| 1 | /** |
| 2 | * |
| 3 | * Copyright (C) 2011 Cloud Conscious, LLC. <info@cloudconscious.com> |
| 4 | * |
| 5 | * ==================================================================== |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | * ==================================================================== |
| 18 | */ |
| 19 | package org.jclouds.vcloud.compute.internal; |
| 20 | |
| 21 | import java.net.URI; |
| 22 | import java.util.Set; |
| 23 | |
| 24 | import javax.annotation.Resource; |
| 25 | import javax.inject.Named; |
| 26 | import javax.inject.Singleton; |
| 27 | |
| 28 | import org.jclouds.compute.reference.ComputeServiceConstants; |
| 29 | import org.jclouds.logging.Logger; |
| 30 | import org.jclouds.vcloud.CommonVCloudClient; |
| 31 | import org.jclouds.vcloud.compute.CommonVCloudComputeClient; |
| 32 | import org.jclouds.vcloud.domain.ReferenceType; |
| 33 | import org.jclouds.vcloud.domain.Status; |
| 34 | import org.jclouds.vcloud.domain.Task; |
| 35 | |
| 36 | import com.google.common.base.Predicate; |
| 37 | import com.google.inject.Inject; |
| 38 | |
| 39 | /** |
| 40 | * @author Adrian Cole |
| 41 | */ |
| 42 | @Singleton |
| 43 | public abstract class CommonVCloudComputeClientImpl<T, A extends ReferenceType> implements CommonVCloudComputeClient { |
| 44 | @Resource |
| 45 | @Named(ComputeServiceConstants.COMPUTE_LOGGER) |
| 46 | protected Logger logger = Logger.NULL; |
| 47 | |
| 48 | protected final CommonVCloudClient client; |
| 49 | protected final Predicate<URI> taskTester; |
| 50 | |
| 51 | @Inject |
| 52 | public CommonVCloudComputeClientImpl(CommonVCloudClient client, Predicate<URI> successTester) { |
| 53 | this.client = client; |
| 54 | this.taskTester = successTester; |
| 55 | } |
| 56 | |
| 57 | @Override |
| 58 | public void reset(URI id) { |
| 59 | A vApp = refreshVApp(id); |
| 60 | logger.debug(">> resetting vApp(%s)", vApp.getName()); |
| 61 | Task task = reset(vApp); |
| 62 | if (!taskTester.apply(task.getHref())) { |
| 63 | throw new RuntimeException(String.format("failed to %s %s: %s", "resetVApp", vApp.getName(), task)); |
| 64 | } |
| 65 | logger.debug("<< on vApp(%s)", vApp.getName()); |
| 66 | } |
| 67 | |
| 68 | protected abstract Task reset(A vApp); |
| 69 | |
| 70 | protected abstract A refreshVApp(URI id); |
| 71 | |
| 72 | @Override |
| 73 | public void stop(URI id) { |
| 74 | A vApp = refreshVApp(id); |
| 75 | vApp = powerOffVAppIfDeployed(vApp); |
| 76 | vApp = undeployVAppIfDeployed(vApp); |
| 77 | deleteVApp(vApp); |
| 78 | logger.debug("<< deleted vApp(%s)", vApp.getName()); |
| 79 | } |
| 80 | |
| 81 | protected abstract void deleteVApp(A vApp); |
| 82 | |
| 83 | private A undeployVAppIfDeployed(A vApp) { |
| 84 | if (getStatus(vApp).compareTo(Status.RESOLVED) > 0) { |
| 85 | logger.debug(">> undeploying vApp(%s), current status: %s", vApp.getName(), getStatus(vApp)); |
| 86 | Task task = undeploy(vApp); |
| 87 | if (!taskTester.apply(task.getHref())) { |
| 88 | // TODO timeout |
| 89 | throw new RuntimeException(String.format("failed to %s %s: %s", "undeploy", vApp.getName(), task)); |
| 90 | } |
| 91 | vApp = refreshVApp(vApp.getHref()); |
| 92 | logger.debug("<< %s vApp(%s)", getStatus(vApp), vApp.getName()); |
| 93 | } |
| 94 | return vApp; |
| 95 | } |
| 96 | |
| 97 | protected abstract Task undeploy(A vApp); |
| 98 | |
| 99 | private A powerOffVAppIfDeployed(A vApp) { |
| 100 | if (getStatus(vApp).compareTo(Status.OFF) > 0) { |
| 101 | logger.debug(">> powering off vApp(%s), current status: %s", vApp.getName(), getStatus(vApp)); |
| 102 | Task task = powerOff(vApp); |
| 103 | if (!taskTester.apply(task.getHref())) { |
| 104 | // TODO timeout |
| 105 | throw new RuntimeException(String.format("failed to %s %s: %s", "powerOff", vApp.getName(), task)); |
| 106 | } |
| 107 | vApp = refreshVApp(vApp.getHref()); |
| 108 | logger.debug("<< %s vApp(%s)", getStatus(vApp), vApp.getName()); |
| 109 | } |
| 110 | return vApp; |
| 111 | } |
| 112 | |
| 113 | protected abstract Task powerOff(A vApp); |
| 114 | |
| 115 | protected abstract Status getStatus(A vApp); |
| 116 | |
| 117 | @Override |
| 118 | public abstract Set<String> getPrivateAddresses(URI id); |
| 119 | |
| 120 | @Override |
| 121 | public abstract Set<String> getPublicAddresses(URI id); |
| 122 | |
| 123 | } |