/*******************************************************************************
*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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*
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* 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.
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*
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* SOFTWARE, AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA, SANTA
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*******************************************************************************/
/*
* Author: Neil Soman neil@eucalyptus.com
*/
package com.eucalyptus.blockstorage.san.common.entities;
import java.util.List;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.EntityTransaction;
import javax.persistence.Lob;
import javax.persistence.PersistenceContext;
import javax.persistence.Table;
import org.apache.log4j.Logger;
import org.hibernate.annotations.Type;
import com.eucalyptus.blockstorage.Storage;
import com.eucalyptus.blockstorage.entities.SnapshotInfo;
import com.eucalyptus.blockstorage.util.StorageProperties;
import com.eucalyptus.entities.AbstractPersistent;
import com.eucalyptus.entities.Entities;
import com.eucalyptus.upgrade.Upgrades.EntityUpgrade;
import com.eucalyptus.upgrade.Upgrades.Version;
import com.eucalyptus.util.Exceptions;
import com.google.common.base.Predicate;
@Entity
@PersistenceContext(name = "eucalyptus_storage")
@Table(name = "san_volume_info")
public class SANVolumeInfo extends AbstractPersistent {
protected String volumeId;
private String scName;
private String iqn;
private String storeUser;
@Type(type = "org.hibernate.type.StringClobType")
@Lob
private String encryptedPassword;
@Column(name = "size")
protected Integer size;
@Column(name = "status")
private String status;
@Column(name = "snapshot_of")
private String snapshotOf;
@Column(name = "san_volume_Id")
private String sanVolumeId;
public SANVolumeInfo() {
this.scName = StorageProperties.NAME;
}
public SANVolumeInfo(String volumeId) {
this();
this.volumeId = volumeId;
}
public SANVolumeInfo(String volumeId, String iqn, int size) {
this();
this.volumeId = volumeId;
this.iqn = iqn;
this.size = size;
}
public String getIqn() {
return iqn;
}
public void setIqn(String iqn) {
this.iqn = iqn;
}
public String getStoreUser() {
return storeUser;
}
public void setStoreUser(String storeUser) {
this.storeUser = storeUser;
}
public String getEncryptedPassword() {
return encryptedPassword;
}
public void setEncryptedPassword(String encryptedPassword) {
this.encryptedPassword = encryptedPassword;
}
public String getVolumeId() {
return volumeId;
}
public void setVolumeId(String volumeId) {
this.volumeId = volumeId;
}
public String getScName() {
return scName;
}
public void setScName(String scName) {
this.scName = scName;
}
public Integer getSize() {
return size;
}
public void setSize(Integer size) {
this.size = size;
}
public SANVolumeInfo withSize(Integer size) {
this.size = size;
return this;
}
public String getStatus() {
return status;
}
public void setStatus(String status) {
this.status = status;
}
public String getSnapshotOf() {
return snapshotOf;
}
public void setSnapshotOf(String snapshotOf) {
this.snapshotOf = snapshotOf;
}
public SANVolumeInfo withSnapshotOf(String snapshotOf) {
this.snapshotOf = snapshotOf;
return this;
}
public String getSanVolumeId() {
return sanVolumeId;
}
public void setSanVolumeId(String sanVolumeId) {
this.sanVolumeId = sanVolumeId;
}
public SANVolumeInfo withSanVolumeId(String sanVolumeId) {
this.sanVolumeId = sanVolumeId;
return this;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((volumeId == null) ? 0 : volumeId.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
SANVolumeInfo other = (SANVolumeInfo) obj;
if (volumeId == null) {
if (other.volumeId != null)
return false;
} else if (!volumeId.equals(other.volumeId))
return false;
return true;
}
/**
* This upgrade is to push the snapshot size from this entity to the SnapshoInfo entity because Snapshot info cannot have a dependency on the
* backend volume entities.
*
*/
@EntityUpgrade(entities = {SANVolumeInfo.class}, since = Version.v3_4_0, value = Storage.class)
public enum SANSnapshotSizeUpgrade3_4 implements Predicate<Class> {
INSTANCE;
private static Logger LOG = Logger.getLogger(SANVolumeInfo.SANSnapshotSizeUpgrade3_4.class);
@Override
public boolean apply(Class arg0) {
EntityTransaction db = Entities.get(SANVolumeInfo.class);
try {
SANVolumeInfo example = new SANVolumeInfo();
example.setScName(null);
List<SANVolumeInfo> entities = Entities.query(example);
for (SANVolumeInfo entry : entities) {
if (entry.getVolumeId().startsWith("snap-")) {
EntityTransaction snapDb = Entities.get(SnapshotInfo.class);
try {
SnapshotInfo exampleSnap = new SnapshotInfo(entry.getVolumeId());
exampleSnap.setScName(null); // all clusters.
List<SnapshotInfo> snaps = Entities.query(exampleSnap);
for (SnapshotInfo snap : snaps) {
if (snap.getSizeGb() == null) {
snap.setSizeGb(entry.getSize());
LOG.debug("Upgrading: " + entry.getVolumeId() + " putting size from back-end to SnapshotInfo. Setting size to " + snap.getSizeGb());
} else {
// Do nothing, already set.
}
}
snapDb.commit();
} finally {
snapDb.rollback();
snapDb = null;
}
} else {
// Skip because not a snapshot record
LOG.debug("Skipping snapshot upgrade of " + entry.getVolumeId() + " because not a snapshot");
}
}
db.commit();
return true;
} catch (Exception ex) {
db.rollback();
throw Exceptions.toUndeclared(ex);
}
}
}
}