001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements. See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership. The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License. You may obtain a copy of the License at
009 *
010 * http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018 package org.apache.oozie.command.coord;
019
020 import org.apache.oozie.client.CoordinatorJob;
021 import org.apache.oozie.client.Job;
022 import org.apache.oozie.CoordinatorActionBean;
023 import org.apache.oozie.CoordinatorJobBean;
024 import org.apache.oozie.ErrorCode;
025 import org.apache.oozie.XException;
026 import org.apache.oozie.command.bundle.BundleStatusUpdateXCommand;
027 import org.apache.oozie.command.wf.KillXCommand;
028 import org.apache.oozie.command.CommandException;
029 import org.apache.oozie.command.KillTransitionXCommand;
030 import org.apache.oozie.command.PreconditionException;
031 import org.apache.oozie.executor.jpa.CoordActionUpdateJPAExecutor;
032 import org.apache.oozie.executor.jpa.CoordJobGetActionsJPAExecutor;
033 import org.apache.oozie.executor.jpa.CoordJobGetJPAExecutor;
034 import org.apache.oozie.executor.jpa.CoordJobUpdateJPAExecutor;
035 import org.apache.oozie.executor.jpa.JPAExecutorException;
036 import org.apache.oozie.service.JPAService;
037 import org.apache.oozie.service.Services;
038 import org.apache.oozie.util.LogUtils;
039 import org.apache.oozie.util.ParamChecker;
040 import org.apache.oozie.util.StatusUtils;
041
042 import java.util.Date;
043 import java.util.List;
044
045 public class CoordKillXCommand extends KillTransitionXCommand {
046
047 private final String jobId;
048 private CoordinatorJobBean coordJob;
049 private List<CoordinatorActionBean> actionList;
050 private JPAService jpaService = null;
051 private CoordinatorJob.Status prevStatus = null;
052
053 public CoordKillXCommand(String id) {
054 super("coord_kill", "coord_kill", 2);
055 this.jobId = ParamChecker.notEmpty(id, "id");
056 }
057
058 @Override
059 protected boolean isLockRequired() {
060 return true;
061 }
062
063 @Override
064 protected String getEntityKey() {
065 return this.jobId;
066 }
067
068 @Override
069 protected void loadState() throws CommandException {
070 try {
071 jpaService = Services.get().get(JPAService.class);
072
073 if (jpaService != null) {
074 this.coordJob = jpaService.execute(new CoordJobGetJPAExecutor(jobId));
075 this.actionList = jpaService.execute(new CoordJobGetActionsJPAExecutor(jobId));
076 prevStatus = coordJob.getStatus();
077 LogUtils.setLogInfo(coordJob, logInfo);
078 }
079 else {
080 throw new CommandException(ErrorCode.E0610);
081 }
082 }
083 catch (XException ex) {
084 throw new CommandException(ex);
085 }
086 }
087
088 @Override
089 protected void verifyPrecondition() throws CommandException, PreconditionException {
090 // if namespace 0.1 is used and backward support is true, SUCCEEDED coord job can be killed
091 if (StatusUtils.isV1CoordjobKillable(coordJob)) {
092 return;
093 }
094 if (coordJob.getStatus() == CoordinatorJob.Status.SUCCEEDED
095 || coordJob.getStatus() == CoordinatorJob.Status.FAILED
096 || coordJob.getStatus() == CoordinatorJob.Status.DONEWITHERROR) {
097 LOG.info("CoordKillXCommand not killed - job either finished SUCCEEDED, FAILED or DONEWITHERROR, job id = "
098 + jobId + ", status = " + coordJob.getStatus());
099 throw new PreconditionException(ErrorCode.E1020, jobId);
100 }
101 }
102
103 private void updateCoordAction(CoordinatorActionBean action) throws CommandException {
104 action.setStatus(CoordinatorActionBean.Status.KILLED);
105 action.incrementAndGetPending();
106 action.setLastModifiedTime(new Date());
107 try {
108 jpaService.execute(new CoordActionUpdateJPAExecutor(action));
109 }
110 catch (JPAExecutorException e) {
111 throw new CommandException(e);
112 }
113 }
114
115 @Override
116 public void killChildren() throws CommandException {
117 try {
118 if (actionList != null) {
119 for (CoordinatorActionBean action : actionList) {
120 if (action.getStatus() != CoordinatorActionBean.Status.FAILED
121 && action.getStatus() != CoordinatorActionBean.Status.TIMEDOUT
122 && action.getStatus() != CoordinatorActionBean.Status.SUCCEEDED
123 && action.getStatus() != CoordinatorActionBean.Status.KILLED) {
124 // queue a WorkflowKillXCommand to delete the workflow job and actions
125 if (action.getExternalId() != null) {
126 queue(new KillXCommand(action.getExternalId()));
127 updateCoordAction(action);
128 LOG.debug("Killed coord action = [{0}], new status = [{1}], pending = [{2}] and queue KillXCommand for [{3}]",
129 action.getId(), action.getStatus(), action.getPending(), action.getExternalId());
130 }
131 else {
132 updateCoordAction(action);
133 LOG.debug("Killed coord action = [{0}], current status = [{1}], pending = [{2}]", action.getId(), action
134 .getStatus(), action.getPending());
135 }
136 }
137 }
138 }
139 jpaService.execute(new CoordJobUpdateJPAExecutor(coordJob));
140
141 LOG.debug("Killed coord actions for the coordinator=[{0}]", jobId);
142 }
143 catch (JPAExecutorException ex) {
144 throw new CommandException(ex);
145 }
146 }
147
148 @Override
149 public void notifyParent() throws CommandException {
150 // update bundle action
151 if (coordJob.getBundleId() != null) {
152 BundleStatusUpdateXCommand bundleStatusUpdate = new BundleStatusUpdateXCommand(coordJob, prevStatus);
153 bundleStatusUpdate.call();
154 }
155 }
156
157 @Override
158 public void updateJob() throws CommandException {
159 try {
160 jpaService.execute(new CoordJobUpdateJPAExecutor(coordJob));
161 }
162 catch (JPAExecutorException ex) {
163 throw new CommandException(ex);
164 }
165 }
166
167 /* (non-Javadoc)
168 * @see org.apache.oozie.command.TransitionXCommand#getJob()
169 */
170 @Override
171 public Job getJob() {
172 return coordJob;
173 }
174
175 /* (non-Javadoc)
176 * @see org.apache.oozie.command.XCommand#getKey()
177 */
178 @Override
179 public String getKey(){
180 return getName() + "_" + jobId;
181 }
182
183 }