| /** |
| * 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.job.impl; |
| |
| import static org.mockito.Matchers.any; |
| import static org.mockito.Matchers.eq; |
| import static org.mockito.Mockito.doNothing; |
| import static org.mockito.Mockito.doThrow; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.mapreduce.JobACL; |
| import org.apache.hadoop.mapreduce.JobContext; |
| import org.apache.hadoop.mapreduce.JobID; |
| import org.apache.hadoop.mapreduce.MRConfig; |
| import org.apache.hadoop.mapreduce.MRJobConfig; |
| import org.apache.hadoop.mapreduce.OutputCommitter; |
| import org.apache.hadoop.mapreduce.TypeConverter; |
| import org.apache.hadoop.mapreduce.jobhistory.JobHistoryEvent; |
| import org.apache.hadoop.mapreduce.security.token.JobTokenSecretManager; |
| import org.apache.hadoop.mapreduce.split.JobSplit.TaskSplitMetaInfo; |
| import org.apache.hadoop.mapreduce.v2.api.records.JobId; |
| import org.apache.hadoop.mapreduce.v2.api.records.JobState; |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskId; |
| import org.apache.hadoop.mapreduce.v2.app.job.Task; |
| import org.apache.hadoop.mapreduce.v2.app.job.event.JobEvent; |
| import org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl.InitTransition; |
| import org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl.JobNoTasksCompletedTransition; |
| import org.apache.hadoop.mapreduce.v2.app.metrics.MRAppMetrics; |
| import org.apache.hadoop.security.UserGroupInformation; |
| import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; |
| import org.apache.hadoop.yarn.event.EventHandler; |
| import org.apache.hadoop.yarn.util.Records; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| |
| /** |
| * Tests various functions of the JobImpl class |
| */ |
| @SuppressWarnings({"unchecked", "rawtypes"}) |
| public class TestJobImpl { |
| |
| @Test |
| public void testJobNoTasksTransition() { |
| JobNoTasksCompletedTransition trans = new JobNoTasksCompletedTransition(); |
| JobImpl mockJob = mock(JobImpl.class); |
| |
| // Force checkJobCompleteSuccess to return null |
| Task mockTask = mock(Task.class); |
| Map<TaskId, Task> tasks = new HashMap<TaskId, Task>(); |
| tasks.put(mockTask.getID(), mockTask); |
| mockJob.tasks = tasks; |
| |
| when(mockJob.getState()).thenReturn(JobState.ERROR); |
| JobEvent mockJobEvent = mock(JobEvent.class); |
| JobState state = trans.transition(mockJob, mockJobEvent); |
| Assert.assertEquals("Incorrect state returned from JobNoTasksCompletedTransition", |
| JobState.ERROR, state); |
| } |
| |
| @Test |
| public void testCommitJobFailsJob() { |
| |
| JobImpl mockJob = mock(JobImpl.class); |
| mockJob.tasks = new HashMap<TaskId, Task>(); |
| OutputCommitter mockCommitter = mock(OutputCommitter.class); |
| EventHandler mockEventHandler = mock(EventHandler.class); |
| JobContext mockJobContext = mock(JobContext.class); |
| |
| when(mockJob.getCommitter()).thenReturn(mockCommitter); |
| when(mockJob.getEventHandler()).thenReturn(mockEventHandler); |
| when(mockJob.getJobContext()).thenReturn(mockJobContext); |
| when(mockJob.finished(JobState.KILLED)).thenReturn(JobState.KILLED); |
| when(mockJob.finished(JobState.FAILED)).thenReturn(JobState.FAILED); |
| when(mockJob.finished(JobState.SUCCEEDED)).thenReturn(JobState.SUCCEEDED); |
| |
| try { |
| doThrow(new IOException()).when(mockCommitter).commitJob(any(JobContext.class)); |
| } catch (IOException e) { |
| // commitJob stubbed out, so this can't happen |
| } |
| doNothing().when(mockEventHandler).handle(any(JobHistoryEvent.class)); |
| JobState jobState = JobImpl.checkJobCompleteSuccess(mockJob); |
| Assert.assertNotNull("checkJobCompleteSuccess incorrectly returns null " + |
| "for successful job", jobState); |
| Assert.assertEquals("checkJobCompleteSuccess returns incorrect state", |
| JobState.FAILED, jobState); |
| verify(mockJob).abortJob( |
| eq(org.apache.hadoop.mapreduce.JobStatus.State.FAILED)); |
| } |
| |
| @Test |
| public void testCheckJobCompleteSuccess() { |
| |
| JobImpl mockJob = mock(JobImpl.class); |
| mockJob.tasks = new HashMap<TaskId, Task>(); |
| OutputCommitter mockCommitter = mock(OutputCommitter.class); |
| EventHandler mockEventHandler = mock(EventHandler.class); |
| JobContext mockJobContext = mock(JobContext.class); |
| |
| when(mockJob.getCommitter()).thenReturn(mockCommitter); |
| when(mockJob.getEventHandler()).thenReturn(mockEventHandler); |
| when(mockJob.getJobContext()).thenReturn(mockJobContext); |
| doNothing().when(mockJob).setFinishTime(); |
| doNothing().when(mockJob).logJobHistoryFinishedEvent(); |
| when(mockJob.finished(any(JobState.class))).thenReturn(JobState.SUCCEEDED); |
| |
| try { |
| doNothing().when(mockCommitter).commitJob(any(JobContext.class)); |
| } catch (IOException e) { |
| // commitJob stubbed out, so this can't happen |
| } |
| doNothing().when(mockEventHandler).handle(any(JobHistoryEvent.class)); |
| Assert.assertNotNull("checkJobCompleteSuccess incorrectly returns null " + |
| "for successful job", |
| JobImpl.checkJobCompleteSuccess(mockJob)); |
| Assert.assertEquals("checkJobCompleteSuccess returns incorrect state", |
| JobState.SUCCEEDED, JobImpl.checkJobCompleteSuccess(mockJob)); |
| } |
| |
| @Test |
| public void testCheckJobCompleteSuccessFailed() { |
| JobImpl mockJob = mock(JobImpl.class); |
| |
| // Make the completedTasks not equal the getTasks() |
| Task mockTask = mock(Task.class); |
| Map<TaskId, Task> tasks = new HashMap<TaskId, Task>(); |
| tasks.put(mockTask.getID(), mockTask); |
| mockJob.tasks = tasks; |
| |
| try { |
| // Just in case the code breaks and reaches these calls |
| OutputCommitter mockCommitter = mock(OutputCommitter.class); |
| EventHandler mockEventHandler = mock(EventHandler.class); |
| doNothing().when(mockCommitter).commitJob(any(JobContext.class)); |
| doNothing().when(mockEventHandler).handle(any(JobHistoryEvent.class)); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| Assert.assertNull("checkJobCompleteSuccess incorrectly returns not-null " + |
| "for unsuccessful job", |
| JobImpl.checkJobCompleteSuccess(mockJob)); |
| } |
| |
| |
| public static void main(String[] args) throws Exception { |
| TestJobImpl t = new TestJobImpl(); |
| t.testJobNoTasksTransition(); |
| t.testCheckJobCompleteSuccess(); |
| t.testCheckJobCompleteSuccessFailed(); |
| t.testCheckAccess(); |
| } |
| |
| @Test |
| public void testCheckAccess() { |
| // Create two unique users |
| String user1 = System.getProperty("user.name"); |
| String user2 = user1 + "1234"; |
| UserGroupInformation ugi1 = UserGroupInformation.createRemoteUser(user1); |
| UserGroupInformation ugi2 = UserGroupInformation.createRemoteUser(user2); |
| |
| // Create the job |
| JobID jobID = JobID.forName("job_1234567890000_0001"); |
| JobId jobId = TypeConverter.toYarn(jobID); |
| |
| // Setup configuration access only to user1 (owner) |
| Configuration conf1 = new Configuration(); |
| conf1.setBoolean(MRConfig.MR_ACLS_ENABLED, true); |
| conf1.set(MRJobConfig.JOB_ACL_VIEW_JOB, ""); |
| |
| // Verify access |
| JobImpl job1 = new JobImpl(jobId, null, conf1, null, null, null, null, null, |
| null, null, null, true, null, 0, null, null); |
| Assert.assertTrue(job1.checkAccess(ugi1, JobACL.VIEW_JOB)); |
| Assert.assertFalse(job1.checkAccess(ugi2, JobACL.VIEW_JOB)); |
| |
| // Setup configuration access to the user1 (owner) and user2 |
| Configuration conf2 = new Configuration(); |
| conf2.setBoolean(MRConfig.MR_ACLS_ENABLED, true); |
| conf2.set(MRJobConfig.JOB_ACL_VIEW_JOB, user2); |
| |
| // Verify access |
| JobImpl job2 = new JobImpl(jobId, null, conf2, null, null, null, null, null, |
| null, null, null, true, null, 0, null, null); |
| Assert.assertTrue(job2.checkAccess(ugi1, JobACL.VIEW_JOB)); |
| Assert.assertTrue(job2.checkAccess(ugi2, JobACL.VIEW_JOB)); |
| |
| // Setup configuration access with security enabled and access to all |
| Configuration conf3 = new Configuration(); |
| conf3.setBoolean(MRConfig.MR_ACLS_ENABLED, true); |
| conf3.set(MRJobConfig.JOB_ACL_VIEW_JOB, "*"); |
| |
| // Verify access |
| JobImpl job3 = new JobImpl(jobId, null, conf3, null, null, null, null, null, |
| null, null, null, true, null, 0, null, null); |
| Assert.assertTrue(job3.checkAccess(ugi1, JobACL.VIEW_JOB)); |
| Assert.assertTrue(job3.checkAccess(ugi2, JobACL.VIEW_JOB)); |
| |
| // Setup configuration access without security enabled |
| Configuration conf4 = new Configuration(); |
| conf4.setBoolean(MRConfig.MR_ACLS_ENABLED, false); |
| conf4.set(MRJobConfig.JOB_ACL_VIEW_JOB, ""); |
| |
| // Verify access |
| JobImpl job4 = new JobImpl(jobId, null, conf4, null, null, null, null, null, |
| null, null, null, true, null, 0, null, null); |
| Assert.assertTrue(job4.checkAccess(ugi1, JobACL.VIEW_JOB)); |
| Assert.assertTrue(job4.checkAccess(ugi2, JobACL.VIEW_JOB)); |
| |
| // Setup configuration access without security enabled |
| Configuration conf5 = new Configuration(); |
| conf5.setBoolean(MRConfig.MR_ACLS_ENABLED, true); |
| conf5.set(MRJobConfig.JOB_ACL_VIEW_JOB, ""); |
| |
| // Verify access |
| JobImpl job5 = new JobImpl(jobId, null, conf5, null, null, null, null, null, |
| null, null, null, true, null, 0, null, null); |
| Assert.assertTrue(job5.checkAccess(ugi1, null)); |
| Assert.assertTrue(job5.checkAccess(ugi2, null)); |
| } |
| @Test |
| public void testUberDecision() throws Exception { |
| |
| // with default values, no of maps is 2 |
| Configuration conf = new Configuration(); |
| boolean isUber = testUberDecision(conf); |
| Assert.assertFalse(isUber); |
| |
| // enable uber mode, no of maps is 2 |
| conf = new Configuration(); |
| conf.setBoolean(MRJobConfig.JOB_UBERTASK_ENABLE, true); |
| isUber = testUberDecision(conf); |
| Assert.assertTrue(isUber); |
| |
| // enable uber mode, no of maps is 2, no of reduces is 1 and uber task max |
| // reduces is 0 |
| conf = new Configuration(); |
| conf.setBoolean(MRJobConfig.JOB_UBERTASK_ENABLE, true); |
| conf.setInt(MRJobConfig.JOB_UBERTASK_MAXREDUCES, 0); |
| conf.setInt(MRJobConfig.NUM_REDUCES, 1); |
| isUber = testUberDecision(conf); |
| Assert.assertFalse(isUber); |
| |
| // enable uber mode, no of maps is 2, no of reduces is 1 and uber task max |
| // reduces is 1 |
| conf = new Configuration(); |
| conf.setBoolean(MRJobConfig.JOB_UBERTASK_ENABLE, true); |
| conf.setInt(MRJobConfig.JOB_UBERTASK_MAXREDUCES, 1); |
| conf.setInt(MRJobConfig.NUM_REDUCES, 1); |
| isUber = testUberDecision(conf); |
| Assert.assertTrue(isUber); |
| |
| // enable uber mode, no of maps is 2 and uber task max maps is 0 |
| conf = new Configuration(); |
| conf.setBoolean(MRJobConfig.JOB_UBERTASK_ENABLE, true); |
| conf.setInt(MRJobConfig.JOB_UBERTASK_MAXMAPS, 1); |
| isUber = testUberDecision(conf); |
| Assert.assertFalse(isUber); |
| } |
| |
| private boolean testUberDecision(Configuration conf) { |
| JobID jobID = JobID.forName("job_1234567890000_0001"); |
| JobId jobId = TypeConverter.toYarn(jobID); |
| MRAppMetrics mrAppMetrics = MRAppMetrics.create(); |
| JobImpl job = new JobImpl(jobId, Records |
| .newRecord(ApplicationAttemptId.class), conf, mock(EventHandler.class), |
| null, mock(JobTokenSecretManager.class), null, null, null, |
| mrAppMetrics, mock(OutputCommitter.class), true, null, 0, null, null); |
| InitTransition initTransition = getInitTransition(); |
| JobEvent mockJobEvent = mock(JobEvent.class); |
| initTransition.transition(job, mockJobEvent); |
| boolean isUber = job.isUber(); |
| return isUber; |
| } |
| |
| private InitTransition getInitTransition() { |
| InitTransition initTransition = new InitTransition() { |
| @Override |
| protected TaskSplitMetaInfo[] createSplits(JobImpl job, JobId jobId) { |
| return new TaskSplitMetaInfo[] { new TaskSplitMetaInfo(), |
| new TaskSplitMetaInfo() }; |
| } |
| }; |
| return initTransition; |
| } |
| } |