pyrox.dev
1{ config, pkgs, lib, ... }:
2
3with lib;
4
5let
6 cfg = config.hyperv;
7
8in {
9 options = {
10 hyperv = {
11 baseImageSize = mkOption {
12 type = with types; either (enum [ "auto" ]) int;
13 default = "auto";
14 example = 2048;
15 description = lib.mdDoc ''
16 The size of the hyper-v base image in MiB.
17 '';
18 };
19 vmDerivationName = mkOption {
20 type = types.str;
21 default = "nixos-hyperv-${config.system.nixos.label}-${pkgs.stdenv.hostPlatform.system}";
22 description = lib.mdDoc ''
23 The name of the derivation for the hyper-v appliance.
24 '';
25 };
26 vmFileName = mkOption {
27 type = types.str;
28 default = "nixos-${config.system.nixos.label}-${pkgs.stdenv.hostPlatform.system}.vhdx";
29 description = lib.mdDoc ''
30 The file name of the hyper-v appliance.
31 '';
32 };
33 };
34 };
35
36 config = {
37 system.build.hypervImage = import ../../lib/make-disk-image.nix {
38 name = cfg.vmDerivationName;
39 postVM = ''
40 ${pkgs.vmTools.qemu}/bin/qemu-img convert -f raw -o subformat=dynamic -O vhdx $diskImage $out/${cfg.vmFileName}
41 rm $diskImage
42 '';
43 format = "raw";
44 diskSize = cfg.baseImageSize;
45 partitionTableType = "efi";
46 inherit config lib pkgs;
47 };
48
49 fileSystems."/" = {
50 device = "/dev/disk/by-label/nixos";
51 autoResize = true;
52 fsType = "ext4";
53 };
54
55 fileSystems."/boot" = {
56 device = "/dev/disk/by-label/ESP";
57 fsType = "vfat";
58 };
59
60 boot.growPartition = true;
61
62 boot.loader.grub = {
63 version = 2;
64 device = "nodev";
65 efiSupport = true;
66 efiInstallAsRemovable = true;
67 };
68
69 virtualisation.hypervGuest.enable = true;
70 };
71}