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.hadoop.conf.Configuration;
021    import org.apache.hadoop.fs.Path;
022    import org.apache.hadoop.fs.FileSystem;
023    import org.apache.oozie.SLAEventBean;
024    import org.apache.oozie.WorkflowJobBean;
025    import org.apache.oozie.ErrorCode;
026    import org.apache.oozie.service.HadoopAccessorException;
027    import org.apache.oozie.service.JPAService;
028    import org.apache.oozie.service.WorkflowStoreService;
029    import org.apache.oozie.service.WorkflowAppService;
030    import org.apache.oozie.service.HadoopAccessorService;
031    import org.apache.oozie.service.Services;
032    import org.apache.oozie.service.DagXLogInfoService;
033    import org.apache.oozie.util.ConfigUtils;
034    import org.apache.oozie.util.ELUtils;
035    import org.apache.oozie.util.LogUtils;
036    import org.apache.oozie.util.XLog;
037    import org.apache.oozie.util.ParamChecker;
038    import org.apache.oozie.util.XConfiguration;
039    import org.apache.oozie.util.XmlUtils;
040    import org.apache.oozie.command.CommandException;
041    import org.apache.oozie.executor.jpa.BulkUpdateInsertJPAExecutor;
042    import org.apache.oozie.executor.jpa.JPAExecutorException;
043    import org.apache.oozie.service.ELService;
044    import org.apache.oozie.service.SchemaService;
045    import org.apache.oozie.store.StoreException;
046    import org.apache.oozie.workflow.WorkflowApp;
047    import org.apache.oozie.workflow.WorkflowException;
048    import org.apache.oozie.workflow.WorkflowInstance;
049    import org.apache.oozie.workflow.WorkflowLib;
050    import org.apache.oozie.util.ELEvaluator;
051    import org.apache.oozie.util.InstrumentUtils;
052    import org.apache.oozie.util.PropertiesUtils;
053    import org.apache.oozie.util.db.SLADbOperations;
054    import org.apache.oozie.service.SchemaService.SchemaName;
055    import org.apache.oozie.client.OozieClient;
056    import org.apache.oozie.client.WorkflowJob;
057    import org.apache.oozie.client.SLAEvent.SlaAppType;
058    import org.apache.oozie.client.rest.JsonBean;
059    import org.jdom.Element;
060    import org.jdom.Namespace;
061    
062    import java.util.ArrayList;
063    import java.util.Date;
064    import java.util.List;
065    import java.util.Map;
066    import java.util.Set;
067    import java.util.HashSet;
068    import java.io.IOException;
069    import java.net.URI;
070    
071    public class SubmitXCommand extends WorkflowXCommand<String> {
072        public static final String CONFIG_DEFAULT = "config-default.xml";
073    
074        private Configuration conf;
075        private String authToken;
076        private List<JsonBean> insertList = new ArrayList<JsonBean>();
077    
078        public SubmitXCommand(Configuration conf, String authToken) {
079            super("submit", "submit", 1);
080            this.conf = ParamChecker.notNull(conf, "conf");
081            this.authToken = ParamChecker.notEmpty(authToken, "authToken");
082        }
083    
084        private static final Set<String> DISALLOWED_DEFAULT_PROPERTIES = new HashSet<String>();
085        private static final Set<String> DISALLOWED_USER_PROPERTIES = new HashSet<String>();
086    
087        static {
088            String[] badUserProps = {PropertiesUtils.DAYS, PropertiesUtils.HOURS, PropertiesUtils.MINUTES,
089                    PropertiesUtils.KB, PropertiesUtils.MB, PropertiesUtils.GB, PropertiesUtils.TB, PropertiesUtils.PB,
090                    PropertiesUtils.RECORDS, PropertiesUtils.MAP_IN, PropertiesUtils.MAP_OUT, PropertiesUtils.REDUCE_IN,
091                    PropertiesUtils.REDUCE_OUT, PropertiesUtils.GROUPS};
092            PropertiesUtils.createPropertySet(badUserProps, DISALLOWED_USER_PROPERTIES);
093    
094            String[] badDefaultProps = {PropertiesUtils.HADOOP_USER};
095            PropertiesUtils.createPropertySet(badUserProps, DISALLOWED_DEFAULT_PROPERTIES);
096            PropertiesUtils.createPropertySet(badDefaultProps, DISALLOWED_DEFAULT_PROPERTIES);
097        }
098    
099        @Override
100        protected String execute() throws CommandException {
101            InstrumentUtils.incrJobCounter(getName(), 1, getInstrumentation());
102            WorkflowAppService wps = Services.get().get(WorkflowAppService.class);
103            try {
104                XLog.Info.get().setParameter(DagXLogInfoService.TOKEN, conf.get(OozieClient.LOG_TOKEN));
105                WorkflowApp app = wps.parseDef(conf, authToken);
106                XConfiguration protoActionConf = wps.createProtoActionConf(conf, authToken, true);
107                WorkflowLib workflowLib = Services.get().get(WorkflowStoreService.class).getWorkflowLibWithNoDB();
108    
109                String user = conf.get(OozieClient.USER_NAME);
110                String group = ConfigUtils.getWithDeprecatedCheck(conf, OozieClient.JOB_ACL, OozieClient.GROUP_NAME, null);
111                URI uri = new URI(conf.get(OozieClient.APP_PATH));
112                HadoopAccessorService has = Services.get().get(HadoopAccessorService.class);
113                Configuration fsConf = has.createJobConf(uri.getAuthority());
114                FileSystem fs = has.createFileSystem(user, uri, fsConf);
115    
116                Path configDefault = null;
117                // app path could be a directory
118                Path path = new Path(uri.getPath());
119                if (!fs.isFile(path)) {
120                    configDefault = new Path(path, CONFIG_DEFAULT);
121                } else {
122                    configDefault = new Path(path.getParent(), CONFIG_DEFAULT);
123                }
124    
125                if (fs.exists(configDefault)) {
126                    try {
127                        Configuration defaultConf = new XConfiguration(fs.open(configDefault));
128                        PropertiesUtils.checkDisallowedProperties(defaultConf, DISALLOWED_DEFAULT_PROPERTIES);
129                        XConfiguration.injectDefaults(defaultConf, conf);
130                    }
131                    catch (IOException ex) {
132                        throw new IOException("default configuration file, " + ex.getMessage(), ex);
133                    }
134                }
135    
136                PropertiesUtils.checkDisallowedProperties(conf, DISALLOWED_USER_PROPERTIES);
137    
138                // Resolving all variables in the job properties.
139                // This ensures the Hadoop Configuration semantics is preserved.
140                XConfiguration resolvedVarsConf = new XConfiguration();
141                for (Map.Entry<String, String> entry : conf) {
142                    resolvedVarsConf.set(entry.getKey(), conf.get(entry.getKey()));
143                }
144                conf = resolvedVarsConf;
145    
146                WorkflowInstance wfInstance;
147                try {
148                    wfInstance = workflowLib.createInstance(app, conf);
149                }
150                catch (WorkflowException e) {
151                    throw new StoreException(e);
152                }
153    
154                Configuration conf = wfInstance.getConf();
155                // System.out.println("WF INSTANCE CONF:");
156                // System.out.println(XmlUtils.prettyPrint(conf).toString());
157    
158                WorkflowJobBean workflow = new WorkflowJobBean();
159                workflow.setId(wfInstance.getId());
160                workflow.setAppName(ELUtils.resolveAppName(app.getName(), conf));
161                workflow.setAppPath(conf.get(OozieClient.APP_PATH));
162                workflow.setConf(XmlUtils.prettyPrint(conf).toString());
163                workflow.setProtoActionConf(protoActionConf.toXmlString());
164                workflow.setCreatedTime(new Date());
165                workflow.setLastModifiedTime(new Date());
166                workflow.setLogToken(conf.get(OozieClient.LOG_TOKEN, ""));
167                workflow.setStatus(WorkflowJob.Status.PREP);
168                workflow.setRun(0);
169                workflow.setUser(conf.get(OozieClient.USER_NAME));
170                workflow.setGroup(conf.get(OozieClient.GROUP_NAME));
171                workflow.setAuthToken(authToken);
172                workflow.setWorkflowInstance(wfInstance);
173                workflow.setExternalId(conf.get(OozieClient.EXTERNAL_ID));
174    
175                LogUtils.setLogInfo(workflow, logInfo);
176                LOG = XLog.resetPrefix(LOG);
177                LOG.debug("Workflow record created, Status [{0}]", workflow.getStatus());
178                Element wfElem = XmlUtils.parseXml(app.getDefinition());
179                ELEvaluator evalSla = createELEvaluatorForGroup(conf, "wf-sla-submit");
180                String jobSlaXml = verifySlaElements(wfElem, evalSla);
181                writeSLARegistration(jobSlaXml, workflow.getId(), workflow.getUser(), workflow.getGroup(), LOG);
182                workflow.setSlaXml(jobSlaXml);
183                // System.out.println("SlaXml :"+ slaXml);
184    
185                //store.insertWorkflow(workflow);
186                insertList.add(workflow);
187                JPAService jpaService = Services.get().get(JPAService.class);
188                if (jpaService != null) {
189                    try {
190                        jpaService.execute(new BulkUpdateInsertJPAExecutor(null, insertList));
191                    }
192                    catch (JPAExecutorException je) {
193                        throw new CommandException(je);
194                    }
195                }
196                else {
197                    LOG.error(ErrorCode.E0610);
198                    return null;
199                }
200    
201                return workflow.getId();
202            }
203            catch (WorkflowException ex) {
204                throw new CommandException(ex);
205            }
206            catch (HadoopAccessorException ex) {
207                throw new CommandException(ex);
208            }
209            catch (Exception ex) {
210                throw new CommandException(ErrorCode.E0803, ex);
211            }
212        }
213    
214        private String verifySlaElements(Element eWfJob, ELEvaluator evalSla) throws CommandException {
215            String jobSlaXml = "";
216            // Validate WF job
217            Element eSla = eWfJob.getChild("info", Namespace.getNamespace(SchemaService.SLA_NAME_SPACE_URI));
218            if (eSla != null) {
219                jobSlaXml = resolveSla(eSla, evalSla);
220            }
221    
222            // Validate all actions
223            for (Element action : (List<Element>) eWfJob.getChildren("action", eWfJob.getNamespace())) {
224                eSla = action.getChild("info", Namespace.getNamespace(SchemaService.SLA_NAME_SPACE_URI));
225                if (eSla != null) {
226                    resolveSla(eSla, evalSla);
227                }
228            }
229            return jobSlaXml;
230        }
231    
232        private void writeSLARegistration(String slaXml, String id, String user, String group, XLog log)
233                throws CommandException {
234            try {
235                if (slaXml != null && slaXml.length() > 0) {
236                    Element eSla = XmlUtils.parseXml(slaXml);
237                    SLAEventBean slaEvent = SLADbOperations.createSlaRegistrationEvent(eSla, id,
238                            SlaAppType.WORKFLOW_JOB, user, group, log);
239                    if(slaEvent != null) {
240                        insertList.add(slaEvent);
241                    }
242                }
243            }
244            catch (Exception e) {
245                e.printStackTrace();
246                throw new CommandException(ErrorCode.E1007, "workflow " + id, e);
247            }
248        }
249    
250        /**
251         * Resolve variables in sla xml element.
252         *
253         * @param eSla sla xml element
254         * @param evalSla sla evaluator
255         * @return sla xml string after evaluation
256         * @throws CommandException
257         */
258        public static String resolveSla(Element eSla, ELEvaluator evalSla) throws CommandException {
259            // EL evaluation
260            String slaXml = XmlUtils.prettyPrint(eSla).toString();
261            try {
262                slaXml = XmlUtils.removeComments(slaXml);
263                slaXml = evalSla.evaluate(slaXml, String.class);
264                XmlUtils.validateData(slaXml, SchemaName.SLA_ORIGINAL);
265                return slaXml;
266            }
267            catch (Exception e) {
268                throw new CommandException(ErrorCode.E1004, "Validation erro :" + e.getMessage(), e);
269            }
270        }
271    
272        /**
273         * Create an EL evaluator for a given group.
274         *
275         * @param conf configuration variable
276         * @param group group variable
277         * @return the evaluator created for the group
278         */
279        public static ELEvaluator createELEvaluatorForGroup(Configuration conf, String group) {
280            ELEvaluator eval = Services.get().get(ELService.class).createEvaluator(group);
281            for (Map.Entry<String, String> entry : conf) {
282                eval.setVariable(entry.getKey(), entry.getValue());
283            }
284            return eval;
285        }
286    
287        @Override
288        public String getEntityKey() {
289            return null;
290        }
291    
292        @Override
293        protected boolean isLockRequired() {
294            return false;
295        }
296    
297        @Override
298        protected void loadState() {
299    
300        }
301    
302        @Override
303        protected void verifyPrecondition() throws CommandException {
304    
305        }
306    
307    }