/**
* 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.applicationsmanager;
import java.security.PrivilegedExceptionAction;
import org.junit.Assert;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest;
import org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse;
import org.apache.hadoop.yarn.api.records.AMCommand;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.security.AMRMTokenIdentifier;
import org.apache.hadoop.yarn.server.resourcemanager.ApplicationMasterService;
import org.apache.hadoop.yarn.server.resourcemanager.MockAM;
import org.apache.hadoop.yarn.server.resourcemanager.MockNM;
import org.apache.hadoop.yarn.server.resourcemanager.MockRM;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class TestAMRMRPCResponseId {
private MockRM rm;
ApplicationMasterService amService = null;
@Before
public void setUp() {
this.rm = new MockRM();
rm.start();
amService = rm.getApplicationMasterService();
}
@After
public void tearDown() {
if (rm != null) {
this.rm.stop();
}
}
private AllocateResponse allocate(ApplicationAttemptId attemptId,
final AllocateRequest req) throws Exception {
UserGroupInformation ugi =
UserGroupInformation.createRemoteUser(attemptId.toString());
org.apache.hadoop.security.token.Token<AMRMTokenIdentifier> token =
rm.getRMContext().getRMApps().get(attemptId.getApplicationId())
.getRMAppAttempt(attemptId).getAMRMToken();
ugi.addTokenIdentifier(token.decodeIdentifier());
return ugi.doAs(new PrivilegedExceptionAction<AllocateResponse>() {
@Override
public AllocateResponse run() throws Exception {
return amService.allocate(req);
}
});
}
@Test
public void testARRMResponseId() throws Exception {
MockNM nm1 = rm.registerNode("h1:1234", 5000);
RMApp app = rm.submitApp(2000);
// Trigger the scheduling so the AM gets 'launched'
nm1.nodeHeartbeat(true);
RMAppAttempt attempt = app.getCurrentAppAttempt();
MockAM am = rm.sendAMLaunched(attempt.getAppAttemptId());
am.registerAppAttempt();
AllocateRequest allocateRequest =
AllocateRequest.newInstance(0, 0F, null, null, null);
AllocateResponse response =
allocate(attempt.getAppAttemptId(), allocateRequest);
Assert.assertEquals(1, response.getResponseId());
Assert.assertTrue(response.getAMCommand() == null);
allocateRequest =
AllocateRequest.newInstance(response.getResponseId(), 0F, null, null,
null);
response = allocate(attempt.getAppAttemptId(), allocateRequest);
Assert.assertEquals(2, response.getResponseId());
/* try resending */
response = allocate(attempt.getAppAttemptId(), allocateRequest);
Assert.assertEquals(2, response.getResponseId());
/** try sending old request again **/
allocateRequest = AllocateRequest.newInstance(0, 0F, null, null, null);
response = allocate(attempt.getAppAttemptId(), allocateRequest);
Assert.assertTrue(response.getAMCommand() == AMCommand.AM_RESYNC);
}
}