| /** |
| * 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.server.namenode; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.FileUtil; |
| import org.apache.hadoop.hdfs.DFSConfigKeys; |
| import org.apache.hadoop.hdfs.DFSTestUtil; |
| import org.apache.hadoop.hdfs.HdfsConfiguration; |
| import org.apache.hadoop.hdfs.MiniDFSCluster; |
| import org.apache.hadoop.test.GenericTestUtils; |
| import org.junit.After; |
| import org.junit.Test; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.BindException; |
| import java.util.Random; |
| |
| /** |
| * This class tests the validation of the configuration object when passed |
| * to the NameNode |
| */ |
| public class TestValidateConfigurationSettings { |
| |
| @After |
| public void cleanUp() { |
| FileUtil.fullyDeleteContents(new File(MiniDFSCluster.getBaseDirectory())); |
| } |
| |
| /** |
| * Tests setting the rpc port to the same as the web port to test that |
| * an exception |
| * is thrown when trying to re-use the same port |
| */ |
| @Test(expected = BindException.class, timeout = 300000) |
| public void testThatMatchingRPCandHttpPortsThrowException() |
| throws IOException { |
| |
| NameNode nameNode = null; |
| try { |
| Configuration conf = new HdfsConfiguration(); |
| File nameDir = new File(MiniDFSCluster.getBaseDirectory(), "name"); |
| conf.set(DFSConfigKeys.DFS_NAMENODE_NAME_DIR_KEY, |
| nameDir.getAbsolutePath()); |
| |
| Random rand = new Random(); |
| final int port = 30000 + rand.nextInt(30000); |
| |
| // set both of these to the same port. It should fail. |
| FileSystem.setDefaultUri(conf, "hdfs://localhost:" + port); |
| conf.set(DFSConfigKeys.DFS_NAMENODE_HTTP_ADDRESS_KEY, "127.0.0.1:" + port); |
| DFSTestUtil.formatNameNode(conf); |
| nameNode = new NameNode(conf); |
| } finally { |
| if (nameNode != null) { |
| nameNode.stop(); |
| } |
| } |
| } |
| |
| /** |
| * Tests setting the rpc port to a different as the web port that an |
| * exception is NOT thrown |
| */ |
| @Test(timeout = 300000) |
| public void testThatDifferentRPCandHttpPortsAreOK() |
| throws IOException { |
| |
| Configuration conf = new HdfsConfiguration(); |
| File nameDir = new File(MiniDFSCluster.getBaseDirectory(), "name"); |
| conf.set(DFSConfigKeys.DFS_NAMENODE_NAME_DIR_KEY, |
| nameDir.getAbsolutePath()); |
| |
| Random rand = new Random(); |
| |
| // A few retries in case the ports we choose are in use. |
| for (int i = 0; i < 5; ++i) { |
| final int port1 = 30000 + rand.nextInt(10000); |
| final int port2 = port1 + 1 + rand.nextInt(10000); |
| |
| FileSystem.setDefaultUri(conf, "hdfs://localhost:" + port1); |
| conf.set(DFSConfigKeys.DFS_NAMENODE_HTTP_ADDRESS_KEY, "127.0.0.1:" + port2); |
| DFSTestUtil.formatNameNode(conf); |
| NameNode nameNode = null; |
| |
| try { |
| nameNode = new NameNode(conf); // should be OK! |
| break; |
| } catch(BindException be) { |
| continue; // Port in use? Try another. |
| } finally { |
| if (nameNode != null) { |
| nameNode.stop(); |
| } |
| } |
| } |
| } |
| |
| /** |
| * HDFS-3013: NameNode format command doesn't pick up |
| * dfs.namenode.name.dir.NameServiceId configuration. |
| */ |
| @Test(timeout = 300000) |
| public void testGenericKeysForNameNodeFormat() |
| throws IOException { |
| Configuration conf = new HdfsConfiguration(); |
| |
| // Set ephemeral ports |
| conf.set(DFSConfigKeys.DFS_NAMENODE_RPC_ADDRESS_KEY, |
| "127.0.0.1:0"); |
| conf.set(DFSConfigKeys.DFS_NAMENODE_HTTP_ADDRESS_KEY, |
| "127.0.0.1:0"); |
| |
| conf.set(DFSConfigKeys.DFS_NAMESERVICES, "ns1"); |
| |
| // Set a nameservice-specific configuration for name dir |
| File dir = new File(MiniDFSCluster.getBaseDirectory(), |
| "testGenericKeysForNameNodeFormat"); |
| if (dir.exists()) { |
| FileUtil.fullyDelete(dir); |
| } |
| conf.set(DFSConfigKeys.DFS_NAMENODE_NAME_DIR_KEY + ".ns1", |
| dir.getAbsolutePath()); |
| |
| // Format and verify the right dir is formatted. |
| DFSTestUtil.formatNameNode(conf); |
| GenericTestUtils.assertExists(dir); |
| |
| // Ensure that the same dir is picked up by the running NN |
| NameNode nameNode = new NameNode(conf); |
| nameNode.stop(); |
| } |
| } |