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