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diff --git a/src/main/java/org/openslx/virtualization/configuration/VirtualizationConfigurationVirtualBox.java b/src/main/java/org/openslx/virtualization/configuration/VirtualizationConfigurationVirtualBox.java
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+++ b/src/main/java/org/openslx/virtualization/configuration/VirtualizationConfigurationVirtualBox.java
@@ -0,0 +1,558 @@
+package org.openslx.virtualization.configuration;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.nio.ByteBuffer;
+import java.nio.charset.StandardCharsets;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map.Entry;
+import java.util.UUID;
+
+import org.apache.log4j.Logger;
+import org.openslx.bwlp.thrift.iface.OperatingSystem;
+import org.openslx.thrifthelper.TConst;
+import org.openslx.virtualization.Version;
+import org.openslx.virtualization.configuration.VirtualizationConfigurationVirtualboxFileFormat.PlaceHolder;
+import org.openslx.virtualization.virtualizer.VirtualizerVirtualBox;
+import org.w3c.dom.Attr;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+class VBoxSoundCardMeta
+{
+ public final boolean isPresent;
+ public final String value;
+
+ public VBoxSoundCardMeta( boolean present, String val )
+ {
+ isPresent = present;
+ value = val;
+ }
+}
+
+class VBoxDDAccelMeta
+{
+ public final boolean isPresent;
+
+ public VBoxDDAccelMeta( boolean present )
+ {
+ isPresent = present;
+ }
+}
+
+class VBoxEthernetDevTypeMeta
+{
+ public final String value;
+ public final boolean isPresent;
+
+ public VBoxEthernetDevTypeMeta( boolean present, String val )
+ {
+ value = val;
+ isPresent = present;
+ }
+}
+
+class VBoxUsbSpeedMeta
+{
+ public final String value;
+ public final int speed;
+
+ public VBoxUsbSpeedMeta( String value, int speed )
+ {
+ this.value = value;
+ this.speed = speed;
+ }
+}
+
+public class VirtualizationConfigurationVirtualBox
+ extends VirtualizationConfiguration<VBoxSoundCardMeta, VBoxDDAccelMeta, VBoxEthernetDevTypeMeta, VBoxUsbSpeedMeta>
+{
+ /**
+ * File name extension for VirtualBox virtualization configuration files..
+ */
+ public static final String FILE_NAME_EXTENSION = "vbox";
+
+ private static final Logger LOGGER = Logger.getLogger( VirtualizationConfigurationVirtualBox.class );
+
+ private final VirtualizationConfigurationVirtualboxFileFormat config;
+
+ public static enum EthernetType
+ {
+ NAT( "vboxnet1" ), BRIDGED( "vboxnet0" ), HOST_ONLY( "vboxnet2" );
+
+ public final String vnet;
+
+ private EthernetType( String vnet )
+ {
+ this.vnet = vnet;
+ }
+ }
+
+ public VirtualizationConfigurationVirtualBox( List<OperatingSystem> osList, File file )
+ throws IOException, VirtualizationConfigurationException
+ {
+ super( new VirtualizerVirtualBox(), osList );
+ this.config = new VirtualizationConfigurationVirtualboxFileFormat( file );
+ init();
+ }
+
+ public VirtualizationConfigurationVirtualBox( List<OperatingSystem> osList, byte[] vmContent, int length )
+ throws IOException, VirtualizationConfigurationException
+ {
+ super( new VirtualizerVirtualBox(), osList );
+ this.config = new VirtualizationConfigurationVirtualboxFileFormat( vmContent, length );
+ init();
+ }
+
+ private void init()
+ {
+ displayName = config.getDisplayName();
+ setOs( config.getOsName() );
+ this.isMachineSnapshot = config.isMachineSnapshot();
+ for ( HardDisk hardDisk : config.getHdds() ) {
+ hdds.add( hardDisk );
+ }
+ }
+
+ @Override
+ public void transformEditable() throws VirtualizationConfigurationException
+ {
+ // TODO Auto-generated method stub
+ }
+
+ @Override
+ public void transformPrivacy() throws VirtualizationConfigurationException
+ {
+
+ }
+
+ @Override
+ public byte[] getConfigurationAsByteArray()
+ {
+ return config.toString( true ).getBytes( StandardCharsets.UTF_8 );
+ }
+
+ @Override
+ public boolean addEmptyHddTemplate()
+ {
+ return this.addHddTemplate( "%VM_DISK_PATH%", "%VM_DISK_MODE%", "%VM_DISK_REDOLOGDIR%" );
+ }
+
+ @Override
+ public boolean addHddTemplate( String diskImage, String hddMode, String redoDir )
+ {
+ config.changeAttribute( "/VirtualBox/Machine/MediaRegistry/HardDisks/HardDisk[@location='"
+ + PlaceHolder.HDDLOCATION.toString() + "']", "location", diskImage );
+ config.changeAttribute( "/VirtualBox/Machine", "snapshotFolder", redoDir );
+ return true;
+ }
+
+ @Override
+ public boolean addHddTemplate( File diskImage, String hddMode, String redoDir )
+ {
+ String diskImagePath = diskImage.getName();
+ config.changeAttribute( "/VirtualBox/Machine/MediaRegistry/HardDisks/HardDisk", "location", diskImagePath );
+
+ UUID newhdduuid = UUID.randomUUID();
+
+ // patching the new uuid in the vbox config file here
+ String vboxUUid = "{" + newhdduuid.toString() + "}";
+ config.changeAttribute( "/VirtualBox/Machine/MediaRegistry/HardDisks/HardDisk", "uuid", vboxUUid );
+ config.changeAttribute( "/VirtualBox/Machine/StorageControllers/StorageController/AttachedDevice/Image", "uuid",
+ vboxUUid );
+
+ // the order of the UUID is BIG_ENDIAN but we need to change the order of the first 8 Bytes
+ // to be able to write them to the vdi file... the PROBLEM here is that the first 8
+ // are in LITTLE_ENDIAN order in pairs of 4-2-2 not the whole 8 so just changing the
+ // order when we are adding them to the bytebuffer won't help
+ //
+ // the following is a workaround that works
+ ByteBuffer buffer = ByteBuffer.wrap( new byte[ 16 ] );
+ buffer.putLong( newhdduuid.getMostSignificantBits() );
+ buffer.putLong( newhdduuid.getLeastSignificantBits() );
+ byte[] oldOrder = buffer.array();
+ // make a coppy here because the last 8 Bytes don't need to change position
+ byte[] bytesToWrite = Arrays.copyOf( oldOrder, oldOrder.length );
+ // use an offset int[] to help with the shuffle
+ int[] offsets = { 3, 2, 1, 0, 5, 4, 7, 6 };
+ for ( int index = 0; index < 8; index++ ) {
+ bytesToWrite[index] = oldOrder[offsets[index]];
+ }
+ try ( RandomAccessFile file = new RandomAccessFile( diskImage, "rw" ) ) {
+ file.seek( 392 );
+ file.write( bytesToWrite, 0, 16 );
+ } catch ( Exception e ) {
+ LOGGER.warn( "could not patch new uuid in the vdi", e );
+ }
+
+ // we need a new machine uuid
+ UUID newMachineUuid = UUID.randomUUID();
+ if ( newMachineUuid.equals( newhdduuid ) ) {
+ LOGGER.warn( "The new Machine UUID is the same as the new HDD UUID; tying again...this vm might not start" );
+ newMachineUuid = UUID.randomUUID();
+ }
+ String machineUUid = "{" + newMachineUuid.toString() + "}";
+ return config.changeAttribute( "/VirtualBox/Machine", "uuid", machineUUid );
+ }
+
+ @Override
+ public boolean addDefaultNat()
+ {
+ if ( config.addNewNode( "/VirtualBox/Machine/Hardware/Network/Adapter", "NAT" ) == null ) {
+ LOGGER.error( "Failed to set network adapter to NAT." );
+ return false;
+ }
+ return config.changeAttribute( "/VirtualBox/Machine/Hardware/Network/Adapter", "MACAddress", "080027B86D12" );
+ }
+
+ @Override
+ public void setOs( String vendorOsId )
+ {
+ config.changeAttribute( "/VirtualBox/Machine", "OSType", vendorOsId );
+
+ final OperatingSystem os = VirtualizationConfigurationUtils.getOsOfVirtualizerFromList( this.osList,
+ TConst.VIRT_VIRTUALBOX, vendorOsId );
+ this.setOs( os );
+ }
+
+ @Override
+ public boolean addDisplayName( String name )
+ {
+ return config.changeAttribute( "/VirtualBox/Machine", "name", name );
+ }
+
+ @Override
+ public boolean addRam( int mem )
+ {
+ return config.changeAttribute( "/VirtualBox/Machine/Hardware/Memory", "RAMSize", Integer.toString( mem ) );
+ }
+
+ @Override
+ public void addFloppy( int index, String image, boolean readOnly )
+ {
+ Element floppyController = null;
+ NodeList matches = (NodeList)config
+ .findNodes( "/VirtualBox/Machine/StorageControllers/StorageController[@name='Floppy']" );
+ if ( matches == null || matches.getLength() == 0 ) {
+ floppyController = (Element)config.addNewNode( "/VirtualBox/Machine/StorageControllers", "StorageController" );
+ if ( floppyController == null ) {
+ LOGGER.error( "Failed to add <Image> to floppy device." );
+ return;
+ }
+ floppyController.setAttribute( "name", "Floppy" );
+ floppyController.setAttribute( "type", "I82078" );
+ floppyController.setAttribute( "PortCount", "1" );
+ floppyController.setAttribute( "useHostIOCache", "true" );
+ floppyController.setAttribute( "Bootable", "false" );
+ }
+ // virtualbox only allows one controller per type
+ if ( matches.getLength() > 1 ) {
+ LOGGER.error( "Multiple floppy controllers detected, this should never happen! " );
+ return;
+ }
+ // so if we had any matches, we know we have exactly one
+ if ( floppyController == null )
+ floppyController = (Element)matches.item( 0 );
+
+ // add the floppy device
+ Element floppyDevice = (Element)config.addNewNode( floppyController, "AttachedDevice" );
+ if ( floppyDevice == null ) {
+ LOGGER.error( "Failed to add <Image> to floppy device." );
+ return;
+ }
+ floppyDevice.setAttribute( "type", "Floppy" );
+ floppyDevice.setAttribute( "hotpluggable", "false" );
+ floppyDevice.setAttribute( "port", "0" );
+ floppyDevice.setAttribute( "device", Integer.toString( index ) );
+
+ // finally add the image to it, if one was given
+ if ( image != null ) {
+ Element floppyImage = (Element)config.addNewNode( floppyDevice, "Image" );
+ if ( floppyImage == null ) {
+ LOGGER.error( "Failed to add <Image> to floppy device." );
+ return;
+ }
+ floppyImage.setAttribute( "uuid",
+ VirtualizationConfigurationVirtualboxFileFormat.PlaceHolder.FLOPPYUUID.toString() );
+ // register the image in the media registry
+ Element floppyImages = (Element)config.addNewNode( "/VirtualBox/Machine/MediaRegistry", "FloppyImages" );
+ if ( floppyImages == null ) {
+ LOGGER.error( "Failed to add <FloppyImages> to media registry." );
+ return;
+ }
+ Element floppyImageReg = (Element)config.addNewNode( "/VirtualBox/Machine/MediaRegistry/FloppyImages",
+ "Image" );
+ if ( floppyImageReg == null ) {
+ LOGGER.error( "Failed to add <Image> to floppy images in the media registry." );
+ return;
+ }
+ floppyImageReg.setAttribute( "uuid",
+ VirtualizationConfigurationVirtualboxFileFormat.PlaceHolder.FLOPPYUUID.toString() );
+ floppyImageReg.setAttribute( "location",
+ VirtualizationConfigurationVirtualboxFileFormat.PlaceHolder.FLOPPYLOCATION.toString() );
+ }
+ }
+
+ @Override
+ public boolean addCdrom( String image )
+ {
+ // TODO - done in run-virt currently
+ return false;
+ }
+
+ @Override
+ public boolean addCpuCoreCount( int nrOfCores )
+ {
+ return config.changeAttribute( "/VirtualBox/Machine/Hardware/CPU", "count", Integer.toString( nrOfCores ) );
+ }
+
+ @Override
+ public void setSoundCard( org.openslx.virtualization.configuration.VirtualizationConfiguration.SoundCardType type )
+ {
+ VBoxSoundCardMeta sound = soundCards.get( type );
+ config.changeAttribute( "/VirtualBox/Machine/Hardware/AudioAdapter", "enabled",
+ Boolean.toString( sound.isPresent ) );
+ config.changeAttribute( "/VirtualBox/Machine/Hardware/AudioAdapter", "controller", sound.value );
+ }
+
+ @Override
+ public VirtualizationConfiguration.SoundCardType getSoundCard()
+ {
+ // initialize here to type None to avoid all null pointer exceptions thrown for unknown user written sound cards
+ VirtualizationConfiguration.SoundCardType returnsct = VirtualizationConfiguration.SoundCardType.NONE;
+ Element x = (Element)config.findNodes( "/VirtualBox/Machine/Hardware/AudioAdapter" ).item( 0 );
+ if ( !x.hasAttribute( "enabled" )
+ || ( x.hasAttribute( "enabled" ) && x.getAttribute( "enabled" ).equals( "false" ) ) ) {
+ return returnsct;
+ } else {
+ // extra separate case for the non-existing argument}
+ if ( !x.hasAttribute( "controller" ) ) {
+ returnsct = VirtualizationConfiguration.SoundCardType.AC;
+ } else {
+ String controller = x.getAttribute( "controller" );
+ VBoxSoundCardMeta soundMeta = null;
+ for ( VirtualizationConfiguration.SoundCardType type : VirtualizationConfiguration.SoundCardType
+ .values() ) {
+ soundMeta = soundCards.get( type );
+ if ( soundMeta != null ) {
+ if ( controller.equals( soundMeta.value ) ) {
+ returnsct = type;
+ }
+ }
+ }
+ }
+ }
+ return returnsct;
+ }
+
+ @Override
+ public void setDDAcceleration( VirtualizationConfiguration.DDAcceleration type )
+ {
+ VBoxDDAccelMeta accel = ddacc.get( type );
+ config.changeAttribute( "/VirtualBox/Machine/Hardware/Display", "accelerate3D",
+ Boolean.toString( accel.isPresent ) );
+ }
+
+ @Override
+ public VirtualizationConfiguration.DDAcceleration getDDAcceleration()
+ {
+ VirtualizationConfiguration.DDAcceleration returndda = null;
+ Element x = (Element)config.findNodes( "/VirtualBox/Machine/Hardware/Display" ).item( 0 );
+ if ( x.hasAttribute( "accelerate3D" ) ) {
+ if ( x.getAttribute( "accelerate3D" ).equals( "true" ) ) {
+ returndda = VirtualizationConfiguration.DDAcceleration.ON;
+ } else {
+ returndda = VirtualizationConfiguration.DDAcceleration.OFF;
+ }
+ } else {
+ returndda = VirtualizationConfiguration.DDAcceleration.OFF;
+ }
+ return returndda;
+ }
+
+ /**
+ * Function does nothing for Virtual Box;
+ * Virtual Box accepts per default only one hardware version and is hidden from the user
+ */
+ @Override
+ public void setVirtualizerVersion( Version type )
+ {
+ }
+
+ public Version getConfigurationVersion()
+ {
+ return this.config.getVersion();
+ }
+
+ @Override
+ public Version getVirtualizerVersion()
+ {
+ // Virtual Box uses only one virtual hardware version and can't be changed
+ return null;
+ }
+
+ @Override
+ public void setEthernetDevType( int cardIndex, EthernetDevType type )
+ {
+ String index = "0";
+ VBoxEthernetDevTypeMeta nic = networkCards.get( type );
+ // cardIndex is not used yet...maybe later needed for different network cards
+ config.changeAttribute( "/VirtualBox/Machine/Hardware/Network/Adapter[@slot='" + index + "']", "enabled",
+ Boolean.toString( nic.isPresent ) );
+ config.changeAttribute( "/VirtualBox/Machine/Hardware/Network/Adapter[@slot='" + index + "']", "type",
+ nic.value );
+ }
+
+ @Override
+ public VirtualizationConfiguration.EthernetDevType getEthernetDevType( int cardIndex )
+ {
+ VirtualizationConfiguration.EthernetDevType returnedt = VirtualizationConfiguration.EthernetDevType.NONE;
+ Element x = (Element)config.findNodes( "/VirtualBox/Machine/Hardware/Network/Adapter" ).item( 0 );
+ if ( !x.hasAttribute( "enabled" )
+ || ( x.hasAttribute( "enabled" ) && x.getAttribute( "enabled" ).equals( "false" ) ) ) {
+ return returnedt;
+ } else {
+ // extra separate case for the non-existing argument}
+ if ( !x.hasAttribute( "type" ) ) {
+ returnedt = VirtualizationConfiguration.EthernetDevType.PCNETFAST3;
+ } else {
+ String temp = x.getAttribute( "type" );
+ VBoxEthernetDevTypeMeta etherMeta = null;
+ for ( VirtualizationConfiguration.EthernetDevType type : VirtualizationConfiguration.EthernetDevType
+ .values() ) {
+ etherMeta = networkCards.get( type );
+ if ( etherMeta != null ) {
+ if ( temp.equals( etherMeta.value ) ) {
+ returnedt = type;
+ }
+ }
+ }
+ }
+ }
+ return returnedt;
+ }
+
+ public void registerVirtualHW()
+ {
+ // none type needs to have a valid value; it takes the value of AC97; if value is left null or empty vm will not start because value is not valid
+ // TODO: Maybe just remove the entire section from the XML? Same for ethernet...
+ soundCards.put( VirtualizationConfiguration.SoundCardType.NONE, new VBoxSoundCardMeta( false, "AC97" ) );
+ soundCards.put( VirtualizationConfiguration.SoundCardType.SOUND_BLASTER, new VBoxSoundCardMeta( true, "SB16" ) );
+ soundCards.put( VirtualizationConfiguration.SoundCardType.HD_AUDIO, new VBoxSoundCardMeta( true, "HDA" ) );
+ soundCards.put( VirtualizationConfiguration.SoundCardType.AC, new VBoxSoundCardMeta( true, "AC97" ) );
+
+ ddacc.put( VirtualizationConfiguration.DDAcceleration.OFF, new VBoxDDAccelMeta( false ) );
+ ddacc.put( VirtualizationConfiguration.DDAcceleration.ON, new VBoxDDAccelMeta( true ) );
+
+ // none type needs to have a valid value; it takes the value of pcnetcpi2; if value is left null or empty vm will not start because value is not valid
+ networkCards.put( VirtualizationConfiguration.EthernetDevType.NONE,
+ new VBoxEthernetDevTypeMeta( false, "Am79C970A" ) );
+ networkCards.put( VirtualizationConfiguration.EthernetDevType.PCNETPCI2,
+ new VBoxEthernetDevTypeMeta( true, "Am79C970A" ) );
+ networkCards.put( VirtualizationConfiguration.EthernetDevType.PCNETFAST3,
+ new VBoxEthernetDevTypeMeta( true, "Am79C973" ) );
+ networkCards.put( VirtualizationConfiguration.EthernetDevType.PRO1000MTD,
+ new VBoxEthernetDevTypeMeta( true, "82540EM" ) );
+ networkCards.put( VirtualizationConfiguration.EthernetDevType.PRO1000TS,
+ new VBoxEthernetDevTypeMeta( true, "82543GC" ) );
+ networkCards.put( VirtualizationConfiguration.EthernetDevType.PRO1000MTS,
+ new VBoxEthernetDevTypeMeta( true, "82545EM" ) );
+ networkCards.put( VirtualizationConfiguration.EthernetDevType.PARAVIRT,
+ new VBoxEthernetDevTypeMeta( true, "virtio" ) );
+
+ usbSpeeds.put( VirtualizationConfiguration.UsbSpeed.NONE, new VBoxUsbSpeedMeta( null, 0 ) );
+ usbSpeeds.put( VirtualizationConfiguration.UsbSpeed.USB1_1, new VBoxUsbSpeedMeta( "OHCI", 1 ) );
+ usbSpeeds.put( VirtualizationConfiguration.UsbSpeed.USB2_0, new VBoxUsbSpeedMeta( "EHCI", 2 ) );
+ usbSpeeds.put( VirtualizationConfiguration.UsbSpeed.USB3_0, new VBoxUsbSpeedMeta( "XHCI", 3 ) );
+ }
+
+ @Override
+ public boolean addEthernet( VirtualizationConfiguration.EtherType type )
+ {
+ Node hostOnlyInterfaceNode = config.addNewNode( "/VirtualBox/Machine/Hardware/Network/Adapter[@slot='0']",
+ "HostOnlyInterface" );
+ if ( hostOnlyInterfaceNode == null ) {
+ LOGGER.error( "Failed to create node for HostOnlyInterface." );
+ return false;
+ }
+ return config.addAttributeToNode( hostOnlyInterfaceNode, "name", EthernetType.valueOf( type.name() ).vnet );
+ }
+
+ @Override
+ public void transformNonPersistent() throws VirtualizationConfigurationException
+ {
+ // Cannot disable suspend
+ // https://forums.virtualbox.org/viewtopic.php?f=6&t=77169
+ // https://forums.virtualbox.org/viewtopic.php?f=8&t=80338
+ // But some other stuff that won't make sense in non-persistent mode
+ config.setExtraData( "GUI/LastCloseAction", "PowerOff" );
+ // Could use "Default" instead of "Last" above, but you won't get any confirmation dialog in that case
+ config.setExtraData( "GUI/RestrictedRuntimeHelpMenuActions", "All" );
+ config.setExtraData( "GUI/RestrictedRuntimeMachineMenuActions", "TakeSnapshot,Pause,SaveState" );
+ config.setExtraData( "GUI/RestrictedRuntimeMenus", "Help" );
+ config.setExtraData( "GUI/PreventSnapshotOperations", "true" );
+ config.setExtraData( "GUI/PreventApplicationUpdate", "true" );
+ config.setExtraData( "GUI/RestrictedCloseActions", "SaveState,PowerOffRestoringSnapshot,Detach" );
+ }
+
+ @Override
+ public void setMaxUsbSpeed( VirtualizationConfiguration.UsbSpeed speed )
+ {
+ // Wipe existing ones
+ config.removeNodes( "/VirtualBox/Machine/Hardware", "USB" );
+ if ( speed == null || speed == VirtualizationConfiguration.UsbSpeed.NONE ) {
+ // Add marker so we know it's not an old config and we really want no USB
+ Element node = config.createNodeRecursive( "/VirtualBox/OpenSLX/USB" );
+ if ( node != null ) {
+ node.setAttribute( "disabled", "true" );
+ }
+ return; // NO USB
+ }
+ Element node = config.createNodeRecursive( "/VirtualBox/Machine/Hardware/USB/Controllers/Controller" );
+ VBoxUsbSpeedMeta vboxSpeed = usbSpeeds.get( speed );
+ node.setAttribute( "type", vboxSpeed.value );
+ node.setAttribute( "name", vboxSpeed.value );
+ if ( speed == UsbSpeed.USB2_0 ) {
+ // If EHCI (2.0) is selected, VBox adds an OHCI controller too...
+ node.setAttribute( "type", "OHCI" );
+ node.setAttribute( "name", "OHCI" );
+ }
+ }
+
+ @Override
+ public VirtualizationConfiguration.UsbSpeed getMaxUsbSpeed()
+ {
+ NodeList nodes = config.findNodes( "/VirtualBox/Machine/Hardware/USB/Controllers/Controller/@type" );
+ int maxSpeed = 0;
+ VirtualizationConfiguration.UsbSpeed maxItem = VirtualizationConfiguration.UsbSpeed.NONE;
+ for ( int i = 0; i < nodes.getLength(); ++i ) {
+ if ( nodes.item( i ).getNodeType() != Node.ATTRIBUTE_NODE ) {
+ LOGGER.info( "Not ATTRIBUTE type" );
+ continue;
+ }
+ String type = ( (Attr)nodes.item( i ) ).getValue();
+ for ( Entry<VirtualizationConfiguration.UsbSpeed, VBoxUsbSpeedMeta> s : usbSpeeds.entrySet() ) {
+ if ( s.getValue().speed > maxSpeed && type.equals( s.getValue().value ) ) {
+ maxSpeed = s.getValue().speed;
+ maxItem = s.getKey();
+ }
+ }
+ }
+ return maxItem;
+ }
+
+ @Override
+ public String getFileNameExtension()
+ {
+ return VirtualizationConfigurationVirtualBox.FILE_NAME_EXTENSION;
+ }
+
+ @Override
+ public void validate() throws VirtualizationConfigurationException
+ {
+ this.config.validate();
+ }
+}