/*************************************************************************
* Copyright 2009-2015 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
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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*
* 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., 6755 Hollister Ave., Goleta
* CA 93117, 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 permission notice:
*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Regents of the University of California
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* NEEDED TO COMPLY WITH ANY SUCH LICENSES OR RIGHTS.
************************************************************************/
package com.eucalyptus.cluster.callback;
import javax.persistence.EntityTransaction;
import org.apache.log4j.Logger;
import com.eucalyptus.cloud.VmInstanceToken;
import com.eucalyptus.cluster.common.msgs.VmRunType;
import com.eucalyptus.cluster.common.internal.ResourceState.NoSuchTokenException;
import com.eucalyptus.entities.Entities;
import com.eucalyptus.network.NetworkGroups;
import com.eucalyptus.records.Logs;
import com.eucalyptus.util.EucalyptusClusterException;
import com.eucalyptus.util.Exceptions;
import com.eucalyptus.util.LogUtil;
import com.eucalyptus.util.async.MessageCallback;
import com.eucalyptus.compute.common.internal.vm.VmInstance;
import com.eucalyptus.compute.common.internal.vm.VmInstance.VmState;
import com.eucalyptus.vm.VmInstances;
import com.google.common.base.Function;
import com.google.common.base.Functions;
import com.google.common.base.Predicate;
import com.eucalyptus.cluster.common.msgs.VmInfo;
import com.eucalyptus.cluster.common.msgs.VmRunResponseType;
public class VmRunCallback extends MessageCallback<VmRunType, VmRunResponseType> {
private static Logger LOG = Logger.getLogger( VmRunCallback.class );
private final VmInstanceToken token;
public VmRunCallback( final VmRunType msg, final VmInstanceToken token ) {
super( msg );
this.token = token;
LOG.debug( this.token );
}
@Override
public void initialize( final VmRunType msg ) {
LOG.debug( this.token + ":" + msg );
final EntityTransaction db = Entities.get( VmInstance.class );
try {
final VmInstance vm = VmInstances.lookupAny( msg.getInstanceId( ) );
msg.setUserId( vm.getOwnerUserId( ) );
msg.setOwnerId( vm.getOwnerUserId( ) );
msg.setAccountId( vm.getOwnerAccountNumber( ) );
if ( !VmState.PENDING.apply( vm) ) {
throw new EucalyptusClusterException( "Intercepted a RunInstances request for an instance with unexpected state: " + vm.getState( ) );
}
db.rollback( );
} catch ( final Exception e ) {
if ( !Exceptions.isCausedBy( e, EucalyptusClusterException.class ) ) {
LOG.error( e );
}
Logs.extreme( ).error( e, e );
db.rollback( );
try {
this.token.abort( );
} catch ( Exception ex ) {
LOG.error( ex );
Logs.extreme( ).error( ex, ex );
}
throw new EucalyptusClusterException( "Error while initializing request state: " + this.getRequest( ), e );
} finally {
if ( db.isActive( ) ) db.rollback( );
}
try {
this.token.submit( );
} catch ( final NoSuchTokenException e2 ) {
LOG.error( e2 );
Logs.extreme( ).error( e2, e2 );
}
}
@Override
public void fire( final VmRunResponseType reply ) {
Logs.extreme( ).error( reply );
try {
this.token.redeem( );
} catch ( Exception ex ) {
LOG.error( this.token + ": " + ex );
Logs.extreme( ).error( this.token + ": " + ex, ex );
}
final Function<VmInfo, Boolean> updateInstance = new Function<VmInfo, Boolean>( ) {
@Override
public Boolean apply( final VmInfo input ) {
final VmInstance vm = VmInstances.lookup( input.getInstanceId( ) );
try {
VmInstances.setServiceTag( vm, input.getServiceTag( ) );
} catch ( Exception ex ) {
LOG.error( VmRunCallback.this.token + ": " + ex );
Logs.extreme( ).error( VmRunCallback.this.token + ": " + ex, ex );
}
return true;
}
};
for ( final VmInfo vmInfo : reply.getVms( ) ) {
if ( this.token.getInstanceId( ).equals( vmInfo.getInstanceId( ) ) ) {
try {
Entities.asTransaction( VmInstance.class, updateInstance, 10 ).apply( vmInfo );
NetworkGroups.flushRules( );
break;
} catch ( RuntimeException ex ) {
LOG.error( "Failed: " + this.token + " because of " + ex.getMessage( ), ex );
throw ex;
}
}
throw new EucalyptusClusterException( "ccRunInstancesResponse: does not contain requested instance information for: "
+ this.token.getInstanceId( )
+ " but return status is "
+ reply.get_return( )
+ "\nccRunInstancesResponse:vms="
+ reply.getVms( ) );
}
}
@Override
public void fireException( final Throwable e ) {
LOG.debug( LogUtil.header( "Failing run instances because of: " + e.getMessage( ) ), e );
LOG.debug( LogUtil.subheader( VmRunCallback.this.getRequest( ).toString( ) ) );
Predicate<Throwable> rollbackToken = new Predicate<Throwable>( ) {
@Override
public boolean apply( Throwable input ) {
LOG.debug( "-> Release resource tokens for unused resources." );
try {
VmRunCallback.this.token.abort( );
} catch ( final Exception ex ) {
LOG.error( ex.getMessage( ) );
Logs.extreme( ).error( ex, ex );
}
return true;
}
};
try {
Entities.asTransaction( VmInstance.class, Functions.forPredicate( rollbackToken ) ).apply( e );
} catch ( Exception ex ) {
Logs.extreme( ).error( ex, ex );
}
}
@Override
public String toString( ) {
return "VmRunCallback " + this.token;
}
}