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StorageProperties.java
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StorageProperties.java
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/*******************************************************************************
*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: Sunil Soman sunils@cs.ucsb.edu
*/
package com.eucalyptus.util;
import java.util.List;
import java.util.UUID;
import org.apache.log4j.Logger;
import com.eucalyptus.bootstrap.Component;
import com.eucalyptus.config.Configuration;
import com.eucalyptus.config.StorageControllerConfiguration;
import com.eucalyptus.config.WalrusConfiguration;
import edu.ucsb.eucalyptus.util.SystemUtil;
public class StorageProperties {
private static Logger LOG = Logger.getLogger( StorageProperties.class );
public static final String SERVICE_NAME = "StorageController";
public static final String SC_LOCAL_NAME = "StorageController-local";
public static String NAME = "unregistered";
public static String SC_ID = SERVICE_NAME + UUID.randomUUID();
public static String DB_NAME = "eucalyptus_storage";
public static final String EUCALYPTUS_OPERATION = "EucaOperation";
public static final String EUCALYPTUS_HEADER = "EucaHeader";
public static String storageRootDirectory = BaseDirectory.VAR.toString() + "/volumes";
public static String WALRUS_URL = "http://localhost:8773/services/Walrus";
public static int MAX_TOTAL_VOLUME_SIZE = 50;
public static int MAX_VOLUME_SIZE = 10;
public static final long GB = 1024*1024*1024;
public static final long MB = 1024*1024;
public static final long KB = 1024;
public static int TRANSFER_CHUNK_SIZE = 8192;
public static boolean enableSnapshots = false;
public static boolean enableStorage = false;
public static boolean shouldEnforceUsageLimits = true;
public static final String ETHERD_PREFIX = "/dev/etherd/e";
public static String SAN_HOST = "san_host";
public static String SAN_USERNAME = "user";
public static String SAN_PASSWORD = "password";
public static final String DUMMY_SAN_PASSWORD = "password";
public static final String DUMMY_SAN_HOST = "san_host";
public static String iface = "eth0";
public static boolean zeroFillVolumes = false;
public static boolean trackUsageStatistics = true;
public static String STORAGE_HOST = "127.0.0.1";
public static String DAS_DEVICE = "/dev/blockdev";
public static void updateName() {
if(!Component.eucalyptus.isLocal()) {
String scName = System.getProperty("euca.storage.name");
if(scName != null) {
StorageProperties.NAME = scName;
} else {
SystemUtil.shutdownWithError("Storage controller name cannot be determined. Shutting down.");
}
} else {
try {
List<StorageControllerConfiguration> configs = Configuration.getStorageControllerConfigurations();
for(StorageControllerConfiguration config : configs) {
if(NetworkUtil.testLocal(config.getHostName())) {
StorageProperties.NAME = config.getName();
return;
}
}
} catch (EucalyptusCloudException e) {
LOG.error(e);
}
}
}
public static void updateStorageHost() {
try {
if(!"unregistered".equals(StorageProperties.NAME)) {
StorageControllerConfiguration config = Configuration.getStorageControllerConfiguration(StorageProperties.NAME);
STORAGE_HOST = config.getHostName();
} else {
LOG.info("Storage Controller not registered yet.");
}
} catch (EucalyptusCloudException e) {
LOG.error(e);
}
}
public static void updateStorageHost(String hostName) {
STORAGE_HOST = hostName;
}
public static void updateWalrusUrl() {
List<WalrusConfiguration> walrusConfigs;
try {
walrusConfigs = Configuration.getWalrusConfigurations();
if(walrusConfigs.size() > 0) {
WalrusConfiguration walrusConfig = walrusConfigs.get(0);
WALRUS_URL = walrusConfig.getUri();
StorageProperties.enableSnapshots = true;
LOG.info("Setting WALRUS_URL to: " + WALRUS_URL);
} else {
LOG.warn("Could not obtain walrus information. Snapshot functionality may be unavailable. Have you registered Walrus?");
StorageProperties.enableSnapshots = false;
}
} catch (EucalyptusCloudException e) {
LOG.warn("Could not obtain walrus information. Snapshot functionality may be unavailable. Have you registered Walrus?");
StorageProperties.enableSnapshots = false;
}
}
public enum Status {
creating, available, pending, completed, failed
}
public enum StorageParameters {
EucaSignature, EucaSnapSize, EucaCert
}
}