        ${pkgs.patchelf}/bin/patchelf --set-interpreter ${pkgs.glibc}/lib/ld-linux-x86-64.so.2 /var/lib/satisfactory/SatisfactoryDedicatedServer/Engine/Binaries/Linux/UnrealServer-Linux-Shipping
+        ln -sfv /var/lib/satisfactory/.steam/steam/linux64 /var/lib/satisfactory/.steam/sdk64
+        mkdir -p /var/lib/satisfactory/SatisfactoryDedicatedServer/FactoryGame/Saved/Config/LinuxServer
+        ${pkgs.crudini}/bin/crudini --set /var/lib/satisfactory/SatisfactoryDedicatedServer/FactoryGame/Saved/Config/LinuxServer/Game.ini '/Script/Engine.GameSession' MaxPlayers ${toString cfg.maxPlayers}
+        ${pkgs.crudini}/bin/crudini --set /var/lib/satisfactory/SatisfactoryDedicatedServer/FactoryGame/Saved/Config/LinuxServer/ServerSettings.ini '/Script/FactoryGame.FGServerSubsystem' mAutoPause ${if cfg.autoPause then "True" else "False"}
+        ${pkgs.crudini}/bin/crudini --set /var/lib/satisfactory/SatisfactoryDedicatedServer/FactoryGame/Saved/Config/LinuxServer/ServerSettings.ini '/Script/FactoryGame.FGServerSubsystem' mAutoSaveOnDisconnect ${if cfg.autoSaveOnDisconnect then "True" else "False"}
+      '';
+      script = ''
+        /var/lib/satisfactory/SatisfactoryDedicatedServer/Engine/Binaries/Linux/UnrealServer-Linux-Shipping FactoryGame -multihome=${cfg.address}
+      '';
+      serviceConfig = {
+        Restart = "always";
+        User = "satisfactory";
+        Group = "satisfactory";
+        WorkingDirectory = "/var/lib/satisfactory";
+      };
+      environment = {
+        LD_LIBRARY_PATH="SatisfactoryDedicatedServer/linux64:SatisfactoryDedicatedServer/Engine/Binaries/Linux:SatisfactoryDedicatedServer/Engine/Binaries/ThirdParty/PhysX3/Linux/x86_64-unknown-linux-gnu";
+      };
+    };
+  };
+}