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* 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.webapp;
import static org.apache.hadoop.mapreduce.v2.app.webapp.AMParams.APP_ID;
import static org.junit.Assert.assertEquals;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.hadoop.mapreduce.v2.api.records.JobId;
import org.apache.hadoop.mapreduce.v2.api.records.TaskId;
import org.apache.hadoop.mapreduce.v2.app.AppContext;
import org.apache.hadoop.mapreduce.v2.app.MockJobs;
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.util.MRApps;
import org.apache.hadoop.yarn.Clock;
import org.apache.hadoop.yarn.ClusterInfo;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.event.EventHandler;
import org.apache.hadoop.yarn.webapp.WebApps;
import org.apache.hadoop.yarn.webapp.test.WebAppTests;
import org.junit.Test;
import com.google.inject.Injector;
public class TestAMWebApp {
static class TestAppContext implements AppContext {
final ApplicationAttemptId appAttemptID;
final ApplicationId appID;
final String user = MockJobs.newUserName();
final Map<JobId, Job> jobs;
final long startTime = System.currentTimeMillis();
TestAppContext(int appid, int numJobs, int numTasks, int numAttempts) {
appID = MockJobs.newAppID(appid);
appAttemptID = MockJobs.newAppAttemptID(appID, 0);
jobs = MockJobs.newJobs(appID, numJobs, numTasks, numAttempts);
}
TestAppContext() {
this(0, 1, 1, 1);
}
@Override
public ApplicationAttemptId getApplicationAttemptId() {
return appAttemptID;
}
@Override
public ApplicationId getApplicationID() {
return appID;
}
@Override
public CharSequence getUser() {
return user;
}
@Override
public Job getJob(JobId jobID) {
return jobs.get(jobID);
}
@Override
public Map<JobId, Job> getAllJobs() {
return jobs; // OK
}
@SuppressWarnings("rawtypes")
@Override
public EventHandler getEventHandler() {
return null;
}
@Override
public Clock getClock() {
return null;
}
@Override
public String getApplicationName() {
return "TestApp";
}
@Override
public long getStartTime() {
return startTime;
}
@Override
public ClusterInfo getClusterInfo() {
return null;
}
}
@Test public void testAppControllerIndex() {
TestAppContext ctx = new TestAppContext();
Injector injector = WebAppTests.createMockInjector(AppContext.class, ctx);
AppController controller = injector.getInstance(AppController.class);
controller.index();
assertEquals(ctx.appID.toString(), controller.get(APP_ID,""));
}
@Test public void testAppView() {
WebAppTests.testPage(AppView.class, AppContext.class, new TestAppContext());
}
@Test public void testJobView() {
AppContext appContext = new TestAppContext();
Map<String, String> params = getJobParams(appContext);
WebAppTests.testPage(JobPage.class, AppContext.class, appContext, params);
}
@Test public void testTasksView() {
AppContext appContext = new TestAppContext();
Map<String, String> params = getTaskParams(appContext);
WebAppTests.testPage(TasksPage.class, AppContext.class, appContext, params);
}
@Test public void testTaskView() {
AppContext appContext = new TestAppContext();
Map<String, String> params = getTaskParams(appContext);
WebAppTests.testPage(TaskPage.class, AppContext.class, appContext, params);
}
public static Map<String, String> getJobParams(AppContext appContext) {
JobId jobId = appContext.getAllJobs().entrySet().iterator().next().getKey();
Map<String, String> params = new HashMap<String, String>();
params.put(AMParams.JOB_ID, MRApps.toString(jobId));
return params;
}
public static Map<String, String> getTaskParams(AppContext appContext) {
JobId jobId = appContext.getAllJobs().entrySet().iterator().next().getKey();
Entry<TaskId, Task> e = appContext.getJob(jobId).getTasks().entrySet().iterator().next();
e.getValue().getType();
Map<String, String> params = new HashMap<String, String>();
params.put(AMParams.JOB_ID, MRApps.toString(jobId));
params.put(AMParams.TASK_ID, MRApps.toString(e.getKey()));
params.put(AMParams.TASK_TYPE, MRApps.taskSymbol(e.getValue().getType()));
return params;
}
@Test public void testConfView() {
WebAppTests.testPage(JobConfPage.class, AppContext.class,
new TestAppContext());
}
@Test public void testCountersView() {
AppContext appContext = new TestAppContext();
Map<String, String> params = getJobParams(appContext);
WebAppTests.testPage(CountersPage.class, AppContext.class,
appContext, params);
}
@Test public void testSingleCounterView() {
AppContext appContext = new TestAppContext();
Map<String, String> params = getJobParams(appContext);
params.put(AMParams.COUNTER_GROUP,
"org.apache.hadoop.mapreduce.FileSystemCounter");
params.put(AMParams.COUNTER_NAME, "HDFS_WRITE_OPS");
WebAppTests.testPage(SingleCounterPage.class, AppContext.class,
appContext, params);
}
@Test public void testTaskCountersView() {
AppContext appContext = new TestAppContext();
Map<String, String> params = getTaskParams(appContext);
WebAppTests.testPage(CountersPage.class, AppContext.class,
appContext, params);
}
@Test public void testSingleTaskCounterView() {
AppContext appContext = new TestAppContext(0, 1, 1, 2);
Map<String, String> params = getTaskParams(appContext);
params.put(AMParams.COUNTER_GROUP,
"org.apache.hadoop.mapreduce.FileSystemCounter");
params.put(AMParams.COUNTER_NAME, "HDFS_WRITE_OPS");
// remove counters from one task attempt
// to test handling of missing counters
TaskId taskID = MRApps.toTaskID(params.get(AMParams.TASK_ID));
Job job = appContext.getJob(taskID.getJobId());
Task task = job.getTask(taskID);
TaskAttempt attempt = task.getAttempts().values().iterator().next();
attempt.getReport().setCounters(null);
WebAppTests.testPage(SingleCounterPage.class, AppContext.class,
appContext, params);
}
public static void main(String[] args) {
WebApps.$for("yarn", AppContext.class, new TestAppContext(0, 8, 88, 4)).
at(58888).inDevMode().start(new AMWebApp()).joinThread();
}
}