| // |
| // 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 static com.cloud.hypervisor.kvm.storage.StorPoolStorageAdaptor.SP_LOG; |
| |
| import java.util.List; |
| |
| import org.apache.cloudstack.storage.command.CopyCmdAnswer; |
| import org.apache.cloudstack.storage.to.PrimaryDataStoreTO; |
| import org.apache.cloudstack.storage.to.VolumeObjectTO; |
| import org.apache.cloudstack.utils.qemu.QemuImg; |
| import org.apache.cloudstack.utils.qemu.QemuImg.PhysicalDiskFormat; |
| import org.apache.cloudstack.utils.qemu.QemuImgFile; |
| //import java.io.File; |
| import org.apache.log4j.Logger; |
| |
| import com.cloud.agent.api.storage.StorPoolDownloadVolumeCommand; |
| import com.cloud.agent.api.to.DataStoreTO; |
| import com.cloud.agent.api.to.NfsTO; |
| 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.hypervisor.kvm.storage.StorPoolStorageAdaptor; |
| import com.cloud.resource.CommandWrapper; |
| import com.cloud.resource.ResourceWrapper; |
| import com.cloud.storage.Storage.ImageFormat; |
| import com.cloud.storage.Storage.StoragePoolType; |
| |
| @ResourceWrapper(handles = StorPoolDownloadVolumeCommand.class) |
| public final class StorPoolDownloadVolumeCommandWrapper extends CommandWrapper<StorPoolDownloadVolumeCommand, CopyCmdAnswer, LibvirtComputingResource> { |
| |
| private static final Logger s_logger = Logger.getLogger(StorPoolDownloadVolumeCommandWrapper.class); |
| |
| @Override |
| public CopyCmdAnswer execute(final StorPoolDownloadVolumeCommand cmd, final LibvirtComputingResource libvirtComputingResource) { |
| String dstPath = null; |
| KVMStoragePool secondaryPool = null; |
| |
| try { |
| final VolumeObjectTO src = cmd.getSourceTO(); |
| final VolumeObjectTO dst = cmd.getDestinationTO(); |
| final KVMStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr(); |
| SP_LOG("StorpoolDownloadVolumeCommandWrapper.execute: src=" + src.getPath() + " srcName=" + src.getName() + " dst=" + dst.getPath()); |
| |
| final DataStoreTO srcDataStore = src.getDataStore(); |
| KVMPhysicalDisk srcDisk = null; |
| |
| if(srcDataStore instanceof NfsTO) { |
| SP_LOG("StorpoolDownloadVolumeCommandWrapper.execute: srcIsNfsTO"); |
| |
| final String tmplturl = srcDataStore.getUrl() + srcDataStore.getPathSeparator() + src.getPath(); |
| final int index = tmplturl.lastIndexOf("/"); |
| final String mountpoint = tmplturl.substring(0, index); |
| String tmpltname = null; |
| if (index < tmplturl.length() - 1) { |
| tmpltname = tmplturl.substring(index + 1); |
| } |
| |
| secondaryPool = storagePoolMgr.getStoragePoolByURI(mountpoint); |
| |
| if (tmpltname == null) { |
| secondaryPool.refresh(); |
| final List<KVMPhysicalDisk> disks = secondaryPool.listPhysicalDisks(); |
| if (disks == null || disks.isEmpty()) { |
| SP_LOG("Failed to get volumes from pool: " + secondaryPool.getUuid()); |
| return new CopyCmdAnswer("Failed to get volumes from pool: " + secondaryPool.getUuid()); |
| } |
| for (final KVMPhysicalDisk disk : disks) { |
| if (disk.getName().endsWith("qcow2")) { |
| srcDisk = disk; |
| break; |
| } |
| } |
| } else { |
| srcDisk = secondaryPool.getPhysicalDisk(tmpltname); |
| } |
| } else if(srcDataStore instanceof PrimaryDataStoreTO) { |
| SP_LOG("SrcDisk is Primary Storage"); |
| PrimaryDataStoreTO primarySrc = (PrimaryDataStoreTO)srcDataStore; |
| SP_LOG("StorpoolDownloadVolumeCommandWrapper.execute primarySrcPoolType=%s, uuid-%s ", primarySrc.getPoolType(), primarySrc.getUuid()); |
| final KVMStoragePoolManager poolMgr = libvirtComputingResource.getStoragePoolMgr(); |
| srcDisk = poolMgr.getPhysicalDisk(primarySrc.getPoolType(), srcDataStore.getUuid(), src.getPath()); |
| SP_LOG("PhysicalDisk: disk=%s", srcDisk ); |
| } else { |
| return new CopyCmdAnswer("Don't know how to copy from " + srcDataStore.getClass().getName() + ", " + src.getPath() ); |
| } |
| |
| if (srcDisk == null) { |
| SP_LOG("Failed to get src volume"); |
| return new CopyCmdAnswer("Failed to get src volume"); |
| } |
| |
| SP_LOG("got src path: " + srcDisk.getPath() + " srcSize " + srcDisk.getVirtualSize()); |
| |
| String srcPath = null; |
| boolean isRBDPool = srcDisk.getPool().getType() == StoragePoolType.RBD; |
| if (isRBDPool) { |
| KVMStoragePool srcPool = srcDisk.getPool(); |
| String rbdDestPath = srcPool.getSourceDir() + "/" + srcDisk.getName(); |
| srcPath = KVMPhysicalDisk.RBDStringBuilder(srcPool.getSourceHost(), |
| srcPool.getSourcePort(), |
| srcPool.getAuthUserName(), |
| srcPool.getAuthSecret(), |
| rbdDestPath); |
| } else { |
| srcPath = srcDisk.getPath(); |
| } |
| final QemuImgFile srcFile = new QemuImgFile(srcPath, PhysicalDiskFormat.RAW); |
| |
| final QemuImg qemu = new QemuImg(cmd.getWaitInMillSeconds()); |
| StorPoolStorageAdaptor.resize( Long.toString(srcDisk.getVirtualSize()), dst.getPath()); |
| |
| dstPath = dst.getPath(); |
| StorPoolStorageAdaptor.attachOrDetachVolume("attach", "volume", dstPath); |
| |
| final QemuImgFile dstFile = new QemuImgFile(dstPath, srcFile.getFormat()); |
| SP_LOG("SRC format=%s, DST format=%s",srcFile.getFormat(), dstFile.getFormat()); |
| qemu.convert(srcFile, dstFile); |
| SP_LOG("StorpoolDownloadVolumeCommandWrapper VolumeObjectTO format=%s, hypervisor=%s", dst.getFormat(), dst.getHypervisorType()); |
| if (isRBDPool) { |
| dst.setFormat(ImageFormat.QCOW2); |
| } |
| return new CopyCmdAnswer(dst); |
| } catch (final Exception e) { |
| final String error = "Failed to copy volume to primary: " + e.getMessage(); |
| SP_LOG(error); |
| s_logger.debug(error); |
| return new CopyCmdAnswer(cmd, e); |
| } finally { |
| if (dstPath != null) { |
| StorPoolStorageAdaptor.attachOrDetachVolume("detach", "volume", dstPath); |
| } |
| |
| if (secondaryPool != null) { |
| try { |
| secondaryPool.delete(); |
| } catch (final Exception e) { |
| s_logger.debug("Failed to delete secondary storage", e); |
| } |
| } |
| } |
| } |
| } |