/*******************************************************************************
*Copyright (c) 2009 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
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* 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.
*
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* Software License Agreement (BSD License)
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* 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.List;
import java.util.NoSuchElementException;
import java.util.Set;
import org.apache.log4j.Logger;
import com.eucalyptus.address.Address;
import com.eucalyptus.address.Addresses;
import com.eucalyptus.cluster.Clusters;
import com.eucalyptus.cluster.Networks;
import com.eucalyptus.cluster.VmInstance;
import com.eucalyptus.cluster.VmInstances;
import com.eucalyptus.util.EucalyptusClusterException;
import com.eucalyptus.util.Exceptions;
import com.eucalyptus.util.LogUtil;
import com.eucalyptus.vm.SystemState.Reason;
import com.eucalyptus.vm.VmState;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import edu.ucsb.eucalyptus.cloud.Network;
import edu.ucsb.eucalyptus.cloud.NetworkToken;
import edu.ucsb.eucalyptus.cloud.ResourceToken;
import edu.ucsb.eucalyptus.cloud.VmInfo;
import edu.ucsb.eucalyptus.cloud.VmRunResponseType;
import edu.ucsb.eucalyptus.cloud.VmRunType;
public class VmRunCallback extends QueuedEventCallback<VmRunType,VmRunResponseType> {
private static Logger LOG = Logger.getLogger( VmRunCallback.class );
private ResourceToken token;
public VmRunCallback( final VmRunType msg, final ResourceToken token ) {
this.token = token;
this.setRequest( msg );
}
public void prepare( final VmRunType msg ) throws Exception {
// LOG.trace( LogUtil.subheader( msg.toString( ) ) );
for( String vmId : msg.getInstanceIds( ) ) {
try {
VmInstance vm = VmInstances.getInstance( ).lookup( vmId );
if( !VmState.PENDING.equals( vm.getState( ) ) ) {
throw new EucalyptusClusterException("Intercepted a RunInstances request for an instance which has meanwhile been terminated." );
}
} catch ( Exception e ) {
LOG.debug( e, e );
}
}
try {
Clusters.getInstance().lookup( token.getCluster() ).getNodeState().submitToken( token );
} catch ( Exception e2 ) {
LOG.debug( e2, e2 );
throw e2;
}
}
@Override
public void verify( VmRunResponseType reply ) throws Exception {
try {
Clusters.getInstance().lookup( token.getCluster() ).getNodeState().redeemToken( token );
} catch ( Throwable e ) {
this.fail( e );
LOG.debug( e, e );
return;
}
try {
if ( reply != null && reply.getVms( ).isEmpty( ) ) {
this.fail( new EucalyptusClusterException( "Failed to run the requested instances because the request was rejected: " + token.toString( ) ) );
} else if ( reply != null && !reply.getVms( ).isEmpty( ) ) {
Set<String> liveIds = Sets.newHashSet( );
for ( VmInfo vmInfo : reply.getVms() ) {
liveIds.add( vmInfo.getInstanceId( ) );
try {
VmInstance vm = VmInstances.getInstance().lookup( vmInfo.getInstanceId() );
vm.updateAddresses( vmInfo.getNetParams().getIpAddress(), vmInfo.getNetParams().getIgnoredPublicIp() );
vm.clearPending( );
} catch ( Throwable ex ) {
Exceptions.eat( "UNIDENTIFIED VM: " + vmInfo.toString( ) );
}
}
Set<String> requestIds = Sets.newHashSet( token.getInstanceIds( ) );
requestIds.removeAll( liveIds );
for( String id : requestIds ) {
int idx = token.getInstanceIds( ).indexOf( id );
try {
VmInstance vm = VmInstances.getInstance().lookup( id );
vm.clearPending( );
vm.setState( VmState.TERMINATED, Reason.FAILED, "This instance failed to be run by the CC." );
LOG.error( "Failed virtual machine: " + vm.toString( ) );
} catch ( Throwable ex ) {
LOG.trace( "Failed virtual machine: " + id );
}
if( idx > 0 && token.getAddresses( ).size( ) > idx ) {
try {
String addr = token.getAddresses( ).get( idx );
LOG.warn( "Failed virtual machine: " + id + " releasing address: " + addr );
Addresses.getInstance( ).lookup( addr ).release( );
} catch ( Throwable ex ) {
LOG.error( ex , ex );
}
}
}
} else {
this.fail( new EucalyptusClusterException( "RunInstances returned false." + this.getRequest( ) ) );
}
} catch ( Exception e ) {
LOG.debug( e, e );
throw e;
}
}
@Override
public void fail( Throwable e ) {
LOG.debug( LogUtil.header( "Failing run instances because of: " + e.getMessage( ) ), e );
LOG.debug( LogUtil.subheader( this.getRequest( ).toString( ) ) );
for( String addr : this.token.getAddresses() ) {
try {
LOG.debug( "-> Release addresses from failed vm run allocation: " + addr );
Addresses.getInstance().lookup( addr ).release( );
} catch ( NoSuchElementException e1 ) {
LOG.debug( "-> Failed to release addresses from failed vm run allocation: " + addr );
}
}
LOG.debug( "-> Release network index allocation." );
if( this.token.getPrimaryNetwork( ) != null ) {
try {
NetworkToken net = this.token.getPrimaryNetwork( );
Network network = Networks.getInstance( ).lookup( net.getName( ) );
for( Integer index : this.token.getPrimaryNetwork( ).getIndexes( ) ) {
network.returnNetworkIndex( index );
}
} catch ( Throwable e2 ) {
LOG.debug( e2, e2 );
}
}
LOG.debug( "-> Release resource tokens for unused resources." );
try {
Clusters.getInstance().lookup( token.getCluster() ).getNodeState().releaseToken( token );
} catch ( Throwable e2 ) {
LOG.debug( e2, e2 );
}
}
}