| // |
| // 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.IOException; |
| |
| import javax.naming.ConfigurationException; |
| |
| import org.apache.log4j.Logger; |
| |
| import com.cloud.agent.api.Answer; |
| import com.cloud.agent.api.CreatePrivateTemplateFromSnapshotCommand; |
| 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.StorageLayer; |
| import com.cloud.storage.template.Processor; |
| import com.cloud.storage.template.Processor.FormatInfo; |
| import com.cloud.storage.template.TemplateLocation; |
| import com.cloud.utils.exception.CloudRuntimeException; |
| import com.cloud.utils.script.Script; |
| |
| @ResourceWrapper(handles = CreatePrivateTemplateFromSnapshotCommand.class) |
| public final class LibvirtCreatePrivateTemplateFromSnapshotCommandWrapper extends CommandWrapper<CreatePrivateTemplateFromSnapshotCommand, Answer, LibvirtComputingResource> { |
| |
| private static final Logger s_logger = Logger.getLogger(LibvirtCreatePrivateTemplateFromSnapshotCommandWrapper.class); |
| |
| @Override |
| public Answer execute(final CreatePrivateTemplateFromSnapshotCommand command, final LibvirtComputingResource libvirtComputingResource) { |
| final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper(); |
| |
| final String templateFolder = command.getAccountId() + File.separator + command.getNewTemplateId(); |
| final String templateInstallFolder = "template/tmpl/" + templateFolder; |
| final String tmplName = libvirtUtilitiesHelper.generateUUIDName(); |
| final String tmplFileName = tmplName + ".qcow2"; |
| |
| KVMStoragePool secondaryPool = null; |
| KVMStoragePool snapshotPool = null; |
| final KVMStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr(); |
| |
| try { |
| String snapshotPath = command.getSnapshotUuid(); |
| final int index = snapshotPath.lastIndexOf("/"); |
| snapshotPath = snapshotPath.substring(0, index); |
| |
| snapshotPool = storagePoolMgr.getStoragePoolByURI(command.getSecondaryStorageUrl() + snapshotPath); |
| secondaryPool = storagePoolMgr.getStoragePoolByURI(command.getSecondaryStorageUrl()); |
| |
| final KVMPhysicalDisk snapshot = snapshotPool.getPhysicalDisk(command.getSnapshotName()); |
| |
| final String templatePath = secondaryPool.getLocalPath() + File.separator + templateInstallFolder; |
| |
| final StorageLayer storage = libvirtComputingResource.getStorage(); |
| storage.mkdirs(templatePath); |
| |
| final String tmplPath = templateInstallFolder + File.separator + tmplFileName; |
| final String createTmplPath = libvirtComputingResource.createTmplPath(); |
| final int cmdsTimeout = libvirtComputingResource.getCmdsTimeout(); |
| |
| final Script scriptCommand = new Script(createTmplPath, cmdsTimeout, s_logger); |
| scriptCommand.add("-t", templatePath); |
| scriptCommand.add("-n", tmplFileName); |
| scriptCommand.add("-f", snapshot.getPath()); |
| scriptCommand.execute(); |
| |
| final Processor qcow2Processor = libvirtUtilitiesHelper.buildQCOW2Processor(storage); |
| final FormatInfo info = qcow2Processor.process(templatePath, null, tmplName); |
| final TemplateLocation loc = libvirtUtilitiesHelper.buildTemplateLocation(storage, templatePath); |
| |
| loc.create(1, true, tmplName); |
| loc.addFormat(info); |
| loc.save(); |
| |
| return new CreatePrivateTemplateAnswer(command, true, "", tmplPath, info.virtualSize, info.size, tmplName, info.format); |
| } catch (final ConfigurationException e) { |
| return new CreatePrivateTemplateAnswer(command, false, e.getMessage()); |
| } catch (final InternalErrorException e) { |
| return new CreatePrivateTemplateAnswer(command, false, e.getMessage()); |
| } catch (final IOException e) { |
| return new CreatePrivateTemplateAnswer(command, false, e.getMessage()); |
| } catch (final CloudRuntimeException e) { |
| return new CreatePrivateTemplateAnswer(command, false, e.getMessage()); |
| } finally { |
| if (secondaryPool != null) { |
| storagePoolMgr.deleteStoragePool(secondaryPool.getType(), secondaryPool.getUuid()); |
| } |
| if (snapshotPool != null) { |
| storagePoolMgr.deleteStoragePool(snapshotPool.getType(), snapshotPool.getUuid()); |
| } |
| } |
| } |
| } |