| // |
| // 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 java.io.File; |
| import java.util.Map; |
| |
| import com.cloud.agent.api.Answer; |
| import com.cloud.agent.api.storage.CopyVolumeAnswer; |
| import com.cloud.agent.api.storage.CopyVolumeCommand; |
| import com.cloud.agent.api.to.DiskTO; |
| import com.cloud.agent.api.to.StorageFilerTO; |
| 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 com.cloud.utils.exception.CloudRuntimeException; |
| |
| import org.apache.cloudstack.storage.to.PrimaryDataStoreTO; |
| import org.apache.cloudstack.storage.to.VolumeObjectTO; |
| |
| @ResourceWrapper(handles = CopyVolumeCommand.class) |
| public final class LibvirtCopyVolumeCommandWrapper extends CommandWrapper<CopyVolumeCommand, Answer, LibvirtComputingResource> { |
| |
| @Override |
| public Answer execute(final CopyVolumeCommand command, final LibvirtComputingResource libvirtComputingResource) { |
| /** |
| * This method is only used for copying files from Primary Storage TO |
| * Secondary Storage |
| * |
| * It COULD also do it the other way around, but the code in the |
| * ManagementServerImpl shows that it always sets copyToSecondary to |
| * true |
| */ |
| |
| Map<String, String> srcDetails = command.getSrcDetails(); |
| |
| if (srcDetails != null) { |
| return handleCopyDataFromVolumeToSecondaryStorageUsingSrcDetails(command, libvirtComputingResource); |
| } |
| |
| final KVMStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr(); |
| |
| final boolean copyToSecondary = command.toSecondaryStorage(); |
| final StorageFilerTO pool = command.getPool(); |
| final String secondaryStorageUrl = command.getSecondaryStorageURL(); |
| |
| KVMStoragePool secondaryStoragePool = null; |
| String volumePath; |
| KVMStoragePool primaryPool; |
| |
| try { |
| try { |
| primaryPool = storagePoolMgr.getStoragePool(pool.getType(), pool.getUuid()); |
| } catch (final CloudRuntimeException e) { |
| if (e.getMessage().contains("not found")) { |
| primaryPool = storagePoolMgr.createStoragePool(pool.getUuid(), pool.getHost(), pool.getPort(), pool.getPath(), |
| pool.getUserInfo(), pool.getType()); |
| } else { |
| return new CopyVolumeAnswer(command, false, e.getMessage(), null, null); |
| } |
| } |
| |
| final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper(); |
| final String volumeName = libvirtUtilitiesHelper.generateUUIDName(); |
| |
| if (copyToSecondary) { |
| final String destVolumeName = volumeName + ".qcow2"; |
| final KVMPhysicalDisk volume = primaryPool.getPhysicalDisk(command.getVolumePath()); |
| final String volumeDestPath = "/volumes/" + command.getVolumeId() + File.separator; |
| |
| secondaryStoragePool = storagePoolMgr.getStoragePoolByURI(secondaryStorageUrl); |
| secondaryStoragePool.createFolder(volumeDestPath); |
| storagePoolMgr.deleteStoragePool(secondaryStoragePool.getType(), secondaryStoragePool.getUuid()); |
| secondaryStoragePool = storagePoolMgr.getStoragePoolByURI(secondaryStorageUrl + volumeDestPath); |
| storagePoolMgr.copyPhysicalDisk(volume, destVolumeName, secondaryStoragePool, 0); |
| |
| return new CopyVolumeAnswer(command, true, null, null, volumeName); |
| } else { |
| volumePath = "/volumes/" + command.getVolumeId() + File.separator; |
| secondaryStoragePool = storagePoolMgr.getStoragePoolByURI(secondaryStorageUrl + volumePath); |
| |
| final KVMPhysicalDisk volume = secondaryStoragePool.getPhysicalDisk(command.getVolumePath() + ".qcow2"); |
| |
| storagePoolMgr.copyPhysicalDisk(volume, volumeName, primaryPool, 0); |
| |
| return new CopyVolumeAnswer(command, true, null, null, volumeName); |
| } |
| } catch (final CloudRuntimeException e) { |
| return new CopyVolumeAnswer(command, false, e.toString(), null, null); |
| } finally { |
| if (secondaryStoragePool != null) { |
| storagePoolMgr.deleteStoragePool(secondaryStoragePool.getType(), secondaryStoragePool.getUuid()); |
| } |
| } |
| } |
| |
| private Answer handleCopyDataFromVolumeToSecondaryStorageUsingSrcDetails(CopyVolumeCommand command, LibvirtComputingResource libvirtComputingResource) { |
| KVMStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr(); |
| PrimaryDataStoreTO srcPrimaryDataStore = null; |
| KVMStoragePool secondaryStoragePool = null; |
| |
| Map<String, String> srcDetails = command.getSrcDetails(); |
| |
| String srcPath = srcDetails.get(DiskTO.IQN); |
| |
| if (srcPath == null) { |
| return new CopyVolumeAnswer(command, false, "No IQN was specified", null, null); |
| } |
| |
| try { |
| LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper(); |
| String destVolumeName = libvirtUtilitiesHelper.generateUUIDName() + ".qcow2"; |
| String destVolumePath = command.getVolumePath() + File.separator; |
| |
| String secondaryStorageUrl = command.getSecondaryStorageURL(); |
| |
| secondaryStoragePool = storagePoolMgr.getStoragePoolByURI(secondaryStorageUrl); |
| |
| secondaryStoragePool.createFolder(File.separator + destVolumePath); |
| |
| storagePoolMgr.deleteStoragePool(secondaryStoragePool.getType(), secondaryStoragePool.getUuid()); |
| |
| secondaryStoragePool = storagePoolMgr.getStoragePoolByURI(secondaryStorageUrl + File.separator + destVolumePath); |
| |
| VolumeObjectTO srcVolumeObjectTO = (VolumeObjectTO)command.getSrcData(); |
| |
| srcPrimaryDataStore = (PrimaryDataStoreTO)srcVolumeObjectTO.getDataStore(); |
| |
| storagePoolMgr.connectPhysicalDisk(srcPrimaryDataStore.getPoolType(), srcPrimaryDataStore.getUuid(), srcPath, srcDetails); |
| |
| KVMPhysicalDisk srcPhysicalDisk = storagePoolMgr.getPhysicalDisk(srcPrimaryDataStore.getPoolType(), srcPrimaryDataStore.getUuid(), srcPath); |
| |
| storagePoolMgr.copyPhysicalDisk(srcPhysicalDisk, destVolumeName, secondaryStoragePool, command.getWait() * 1000); |
| |
| return new CopyVolumeAnswer(command, true, null, null, destVolumePath + destVolumeName); |
| } catch (final CloudRuntimeException e) { |
| return new CopyVolumeAnswer(command, false, e.toString(), null, null); |
| } finally { |
| try { |
| if (srcPrimaryDataStore != null) { |
| storagePoolMgr.disconnectPhysicalDisk(srcPrimaryDataStore.getPoolType(), srcPrimaryDataStore.getUuid(), srcPath); |
| } |
| } |
| catch (Exception e) { |
| logger.warn("Unable to disconnect from the source device.", e); |
| } |
| |
| if (secondaryStoragePool != null) { |
| storagePoolMgr.deleteStoragePool(secondaryStoragePool.getType(), secondaryStoragePool.getUuid()); |
| } |
| } |
| } |
| } |