virtualisation: add vmware-image (#88474)

nixos/modules/module-list.nix

@@ -1005,6 +1005,7 @@
   ./virtualisation/virtualbox-guest.nix
   ./virtualisation/virtualbox-host.nix
   ./virtualisation/vmware-guest.nix
+  ./virtualisation/vmware-image.nix
   ./virtualisation/xen-dom0.nix
   ./virtualisation/xe-guest-utilities.nix
 ]

nixos/modules/virtualisation/vmware-image.nix

@@ -0,0 +1,90 @@
+{ config, pkgs, lib, ... }:
+
+with lib;
+
+let
+  boolToStr = value: if value then "on" else "off";
+  cfg = config.vmware;
+
+  subformats = [
+    "monolithicSparse"
+    "monolithicFlat"
+    "twoGbMaxExtentSparse"
+    "twoGbMaxExtentFlat"
+    "streamOptimized"
+  ];
+
+in {
+  options = {
+    vmware = {
+      baseImageSize = mkOption {
+        type = types.int;
+        default = 2048;
+        description = ''
+          The size of the VMWare base image in MiB.
+        '';
+      };
+      vmDerivationName = mkOption {
+        type = types.str;
+        default = "nixos-vmware-${config.system.nixos.label}-${pkgs.stdenv.hostPlatform.system}";
+        description = ''
+          The name of the derivation for the VMWare appliance.
+        '';
+      };
+      vmFileName = mkOption {
+        type = types.str;
+        default = "nixos-${config.system.nixos.label}-${pkgs.stdenv.hostPlatform.system}.vmdk";
+        description = ''
+          The file name of the VMWare appliance.
+        '';
+      };
+      vmSubformat = mkOption {
+        type = types.enum subformats;
+        default = "monolithicSparse";
+        description = "Specifies which VMDK subformat to use.";
+      };
+      vmCompat6 = mkOption {
+        type = types.bool;
+        default = false;
+        example = true;
+        description = "Create a VMDK version 6 image (instead of version 4).";
+      };
+    };
+  };
+
+  config = {
+    system.build.vmwareImage = import ../../lib/make-disk-image.nix {
+      name = cfg.vmDerivationName;
+      postVM = ''
+        ${pkgs.vmTools.qemu}/bin/qemu-img convert -f raw -o compat6=${boolToStr cfg.vmCompat6},subformat=${cfg.vmSubformat} -O vmdk $diskImage $out/${cfg.vmFileName}
+        rm $diskImage
+      '';
+      format = "raw";
+      diskSize = cfg.baseImageSize;
+      partitionTableType = "efi";
+      inherit config lib pkgs;
+    };
+
+    fileSystems."/" = {
+      device = "/dev/disk/by-label/nixos";
+      autoResize = true;
+      fsType = "ext4";
+    };
+
+    fileSystems."/boot" = {
+      device = "/dev/disk/by-label/ESP";
+      fsType = "vfat";
+    };
+
+    boot.growPartition = true;
+
+    boot.loader.grub = {
+      version = 2;
+      device = "nodev";
+      efiSupport = true;
+      efiInstallAsRemovable = true;
+    };
+
+    virtualisation.vmware.guest.enable = true;
+  };
+}