| /** |
| * 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 org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler; |
| import org.junit.Assert; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.yarn.api.protocolrecords.SignalContainerRequest; |
| import org.apache.hadoop.yarn.api.records.Container; |
| import org.apache.hadoop.yarn.api.records.ContainerId; |
| import org.apache.hadoop.yarn.api.records.ContainerState; |
| import org.apache.hadoop.yarn.api.records.ResourceRequest; |
| import org.apache.hadoop.yarn.api.records.SignalContainerCommand; |
| import org.apache.hadoop.yarn.server.api.protocolrecords.NodeHeartbeatResponse; |
| 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 TestSignalContainer { |
| |
| private static final Log LOG = LogFactory |
| .getLog(TestSignalContainer.class); |
| |
| @Test |
| public void testSignalRequestDeliveryToNM() throws Exception { |
| Logger rootLogger = LogManager.getRootLogger(); |
| rootLogger.setLevel(Level.DEBUG); |
| MockRM rm = new MockRM(); |
| FairScheduler fs = null; |
| if (rm.getResourceScheduler().getClass() == FairScheduler.class) { |
| fs = (FairScheduler)rm.getResourceScheduler(); |
| } |
| rm.start(); |
| |
| MockNM nm1 = rm.registerNode("h1:1234", 5000); |
| |
| 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 |
| final int request = 2; |
| am.allocate("h1" , 1000, request, new ArrayList<ContainerId>()); |
| |
| //kick the scheduler |
| nm1.nodeHeartbeat(true); |
| List<Container> conts = new ArrayList<>(request); |
| int waitCount = 0; |
| while (conts.size() < request && waitCount++ < 200) { |
| LOG.info("Got " + conts.size() + " containers. Waiting to get " |
| + request); |
| Thread.sleep(100); |
| List<Container> allocation = am.allocate(new ArrayList<ResourceRequest>(), |
| new ArrayList<ContainerId>()).getAllocatedContainers(); |
| conts.addAll(allocation); |
| if (fs != null) { |
| nm1.nodeHeartbeat(true); |
| } |
| } |
| Assert.assertEquals(request, conts.size()); |
| |
| for(Container container : conts) { |
| rm.signalToContainer(container.getId(), |
| SignalContainerCommand.OUTPUT_THREAD_DUMP); |
| } |
| |
| NodeHeartbeatResponse resp; |
| List<SignalContainerRequest> contsToSignal; |
| int signaledConts = 0; |
| |
| waitCount = 0; |
| while ( signaledConts < request && waitCount++ < 200) { |
| LOG.info("Waiting to get signalcontainer events.. signaledConts: " |
| + signaledConts); |
| resp = nm1.nodeHeartbeat(true); |
| contsToSignal = resp.getContainersToSignalList(); |
| signaledConts += contsToSignal.size(); |
| Thread.sleep(100); |
| } |
| |
| // Verify NM receives the expected number of signal container requests. |
| Assert.assertEquals(request, signaledConts); |
| |
| am.unregisterAppAttempt(); |
| nm1.nodeHeartbeat(attempt.getAppAttemptId(), 1, ContainerState.COMPLETE); |
| rm.waitForState(am.getApplicationAttemptId(), RMAppAttemptState.FINISHED); |
| |
| rm.stop(); |
| } |
| } |