| /** |
| * 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.junit.Assert.assertTrue; |
| import static org.mockito.Matchers.any; |
| import static org.mockito.Matchers.anyBoolean; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.never; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.mapreduce.Counters; |
| import org.apache.hadoop.mapreduce.JobID; |
| import org.apache.hadoop.mapreduce.MRJobConfig; |
| import org.apache.hadoop.mapreduce.TypeConverter; |
| 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.MRAppMaster.RunningAppContext; |
| 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.RMCommunicator; |
| import org.apache.hadoop.mapreduce.v2.app.rm.RMHeartbeatHandler; |
| import org.apache.hadoop.mapreduce.v2.util.MRApps; |
| import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem; |
| import org.apache.hadoop.security.UserGroupInformation; |
| import org.apache.hadoop.service.AbstractService; |
| import org.apache.hadoop.service.Service; |
| import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.api.records.ContainerId; |
| import org.apache.hadoop.yarn.exceptions.YarnException; |
| import org.apache.hadoop.yarn.exceptions.YarnRuntimeException; |
| import org.apache.hadoop.yarn.factories.RecordFactory; |
| import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| |
| /** |
| * Make sure that the job staging directory clean up happens. |
| */ |
| public class TestStagingCleanup { |
| |
| 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); |
| |
| @After |
| public void tearDown() { |
| conf.setBoolean(MRJobConfig.PRESERVE_FAILED_TASK_FILES, false); |
| } |
| |
| @Test |
| public void testDeletionofStagingOnUnregistrationFailure() |
| throws IOException { |
| testDeletionofStagingOnUnregistrationFailure(2, false); |
| testDeletionofStagingOnUnregistrationFailure(1, false); |
| } |
| |
| @SuppressWarnings("resource") |
| private void testDeletionofStagingOnUnregistrationFailure( |
| int maxAttempts, boolean shouldHaveDeleted) 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); |
| ApplicationId appId = ApplicationId.newInstance(0, 1); |
| ApplicationAttemptId attemptId = ApplicationAttemptId.newInstance(appId, 1); |
| JobId jobid = recordFactory.newRecordInstance(JobId.class); |
| jobid.setAppId(appId); |
| TestMRApp appMaster = new TestMRApp(attemptId, null, |
| JobStateInternal.RUNNING, maxAttempts); |
| appMaster.crushUnregistration = true; |
| appMaster.init(conf); |
| appMaster.start(); |
| appMaster.shutDownJob(); |
| ((RunningAppContext) appMaster.getContext()).resetIsLastAMRetry(); |
| if (shouldHaveDeleted) { |
| Assert.assertEquals(new Boolean(true), appMaster.isLastAMRetry()); |
| verify(fs).delete(stagingJobPath, true); |
| } else { |
| Assert.assertEquals(new Boolean(false), appMaster.isLastAMRetry()); |
| verify(fs, never()).delete(stagingJobPath, true); |
| } |
| } |
| |
| @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); |
| ApplicationId appId = ApplicationId.newInstance(System.currentTimeMillis(), |
| 0); |
| ApplicationAttemptId attemptId = ApplicationAttemptId.newInstance(appId, 1); |
| JobId jobid = recordFactory.newRecordInstance(JobId.class); |
| jobid.setAppId(appId); |
| ContainerAllocator mockAlloc = mock(ContainerAllocator.class); |
| Assert.assertTrue(MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS > 1); |
| MRAppMaster appMaster = new TestMRApp(attemptId, mockAlloc, |
| JobStateInternal.RUNNING, MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS); |
| appMaster.init(conf); |
| appMaster.start(); |
| appMaster.shutDownJob(); |
| //test whether notifyIsLastAMRetry called |
| Assert.assertEquals(true, ((TestMRApp)appMaster).getTestIsLastAMRetry()); |
| verify(fs).delete(stagingJobPath, true); |
| } |
| |
| @Test (timeout = 30000) |
| public void testNoDeletionofStagingOnReboot() throws IOException { |
| conf.set(MRJobConfig.MAPREDUCE_JOB_DIR, stagingJobDir); |
| fs = mock(FileSystem.class); |
| when(fs.delete(any(Path.class),anyBoolean())).thenReturn(true); |
| String user = UserGroupInformation.getCurrentUser().getShortUserName(); |
| Path stagingDir = MRApps.getStagingAreaDir(conf, user); |
| when(fs.exists(stagingDir)).thenReturn(true); |
| ApplicationId appId = ApplicationId.newInstance(System.currentTimeMillis(), |
| 0); |
| ApplicationAttemptId attemptId = ApplicationAttemptId.newInstance(appId, 1); |
| ContainerAllocator mockAlloc = mock(ContainerAllocator.class); |
| Assert.assertTrue(MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS > 1); |
| MRAppMaster appMaster = new TestMRApp(attemptId, mockAlloc, |
| JobStateInternal.REBOOT, MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS); |
| appMaster.init(conf); |
| appMaster.start(); |
| //shutdown the job, not the lastRetry |
| appMaster.shutDownJob(); |
| //test whether notifyIsLastAMRetry called |
| Assert.assertEquals(false, ((TestMRApp)appMaster).getTestIsLastAMRetry()); |
| verify(fs, times(0)).delete(stagingJobPath, true); |
| } |
| |
| // FIXME: |
| // Disabled this test because currently, when job state=REBOOT at shutdown |
| // when lastRetry = true in RM view, cleanup will not do. |
| // This will be supported after YARN-2261 completed |
| // @Test (timeout = 30000) |
| public void testDeletionofStagingOnReboot() throws IOException { |
| conf.set(MRJobConfig.MAPREDUCE_JOB_DIR, stagingJobDir); |
| fs = mock(FileSystem.class); |
| when(fs.delete(any(Path.class),anyBoolean())).thenReturn(true); |
| String user = UserGroupInformation.getCurrentUser().getShortUserName(); |
| Path stagingDir = MRApps.getStagingAreaDir(conf, user); |
| when(fs.exists(stagingDir)).thenReturn(true); |
| ApplicationId appId = ApplicationId.newInstance(System.currentTimeMillis(), |
| 0); |
| ApplicationAttemptId attemptId = ApplicationAttemptId.newInstance(appId, 1); |
| ContainerAllocator mockAlloc = mock(ContainerAllocator.class); |
| MRAppMaster appMaster = new TestMRApp(attemptId, mockAlloc, |
| JobStateInternal.REBOOT, 1); //no retry |
| appMaster.init(conf); |
| appMaster.start(); |
| //shutdown the job, is lastRetry |
| appMaster.shutDownJob(); |
| //test whether notifyIsLastAMRetry called |
| Assert.assertEquals(true, ((TestMRApp)appMaster).getTestIsLastAMRetry()); |
| verify(fs).delete(stagingJobPath, true); |
| } |
| |
| @Test (timeout = 30000) |
| public void testDeletionofStagingOnKill() 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); |
| ApplicationId appId = ApplicationId.newInstance(System.currentTimeMillis(), |
| 0); |
| ApplicationAttemptId attemptId = ApplicationAttemptId.newInstance(appId, 0); |
| 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); |
| } |
| |
| // FIXME: |
| // Disabled this test because currently, when shutdown hook triggered at |
| // lastRetry in RM view, cleanup will not do. This should be supported after |
| // YARN-2261 completed |
| // @Test (timeout = 30000) |
| public void testDeletionofStagingOnKillLastTry() 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); |
| ApplicationId appId = ApplicationId.newInstance(System.currentTimeMillis(), |
| 0); |
| ApplicationAttemptId attemptId = ApplicationAttemptId.newInstance(appId, 1); |
| JobId jobid = recordFactory.newRecordInstance(JobId.class); |
| jobid.setAppId(appId); |
| ContainerAllocator mockAlloc = mock(ContainerAllocator.class); |
| MRAppMaster appMaster = new TestMRApp(attemptId, mockAlloc); //no retry |
| appMaster.init(conf); |
| assertTrue("appMaster.isLastAMRetry() is false", appMaster.isLastAMRetry()); |
| //simulate the process being killed |
| MRAppMaster.MRAppMasterShutdownHook hook = |
| new MRAppMaster.MRAppMasterShutdownHook(appMaster); |
| hook.run(); |
| assertTrue("MRAppMaster isn't stopped", |
| appMaster.isInState(Service.STATE.STOPPED)); |
| verify(fs).delete(stagingJobPath, true); |
| } |
| |
| @Test |
| public void testByPreserveFailedStaging() throws IOException { |
| conf.set(MRJobConfig.MAPREDUCE_JOB_DIR, stagingJobDir); |
| // TODO: Decide which failed task files that should |
| // be kept are in application log directory. |
| // Currently all files are not deleted from staging dir. |
| conf.setBoolean(MRJobConfig.PRESERVE_FAILED_TASK_FILES, true); |
| 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); |
| ApplicationId appId |
| = ApplicationId.newInstance(System.currentTimeMillis(), 0); |
| ApplicationAttemptId attemptId |
| = ApplicationAttemptId.newInstance(appId, 1); |
| JobId jobid = recordFactory.newRecordInstance(JobId.class); |
| jobid.setAppId(appId); |
| ContainerAllocator mockAlloc = mock(ContainerAllocator.class); |
| Assert.assertTrue(MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS > 1); |
| MRAppMaster appMaster = new TestMRApp(attemptId, mockAlloc, |
| JobStateInternal.FAILED, MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS); |
| appMaster.init(conf); |
| appMaster.start(); |
| appMaster.shutDownJob(); |
| //test whether notifyIsLastAMRetry called |
| Assert.assertEquals(true, ((TestMRApp) appMaster).getTestIsLastAMRetry()); |
| verify(fs, times(0)).delete(stagingJobPath, true); |
| } |
| |
| @Test |
| public void testPreservePatternMatchedStaging() throws IOException { |
| conf.set(MRJobConfig.MAPREDUCE_JOB_DIR, stagingJobDir); |
| // The staging files that are matched to the pattern |
| // should not be deleted |
| conf.set(MRJobConfig.PRESERVE_FILES_PATTERN, "JobDir"); |
| 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); |
| ApplicationId appId |
| = ApplicationId.newInstance(System.currentTimeMillis(), 0); |
| ApplicationAttemptId attemptId |
| = ApplicationAttemptId.newInstance(appId, 1); |
| JobId jobid = recordFactory.newRecordInstance(JobId.class); |
| jobid.setAppId(appId); |
| ContainerAllocator mockAlloc = mock(ContainerAllocator.class); |
| Assert.assertTrue(MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS > 1); |
| MRAppMaster appMaster = new TestMRApp(attemptId, mockAlloc, |
| JobStateInternal.RUNNING, MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS); |
| appMaster.init(conf); |
| appMaster.start(); |
| appMaster.shutDownJob(); |
| //test whether notifyIsLastAMRetry called |
| Assert.assertEquals(true, ((TestMRApp) appMaster).getTestIsLastAMRetry()); |
| verify(fs, times(0)).delete(stagingJobPath, true); |
| } |
| |
| @Test |
| public void testNotPreserveNotPatternMatchedStaging() throws IOException { |
| conf.set(MRJobConfig.MAPREDUCE_JOB_DIR, stagingJobDir); |
| conf.set(MRJobConfig.PRESERVE_FILES_PATTERN, "NotMatching"); |
| 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); |
| ApplicationId appId |
| = ApplicationId.newInstance(System.currentTimeMillis(), 0); |
| ApplicationAttemptId attemptId |
| = ApplicationAttemptId.newInstance(appId, 1); |
| JobId jobid = recordFactory.newRecordInstance(JobId.class); |
| jobid.setAppId(appId); |
| ContainerAllocator mockAlloc = mock(ContainerAllocator.class); |
| Assert.assertTrue(MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS > 1); |
| MRAppMaster appMaster = new TestMRApp(attemptId, mockAlloc, |
| JobStateInternal.RUNNING, MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS); |
| appMaster.init(conf); |
| appMaster.start(); |
| appMaster.shutDownJob(); |
| //test whether notifyIsLastAMRetry called |
| Assert.assertEquals(true, ((TestMRApp) appMaster).getTestIsLastAMRetry()); |
| //Staging dir should be deleted because it is not matched with |
| //PRESERVE_FILES_PATTERN |
| verify(fs, times(1)).delete(stagingJobPath, true); |
| } |
| |
| @Test |
| public void testPreservePatternMatchedAndFailedStaging() throws IOException { |
| conf.set(MRJobConfig.MAPREDUCE_JOB_DIR, stagingJobDir); |
| // When RESERVE_FILES_PATTERN and PRESERVE_FAILED_TASK_FILES are set, |
| // files in staging dir are always kept. |
| conf.set(MRJobConfig.PRESERVE_FILES_PATTERN, "JobDir"); |
| conf.setBoolean(MRJobConfig.PRESERVE_FAILED_TASK_FILES, true); |
| 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); |
| ApplicationId appId |
| = ApplicationId.newInstance(System.currentTimeMillis(), 0); |
| ApplicationAttemptId attemptId |
| = ApplicationAttemptId.newInstance(appId, 1); |
| JobId jobid = recordFactory.newRecordInstance(JobId.class); |
| jobid.setAppId(appId); |
| ContainerAllocator mockAlloc = mock(ContainerAllocator.class); |
| Assert.assertTrue(MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS > 1); |
| MRAppMaster appMaster = new TestMRApp(attemptId, mockAlloc, |
| JobStateInternal.RUNNING, MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS); |
| appMaster.init(conf); |
| appMaster.start(); |
| appMaster.shutDownJob(); |
| //test whether notifyIsLastAMRetry called |
| Assert.assertEquals(true, ((TestMRApp) appMaster).getTestIsLastAMRetry()); |
| verify(fs, times(0)).delete(stagingJobPath, true); |
| } |
| |
| private class TestMRApp extends MRAppMaster { |
| ContainerAllocator allocator; |
| boolean testIsLastAMRetry = false; |
| JobStateInternal jobStateInternal; |
| boolean crushUnregistration = false; |
| |
| public TestMRApp(ApplicationAttemptId applicationAttemptId, |
| ContainerAllocator allocator) { |
| super(applicationAttemptId, ContainerId.newContainerId( |
| applicationAttemptId, 1), "testhost", 2222, 3333, |
| System.currentTimeMillis()); |
| this.allocator = allocator; |
| this.successfullyUnregistered.set(true); |
| } |
| |
| public TestMRApp(ApplicationAttemptId applicationAttemptId, |
| ContainerAllocator allocator, JobStateInternal jobStateInternal, |
| int maxAppAttempts) { |
| this(applicationAttemptId, allocator); |
| this.jobStateInternal = jobStateInternal; |
| } |
| |
| @Override |
| protected FileSystem getFileSystem(Configuration conf) { |
| return fs; |
| } |
| |
| @Override |
| protected ContainerAllocator createContainerAllocator( |
| final ClientService clientService, final AppContext context) { |
| if(allocator == null) { |
| if (crushUnregistration) { |
| return new CustomContainerAllocator(context); |
| } else { |
| return super.createContainerAllocator(clientService, context); |
| } |
| } |
| return allocator; |
| } |
| |
| @Override |
| protected Job createJob(Configuration conf, JobStateInternal forcedState, |
| String diagnostic) { |
| JobImpl jobImpl = mock(JobImpl.class); |
| when(jobImpl.getInternalState()).thenReturn(this.jobStateInternal); |
| when(jobImpl.getAllCounters()).thenReturn(new Counters()); |
| JobID jobID = JobID.forName("job_1234567890000_0001"); |
| JobId jobId = TypeConverter.toYarn(jobID); |
| when(jobImpl.getID()).thenReturn(jobId); |
| ((AppContext) getContext()) |
| .getAllJobs().put(jobImpl.getID(), jobImpl); |
| return jobImpl; |
| } |
| |
| @Override |
| public void serviceStart() throws Exception { |
| super.serviceStart(); |
| DefaultMetricsSystem.shutdown(); |
| } |
| |
| @Override |
| public void notifyIsLastAMRetry(boolean isLastAMRetry){ |
| testIsLastAMRetry = isLastAMRetry; |
| super.notifyIsLastAMRetry(isLastAMRetry); |
| } |
| |
| @Override |
| public RMHeartbeatHandler getRMHeartbeatHandler() { |
| return getStubbedHeartbeatHandler(getContext()); |
| } |
| |
| @Override |
| protected void sysexit() { |
| } |
| |
| @Override |
| public Configuration getConfig() { |
| return conf; |
| } |
| |
| @Override |
| protected void initJobCredentialsAndUGI(Configuration conf) { |
| } |
| |
| public boolean getTestIsLastAMRetry(){ |
| return testIsLastAMRetry; |
| } |
| |
| private class CustomContainerAllocator extends RMCommunicator |
| implements ContainerAllocator { |
| |
| public CustomContainerAllocator(AppContext context) { |
| super(null, context); |
| } |
| |
| @Override |
| public void serviceInit(Configuration conf) { |
| } |
| |
| @Override |
| public void serviceStart() { |
| } |
| |
| @Override |
| public void serviceStop() { |
| unregister(); |
| } |
| |
| @Override |
| protected void doUnregistration() |
| throws YarnException, IOException, InterruptedException { |
| throw new YarnException("test exception"); |
| } |
| |
| @Override |
| protected void heartbeat() throws Exception { |
| } |
| |
| @Override |
| public void handle(ContainerAllocatorEvent event) { |
| } |
| } |
| } |
| |
| private final class MRAppTestCleanup extends MRApp { |
| int stagingDirCleanedup; |
| int ContainerAllocatorStopped; |
| int numStops; |
| public MRAppTestCleanup(int maps, int reduces, boolean autoComplete, |
| String testName, boolean cleanOnStart) { |
| super(maps, reduces, autoComplete, testName, cleanOnStart); |
| stagingDirCleanedup = 0; |
| ContainerAllocatorStopped = 0; |
| numStops = 0; |
| } |
| |
| @Override |
| protected Job createJob(Configuration conf, JobStateInternal forcedState, |
| String diagnostic) { |
| UserGroupInformation currentUser = null; |
| try { |
| currentUser = UserGroupInformation.getCurrentUser(); |
| } catch (IOException e) { |
| throw new YarnRuntimeException(e); |
| } |
| Job newJob = new TestJob(getJobId(), getAttemptID(), conf, |
| getDispatcher().getEventHandler(), |
| getTaskAttemptListener(), getContext().getClock(), |
| getCommitter(), 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 |
| protected void serviceStop() throws Exception { |
| numStops++; |
| ContainerAllocatorStopped = numStops; |
| super.serviceStop(); |
| } |
| } |
| |
| @Override |
| public RMHeartbeatHandler getRMHeartbeatHandler() { |
| return getStubbedHeartbeatHandler(getContext()); |
| } |
| |
| @Override |
| public void cleanupStagingDir() throws IOException { |
| numStops++; |
| stagingDirCleanedup = numStops; |
| } |
| |
| @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(timeout=20000) |
| 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.numStops < 2) { |
| Thread.sleep(100); |
| waitTime -= 100; |
| } |
| |
| // assert ContainerAllocatorStopped and then tagingDirCleanedup |
| Assert.assertEquals(1, app.ContainerAllocatorStopped); |
| Assert.assertEquals(2, app.stagingDirCleanedup); |
| } |
| } |
