| /** |
| * 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.nodemanager; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.yarn.event.Dispatcher; |
| import org.apache.hadoop.yarn.exceptions.YarnRemoteException; |
| import org.apache.hadoop.yarn.factories.RecordFactory; |
| import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider; |
| import org.apache.hadoop.yarn.server.api.ResourceTracker; |
| import org.apache.hadoop.yarn.server.api.protocolrecords.NodeHeartbeatRequest; |
| import org.apache.hadoop.yarn.server.api.protocolrecords.NodeHeartbeatResponse; |
| import org.apache.hadoop.yarn.server.api.protocolrecords.RegisterNodeManagerRequest; |
| import org.apache.hadoop.yarn.server.api.protocolrecords.RegisterNodeManagerResponse; |
| import org.apache.hadoop.yarn.server.api.records.HeartbeatResponse; |
| import org.apache.hadoop.yarn.server.api.records.NodeStatus; |
| import org.apache.hadoop.yarn.server.api.records.RegistrationResponse; |
| import org.apache.hadoop.yarn.server.nodemanager.metrics.NodeManagerMetrics; |
| |
| /** |
| * This class allows a node manager to run without without communicating with a |
| * real RM. |
| */ |
| public class MockNodeStatusUpdater extends NodeStatusUpdaterImpl { |
| static final Log LOG = LogFactory.getLog(MockNodeStatusUpdater.class); |
| |
| private static final RecordFactory recordFactory = RecordFactoryProvider |
| .getRecordFactory(null); |
| |
| private ResourceTracker resourceTracker; |
| |
| public MockNodeStatusUpdater(Context context, Dispatcher dispatcher, |
| NodeHealthCheckerService healthChecker, NodeManagerMetrics metrics) { |
| super(context, dispatcher, healthChecker, metrics); |
| resourceTracker = new MockResourceTracker(); |
| } |
| |
| @Override |
| protected ResourceTracker getRMClient() { |
| return resourceTracker; |
| } |
| |
| private static class MockResourceTracker implements ResourceTracker { |
| private int heartBeatID; |
| |
| @Override |
| public RegisterNodeManagerResponse registerNodeManager( |
| RegisterNodeManagerRequest request) throws YarnRemoteException { |
| RegistrationResponse regResponse = recordFactory |
| .newRecordInstance(RegistrationResponse.class); |
| |
| RegisterNodeManagerResponse response = recordFactory |
| .newRecordInstance(RegisterNodeManagerResponse.class); |
| response.setRegistrationResponse(regResponse); |
| return response; |
| } |
| |
| @Override |
| public NodeHeartbeatResponse nodeHeartbeat(NodeHeartbeatRequest request) |
| throws YarnRemoteException { |
| NodeStatus nodeStatus = request.getNodeStatus(); |
| LOG.info("Got heartbeat number " + heartBeatID); |
| nodeStatus.setResponseId(heartBeatID++); |
| |
| HeartbeatResponse response = recordFactory |
| .newRecordInstance(HeartbeatResponse.class); |
| response.setResponseId(heartBeatID); |
| |
| NodeHeartbeatResponse nhResponse = recordFactory |
| .newRecordInstance(NodeHeartbeatResponse.class); |
| nhResponse.setHeartbeatResponse(response); |
| return nhResponse; |
| } |
| } |
| } |