| /** |
| * 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.net.InetSocketAddress; |
| import java.util.List; |
| |
| import junit.framework.Assert; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.yarn.api.ClientRMProtocol; |
| import org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodesRequest; |
| import org.apache.hadoop.yarn.api.records.NodeReport; |
| import org.apache.hadoop.yarn.ipc.YarnRPC; |
| import org.apache.hadoop.yarn.util.Records; |
| import org.junit.Test; |
| |
| public class TestClientRMService { |
| |
| private static final Log LOG = LogFactory.getLog(TestClientRMService.class); |
| |
| @Test |
| public void testGetClusterNodes() throws Exception { |
| MockRM rm = new MockRM() { |
| protected ClientRMService createClientRMService() { |
| return new ClientRMService(this.rmContext, scheduler, |
| this.rmAppManager, this.applicationACLsManager, |
| this.rmDTSecretManager); |
| }; |
| }; |
| rm.start(); |
| |
| // Add a healthy node |
| MockNM node = rm.registerNode("host:1234", 1024); |
| node.nodeHeartbeat(true); |
| |
| // Create a client. |
| Configuration conf = new Configuration(); |
| YarnRPC rpc = YarnRPC.create(conf); |
| InetSocketAddress rmAddress = rm.getClientRMService().getBindAddress(); |
| LOG.info("Connecting to ResourceManager at " + rmAddress); |
| ClientRMProtocol client = |
| (ClientRMProtocol) rpc |
| .getProxy(ClientRMProtocol.class, rmAddress, conf); |
| |
| // Make call |
| GetClusterNodesRequest request = |
| Records.newRecord(GetClusterNodesRequest.class); |
| List<NodeReport> nodeReports = |
| client.getClusterNodes(request).getNodeReports(); |
| Assert.assertEquals(1, nodeReports.size()); |
| Assert.assertTrue("Node is expected to be healthy!", nodeReports.get(0) |
| .getNodeHealthStatus().getIsNodeHealthy()); |
| |
| // Now make the node unhealthy. |
| node.nodeHeartbeat(false); |
| |
| // Call again |
| nodeReports = client.getClusterNodes(request).getNodeReports(); |
| Assert.assertEquals(1, nodeReports.size()); |
| Assert.assertFalse("Node is expected to be unhealthy!", nodeReports.get(0) |
| .getNodeHealthStatus().getIsNodeHealthy()); |
| } |
| } |