test: vaultwarden microVM

example/microvm/graphics.nix

@@ -0,0 +1,37 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  # TODO: did not get sommelier to work
+  # run-sommelier = with pkgs; writeShellScriptBin "run-sommelier" ''
+  #   exec ${lib.getExe sommelier} --virtgpu-channel -- $@
+  # '';
+  # Working: run Wayland applications prefixed with `run-wayland-proxy`
+  run-wayland-proxy =
+    with pkgs;
+    writeShellScriptBin "run-wayland-proxy" ''
+      exec ${lib.getExe wayland-proxy-virtwl} --virtio-gpu -- $@
+    '';
+  # Waypipe. Needs `microvm#waypipe-client` on the host.
+  run-waypipe =
+    with pkgs;
+    writeShellScriptBin "run-waypipe" ''
+      exec ${lib.getExe waypipe}/bin/waypipe --vsock -s 2:6000 server $@
+    '';
+in
+lib.mkIf config.microvm.graphics.enable {
+  boot.kernelModules = [
+    "drm"
+    "virtio_gpu"
+  ];
+
+  environment.systemPackages = [
+    #run-sommelier
+    run-wayland-proxy
+    run-waypipe
+  ];
+}