| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.mapred; |
| |
| import java.io.IOException; |
| |
| import junit.framework.Assert; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.mapred.MockSimulatorEngine; |
| import org.apache.hadoop.mapreduce.server.jobtracker.JTConfig; |
| import org.apache.hadoop.tools.rumen.ZombieCluster; |
| import org.apache.hadoop.tools.rumen.ZombieJobProducer; |
| import org.apache.hadoop.util.ToolRunner; |
| |
| import org.junit.Test; |
| |
| public class TestSimulatorEndToEnd { |
| |
| public static final Log LOG = LogFactory.getLog(MockSimulatorEngine.class); |
| protected SimulatorJobSubmissionPolicy policy = SimulatorJobSubmissionPolicy.REPLAY; |
| |
| @Test |
| public void testMain() throws Exception { |
| final Configuration conf = new Configuration(); |
| conf.set(SimulatorJobSubmissionPolicy.JOB_SUBMISSION_POLICY, policy.name()); |
| final FileSystem lfs = FileSystem.getLocal(conf); |
| final Path rootInputDir = new Path( |
| System.getProperty("src.test.data", "data")).makeQualified(lfs); |
| final Path traceFile = new Path(rootInputDir, "19-jobs.trace.json.gz"); |
| final Path topologyFile = new Path(rootInputDir, "19-jobs.topology.json.gz"); |
| |
| LOG.info("traceFile = " + traceFile.toString() + " topology = " |
| + topologyFile.toString()); |
| |
| int numJobs = getNumberJobs(traceFile, conf); |
| int nTrackers = getNumberTaskTrackers(topologyFile, conf); |
| |
| MockSimulatorEngine mockMumak = new MockSimulatorEngine(numJobs, nTrackers); |
| |
| Configuration mumakConf = new Configuration(); |
| mumakConf.set("mapred.jobtracker.taskScheduler", JobQueueTaskScheduler.class.getName()); |
| mumakConf.setBoolean(JTConfig.JT_PERSIST_JOBSTATUS, false); |
| String[] args = { traceFile.toString(), topologyFile.toString() }; |
| int res = ToolRunner.run(mumakConf, mockMumak, args); |
| Assert.assertEquals(res, 0); |
| } |
| |
| private int getNumberJobs(Path inputFile, Configuration conf) |
| throws IOException { |
| ZombieJobProducer jobProducer = new ZombieJobProducer(inputFile, null, conf); |
| try { |
| int numJobs = 0; |
| while (jobProducer.getNextJob() != null) { |
| ++numJobs; |
| } |
| return numJobs; |
| } finally { |
| jobProducer.close(); |
| } |
| } |
| |
| private int getNumberTaskTrackers(Path inputFile, Configuration conf) |
| throws IOException { |
| return new ZombieCluster(inputFile, null, conf).getMachines().size(); |
| } |
| } |
| |