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From ji...@apache.org
Subject svn commit: r1541776 - in /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs: CHANGES.txt src/test/java/org/apache/hadoop/hdfs/web/TestTokenAspect.java
Date Thu, 14 Nov 2013 01:14:38 GMT
Author: jing9
Date: Thu Nov 14 01:14:38 2013
New Revision: 1541776

URL: http://svn.apache.org/r1541776
Log:
HDFS-5487. Introduce unit test for TokenAspect. Contributed by Haohui Mai.

Added:
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestTokenAspect.java
Modified:
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt?rev=1541776&r1=1541775&r2=1541776&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt Thu Nov 14 01:14:38 2013
@@ -487,6 +487,8 @@ Release 2.3.0 - UNRELEASED
     HDFS-5440. Extract the logic of handling delegation tokens in HftpFileSystem 
     to the TokenAspect class. (Haohui Mai via jing9)
 
+    HDFS-5487. Introduce unit test for TokenAspect. (Haohui Mai via jing9)
+
   OPTIMIZATIONS
 
     HDFS-5239.  Allow FSNamesystem lock fairness to be configurable (daryn)

Added: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestTokenAspect.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestTokenAspect.java?rev=1541776&view=auto
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestTokenAspect.java
(added)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestTokenAspect.java
Thu Nov 14 01:14:38 2013
@@ -0,0 +1,298 @@
+/**
+ * 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.web;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.DelegationTokenRenewer;
+import org.apache.hadoop.fs.FSDataInputStream;
+import org.apache.hadoop.fs.FSDataOutputStream;
+import org.apache.hadoop.fs.FileStatus;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.fs.permission.FsPermission;
+import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.security.SecurityUtilTestHelper;
+import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.hadoop.security.token.Token;
+import org.apache.hadoop.security.token.TokenIdentifier;
+import org.apache.hadoop.util.Progressable;
+import org.junit.Test;
+import org.mockito.Mockito;
+import org.mockito.internal.util.reflection.Whitebox;
+
+public class TestTokenAspect {
+
+  private static class DummyFs extends FileSystem implements
+      DelegationTokenRenewer.Renewable, TokenAspect.TokenManagementDelegator {
+
+    private static final Text TOKEN_KIND = new Text("DummyFS Token");
+    private boolean emulateSecurityEnabled;
+    private TokenAspect<DummyFs> tokenAspect;
+    private UserGroupInformation ugi = UserGroupInformation
+        .createUserForTesting("foo", new String[] { "bar" });
+    private URI uri;
+
+    @Override
+    public FSDataOutputStream append(Path f, int bufferSize,
+        Progressable progress) throws IOException {
+      return null;
+    }
+
+    @Override
+    public void cancelDelegationToken(Token<?> token) throws IOException {
+    }
+
+    @Override
+    public FSDataOutputStream create(Path f, FsPermission permission,
+        boolean overwrite, int bufferSize, short replication, long blockSize,
+        Progressable progress) throws IOException {
+      return null;
+    }
+
+    @Override
+    public boolean delete(Path f, boolean recursive) throws IOException {
+      return false;
+    }
+
+    @Override
+    public URI getCanonicalUri() {
+      return super.getCanonicalUri();
+    }
+
+    @Override
+    public FileStatus getFileStatus(Path f) throws IOException {
+      return null;
+    }
+
+    @Override
+    public Token<?> getRenewToken() {
+      return null;
+    }
+
+    @Override
+    public URI getUri() {
+      return uri;
+    }
+
+    @Override
+    public Path getWorkingDirectory() {
+      return null;
+    }
+
+    @Override
+    public void initialize(URI name, Configuration conf) throws IOException {
+      super.initialize(name, conf);
+      setConf(conf);
+      try {
+        this.uri = new URI(name.getScheme(), name.getAuthority(), null, null,
+            null);
+      } catch (URISyntaxException e) {
+        throw new IllegalArgumentException(e);
+      }
+
+      tokenAspect = new TokenAspect<DummyFs>(this, DummyFs.TOKEN_KIND);
+      if (emulateSecurityEnabled || UserGroupInformation.isSecurityEnabled()) {
+        tokenAspect.initDelegationToken(ugi);
+      }
+    }
+
+    @Override
+    public FileStatus[] listStatus(Path f) throws FileNotFoundException,
+        IOException {
+      return null;
+    }
+
+    @Override
+    public boolean mkdirs(Path f, FsPermission permission) throws IOException {
+      return false;
+    }
+
+    @Override
+    public FSDataInputStream open(Path f, int bufferSize) throws IOException {
+      return null;
+    }
+
+    @Override
+    public boolean rename(Path src, Path dst) throws IOException {
+      return false;
+    }
+
+    @Override
+    public long renewDelegationToken(Token<?> token) throws IOException {
+      return 0;
+    }
+
+    @Override
+    public <T extends TokenIdentifier> void setDelegationToken(Token<T> token)
{
+    }
+
+    @Override
+    public void setWorkingDirectory(Path new_dir) {
+    }
+  }
+
+  @Test
+  public void testGetRemoteToken() throws IOException, URISyntaxException {
+    Configuration conf = new Configuration();
+    UserGroupInformation.setConfiguration(conf);
+    DummyFs fs = spy(new DummyFs());
+    Token<TokenIdentifier> token = new Token<TokenIdentifier>(new byte[0],
+        new byte[0], DummyFs.TOKEN_KIND, new Text("127.0.0.1:1234"));
+
+    doReturn(token).when(fs).getDelegationToken(anyString());
+    fs.initialize(new URI("dummyfs://127.0.0.1:1234"), conf);
+
+    fs.tokenAspect.ensureTokenInitialized();
+
+    // Select a token, store and renew it
+    verify(fs).setDelegationToken(token);
+    assertNotNull(Whitebox.getInternalState(fs.tokenAspect, "dtRenewer"));
+    assertNotNull(Whitebox.getInternalState(fs.tokenAspect, "action"));
+  }
+
+  @Test
+  public void testGetRemoteTokenFailure() throws IOException,
+      URISyntaxException {
+    Configuration conf = new Configuration();
+    UserGroupInformation.setConfiguration(conf);
+    DummyFs fs = spy(new DummyFs());
+    IOException e = new IOException();
+    doThrow(e).when(fs).getDelegationToken(anyString());
+
+    fs.emulateSecurityEnabled = true;
+    fs.initialize(new URI("dummyfs://127.0.0.1:1234"), conf);
+    try {
+      fs.tokenAspect.ensureTokenInitialized();
+    } catch (IOException exc) {
+      assertEquals(e, exc);
+    }
+  }
+
+  @Test
+  public void testInitWithNoTokens() throws IOException, URISyntaxException {
+    Configuration conf = new Configuration();
+    UserGroupInformation.setConfiguration(conf);
+    DummyFs fs = spy(new DummyFs());
+    doReturn(null).when(fs).getDelegationToken(anyString());
+    fs.initialize(new URI("dummyfs://127.0.0.1:1234"), conf);
+
+    fs.tokenAspect.ensureTokenInitialized();
+
+    // No token will be selected.
+    verify(fs, never()).setDelegationToken(
+        Mockito.<Token<? extends TokenIdentifier>> any());
+  }
+
+  @Test
+  public void testInitWithUGIToken() throws IOException, URISyntaxException {
+    Configuration conf = new Configuration();
+    UserGroupInformation.setConfiguration(conf);
+    DummyFs fs = spy(new DummyFs());
+    doReturn(null).when(fs).getDelegationToken(anyString());
+
+    Token<TokenIdentifier> token = new Token<TokenIdentifier>(new byte[0],
+        new byte[0], DummyFs.TOKEN_KIND, new Text("127.0.0.1:1234"));
+    fs.ugi.addToken(token);
+    fs.ugi.addToken(new Token<TokenIdentifier>(new byte[0], new byte[0],
+        new Text("Other token"), new Text("127.0.0.1:8021")));
+    assertEquals("wrong tokens in user", 2, fs.ugi.getTokens().size());
+
+    fs.emulateSecurityEnabled = true;
+    fs.initialize(new URI("dummyfs://127.0.0.1:1234"), conf);
+    fs.tokenAspect.ensureTokenInitialized();
+
+    // Select a token from ugi (not from the remote host), store it but don't
+    // renew it
+    verify(fs).setDelegationToken(token);
+    verify(fs, never()).getDelegationToken(anyString());
+    assertNull(Whitebox.getInternalState(fs.tokenAspect, "dtRenewer"));
+    assertNull(Whitebox.getInternalState(fs.tokenAspect, "action"));
+  }
+
+  @Test
+  public void testTokenSelectionPreferences() throws IOException,
+      URISyntaxException {
+    Configuration conf = new Configuration();
+    DummyFs fs = spy(new DummyFs());
+    doReturn(null).when(fs).getDelegationToken(anyString());
+    fs.initialize(new URI("dummyfs://localhost:1234"), conf);
+    TokenAspect<DummyFs> aspect = new TokenAspect<DummyFs>(fs,
+        DummyFs.TOKEN_KIND);
+    UserGroupInformation ugi = UserGroupInformation.createUserForTesting("foo",
+        new String[] { "bar" });
+    UserGroupInformation.setConfiguration(conf);
+
+    // use ip-based tokens
+    SecurityUtilTestHelper.setTokenServiceUseIp(true);
+
+    // test fallback to hdfs token
+    Token<TokenIdentifier> hdfsToken = new Token<TokenIdentifier>(new byte[0],
+        new byte[0], DelegationTokenIdentifier.HDFS_DELEGATION_KIND, new Text(
+            "127.0.0.1:8020"));
+    ugi.addToken(hdfsToken);
+
+    // test fallback to hdfs token
+    Token<?> token = aspect.selectDelegationToken(ugi);
+    assertEquals(hdfsToken, token);
+
+    // test dummyfs is favored over hdfs
+    Token<TokenIdentifier> dummyFsToken = new Token<TokenIdentifier>(
+        new byte[0], new byte[0], DummyFs.TOKEN_KIND,
+        new Text("127.0.0.1:1234"));
+    ugi.addToken(dummyFsToken);
+    token = aspect.selectDelegationToken(ugi);
+    assertEquals(dummyFsToken, token);
+
+    // switch to using host-based tokens, no token should match
+    SecurityUtilTestHelper.setTokenServiceUseIp(false);
+    token = aspect.selectDelegationToken(ugi);
+    assertNull(token);
+
+    // test fallback to hdfs token
+    hdfsToken = new Token<TokenIdentifier>(new byte[0], new byte[0],
+        DelegationTokenIdentifier.HDFS_DELEGATION_KIND, new Text(
+            "localhost:8020"));
+    ugi.addToken(hdfsToken);
+    token = aspect.selectDelegationToken(ugi);
+    assertEquals(hdfsToken, token);
+
+    // test dummyfs is favored over hdfs
+    dummyFsToken = new Token<TokenIdentifier>(new byte[0], new byte[0],
+        DummyFs.TOKEN_KIND, new Text("localhost:1234"));
+    ugi.addToken(dummyFsToken);
+    token = aspect.selectDelegationToken(ugi);
+    assertEquals(dummyFsToken, token);
+  }
+}



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