/*******************************************************************************
*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.
*
*
* This file 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., 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
* 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.
*******************************************************************************/
/*
* Author: chris grzegorczyk <grze@eucalyptus.com>
*/
package edu.ucsb.eucalyptus.cloud.entities;
import org.apache.log4j.Logger;
import org.hibernate.annotations.Cache;
import org.hibernate.annotations.CacheConcurrencyStrategy;
import com.eucalyptus.configurable.ConfigurableClass;
import com.eucalyptus.configurable.ConfigurableField;
import com.eucalyptus.configurable.ConfigurableFieldType;
import com.eucalyptus.configurable.ConfigurableIdentifier;
import com.eucalyptus.entities.EntityWrapper;
import com.eucalyptus.util.EucalyptusCloudException;
import com.eucalyptus.util.StorageProperties;
import javax.persistence.*;
@Entity
@PersistenceContext(name="eucalyptus_storage")
@Table( name = "storage_info" )
@Cache( usage = CacheConcurrencyStrategy.READ_WRITE )
@ConfigurableClass(root = "storage", alias="basic", description = "Basic storage controller configuration.", singleton=false, deferred = true)
public class
StorageInfo {
private static Logger LOG = Logger.getLogger( StorageInfo.class );
@Id
@GeneratedValue
@Column( name = "storage_id" )
private Long id = -1l;
@ConfigurableIdentifier
@Column( name = "storage_name", unique=true)
private String name;
@ConfigurableField( description = "Total disk space reserved for volumes", displayName = "Disk space reserved for volumes" )
@Column( name = "system_storage_volume_size_gb" )
private Integer maxTotalVolumeSizeInGb;
@ConfigurableField( description = "Max volume size", displayName = "Max volume size" )
@Column( name = "system_storage_max_volume_size_gb")
private Integer maxVolumeSizeInGB;
public StorageInfo(){
this.name = StorageProperties.NAME;
}
public StorageInfo( final String name )
{
this.name = name;
}
public StorageInfo(final String name,
final Integer maxTotalVolumeSizeInGb,
final Integer maxVolumeSizeInGB) {
this.name = name;
this.maxTotalVolumeSizeInGb = maxTotalVolumeSizeInGb;
this.maxVolumeSizeInGB = maxVolumeSizeInGB;
}
public Long getId()
{
return id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Integer getMaxTotalVolumeSizeInGb() {
return maxTotalVolumeSizeInGb;
}
public void setMaxTotalVolumeSizeInGb(Integer maxTotalVolumeSizeInGb) {
this.maxTotalVolumeSizeInGb = maxTotalVolumeSizeInGb;
}
public Integer getMaxVolumeSizeInGB() {
return maxVolumeSizeInGB;
}
public void setMaxVolumeSizeInGB(Integer maxVolumeSizeInGB) {
this.maxVolumeSizeInGB = maxVolumeSizeInGB;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
StorageInfo other = (StorageInfo) obj;
if (name == null) {
if (other.name != null)
return false;
} else if (!name.equals(other.name))
return false;
return true;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((name == null) ? 0 : name.hashCode());
return result;
}
@Override
public String toString()
{
return this.name;
}
public static StorageInfo getStorageInfo() {
EntityWrapper<StorageInfo> storageDb = new EntityWrapper<StorageInfo>(StorageProperties.DB_NAME);
StorageInfo conf = null;
try {
conf = storageDb.getUnique(new StorageInfo(StorageProperties.NAME));
storageDb.commit();
}
catch ( EucalyptusCloudException e ) {
LOG.warn("Failed to get storage info for: " + StorageProperties.NAME + ". Loading defaults.");
conf = new StorageInfo(StorageProperties.NAME,
StorageProperties.MAX_TOTAL_VOLUME_SIZE,
StorageProperties.MAX_VOLUME_SIZE);
storageDb.add(conf);
storageDb.commit();
}
catch (Throwable t) {
LOG.error("Unable to get storage info for: " + StorageProperties.NAME);
storageDb.rollback();
return new StorageInfo(StorageProperties.NAME,
StorageProperties.MAX_TOTAL_VOLUME_SIZE,
StorageProperties.MAX_VOLUME_SIZE);
}
return conf;
}
}