move the network config into a module

flake.nix

@@ -99,7 +99,8 @@
             ./modules/desktop
           ];
         nixos-test-vm = mkComputer
-          ./systems/proxmox-vm
+          (mkVM
+            { hostname = "nixos-test-vm"; ip = "10.7.89.235"; })
           ./home-manager/headless.nix
           [
             ./modules/code-server

systems/proxmox-vm/default.nix

@@ -1,5 +1,8 @@
 { hostname, ip, ... }:
 {
+  imports = [
+      (import ../../modules/mk-network { inherit hostname ip; })
+  ];
   boot.initrd.availableKernelModules = [
     "ata_piix"
     "uhci_hcd"
@@ -21,22 +24,6 @@
     fsType = "vfat";
   };
 
-  networking = {
-    hostName = hostname;
-    hosts = {
-      "127.0.0.1" = [ "${hostname}.2li.local" ];
-      ip = [ "${hostname}.2li.local" ];
-    };
-    defaultGateway = "10.7.89.1";
-    nameservers = [ "10.7.89.2" ];
-    interfaces.ens18.ipv4.addresses = [
-      {
-        address = ip;
-        prefixLength = 24;
-      }
-    ];
-  };
-
   swapDevices = [
     { device = "/dev/disk/by-label/swap"; }
   ];