| /** |
| * 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.fs.viewfs; |
| |
| import java.io.IOException; |
| import java.net.URISyntaxException; |
| |
| import javax.security.auth.login.LoginException; |
| |
| import org.apache.hadoop.fs.FileContext; |
| import org.apache.hadoop.fs.FileStatus; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.RemoteIterator; |
| import org.apache.hadoop.hdfs.DFSConfigKeys; |
| import org.apache.hadoop.hdfs.HdfsConfiguration; |
| import org.apache.hadoop.hdfs.MiniDFSCluster; |
| import org.junit.AfterClass; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| |
| /** |
| * Make sure that ViewFs works when the root of an FS is mounted to a ViewFs |
| * mount point. |
| */ |
| public class TestViewFsAtHdfsRoot extends ViewFsBaseTest { |
| |
| private static MiniDFSCluster cluster; |
| private static HdfsConfiguration CONF = new HdfsConfiguration(); |
| private static FileContext fc; |
| |
| @BeforeClass |
| public static void clusterSetupAtBegining() throws IOException, |
| LoginException, URISyntaxException { |
| SupportsBlocks = true; |
| CONF.setBoolean( |
| DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_ALWAYS_USE_KEY, true); |
| |
| cluster = new MiniDFSCluster.Builder(CONF).numDataNodes(2).build(); |
| cluster.waitClusterUp(); |
| fc = FileContext.getFileContext(cluster.getURI(0), CONF); |
| } |
| |
| |
| @AfterClass |
| public static void ClusterShutdownAtEnd() throws Exception { |
| cluster.shutdown(); |
| } |
| |
| @Override |
| @Before |
| public void setUp() throws Exception { |
| // create the test root on local_fs |
| fcTarget = fc; |
| super.setUp(); |
| } |
| |
| /** |
| * Override this so that we don't set the targetTestRoot to any path under the |
| * root of the FS, and so that we don't try to delete the test dir, but rather |
| * only its contents. |
| */ |
| @Override |
| void initializeTargetTestRoot() throws IOException { |
| targetTestRoot = fc.makeQualified(new Path("/")); |
| RemoteIterator<FileStatus> dirContents = fc.listStatus(targetTestRoot); |
| while (dirContents.hasNext()) { |
| fc.delete(dirContents.next().getPath(), true); |
| } |
| } |
| |
| /** |
| * This overrides the default implementation since hdfs does have delegation |
| * tokens. |
| */ |
| @Override |
| int getExpectedDelegationTokenCount() { |
| return 8; |
| } |
| } |