| /** |
| * 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.oozie.action.hadoop; |
| |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.api.records.ApplicationReport; |
| import org.apache.hadoop.yarn.exceptions.YarnException; |
| import org.apache.oozie.WorkflowActionBean; |
| import org.apache.oozie.service.HadoopAccessorException; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| import org.junit.runner.RunWith; |
| import org.mockito.Mock; |
| import org.mockito.runners.MockitoJUnitRunner; |
| |
| import java.io.IOException; |
| import java.net.URISyntaxException; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| |
| @RunWith(MockitoJUnitRunner.class) |
| public class TestYarnApplicationIdFinder { |
| @Rule |
| public ExpectedException expectedException = ExpectedException.none(); |
| |
| @Mock |
| private MapReduceActionExecutor.HadoopJobIdFinder hadoopJobIdFinder; |
| |
| @Mock |
| private MapReduceActionExecutor.YarnApplicationReportReader reader; |
| |
| @Mock |
| private WorkflowActionBean workflowActionBean; |
| |
| @Mock |
| private ApplicationReport applicationReport; |
| |
| @Mock |
| private ApplicationId applicationId; |
| |
| private MapReduceActionExecutor.YarnApplicationIdFinder yarnApplicationIdFinder; |
| |
| @Before |
| public void setUp() throws Exception { |
| yarnApplicationIdFinder = new MapReduceActionExecutor.YarnApplicationIdFinder(hadoopJobIdFinder, |
| reader, workflowActionBean); |
| } |
| |
| @Test |
| public void whenHadoopJobIdAndChildYarnApplicationAreNotPresentActionExternalIdIsFound() throws Exception { |
| when(hadoopJobIdFinder.find()).thenReturn(null); |
| when(reader.read()).thenReturn(Collections.emptyList()); |
| when(workflowActionBean.getExternalId()).thenReturn("application_1534164756526_0000"); |
| |
| assertEquals("no Hadoop Job ID nor YARN applications: WorkflowActionBean.externalId should be found", |
| "application_1534164756526_0000", |
| yarnApplicationIdFinder.find()); |
| |
| when(applicationReport.getApplicationType()).thenReturn("Oozie Launcher"); |
| when(reader.read()).thenReturn(new ArrayList<>(Arrays.asList(applicationReport))); |
| |
| assertEquals( |
| "no Hadoop Job ID nor YARN applications of MAPREDUCE type: WorkflowActionBean.externalId should be found", |
| "application_1534164756526_0000", |
| yarnApplicationIdFinder.find()); |
| |
| |
| assertEquals( |
| "no Hadoop Job ID nor YARN applications of the same workflow: WorkflowActionBean.externalId should be found", |
| "application_1534164756526_0000", |
| yarnApplicationIdFinder.find()); |
| } |
| |
| @Test |
| public void whenHadoopJobIdIsNotCorrectExceptionIsThrown() throws Exception { |
| when(hadoopJobIdFinder.find()).thenReturn("notAHadoopJobId"); |
| expectedException.expect(IllegalArgumentException.class); |
| |
| yarnApplicationIdFinder.find(); |
| } |
| |
| @Test |
| public void whenHadoopJobIdIsNotPresentChildYarnApplicationIdIsFound() throws Exception { |
| when(hadoopJobIdFinder.find()).thenReturn(null); |
| when(applicationReport.getApplicationType()).thenReturn("MAPREDUCE"); |
| when(applicationId.toString()).thenReturn("application_1534164756526_0000"); |
| when(applicationReport.getApplicationId()).thenReturn(applicationId); |
| when(reader.read()).thenReturn(Arrays.asList(applicationReport)); |
| |
| assertEquals("no Hadoop Job ID, but an appropriate YARN application: applicationId should be found", |
| "application_1534164756526_0000", |
| yarnApplicationIdFinder.find()); |
| } |
| |
| @Test |
| public void whenHadoopJobIsNotPresentAsYarnApplicationHadoopJobIdIsUsed() throws Exception { |
| setupMocks("job_1534164756526_0002", "application_1534164756526_0000", "application_1534164756526_0001"); |
| |
| assertEquals("Hadoop Job ID should be found when it is not present as a YARN application ID", |
| "application_1534164756526_0002", |
| yarnApplicationIdFinder.find()); |
| } |
| |
| private void setupMocks(final String mrJobId, final String wfExternalId, final String yarnApplicationId) |
| throws HadoopAccessorException, IOException, URISyntaxException, InterruptedException, YarnException { |
| when(hadoopJobIdFinder.find()).thenReturn(mrJobId); |
| when(applicationReport.getApplicationType()).thenReturn("MAPREDUCE"); |
| when(workflowActionBean.getExternalId()).thenReturn(wfExternalId); |
| when(applicationId.toString()).thenReturn(yarnApplicationId); |
| when(applicationReport.getApplicationId()).thenReturn(applicationId); |
| when(reader.read()).thenReturn(Arrays.asList(applicationReport)); |
| } |
| |
| @Test |
| public void whenHadoopJobIsPresentAsYarnApplicationAndDifferentFromItsUsed() throws Exception { |
| setupMocks("job_1534164756526_0002", "application_1534164756526_0001", "application_1534164756526_0003"); |
| |
| assertEquals("Hadoop Job ID should be found when different from the YARN application ID", |
| "application_1534164756526_0002", |
| yarnApplicationIdFinder.find()); |
| } |
| |
| @Test |
| public void whenHadoopJobIsPresentAsYarnApplicationAndContainWorkflowIdNotUsed() throws Exception { |
| setupMocks("job_1534164756526_0002", "application_1534164756526_0002", "application_1534164756526_0003"); |
| |
| assertEquals("YARN application ID should be found when greater than WorkflowActionBean.externalId", |
| "application_1534164756526_0003", |
| yarnApplicationIdFinder.find()); |
| } |
| |
| @Test |
| public void whenOldLauncherAndMRobApplicationsAreFinishedAndNewLauncherPresentNewLauncherIsUsed() throws Exception { |
| final ApplicationReport oldLauncher = mock(ApplicationReport.class); |
| when(oldLauncher.getApplicationType()).thenReturn("Oozie Launcher"); |
| final ApplicationReport oldMRJob = mock(ApplicationReport.class); |
| when(oldMRJob.getApplicationType()).thenReturn("MAPREDUCE"); |
| final ApplicationId oldMRJobId = mock(ApplicationId.class); |
| when(oldMRJobId.toString()).thenReturn("application_1534164756526_0002"); |
| when(oldMRJob.getApplicationId()).thenReturn(oldMRJobId); |
| final ApplicationReport newLauncher = mock(ApplicationReport.class); |
| when(newLauncher.getApplicationType()).thenReturn("Oozie Launcher"); |
| final ApplicationReport newMRJob = mock(ApplicationReport.class); |
| when(newMRJob.getApplicationType()).thenReturn("MAPREDUCE"); |
| final ApplicationId newMRJobId = mock(ApplicationId.class); |
| when(newMRJobId.toString()).thenReturn("application_1534164756526_0004"); |
| when(newMRJob.getApplicationId()).thenReturn(newMRJobId); |
| when(reader.read()).thenReturn(new ArrayList<>(Arrays.asList(oldLauncher, oldMRJob, newLauncher, newMRJob))); |
| |
| when(workflowActionBean.getExternalId()).thenReturn("application_1534164756526_0003"); |
| assertEquals("newLauncher should be found", "application_1534164756526_0004", yarnApplicationIdFinder.find()); |
| |
| when(workflowActionBean.getExternalId()).thenReturn("application_1534164756526_0004"); |
| assertEquals("newLauncher should be found", "application_1534164756526_0004", yarnApplicationIdFinder.find()); |
| |
| when(workflowActionBean.getExternalId()).thenReturn("application_1534164756526_0005"); |
| assertEquals("workflowActionBean.externalId should be found", |
| "application_1534164756526_0005", yarnApplicationIdFinder.find()); |
| } |
| |
| @Test |
| public void testGetLastYarnIdOnNullThrows() { |
| expectedException.expect(NullPointerException.class); |
| yarnApplicationIdFinder.getLastYarnId(null); |
| } |
| |
| @Test |
| public void testGetLastYarnIdOnEmptyListThrows() { |
| expectedException.expect(IllegalArgumentException.class); |
| yarnApplicationIdFinder.getLastYarnId(Collections.emptyList()); |
| } |
| |
| @Test |
| public void testGetLastYarnIdOnOneElementSuccess() { |
| when(applicationReport.getApplicationId()).thenReturn(applicationId); |
| when(applicationId.toString()).thenReturn("application_1534164756526_0000"); |
| |
| final String lastYarnId = yarnApplicationIdFinder.getLastYarnId(Collections.singletonList(applicationReport)); |
| assertEquals("last YARN id should be the only element in the list", "application_1534164756526_0000", lastYarnId); |
| } |
| |
| @Test |
| public void testGetLastYarnIdFromUnorderedListSuccess() { |
| final ApplicationReport newLauncher = mock(ApplicationReport.class); |
| final ApplicationId newLauncherId = mock(ApplicationId.class); |
| when(newLauncherId.toString()).thenReturn("application_1534164756526_0003"); |
| when(newLauncher.getApplicationId()).thenReturn(newLauncherId); |
| final ApplicationReport newMRJob = mock(ApplicationReport.class); |
| final ApplicationId newMRJobId = mock(ApplicationId.class); |
| when(newMRJobId.toString()).thenReturn("application_1534164756526_0004"); |
| when(newMRJob.getApplicationId()).thenReturn(newMRJobId); |
| |
| final String lastYarnId = yarnApplicationIdFinder.getLastYarnId(Arrays.asList(newMRJob, newLauncher)); |
| assertEquals("last YARN id should be the maximal element in the list", "application_1534164756526_0004", lastYarnId); |
| } |
| } |