/*******************************************************************************
*Copyright (c) 2009 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, only version 3 of the License.
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Please contact Eucalyptus Systems, Inc., 130 Castilian
* Dr., Goleta, CA 93101 USA or visit <http://www.eucalyptus.com/licenses/>
* if you need additional information or have any questions.
*
* This file may incorporate work covered under the following copyright and
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*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Regents of the University of California
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*******************************************************************************/
/*
* Author: chris grzegorczyk <grze@eucalyptus.com>
*/
package com.eucalyptus.cluster.callback;
import java.util.NoSuchElementException;
import org.apache.log4j.Logger;
import com.eucalyptus.address.Address;
import com.eucalyptus.address.Addresses;
import com.eucalyptus.address.ClusterAddressInfo;
import com.eucalyptus.address.Address.Transition;
import com.eucalyptus.cluster.VmInstance;
import com.eucalyptus.cluster.VmInstances;
import com.eucalyptus.records.EventRecord;
import com.eucalyptus.records.EventType;
import com.eucalyptus.util.LogUtil;
import edu.ucsb.eucalyptus.msgs.UnassignAddressResponseType;
import edu.ucsb.eucalyptus.msgs.UnassignAddressType;
public class UnassignAddressCallback extends QueuedEventCallback<UnassignAddressType, UnassignAddressResponseType> {
private static Logger LOG = Logger.getLogger( UnassignAddressCallback.class );
private Address address;
public UnassignAddressCallback( String addr, String vmIp ) {
super.setRequest( new UnassignAddressType( addr, vmIp ) );
try {
this.address = Addresses.getInstance( ).lookup( addr );
} catch ( Exception e ) {
this.address = Addresses.getInstance( ).lookupDisabled( addr );
}
}
public UnassignAddressCallback( String addr ) {
this( addr, Addresses.getInstance( ).lookup( addr ).getInstanceAddress( ) );
}
public UnassignAddressCallback( ClusterAddressInfo addrInfo ) {
this( addrInfo.getAddress( ), addrInfo.getInstanceIp( ) );
}
public UnassignAddressCallback( final Address address ) {
this( address.getName( ), address.getInstanceAddress( ) );
}
@Override
public void prepare( UnassignAddressType msg ) throws Exception {
if ( this.address.isAssigned( ) && this.address.isPending( ) ) {
EventRecord.here( UnassignAddressCallback.class, EventType.ADDRESS_UNASSIGNING, Transition.unassigning.toString( ), address.toString( ) ).info( );
}
}
public void clearVmAddress( ) {
try {
VmInstance vm = VmInstances.getInstance( ).lookupByInstanceIp( super.getRequest( ).getDestination( ) );
if ( vm.getPublicAddress( ) == super.getRequest( ).getSource( ) ) {
vm.updatePublicAddress( vm.getPrivateAddress( ) );
}
} catch ( NoSuchElementException e ) {} catch ( Throwable t ) {
LOG.debug( t, t );
}
}
@Override
public void verify( UnassignAddressResponseType reply ) {
this.clearVmAddress( );
if ( reply.get_return( ) ) {
EventRecord.here( UnassignAddressCallback.class, EventType.ADDRESS_UNASSIGN, address.toString( ) ).info( );
} else {
EventRecord.here( UnassignAddressCallback.class, EventType.ADDRESS_STATE, "broken", address.toString( ) ).warn( );
}
try {
this.address.clearPending( );
} catch ( Throwable t ) {
LOG.warn( t.getMessage( ) );
EventRecord.here( UnassignAddressCallback.class, EventType.ADDRESS_STATE, "broken", address.toString( ) ).warn( );
LOG.trace( t, t );
} finally {
if ( !this.address.isPending( ) && this.address.isSystemOwned( ) && Address.UNASSIGNED_INSTANCEID.equals( this.address.getInstanceId( ) ) ) {
try {
this.address.release( );
} catch ( Throwable t ) {
LOG.warn( "Failed to release orphan address: " + this.address );
}
}
}
}
@Override
public void fail( Throwable e ) {
try {
VmInstance vm = VmInstances.getInstance( ).lookupByInstanceIp( super.getRequest( ).getDestination( ) );
vm.updatePublicAddress( VmInstance.DEFAULT_IP );
} catch ( Throwable t ) {
LOG.debug( t, t );
} finally {
if ( this.address.isPending( ) ) {
this.address.clearPending( );
}
}
LOG.error( e, e );
LOG.warn( "Address potentially in an inconsistent state: " + LogUtil.dumpObject( this.address ) );
}
}