| /** |
| * 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 static com.google.common.base.Throwables.propagate; |
| |
| 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.jclouds.virtualbox.domain.ErrorCode; |
| import org.jclouds.virtualbox.domain.ExecutionType; |
| import org.virtualbox_4_1.IMachine; |
| import org.virtualbox_4_1.IProgress; |
| import org.virtualbox_4_1.ISession; |
| import org.virtualbox_4_1.SessionState; |
| import org.virtualbox_4_1.VBoxException; |
| import org.virtualbox_4_1.VirtualBoxManager; |
| |
| import com.google.common.base.Function; |
| |
| /** |
| * Starts a machine using launchMachine() with the provided type and |
| * environment. |
| * <p/> |
| * Note that launchMachine() may throw VBoxException with the following error |
| * codes: |
| * <p/> |
| * VBOX_E_UNEXPECTED: Virtual machine not registered. VBOX_E_INVALIDARG: Invalid |
| * session type type. VBOX_E_OBJECT_NOT_FOUND: No machine matching machineId |
| * found. VBOX_E_INVALID_OBJECT_STATE: Session already open or being opened. |
| * VBOX_E_IPRT_ERROR: Launching process for machine failed. VBOX_E_VM_ERROR: |
| * Failed to assign machine to session. |
| * |
| * @author Mattias Holmqvist |
| * @see ErrorCode |
| */ |
| public class LaunchMachineIfNotAlreadyRunning implements Function<IMachine, ISession> { |
| |
| @Resource |
| @Named(ComputeServiceConstants.COMPUTE_LOGGER) |
| protected Logger logger = Logger.NULL; |
| |
| private final VirtualBoxManager manager; |
| private final ExecutionType type; |
| private final String environment; |
| |
| public LaunchMachineIfNotAlreadyRunning(VirtualBoxManager manager, ExecutionType type, String environment) { |
| this.manager = manager; |
| this.type = type; |
| this.environment = environment; |
| } |
| |
| @Override |
| public ISession apply(@Nullable IMachine machine) { |
| ISession session = manager.getSessionObject(); |
| try { |
| final IProgress progress = machine |
| .launchVMProcess(session, type.stringValue(), environment); |
| progress.waitForCompletion(-1); |
| try { |
| Thread.sleep(3000l); |
| } catch (InterruptedException e) { |
| propagate(e); |
| } |
| } catch (VBoxException e) { |
| ErrorCode errorCode = ErrorCode.valueOf(e); |
| switch (errorCode) { |
| case VBOX_E_INVALID_OBJECT_STATE: |
| logger.warn(e, "Could not start machine. Got error code %s from launchMachine(). " |
| + "The machine might already be running.", errorCode); |
| break; |
| default: |
| propagate(e); |
| } |
| } finally { |
| if (session.getState() == SessionState.Locked) { |
| // Remove session lock taken by launchVmProcess() |
| session.unlockMachine(); |
| // TODO this unlock is not IMMEDIATELY visible outside (vbox doc) |
| } |
| } |
| return session; |
| } |
| } |