/*******************************************************************************
*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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* 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
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* 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
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*******************************************************************************/
/*
* 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 = "direct_storage_info" )
@Cache( usage = CacheConcurrencyStrategy.READ_WRITE )
@ConfigurableClass(root = "storage", alias = "direct", description = "Basic storage controller configuration.", singleton=false, deferred = true)
public class
DirectStorageInfo {
private static Logger LOG = Logger.getLogger( DirectStorageInfo.class );
@Id
@GeneratedValue
@Column( name = "storage_direct_id" )
private Long id = -1l;
@ConfigurableIdentifier
@Column( name = "storage_name", unique=true)
private String name;
@ConfigurableField( description = "Storage network interface.", displayName = "Storage Interface" )
@Column( name = "storage_interface" )
private String storageInterface;
@ConfigurableField( description = "Storage volumes directory.", displayName = "Volumes path" )
@Column( name = "system_storage_volumes_dir" )
private String volumesDir;
@ConfigurableField( description = "Should volumes be zero filled.", displayName = "Zero-fill volumes", type = ConfigurableFieldType.BOOLEAN )
@Column(name = "zero_fill_volumes")
private Boolean zeroFillVolumes;
public DirectStorageInfo(){
this.name = StorageProperties.NAME;
}
public DirectStorageInfo( final String name )
{
this.name = name;
}
public DirectStorageInfo(final String name,
final String storageInterface,
final String volumesDir,
final Boolean zeroFillVolumes) {
this.name = name;
this.storageInterface = storageInterface;
this.volumesDir = volumesDir;
this.zeroFillVolumes = zeroFillVolumes;
}
public Long getId()
{
return id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getStorageInterface() {
return storageInterface;
}
public void setStorageInterface(String storageInterface) {
this.storageInterface = storageInterface;
}
public String getVolumesDir() {
return volumesDir;
}
public void setVolumesDir(String volumesDir) {
this.volumesDir = volumesDir;
}
public Boolean getZeroFillVolumes() {
return zeroFillVolumes;
}
public void setZeroFillVolumes(Boolean zeroFillVolumes) {
this.zeroFillVolumes = zeroFillVolumes;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
DirectStorageInfo other = (DirectStorageInfo) 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 DirectStorageInfo getStorageInfo() {
EntityWrapper<DirectStorageInfo> storageDb = new EntityWrapper<DirectStorageInfo>(StorageProperties.DB_NAME);
DirectStorageInfo conf = null;
try {
conf = storageDb.getUnique(new DirectStorageInfo(StorageProperties.NAME));
storageDb.commit();
}
catch ( EucalyptusCloudException e ) {
LOG.warn("Failed to get storage info for: " + StorageProperties.NAME + ". Loading defaults.");
conf = new DirectStorageInfo(StorageProperties.NAME,
StorageProperties.iface,
StorageProperties.storageRootDirectory,
StorageProperties.zeroFillVolumes);
storageDb.add(conf);
storageDb.commit();
}
catch (Throwable t) {
LOG.error("Unable to get storage info for: " + StorageProperties.NAME);
storageDb.rollback();
return new DirectStorageInfo(StorageProperties.NAME,
StorageProperties.iface,
StorageProperties.storageRootDirectory,
StorageProperties.zeroFillVolumes);
}
return conf;
}
}