| /** |
| * Licensed to jclouds, Inc. (jclouds) under one or more |
| * contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. jclouds 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 org.jclouds.libvirt.compute.functions; |
| |
| import java.io.IOException; |
| import java.io.StringReader; |
| import java.util.List; |
| |
| import javax.inject.Singleton; |
| import javax.xml.parsers.ParserConfigurationException; |
| import javax.xml.xpath.XPathConstants; |
| import javax.xml.xpath.XPathExpression; |
| import javax.xml.xpath.XPathExpressionException; |
| import javax.xml.xpath.XPathFactory; |
| |
| import org.jclouds.compute.domain.Hardware; |
| import org.jclouds.compute.domain.HardwareBuilder; |
| import org.jclouds.compute.domain.Processor; |
| import org.jclouds.compute.domain.Volume; |
| import org.jclouds.compute.domain.internal.VolumeImpl; |
| import org.libvirt.Domain; |
| import org.libvirt.LibvirtException; |
| import org.libvirt.StorageVol; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.NodeList; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.SAXException; |
| |
| import com.google.common.base.Function; |
| import com.google.common.base.Throwables; |
| import com.google.common.collect.Lists; |
| |
| import com.jamesmurty.utils.XMLBuilder; |
| |
| /** |
| * @author Adrian Cole |
| */ |
| @Singleton |
| public class DomainToHardware implements Function<Domain, Hardware> { |
| |
| @Override |
| public Hardware apply(Domain from) { |
| HardwareBuilder builder = new HardwareBuilder(); |
| |
| try { |
| builder.id(from.getUUIDString()); |
| builder.providerId(from.getID() + ""); |
| builder.name(from.getName()); |
| List<Processor> processors = Lists.newArrayList(); |
| for (int i = 0; i < from.getInfo().nrVirtCpu; i++) { |
| processors.add(new Processor(i + 1, 1)); |
| } |
| builder.processors(processors); |
| |
| builder.ram((int) from.getInfo().maxMem); |
| List<Volume> volumes = Lists.newArrayList(); |
| XMLBuilder xmlBuilder = XMLBuilder.parse(new InputSource(new StringReader(from.getXMLDesc(0)))); |
| Document doc = xmlBuilder.getDocument(); |
| XPathExpression expr = XPathFactory.newInstance().newXPath().compile("//devices/disk[@device='disk']/source/@file"); |
| NodeList nodes = (NodeList) expr.evaluate(doc, XPathConstants.NODESET); |
| String diskFileName = nodes.item(0).getNodeValue(); |
| for (int i = 0; i < nodes.getLength(); i++) { |
| StorageVol storageVol = from.getConnect().storageVolLookupByPath(diskFileName); |
| String id = storageVol.getKey(); |
| float size = new Long(storageVol.getInfo().capacity).floatValue(); |
| volumes.add(new VolumeImpl(id, Volume.Type.LOCAL, size, null, true, false)); |
| } |
| builder.volumes((List<Volume>) volumes); |
| } catch (LibvirtException e) { |
| Throwables.propagate(e); |
| } catch (XPathExpressionException e) { |
| Throwables.propagate(e); |
| } catch (ParserConfigurationException e) { |
| Throwables.propagate(e); |
| } catch (SAXException e) { |
| Throwables.propagate(e); |
| } catch (IOException e) { |
| Throwables.propagate(e); |
| } |
| return builder.build(); |
| } |
| } |