Add missing wireguard-tools dependency

config/environments/openstack-vm/default.nix

@@ -1,7 +1,7 @@
-{ lib, ... }:
+{ lib, modulesPath, ... }:
 {
   imports = [
-    ./hardware-configuration.nix
+    "${modulesPath}/virtualisation/openstack-config.nix"
   ];
 
   users.users.root.initialPassword = lib.mkForce null;

config/environments/openstack-vm/hardware-configuration.nix

@@ -1,24 +0,0 @@
-{ ... }:
-{
-  fileSystems."/" = {
-    device = "/dev/disk/by-label/nixos";
-    fsType = "ext4";
-    autoResize = true;
-  };
-
-  boot = {
-    growPartition = true;
-    kernelParams = [ "console=tty1" ];
-    loader.grub = {
-      enable = true;
-      device = "/dev/vda";
-      extraConfig = ''
-        serial --unit=1 --speed=115200 --word=8 --parity=no --stop=1
-        terminal_output console serial
-        terminal_input console serial
-      '';
-    };
-  };
-
-  systemd.services."serial-getty@tty1".enable = true;
-}