| // |
| // 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.io.File; |
| import java.util.List; |
| |
| import org.apache.cloudstack.storage.command.CopyCmdAnswer; |
| import org.apache.cloudstack.storage.to.TemplateObjectTO; |
| import org.apache.cloudstack.utils.qemu.QemuImg; |
| import org.apache.cloudstack.utils.qemu.QemuImg.PhysicalDiskFormat; |
| import org.apache.cloudstack.utils.qemu.QemuImgFile; |
| import org.apache.commons.collections.CollectionUtils; |
| import org.apache.log4j.Logger; |
| |
| import com.cloud.agent.api.storage.StorPoolDownloadTemplateCommand; |
| import com.cloud.agent.api.to.DataStoreTO; |
| import com.cloud.agent.api.to.DataTO; |
| 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; |
| |
| @ResourceWrapper(handles = StorPoolDownloadTemplateCommand.class) |
| public final class StorPoolDownloadTemplateCommandWrapper extends CommandWrapper<StorPoolDownloadTemplateCommand, CopyCmdAnswer, LibvirtComputingResource> { |
| |
| private static final Logger s_logger = Logger.getLogger(StorPoolDownloadTemplateCommandWrapper.class); |
| |
| @Override |
| public CopyCmdAnswer execute(final StorPoolDownloadTemplateCommand cmd, final LibvirtComputingResource libvirtComputingResource) { |
| String dstPath = null; |
| KVMStoragePool secondaryPool = null; |
| DataTO src = cmd.getSourceTO(); |
| DataTO dst = cmd.getDestinationTO(); |
| |
| try { |
| final KVMStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr(); |
| SP_LOG("StorpoolDownloadTemplateCommandWrapper.execute: src=" + src.getPath() + " dst=" + dst.getPath()); |
| |
| final DataStoreTO srcDataStore = src.getDataStore(); |
| if (!(srcDataStore instanceof NfsTO)) { |
| return new CopyCmdAnswer("Download template to Storpool: Only NFS secondary supported at present!"); |
| } |
| |
| final NfsTO nfsImageStore = (NfsTO)srcDataStore; |
| final String tmplturl = nfsImageStore.getUrl() + File.separator + 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); |
| |
| KVMPhysicalDisk srcDisk = null; |
| |
| if (tmpltname == null) { |
| secondaryPool.refresh(); |
| final List<KVMPhysicalDisk> disks = secondaryPool.listPhysicalDisks(); |
| if (CollectionUtils.isEmpty(disks)) { |
| 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); |
| } |
| |
| if (srcDisk == null) { |
| SP_LOG("Failed to get template from pool: " + secondaryPool.getUuid()); |
| return new CopyCmdAnswer("Failed to get template from pool: " + secondaryPool.getUuid()); |
| } |
| |
| SP_LOG("got src path: " + srcDisk.getPath() + " srcSize " + srcDisk.getVirtualSize()); |
| |
| final QemuImgFile srcFile = new QemuImgFile(srcDisk.getPath(), srcDisk.getFormat()); |
| |
| final QemuImg qemu = new QemuImg(cmd.getWaitInMillSeconds()); |
| StorPoolStorageAdaptor.resize( Long.toString(srcDisk.getVirtualSize()), dst.getPath()); |
| |
| if (dst instanceof TemplateObjectTO) { |
| ((TemplateObjectTO) dst).setSize(srcDisk.getVirtualSize()); |
| } |
| |
| dstPath = dst.getPath(); |
| StorPoolStorageAdaptor.attachOrDetachVolume("attach", cmd.getObjectType(), dstPath); |
| |
| final QemuImgFile dstFile = new QemuImgFile(dstPath, PhysicalDiskFormat.RAW); |
| |
| qemu.convert(srcFile, dstFile); |
| return new CopyCmdAnswer(dst); |
| } catch (final Exception e) { |
| final String error = "Failed to copy template to primary: " + e.getMessage(); |
| s_logger.debug(error); |
| return new CopyCmdAnswer(cmd, e); |
| } finally { |
| if (dstPath != null) { |
| StorPoolStorageAdaptor.attachOrDetachVolume("detach", cmd.getObjectType(), dstPath); |
| } |
| |
| if (secondaryPool != null) { |
| try { |
| secondaryPool.delete(); |
| } catch (final Exception e) { |
| s_logger.debug("Failed to delete secondary storage", e); |
| } |
| } |
| } |
| } |
| } |