Add Nodens, a VM to install NixOS VMs

nixos/flake-module.nix

@@ -14,7 +14,13 @@
         importedConfig = import (./. + "/machines/${name}/configuration.nix");
         systemConfig =
           if lib.isFunction importedConfig
-          then x: importedConfig (x // {flake-inputs = inputs;})
+          then
+            x:
+              importedConfig (x
+                // {
+                  flake-inputs = inputs;
+                  inherit pkgs;
+                })
           else importedConfig;
       in
         pkgs.nixos {

nixos/machines/nodens/configuration.nix

@@ -0,0 +1,16 @@
+{pkgs, ...}: {
+  imports = [
+    ./hardware-configuration.nix
+    ../../roles
+    ../../roles/vm.nix
+    ../../modules/vmNetwork.nix
+  ];
+
+  # System configuration here
+
+  environment.systemPackages = [pkgs.git];
+
+  networking.hostName = "nodens";
+  vmNetwork.ipv4 = "192.168.0.18";
+  system.stateVersion = "24.11";
+}

nixos/machines/nodens/hardware-configuration.nix

@@ -0,0 +1,33 @@
+{
+  lib,
+  pkgs,
+  ...
+}: {
+  imports = [];
+
+  fileSystems."/" = {
+    device = "root";
+    fsType = "tmpfs";
+    options = ["size=1G" "mode=755"];
+  };
+  # Different than usual names in order to automount other VMs
+  fileSystems."/persist" = {
+    device = "/dev/disk/by-label/nixosNodens";
+    fsType = "btrfs";
+    options = ["subvol=persist"];
+    neededForBoot = true;
+  };
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-label/bootNodens";
+    fsType = "ext4";
+  };
+  fileSystems."/nix" = {
+    device = "/dev/disk/by-label/nixosNodens";
+    fsType = "btrfs";
+    options = ["subvol=nix"];
+  };
+
+  swapDevices = [{device = "/dev/disk/by-uuid/89e13a83-506a-43b4-b06a-09424500ceda";}];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}