| // |
| // 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.io.FileOutputStream; |
| import java.io.IOException; |
| import java.text.DateFormat; |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.naming.ConfigurationException; |
| |
| import org.apache.cloudstack.utils.qemu.QemuImg; |
| import org.apache.cloudstack.utils.qemu.QemuImg.PhysicalDiskFormat; |
| import org.apache.cloudstack.utils.qemu.QemuImgException; |
| import org.apache.cloudstack.utils.qemu.QemuImgFile; |
| |
| import com.cloud.agent.api.Answer; |
| import com.cloud.agent.api.CreatePrivateTemplateFromVolumeCommand; |
| import com.cloud.agent.api.storage.CreatePrivateTemplateAnswer; |
| import com.cloud.exception.InternalErrorException; |
| 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.ImageFormat; |
| import com.cloud.storage.Storage.StoragePoolType; |
| import com.cloud.storage.StorageLayer; |
| import com.cloud.storage.template.Processor; |
| import com.cloud.storage.template.Processor.FormatInfo; |
| import com.cloud.storage.template.QCOW2Processor; |
| import com.cloud.storage.template.TemplateLocation; |
| import com.cloud.utils.exception.CloudRuntimeException; |
| import com.cloud.utils.script.Script; |
| import org.libvirt.LibvirtException; |
| |
| @ResourceWrapper(handles = CreatePrivateTemplateFromVolumeCommand.class) |
| public final class LibvirtCreatePrivateTemplateFromVolumeCommandWrapper extends CommandWrapper<CreatePrivateTemplateFromVolumeCommand, Answer, LibvirtComputingResource> { |
| |
| |
| @Override |
| public Answer execute(final CreatePrivateTemplateFromVolumeCommand command, final LibvirtComputingResource libvirtComputingResource) { |
| final String secondaryStorageURL = command.getSecondaryStorageUrl(); |
| |
| KVMStoragePool secondaryStorage = null; |
| KVMStoragePool primary = null; |
| final KVMStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr(); |
| try { |
| final String templateFolder = command.getAccountId() + File.separator + command.getTemplateId() + File.separator; |
| final String templateInstallFolder = "/template/tmpl/" + templateFolder; |
| |
| secondaryStorage = storagePoolMgr.getStoragePoolByURI(secondaryStorageURL); |
| |
| try { |
| primary = storagePoolMgr.getStoragePool(command.getPool().getType(), command.getPrimaryStoragePoolNameLabel()); |
| } catch (final CloudRuntimeException e) { |
| if (e.getMessage().contains("not found")) { |
| primary = |
| storagePoolMgr.createStoragePool(command.getPool().getUuid(), command.getPool().getHost(), command.getPool().getPort(), command.getPool().getPath(), |
| command.getPool().getUserInfo(), command.getPool().getType()); |
| } else { |
| return new CreatePrivateTemplateAnswer(command, false, e.getMessage()); |
| } |
| } |
| |
| final KVMPhysicalDisk disk = primary.getPhysicalDisk(command.getVolumePath()); |
| final String tmpltPath = secondaryStorage.getLocalPath() + File.separator + templateInstallFolder; |
| final StorageLayer storage = libvirtComputingResource.getStorage(); |
| storage.mkdirs(tmpltPath); |
| |
| if (primary.getType() != StoragePoolType.RBD) { |
| final String createTmplPath = libvirtComputingResource.createTmplPath(); |
| final int cmdsTimeout = libvirtComputingResource.getCmdsTimeout(); |
| |
| final Script scriptCommand = new Script(createTmplPath, cmdsTimeout, logger); |
| scriptCommand.add("-f", disk.getPath()); |
| scriptCommand.add("-t", tmpltPath); |
| scriptCommand.add("-n", command.getUniqueName() + ".qcow2"); |
| |
| final String result = scriptCommand.execute(); |
| |
| if (result != null) { |
| logger.debug("failed to create template: " + result); |
| return new CreatePrivateTemplateAnswer(command, false, result); |
| } |
| } else { |
| logger.debug("Converting RBD disk " + disk.getPath() + " into template " + command.getUniqueName()); |
| |
| final QemuImgFile srcFile = |
| new QemuImgFile(KVMPhysicalDisk.RBDStringBuilder(primary.getSourceHost(), primary.getSourcePort(), primary.getAuthUserName(), |
| primary.getAuthSecret(), disk.getPath())); |
| srcFile.setFormat(PhysicalDiskFormat.RAW); |
| |
| final QemuImgFile destFile = new QemuImgFile(tmpltPath + "/" + command.getUniqueName() + ".qcow2"); |
| destFile.setFormat(PhysicalDiskFormat.QCOW2); |
| |
| try { |
| final QemuImg q = new QemuImg(0); |
| q.convert(srcFile, destFile); |
| } catch (final QemuImgException | LibvirtException e) { |
| logger.error("Failed to create new template while converting " + srcFile.getFileName() + " to " + destFile.getFileName() + " the error was: " + |
| e.getMessage()); |
| } |
| |
| final File templateProp = new File(tmpltPath + "/template.properties"); |
| if (!templateProp.exists()) { |
| templateProp.createNewFile(); |
| } |
| |
| String templateContent = "filename=" + command.getUniqueName() + ".qcow2" + System.getProperty("line.separator"); |
| |
| final DateFormat dateFormat = new SimpleDateFormat("MM_dd_yyyy"); |
| final Date date = new Date(); |
| templateContent += "snapshot.name=" + dateFormat.format(date) + System.getProperty("line.separator"); |
| |
| try(FileOutputStream templFo = new FileOutputStream(templateProp);) { |
| templFo.write(templateContent.getBytes("UTF-8")); |
| templFo.flush(); |
| }catch(final IOException ex) |
| { |
| logger.error("CreatePrivateTemplateAnswer:Exception:"+ex.getMessage()); |
| } |
| |
| } |
| |
| final Map<String, Object> params = new HashMap<String, Object>(); |
| params.put(StorageLayer.InstanceConfigKey, storage); |
| final Processor qcow2Processor = new QCOW2Processor(); |
| |
| qcow2Processor.configure("QCOW2 Processor", params); |
| |
| final FormatInfo info = qcow2Processor.process(tmpltPath, null, command.getUniqueName()); |
| |
| final TemplateLocation loc = new TemplateLocation(storage, tmpltPath); |
| loc.create(1, true, command.getUniqueName()); |
| loc.addFormat(info); |
| loc.save(); |
| |
| return new CreatePrivateTemplateAnswer(command, true, null, templateInstallFolder + command.getUniqueName() + ".qcow2", info.virtualSize, info.size, |
| command.getUniqueName(), ImageFormat.QCOW2); |
| } catch (final InternalErrorException e) { |
| return new CreatePrivateTemplateAnswer(command, false, e.toString()); |
| } catch (final IOException e) { |
| return new CreatePrivateTemplateAnswer(command, false, e.toString()); |
| } catch (final ConfigurationException e) { |
| return new CreatePrivateTemplateAnswer(command, false, e.toString()); |
| } catch (final CloudRuntimeException e) { |
| return new CreatePrivateTemplateAnswer(command, false, e.toString()); |
| } finally { |
| if (secondaryStorage != null) { |
| storagePoolMgr.deleteStoragePool(secondaryStorage.getType(), secondaryStorage.getUuid()); |
| } |
| } |
| } |
| } |