| /** |
| * 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.mapreduce.v2.app; |
| |
| import static org.mockito.Matchers.any; |
| import static org.mockito.Matchers.anyBoolean; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| import java.io.IOException; |
| |
| import junit.framework.Assert; |
| import junit.framework.TestCase; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.mapreduce.MRJobConfig; |
| import org.apache.hadoop.mapreduce.v2.api.records.JobId; |
| import org.apache.hadoop.mapreduce.v2.api.records.JobState; |
| import org.apache.hadoop.mapreduce.v2.app.client.ClientService; |
| import org.apache.hadoop.mapreduce.v2.app.job.Job; |
| import org.apache.hadoop.mapreduce.v2.app.job.JobStateInternal; |
| import org.apache.hadoop.mapreduce.v2.app.job.event.JobFinishEvent; |
| import org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl; |
| import org.apache.hadoop.mapreduce.v2.app.rm.ContainerAllocator; |
| import org.apache.hadoop.mapreduce.v2.app.rm.ContainerAllocatorEvent; |
| import org.apache.hadoop.mapreduce.v2.app.rm.RMHeartbeatHandler; |
| import org.apache.hadoop.mapreduce.v2.util.MRApps; |
| import org.apache.hadoop.security.UserGroupInformation; |
| import org.apache.hadoop.yarn.YarnException; |
| import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.apache.hadoop.yarn.factories.RecordFactory; |
| import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider; |
| import org.apache.hadoop.yarn.service.AbstractService; |
| import org.apache.hadoop.yarn.util.BuilderUtils; |
| import org.junit.Test; |
| |
| |
| /** |
| * Make sure that the job staging directory clean up happens. |
| */ |
| public class TestStagingCleanup extends TestCase { |
| |
| private Configuration conf = new Configuration(); |
| private FileSystem fs; |
| private String stagingJobDir = "tmpJobDir"; |
| private Path stagingJobPath = new Path(stagingJobDir); |
| private final static RecordFactory recordFactory = RecordFactoryProvider. |
| getRecordFactory(null); |
| |
| @Test |
| public void testDeletionofStaging() throws IOException { |
| conf.set(MRJobConfig.MAPREDUCE_JOB_DIR, stagingJobDir); |
| fs = mock(FileSystem.class); |
| when(fs.delete(any(Path.class), anyBoolean())).thenReturn(true); |
| //Staging Dir exists |
| String user = UserGroupInformation.getCurrentUser().getShortUserName(); |
| Path stagingDir = MRApps.getStagingAreaDir(conf, user); |
| when(fs.exists(stagingDir)).thenReturn(true); |
| ApplicationAttemptId attemptId = recordFactory.newRecordInstance( |
| ApplicationAttemptId.class); |
| attemptId.setAttemptId(0); |
| ApplicationId appId = recordFactory.newRecordInstance(ApplicationId.class); |
| appId.setClusterTimestamp(System.currentTimeMillis()); |
| appId.setId(0); |
| attemptId.setApplicationId(appId); |
| JobId jobid = recordFactory.newRecordInstance(JobId.class); |
| jobid.setAppId(appId); |
| MRAppMaster appMaster = new TestMRApp(attemptId); |
| appMaster.init(conf); |
| appMaster.shutDownJob(); |
| verify(fs).delete(stagingJobPath, true); |
| } |
| |
| @Test |
| public void testDeletionofStagingOnKill() throws IOException { |
| conf.set(MRJobConfig.MAPREDUCE_JOB_DIR, stagingJobDir); |
| conf.setInt(YarnConfiguration.RM_AM_MAX_RETRIES, 4); |
| fs = mock(FileSystem.class); |
| when(fs.delete(any(Path.class), anyBoolean())).thenReturn(true); |
| //Staging Dir exists |
| String user = UserGroupInformation.getCurrentUser().getShortUserName(); |
| Path stagingDir = MRApps.getStagingAreaDir(conf, user); |
| when(fs.exists(stagingDir)).thenReturn(true); |
| ApplicationAttemptId attemptId = recordFactory.newRecordInstance( |
| ApplicationAttemptId.class); |
| attemptId.setAttemptId(0); |
| ApplicationId appId = recordFactory.newRecordInstance(ApplicationId.class); |
| appId.setClusterTimestamp(System.currentTimeMillis()); |
| appId.setId(0); |
| attemptId.setApplicationId(appId); |
| JobId jobid = recordFactory.newRecordInstance(JobId.class); |
| jobid.setAppId(appId); |
| ContainerAllocator mockAlloc = mock(ContainerAllocator.class); |
| MRAppMaster appMaster = new TestMRApp(attemptId, mockAlloc); |
| appMaster.init(conf); |
| //simulate the process being killed |
| MRAppMaster.MRAppMasterShutdownHook hook = |
| new MRAppMaster.MRAppMasterShutdownHook(appMaster); |
| hook.run(); |
| verify(fs, times(0)).delete(stagingJobPath, true); |
| } |
| |
| @Test |
| public void testDeletionofStagingOnKillLastTry() throws IOException { |
| conf.set(MRJobConfig.MAPREDUCE_JOB_DIR, stagingJobDir); |
| conf.setInt(YarnConfiguration.RM_AM_MAX_RETRIES, 1); |
| fs = mock(FileSystem.class); |
| when(fs.delete(any(Path.class), anyBoolean())).thenReturn(true); |
| //Staging Dir exists |
| String user = UserGroupInformation.getCurrentUser().getShortUserName(); |
| Path stagingDir = MRApps.getStagingAreaDir(conf, user); |
| when(fs.exists(stagingDir)).thenReturn(true); |
| ApplicationAttemptId attemptId = recordFactory.newRecordInstance( |
| ApplicationAttemptId.class); |
| attemptId.setAttemptId(1); |
| ApplicationId appId = recordFactory.newRecordInstance(ApplicationId.class); |
| appId.setClusterTimestamp(System.currentTimeMillis()); |
| appId.setId(0); |
| attemptId.setApplicationId(appId); |
| JobId jobid = recordFactory.newRecordInstance(JobId.class); |
| jobid.setAppId(appId); |
| ContainerAllocator mockAlloc = mock(ContainerAllocator.class); |
| MRAppMaster appMaster = new TestMRApp(attemptId, mockAlloc); |
| appMaster.init(conf); |
| //simulate the process being killed |
| MRAppMaster.MRAppMasterShutdownHook hook = |
| new MRAppMaster.MRAppMasterShutdownHook(appMaster); |
| hook.run(); |
| verify(fs).delete(stagingJobPath, true); |
| } |
| |
| private class TestMRApp extends MRAppMaster { |
| ContainerAllocator allocator; |
| |
| public TestMRApp(ApplicationAttemptId applicationAttemptId, |
| ContainerAllocator allocator) { |
| super(applicationAttemptId, BuilderUtils.newContainerId( |
| applicationAttemptId, 1), "testhost", 2222, 3333, System |
| .currentTimeMillis()); |
| this.allocator = allocator; |
| } |
| |
| public TestMRApp(ApplicationAttemptId applicationAttemptId) { |
| this(applicationAttemptId, null); |
| } |
| |
| @Override |
| protected FileSystem getFileSystem(Configuration conf) { |
| return fs; |
| } |
| |
| @Override |
| protected ContainerAllocator createContainerAllocator( |
| final ClientService clientService, final AppContext context) { |
| if(allocator == null) { |
| return super.createContainerAllocator(clientService, context); |
| } |
| return allocator; |
| } |
| |
| @Override |
| public RMHeartbeatHandler getRMHeartbeatHandler() { |
| return getStubbedHeartbeatHandler(getContext()); |
| } |
| |
| @Override |
| protected void sysexit() { |
| } |
| |
| @Override |
| public Configuration getConfig() { |
| return conf; |
| } |
| |
| @Override |
| protected void downloadTokensAndSetupUGI(Configuration conf) { |
| } |
| |
| } |
| |
| private final class MRAppTestCleanup extends MRApp { |
| boolean stoppedContainerAllocator; |
| boolean cleanedBeforeContainerAllocatorStopped; |
| |
| public MRAppTestCleanup(int maps, int reduces, boolean autoComplete, |
| String testName, boolean cleanOnStart) { |
| super(maps, reduces, autoComplete, testName, cleanOnStart); |
| stoppedContainerAllocator = false; |
| cleanedBeforeContainerAllocatorStopped = false; |
| } |
| |
| @Override |
| protected Job createJob(Configuration conf, JobStateInternal forcedState, |
| String diagnostic) { |
| UserGroupInformation currentUser = null; |
| try { |
| currentUser = UserGroupInformation.getCurrentUser(); |
| } catch (IOException e) { |
| throw new YarnException(e); |
| } |
| Job newJob = new TestJob(getJobId(), getAttemptID(), conf, |
| getDispatcher().getEventHandler(), |
| getTaskAttemptListener(), getContext().getClock(), |
| isNewApiCommitter(), currentUser.getUserName(), getContext(), |
| forcedState, diagnostic); |
| ((AppContext) getContext()).getAllJobs().put(newJob.getID(), newJob); |
| |
| getDispatcher().register(JobFinishEvent.Type.class, |
| createJobFinishEventHandler()); |
| |
| return newJob; |
| } |
| |
| @Override |
| protected ContainerAllocator createContainerAllocator( |
| ClientService clientService, AppContext context) { |
| return new TestCleanupContainerAllocator(); |
| } |
| |
| private class TestCleanupContainerAllocator extends AbstractService |
| implements ContainerAllocator { |
| private MRAppContainerAllocator allocator; |
| |
| TestCleanupContainerAllocator() { |
| super(TestCleanupContainerAllocator.class.getName()); |
| allocator = new MRAppContainerAllocator(); |
| } |
| |
| @Override |
| public void handle(ContainerAllocatorEvent event) { |
| allocator.handle(event); |
| } |
| |
| @Override |
| public synchronized void stop() { |
| stoppedContainerAllocator = true; |
| super.stop(); |
| } |
| } |
| |
| @Override |
| public RMHeartbeatHandler getRMHeartbeatHandler() { |
| return getStubbedHeartbeatHandler(getContext()); |
| } |
| |
| @Override |
| public void cleanupStagingDir() throws IOException { |
| cleanedBeforeContainerAllocatorStopped = !stoppedContainerAllocator; |
| } |
| |
| @Override |
| protected void sysexit() { |
| } |
| } |
| |
| private static RMHeartbeatHandler getStubbedHeartbeatHandler( |
| final AppContext appContext) { |
| return new RMHeartbeatHandler() { |
| @Override |
| public long getLastHeartbeatTime() { |
| return appContext.getClock().getTime(); |
| } |
| @Override |
| public void runOnNextHeartbeat(Runnable callback) { |
| callback.run(); |
| } |
| }; |
| } |
| |
| @Test |
| public void testStagingCleanupOrder() throws Exception { |
| MRAppTestCleanup app = new MRAppTestCleanup(1, 1, true, |
| this.getClass().getName(), true); |
| JobImpl job = (JobImpl)app.submit(new Configuration()); |
| app.waitForState(job, JobState.SUCCEEDED); |
| app.verifyCompleted(); |
| |
| int waitTime = 20 * 1000; |
| while (waitTime > 0 && !app.cleanedBeforeContainerAllocatorStopped) { |
| Thread.sleep(100); |
| waitTime -= 100; |
| } |
| Assert.assertTrue("Staging directory not cleaned before notifying RM", |
| app.cleanedBeforeContainerAllocatorStopped); |
| } |
| } |