/**
* 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.ArrayList;
import java.util.List;
import junit.framework.Assert;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationResponse;
import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.ResourceRequest;
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.log4j.Level;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import org.junit.Test;
public class TestRM {
private static final Log LOG = LogFactory.getLog(TestRM.class);
@Test
public void testGetNewAppId() throws Exception {
Logger rootLogger = LogManager.getRootLogger();
rootLogger.setLevel(Level.DEBUG);
MockRM rm = new MockRM();
rm.start();
GetNewApplicationResponse resp = rm.getNewAppId();
assert (resp.getApplicationId().getId() != 0);
assert (resp.getMinimumResourceCapability().getMemory() > 0);
assert (resp.getMaximumResourceCapability().getMemory() > 0);
rm.stop();
}
@Test
public void testAppWithNoContainers() throws Exception {
Logger rootLogger = LogManager.getRootLogger();
rootLogger.setLevel(Level.DEBUG);
MockRM rm = new MockRM();
rm.start();
MockNM nm1 = rm.registerNode("h1:1234", 5120);
RMApp app = rm.submitApp(2000);
//kick the scheduling
nm1.nodeHeartbeat(true);
RMAppAttempt attempt = app.getCurrentAppAttempt();
MockAM am = rm.sendAMLaunched(attempt.getAppAttemptId());
am.registerAppAttempt();
am.unregisterAppAttempt();
am.waitForState(RMAppAttemptState.FINISHED);
rm.stop();
}
@Test
public void testAppOnMultiNode() throws Exception {
Logger rootLogger = LogManager.getRootLogger();
rootLogger.setLevel(Level.DEBUG);
MockRM rm = new MockRM();
rm.start();
MockNM nm1 = rm.registerNode("h1:1234", 5120);
MockNM nm2 = rm.registerNode("h2:5678", 10240);
RMApp app = rm.submitApp(2000);
//kick the scheduling
nm1.nodeHeartbeat(true);
RMAppAttempt attempt = app.getCurrentAppAttempt();
MockAM am = rm.sendAMLaunched(attempt.getAppAttemptId());
am.registerAppAttempt();
//request for containers
int request = 13;
am.allocate("h1" , 1000, request, new ArrayList<ContainerId>());
//kick the scheduler
nm1.nodeHeartbeat(true);
List<Container> conts = am.allocate(new ArrayList<ResourceRequest>(),
new ArrayList<ContainerId>()).getAllocatedContainers();
int contReceived = conts.size();
while (contReceived < 3) {//only 3 containers are available on node1
conts.addAll(am.allocate(new ArrayList<ResourceRequest>(),
new ArrayList<ContainerId>()).getAllocatedContainers());
contReceived = conts.size();
LOG.info("Got " + contReceived + " containers. Waiting to get " + 3);
Thread.sleep(2000);
}
Assert.assertEquals(3, conts.size());
//send node2 heartbeat
nm2.nodeHeartbeat(true);
conts = am.allocate(new ArrayList<ResourceRequest>(),
new ArrayList<ContainerId>()).getAllocatedContainers();
contReceived = conts.size();
while (contReceived < 10) {
conts.addAll(am.allocate(new ArrayList<ResourceRequest>(),
new ArrayList<ContainerId>()).getAllocatedContainers());
contReceived = conts.size();
LOG.info("Got " + contReceived + " containers. Waiting to get " + 10);
Thread.sleep(2000);
}
Assert.assertEquals(10, conts.size());
am.unregisterAppAttempt();
am.waitForState(RMAppAttemptState.FINISHED);
rm.stop();
}
public static void main(String[] args) throws Exception {
TestRM t = new TestRM();
t.testGetNewAppId();
t.testAppWithNoContainers();
t.testAppOnMultiNode();
}
}