nixpkgs/nixos/modules/virtualisation/hyperv-image.nix
2021-04-24 14:49:07 -04:00

72 lines
1.7 KiB
Nix

{ config, pkgs, lib, ... }:
with lib;
let
cfg = config.hyperv;
in {
options = {
hyperv = {
baseImageSize = mkOption {
type = with types; either (enum [ "auto" ]) int;
default = "auto";
example = 2048;
description = ''
The size of the hyper-v base image in MiB.
'';
};
vmDerivationName = mkOption {
type = types.str;
default = "nixos-hyperv-${config.system.nixos.label}-${pkgs.stdenv.hostPlatform.system}";
description = ''
The name of the derivation for the hyper-v appliance.
'';
};
vmFileName = mkOption {
type = types.str;
default = "nixos-${config.system.nixos.label}-${pkgs.stdenv.hostPlatform.system}.vhdx";
description = ''
The file name of the hyper-v appliance.
'';
};
};
};
config = {
system.build.hypervImage = import ../../lib/make-disk-image.nix {
name = cfg.vmDerivationName;
postVM = ''
${pkgs.vmTools.qemu}/bin/qemu-img convert -f raw -o subformat=dynamic -O vhdx $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.hypervGuest.enable = true;
};
}