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package org.openslx.runvirt.virtualization;
import java.io.Closeable;
import org.libvirt.Connect;
import org.libvirt.LibvirtException;
import org.openslx.libvirt.capabilities.Capabilities;
import org.openslx.libvirt.xml.LibvirtXmlDocumentException;
import org.openslx.libvirt.xml.LibvirtXmlSerializationException;
import org.openslx.libvirt.xml.LibvirtXmlValidationException;
public abstract class LibvirtHypervisor implements Closeable
{
protected Connect hypervisor = null;
public LibvirtHypervisor( String connectionUri ) throws LibvirtHypervisorException
{
this.connect( connectionUri );
}
protected void connect( String connectionUri ) throws LibvirtHypervisorException
{
try {
this.hypervisor = new Connect( connectionUri );
} catch ( LibvirtException e ) {
throw new LibvirtHypervisorException( e.getLocalizedMessage() );
}
}
public Capabilities getCapabilites() throws LibvirtHypervisorException
{
Capabilities hypervisorCapabilities = null;
try {
final String hypervisorCapabilitiesString = this.hypervisor.getCapabilities();
hypervisorCapabilities = new Capabilities( hypervisorCapabilitiesString );
} catch ( LibvirtException | LibvirtXmlDocumentException | LibvirtXmlSerializationException
| LibvirtXmlValidationException e ) {
throw new LibvirtHypervisorException( e.getLocalizedMessage() );
}
return hypervisorCapabilities;
}
public int getVersion() throws LibvirtHypervisorException
{
int hypervisorVersion = 0;
try {
final long hypervisorVersionLong = this.hypervisor.getVersion();
hypervisorVersion = Long.valueOf( hypervisorVersionLong ).intValue();
} catch ( LibvirtException e ) {
throw new LibvirtHypervisorException( e.getLocalizedMessage() );
}
return hypervisorVersion;
}
public LibvirtVirtualMachine registerVm( org.openslx.libvirt.domain.Domain vmConfiguration )
throws LibvirtHypervisorException
{
final String xmlVmConfiguration = vmConfiguration.toString();
org.libvirt.Domain libvirtDomain = null;
try {
libvirtDomain = this.hypervisor.domainDefineXML( xmlVmConfiguration );
} catch ( LibvirtException e ) {
throw new LibvirtHypervisorException( e.getLocalizedMessage() );
}
return new LibvirtVirtualMachine( libvirtDomain );
}
public void deregisterVm( LibvirtVirtualMachine vm )
throws LibvirtHypervisorException, LibvirtVirtualMachineException
{
// stop virtual machine if machine is running
if ( vm.isRunning() ) {
vm.stop();
}
// deregister and remove virtual machine from hypervisor
try {
vm.getLibvirtDomain().undefine();
} catch ( LibvirtException e ) {
throw new LibvirtHypervisorException( e.getLocalizedMessage() );
}
}
@Override
public void close()
{
try {
this.hypervisor.close();
} catch ( LibvirtException e ) {
e.printStackTrace();
}
}
}
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