[client] vm-config editor finished, accessible from the popup menu of image's versions

8 files changed, 202 insertions, 121 deletions

diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/ImageDetailsWindow.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/ImageDetailsWindow.java
index e2d55f29..47022be9 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/ImageDetailsWindow.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/ImageDetailsWindow.java
@@ -11,6 +11,9 @@ import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.nio.ByteBuffer;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashMap;
@@ -32,7 +35,6 @@ import org.apache.thrift.TException;
 import org.openslx.bwlp.thrift.iface.ImageBaseWrite;
 import org.openslx.bwlp.thrift.iface.ImageDetailsRead;
 import org.openslx.bwlp.thrift.iface.ImagePermissions;
-import org.openslx.bwlp.thrift.iface.ImagePublishData;
 import org.openslx.bwlp.thrift.iface.ImageSummaryRead;
 import org.openslx.bwlp.thrift.iface.ImageVersionDetails;
 import org.openslx.bwlp.thrift.iface.LectureSummary;
@@ -47,7 +49,7 @@ import org.openslx.dozmod.gui.helper.PopupMenu;
 import org.openslx.dozmod.gui.helper.TextChangeListener;
 import org.openslx.dozmod.gui.helper.UiFeedback;
 import org.openslx.dozmod.gui.window.UserListWindow.UserAddedCallback;
-import org.openslx.dozmod.gui.window.VmxEditorWindow.VmxChangedCallback;
+import org.openslx.dozmod.gui.window.VirtConfigEditorWindow.VirtConfigChanged;
 import org.openslx.dozmod.gui.window.layout.ImageDetailsWindowLayout;
 import org.openslx.dozmod.gui.wizard.ImageUpdateWizard;
 import org.openslx.dozmod.gui.wizard.LectureWizard;
@@ -66,7 +68,9 @@ import org.openslx.dozmod.util.MapHelper;
 import org.openslx.thrifthelper.ThriftManager;
 import org.openslx.util.QuickTimer;
 import org.openslx.util.QuickTimer.Task;
+import org.openslx.util.ThriftUtil;
 import org.openslx.util.Util;
+import org.openslx.util.vm.VmwareConfig;
 
 /**
  * Window for displaying and editing the details of an image.
@@ -124,6 +128,7 @@ public class ImageDetailsWindow extends ImageDetailsWindowLayout implements UiFe
 	 */
 	private final JMenuItem mnuNewLecture = new JMenuItem("Neue Veranstaltung");
 	private final JMenuItem mnuDownload = new JMenuItem("Download");
+	private final JMenuItem mnuVmConfig = new JMenuItem("VM-Konfiguration");
 	private final JMenuItem mnuDelete = new JMenuItem("Löschen");
 	private final JMenuItem mnuExtendExpiryDate = new JMenuItem(
 			"Ablaufzeitpunk vom aktuellen Datum ausgehend neu berechnen");
@@ -208,42 +213,7 @@ public class ImageDetailsWindow extends ImageDetailsWindowLayout implements UiFe
 				}, "Besitzer festlegen", image.ownerId);
 			}
 		});
-		btnEditVmx.addActionListener(new ActionListener() {
-			@Override
-			public void actionPerformed(ActionEvent e) {
-				QuickTimer.scheduleOnce(new Task() {
-					ImagePublishData data = null;
-					@Override
-					public void fire() {
-						data = ThriftActions.getImageData(image.imageBaseId);
-						Gui.asyncExec(new Runnable() {
-							@Override
-							public void run() {
-								if (data == null) {
-									// TODO warn user about failure
-									return;
-								}
-								// open basic vmx editor
-								byte[] bytes;
-								if(data.machineDescription.hasArray()) {
-								    bytes = data.machineDescription.array();
-								} else {
-								    bytes = new byte[data.machineDescription.remaining()];
-								    data.machineDescription.get(bytes);
-								}
-								String dataString = new String(bytes, java.nio.charset.StandardCharsets.UTF_8);
-								VmxEditorWindow.open(me, new VmxChangedCallback() {
-									@Override
-									public void vmxChanged(String newVmx) {
-										// TODO save it 
-									}
-								}, dataString);								
-							}
-						});
-					}
-				});
-			}
-		});
+
 		btnPermissions.addActionListener(new ActionListener() {
 			@Override
 			public void actionPerformed(ActionEvent arg0) {
@@ -280,6 +250,9 @@ public class ImageDetailsWindow extends ImageDetailsWindowLayout implements UiFe
 				if (e.getSource().equals(mnuDelete)) {
 					deleteVersions(tblVersions.getSelectedItems());
 				}
+				if (e.getSource().equals(mnuVmConfig)) {
+					editVmConfig(selected);
+				}
 				if (e.getSource().equals(mnuExtendExpiryDate)) {
 					extendVersionExpiry(tblVersions.getSelectedItems());
 				}
@@ -288,6 +261,7 @@ public class ImageDetailsWindow extends ImageDetailsWindowLayout implements UiFe
 		});
 		pop.addMenuItem(mnuNewLecture);
 		pop.addMenuItem(mnuDownload);
+		pop.addMenuItem(mnuVmConfig);
 		pop.addSeparator();
 		pop.addMenuItem(mnuDelete);
 		if (Session.canExtendImageExpiry()) {
@@ -346,6 +320,8 @@ public class ImageDetailsWindow extends ImageDetailsWindowLayout implements UiFe
 								&& ImagePerms.canLink(image));
 						mnuDownload.setEnabled(!multiSelection && tblVersions.getSelectedItem().isValid
 								&& ImagePerms.canDownload(image));
+						mnuVmConfig.setEnabled(!multiSelection && tblVersions.getSelectedItem().isValid
+								&& ImagePerms.canEdit(image));
 						mnuDelete.setEnabled(ImagePerms.canEdit(image));
 						mnuExtendExpiryDate.setEnabled(multiSelection
 								|| tblVersions.getSelectedItem().isValid);
@@ -400,6 +376,51 @@ public class ImageDetailsWindow extends ImageDetailsWindowLayout implements UiFe
 		cboShareMode.setEnabled(false);
 	}
 
+	private void editVmConfig(final ImageVersionDetails selected) {
+		QuickTimer.scheduleOnce(new Task() {
+			ByteBuffer machineDescription = null;
+			@Override
+			public void fire() {
+				try {
+					machineDescription = ThriftManager.getSatClient().getImageVersionVirtConfig(Session.getSatelliteToken(), selected.versionId);
+				} catch (TException e) {
+					LOGGER.error("Failed to retrieve virtualizer config for image version "
+							+ "'" + image.latestVersionId + ", see trace: ", e);
+				}
+				Gui.asyncExec(new Runnable() {
+					@Override
+					public void run() {
+						if (machineDescription == null) {
+							Gui.showMessageBox("Konnte VM-Konfiguration nicht abrufen.", MessageType.ERROR, LOGGER, null);
+							return;
+						}
+						byte[] bytes = ThriftUtil.unwrapByteBuffer(machineDescription);
+						BufferedReader reader;
+						StringBuffer content = new StringBuffer("");
+						try {
+							reader = VmwareConfig.getVmxReader(bytes, bytes.length);
+							String line="";
+							while ((line=reader.readLine()) != null) {
+								content.append(line + "\n");
+							}
+							reader.close();
+						} catch (IOException e) {
+							LOGGER.error("Could not get a reader for byte[] !?");
+						}
+						VirtConfigEditorWindow.open(me, new VirtConfigChanged() {
+							@Override
+							public void virtConfigChanged(String newMachineDescription) {
+								if (newMachineDescription == null || newMachineDescription.isEmpty())
+									return;
+								actionHandler.setVirtualizerConfig(selected.versionId, newMachineDescription);
+							}
+						}, content.toString());
+					}
+				});
+			}
+		});
+	}
+
 	/********************************************************************************
 	 * 
 	 * Helper triggering the actual thrift calls
@@ -623,6 +644,8 @@ public class ImageDetailsWindow extends ImageDetailsWindowLayout implements UiFe
 			refresh(true);
 		}
 	}
+	
+
 
 	/********************************************************************************
 	 * 
diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/VirtConfigEditorWindow.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/VirtConfigEditorWindow.java
new file mode 100644
index 00000000..4a10e776
--- /dev/null
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/VirtConfigEditorWindow.java
@@ -0,0 +1,80 @@
+package org.openslx.dozmod.gui.window;
+
+import java.awt.Window;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import org.apache.log4j.Logger;
+import org.openslx.dozmod.gui.Gui;
+import org.openslx.dozmod.gui.helper.MessageType;
+import org.openslx.dozmod.gui.helper.TextChangeListener;
+import org.openslx.dozmod.gui.helper.UiFeedback;
+import org.openslx.dozmod.gui.window.layout.VirtConfigEditorWindowLayout;
+
+
+@SuppressWarnings("serial")
+public class VirtConfigEditorWindow extends VirtConfigEditorWindowLayout implements UiFeedback {
+	
+	private final static Logger LOGGER = Logger.getLogger(VirtConfigEditorWindow.class);
+	
+	public interface VirtConfigChanged {
+		public void virtConfigChanged(String newVmx);
+	}
+	private final String originalMachineDescription;
+	private final VirtConfigEditorWindow me = this;
+
+	protected VirtConfigEditorWindow(Window modalParent, final VirtConfigChanged cb, final String machineDescription) {
+		super(modalParent);
+		originalMachineDescription = machineDescription;
+
+		// listener for the text fields
+		pnlEditor.getDocument().addDocumentListener(new TextChangeListener() {
+			@Override
+			public void changed() {
+				btnSave.setEnabled(!originalMachineDescription.equals(pnlEditor.getText()));;
+			}
+		});
+		
+		btnSave.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				cb.virtConfigChanged(pnlEditor.getText());
+				// above command throws exception
+				dispose();
+			}
+		});
+
+		btnCancel.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				safeClose();
+			}
+		});
+		// finally set the editor's content to the vmx
+		pnlEditor.setText(machineDescription);
+		pnlEditor.setCaretPosition(0);
+	}
+
+	public static void open(Window modalParent, final VirtConfigChanged cb, final String machineDescription) {
+		VirtConfigEditorWindow win = new VirtConfigEditorWindow(modalParent, cb, machineDescription);
+		win.setVisible(true);
+	}
+
+	private void safeClose() {
+		if (originalMachineDescription.equals(pnlEditor.getText()) ||
+				Gui.showMessageBox(me, "Ihre Änderungen werden verloren gehen, wollen Sie trotzdem abbrechen?", MessageType.QUESTION_YESNO,
+						LOGGER, null))
+			dispose();
+	}
+
+	@Override
+	public boolean wantConfirmQuit() {
+		return !originalMachineDescription.equals(pnlEditor.getText());
+	}
+
+	@Override
+	public void escapePressed() {
+		safeClose();
+	}
+
+}
\ No newline at end of file
diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/VmxEditorWindow.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/VmxEditorWindow.java
deleted file mode 100644
index a1502356..00000000
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/VmxEditorWindow.java
+++ /dev/null
@@ -1,67 +0,0 @@
-package org.openslx.dozmod.gui.window;
-
-import java.awt.Window;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-
-import org.apache.log4j.Logger;
-import org.openslx.dozmod.gui.Gui;
-import org.openslx.dozmod.gui.helper.MessageType;
-import org.openslx.dozmod.gui.helper.UiFeedback;
-import org.openslx.dozmod.gui.window.layout.VmxEditorWindowLayout;
-
-
-@SuppressWarnings("serial")
-public class VmxEditorWindow extends VmxEditorWindowLayout implements UiFeedback {
-	
-	private final static Logger LOGGER = Logger.getLogger(VmxEditorWindow.class);
-	
-	public interface VmxChangedCallback {
-		public void vmxChanged(String newVmx);
-	}
-	private final String originalVmx;
-	private final VmxEditorWindow me = this;
-
-	protected VmxEditorWindow(Window modalParent, final VmxChangedCallback cb, String vmx) {
-		super(modalParent, vmx);
-		originalVmx = vmx;
-		btnSave.addActionListener(new ActionListener() {
-			@Override
-			public void actionPerformed(ActionEvent e) {
-				// TODO callback to the main window to save the contents
-				cb.vmxChanged(pnlEditor.getText());
-			}
-		});
-
-		btnCancel.addActionListener(new ActionListener() {
-			@Override
-			public void actionPerformed(ActionEvent e) {
-				String newData = pnlEditor.getText();
-				if (newData == null) {
-					LOGGER.debug("Error while getting the text from the editor...");
-					return;
-				}
-				if (originalVmx != pnlEditor.getText()) {
-					if (Gui.showMessageBox(me, "Ihre Änderungen werden verloren gehen, wollen Sie trotzdem fortfahren?", MessageType.QUESTION_YESNO,
-							LOGGER, null))
-						dispose();
-				}
-			}
-		});
-	}
-
-	public static void open(Window modalParent, final VmxChangedCallback cb, String vmx) {
-		VmxEditorWindow win = new VmxEditorWindow(modalParent, cb, vmx);
-		win.setVisible(true);
-	}
-
-	@Override
-	public boolean wantConfirmQuit() {
-		return false;
-	}
-
-	@Override
-	public void escapePressed() {
-		dispose();
-	}
-}
\ No newline at end of file
diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/layout/ImageDetailsWindowLayout.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/layout/ImageDetailsWindowLayout.java
index 311f8f47..43904c42 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/layout/ImageDetailsWindowLayout.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/layout/ImageDetailsWindowLayout.java
@@ -64,7 +64,6 @@ public abstract class ImageDetailsWindowLayout extends JDialog {
 	protected final JButton btnUploadToMaster;
 	protected final JButton btnClose;
 
-	protected final JButton btnEditVmx;
 	protected final JButton btnShowLinkingLectures;
 	protected final QLabel lblLinkedLectureCount;
 
@@ -179,10 +178,8 @@ public abstract class ImageDetailsWindowLayout extends JDialog {
 
 		// virtualizer
 		lblVirtualizer = new QLabel();
-		btnEditVmx = new JButton("VMX Editieren");
 		grid.add(new QLabel("Virtualisierer"));
 		grid.add(lblVirtualizer, 2).expand(true, false).fill(true, false);
-		//grid.add(btnEditVmx);
 		grid.nextRow();
 
 		btnPermissions = new JButton("Berechtigungen");
diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/layout/VmxEditorWindowLayout.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/layout/VirtConfigEditorWindowLayout.java
index 4b502d16..7611f870 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/layout/VmxEditorWindowLayout.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/layout/VirtConfigEditorWindowLayout.java
@@ -1,6 +1,7 @@
 package org.openslx.dozmod.gui.window.layout;
 
 import java.awt.Dimension;
+import java.awt.Insets;
 import java.awt.Window;
 
 import javax.swing.BorderFactory;
@@ -9,29 +10,38 @@ import javax.swing.BoxLayout;
 import javax.swing.JButton;
 import javax.swing.JDialog;
 import javax.swing.JEditorPane;
+import javax.swing.JLabel;
 import javax.swing.JPanel;
+import javax.swing.JScrollPane;
 
 import org.openslx.dozmod.gui.Gui;
 import org.openslx.dozmod.gui.helper.GridManager;
 
 @SuppressWarnings("serial")
-public class VmxEditorWindowLayout extends JDialog {
+public class VirtConfigEditorWindowLayout extends JDialog {
 
-	private static String title = "VMX Editor (nur für erfahrene Anwender!)";
+	private static String title = "VM-Konfiguration Editor";
+	protected final JScrollPane pnlScrollPane;
 	protected final JEditorPane pnlEditor;
 	protected final JButton btnSave;
 	protected final JButton btnCancel;
-	
-	protected VmxEditorWindowLayout(Window modalParent, String vmx) {
+
+	protected VirtConfigEditorWindowLayout(Window modalParent) {
 		super(modalParent, title, modalParent != null ? ModalityType.APPLICATION_MODAL
 				: ModalityType.MODELESS);
 
-		GridManager grid = new GridManager(this, 1);
-
-		pnlEditor = new JEditorPane("text/plain", vmx);
-		grid.add(pnlEditor).expand(true, true).fill(true, true);
+		GridManager grid = new GridManager(this, 1, true, new Insets(2, 2, 2, 2));
+		JPanel pnlWarning = new JPanel();
+		pnlWarning.setBorder(BorderFactory.createTitledBorder("WARNUNG"));
+		pnlWarning.add(new JLabel("<html>Änderungen an der VM-Konfiguration können zu Funktionsstörungen führen.<br>Benutzung auf eigene Gefahr!</html>"));
+		pnlEditor = new JEditorPane("text/plain", null);
+		pnlScrollPane = new JScrollPane(pnlEditor, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
+				JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
+		grid.add(pnlWarning).fill(true, false).expand(true, false);
+		grid.nextRow();
+		grid.add(pnlScrollPane).expand(true, true).fill(true, true);
 		grid.nextRow();
-		
+
 		JPanel buttonPane = new JPanel();
 		buttonPane.setLayout(new BoxLayout(buttonPane, BoxLayout.LINE_AXIS));
 		buttonPane.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
@@ -39,13 +49,13 @@ public class VmxEditorWindowLayout extends JDialog {
 		btnCancel = new JButton("Abbrechen");
 		buttonPane.add(btnCancel);
 		buttonPane.add(Box.createRigidArea(new Dimension(10, 0)));
-		btnSave = new JButton("Übernehmen");
+		btnSave = new JButton("Speichern");
 		buttonPane.add(btnSave);
 		grid.add(buttonPane).fill(true, false).expand(true, false);;
 		grid.finish(false);
-		
-		setPreferredSize(Gui.getScaledDimension(500, 400));
-		setMinimumSize(Gui.getScaledDimension(350, 300));
+
+		setPreferredSize(Gui.getScaledDimension(650, 750));
+		setMinimumSize(Gui.getScaledDimension(550, 650));
 		Gui.centerShellOverShell(modalParent, this);
 	}
 }
diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/ImageDetailsActions.java b/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/ImageDetailsActions.java
index a2183b23..8d10abab 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/ImageDetailsActions.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/ImageDetailsActions.java
@@ -17,6 +17,7 @@ public interface ImageDetailsActions {
 	public void getImageDetails(final String imageBaseId, final ImageMetaCallback callback);
 	public boolean setImageOwner(final String imageBaseId, final UserInfo user);
 	public void updateImageBase(final String imageBaseId, final ImageBaseWrite data) throws TException, TAuthorizationException, TNotFoundException, TInvocationException;
+	public void setVirtualizerConfig(final String imageVersionId, final String machineDescription);
 	public void writeImagePermissions(final String imageBaseId, Map<String, ImagePermissions> customPermissions) throws TException, TAuthorizationException, TNotFoundException, TInvocationException;
 	public void deleteImageVersion(final ImageVersionDetails version, final DeleteCallback callback);
 	public boolean isImagePublishSupported();
diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/ImageLocalDetailsActions.java b/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/ImageLocalDetailsActions.java
index a1662fbd..1070017d 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/ImageLocalDetailsActions.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/ImageLocalDetailsActions.java
@@ -1,6 +1,8 @@
 package org.openslx.dozmod.thrift;
 
 import java.awt.Frame;
+import java.nio.ByteBuffer;
+import java.nio.charset.StandardCharsets;
 import java.util.Map;
 
 import org.apache.log4j.Logger;
@@ -14,8 +16,10 @@ import org.openslx.bwlp.thrift.iface.TInvocationException;
 import org.openslx.bwlp.thrift.iface.TNotFoundException;
 import org.openslx.bwlp.thrift.iface.UserInfo;
 import org.openslx.dozmod.gui.Gui;
+import org.openslx.dozmod.gui.helper.MessageType;
 import org.openslx.dozmod.thrift.ThriftActions.DeleteCallback;
 import org.openslx.dozmod.thrift.ThriftActions.ImageMetaCallback;
+import org.openslx.thrifthelper.ThriftManager;
 import org.openslx.util.QuickTimer;
 import org.openslx.util.QuickTimer.Task;
 
@@ -93,4 +97,31 @@ public class ImageLocalDetailsActions implements ImageDetailsActions {
 		return Session.isImagePublishSupported();
 	}
 
+	@Override
+	public void setVirtualizerConfig(final String imageVersionId, final String machineDescription) {
+		final ByteBuffer bufferToSave;
+		bufferToSave = ByteBuffer.wrap(machineDescription.getBytes(StandardCharsets.ISO_8859_1));
+		QuickTimer.scheduleOnce(new Task() {
+			ByteBuffer bufferSaved = null;
+			@Override
+			public void fire() {
+				try {
+					bufferSaved = ThriftManager.getSatClient().setImageVersionVirtConfig(Session.getSatelliteToken(), imageVersionId, bufferToSave);
+				} catch (TException e) {
+					ThriftError.showMessage(parent, LOGGER, e, "Fehler beim Speichern der VM-Konfiguration!");
+				}
+				Gui.asyncExec(new Runnable() {
+					@Override
+					public void run() {
+						// check the returned bytebuffer to check if the transfer worked as intended
+						if (!bufferSaved.equals(bufferToSave)) // tested this, seems to works good enough...
+							Gui.showMessageBox("Unvorhergesehener Fehler! Bitte wenden Sie sich an dem Support.",
+									MessageType.ERROR , LOGGER, null);
+						// else we're good.
+					}
+				});
+			}
+		});
+	}
+
 }
diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/ImagePublishedDetailsActions.java b/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/ImagePublishedDetailsActions.java
index 9cdda519..99ebf107 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/ImagePublishedDetailsActions.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/ImagePublishedDetailsActions.java
@@ -66,4 +66,10 @@ public class ImagePublishedDetailsActions implements ImageDetailsActions {
 	public boolean isImagePublishSupported() {
 		return false;
 	}
+
+	@Override
+	public void setVirtualizerConfig(String imageVersionId,
+			String machineDescription) {
+		return;
+	}
 }