/**
* 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.yarn.server.resourcemanager;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.api.ApplicationConstants;
import org.apache.hadoop.yarn.api.ContainerManager;
import org.apache.hadoop.yarn.api.protocolrecords.GetContainerStatusRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetContainerStatusResponse;
import org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest;
import org.apache.hadoop.yarn.api.protocolrecords.StartContainerResponse;
import org.apache.hadoop.yarn.api.protocolrecords.StopContainerRequest;
import org.apache.hadoop.yarn.api.protocolrecords.StopContainerResponse;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
import org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncher;
import org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncherEventType;
import org.apache.hadoop.yarn.server.resourcemanager.amlauncher.ApplicationMasterLauncher;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;
import org.apache.hadoop.yarn.util.ConverterUtils;
import org.apache.log4j.Level;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import org.junit.Assert;
import org.junit.Test;
public class TestApplicationMasterLauncher {
private static final Log LOG = LogFactory
.getLog(TestApplicationMasterLauncher.class);
private static final class MyContainerManagerImpl implements
ContainerManager {
boolean launched = false;
boolean cleanedup = false;
String attemptIdAtContainerManager = null;
String containerIdAtContainerManager = null;
String nmHostAtContainerManager = null;
int nmPortAtContainerManager;
int nmHttpPortAtContainerManager;
long submitTimeAtContainerManager;
@Override
public StartContainerResponse
startContainer(StartContainerRequest request)
throws YarnRemoteException {
LOG.info("Container started by MyContainerManager: " + request);
launched = true;
Map<String, String> env =
request.getContainerLaunchContext().getEnvironment();
containerIdAtContainerManager =
env.get(ApplicationConstants.AM_CONTAINER_ID_ENV);
ContainerId containerId =
ConverterUtils.toContainerId(containerIdAtContainerManager);
attemptIdAtContainerManager =
containerId.getApplicationAttemptId().toString();
nmHostAtContainerManager = env.get(ApplicationConstants.NM_HOST_ENV);
nmPortAtContainerManager =
Integer.parseInt(env.get(ApplicationConstants.NM_PORT_ENV));
nmHttpPortAtContainerManager =
Integer.parseInt(env.get(ApplicationConstants.NM_HTTP_PORT_ENV));
submitTimeAtContainerManager =
Long.parseLong(env.get(ApplicationConstants.APP_SUBMIT_TIME_ENV));
return null;
}
@Override
public StopContainerResponse stopContainer(StopContainerRequest request)
throws YarnRemoteException {
LOG.info("Container cleaned up by MyContainerManager");
cleanedup = true;
return null;
}
@Override
public GetContainerStatusResponse getContainerStatus(
GetContainerStatusRequest request) throws YarnRemoteException {
return null;
}
}
static class MockRMWithCustomAMLauncher extends MockRM {
private final ContainerManager containerManager;
public MockRMWithCustomAMLauncher(ContainerManager containerManager) {
this(new Configuration(), containerManager);
}
public MockRMWithCustomAMLauncher(Configuration conf,
ContainerManager containerManager) {
super(conf);
this.containerManager = containerManager;
}
@Override
protected ApplicationMasterLauncher createAMLauncher() {
return new ApplicationMasterLauncher(getRMContext()) {
@Override
protected Runnable createRunnableLauncher(RMAppAttempt application,
AMLauncherEventType event) {
return new AMLauncher(context, application, event, getConfig()) {
@Override
protected ContainerManager getContainerMgrProxy(
ContainerId containerId) {
return containerManager;
}
};
}
};
}
}
@Test
public void testAMLaunchAndCleanup() throws Exception {
Logger rootLogger = LogManager.getRootLogger();
rootLogger.setLevel(Level.DEBUG);
MyContainerManagerImpl containerManager = new MyContainerManagerImpl();
MockRMWithCustomAMLauncher rm = new MockRMWithCustomAMLauncher(
containerManager);
rm.start();
MockNM nm1 = rm.registerNode("h1:1234", 5120);
RMApp app = rm.submitApp(2000);
// kick the scheduling
nm1.nodeHeartbeat(true);
int waitCount = 0;
while (containerManager.launched == false && waitCount++ < 20) {
LOG.info("Waiting for AM Launch to happen..");
Thread.sleep(1000);
}
Assert.assertTrue(containerManager.launched);
RMAppAttempt attempt = app.getCurrentAppAttempt();
ApplicationAttemptId appAttemptId = attempt.getAppAttemptId();
Assert.assertEquals(appAttemptId.toString(),
containerManager.attemptIdAtContainerManager);
Assert.assertEquals(app.getSubmitTime(),
containerManager.submitTimeAtContainerManager);
Assert.assertEquals(app.getRMAppAttempt(appAttemptId)
.getSubmissionContext().getAMContainerSpec().getContainerId()
.toString(), containerManager.containerIdAtContainerManager);
Assert.assertEquals(nm1.getNodeId().getHost(),
containerManager.nmHostAtContainerManager);
Assert.assertEquals(nm1.getNodeId().getPort(),
containerManager.nmPortAtContainerManager);
Assert.assertEquals(nm1.getHttpPort(),
containerManager.nmHttpPortAtContainerManager);
MockAM am = new MockAM(rm.getRMContext(), rm
.getApplicationMasterService(), appAttemptId);
am.registerAppAttempt();
am.unregisterAppAttempt();
waitCount = 0;
while (containerManager.cleanedup == false && waitCount++ < 20) {
LOG.info("Waiting for AM Cleanup to happen..");
Thread.sleep(1000);
}
Assert.assertTrue(containerManager.cleanedup);
am.waitForState(RMAppAttemptState.FINISHED);
rm.stop();
}
}