| // |
| // 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.CopyRemoteVolumeAnswer; |
| import com.cloud.agent.api.CopyRemoteVolumeCommand; |
| 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.storage.Storage; |
| import com.cloud.utils.exception.CloudRuntimeException; |
| import org.apache.cloudstack.utils.qemu.QemuImg; |
| import org.apache.cloudstack.utils.qemu.QemuImgException; |
| import org.apache.cloudstack.utils.qemu.QemuImgFile; |
| import org.apache.log4j.Logger; |
| import org.libvirt.LibvirtException; |
| |
| import java.util.Map; |
| |
| @ResourceWrapper(handles = CopyRemoteVolumeCommand.class) |
| public final class LibvirtCopyRemoteVolumeCommandWrapper extends CommandWrapper<CopyRemoteVolumeCommand, Answer, LibvirtComputingResource> { |
| |
| private static final Logger s_logger = Logger.getLogger(LibvirtCopyRemoteVolumeCommandWrapper.class); |
| |
| @Override |
| public Answer execute(final CopyRemoteVolumeCommand command, final LibvirtComputingResource libvirtComputingResource) { |
| String result = null; |
| String srcIp = command.getRemoteIp(); |
| String username = command.getUsername(); |
| String password = command.getPassword(); |
| String srcFile = command.getSrcFile(); |
| StorageFilerTO storageFilerTO = command.getStorageFilerTO(); |
| String tmpPath = command.getTmpPath(); |
| KVMStoragePoolManager poolMgr = libvirtComputingResource.getStoragePoolMgr(); |
| KVMStoragePool pool = poolMgr.getStoragePool(storageFilerTO.getType(), storageFilerTO.getUuid()); |
| String dstPath = pool.getLocalPath(); |
| |
| try { |
| if (storageFilerTO.getType() == Storage.StoragePoolType.Filesystem || |
| storageFilerTO.getType() == Storage.StoragePoolType.NetworkFilesystem) { |
| String filename = libvirtComputingResource.copyVolume(srcIp, username, password, dstPath, srcFile, tmpPath); |
| s_logger.debug("Volume Copy Successful"); |
| final KVMPhysicalDisk vol = pool.getPhysicalDisk(filename); |
| final String path = vol.getPath(); |
| long size = getVirtualSizeFromFile(path); |
| return new CopyRemoteVolumeAnswer(command, "", filename, size); |
| } else { |
| return new Answer(command, false, "Unsupported Storage Pool"); |
| } |
| |
| } catch (final Exception e) { |
| s_logger.error("Error while copying file from remote host: "+ e.getMessage()); |
| return new Answer(command, false, result); |
| } |
| } |
| |
| private long getVirtualSizeFromFile(String path) { |
| try { |
| QemuImg qemu = new QemuImg(0); |
| QemuImgFile qemuFile = new QemuImgFile(path); |
| Map<String, String> info = qemu.info(qemuFile); |
| if (info.containsKey(QemuImg.VIRTUAL_SIZE)) { |
| return Long.parseLong(info.get(QemuImg.VIRTUAL_SIZE)); |
| } else { |
| throw new CloudRuntimeException("Unable to determine virtual size of volume at path " + path); |
| } |
| } catch (QemuImgException | LibvirtException ex) { |
| throw new CloudRuntimeException("Error when inspecting volume at path " + path, ex); |
| } |
| } |
| } |