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    }