| 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.compute.strategy; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | import static com.google.common.base.Preconditions.checkState; |
| 23 | import static com.google.common.base.Throwables.getRootCause; |
| 24 | |
| 25 | import java.util.Map; |
| 26 | import java.util.concurrent.Callable; |
| 27 | |
| 28 | import javax.annotation.Resource; |
| 29 | import javax.inject.Named; |
| 30 | |
| 31 | import org.jclouds.compute.callables.RunScriptOnNode; |
| 32 | import org.jclouds.compute.domain.ExecResponse; |
| 33 | import org.jclouds.compute.domain.NodeMetadata; |
| 34 | import org.jclouds.compute.reference.ComputeServiceConstants; |
| 35 | import org.jclouds.logging.Logger; |
| 36 | |
| 37 | import com.google.common.base.Objects; |
| 38 | import com.google.inject.assistedinject.AssistedInject; |
| 39 | |
| 40 | /** |
| 41 | * |
| 42 | * @author Adrian Cole |
| 43 | */ |
| 44 | public class RunScriptOnNodeAndAddToGoodMapOrPutExceptionIntoBadMap implements Callable<ExecResponse> { |
| 45 | |
| 46 | @Resource |
| 47 | @Named(ComputeServiceConstants.COMPUTE_LOGGER) |
| 48 | protected Logger logger = Logger.NULL; |
| 49 | private final RunScriptOnNode runScriptOnNode; |
| 50 | private final Map<NodeMetadata, Exception> badNodes; |
| 51 | private final Map<NodeMetadata, ExecResponse> goodNodes; |
| 52 | |
| 53 | private transient boolean tainted; |
| 54 | |
| 55 | @AssistedInject |
| 56 | public RunScriptOnNodeAndAddToGoodMapOrPutExceptionIntoBadMap(RunScriptOnNode runScriptOnNode, |
| 57 | Map<NodeMetadata, ExecResponse> goodNodes, Map<NodeMetadata, Exception> badNodes) { |
| 58 | this.runScriptOnNode = checkNotNull(runScriptOnNode, "runScriptOnNode"); |
| 59 | this.badNodes = checkNotNull(badNodes, "badNodes"); |
| 60 | this.goodNodes = checkNotNull(goodNodes, "goodNodes"); |
| 61 | } |
| 62 | |
| 63 | @Override |
| 64 | public ExecResponse call() { |
| 65 | checkState(runScriptOnNode != null, "runScriptOnNode must be set"); |
| 66 | checkState(!tainted, "this object is not designed to be reused: %s", toString()); |
| 67 | tainted = true; |
| 68 | try { |
| 69 | ExecResponse exec = runScriptOnNode.call(); |
| 70 | logger.trace("<< script output for node(%s): %s", runScriptOnNode.getNode().getId(), exec); |
| 71 | logger.debug("<< options applied node(%s)", runScriptOnNode.getNode().getId()); |
| 72 | goodNodes.put(runScriptOnNode.getNode(), exec); |
| 73 | return exec; |
| 74 | } catch (Exception e) { |
| 75 | logger.error(e, "<< problem applying options to node(%s): ", runScriptOnNode.getNode().getId(), |
| 76 | getRootCause(e).getMessage()); |
| 77 | badNodes.put(runScriptOnNode.getNode(), e); |
| 78 | } |
| 79 | return null; |
| 80 | } |
| 81 | |
| 82 | @Override |
| 83 | public String toString() { |
| 84 | return Objects.toStringHelper(this).add("runScriptOnNode", runScriptOnNode).add("goodNodes", goodNodes).add( |
| 85 | "badNodes", badNodes).toString(); |
| 86 | } |
| 87 | |
| 88 | } |