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 java.util.ArrayList;
021    import java.util.Date;
022    import java.util.List;
023    
024    import org.apache.oozie.CoordinatorActionBean;
025    import org.apache.oozie.ErrorCode;
026    import org.apache.oozie.SLAEventBean;
027    import org.apache.oozie.WorkflowJobBean;
028    import org.apache.oozie.XException;
029    import org.apache.oozie.service.JPAService;
030    import org.apache.oozie.service.Services;
031    import org.apache.oozie.util.LogUtils;
032    import org.apache.oozie.util.db.SLADbOperations;
033    import org.apache.oozie.client.CoordinatorAction;
034    import org.apache.oozie.client.WorkflowJob;
035    import org.apache.oozie.client.SLAEvent.SlaAppType;
036    import org.apache.oozie.client.SLAEvent.Status;
037    import org.apache.oozie.client.rest.JsonBean;
038    import org.apache.oozie.command.CommandException;
039    import org.apache.oozie.command.PreconditionException;
040    import org.apache.oozie.executor.jpa.BulkUpdateInsertForCoordActionStatusJPAExecutor;
041    import org.apache.oozie.executor.jpa.CoordActionGetForExternalIdJPAExecutor;
042    import org.apache.oozie.executor.jpa.JPAExecutorException;
043    
044    public class CoordActionUpdateXCommand extends CoordinatorXCommand<Void> {
045        private WorkflowJobBean workflow;
046        private CoordinatorActionBean coordAction = null;
047        private JPAService jpaService = null;
048        private int maxRetries = 1;
049        private List<JsonBean> updateList = new ArrayList<JsonBean>();
050        private List<JsonBean> insertList = new ArrayList<JsonBean>();
051    
052        public CoordActionUpdateXCommand(WorkflowJobBean workflow) {
053            super("coord-action-update", "coord-action-update", 1);
054            this.workflow = workflow;
055        }
056    
057        public CoordActionUpdateXCommand(WorkflowJobBean workflow, int maxRetries) {
058            super("coord-action-update", "coord-action-update", 1);
059            this.workflow = workflow;
060            this.maxRetries = maxRetries;
061        }
062    
063        @Override
064        protected Void execute() throws CommandException {
065            try {
066                LOG.debug("STARTED CoordActionUpdateXCommand for wfId=" + workflow.getId());
067    
068                Status slaStatus = null;
069                CoordinatorAction.Status preCoordStatus = coordAction.getStatus();
070                if (workflow.getStatus() == WorkflowJob.Status.SUCCEEDED) {
071                    coordAction.setStatus(CoordinatorAction.Status.SUCCEEDED);
072                    coordAction.setPending(0);
073                    slaStatus = Status.SUCCEEDED;
074                }
075                else if (workflow.getStatus() == WorkflowJob.Status.FAILED) {
076                    coordAction.setStatus(CoordinatorAction.Status.FAILED);
077                    coordAction.setPending(0);
078                    slaStatus = Status.FAILED;
079                }
080                else if (workflow.getStatus() == WorkflowJob.Status.KILLED) {
081                    coordAction.setStatus(CoordinatorAction.Status.KILLED);
082                    coordAction.setPending(0);
083                    slaStatus = Status.KILLED;
084                }
085                else if (workflow.getStatus() == WorkflowJob.Status.SUSPENDED) {
086                    coordAction.setStatus(CoordinatorAction.Status.SUSPENDED);
087                    coordAction.decrementAndGetPending();
088                }
089                else if (workflow.getStatus() == WorkflowJob.Status.RUNNING) {
090                    // resume workflow job and update coord action accordingly
091                    coordAction.setStatus(CoordinatorAction.Status.RUNNING);
092                    coordAction.decrementAndGetPending();
093                }
094                else {
095                    LOG.warn("Unexpected workflow " + workflow.getId() + " STATUS " + workflow.getStatus());
096                    // update lastModifiedTime
097                    coordAction.setLastModifiedTime(new Date());
098                    updateList.add(coordAction);
099                    jpaService.execute(new BulkUpdateInsertForCoordActionStatusJPAExecutor(updateList, null));
100                    // TODO - Uncomment this when bottom up rerun can change terminal state
101                    /* CoordinatorJobBean coordJob = jpaService.execute(new CoordJobGetJPAExecutor(coordAction.getJobId()));
102                    if (!coordJob.isPending()) {
103                        coordJob.setPending();
104                        jpaService.execute(new CoordJobUpdateJPAExecutor(coordJob));
105                    }*/
106                    return null;
107                }
108    
109                LOG.info("Updating Coordintaor action id :" + coordAction.getId() + " status from " + preCoordStatus
110                        + " to " + coordAction.getStatus() + ", pending = " + coordAction.getPending());
111    
112                coordAction.setLastModifiedTime(new Date());
113                updateList.add(coordAction);
114                // TODO - Uncomment this when bottom up rerun can change terminal state
115                /*CoordinatorJobBean coordJob = jpaService.execute(new CoordJobGetJPAExecutor(coordAction.getJobId()));
116                if (!coordJob.isPending()) {
117                    coordJob.setPending();
118                    jpaService.execute(new CoordJobUpdateJPAExecutor(coordJob));
119                    LOG.info("Updating Coordinator job "+ coordJob.getId() + "pending to true");
120                }*/
121                if (slaStatus != null) {
122                    SLAEventBean slaEvent = SLADbOperations.createStatusEvent(coordAction.getSlaXml(), coordAction.getId(), slaStatus,
123                            SlaAppType.COORDINATOR_ACTION, LOG);
124                    if(slaEvent != null) {
125                        insertList.add(slaEvent);
126                    }
127                }
128                if (workflow.getStatus() != WorkflowJob.Status.SUSPENDED
129                        && workflow.getStatus() != WorkflowJob.Status.RUNNING) {
130                    queue(new CoordActionReadyXCommand(coordAction.getJobId()));
131                }
132    
133                jpaService.execute(new BulkUpdateInsertForCoordActionStatusJPAExecutor(updateList, insertList));
134    
135                LOG.debug("ENDED CoordActionUpdateXCommand for wfId=" + workflow.getId());
136            }
137            catch (XException ex) {
138                LOG.warn("CoordActionUpdate Failed ", ex.getMessage());
139                throw new CommandException(ex);
140            }
141            return null;
142        }
143    
144        /* (non-Javadoc)
145         * @see org.apache.oozie.command.XCommand#getEntityKey()
146         */
147        @Override
148        public String getEntityKey() {
149            return coordAction.getJobId();
150        }
151    
152        /* (non-Javadoc)
153         * @see org.apache.oozie.command.XCommand#isLockRequired()
154         */
155        @Override
156        protected boolean isLockRequired() {
157            return true;
158        }
159    
160        /* (non-Javadoc)
161         * @see org.apache.oozie.command.XCommand#eagerLoadState()
162         */
163        @Override
164        protected void eagerLoadState() throws CommandException {
165            jpaService = Services.get().get(JPAService.class);
166            if (jpaService == null) {
167                throw new CommandException(ErrorCode.E0610);
168            }
169    
170            int retries = 0;
171            while (retries++ < maxRetries) {
172                try {
173                    coordAction = jpaService.execute(new CoordActionGetForExternalIdJPAExecutor(workflow.getId()));
174                    if (coordAction != null) {
175                        break;
176                    }
177    
178                    if (retries < maxRetries) {
179                        Thread.sleep(500);
180                    }
181                }
182                catch (JPAExecutorException je) {
183                    LOG.warn("Could not load coord action {0}", je.getMessage(), je);
184                }
185                catch (InterruptedException ex) {
186                    LOG.warn("Retry to load coord action is interrupted {0}", ex.getMessage(), ex);
187                }
188            }
189    
190            if (coordAction != null) {
191                LogUtils.setLogInfo(coordAction, logInfo);
192            }
193        }
194    
195        /* (non-Javadoc)
196         * @see org.apache.oozie.command.XCommand#eagerVerifyPrecondition()
197         */
198        @Override
199        protected void eagerVerifyPrecondition() throws CommandException, PreconditionException {
200            if (coordAction == null) {
201                throw new PreconditionException(ErrorCode.E1100, ", coord action is null");
202            }
203        }
204    
205        /* (non-Javadoc)
206         * @see org.apache.oozie.command.XCommand#loadState()
207         */
208        @Override
209        protected void loadState() throws CommandException {
210        }
211    
212        /* (non-Javadoc)
213         * @see org.apache.oozie.command.XCommand#verifyPrecondition()
214         */
215        @Override
216        protected void verifyPrecondition() throws CommandException, PreconditionException {
217    
218            // if coord action is RUNNING and pending false and workflow is RUNNING, this doesn't need to be updated.
219            if (workflow.getStatus() == WorkflowJob.Status.RUNNING
220                    && coordAction.getStatus() == CoordinatorAction.Status.RUNNING && !coordAction.isPending()) {
221                // update lastModifiedTime
222                coordAction.setLastModifiedTime(new Date());
223                try {
224                    jpaService.execute(new org.apache.oozie.executor.jpa.CoordActionUpdateStatusJPAExecutor(coordAction));
225                }
226                catch (JPAExecutorException je) {
227                    throw new CommandException(je);
228                }
229                throw new PreconditionException(ErrorCode.E1100, ", workflow is RUNNING and coordinator action is RUNNING and pending false");
230            }
231        }
232    
233    }