/**
* 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;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import junit.framework.TestCase;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileContext;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.mapred.ClientCache;
import org.apache.hadoop.mapred.ClientServiceDelegate;
import org.apache.hadoop.mapred.ResourceMgrDelegate;
import org.apache.hadoop.mapred.YARNRunner;
import org.apache.hadoop.mapreduce.JobID;
import org.apache.hadoop.mapreduce.JobPriority;
import org.apache.hadoop.mapreduce.JobStatus.State;
import org.apache.hadoop.mapreduce.TypeConverter;
import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.yarn.api.ClientRMProtocol;
import org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationResponse;
import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetAllApplicationsRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetAllApplicationsResponse;
import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportResponse;
import org.apache.hadoop.yarn.api.protocolrecords.GetClusterMetricsRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetClusterMetricsResponse;
import org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodesRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodesResponse;
import org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoResponse;
import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoResponse;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ApplicationReport;
import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
import org.apache.hadoop.yarn.api.records.QueueInfo;
import org.apache.hadoop.yarn.api.records.YarnClusterMetrics;
import org.apache.hadoop.yarn.api.records.YarnApplicationState;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.factories.RecordFactory;
import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
import org.junit.Before;
import org.junit.Test;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
/**
* Test YarnRunner and make sure the client side plugin works
* fine
*/
public class TestYARNRunner extends TestCase {
private static final Log LOG = LogFactory.getLog(TestYARNRunner.class);
private static final RecordFactory recordFactory = RecordFactoryProvider.getRecordFactory(null);
private YARNRunner yarnRunner;
private ResourceMgrDelegate resourceMgrDelegate;
private YarnConfiguration conf;
private ClientCache clientCache;
private ApplicationId appId;
private JobID jobId;
private File testWorkDir =
new File("target", TestYARNRunner.class.getName());
private ApplicationSubmissionContext submissionContext;
private ClientServiceDelegate clientDelegate;
private static final String failString = "Rejected job";
@Before
public void setUp() throws Exception {
resourceMgrDelegate = mock(ResourceMgrDelegate.class);
conf = new YarnConfiguration();
clientCache = new ClientCache(conf, resourceMgrDelegate);
clientCache = spy(clientCache);
yarnRunner = new YARNRunner(conf, resourceMgrDelegate, clientCache);
yarnRunner = spy(yarnRunner);
submissionContext = mock(ApplicationSubmissionContext.class);
doAnswer(
new Answer<ApplicationSubmissionContext>() {
@Override
public ApplicationSubmissionContext answer(InvocationOnMock invocation)
throws Throwable {
return submissionContext;
}
}
).when(yarnRunner).createApplicationSubmissionContext(any(Configuration.class),
any(String.class), any(Credentials.class));
appId = recordFactory.newRecordInstance(ApplicationId.class);
appId.setClusterTimestamp(System.currentTimeMillis());
appId.setId(1);
jobId = TypeConverter.fromYarn(appId);
if (testWorkDir.exists()) {
FileContext.getLocalFSFileContext().delete(new Path(testWorkDir.toString()), true);
}
testWorkDir.mkdirs();
}
@Test
public void testJobKill() throws Exception {
clientDelegate = mock(ClientServiceDelegate.class);
when(clientDelegate.getJobStatus(any(JobID.class))).thenReturn(new
org.apache.hadoop.mapreduce.JobStatus(jobId, 0f, 0f, 0f, 0f,
State.PREP, JobPriority.HIGH, "tmp", "tmp", "tmp", "tmp"));
when(clientDelegate.killJob(any(JobID.class))).thenReturn(true);
doAnswer(
new Answer<ClientServiceDelegate>() {
@Override
public ClientServiceDelegate answer(InvocationOnMock invocation)
throws Throwable {
return clientDelegate;
}
}
).when(clientCache).getClient(any(JobID.class));
yarnRunner.killJob(jobId);
verify(resourceMgrDelegate).killApplication(appId);
when(clientDelegate.getJobStatus(any(JobID.class))).thenReturn(new
org.apache.hadoop.mapreduce.JobStatus(jobId, 0f, 0f, 0f, 0f,
State.RUNNING, JobPriority.HIGH, "tmp", "tmp", "tmp", "tmp"));
yarnRunner.killJob(jobId);
verify(clientDelegate).killJob(jobId);
}
@Test
public void testJobSubmissionFailure() throws Exception {
when(resourceMgrDelegate.submitApplication(any(ApplicationSubmissionContext.class))).
thenReturn(appId);
ApplicationReport report = mock(ApplicationReport.class);
when(report.getApplicationId()).thenReturn(appId);
when(report.getDiagnostics()).thenReturn(failString);
when(report.getYarnApplicationState()).thenReturn(YarnApplicationState.FAILED);
when(resourceMgrDelegate.getApplicationReport(appId)).thenReturn(report);
Credentials credentials = new Credentials();
File jobxml = new File(testWorkDir, "job.xml");
OutputStream out = new FileOutputStream(jobxml);
conf.writeXml(out);
out.close();
try {
yarnRunner.submitJob(jobId, testWorkDir.getAbsolutePath().toString(), credentials);
} catch(IOException io) {
LOG.info("Logging exception:", io);
assertTrue(io.getLocalizedMessage().contains(failString));
}
}
@Test
public void testResourceMgrDelegate() throws Exception {
/* we not want a mock of resourcemgr deleagte */
ClientRMProtocol clientRMProtocol = mock(ClientRMProtocol.class);
ResourceMgrDelegate delegate = new ResourceMgrDelegate(conf, clientRMProtocol);
/* make sure kill calls finish application master */
when(clientRMProtocol.forceKillApplication(any(KillApplicationRequest.class)))
.thenReturn(null);
delegate.killApplication(appId);
verify(clientRMProtocol).forceKillApplication(any(KillApplicationRequest.class));
/* make sure getalljobs calls get all applications */
when(clientRMProtocol.getAllApplications(any(GetAllApplicationsRequest.class))).
thenReturn(recordFactory.newRecordInstance(GetAllApplicationsResponse.class));
delegate.getAllJobs();
verify(clientRMProtocol).getAllApplications(any(GetAllApplicationsRequest.class));
/* make sure getapplication report is called */
when(clientRMProtocol.getApplicationReport(any(GetApplicationReportRequest.class)))
.thenReturn(recordFactory.newRecordInstance(GetApplicationReportResponse.class));
delegate.getApplicationReport(appId);
verify(clientRMProtocol).getApplicationReport(any(GetApplicationReportRequest.class));
/* make sure metrics is called */
GetClusterMetricsResponse clusterMetricsResponse = recordFactory.newRecordInstance
(GetClusterMetricsResponse.class);
clusterMetricsResponse.setClusterMetrics(recordFactory.newRecordInstance(
YarnClusterMetrics.class));
when(clientRMProtocol.getClusterMetrics(any(GetClusterMetricsRequest.class)))
.thenReturn(clusterMetricsResponse);
delegate.getClusterMetrics();
verify(clientRMProtocol).getClusterMetrics(any(GetClusterMetricsRequest.class));
when(clientRMProtocol.getClusterNodes(any(GetClusterNodesRequest.class))).
thenReturn(recordFactory.newRecordInstance(GetClusterNodesResponse.class));
delegate.getActiveTrackers();
verify(clientRMProtocol).getClusterNodes(any(GetClusterNodesRequest.class));
GetNewApplicationResponse newAppResponse = recordFactory.newRecordInstance(
GetNewApplicationResponse.class);
newAppResponse.setApplicationId(appId);
when(clientRMProtocol.getNewApplication(any(GetNewApplicationRequest.class))).
thenReturn(newAppResponse);
delegate.getNewJobID();
verify(clientRMProtocol).getNewApplication(any(GetNewApplicationRequest.class));
GetQueueInfoResponse queueInfoResponse = recordFactory.newRecordInstance(
GetQueueInfoResponse.class);
queueInfoResponse.setQueueInfo(recordFactory.newRecordInstance(QueueInfo.class));
when(clientRMProtocol.getQueueInfo(any(GetQueueInfoRequest.class))).
thenReturn(queueInfoResponse);
delegate.getQueues();
verify(clientRMProtocol).getQueueInfo(any(GetQueueInfoRequest.class));
GetQueueUserAclsInfoResponse aclResponse = recordFactory.newRecordInstance(
GetQueueUserAclsInfoResponse.class);
when(clientRMProtocol.getQueueUserAcls(any(GetQueueUserAclsInfoRequest.class)))
.thenReturn(aclResponse);
delegate.getQueueAclsForCurrentUser();
verify(clientRMProtocol).getQueueUserAcls(any(GetQueueUserAclsInfoRequest.class));
}
}