Update

lib/default.nix

@@ -30,6 +30,38 @@
     modules = [ ../home-manager/${type}.nix ];
   };
 
+  # Helper function for generating container configs
+  mkContainer = { 
+    container, 
+    username  ? "albert",
+    desktop   ? null, 
+    gpu       ? null, 
+    system    ? "x86_64-linux", 
+    theme     ? "stylix",
+    type      ? "default",
+    repo      ? "nixpkgs",
+    unfree    ? false
+  }: { 
+    autoStart = true;
+    privateNetwork = false;
+    specialArgs = { inherit desktop container username stateVersion gpu system theme; };
+    config = { lib, container, username, desktop, gpu, system, theme, type, repo, unfree, pkgs, stateVersion}: {
+      # Choose whether to pull from stable or unstable 
+      pkgs = import inputs.${repo} {
+        inherit system; 
+        config.allowUnfree = unfree; 
+        hostPlatform = system;
+      };
+      # Some packages (ie, Vintage Story) I want to keep on unstable no matter what default repo I use
+      pkgs-unstable = import inputs.nixpkgs-unstable { 
+        inherit system; 
+        config.allowUnfree = unfree; 
+        hostPlatform = system;
+      };
+      imports = [ ../nixos/containers/rdesktop ];
+    };
+  };
+
   # Helper function for generating host configs
   mkHost = { 
     hostname, 
@@ -42,7 +74,7 @@
     repo      ? "nixpkgs",
     unfree    ? false
   }:inputs.${repo}.lib.nixosSystem { 
-    specialArgs = { inherit inputs outputs desktop hostname username stateVersion gpu system theme;
+    specialArgs = { inherit inputs outputs desktop hostname username hmStateVersion stateVersion gpu system theme self;
       # Choose whether to pull from stable or unstable 
       pkgs = import inputs.${repo} {
         inherit system; 

nixos/containers/rdesktop.nix

@@ -1,30 +0,0 @@
-{ username, stateVersion, desktop, ... }: {
-  networking.firewall.allowedTCPPorts = [ 3390 ];
-
-  containers.rdesktop = {
-    autoStart = true;
-    privateNetwork = false;
-    specialArgs = { inherit username stateVersion desktop; };
-    config = { config, pkgs, lib, username, stateVersion, desktop, ... }: {
-      networking.hostName = "nixos-rdesktop";
-      system.stateVersion = stateVersion;
-
-      imports = [
-        ../common/desktops/${desktop}
-        ../users/${username}
-      ];
-
-      networking.firewall = {
-        enable = true;
-        allowedTCPPorts = [ 3390 ];
-      };  
-
-      services.xrdp = {
-        enable = true;
-        openFirewall = true;
-        port = 3390;
-        defaultWindowManager = "xfce4-session";
-      };
-    };
-  };
-}

nixos/containers/rdesktop/default.nix

@@ -0,0 +1,18 @@
+{ username, stateVersion, desktop, ... }: {
+  imports = [
+    ../../common/desktops/${desktop}
+    ../../users/${username}
+  ];
+
+  networking.firewall = {
+    enable = true;
+    allowedTCPPorts = [ 3390 ];
+  };  
+
+  services.xrdp = {
+    enable = true;
+    openFirewall = true;
+    port = 3390;
+    defaultWindowManager = "xfce4-session";
+  };
+}

nixos/hosts/framework-server/containers.nix

@@ -0,0 +1,8 @@
+{ self, inputs, outputs, username, stateVersion, hmStateVersion, config, lib, pkgs, modulesPath, system, ... }:
+let 
+  libx = import ../../../lib {inherit self inputs outputs stateVersion hmStateVersion; };
+in {
+  containers = {
+    rdesktop = libx.mkContainer { container = "rdesktop"; };
+  };
+}

nixos/hosts/framework-server/default.nix

@@ -1,4 +1,4 @@
-{ username, stateVersion, inputs, config, lib, pkgs, modulesPath, system, ... }: {
+{ self, inputs, outputs, username, stateVersion, hmStateVersion, config, lib, pkgs, modulesPath, system, ... }: {
   imports = [ 
     inputs.nixos-hardware.nixosModules.framework-13th-gen-intel
     (modulesPath + "/installer/scan/not-detected.nix")
@@ -8,7 +8,7 @@
     ../../common/modules/ssh-luks.nix
     ../../common/services/docker.nix
     ../../common/services/tailscale-autoconnect.nix
-    ( import ../../containers/rdesktop.nix { desktop = "xfce"; stateVersion = stateVersion; username = username;} )
+    ./containers.nix
     ./disks.nix
     ./builder.nix
     ./wireguard.nix