/*******************************************************************************
*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.
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*
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* 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
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*******************************************************************************/
package edu.ucsb.eucalyptus.cloud.entities;
import org.hibernate.annotations.Cache;
import org.hibernate.annotations.CacheConcurrencyStrategy;
import com.eucalyptus.configurable.ConfigurableClass;
import com.eucalyptus.configurable.ConfigurableField;
import com.eucalyptus.entities.EntityWrapper;
import com.eucalyptus.util.EucalyptusCloudException;
import com.eucalyptus.util.WalrusProperties;
import javax.persistence.*;
@Entity
@PersistenceContext(name="eucalyptus_walrus")
@Table( name = "walrus_info" )
@Cache( usage = CacheConcurrencyStrategy.READ_WRITE )
@ConfigurableClass(root = "walrus", description = "Walrus configuration.", deferred = true)
public class WalrusInfo {
@Id
@GeneratedValue
@Column( name = "walrus_info_id" )
private Long id = -1l;
@Column(name = "walrus_name", unique=true)
private String name;
@ConfigurableField( description = "Path to buckets storage", displayName = "Buckets Path" )
@Column( name = "storage_dir" )
private String storageDir;
@ConfigurableField( description = "Maximum number of buckets per user", displayName = "Maximum buckets per user" )
@Column( name = "storage_max_buckets_per_user" )
private Integer storageMaxBucketsPerUser;
@ConfigurableField( description = "Maximum size per bucket", displayName = "Maximum bucket size (MB)" )
@Column( name = "storage_max_bucket_size_mb" )
private Integer storageMaxBucketSizeInMB;
@ConfigurableField( description = "Image cache size", displayName = "Space reserved for unbundling images (MB)" )
@Column( name = "storage_cache_size_mb" )
private Integer storageMaxCacheSizeInMB;
@ConfigurableField( description = "Disk space reserved for snapshots", displayName = "Space reserved for snapshots (GB)" )
@Column( name = "storage_snapshot_size_gb" )
private Integer storageMaxTotalSnapshotSizeInGb;
public WalrusInfo() {}
public WalrusInfo(final String name,
final String storageDir,
final Integer storageMaxBucketsPerUser,
final Integer storageMaxBucketSizeInMB,
final Integer storageMaxCacheSizeInMB,
final Integer storageMaxTotalSnapshotSizeInGb)
{
this.name = name;
this.storageDir = storageDir;
this.storageMaxBucketsPerUser = storageMaxBucketsPerUser;
this.storageMaxBucketSizeInMB = storageMaxBucketSizeInMB;
this.storageMaxCacheSizeInMB = storageMaxCacheSizeInMB;
this.storageMaxTotalSnapshotSizeInGb = storageMaxTotalSnapshotSizeInGb;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getStorageDir() {
return storageDir;
}
public void setStorageDir( final String storageDir ) {
this.storageDir = storageDir;
}
public Integer getStorageMaxBucketsPerUser() {
return storageMaxBucketsPerUser;
}
public void setStorageMaxBucketsPerUser( final Integer storageMaxBucketsPerUser ) {
this.storageMaxBucketsPerUser = storageMaxBucketsPerUser;
}
public Integer getStorageMaxBucketSizeInMB() {
return storageMaxBucketSizeInMB;
}
public void setStorageMaxBucketSizeInMB( final Integer storageMaxBucketSizeInMB ) {
this.storageMaxBucketSizeInMB = storageMaxBucketSizeInMB;
}
public Integer getStorageMaxCacheSizeInMB() {
return storageMaxCacheSizeInMB;
}
public void setStorageMaxCacheSizeInMB( final Integer storageMaxCacheSizeInMB ) {
this.storageMaxCacheSizeInMB = storageMaxCacheSizeInMB;
}
public Integer getStorageMaxTotalSnapshotSizeInGb() {
return storageMaxTotalSnapshotSizeInGb;
}
public void setStorageMaxTotalSnapshotSizeInGb( Integer storageMaxTotalSnapshotSizeInGb) {
this.storageMaxTotalSnapshotSizeInGb = storageMaxTotalSnapshotSizeInGb;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((name == null) ? 0 : name.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;
WalrusInfo other = (WalrusInfo) obj;
if (name == null) {
if (other.name != null)
return false;
} else if (!name.equals(other.name))
return false;
return true;
}
public static WalrusInfo getWalrusInfo() {
EntityWrapper<WalrusInfo> db = new EntityWrapper<WalrusInfo>(WalrusProperties.DB_NAME);
WalrusInfo walrusInfo;
try {
walrusInfo = db.getUnique(new WalrusInfo());
} catch(EucalyptusCloudException ex) {
walrusInfo = new WalrusInfo(WalrusProperties.NAME,
WalrusProperties.bucketRootDirectory,
WalrusProperties.MAX_BUCKETS_PER_USER,
(int)(WalrusProperties.MAX_BUCKET_SIZE / WalrusProperties.M),
(int)(WalrusProperties.IMAGE_CACHE_SIZE / WalrusProperties.M),
WalrusProperties.MAX_TOTAL_SNAPSHOT_SIZE);
db.add(walrusInfo);
} finally {
db.commit();
}
return walrusInfo;
}
}