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# Module for VirtualBox guests.
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.virtualisation.virtualbox.guest;
kernel = config.boot.kernelPackages;
mkVirtualBoxUserService = serviceArgs: {
description = "VirtualBox Guest User Services ${serviceArgs}";
wantedBy = [ "graphical-session.target" ];
partOf = [ "graphical-session.target" ];
# The graphical session may not be ready when starting the service
# Hence, check if the DISPLAY env var is set, otherwise fail, wait and retry again
startLimitBurst = 20;
unitConfig.ConditionVirtualization = "oracle";
# Check if the display environment is ready, otherwise fail
preStart = "${pkgs.bash}/bin/bash -c \"if [ -z $DISPLAY ]; then exit 1; fi\"";
serviceConfig = {
ExecStart = "@${kernel.virtualboxGuestAdditions}/bin/VBoxClient --foreground ${serviceArgs}";
# Wait after a failure, hoping that the display environment is ready after waiting
RestartSec = 2;
Restart = "always";
};
};
in
{
###### interface
options.virtualisation.virtualbox.guest = {
enable = mkOption {
default = false;
type = types.bool;
description = lib.mdDoc "Whether to enable the VirtualBox service and other guest additions.";
};
clipboard = mkOption {
default = true;
type = types.bool;
description = lib.mdDoc "Whether to enable clipboard support.";
};
seamless = mkOption {
default = true;
type = types.bool;
description = lib.mdDoc "Whether to enable seamless mode. When activated windows from the guest appear next to the windows of the host.";
};
draganddrop = mkOption {
default = true;
type = types.bool;
description = lib.mdDoc "Whether to enable drag and drop support.";
};
};
###### implementation
config = mkIf cfg.enable (mkMerge [
{
assertions = [{
assertion = pkgs.stdenv.hostPlatform.isx86;
message = "Virtualbox not currently supported on ${pkgs.stdenv.hostPlatform.system}";
}];
environment.systemPackages = [ kernel.virtualboxGuestAdditions ];
boot.extraModulePackages = [ kernel.virtualboxGuestAdditions ];
boot.supportedFilesystems = [ "vboxsf" ];
boot.initrd.supportedFilesystems = [ "vboxsf" ];
users.groups.vboxsf.gid = config.ids.gids.vboxsf;
systemd.services.virtualbox = {
description = "VirtualBox Guest Services";
wantedBy = [ "multi-user.target" ];
requires = [ "dev-vboxguest.device" ];
after = [ "dev-vboxguest.device" ];
unitConfig.ConditionVirtualization = "oracle";
serviceConfig.ExecStart = "@${kernel.virtualboxGuestAdditions}/bin/VBoxService VBoxService --foreground";
};
services.udev.extraRules =
''
# /dev/vboxuser is necessary for VBoxClient to work. Maybe we
# should restrict this to logged-in users.
KERNEL=="vboxuser", OWNER="root", GROUP="root", MODE="0666"
# Allow systemd dependencies on vboxguest.
SUBSYSTEM=="misc", KERNEL=="vboxguest", TAG+="systemd"
'';
systemd.user.services.virtualboxClientVmsvga = mkVirtualBoxUserService "--vmsvga-session";
}
(
mkIf cfg.clipboard {
systemd.user.services.virtualboxClientClipboard = mkVirtualBoxUserService "--clipboard";
}
)
(
mkIf cfg.seamless {
systemd.user.services.virtualboxClientSeamless = mkVirtualBoxUserService "--seamless";
}
)
]);
}
|