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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.coord;
019
020 import java.sql.Timestamp;
021 import java.util.Date;
022
023 import org.apache.oozie.CoordinatorActionBean;
024 import org.apache.oozie.ErrorCode;
025 import org.apache.oozie.WorkflowJobBean;
026 import org.apache.oozie.XException;
027 import org.apache.oozie.service.JPAService;
028 import org.apache.oozie.service.Services;
029 import org.apache.oozie.util.InstrumentUtils;
030 import org.apache.oozie.util.LogUtils;
031 import org.apache.oozie.util.ParamChecker;
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.command.CommandException;
038 import org.apache.oozie.command.PreconditionException;
039 import org.apache.oozie.executor.jpa.CoordActionGetForCheckJPAExecutor;
040 import org.apache.oozie.executor.jpa.WorkflowJobGetJPAExecutor;
041
042 /**
043 * The command checks workflow status for coordinator action.
044 */
045 public class CoordActionCheckXCommand extends CoordinatorXCommand<Void> {
046 private String actionId;
047 private int actionCheckDelay;
048 private CoordinatorActionBean coordAction = null;
049 private JPAService jpaService = null;
050
051 public CoordActionCheckXCommand(String actionId, int actionCheckDelay) {
052 super("coord_action_check", "coord_action_check", 0);
053 this.actionId = ParamChecker.notEmpty(actionId, "actionId");
054 this.actionCheckDelay = actionCheckDelay;
055 }
056
057 /* (non-Javadoc)
058 * @see org.apache.oozie.command.XCommand#execute()
059 */
060 @Override
061 protected Void execute() throws CommandException {
062 try {
063 InstrumentUtils.incrJobCounter(getName(), 1, getInstrumentation());
064 WorkflowJobBean wf = jpaService.execute(new WorkflowJobGetJPAExecutor(coordAction.getExternalId()));
065
066 Status slaStatus = null;
067
068 if (wf.getStatus() == WorkflowJob.Status.SUCCEEDED) {
069 coordAction.setStatus(CoordinatorAction.Status.SUCCEEDED);
070 // set pending to false as the status is SUCCEEDED
071 coordAction.setPending(0);
072 slaStatus = Status.SUCCEEDED;
073 }
074 else {
075 if (wf.getStatus() == WorkflowJob.Status.FAILED) {
076 coordAction.setStatus(CoordinatorAction.Status.FAILED);
077 slaStatus = Status.FAILED;
078 // set pending to false as the status is FAILED
079 coordAction.setPending(0);
080 }
081 else {
082 if (wf.getStatus() == WorkflowJob.Status.KILLED) {
083 coordAction.setStatus(CoordinatorAction.Status.KILLED);
084 slaStatus = Status.KILLED;
085 // set pending to false as the status is KILLED
086 coordAction.setPending(0);
087 }
088 else {
089 LOG.warn("Unexpected workflow " + wf.getId() + " STATUS " + wf.getStatus());
090 coordAction.setLastModifiedTime(new Date());
091 jpaService.execute(new org.apache.oozie.executor.jpa.CoordActionUpdateStatusJPAExecutor(coordAction));
092 return null;
093 }
094 }
095 }
096
097 LOG.debug("Updating Coordintaor actionId :" + coordAction.getId() + "status to ="
098 + coordAction.getStatus());
099 coordAction.setLastModifiedTime(new Date());
100 jpaService.execute(new org.apache.oozie.executor.jpa.CoordActionUpdateStatusJPAExecutor(coordAction));
101
102 if (slaStatus != null) {
103 SLADbOperations.writeStausEvent(coordAction.getSlaXml(), coordAction.getId(), slaStatus,
104 SlaAppType.COORDINATOR_ACTION, LOG);
105 }
106 }
107 catch (XException ex) {
108 LOG.warn("CoordActionCheckCommand Failed ", ex);
109 throw new CommandException(ex);
110 }
111 return null;
112 }
113
114 /* (non-Javadoc)
115 * @see org.apache.oozie.command.XCommand#getEntityKey()
116 */
117 @Override
118 public String getEntityKey() {
119 return actionId;
120 }
121
122 /* (non-Javadoc)
123 * @see org.apache.oozie.command.XCommand#isLockRequired()
124 */
125 @Override
126 protected boolean isLockRequired() {
127 return true;
128 }
129
130 /* (non-Javadoc)
131 * @see org.apache.oozie.command.XCommand#loadState()
132 */
133 @Override
134 protected void loadState() throws CommandException {
135 try {
136 jpaService = Services.get().get(JPAService.class);
137
138 if (jpaService != null) {
139 coordAction = jpaService.execute(new CoordActionGetForCheckJPAExecutor(actionId));
140 LogUtils.setLogInfo(coordAction, logInfo);
141 }
142 else {
143 throw new CommandException(ErrorCode.E0610);
144 }
145 }
146 catch (XException ex) {
147 throw new CommandException(ex);
148 }
149 }
150
151 /* (non-Javadoc)
152 * @see org.apache.oozie.command.XCommand#verifyPrecondition()
153 */
154 @Override
155 protected void verifyPrecondition() throws CommandException, PreconditionException {
156 // if the action has been updated, quit this command
157 Timestamp actionCheckTs = new Timestamp(System.currentTimeMillis() - actionCheckDelay * 1000);
158 Timestamp cactionLmt = coordAction.getLastModifiedTimestamp();
159 if (cactionLmt.after(actionCheckTs)) {
160 throw new PreconditionException(ErrorCode.E1100, "The coord action :" + actionId
161 + " has been udated. Ignore CoordActionCheckCommand!");
162 }
163 if (coordAction.getStatus().equals(CoordinatorAction.Status.SUCCEEDED)
164 || coordAction.getStatus().equals(CoordinatorAction.Status.FAILED)
165 || coordAction.getStatus().equals(CoordinatorAction.Status.KILLED)) {
166 throw new PreconditionException(ErrorCode.E1100);
167 }
168 }
169 }