/
Snapshot.java
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/
Snapshot.java
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/*************************************************************************
* Copyright 2009-2012 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; version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT 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., 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
* 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 documentation and/or other materials provided with the
* distribution.
*
* 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 NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS 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 OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO
* IDENTIFIED, OR WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT
* NEEDED TO COMPLY WITH ANY SUCH LICENSES OR RIGHTS.
************************************************************************/
package com.eucalyptus.blockstorage;
import java.util.Collection;
import java.util.List;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.EntityTransaction;
import javax.persistence.FetchType;
import javax.persistence.OneToMany;
import javax.persistence.PersistenceContext;
import javax.persistence.Table;
import org.apache.log4j.Logger;
import org.hibernate.annotations.Cache;
import org.hibernate.annotations.CacheConcurrencyStrategy;
import org.hibernate.annotations.Entity;
import com.eucalyptus.cloud.CloudMetadata.SnapshotMetadata;
import com.eucalyptus.cloud.UserMetadata;
import com.eucalyptus.component.ComponentIds;
import com.eucalyptus.component.id.Eucalyptus;
import com.eucalyptus.component.id.Storage;
import com.eucalyptus.entities.Entities;
import com.eucalyptus.upgrade.Upgrades.EntityUpgrade;
import com.eucalyptus.upgrade.Upgrades.Version;
import com.eucalyptus.util.Exceptions;
import com.eucalyptus.util.FullName;
import com.eucalyptus.util.OwnerFullName;
import com.eucalyptus.util.StorageProperties;
import com.google.common.base.Predicate;
import edu.ucsb.eucalyptus.cloud.entities.DirectStorageInfo;
@Entity
@javax.persistence.Entity
@PersistenceContext( name = "eucalyptus_cloud" )
@Table( name = "metadata_snapshots" )
@Cache( usage = CacheConcurrencyStrategy.TRANSACTIONAL )
public class Snapshot extends UserMetadata<State> implements SnapshotMetadata {
@Column( name = "metadata_snapshot_vol_size" )
private Integer volumeSize;
@Column( name = "metadata_snapshot_parentvolume", updatable = false )
private String parentVolume;
/**
* @deprecated srsly. dont use it.
*/
@Deprecated
@Column( name = "metadata_snapshot_vol_sc", updatable = false )
private String volumeSc;
@Column( name = "metadata_snapshot_vol_partition", updatable = false )
private String volumePartition;
@Column( name = "metadata_snapshot_progress" )
private String progress;
@Column( name = "metadata_snapshot_description", updatable = false )
private String description;
@OneToMany( fetch = FetchType.LAZY, cascade = CascadeType.REMOVE, orphanRemoval = true, mappedBy = "snapshot" )
private Collection<SnapshotTag> tags;
protected Snapshot( ) {
super( );
}
Snapshot( final OwnerFullName ownerFullName, final String displayName ) {
super( ownerFullName, displayName );
}
Snapshot( final OwnerFullName ownerFullName,
final String displayName,
final String description,
final String parentVolume,
final Integer volumeSize,
final String volumeScName,
final String volumePartition ) {
this( ownerFullName, displayName );
this.description = description;
this.parentVolume = parentVolume;
this.volumeSc = volumeScName;
this.volumePartition = volumePartition;
this.volumeSize = volumeSize;
this.progress = "0%";
super.setState( State.NIHIL );
}
public static Snapshot named( final OwnerFullName ownerFullName, String snapshotId ) {
return new Snapshot( ownerFullName, snapshotId );
}
public static Snapshot naturalId( final String naturalId ) {
final Snapshot snapshot = new Snapshot();
snapshot.setNaturalId( naturalId );
return snapshot;
}
public String mapState( ) {
switch ( this.getState( ) ) {
case GENERATING:
case NIHIL:
return "pending";
case EXTANT:
return "completed";
default:
return "failed";
}
}
public void setMappedState( final String state ) {
if ( StorageProperties.Status.creating.toString( ).equals( state ) )
this.setState( State.GENERATING );
else if ( StorageProperties.Status.pending.toString( ).equals( state ) )
this.setState( State.GENERATING );
else if ( StorageProperties.Status.completed.toString( ).equals( state ) )
this.setState( State.EXTANT );
else if ( StorageProperties.Status.available.toString( ).equals( state ) )
this.setState( State.EXTANT );
else if ( StorageProperties.Status.failed.toString( ).equals( state ) ) this.setState( State.FAIL );
}
public edu.ucsb.eucalyptus.msgs.Snapshot morph( final edu.ucsb.eucalyptus.msgs.Snapshot snap ) {
snap.setSnapshotId( this.getDisplayName( ) );
snap.setDescription( this.getDescription() );
snap.setStatus( this.mapState( ) );
snap.setStartTime( this.getCreationTimestamp( ) );
snap.setVolumeId( this.getParentVolume( ) );
snap.setVolumeSize( Integer.toString( this.getVolumeSize( ) ) );
if ( this.getProgress( ) != null ) {
snap.setProgress( this.getProgress( ) );
} else {
snap.setProgress( State.EXTANT.equals( this.getState( ) ) ? "100%" : "0%" );//GRZE: sigh @ this crap.
}
return snap;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public String getParentVolume( ) {
return parentVolume;
}
protected void setParentVolume( final String parentVolume ) {
this.parentVolume = parentVolume;
}
@Override
public String getPartition( ) {
return this.volumePartition;
}
@Override
public FullName getFullName( ) {
return FullName.create.vendor( "euca" )
.region( ComponentIds.lookup( Eucalyptus.class ).name( ) )
.namespace( this.getOwnerAccountNumber( ) )
.relativeId( "snapshot", this.getDisplayName( ) );
}
public Integer getVolumeSize( ) {
return this.volumeSize;
}
public void setVolumeSize( Integer integer ) {
this.volumeSize = integer;
}
public void setPartition( String partition ) {
this.volumePartition = partition;
}
public String getVolumeCluster( ) {
return this.volumeSc;
}
public void setVolumeCluster( String volumeCluster ) {
this.volumeSc = volumeCluster;
}
public String getVolumePartition( ) {
return this.volumePartition;
}
public void setVolumePartition( String volumePartition ) {
this.volumePartition = volumePartition;
}
public String getVolumeSc( ) {
return this.volumeSc;
}
protected String getProgress( ) {
return this.progress;
}
protected void setProgress( String progress ) {
this.progress = progress;
}
@EntityUpgrade( entities = { Snapshot.class }, since = Version.v3_2_0, value = Storage.class )
public enum SnapshotUpgrade implements Predicate<Class> {
INSTANCE;
private static Logger LOG = Logger.getLogger( Snapshot.SnapshotUpgrade.class );
@Override
public boolean apply( Class arg0 ) {
EntityTransaction db = Entities.get( Snapshot.class );
try {
List<Snapshot> entities = Entities.query( new Snapshot( ) );
for ( Snapshot entry : entities ) {
LOG.debug( "Upgrading: " + entry.getDisplayName() );
entry.setDescription(null);
}
db.commit( );
return true;
} catch ( Exception ex ) {
db.rollback();
throw Exceptions.toUndeclared( ex );
}
}
}
}