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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.wf;
019
020 import org.apache.oozie.client.WorkflowJob;
021 import org.apache.oozie.client.SLAEvent.SlaAppType;
022 import org.apache.oozie.client.SLAEvent.Status;
023 import org.apache.oozie.client.rest.JsonBean;
024 import org.apache.oozie.ErrorCode;
025 import org.apache.oozie.SLAEventBean;
026 import org.apache.oozie.WorkflowActionBean;
027 import org.apache.oozie.WorkflowJobBean;
028 import org.apache.oozie.XException;
029 import org.apache.oozie.command.CommandException;
030 import org.apache.oozie.command.PreconditionException;
031 import org.apache.oozie.command.coord.CoordActionUpdateXCommand;
032 import org.apache.oozie.executor.jpa.BulkUpdateInsertJPAExecutor;
033 import org.apache.oozie.executor.jpa.JPAExecutorException;
034 import org.apache.oozie.executor.jpa.WorkflowActionsGetForJobJPAExecutor;
035 import org.apache.oozie.executor.jpa.WorkflowJobGetJPAExecutor;
036 import org.apache.oozie.service.JPAService;
037 import org.apache.oozie.service.Services;
038 import org.apache.oozie.workflow.WorkflowException;
039 import org.apache.oozie.workflow.WorkflowInstance;
040 import org.apache.oozie.workflow.lite.LiteWorkflowInstance;
041 import org.apache.oozie.util.InstrumentUtils;
042 import org.apache.oozie.util.LogUtils;
043 import org.apache.oozie.util.ParamChecker;
044 import org.apache.oozie.util.db.SLADbXOperations;
045
046 import java.util.ArrayList;
047 import java.util.Date;
048 import java.util.List;
049
050 /**
051 * Kill workflow job and its workflow instance and queue a {@link WorkflowActionKillXCommand} to kill the workflow
052 * actions.
053 */
054 public class KillXCommand extends WorkflowXCommand<Void> {
055
056 private String wfId;
057 private WorkflowJobBean wfJob;
058 private List<WorkflowActionBean> actionList;
059 private JPAService jpaService = null;
060 private List<JsonBean> updateList = new ArrayList<JsonBean>();
061 private List<JsonBean> insertList = new ArrayList<JsonBean>();
062
063 public KillXCommand(String wfId) {
064 super("kill", "kill", 1);
065 this.wfId = ParamChecker.notEmpty(wfId, "wfId");
066 }
067
068 @Override
069 protected boolean isLockRequired() {
070 return true;
071 }
072
073 @Override
074 public String getEntityKey() {
075 return this.wfId;
076 }
077
078 @Override
079 protected void loadState() throws CommandException {
080 try {
081 jpaService = Services.get().get(JPAService.class);
082 if (jpaService != null) {
083 this.wfJob = jpaService.execute(new WorkflowJobGetJPAExecutor(wfId));
084 this.actionList = jpaService.execute(new WorkflowActionsGetForJobJPAExecutor(wfId));
085 LogUtils.setLogInfo(wfJob, logInfo);
086 }
087 else {
088 throw new CommandException(ErrorCode.E0610);
089 }
090 }
091 catch (XException ex) {
092 throw new CommandException(ex);
093 }
094 }
095
096 @Override
097 protected void verifyPrecondition() throws CommandException, PreconditionException {
098 if (wfJob.getStatus() != WorkflowJob.Status.PREP && wfJob.getStatus() != WorkflowJob.Status.RUNNING
099 && wfJob.getStatus() != WorkflowJob.Status.SUSPENDED && wfJob.getStatus() != WorkflowJob.Status.FAILED) {
100 throw new PreconditionException(ErrorCode.E0725, wfJob.getId());
101 }
102 }
103
104 @Override
105 protected Void execute() throws CommandException {
106 LOG.info("STARTED WorkflowKillXCommand for jobId=" + wfId);
107
108 wfJob.setEndTime(new Date());
109
110 if (wfJob.getStatus() != WorkflowJob.Status.FAILED) {
111 InstrumentUtils.incrJobCounter(getName(), 1, getInstrumentation());
112 wfJob.setStatus(WorkflowJob.Status.KILLED);
113 SLAEventBean slaEvent = SLADbXOperations.createStatusEvent(wfJob.getSlaXml(), wfJob.getId(),
114 Status.KILLED, SlaAppType.WORKFLOW_JOB);
115 if(slaEvent != null) {
116 insertList.add(slaEvent);
117 }
118 try {
119 wfJob.getWorkflowInstance().kill();
120 }
121 catch (WorkflowException e) {
122 throw new CommandException(ErrorCode.E0725, e.getMessage(), e);
123 }
124 WorkflowInstance wfInstance = wfJob.getWorkflowInstance();
125 ((LiteWorkflowInstance) wfInstance).setStatus(WorkflowInstance.Status.KILLED);
126 wfJob.setWorkflowInstance(wfInstance);
127 }
128 try {
129 for (WorkflowActionBean action : actionList) {
130 if (action.getStatus() == WorkflowActionBean.Status.RUNNING
131 || action.getStatus() == WorkflowActionBean.Status.DONE) {
132 action.setPending();
133 action.setStatus(WorkflowActionBean.Status.KILLED);
134
135 updateList.add(action);
136
137 queue(new ActionKillXCommand(action.getId(), action.getType()));
138 }
139 if (action.getStatus() == WorkflowActionBean.Status.PREP
140 || action.getStatus() == WorkflowActionBean.Status.START_RETRY
141 || action.getStatus() == WorkflowActionBean.Status.START_MANUAL
142 || action.getStatus() == WorkflowActionBean.Status.END_RETRY
143 || action.getStatus() == WorkflowActionBean.Status.END_MANUAL) {
144
145 action.setStatus(WorkflowActionBean.Status.KILLED);
146 action.resetPending();
147 SLAEventBean slaEvent = SLADbXOperations.createStatusEvent(action.getSlaXml(), action.getId(),
148 Status.KILLED, SlaAppType.WORKFLOW_ACTION);
149 if(slaEvent != null) {
150 insertList.add(slaEvent);
151 }
152 updateList.add(action);
153 }
154 }
155 wfJob.setLastModifiedTime(new Date());
156 updateList.add(wfJob);
157 jpaService.execute(new BulkUpdateInsertJPAExecutor(updateList, insertList));
158 queue(new NotificationXCommand(wfJob));
159 }
160 catch (JPAExecutorException e) {
161 throw new CommandException(e);
162 }
163 finally {
164 if(wfJob.getStatus() == WorkflowJob.Status.KILLED) {
165 new WfEndXCommand(wfJob).call(); //To delete the WF temp dir
166 }
167 // update coordinator action
168 new CoordActionUpdateXCommand(wfJob).call();
169 }
170
171 LOG.info("ENDED WorkflowKillXCommand for jobId=" + wfId);
172 return null;
173 }
174
175 }