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* Licensed to the Apache Software Foundation (ASF) under one
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* 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.
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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.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import javax.net.ssl.SSLException;
import junit.framework.Assert;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.http.HttpConfig.Policy;
import org.apache.hadoop.io.IOUtils;
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.AppContext;
import org.apache.hadoop.mapreduce.v2.app.MRApp;
import org.apache.hadoop.mapreduce.v2.app.MockAppContext;
import org.apache.hadoop.mapreduce.v2.app.MockJobs;
import org.apache.hadoop.mapreduce.v2.app.client.ClientService;
import org.apache.hadoop.mapreduce.v2.app.client.MRClientService;
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.net.NetUtils;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.webproxy.ProxyUriUtils;
import org.apache.hadoop.yarn.server.webproxy.amfilter.AmFilterInitializer;
import org.apache.hadoop.yarn.webapp.WebApps;
import org.apache.hadoop.yarn.webapp.test.WebAppTests;
import org.apache.hadoop.yarn.webapp.util.WebAppUtils;
import org.junit.Test;
import com.google.common.net.HttpHeaders;
import com.google.inject.Injector;
public class TestAMWebApp {
@Test public void testAppControllerIndex() {
AppContext ctx = new MockAppContext(0, 1, 1, 1);
Injector injector = WebAppTests.createMockInjector(AppContext.class, ctx);
AppController controller = injector.getInstance(AppController.class);
controller.index();
assertEquals(ctx.getApplicationID().toString(), controller.get(APP_ID,""));
}
@Test public void testAppView() {
WebAppTests.testPage(AppView.class, AppContext.class, new MockAppContext(0, 1, 1, 1));
}
@Test public void testJobView() {
AppContext appContext = new MockAppContext(0, 1, 1, 1);
Map<String, String> params = getJobParams(appContext);
WebAppTests.testPage(JobPage.class, AppContext.class, appContext, params);
}
@Test public void testTasksView() {
AppContext appContext = new MockAppContext(0, 1, 1, 1);
Map<String, String> params = getTaskParams(appContext);
WebAppTests.testPage(TasksPage.class, AppContext.class, appContext, params);
}
@Test public void testTaskView() {
AppContext appContext = new MockAppContext(0, 1, 1, 1);
Map<String, String> params = getTaskParams(appContext);
App app = new App(appContext);
app.setJob(appContext.getAllJobs().values().iterator().next());
app.setTask(app.getJob().getTasks().values().iterator().next());
WebAppTests.testPage(TaskPage.class, App.class, app, 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 MockAppContext(0, 1, 1, 1));
}
@Test public void testCountersView() {
AppContext appContext = new MockAppContext(0, 1, 1, 1);
Map<String, String> params = getJobParams(appContext);
WebAppTests.testPage(CountersPage.class, AppContext.class,
appContext, params);
}
@Test public void testSingleCounterView() {
AppContext appContext = new MockAppContext(0, 1, 1, 1);
Job job = appContext.getAllJobs().values().iterator().next();
// add a failed task to the job without any counters
Task failedTask = MockJobs.newTask(job.getID(), 2, 1, true);
Map<TaskId,Task> tasks = job.getTasks();
tasks.put(failedTask.getID(), failedTask);
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 MockAppContext(0, 1, 1, 1);
Map<String, String> params = getTaskParams(appContext);
WebAppTests.testPage(CountersPage.class, AppContext.class,
appContext, params);
}
@Test public void testSingleTaskCounterView() {
AppContext appContext = new MockAppContext(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);
}
@Test
public void testMRWebAppSSLDisabled() throws Exception {
MRApp app = new MRApp(2, 2, true, this.getClass().getName(), true) {
@Override
protected ClientService createClientService(AppContext context) {
return new MRClientService(context);
}
};
Configuration conf = new Configuration();
// MR is explicitly disabling SSL, even though setting as HTTPS_ONLY
conf.set(YarnConfiguration.YARN_HTTP_POLICY_KEY, Policy.HTTPS_ONLY.name());
Job job = app.submit(conf);
String hostPort =
NetUtils.getHostPortString(((MRClientService) app.getClientService())
.getWebApp().getListenerAddress());
// http:// should be accessible
URL httpUrl = new URL("http://" + hostPort);
HttpURLConnection conn = (HttpURLConnection) httpUrl.openConnection();
InputStream in = conn.getInputStream();
ByteArrayOutputStream out = new ByteArrayOutputStream();
IOUtils.copyBytes(in, out, 1024);
Assert.assertTrue(out.toString().contains("MapReduce Application"));
// https:// is not accessible.
URL httpsUrl = new URL("https://" + hostPort);
try {
HttpURLConnection httpsConn =
(HttpURLConnection) httpsUrl.openConnection();
httpsConn.getInputStream();
Assert.fail("https:// is not accessible, expected to fail");
} catch (Exception e) {
Assert.assertTrue(e instanceof SSLException);
}
app.waitForState(job, JobState.SUCCEEDED);
app.verifyCompleted();
}
static String webProxyBase = null;
public static class TestAMFilterInitializer extends AmFilterInitializer {
@Override
protected String getApplicationWebProxyBase() {
return webProxyBase;
}
}
@Test
public void testMRWebAppRedirection() throws Exception {
String[] schemePrefix =
{ WebAppUtils.HTTP_PREFIX, WebAppUtils.HTTPS_PREFIX };
for (String scheme : schemePrefix) {
MRApp app = new MRApp(2, 2, true, this.getClass().getName(), true) {
@Override
protected ClientService createClientService(AppContext context) {
return new MRClientService(context);
}
};
Configuration conf = new Configuration();
conf.set(YarnConfiguration.PROXY_ADDRESS, "9.9.9.9");
conf.set(YarnConfiguration.YARN_HTTP_POLICY_KEY, scheme
.equals(WebAppUtils.HTTPS_PREFIX) ? Policy.HTTPS_ONLY.name()
: Policy.HTTP_ONLY.name());
webProxyBase = "/proxy/" + app.getAppID();
conf.set("hadoop.http.filter.initializers",
TestAMFilterInitializer.class.getName());
Job job = app.submit(conf);
String hostPort =
NetUtils.getHostPortString(((MRClientService) app.getClientService())
.getWebApp().getListenerAddress());
URL httpUrl = new URL("http://" + hostPort + "/mapreduce");
HttpURLConnection conn = (HttpURLConnection) httpUrl.openConnection();
conn.setInstanceFollowRedirects(false);
conn.connect();
String expectedURL =
scheme + conf.get(YarnConfiguration.PROXY_ADDRESS)
+ ProxyUriUtils.getPath(app.getAppID(), "/mapreduce");
Assert.assertEquals(expectedURL,
conn.getHeaderField(HttpHeaders.LOCATION));
Assert.assertEquals(HttpStatus.SC_MOVED_TEMPORARILY,
conn.getResponseCode());
app.waitForState(job, JobState.SUCCEEDED);
app.verifyCompleted();
}
}
public static void main(String[] args) {
WebApps.$for("yarn", AppContext.class, new MockAppContext(0, 8, 88, 4)).
at(58888).inDevMode().start(new AMWebApp()).joinThread();
}
}