/**
* 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.hs;
import java.util.Map;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
import org.apache.hadoop.mapreduce.TaskCounter;
import org.apache.hadoop.mapreduce.v2.api.MRClientProtocol;
import org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetDiagnosticsRequest;
import org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetDiagnosticsResponse;
import org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetTaskAttemptCompletionEventsRequest;
import org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetTaskAttemptCompletionEventsResponse;
import org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetTaskAttemptReportRequest;
import org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetTaskAttemptReportResponse;
import org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetTaskReportRequest;
import org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetTaskReportResponse;
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.TaskAttemptId;
import org.apache.hadoop.mapreduce.v2.api.records.TaskId;
import org.apache.hadoop.mapreduce.v2.api.records.TaskState;
import org.apache.hadoop.mapreduce.v2.app.MRApp;
import org.apache.hadoop.mapreduce.v2.app.job.Job;
import org.apache.hadoop.mapreduce.v2.app.job.Task;
import org.apache.hadoop.mapreduce.v2.app.job.TaskAttempt;
import org.apache.hadoop.mapreduce.v2.hs.TestJobHistoryEvents.MRAppWithHistory;
import org.apache.hadoop.mapreduce.v2.hs.TestJobHistoryParsing.MyResolver;
import org.apache.hadoop.net.DNSToSwitchMapping;
import org.apache.hadoop.service.Service;
import org.apache.hadoop.service.Service.STATE;
import org.apache.hadoop.util.ExitUtil;
import org.apache.hadoop.yarn.factories.RecordFactory;
import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
import org.apache.hadoop.yarn.util.RackResolver;
import org.junit.After;
import org.junit.Test;
import static org.junit.Assert.*;
/*
test JobHistoryServer protocols....
*/
public class TestJobHistoryServer {
private static RecordFactory recordFactory = RecordFactoryProvider
.getRecordFactory(null);
JobHistoryServer historyServer=null;
// simple test init/start/stop JobHistoryServer. Status should change.
@Test (timeout= 50000 )
public void testStartStopServer() throws Exception {
historyServer = new JobHistoryServer();
Configuration config = new Configuration();
historyServer.init(config);
assertEquals(STATE.INITED, historyServer.getServiceState());
assertEquals(3, historyServer.getServices().size());
HistoryClientService historyService = historyServer.getClientService();
assertNotNull(historyServer.getClientService());
assertEquals(STATE.INITED, historyService.getServiceState());
historyServer.start();
assertEquals(STATE.STARTED, historyServer.getServiceState());
assertEquals(STATE.STARTED, historyService.getServiceState());
historyServer.stop();
assertEquals(STATE.STOPPED, historyServer.getServiceState());
assertNotNull(historyService.getClientHandler().getConnectAddress());
}
//Test reports of JobHistoryServer. History server should get log files from MRApp and read them
@Test (timeout= 50000 )
public void testReports() throws Exception {
Configuration config = new Configuration();
config
.setClass(
CommonConfigurationKeysPublic.NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY,
MyResolver.class, DNSToSwitchMapping.class);
RackResolver.init(config);
MRApp app = new MRAppWithHistory(1, 1, true, this.getClass().getName(),
true);
app.submit(config);
Job job = app.getContext().getAllJobs().values().iterator().next();
app.waitForState(job, JobState.SUCCEEDED);
historyServer = new JobHistoryServer();
historyServer.init(config);
historyServer.start();
// search JobHistory service
JobHistory jobHistory= null;
for (Service service : historyServer.getServices() ) {
if (service instanceof JobHistory) {
jobHistory = (JobHistory) service;
}
};
Map<JobId, Job> jobs= jobHistory.getAllJobs();
assertEquals(1, jobs.size());
assertEquals("job_0_0000",jobs.keySet().iterator().next().toString());
Task task = job.getTasks().values().iterator().next();
TaskAttempt attempt = task.getAttempts().values().iterator().next();
HistoryClientService historyService = historyServer.getClientService();
MRClientProtocol protocol = historyService.getClientHandler();
GetTaskAttemptReportRequest gtarRequest = recordFactory
.newRecordInstance(GetTaskAttemptReportRequest.class);
// test getTaskAttemptReport
TaskAttemptId taId = attempt.getID();
taId.setTaskId(task.getID());
taId.getTaskId().setJobId(job.getID());
gtarRequest.setTaskAttemptId(taId);
GetTaskAttemptReportResponse response = protocol
.getTaskAttemptReport(gtarRequest);
assertEquals("container_0_0000_01_000000", response.getTaskAttemptReport()
.getContainerId().toString());
assertTrue(response.getTaskAttemptReport().getDiagnosticInfo().isEmpty());
// counters
assertNotNull(response.getTaskAttemptReport().getCounters()
.getCounter(TaskCounter.PHYSICAL_MEMORY_BYTES));
assertEquals(taId.toString(), response.getTaskAttemptReport()
.getTaskAttemptId().toString());
// test getTaskReport
GetTaskReportRequest request = recordFactory
.newRecordInstance(GetTaskReportRequest.class);
TaskId taskId = task.getID();
taskId.setJobId(job.getID());
request.setTaskId(taskId);
GetTaskReportResponse reportResponse = protocol.getTaskReport(request);
assertEquals("", reportResponse.getTaskReport().getDiagnosticsList()
.iterator().next());
// progress
assertEquals(1.0f, reportResponse.getTaskReport().getProgress(), 0.01);
// report has corrected taskId
assertEquals(taskId.toString(), reportResponse.getTaskReport().getTaskId()
.toString());
// Task state should be SUCCEEDED
assertEquals(TaskState.SUCCEEDED, reportResponse.getTaskReport()
.getTaskState());
// test getTaskAttemptCompletionEvents
GetTaskAttemptCompletionEventsRequest taskAttemptRequest = recordFactory
.newRecordInstance(GetTaskAttemptCompletionEventsRequest.class);
taskAttemptRequest.setJobId(job.getID());
GetTaskAttemptCompletionEventsResponse taskAttemptCompletionEventsResponse = protocol
.getTaskAttemptCompletionEvents(taskAttemptRequest);
assertEquals(0, taskAttemptCompletionEventsResponse.getCompletionEventCount());
// test getDiagnostics
GetDiagnosticsRequest diagnosticRequest = recordFactory
.newRecordInstance(GetDiagnosticsRequest.class);
diagnosticRequest.setTaskAttemptId(taId);
GetDiagnosticsResponse diagnosticResponse = protocol
.getDiagnostics(diagnosticRequest);
// it is strange : why one empty string ?
assertEquals(1, diagnosticResponse.getDiagnosticsCount());
assertEquals("", diagnosticResponse.getDiagnostics(0));
}
// test launch method
@Test (timeout =60000)
public void testLaunch() throws Exception {
ExitUtil.disableSystemExit();
try {
historyServer = JobHistoryServer.launchJobHistoryServer(new String[0]);
} catch (ExitUtil.ExitException e) {
assertEquals(0,e.status);
ExitUtil.resetFirstExitException();
fail();
}
}
@After
public void stop(){
if(historyServer != null) {
historyServer.stop();
}
}
}