nixpkgs/nixos/modules/programs/virtualbox-host.nix

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{ config, lib, pkgs, ... }:
with lib;
let
virtualbox = config.boot.kernelPackages.virtualbox;
in
{
options = {
services.virtualboxHost.enable = mkEnableOption "VirtualBox Host support";
};
config = mkIf config.services.virtualboxHost.enable {
boot.kernelModules = [ "vboxdrv" "vboxnetadp" "vboxnetflt" ];
boot.extraModulePackages = [ virtualbox ];
environment.systemPackages = [ virtualbox ];
users.extraGroups.vboxusers.gid = config.ids.gids.vboxusers;
services.udev.extraRules =
''
KERNEL=="vboxdrv", OWNER="root", GROUP="vboxusers", MODE="0660", TAG+="systemd"
KERNEL=="vboxdrvu", OWNER="root", GROUP="root", MODE="0666", TAG+="systemd"
KERNEL=="vboxnetctl", OWNER="root", GROUP="vboxusers", MODE="0660", TAG+="systemd"
SUBSYSTEM=="usb_device", ACTION=="add", RUN+="${virtualbox}/libexec/virtualbox/VBoxCreateUSBNode.sh $major $minor $attr{bDeviceClass}"
SUBSYSTEM=="usb", ACTION=="add", ENV{DEVTYPE}=="usb_device", RUN+="${virtualbox}/libexec/virtualbox/VBoxCreateUSBNode.sh $major $minor $attr{bDeviceClass}"
SUBSYSTEM=="usb_device", ACTION=="remove", RUN+="${virtualbox}/libexec/virtualbox/VBoxCreateUSBNode.sh --remove $major $minor"
SUBSYSTEM=="usb", ACTION=="remove", ENV{DEVTYPE}=="usb_device", RUN+="${virtualbox}/libexec/virtualbox/VBoxCreateUSBNode.sh --remove $major $minor"
'';
# Since we lack the right setuid binaries, set up a host-only network by default.
systemd.services."vboxnet0" =
{ description = "VirtualBox vboxnet0 Interface";
requires = [ "dev-vboxnetctl.device" ];
after = [ "dev-vboxnetctl.device" ];
wantedBy = [ "network.target" "sys-subsystem-net-devices-vboxnet0.device" ];
path = [ virtualbox ];
serviceConfig.RemainAfterExit = true;
serviceConfig.Type = "oneshot";
script =
''
if ! [ -e /sys/class/net/vboxnet0 ]; then
VBoxManage hostonlyif create
fi
'';
postStop =
''
VBoxManage hostonlyif remove vboxnet0
'';
};
networking.interfaces.vboxnet0.ip4 = [ { address = "192.168.56.1"; prefixLength = 24; } ];
};
}