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/*******************************************************************************
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*Copyright (c) 2009 Eucalyptus Systems, Inc.
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, only version 3 of the License.
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* This file is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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* Please contact Eucalyptus Systems, Inc., 130 Castilian
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* Dr., Goleta, CA 93101 USA or visit <http://www.eucalyptus.com/licenses/>
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* if you need additional information or have any questions.
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* This file may incorporate work covered under the following copyright and
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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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* All rights reserved.
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* Redistribution and use of this software in source and binary forms, with
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* or without modification, are permitted provided that the following
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. USERS OF
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* THIS SOFTWARE ACKNOWLEDGE THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE
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* LICENSED MATERIAL, COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS
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* SOFTWARE, AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
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* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA, SANTA
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* BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY, WHICH IN
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* THE REGENTS’ DISCRETION MAY INCLUDE, WITHOUT LIMITATION, REPLACEMENT
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* OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO IDENTIFIED, OR
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* WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT NEEDED TO COMPLY WITH
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* ANY SUCH LICENSES OR RIGHTS.
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*******************************************************************************/
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* Author: chris grzegorczyk <grze@eucalyptus.com>
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package com.eucalyptus.cluster;
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import java.security.MessageDigest;
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import java.util.NoSuchElementException;
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import java.util.zip.Adler32;
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import org.apache.log4j.Logger;
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import com.eucalyptus.address.Address;
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import com.eucalyptus.address.AddressCategory;
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import com.eucalyptus.address.Addresses;
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import com.eucalyptus.auth.crypto.Digest;
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import com.eucalyptus.cluster.callback.QueuedEventCallback;
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import com.eucalyptus.cluster.callback.StopNetworkCallback;
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import com.eucalyptus.cluster.callback.TerminateCallback;
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import com.eucalyptus.event.AbstractNamedRegistry;
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import com.eucalyptus.records.EventType;
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import com.eucalyptus.util.EucalyptusCloudException;
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import com.eucalyptus.util.LogUtil;
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import com.eucalyptus.vm.SystemState;
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import com.eucalyptus.vm.VmState;
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import com.eucalyptus.vm.SystemState.Reason;
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import com.eucalyptus.records.EventRecord;
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import edu.ucsb.eucalyptus.cloud.Network;
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import edu.ucsb.eucalyptus.cloud.NetworkToken;
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public class VmInstances extends AbstractNamedRegistry<VmInstance> {
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private static Logger LOG = Logger.getLogger( VmInstances.class );
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private static VmInstances singleton = getInstance( );
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public static VmInstances getInstance( ) {
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synchronized ( VmInstances.class ) {
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if ( singleton == null ) singleton = new VmInstances( );
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public static String getId( Long rsvId, int launchIndex ) {
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MessageDigest digest = Digest.MD5.get( );
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digest.update( Long.toString( rsvId + launchIndex + System.currentTimeMillis( ) ).getBytes( ) );
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Adler32 hash = new Adler32( );
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hash.update( digest.digest( ) );
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vmId = String.format( "i-%08X", hash.getValue( ) );
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} while ( VmInstances.getInstance( ).contains( vmId ) );
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public static String getAsMAC( String instanceId ) {
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String mac = String.format( "d0:0d:%s:%s:%s:%s", instanceId.substring( 2, 4 ), instanceId.substring( 4, 6 ), instanceId.substring( 6, 8 ),
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instanceId.substring( 8, 10 ) );
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public VmInstance lookupByInstanceIp( String ip ) throws NoSuchElementException {
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for ( VmInstance vm : this.listValues( ) ) {
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if ( ip.equals( vm.getPrivateAddress( ) ) && ( VmState.PENDING.equals( vm.getState( ) ) || VmState.RUNNING.equals( vm.getState( ) ) ) ) {
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throw new NoSuchElementException( "Can't find registered object with ip:" + ip + " in " + this.getClass( ).getSimpleName( ) );
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public int countByPublicIp( String ip ) throws NoSuchElementException {
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for ( VmInstance vm : this.listValues( ) ) {
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if ( ip.equals( vm.getPublicAddress( ) ) && ( VmState.PENDING.equals( vm.getState( ) ) || VmState.RUNNING.equals( vm.getState( ) ) ) ) {
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public VmInstance lookupByPublicIp( String ip ) throws NoSuchElementException {
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for ( VmInstance vm : this.listValues( ) ) {
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if ( ip.equals( vm.getPublicAddress( ) ) && ( VmState.PENDING.equals( vm.getState( ) ) || VmState.RUNNING.equals( vm.getState( ) ) ) ) {
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throw new NoSuchElementException( "Can't find registered object with public ip:" + ip + " in " + this.getClass( ).getSimpleName( ) );
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public static UnconditionalCallback getCleanUpCallback( final Address address, final VmInstance vm, final int networkIndex, final String networkFqName, final Cluster cluster ) {
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UnconditionalCallback cleanup = new UnconditionalCallback( ) {
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public void apply( ) {
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if ( address != null ) {
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if ( address.isSystemOwned( ) ) {
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EventRecord.caller( SystemState.class, EventType.VM_TERMINATING, "SYSTEM_ADDRESS", address.toString( ) ).debug( );
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Addresses.release( address );
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EventRecord.caller( SystemState.class, EventType.VM_TERMINATING, "USER_ADDRESS", address.toString( ) ).debug( );
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AddressCategory.unassign( address ).dispatch( address.getCluster( ) );
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} catch ( IllegalStateException e ) {} catch ( Throwable e ) {
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vm.updateNetworkIndex( -1 );
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if ( networkFqName != null ) {
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Network net = Networks.getInstance( ).lookup( networkFqName );
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if ( networkIndex > 0 && vm.getNetworkNames( ).size( ) > 0 ) {
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net.returnNetworkIndex( networkIndex );
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EventRecord.caller( SystemState.class, EventType.VM_TERMINATING, "NETWORK_INDEX", networkFqName, Integer.toString( networkIndex ) ).debug( );
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if ( !Networks.getInstance( ).lookup( networkFqName ).hasTokens( ) ) {
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StopNetworkCallback stopNet = new StopNetworkCallback( new NetworkToken( cluster.getName( ), net.getUserName( ), net.getNetworkName( ),
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for ( Cluster c : Clusters.getInstance( ).listValues( ) ) {
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stopNet.newInstance( ).dispatch( cluster );
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} catch ( NoSuchElementException e1 ) {} catch ( Throwable e1 ) {
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public static void cleanUp( final VmInstance vm ) {
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String networkFqName = !vm.getNetworks( ).isEmpty( ) ? vm.getOwnerId( ) + "-" + vm.getNetworkNames( ).get( 0 ) : null;
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Cluster cluster = Clusters.getInstance( ).lookup( vm.getPlacement( ) );
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int networkIndex = vm.getNetworkIndex( );
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Address address = null;
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QueuedEventCallback cb = new TerminateCallback( vm.getInstanceId( ) );
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if ( Clusters.getInstance( ).hasNetworking( ) ) {
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address = Addresses.getInstance( ).lookup( vm.getPublicAddress( ) );
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} catch ( NoSuchElementException e ) {} catch ( Throwable e1 ) {
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cb.then( VmInstances.getCleanUpCallback( address, vm, networkIndex, networkFqName, cluster ) );
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cb.dispatch( cluster );
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} catch ( Throwable e ) {
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public static VmInstance restrictedLookup( String userId, boolean administrator, String instanceId ) throws EucalyptusCloudException {
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VmInstance vm = VmInstances.getInstance( ).lookup( instanceId ); //TODO: test should throw error.
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if ( !administrator && !vm.getOwnerId( ).equals( userId ) ) {
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throw new EucalyptusCloudException( "Permission denied while trying to lookup vm instance: " + instanceId );
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public static void flushBuried( ) {
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for ( VmInstance vm : VmInstances.getInstance( ).getDisabledEntries( ) ) {
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if ( vm.getSplitTime( ) > SystemState.SHUT_DOWN_TIME && !VmState.BURIED.equals( vm.getState( ) ) ) {
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vm.setState( VmState.BURIED, Reason.BURIED );
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} else if ( vm.getSplitTime( ) > SystemState.BURY_TIME && VmState.BURIED.equals( vm.getState( ) ) ) {
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VmInstances.getInstance( ).deregister( vm.getName( ) );
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if ( ( float ) Runtime.getRuntime( ).freeMemory( ) / ( float ) Runtime.getRuntime( ).maxMemory( ) < 0.10f ) {
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for ( VmInstance vm : VmInstances.getInstance( ).listDisabledValues( ) ) {
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if ( VmState.BURIED.equals( vm.getState( ) ) || vm.getSplitTime( ) > SystemState.BURY_TIME ) {
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VmInstances.getInstance( ).deregister( vm.getInstanceId( ) );
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LOG.info( EventRecord.here( VmInstances.class, EventType.FLUSH_CACHE, LogUtil.dumpObject( vm ) ) );
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public static String asMacAddress( final String instanceId ) {
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.format( "%s:%s:%s:%s", instanceId.substring( 2, 4 ), instanceId.substring( 4, 6 ), instanceId.substring( 6, 8 ), instanceId.substring( 8, 10 ) );