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package org.openslx.dozmod.util;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.openslx.dozmod.Branding;
import org.openslx.dozmod.gui.Gui;
import org.openslx.dozmod.gui.helper.I18n;
import org.openslx.dozmod.gui.helper.MessageType;
import org.openslx.thrifthelper.TConst;
import org.openslx.virtualization.configuration.VirtualizationConfigurationException;
import org.openslx.virtualization.disk.DiskImage;
import org.openslx.virtualization.disk.DiskImage.ImageFormat;
import org.openslx.virtualization.disk.DiskImageException;
import java.io.File;
import java.io.IOException;
/**
* This Class handle the unpacking of Images downloaded from
* the server individually (VM-Images, Docker-Images (Container Images)).
*/
public class ImageWrapper {
private static final Logger LOGGER = LogManager.getLogger(ImageWrapper.class);
/**
* @param virtualizerId string constant defined in @link org.openslx.thrifthelper.TConst
* @param tmpDiskFile dont no! Maybe the part file
* @param imageName The name of the image in the list.
* @param destDir Destination directory on the local host.
* @param osId Operating system identifier of the selected image.
* @param virtualizerConfig raw byte array of virtualizerconfig in imageversion table. Only the Image knows
* how to use it.
*/
public static void unpack(String virtualizerId, File tmpDiskFile, String imageName, File destDir,
int osId, byte[] virtualizerConfig) {
// after the whole image is downloaded and persisted as a .part file,
// this will be executed to unpack it.
String ext = virtualizerId;
boolean imageIsCompressed = false;
ImageFormat imageFormat = null;
// unwrap container image individually
if (virtualizerId.equals(TConst.VIRT_DOCKER)) {
ContainerWrapper.unwrapContainer(tmpDiskFile, imageName, destDir, virtualizerConfig);
} else {
try (DiskImage diskImage = DiskImage.newInstance(tmpDiskFile)) {
imageFormat = diskImage.getFormat();
ext = imageFormat.getExtension();
imageIsCompressed = diskImage.isCompressed();
} catch (IOException | DiskImageException e) {
LOGGER.warn("Could not open/analyze downloaded image", e);
}
if (imageIsCompressed && imageFormat != ImageFormat.QCOW2) {
Gui.asyncMessageBox(
I18n.THRIFT.getString("ThriftActions.Message.warning.diskImageCompressed", imageName,
Branding.getServiceFAQWebsite()), MessageType.WARNING, null, null);
}
File destImage = new File(destDir.getAbsolutePath(), VmWrapper.generateFilename(imageName, ext));
destImage.delete();
if (!tmpDiskFile.renameTo(destImage)) {
destImage = tmpDiskFile; // Must be Windows...
}
try (DiskImage diskImage = DiskImage.newInstance(destImage)) {
VmWrapper.wrapVm(destImage, imageName, virtualizerConfig, virtualizerId, osId, diskImage);
} catch (VirtualizationConfigurationException | IOException | DiskImageException e) {
Gui.asyncMessageBox(I18n.THRIFT.getString("ThriftActions.Message.warning.couldNotWrapVM"),
MessageType.WARNING, LOGGER, e);
}
}
}
}
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