/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cloudstack.storage.motion;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import javax.inject.Inject;
import org.springframework.stereotype.Component;
import org.apache.cloudstack.engine.subsystem.api.storage.CopyCommandResult;
import org.apache.cloudstack.engine.subsystem.api.storage.DataMotionService;
import org.apache.cloudstack.engine.subsystem.api.storage.DataMotionStrategy;
import org.apache.cloudstack.engine.subsystem.api.storage.DataObject;
import org.apache.cloudstack.engine.subsystem.api.storage.DataStore;
import org.apache.cloudstack.engine.subsystem.api.storage.StorageStrategyFactory;
import org.apache.cloudstack.engine.subsystem.api.storage.VolumeInfo;
import org.apache.cloudstack.framework.async.AsyncCompletionCallback;
import com.cloud.agent.api.to.VirtualMachineTO;
import com.cloud.host.Host;
import com.cloud.utils.StringUtils;
import com.cloud.utils.exception.CloudRuntimeException;
@Component
public class DataMotionServiceImpl implements DataMotionService {
@Inject
StorageStrategyFactory storageStrategyFactory;
@Override
public void copyAsync(DataObject srcData, DataObject destData, Host destHost, AsyncCompletionCallback<CopyCommandResult> callback) {
if (srcData.getDataStore() == null || destData.getDataStore() == null) {
throw new CloudRuntimeException("can't find data store");
}
if (srcData.getDataStore().getDriver().canCopy(srcData, destData)) {
srcData.getDataStore().getDriver().copyAsync(srcData, destData, callback);
return;
} else if (destData.getDataStore().getDriver().canCopy(srcData, destData)) {
destData.getDataStore().getDriver().copyAsync(srcData, destData, callback);
return;
}
DataMotionStrategy strategy = storageStrategyFactory.getDataMotionStrategy(srcData, destData);
if (strategy == null) {
throw new CloudRuntimeException("Can't find strategy to move data. " + "Source: " + srcData.getType().name() + " '" + srcData.getUuid() + ", Destination: " +
destData.getType().name() + " '" + destData.getUuid() + "'");
}
strategy.copyAsync(srcData, destData, destHost, callback);
}
@Override
public void copyAsync(DataObject srcData, DataObject destData, AsyncCompletionCallback<CopyCommandResult> callback) {
copyAsync(srcData, destData, null, callback);
}
@Override
public void copyAsync(Map<VolumeInfo, DataStore> volumeMap, VirtualMachineTO vmTo, Host srcHost, Host destHost, AsyncCompletionCallback<CopyCommandResult> callback) {
DataMotionStrategy strategy = storageStrategyFactory.getDataMotionStrategy(volumeMap, srcHost, destHost);
if (strategy == null) {
List<String> volumeIds = new LinkedList<String>();
for (final VolumeInfo volumeInfo : volumeMap.keySet()) {
volumeIds.add(volumeInfo.getUuid());
}
throw new CloudRuntimeException("Can't find strategy to move data. " + "Source Host: " + srcHost.getName() + ", Destination Host: " + destHost.getName() +
", Volume UUIDs: " + StringUtils.join(volumeIds, ","));
}
strategy.copyAsync(volumeMap, vmTo, srcHost, destHost, callback);
}
}