stonehenge: update config

hosts/stonehenge/vagrant.nix

@@ -0,0 +1,33 @@
+{ pkgs, ... }:
+let
+  vagrantScript = pkgs.writeScriptBin "vagrant-vnode-05" ''
+    #!${pkgs.bash}/bin/bash
+    set -euo pipefail
+
+    export PATH="${pkgs.lib.makeBinPath (with pkgs; [ vagrant curl openssh virtualbox ])}:$PATH"
+    export VNODE_NAME=vnode-05
+
+    cd /home/user/kubernetes-cluster/vnodes
+    exec ${pkgs.vagrant}/bin/vagrant up
+  '';
+in
+{
+  environment.systemPackages = with pkgs; [ vagrant curl openssh ];
+
+  users.users.user.extraGroups = [ "vboxusers" ];
+
+  systemd.services.vagrant-vnode-05 = {
+    description = "Vagrant vnode-05 service";
+    after = [ "network-online.target" ];
+    wants = [ "network-online.target" ];
+    serviceConfig = {
+      Type = "oneshot";
+      RemainAfterExit = true;
+      ExecStart = "${vagrantScript}/bin/vagrant-vnode-05";
+      User = "user";
+      WorkingDirectory = "/home/user/kubernetes-cluster/vnodes";
+      Environment = "PATH=${pkgs.lib.makeBinPath (with pkgs; [ vagrant curl openssh virtualbox ])}:$PATH";
+    };
+    wantedBy = [ "multi-user.target" ];
+  };
+}