| // |
| // 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 com.cloud.hypervisor.kvm.resource.wrapper; |
| |
| import com.cloud.agent.api.Answer; |
| import com.cloud.agent.api.storage.MigrateVolumeAnswer; |
| import com.cloud.agent.api.storage.MigrateVolumeCommand; |
| import com.cloud.agent.api.to.DiskTO; |
| import com.cloud.hypervisor.kvm.resource.LibvirtComputingResource; |
| import com.cloud.hypervisor.kvm.storage.KVMPhysicalDisk; |
| import com.cloud.hypervisor.kvm.storage.KVMStoragePool; |
| import com.cloud.hypervisor.kvm.storage.KVMStoragePoolManager; |
| import com.cloud.resource.CommandWrapper; |
| import com.cloud.resource.ResourceWrapper; |
| |
| import java.util.Map; |
| import java.util.UUID; |
| |
| import org.apache.cloudstack.storage.to.PrimaryDataStoreTO; |
| import org.apache.cloudstack.storage.to.VolumeObjectTO; |
| import org.apache.log4j.Logger; |
| |
| @ResourceWrapper(handles = MigrateVolumeCommand.class) |
| public final class LibvirtMigrateVolumeCommandWrapper extends CommandWrapper<MigrateVolumeCommand, Answer, LibvirtComputingResource> { |
| private static final Logger LOGGER = Logger.getLogger(LibvirtMigrateVolumeCommandWrapper.class); |
| |
| @Override |
| public Answer execute(final MigrateVolumeCommand command, final LibvirtComputingResource libvirtComputingResource) { |
| KVMStoragePoolManager storagePoolManager = libvirtComputingResource.getStoragePoolMgr(); |
| |
| VolumeObjectTO srcVolumeObjectTO = (VolumeObjectTO)command.getSrcData(); |
| PrimaryDataStoreTO srcPrimaryDataStore = (PrimaryDataStoreTO)srcVolumeObjectTO.getDataStore(); |
| |
| Map<String, String> srcDetails = command.getSrcDetails(); |
| |
| String srcPath = srcDetails != null ? srcDetails.get(DiskTO.IQN) : srcVolumeObjectTO.getPath(); |
| |
| VolumeObjectTO destVolumeObjectTO = (VolumeObjectTO)command.getDestData(); |
| PrimaryDataStoreTO destPrimaryDataStore = (PrimaryDataStoreTO)destVolumeObjectTO.getDataStore(); |
| |
| Map<String, String> destDetails = command.getDestDetails(); |
| |
| String destPath = destDetails != null && destDetails.get(DiskTO.IQN) != null ? destDetails.get(DiskTO.IQN) : |
| (destVolumeObjectTO.getPath() != null ? destVolumeObjectTO.getPath() : UUID.randomUUID().toString()); |
| |
| try { |
| storagePoolManager.connectPhysicalDisk(srcPrimaryDataStore.getPoolType(), srcPrimaryDataStore.getUuid(), srcPath, srcDetails); |
| |
| KVMPhysicalDisk srcPhysicalDisk = storagePoolManager.getPhysicalDisk(srcPrimaryDataStore.getPoolType(), srcPrimaryDataStore.getUuid(), srcPath); |
| |
| KVMStoragePool destPrimaryStorage = storagePoolManager.getStoragePool(destPrimaryDataStore.getPoolType(), destPrimaryDataStore.getUuid()); |
| |
| storagePoolManager.connectPhysicalDisk(destPrimaryDataStore.getPoolType(), destPrimaryDataStore.getUuid(), destPath, destDetails); |
| |
| storagePoolManager.copyPhysicalDisk(srcPhysicalDisk, destPath, destPrimaryStorage, command.getWaitInMillSeconds()); |
| } |
| catch (Exception ex) { |
| return new MigrateVolumeAnswer(command, false, ex.getMessage(), null); |
| } |
| finally { |
| try { |
| storagePoolManager.disconnectPhysicalDisk(destPrimaryDataStore.getPoolType(), destPrimaryDataStore.getUuid(), destPath); |
| } |
| catch (Exception e) { |
| LOGGER.warn("Unable to disconnect from the destination device.", e); |
| } |
| |
| try { |
| storagePoolManager.disconnectPhysicalDisk(srcPrimaryDataStore.getPoolType(), srcPrimaryDataStore.getUuid(), srcPath); |
| } |
| catch (Exception e) { |
| LOGGER.warn("Unable to disconnect from the source device.", e); |
| } |
| } |
| |
| return new MigrateVolumeAnswer(command, true, null, destPath); |
| } |
| } |