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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.blockstorage;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import org.apache.log4j.Logger;
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import com.eucalyptus.bootstrap.Component;
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import com.eucalyptus.component.Dispatcher;
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import com.eucalyptus.config.Configuration;
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import com.eucalyptus.config.StorageControllerConfiguration;
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import com.eucalyptus.util.EucalyptusCloudException;
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import com.eucalyptus.ws.client.ServiceDispatcher;
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import com.google.common.base.Function;
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import com.google.common.collect.Iterators;
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import com.google.common.collect.Lists;
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import com.google.common.collect.Maps;
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import com.google.common.collect.Multimap;
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import com.google.common.collect.Multimaps;
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import edu.ucsb.eucalyptus.cloud.state.State;
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import edu.ucsb.eucalyptus.msgs.AttachedVolume;
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import edu.ucsb.eucalyptus.msgs.DescribeStorageVolumesResponseType;
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import edu.ucsb.eucalyptus.msgs.DescribeStorageVolumesType;
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import edu.ucsb.eucalyptus.msgs.EucalyptusMessage;
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import edu.ucsb.eucalyptus.msgs.StorageVolume;
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public class StorageUtil {
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private static Logger LOG = Logger.getLogger( StorageUtil.class );
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public static Dispatcher lookup( String hostName ) {
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return ServiceDispatcher.lookup( Component.storage, hostName );
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public static <TYPE> TYPE send( String clusterName, EucalyptusMessage message ) throws EucalyptusCloudException {
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StorageControllerConfiguration scConfig = Configuration.getStorageControllerConfiguration( clusterName );
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Dispatcher sc = ServiceDispatcher.lookup( Component.storage, scConfig.getHostName( ) );
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TYPE reply = (TYPE) sc.send( message );
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public static void dispatchAll( EucalyptusMessage message ) throws EucalyptusCloudException {
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for( Dispatcher sc : ServiceDispatcher.lookupMany( Component.storage ) ) {
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sc.dispatch( message );
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public static ArrayList<edu.ucsb.eucalyptus.msgs.Volume> getVolumeReply( Map<String, AttachedVolume> attachedVolumes, List<Volume> volumes ) throws EucalyptusCloudException {
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Multimap<String,Volume> clusterVolumeMap = Multimaps.newHashMultimap( );
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Map<String,StorageVolume> idStorageVolumeMap = Maps.newHashMap( );
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for( Volume v : volumes ) {
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clusterVolumeMap.put( v.getCluster( ), v );
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ArrayList<edu.ucsb.eucalyptus.msgs.Volume> reply = Lists.newArrayList( );
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for( String cluster : clusterVolumeMap.keySet( ) ) {
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StorageControllerConfiguration scConfig = Configuration.getStorageControllerConfiguration( cluster );
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Iterator<String> volumeNames = Iterators.transform( clusterVolumeMap.get( cluster ).iterator( ), new Function<Volume,String>() {
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public String apply( Volume arg0 ) {
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return arg0.getDisplayName( );
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DescribeStorageVolumesType descVols = new DescribeStorageVolumesType( Lists.newArrayList( volumeNames ) );
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Dispatcher sc = ServiceDispatcher.lookup( Component.storage, scConfig.getHostName( ) );
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DescribeStorageVolumesResponseType volState = sc.send( descVols, DescribeStorageVolumesResponseType.class );
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for ( StorageVolume vol : volState.getVolumeSet( ) ) {
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idStorageVolumeMap.put( vol.getVolumeId( ), vol );
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for( Volume v : volumes ) {
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if( !cluster.equals( v.getCluster( ) ) ) continue;
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String status = null;
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String actualDeviceName = "unknown";
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if( idStorageVolumeMap.containsKey( v.getDisplayName( ) ) ) {
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StorageVolume vol = idStorageVolumeMap.get( v.getDisplayName( ) );
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status = vol.getStatus( );
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size = Integer.parseInt( vol.getSize( ) );
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actualDeviceName = vol.getActualDeviceName( );
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v.setState( State.ANNIHILATED );
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if ( attachedVolumes.containsKey( v.getDisplayName() ) ) {
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v.setState( State.BUSY );
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} else if( status != null ) {
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v.setMappedState( status );
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if( v.getSize() <= 0 ) {
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v.setSize( new Integer( size ) );
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if( "invalid".equals ( v.getRemoteDevice( ) ) || "unknown".equals( v.getRemoteDevice( ) ) || v.getRemoteDevice( ) == null ) {
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v.setRemoteDevice( actualDeviceName );
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edu.ucsb.eucalyptus.msgs.Volume aVolume = v.morph( new edu.ucsb.eucalyptus.msgs.Volume() );
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if ( attachedVolumes.containsKey( v.getDisplayName() ) ) {
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aVolume.setStatus( v.mapState( ) );
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aVolume.getAttachmentSet().add( attachedVolumes.get( aVolume.getVolumeId() ) );
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if ( "invalid".equals( v.getRemoteDevice( ) ) && !State.FAIL.equals( v.getState( ) ) ) {
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aVolume.setStatus( "creating" );
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reply.add( aVolume );