| /** |
| * 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.tools; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.Matchers.eq; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| import java.io.IOException; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.util.Iterator; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.FileSystemTestHelper; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hdfs.DistributedFileSystem; |
| import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier; |
| import org.apache.hadoop.hdfs.tools.DelegationTokenFetcher; |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.security.Credentials; |
| import org.apache.hadoop.security.token.Token; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.invocation.InvocationOnMock; |
| import org.mockito.stubbing.Answer; |
| import static org.mockito.Matchers.*; |
| |
| public class TestDelegationTokenFetcher { |
| private DistributedFileSystem dfs; |
| private Configuration conf; |
| private URI uri; |
| private static final String SERVICE_VALUE = "localhost:2005"; |
| private static String tokenFile = "file.dta"; |
| |
| @Before |
| public void init() throws URISyntaxException, IOException { |
| dfs = mock(DistributedFileSystem.class); |
| conf = new Configuration(); |
| uri = new URI("hdfs://" + SERVICE_VALUE); |
| FileSystemTestHelper.addFileSystemForTesting(uri, conf, dfs); |
| } |
| |
| /** |
| * Verify that when the DelegationTokenFetcher runs, it talks to the Namenode, |
| * pulls out the correct user's token and successfully serializes it to disk. |
| */ |
| @SuppressWarnings("deprecation") |
| @Test |
| public void expectedTokenIsRetrievedFromDFS() throws Exception { |
| final byte[] ident = new DelegationTokenIdentifier(new Text("owner"), |
| new Text("renewer"), new Text("realuser")).getBytes(); |
| final byte[] pw = new byte[] { 42 }; |
| final Text service = new Text(uri.toString()); |
| |
| // Create a token for the fetcher to fetch, wire NN to return it when asked |
| // for this particular user. |
| final Token<DelegationTokenIdentifier> t = |
| new Token<DelegationTokenIdentifier>(ident, pw, FakeRenewer.KIND, service); |
| when(dfs.addDelegationTokens(eq((String) null), any(Credentials.class))).thenAnswer( |
| new Answer<Token<?>[]>() { |
| @Override |
| public Token<?>[] answer(InvocationOnMock invocation) { |
| Credentials creds = (Credentials)invocation.getArguments()[1]; |
| creds.addToken(service, t); |
| return new Token<?>[]{t}; |
| } |
| }); |
| when(dfs.renewDelegationToken(eq(t))).thenReturn(1000L); |
| when(dfs.getUri()).thenReturn(uri); |
| FakeRenewer.reset(); |
| |
| FileSystem fileSys = FileSystem.getLocal(conf); |
| try { |
| DelegationTokenFetcher.main(new String[] { "-fs", uri.toString(), |
| tokenFile }); |
| Path p = new Path(fileSys.getWorkingDirectory(), tokenFile); |
| Credentials creds = Credentials.readTokenStorageFile(p, conf); |
| Iterator<Token<?>> itr = creds.getAllTokens().iterator(); |
| // make sure we got back exactly the 1 token we expected |
| assertTrue(itr.hasNext()); |
| assertEquals(t, itr.next()); |
| assertTrue(!itr.hasNext()); |
| |
| DelegationTokenFetcher.main(new String[] { "--print", tokenFile }); |
| DelegationTokenFetcher.main(new String[] { "--renew", tokenFile }); |
| assertEquals(t, FakeRenewer.lastRenewed); |
| FakeRenewer.reset(); |
| |
| DelegationTokenFetcher.main(new String[] { "--cancel", tokenFile }); |
| assertEquals(t, FakeRenewer.lastCanceled); |
| } finally { |
| fileSys.delete(new Path(tokenFile), true); |
| } |
| } |
| } |