more microvm rice

nixos/htz/vms/default.nix

@@ -0,0 +1,30 @@
+{ lib, pkgs, addressList, ... }:
+let genVMConfig = { name, config ? {}, ro-store ? true }: {
+  restartIfChanged = true;
+  pkgs = pkgs;
+  config = config // {
+    microvm = {
+      shares = lib.mkIf (ro-store == true) [{
+        source = "/nix/store";
+        mountPoint = "/nix/.ro-store";
+        tag = "ro-store";
+        proto = "virtiofs";
+      }];
+      interfaces = [
+        {
+          type = "tap";
+          id = name;
+          mac = addressList.${name}.mac;
+        }
+      ];
+    };
+  } // import ./vmDefaults.nix { inherit name addressList; };
+};
+in {
+  microvm.vms = {
+    vm-test = genVMConfig {
+      name = "vm-test";
+      config = import ./vm-test.nix { inherit pkgs addressList; };
+    };
+  };
+}