/*******************************************************************************
*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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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* 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
* permission notice:
*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Regents of the University of California
* All rights reserved.
*
* Redistribution and use of this software in source and binary forms, with
* or without modification, are permitted provided that the following
* conditions are met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
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*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. USERS OF
* THIS SOFTWARE ACKNOWLEDGE THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE
* LICENSED MATERIAL, COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS
* SOFTWARE, AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA, SANTA
* BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY, WHICH IN
* THE REGENTS’ DISCRETION MAY INCLUDE, WITHOUT LIMITATION, REPLACEMENT
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*******************************************************************************/
/*
* Author: chris grzegorczyk <grze@eucalyptus.com>
*/
package com.eucalyptus.blockstorage;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.apache.log4j.Logger;
import com.eucalyptus.bootstrap.Component;
import com.eucalyptus.component.Dispatcher;
import com.eucalyptus.config.Configuration;
import com.eucalyptus.config.StorageControllerConfiguration;
import com.eucalyptus.util.EucalyptusCloudException;
import com.eucalyptus.ws.client.ServiceDispatcher;
import com.google.common.base.Function;
import com.google.common.collect.Iterators;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Multimap;
import com.google.common.collect.Multimaps;
import edu.ucsb.eucalyptus.cloud.state.State;
import edu.ucsb.eucalyptus.msgs.AttachedVolume;
import edu.ucsb.eucalyptus.msgs.DescribeStorageVolumesResponseType;
import edu.ucsb.eucalyptus.msgs.DescribeStorageVolumesType;
import edu.ucsb.eucalyptus.msgs.EucalyptusMessage;
import edu.ucsb.eucalyptus.msgs.StorageVolume;
public class StorageUtil {
private static Logger LOG = Logger.getLogger( StorageUtil.class );
public static Dispatcher lookup( String hostName ) {
return ServiceDispatcher.lookup( Component.storage, hostName );
}
public static <TYPE> TYPE send( String clusterName, EucalyptusMessage message ) throws EucalyptusCloudException {
StorageControllerConfiguration scConfig = Configuration.getStorageControllerConfiguration( clusterName );
Dispatcher sc = ServiceDispatcher.lookup( Component.storage, scConfig.getHostName( ) );
TYPE reply = (TYPE) sc.send( message );
return reply;
}
public static void dispatchAll( EucalyptusMessage message ) throws EucalyptusCloudException {
for( Dispatcher sc : ServiceDispatcher.lookupMany( Component.storage ) ) {
sc.dispatch( message );
}
}
public static ArrayList<edu.ucsb.eucalyptus.msgs.Volume> getVolumeReply( Map<String, AttachedVolume> attachedVolumes, List<Volume> volumes ) throws EucalyptusCloudException {
Multimap<String,Volume> clusterVolumeMap = Multimaps.newHashMultimap( );
Map<String,StorageVolume> idStorageVolumeMap = Maps.newHashMap( );
for( Volume v : volumes ) {
clusterVolumeMap.put( v.getCluster( ), v );
}
ArrayList<edu.ucsb.eucalyptus.msgs.Volume> reply = Lists.newArrayList( );
for( String cluster : clusterVolumeMap.keySet( ) ) {
StorageControllerConfiguration scConfig = Configuration.getStorageControllerConfiguration( cluster );
Iterator<String> volumeNames = Iterators.transform( clusterVolumeMap.get( cluster ).iterator( ), new Function<Volume,String>() {
@Override
public String apply( Volume arg0 ) {
return arg0.getDisplayName( );
}
} );
DescribeStorageVolumesType descVols = new DescribeStorageVolumesType( Lists.newArrayList( volumeNames ) );
Dispatcher sc = ServiceDispatcher.lookup( Component.storage, scConfig.getHostName( ) );
DescribeStorageVolumesResponseType volState = sc.send( descVols, DescribeStorageVolumesResponseType.class );
for ( StorageVolume vol : volState.getVolumeSet( ) ) {
idStorageVolumeMap.put( vol.getVolumeId( ), vol );
}
for( Volume v : volumes ) {
if( !cluster.equals( v.getCluster( ) ) ) continue;
String status = null;
Integer size = 0;
String actualDeviceName = "unknown";
if( idStorageVolumeMap.containsKey( v.getDisplayName( ) ) ) {
StorageVolume vol = idStorageVolumeMap.get( v.getDisplayName( ) );
status = vol.getStatus( );
size = Integer.parseInt( vol.getSize( ) );
actualDeviceName = vol.getActualDeviceName( );
} else {
v.setState( State.ANNIHILATED );
}
if ( attachedVolumes.containsKey( v.getDisplayName() ) ) {
v.setState( State.BUSY );
} else if( status != null ) {
v.setMappedState( status );
}
if( v.getSize() <= 0 ) {
v.setSize( new Integer( size ) );
}
if( "invalid".equals ( v.getRemoteDevice( ) ) || "unknown".equals( v.getRemoteDevice( ) ) || v.getRemoteDevice( ) == null ) {
v.setRemoteDevice( actualDeviceName );
}
edu.ucsb.eucalyptus.msgs.Volume aVolume = v.morph( new edu.ucsb.eucalyptus.msgs.Volume() );
if ( attachedVolumes.containsKey( v.getDisplayName() ) ) {
aVolume.setStatus( v.mapState( ) );
aVolume.getAttachmentSet().add( attachedVolumes.get( aVolume.getVolumeId() ) );
}
if ( "invalid".equals( v.getRemoteDevice( ) ) && !State.FAIL.equals( v.getState( ) ) ) {
aVolume.setStatus( "creating" );
}
reply.add( aVolume );
}
}
return reply;
}
}