522 lines
15 KiB
Nix
522 lines
15 KiB
Nix
{ system ? builtins.currentSystem,
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config ? {},
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pkgs ? import ../.. { inherit system config; },
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debug ? false,
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enableUnfree ? false,
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use64bitGuest ? true
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}:
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with import ../lib/testing-python.nix { inherit system pkgs; };
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with pkgs.lib;
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let
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testVMConfig = vmName: attrs: { config, pkgs, lib, ... }: let
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guestAdditions = pkgs.linuxPackages.virtualboxGuestAdditions;
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miniInit = ''
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#!${pkgs.runtimeShell} -xe
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export PATH="${lib.makeBinPath [ pkgs.coreutils pkgs.util-linux ]}"
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mkdir -p /run/dbus /var
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ln -s /run /var
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cat > /etc/passwd <<EOF
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root:x:0:0::/root:/bin/false
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messagebus:x:1:1::/run/dbus:/bin/false
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EOF
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cat > /etc/group <<EOF
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root:x:0:
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messagebus:x:1:
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EOF
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"${pkgs.dbus}/bin/dbus-daemon" --fork \
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--config-file="${pkgs.dbus}/share/dbus-1/system.conf"
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${guestAdditions}/bin/VBoxService
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${(attrs.vmScript or (const "")) pkgs}
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i=0
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while [ ! -e /mnt-root/shutdown ]; do
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sleep 10
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i=$(($i + 10))
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[ $i -le 120 ] || fail
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done
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rm -f /mnt-root/boot-done /mnt-root/shutdown
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'';
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in {
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boot.kernelParams = [
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"console=tty0" "console=ttyS0" "ignore_loglevel"
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"boot.trace" "panic=1" "boot.panic_on_fail"
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"init=${pkgs.writeScript "mini-init.sh" miniInit}"
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];
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fileSystems."/" = {
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device = "vboxshare";
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fsType = "vboxsf";
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};
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virtualisation.virtualbox.guest.enable = true;
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boot.initrd.kernelModules = [
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"af_packet" "vboxsf"
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"virtio" "virtio_pci" "virtio_ring" "virtio_net" "vboxguest"
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];
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boot.initrd.extraUtilsCommands = ''
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copy_bin_and_libs "${guestAdditions}/bin/mount.vboxsf"
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copy_bin_and_libs "${pkgs.util-linux}/bin/unshare"
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${(attrs.extraUtilsCommands or (const "")) pkgs}
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'';
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boot.initrd.postMountCommands = ''
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touch /mnt-root/boot-done
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hostname "${vmName}"
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mkdir -p /nix/store
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unshare -m ${escapeShellArg pkgs.runtimeShell} -c '
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mount -t vboxsf nixstore /nix/store
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exec "$stage2Init"
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'
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poweroff -f
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'';
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system.requiredKernelConfig = with config.lib.kernelConfig; [
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(isYes "SERIAL_8250_CONSOLE")
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(isYes "SERIAL_8250")
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];
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networking.usePredictableInterfaceNames = false;
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};
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mkLog = logfile: tag: let
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rotated = map (i: "${logfile}.${toString i}") (range 1 9);
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all = concatMapStringsSep " " (f: "\"${f}\"") ([logfile] ++ rotated);
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logcmd = "tail -F ${all} 2> /dev/null | logger -t \"${tag}\"";
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in if debug then "machine.execute(ru('${logcmd} & disown'))" else "pass";
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testVM = vmName: vmScript: let
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cfg = (import ../lib/eval-config.nix {
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system = if use64bitGuest then "x86_64-linux" else "i686-linux";
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modules = [
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../modules/profiles/minimal.nix
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(testVMConfig vmName vmScript)
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];
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}).config;
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in pkgs.vmTools.runInLinuxVM (pkgs.runCommand "virtualbox-image" {
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preVM = ''
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mkdir -p "$out"
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diskImage="$(pwd)/qimage"
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${pkgs.vmTools.qemu}/bin/qemu-img create -f raw "$diskImage" 100M
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'';
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postVM = ''
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echo "creating VirtualBox disk image..."
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${pkgs.vmTools.qemu}/bin/qemu-img convert -f raw -O vdi \
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"$diskImage" "$out/disk.vdi"
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'';
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buildInputs = [ pkgs.util-linux pkgs.perl ];
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} ''
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${pkgs.parted}/sbin/parted --script /dev/vda mklabel msdos
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${pkgs.parted}/sbin/parted --script /dev/vda -- mkpart primary ext2 1M -1s
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${pkgs.e2fsprogs}/sbin/mkfs.ext4 /dev/vda1
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${pkgs.e2fsprogs}/sbin/tune2fs -c 0 -i 0 /dev/vda1
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mkdir /mnt
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mount /dev/vda1 /mnt
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cp "${cfg.system.build.kernel}/bzImage" /mnt/linux
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cp "${cfg.system.build.initialRamdisk}/initrd" /mnt/initrd
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${pkgs.grub2}/bin/grub-install --boot-directory=/mnt /dev/vda
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cat > /mnt/grub/grub.cfg <<GRUB
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set root=hd0,1
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linux /linux ${concatStringsSep " " cfg.boot.kernelParams}
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initrd /initrd
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boot
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GRUB
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umount /mnt
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'');
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createVM = name: attrs: let
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mkFlags = concatStringsSep " ";
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sharePath = "/home/alice/vboxshare-${name}";
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createFlags = mkFlags [
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"--ostype ${if use64bitGuest then "Linux26_64" else "Linux26"}"
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"--register"
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];
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vmFlags = mkFlags ([
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"--uart1 0x3F8 4"
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"--uartmode1 client /run/virtualbox-log-${name}.sock"
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"--memory 768"
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"--audio none"
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] ++ (attrs.vmFlags or []));
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controllerFlags = mkFlags [
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"--name SATA"
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"--add sata"
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"--bootable on"
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"--hostiocache on"
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];
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diskFlags = mkFlags [
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"--storagectl SATA"
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"--port 0"
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"--device 0"
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"--type hdd"
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"--mtype immutable"
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"--medium ${testVM name attrs}/disk.vdi"
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];
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sharedFlags = mkFlags [
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"--name vboxshare"
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"--hostpath ${sharePath}"
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];
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nixstoreFlags = mkFlags [
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"--name nixstore"
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"--hostpath /nix/store"
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"--readonly"
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];
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in {
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machine = {
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systemd.sockets."vboxtestlog-${name}" = {
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description = "VirtualBox Test Machine Log Socket For ${name}";
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wantedBy = [ "sockets.target" ];
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before = [ "multi-user.target" ];
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socketConfig.ListenStream = "/run/virtualbox-log-${name}.sock";
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socketConfig.Accept = true;
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};
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systemd.services."vboxtestlog-${name}@" = {
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description = "VirtualBox Test Machine Log For ${name}";
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serviceConfig.StandardInput = "socket";
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serviceConfig.StandardOutput = "journal";
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serviceConfig.SyslogIdentifier = "GUEST-${name}";
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serviceConfig.ExecStart = "${pkgs.coreutils}/bin/cat";
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};
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};
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testSubs = ''
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${name}_sharepath = "${sharePath}"
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def check_running_${name}():
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cmd = "VBoxManage list runningvms | grep -q '^\"${name}\"'"
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(status, _) = machine.execute(ru(cmd))
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return status == 0
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def cleanup_${name}():
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if check_running_${name}():
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machine.execute(ru("VBoxManage controlvm ${name} poweroff"))
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machine.succeed("rm -rf ${sharePath}")
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machine.succeed("mkdir -p ${sharePath}")
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machine.succeed("chown alice:users ${sharePath}")
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def create_vm_${name}():
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cleanup_${name}()
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vbm("createvm --name ${name} ${createFlags}")
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vbm("modifyvm ${name} ${vmFlags}")
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vbm("setextradata ${name} VBoxInternal/PDM/HaltOnReset 1")
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vbm("storagectl ${name} ${controllerFlags}")
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vbm("storageattach ${name} ${diskFlags}")
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vbm("sharedfolder add ${name} ${sharedFlags}")
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vbm("sharedfolder add ${name} ${nixstoreFlags}")
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${mkLog "$HOME/VirtualBox VMs/${name}/Logs/VBox.log" "HOST-${name}"}
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def destroy_vm_${name}():
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cleanup_${name}()
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vbm("unregistervm ${name} --delete")
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def wait_for_vm_boot_${name}():
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machine.execute(
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ru(
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"set -e; i=0; "
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"while ! test -e ${sharePath}/boot-done; do "
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"sleep 10; i=$(($i + 10)); [ $i -le 3600 ]; "
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"VBoxManage list runningvms | grep -q '^\"${name}\"'; "
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"done"
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)
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)
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def wait_for_ip_${name}(interface):
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property = f"/VirtualBox/GuestInfo/Net/{interface}/V4/IP"
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getip = f"VBoxManage guestproperty get ${name} {property} | sed -n -e 's/^Value: //p'"
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ip = machine.succeed(
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ru(
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"for i in $(seq 1000); do "
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f'if ipaddr="$({getip})" && [ -n "$ipaddr" ]; then '
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'echo "$ipaddr"; exit 0; '
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"fi; "
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"sleep 1; "
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"done; "
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"echo 'Could not get IPv4 address for ${name}!' >&2; "
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"exit 1"
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)
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).strip()
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return ip
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def wait_for_startup_${name}(nudge=lambda: None):
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for _ in range(0, 130, 10):
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machine.sleep(10)
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if check_running_${name}():
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return
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nudge()
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raise Exception("VirtualBox VM didn't start up within 2 minutes")
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def wait_for_shutdown_${name}():
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for _ in range(0, 130, 10):
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machine.sleep(10)
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if not check_running_${name}():
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return
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raise Exception("VirtualBox VM didn't shut down within 2 minutes")
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def shutdown_vm_${name}():
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machine.succeed(ru("touch ${sharePath}/shutdown"))
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machine.execute(
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"set -e; i=0; "
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"while test -e ${sharePath}/shutdown "
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" -o -e ${sharePath}/boot-done; do "
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"sleep 1; i=$(($i + 1)); [ $i -le 3600 ]; "
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"done"
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)
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wait_for_shutdown_${name}()
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'';
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};
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hostonlyVMFlags = [
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"--nictype1 virtio"
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"--nictype2 virtio"
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"--nic2 hostonly"
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"--hostonlyadapter2 vboxnet0"
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];
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# The VirtualBox Oracle Extension Pack lets you use USB 3.0 (xHCI).
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enableExtensionPackVMFlags = [
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"--usbxhci on"
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];
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dhcpScript = pkgs: ''
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${pkgs.dhcpcd}/bin/dhcpcd eth0 eth1
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otherIP="$(${pkgs.netcat}/bin/nc -l 1234 || :)"
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${pkgs.iputils}/bin/ping -I eth1 -c1 "$otherIP"
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echo "$otherIP reachable" | ${pkgs.netcat}/bin/nc -l 5678 || :
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'';
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sysdDetectVirt = pkgs: ''
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${pkgs.systemd}/bin/systemd-detect-virt > /mnt-root/result
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'';
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vboxVMs = mapAttrs createVM {
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simple = {};
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detectvirt.vmScript = sysdDetectVirt;
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test1.vmFlags = hostonlyVMFlags;
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test1.vmScript = dhcpScript;
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test2.vmFlags = hostonlyVMFlags;
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test2.vmScript = dhcpScript;
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headless.virtualisation.virtualbox.headless = true;
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headless.services.xserver.enable = false;
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};
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vboxVMsWithExtpack = mapAttrs createVM {
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testExtensionPack.vmFlags = enableExtensionPackVMFlags;
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};
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mkVBoxTest = useExtensionPack: vms: name: testScript: makeTest {
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name = "virtualbox-${name}";
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nodes.machine = { lib, config, ... }: {
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imports = let
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mkVMConf = name: val: val.machine // { key = "${name}-config"; };
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vmConfigs = mapAttrsToList mkVMConf vms;
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in [ ./common/user-account.nix ./common/x11.nix ] ++ vmConfigs;
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virtualisation.memorySize = 2048;
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virtualisation.qemu.options = ["-cpu" "kvm64,svm=on,vmx=on"];
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virtualisation.virtualbox.host.enable = true;
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test-support.displayManager.auto.user = "alice";
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users.users.alice.extraGroups = let
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inherit (config.virtualisation.virtualbox.host) enableHardening;
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in lib.mkIf enableHardening (lib.singleton "vboxusers");
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virtualisation.virtualbox.host.enableExtensionPack = useExtensionPack;
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nixpkgs.config.allowUnfree = useExtensionPack;
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};
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testScript = ''
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from shlex import quote
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${concatStrings (mapAttrsToList (_: getAttr "testSubs") vms)}
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def ru(cmd: str) -> str:
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return f"su - alice -c {quote(cmd)}"
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def vbm(cmd: str) -> str:
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return machine.succeed(ru(f"VBoxManage {cmd}"))
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def remove_uuids(output: str) -> str:
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return "\n".join(
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[line for line in (output or "").splitlines() if not line.startswith("UUID:")]
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)
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machine.wait_for_x()
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${mkLog "$HOME/.config/VirtualBox/VBoxSVC.log" "HOST-SVC"}
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${testScript}
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# (keep black happy)
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'';
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meta = with pkgs.lib.maintainers; {
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maintainers = [ aszlig cdepillabout ];
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};
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};
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unfreeTests = mapAttrs (mkVBoxTest true vboxVMsWithExtpack) {
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enable-extension-pack = ''
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create_vm_testExtensionPack()
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vbm("startvm testExtensionPack")
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wait_for_startup_testExtensionPack()
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machine.screenshot("cli_started")
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wait_for_vm_boot_testExtensionPack()
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machine.screenshot("cli_booted")
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with machine.nested("Checking for privilege escalation"):
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machine.fail("test -e '/root/VirtualBox VMs'")
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machine.fail("test -e '/root/.config/VirtualBox'")
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machine.succeed("test -e '/home/alice/VirtualBox VMs'")
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shutdown_vm_testExtensionPack()
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destroy_vm_testExtensionPack()
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'';
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};
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in mapAttrs (mkVBoxTest false vboxVMs) {
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simple-gui = ''
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# Home to select Tools, down to move to the VM, enter to start it.
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def send_vm_startup():
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machine.send_key("home")
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machine.send_key("down")
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machine.send_key("ret")
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create_vm_simple()
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machine.succeed(ru("VirtualBox >&2 &"))
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machine.wait_until_succeeds(ru("xprop -name 'Oracle VM VirtualBox Manager'"))
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machine.sleep(5)
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machine.screenshot("gui_manager_started")
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send_vm_startup()
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machine.screenshot("gui_manager_sent_startup")
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wait_for_startup_simple(send_vm_startup)
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machine.screenshot("gui_started")
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wait_for_vm_boot_simple()
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machine.screenshot("gui_booted")
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shutdown_vm_simple()
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machine.sleep(5)
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machine.screenshot("gui_stopped")
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machine.send_key("ctrl-q")
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machine.sleep(5)
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machine.screenshot("gui_manager_stopped")
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destroy_vm_simple()
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'';
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simple-cli = ''
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create_vm_simple()
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vbm("startvm simple")
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wait_for_startup_simple()
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machine.screenshot("cli_started")
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wait_for_vm_boot_simple()
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machine.screenshot("cli_booted")
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with machine.nested("Checking for privilege escalation"):
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machine.fail("test -e '/root/VirtualBox VMs'")
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machine.fail("test -e '/root/.config/VirtualBox'")
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machine.succeed("test -e '/home/alice/VirtualBox VMs'")
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shutdown_vm_simple()
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destroy_vm_simple()
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'';
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headless = ''
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create_vm_headless()
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machine.succeed(ru("VBoxHeadless --startvm headless >&2 & disown %1"))
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wait_for_startup_headless()
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wait_for_vm_boot_headless()
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shutdown_vm_headless()
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destroy_vm_headless()
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'';
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host-usb-permissions = ''
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import sys
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user_usb = remove_uuids(vbm("list usbhost"))
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print(user_usb, file=sys.stderr)
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root_usb = remove_uuids(machine.succeed("VBoxManage list usbhost"))
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print(root_usb, file=sys.stderr)
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if user_usb != root_usb:
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raise Exception("USB host devices differ for root and normal user")
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if "<none>" in user_usb:
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raise Exception("No USB host devices found")
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'';
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systemd-detect-virt = ''
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create_vm_detectvirt()
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vbm("startvm detectvirt")
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wait_for_startup_detectvirt()
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wait_for_vm_boot_detectvirt()
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shutdown_vm_detectvirt()
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result = machine.succeed(f"cat '{detectvirt_sharepath}/result'").strip()
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destroy_vm_detectvirt()
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if result != "oracle":
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raise Exception(f'systemd-detect-virt returned "{result}" instead of "oracle"')
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'';
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net-hostonlyif = ''
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create_vm_test1()
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create_vm_test2()
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vbm("startvm test1")
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wait_for_startup_test1()
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wait_for_vm_boot_test1()
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vbm("startvm test2")
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wait_for_startup_test2()
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wait_for_vm_boot_test2()
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machine.screenshot("net_booted")
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test1_ip = wait_for_ip_test1(1)
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test2_ip = wait_for_ip_test2(1)
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machine.succeed(f"echo '{test2_ip}' | nc -N '{test1_ip}' 1234")
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machine.succeed(f"echo '{test1_ip}' | nc -N '{test2_ip}' 1234")
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|
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machine.wait_until_succeeds(f"nc -N '{test1_ip}' 5678 < /dev/null >&2")
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machine.wait_until_succeeds(f"nc -N '{test2_ip}' 5678 < /dev/null >&2")
|
|
|
|
shutdown_vm_test1()
|
|
shutdown_vm_test2()
|
|
|
|
destroy_vm_test1()
|
|
destroy_vm_test2()
|
|
'';
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|
} // (if enableUnfree then unfreeTests else {})
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