| /** |
| * 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.virtualbox.functions; |
| |
| import javax.annotation.Nullable; |
| import javax.annotation.Resource; |
| import javax.inject.Named; |
| |
| import org.jclouds.compute.reference.ComputeServiceConstants; |
| import org.jclouds.logging.Logger; |
| import org.virtualbox_4_1.IMachine; |
| import org.virtualbox_4_1.IProgress; |
| import org.virtualbox_4_1.ISession; |
| import org.virtualbox_4_1.ISnapshot; |
| import org.virtualbox_4_1.VirtualBoxManager; |
| |
| import com.google.common.base.Function; |
| import com.google.common.base.Supplier; |
| import com.google.common.base.Throwables; |
| |
| /** |
| * @author Andrea Turli |
| */ |
| public class TakeSnapshotIfNotAlreadyAttached implements Function<IMachine, ISnapshot> { |
| |
| |
| @Resource |
| @Named(ComputeServiceConstants.COMPUTE_LOGGER) |
| protected Logger logger = Logger.NULL; |
| |
| private Supplier<VirtualBoxManager> manager; |
| private String snapshotName; |
| private String snapshotDesc; |
| |
| |
| public TakeSnapshotIfNotAlreadyAttached(Supplier<VirtualBoxManager> manager, String snapshotName, String snapshotDesc) { |
| this.manager = manager; |
| this.snapshotName = snapshotName; |
| this.snapshotDesc = snapshotDesc; |
| } |
| |
| @Override |
| public ISnapshot apply(@Nullable IMachine machine) { |
| // Snapshot a machine |
| ISession session = null; |
| if(machine.getCurrentSnapshot() == null ) { |
| try { |
| session = manager.get().openMachineSession(machine); |
| IProgress progress = session.getConsole().takeSnapshot(snapshotName, snapshotDesc); |
| if (progress.getCompleted()) |
| logger.debug("Snapshot %s (description: %s) taken from %s", snapshotName, snapshotDesc, machine.getName()); |
| } catch (Exception e) { |
| logger.error(e, "Problem creating snapshot %s (descripton: %s) from machine %s", snapshotName, snapshotDesc, machine.getName()); |
| Throwables.propagate(e); |
| assert false; |
| } finally { |
| session.unlockMachine(); |
| } |
| } |
| return machine.getCurrentSnapshot(); |
| } |
| |
| } |