| /** |
| * 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.federation.router; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FSDataOutputStream; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hdfs.DistributedFileSystem; |
| import org.apache.hadoop.hdfs.protocol.HdfsFileStatus; |
| import org.apache.hadoop.hdfs.server.federation.MiniRouterDFSCluster; |
| import org.apache.hadoop.hdfs.server.federation.MockResolver; |
| import org.apache.hadoop.hdfs.server.federation.RouterConfigBuilder; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| /** |
| * Testing DFSClient renewLease with same INodeId. |
| */ |
| public class TestRenewLeaseWithSameINodeId { |
| |
| /** Federated HDFS cluster. */ |
| private static MiniRouterDFSCluster cluster; |
| |
| /** The first Router Context for this federated cluster. */ |
| private static MiniRouterDFSCluster.RouterContext routerContext; |
| |
| @BeforeClass |
| public static void globalSetUp() throws Exception { |
| cluster = new MiniRouterDFSCluster(false, 2); |
| cluster.setNumDatanodesPerNameservice(3); |
| cluster.startCluster(); |
| |
| Configuration routerConf = new RouterConfigBuilder() |
| .metrics() |
| .rpc() |
| .quota() |
| .build(); |
| cluster.addRouterOverrides(routerConf); |
| cluster.startRouters(); |
| |
| // Register and verify all NNs with all routers |
| cluster.registerNamenodes(); |
| cluster.waitNamenodeRegistration(); |
| |
| routerContext = cluster.getRouters().get(0); |
| } |
| |
| @AfterClass |
| public static void tearDown() throws Exception { |
| cluster.shutdown(); |
| } |
| |
| /** |
| * Testing case: |
| * 1. One Router DFSClient writing multi files from different namespace with same iNodeId. |
| * 2. DFSClient Lease Renewer should work well. |
| */ |
| @Test |
| public void testRenewLeaseWithSameINodeId() throws IOException { |
| // Add mount point "/ns0" and "/ns1" |
| Router router = cluster.getRouters().get(0).getRouter(); |
| MockResolver resolver = (MockResolver) router.getSubclusterResolver(); |
| resolver.addLocation("/ns0", cluster.getNameservices().get(0), "/ns0"); |
| resolver.addLocation("/ns1", cluster.getNameservices().get(1), "/ns1"); |
| |
| DistributedFileSystem fs = (DistributedFileSystem) routerContext.getFileSystem(); |
| |
| Path path1 = new Path("/ns0/file"); |
| Path path2 = new Path("/ns1/file"); |
| |
| try (FSDataOutputStream ignored1 = fs.create(path1); |
| FSDataOutputStream ignored2 = fs.create(path2)) { |
| HdfsFileStatus fileStatus1 = fs.getClient().getFileInfo(path1.toUri().getPath()); |
| HdfsFileStatus fileStatus2 = fs.getClient().getFileInfo(path2.toUri().getPath()); |
| |
| // The fileId of the files from different new namespaces should be same. |
| assertEquals(fileStatus2.getFileId(), fileStatus1.getFileId()); |
| |
| // The number of fileBeingWritten of this DFSClient should be two. |
| assertEquals(2, fs.getClient().getNumOfFilesBeingWritten()); |
| } |
| |
| // The number of fileBeingWritten of this DFSClient should be zero. |
| assertEquals(0, fs.getClient().getNumOfFilesBeingWritten()); |
| } |
| } |