/**
* 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;
import java.io.StringReader;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ExecutorService;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Provider;
import javax.inject.Singleton;
import org.jclouds.Constants;
import org.jclouds.collect.Memoized;
import org.jclouds.compute.ComputeServiceContext;
import org.jclouds.compute.ImageExtension;
import org.jclouds.compute.callables.RunScriptOnNode;
import org.jclouds.compute.domain.Hardware;
import org.jclouds.compute.domain.Image;
import org.jclouds.compute.domain.NodeMetadata;
import org.jclouds.compute.domain.TemplateBuilder;
import org.jclouds.compute.internal.BaseComputeService;
import org.jclouds.compute.internal.PersistNodeCredentials;
import org.jclouds.compute.options.TemplateOptions;
import org.jclouds.compute.reference.ComputeServiceConstants.Timeouts;
import org.jclouds.compute.strategy.CreateNodesInGroupThenAddToSet;
import org.jclouds.compute.strategy.DestroyNodeStrategy;
import org.jclouds.compute.strategy.GetNodeMetadataStrategy;
import org.jclouds.compute.strategy.InitializeRunScriptOnNodeOrPlaceInBadMap;
import org.jclouds.compute.strategy.ListNodesStrategy;
import org.jclouds.compute.strategy.RebootNodeStrategy;
import org.jclouds.compute.strategy.ResumeNodeStrategy;
import org.jclouds.compute.strategy.SuspendNodeStrategy;
import org.jclouds.domain.Credentials;
import org.jclouds.domain.Location;
import org.jclouds.scriptbuilder.functions.InitAdminAccess;
import org.libvirt.Connect;
import org.libvirt.StorageVol;
import org.xml.sax.InputSource;
import com.google.common.base.Optional;
import com.google.common.base.Predicate;
import com.google.common.base.Supplier;
import com.google.common.base.Throwables;
import com.jamesmurty.utils.XMLBuilder;
/**
*
* @author andrea turli
*
*/
@Singleton
public class LibvirtComputeService extends BaseComputeService {
private final Connect client;
@Inject
protected LibvirtComputeService(ComputeServiceContext context, Map<String, Credentials> credentialStore,
@Memoized Supplier<Set<? extends Image>> images,
@Memoized Supplier<Set<? extends Hardware>> hardwareProfiles,
@Memoized Supplier<Set<? extends Location>> locations, ListNodesStrategy listNodesStrategy,
GetNodeMetadataStrategy getNodeMetadataStrategy,
CreateNodesInGroupThenAddToSet runNodesAndAddToSetStrategy, RebootNodeStrategy rebootNodeStrategy,
DestroyNodeStrategy destroyNodeStrategy, ResumeNodeStrategy resumeNodeStrategy,
SuspendNodeStrategy suspendNodeStrategy, Provider<TemplateBuilder> templateBuilderProvider,
Provider<TemplateOptions> templateOptionsProvider,
@Named("NODE_RUNNING") Predicate<NodeMetadata> nodeRunning,
@Named("NODE_TERMINATED") Predicate<NodeMetadata> nodeTerminated,
@Named("NODE_SUSPENDED") Predicate<NodeMetadata> nodeSuspended,
InitializeRunScriptOnNodeOrPlaceInBadMap.Factory initScriptRunnerFactory, InitAdminAccess initAdminAccess,
RunScriptOnNode.Factory runScriptOnNodeFactory, PersistNodeCredentials persistNodeCredentials,
Timeouts timeouts, @Named(Constants.PROPERTY_USER_THREADS) ExecutorService executor, Connect client,
Optional<ImageExtension> imageExtension) {
super(context, credentialStore, images, hardwareProfiles, locations, listNodesStrategy, getNodeMetadataStrategy,
runNodesAndAddToSetStrategy, rebootNodeStrategy, destroyNodeStrategy, resumeNodeStrategy,
suspendNodeStrategy, templateBuilderProvider, templateOptionsProvider, nodeRunning, nodeTerminated,
nodeSuspended, initScriptRunnerFactory, initAdminAccess, runScriptOnNodeFactory, persistNodeCredentials,
timeouts, executor, imageExtension);
this.client = client;
}
@Override
protected void cleanUpIncidentalResourcesOfDeadNodes(Set<? extends NodeMetadata> deadNodes) {
// TODO Was previously commented out in overridden destroyNode; refactored to here but left commented out
// for (NodeMetadata deadNode : deadNodes) {
// eliminateDomain(deadNode.getId());
// }
}
private void eliminateDomain(String id) {
try {
XMLBuilder builder = XMLBuilder.parse(new InputSource(new StringReader(client.domainLookupByUUIDString(id)
.getXMLDesc(0))));
String diskFileName = builder.xpathFind("//devices/disk[@device='disk']/source").getElement().getAttribute(
"file");
StorageVol storageVol = client.storageVolLookupByPath(diskFileName);
storageVol.delete(0);
client.domainLookupByUUIDString(id).undefine();
} catch (Exception e) {
Throwables.propagate(e);
}
}
}