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.action.control.ControlNodeActionExecutor;
021    import org.apache.oozie.client.WorkflowJob;
022    import org.apache.oozie.client.SLAEvent.SlaAppType;
023    import org.apache.oozie.client.SLAEvent.Status;
024    import org.apache.oozie.client.rest.JsonBean;
025    import org.apache.oozie.ErrorCode;
026    import org.apache.oozie.SLAEventBean;
027    import org.apache.oozie.WorkflowActionBean;
028    import org.apache.oozie.WorkflowJobBean;
029    import org.apache.oozie.XException;
030    import org.apache.oozie.command.CommandException;
031    import org.apache.oozie.command.PreconditionException;
032    import org.apache.oozie.command.coord.CoordActionUpdateXCommand;
033    import org.apache.oozie.executor.jpa.BulkUpdateInsertJPAExecutor;
034    import org.apache.oozie.executor.jpa.JPAExecutorException;
035    import org.apache.oozie.executor.jpa.WorkflowActionsGetForJobJPAExecutor;
036    import org.apache.oozie.executor.jpa.WorkflowJobGetJPAExecutor;
037    import org.apache.oozie.service.ActionService;
038    import org.apache.oozie.service.EventHandlerService;
039    import org.apache.oozie.service.JPAService;
040    import org.apache.oozie.service.Services;
041    import org.apache.oozie.workflow.WorkflowException;
042    import org.apache.oozie.workflow.WorkflowInstance;
043    import org.apache.oozie.workflow.lite.LiteWorkflowInstance;
044    import org.apache.oozie.util.InstrumentUtils;
045    import org.apache.oozie.util.LogUtils;
046    import org.apache.oozie.util.ParamChecker;
047    import org.apache.oozie.util.db.SLADbXOperations;
048    
049    import java.util.ArrayList;
050    import java.util.Date;
051    import java.util.List;
052    
053    /**
054     * Kill workflow job and its workflow instance and queue a {@link WorkflowActionKillXCommand} to kill the workflow
055     * actions.
056     */
057    @SuppressWarnings("deprecation")
058    public class KillXCommand extends WorkflowXCommand<Void> {
059    
060        private String wfId;
061        private WorkflowJobBean wfJob;
062        private List<WorkflowActionBean> actionList;
063        private ActionService actionService;
064        private JPAService jpaService = null;
065        private List<JsonBean> updateList = new ArrayList<JsonBean>();
066        private List<JsonBean> insertList = new ArrayList<JsonBean>();
067    
068        public KillXCommand(String wfId) {
069            super("kill", "kill", 1);
070            this.wfId = ParamChecker.notEmpty(wfId, "wfId");
071        }
072    
073        @Override
074        protected boolean isLockRequired() {
075            return true;
076        }
077    
078        @Override
079        public String getEntityKey() {
080            return this.wfId;
081        }
082    
083        @Override
084        public String getKey() {
085            return getName() + "_" + this.wfId;
086        }
087    
088        @Override
089        protected void loadState() throws CommandException {
090            try {
091                jpaService = Services.get().get(JPAService.class);
092                if (jpaService != null) {
093                    this.wfJob = jpaService.execute(new WorkflowJobGetJPAExecutor(wfId));
094                    this.actionList = jpaService.execute(new WorkflowActionsGetForJobJPAExecutor(wfId));
095                    LogUtils.setLogInfo(wfJob, logInfo);
096                }
097                else {
098                    throw new CommandException(ErrorCode.E0610);
099                }
100                actionService = Services.get().get(ActionService.class);
101            }
102            catch (XException ex) {
103                throw new CommandException(ex);
104            }
105        }
106    
107        @Override
108        protected void verifyPrecondition() throws CommandException, PreconditionException {
109            if (wfJob.getStatus() != WorkflowJob.Status.PREP && wfJob.getStatus() != WorkflowJob.Status.RUNNING
110                    && wfJob.getStatus() != WorkflowJob.Status.SUSPENDED && wfJob.getStatus() != WorkflowJob.Status.FAILED) {
111                throw new PreconditionException(ErrorCode.E0725, wfJob.getId());
112            }
113        }
114    
115        @Override
116        protected Void execute() throws CommandException {
117            LOG.info("STARTED WorkflowKillXCommand for jobId=" + wfId);
118    
119            wfJob.setEndTime(new Date());
120    
121            if (wfJob.getStatus() != WorkflowJob.Status.FAILED) {
122                InstrumentUtils.incrJobCounter(getName(), 1, getInstrumentation());
123                wfJob.setStatus(WorkflowJob.Status.KILLED);
124                SLAEventBean slaEvent = SLADbXOperations.createStatusEvent(wfJob.getSlaXml(), wfJob.getId(),
125                        Status.KILLED, SlaAppType.WORKFLOW_JOB);
126                if(slaEvent != null) {
127                    insertList.add(slaEvent);
128                }
129                try {
130                    wfJob.getWorkflowInstance().kill();
131                }
132                catch (WorkflowException e) {
133                    throw new CommandException(ErrorCode.E0725, e.getMessage(), e);
134                }
135                WorkflowInstance wfInstance = wfJob.getWorkflowInstance();
136                ((LiteWorkflowInstance) wfInstance).setStatus(WorkflowInstance.Status.KILLED);
137                wfJob.setWorkflowInstance(wfInstance);
138            }
139            try {
140                for (WorkflowActionBean action : actionList) {
141                    if (action.getStatus() == WorkflowActionBean.Status.RUNNING
142                            || action.getStatus() == WorkflowActionBean.Status.DONE) {
143                        action.setPending();
144                        action.setStatus(WorkflowActionBean.Status.KILLED);
145    
146                        updateList.add(action);
147    
148                        queue(new ActionKillXCommand(action.getId(), action.getType()));
149                    }
150                    else if (action.getStatus() == WorkflowActionBean.Status.PREP
151                            || action.getStatus() == WorkflowActionBean.Status.START_RETRY
152                            || action.getStatus() == WorkflowActionBean.Status.START_MANUAL
153                            || action.getStatus() == WorkflowActionBean.Status.END_RETRY
154                            || action.getStatus() == WorkflowActionBean.Status.END_MANUAL) {
155    
156                        action.setStatus(WorkflowActionBean.Status.KILLED);
157                        action.resetPending();
158                        SLAEventBean slaEvent = SLADbXOperations.createStatusEvent(action.getSlaXml(), action.getId(),
159                                Status.KILLED, SlaAppType.WORKFLOW_ACTION);
160                        if(slaEvent != null) {
161                            insertList.add(slaEvent);
162                        }
163                        updateList.add(action);
164                        if (EventHandlerService.isEnabled()
165                                && !(actionService.getExecutor(action.getType()) instanceof ControlNodeActionExecutor)) {
166                            generateEvent(action, wfJob.getUser());
167                        }
168                    }
169                }
170                wfJob.setLastModifiedTime(new Date());
171                updateList.add(wfJob);
172                jpaService.execute(new BulkUpdateInsertJPAExecutor(updateList, insertList));
173                if (EventHandlerService.isEnabled()) {
174                    generateEvent(wfJob);
175                }
176                queue(new NotificationXCommand(wfJob));
177            }
178            catch (JPAExecutorException e) {
179                throw new CommandException(e);
180            }
181            finally {
182                if(wfJob.getStatus() == WorkflowJob.Status.KILLED) {
183                     new WfEndXCommand(wfJob).call(); //To delete the WF temp dir
184                }
185                // update coordinator action
186                new CoordActionUpdateXCommand(wfJob).call();
187            }
188    
189            LOG.info("ENDED WorkflowKillXCommand for jobId=" + wfId);
190            return null;
191        }
192    
193    }