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package org.openslx.runvirt.plugin.qemu.configuration;
import org.openslx.firmware.FirmwareException;
import org.openslx.firmware.QemuFirmwareUtil;
import org.openslx.libvirt.domain.Domain;
import org.openslx.runvirt.plugin.qemu.cmdln.CommandLineArgs;
import org.openslx.runvirt.plugin.qemu.virtualization.LibvirtHypervisorQemu;
import org.openslx.virtualization.configuration.transformation.TransformationException;
import org.openslx.virtualization.configuration.transformation.TransformationSpecific;
/**
* Specific firmware transformation for Libvirt/QEMU virtualization configurations.
*
* @author Manuel Bentele
* @version 1.0
*/
public class TransformationSpecificQemuFirmware
extends TransformationSpecific<Domain, CommandLineArgs, LibvirtHypervisorQemu>
{
/**
* Name of the configuration transformation.
*/
private static final String NAME = "QEMU Firmware [Seabios, UEFI (OVMF)]";
/**
* Creates a new firmware transformation for Libvirt/QEMU virtualization configurations.
*
* @param hypervisor Libvirt/QEMU hypervisor.
*/
public TransformationSpecificQemuFirmware( LibvirtHypervisorQemu virtualizer )
{
super( TransformationSpecificQemuFirmware.NAME, virtualizer );
}
/**
* Validates a virtualization configuration and input arguments for this transformation.
*
* @param config virtualization configuration for the validation.
* @param args input arguments for the validation.
* @throws TransformationException validation has failed.
*/
private void validateInputs( Domain config, CommandLineArgs args ) throws TransformationException
{
if ( config == null || args == null ) {
throw new TransformationException( "Virtualization configuration or input arguments are missing!" );
} else if ( args.getFirmware() == null || args.getFirmware().isEmpty() ) {
throw new TransformationException( "Path to QEMU firmware specifications directory is not specified!" );
}
}
@Override
public void transform( Domain config, CommandLineArgs args ) throws TransformationException
{
// validate configuration and input arguments
this.validateInputs( config, args );
// get OS loader from VM
final String sourceOsLoader = config.getOsLoader();
// get OS architecture from VM
final String sourceOsArch = config.getOsArch();
// get OS machine type from VM
final String sourceOsMachine = config.getOsMachine();
// check if OS loader is specified
if ( sourceOsLoader != null && !sourceOsLoader.isEmpty() ) {
// OS loader is specified so transform path to specified firmware path
// First, lookup QEMU firmware loader for target
String targetOsLoader = null;
try {
targetOsLoader = QemuFirmwareUtil.lookupTargetOsLoader( args.getFirmware(), sourceOsLoader, sourceOsArch,
sourceOsMachine );
} catch ( FirmwareException e ) {
throw new TransformationException( e.getLocalizedMessage() );
}
// Second, set target QEMU firmware loader if specified
if ( targetOsLoader != null && !targetOsLoader.isEmpty() ) {
config.setOsLoader( targetOsLoader );
}
}
}
}
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