| /** |
| * 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.hdfs; |
| |
| import java.net.InetSocketAddress; |
| import java.net.URI; |
| import java.util.Set; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hdfs.server.namenode.NameNode; |
| import org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer; |
| import org.junit.Test; |
| |
| import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_HA_NAMENODES_KEY_PREFIX; |
| import static org.apache.hadoop.hdfs.client.HdfsClientConfigKeys.DFS_NAMENODE_RPC_ADDRESS_AUXILIARY_KEY; |
| import static org.apache.hadoop.hdfs.client.HdfsClientConfigKeys.DFS_NAMESERVICES; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| |
| /** |
| * Test NN auxiliary port with HA. |
| */ |
| public class TestHAAuxiliaryPort { |
| @Test |
| public void testHAAuxiliaryPort() throws Exception { |
| Configuration conf = new Configuration(); |
| conf.set(DFS_NAMENODE_RPC_ADDRESS_AUXILIARY_KEY, "0,0"); |
| conf.set(DFS_NAMENODE_RPC_ADDRESS_AUXILIARY_KEY + ".ha-nn-uri-0.nn1", |
| "9000,9001"); |
| conf.set(DFS_NAMENODE_RPC_ADDRESS_AUXILIARY_KEY + ".ha-nn-uri-0.nn2", |
| "9000,9001"); |
| conf.set(DFS_NAMESERVICES, "ha-nn-uri-0"); |
| conf.set(DFS_HA_NAMENODES_KEY_PREFIX + ".ha-nn-uri-0", "nn1,nn2"); |
| conf.setBoolean("fs.hdfs.impl.disable.cache", true); |
| |
| MiniDFSNNTopology topology = new MiniDFSNNTopology() |
| .addNameservice(new MiniDFSNNTopology.NSConf("ha-nn-uri-0") |
| .addNN(new MiniDFSNNTopology.NNConf("nn1")) |
| .addNN(new MiniDFSNNTopology.NNConf("nn2"))); |
| |
| MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf) |
| .nnTopology(topology) |
| .numDataNodes(0) |
| .build(); |
| cluster.transitionToActive(0); |
| cluster.waitActive(); |
| |
| NameNode nn0 = cluster.getNameNode(0); |
| NameNode nn1 = cluster.getNameNode(1); |
| |
| // all the addresses below are valid nn0 addresses |
| NameNodeRpcServer rpcServer0 = (NameNodeRpcServer)nn0.getRpcServer(); |
| InetSocketAddress server0RpcAddress = rpcServer0.getRpcAddress(); |
| Set<InetSocketAddress> auxAddrServer0 = |
| rpcServer0.getAuxiliaryRpcAddresses(); |
| assertEquals(2, auxAddrServer0.size()); |
| |
| // all the addresses below are valid nn1 addresses |
| NameNodeRpcServer rpcServer1 = (NameNodeRpcServer)nn1.getRpcServer(); |
| InetSocketAddress server1RpcAddress = rpcServer1.getRpcAddress(); |
| Set<InetSocketAddress> auxAddrServer1 = |
| rpcServer1.getAuxiliaryRpcAddresses(); |
| assertEquals(2, auxAddrServer1.size()); |
| |
| // mkdir on nn0 uri 0 |
| URI nn0URI = new URI("hdfs://localhost:" + |
| server0RpcAddress.getPort()); |
| try (DFSClient client0 = new DFSClient(nn0URI, conf)){ |
| client0.mkdirs("/test", null, true); |
| // should be available on other ports also |
| for (InetSocketAddress auxAddr : auxAddrServer0) { |
| nn0URI = new URI("hdfs://localhost:" + auxAddr.getPort()); |
| try (DFSClient clientTmp = new DFSClient(nn0URI, conf)) { |
| assertTrue(clientTmp.exists("/test")); |
| } |
| } |
| } |
| |
| // now perform a failover |
| cluster.shutdownNameNode(0); |
| cluster.transitionToActive(1); |
| |
| // then try to read the file from the nn1 |
| URI nn1URI = new URI("hdfs://localhost:" + |
| server1RpcAddress.getPort()); |
| try (DFSClient client1 = new DFSClient(nn1URI, conf)) { |
| assertTrue(client1.exists("/test")); |
| // should be available on other ports also |
| for (InetSocketAddress auxAddr : auxAddrServer1) { |
| nn1URI = new URI("hdfs://localhost:" + auxAddr.getPort()); |
| try (DFSClient clientTmp = new DFSClient(nn1URI, conf)) { |
| assertTrue(client1.exists("/test")); |
| } |
| } |
| } |
| } |
| } |