/**
* 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.
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package org.apache.hadoop.yarn.server.resourcemanager.resourcetracker;
import org.junit.Assert;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.api.records.NodeId;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.event.Dispatcher;
import org.apache.hadoop.yarn.event.EventHandler;
import org.apache.hadoop.yarn.event.InlineDispatcher;
import org.apache.hadoop.yarn.factories.RecordFactory;
import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
import org.apache.hadoop.yarn.server.api.protocolrecords.RegisterNodeManagerRequest;
import org.apache.hadoop.yarn.server.resourcemanager.NMLivelinessMonitor;
import org.apache.hadoop.yarn.server.resourcemanager.NodesListManager;
import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
import org.apache.hadoop.yarn.server.resourcemanager.RMContextImpl;
import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.NodeEventDispatcher;
import org.apache.hadoop.yarn.server.resourcemanager.ResourceTrackerService;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeEvent;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeEventType;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEventType;
import org.apache.hadoop.yarn.server.resourcemanager.security.NMTokenSecretManagerInRM;
import org.apache.hadoop.yarn.server.resourcemanager.security.RMContainerTokenSecretManager;
import org.apache.hadoop.yarn.server.utils.BuilderUtils;
import org.junit.Before;
import org.junit.Test;
public class TestNMReconnect {
private static final RecordFactory recordFactory =
RecordFactoryProvider.getRecordFactory(null);
private RMNodeEvent rmNodeEvent = null;
private class TestRMNodeEventDispatcher implements
EventHandler<RMNodeEvent> {
@Override
public void handle(RMNodeEvent event) {
rmNodeEvent = event;
}
}
ResourceTrackerService resourceTrackerService;
@Before
public void setUp() {
Configuration conf = new Configuration();
// Dispatcher that processes events inline
Dispatcher dispatcher = new InlineDispatcher();
dispatcher.register(RMNodeEventType.class,
new TestRMNodeEventDispatcher());
RMContext context = new RMContextImpl(dispatcher, null,
null, null, null, null, null, null, null, null);
dispatcher.register(SchedulerEventType.class,
new InlineDispatcher.EmptyEventHandler());
dispatcher.register(RMNodeEventType.class,
new NodeEventDispatcher(context));
NMLivelinessMonitor nmLivelinessMonitor = new NMLivelinessMonitor(
dispatcher);
nmLivelinessMonitor.init(conf);
nmLivelinessMonitor.start();
NodesListManager nodesListManager = new NodesListManager(context);
nodesListManager.init(conf);
RMContainerTokenSecretManager containerTokenSecretManager =
new RMContainerTokenSecretManager(conf);
containerTokenSecretManager.start();
NMTokenSecretManagerInRM nmTokenSecretManager =
new NMTokenSecretManagerInRM(conf);
nmTokenSecretManager.start();
resourceTrackerService = new ResourceTrackerService(context,
nodesListManager, nmLivelinessMonitor, containerTokenSecretManager,
nmTokenSecretManager);
resourceTrackerService.init(conf);
resourceTrackerService.start();
}
@Test
public void testReconnect() throws Exception {
String hostname1 = "localhost1";
Resource capability = BuilderUtils.newResource(1024, 1);
RegisterNodeManagerRequest request1 = recordFactory
.newRecordInstance(RegisterNodeManagerRequest.class);
NodeId nodeId1 = NodeId.newInstance(hostname1, 0);
request1.setNodeId(nodeId1);
request1.setHttpPort(0);
request1.setResource(capability);
resourceTrackerService.registerNodeManager(request1);
Assert.assertEquals(RMNodeEventType.STARTED, rmNodeEvent.getType());
rmNodeEvent = null;
resourceTrackerService.registerNodeManager(request1);
Assert.assertEquals(RMNodeEventType.RECONNECTED, rmNodeEvent.getType());
rmNodeEvent = null;
resourceTrackerService.registerNodeManager(request1);
capability = BuilderUtils.newResource(1024, 2);
request1.setResource(capability);
Assert.assertEquals(RMNodeEventType.RECONNECTED, rmNodeEvent.getType());
}
}