HDFS-3987. Merge change r1543962 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1543967 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/client/KerberosAuthenticator.java

@@ -196,7 +196,13 @@ public class KerberosAuthenticator implements Authenticator {
         doSpnegoSequence(token);
       } else {
         LOG.debug("Using fallback authenticator sequence.");
-        getFallBackAuthenticator().authenticate(url, token);
+        Authenticator auth = getFallBackAuthenticator();
+        // Make sure that the fall back authenticator have the same
+        // ConnectionConfigurator, since the method might be overridden.
+        // Otherwise the fall back authenticator might not have the information
+        // to make the connection (e.g., SSL certificates)
+        auth.setConnectionConfigurator(connConfigurator);
+        auth.authenticate(url, token);
       }
     }
   }

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer.java

@@ -471,7 +471,9 @@ public class HttpServer implements FilterContainer {
       if (conf.getBoolean(
           CommonConfigurationKeys.HADOOP_JETTY_LOGS_SERVE_ALIASES,
           CommonConfigurationKeys.DEFAULT_HADOOP_JETTY_LOGS_SERVE_ALIASES)) {
-        logContext.getInitParams().put(
+        @SuppressWarnings("unchecked")
+        Map<String, String> params = logContext.getInitParams();
+        params.put(
             "org.mortbay.jetty.servlet.Default.aliases", "true");
       }
       logContext.setDisplayName("logs");

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -23,6 +23,8 @@ Release 2.3.0 - UNRELEASED
     HDFS-5382. Implement the UI of browsing filesystems in HTML 5 page. (Haohui
     Mai via jing9)
 
+    HDFS-3987. Support webhdfs over HTTPS. (Haohui Mai via jing9)
+
   IMPROVEMENTS
 
     HDFS-5267. Remove volatile from LightWeightHashSet. (Junping Du via llu)

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSUtil.java

@@ -76,9 +76,8 @@ import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
 import org.apache.hadoop.hdfs.protocolPB.ClientDatanodeProtocolTranslatorPB;
 import org.apache.hadoop.hdfs.server.namenode.FSDirectory;
 import org.apache.hadoop.hdfs.server.namenode.NameNode;
-import org.apache.hadoop.io.retry.RetryPolicies;
-import org.apache.hadoop.io.retry.RetryPolicy;
-import org.apache.hadoop.io.retry.RetryProxy;
+import org.apache.hadoop.hdfs.web.SWebHdfsFileSystem;
+import org.apache.hadoop.hdfs.web.WebHdfsFileSystem;
 import org.apache.hadoop.ipc.ProtobufRpcEngine;
 import org.apache.hadoop.ipc.RPC;
 import org.apache.hadoop.net.NetUtils;
@@ -605,12 +604,19 @@ public class DFSUtil {
    * Returns list of InetSocketAddress corresponding to HA NN HTTP addresses from
    * the configuration.
    *
-   * @param conf configuration
    * @return list of InetSocketAddresses
    */
-  public static Map<String, Map<String, InetSocketAddress>> getHaNnHttpAddresses(
-      Configuration conf) {
-    return getAddresses(conf, null, DFSConfigKeys.DFS_NAMENODE_HTTP_ADDRESS_KEY);
+  public static Map<String, Map<String, InetSocketAddress>> getHaNnWebHdfsAddresses(
+      Configuration conf, String scheme) {
+    if (WebHdfsFileSystem.SCHEME.equals(scheme)) {
+      return getAddresses(conf, null,
+          DFSConfigKeys.DFS_NAMENODE_HTTP_ADDRESS_KEY);
+    } else if (SWebHdfsFileSystem.SCHEME.equals(scheme)) {
+      return getAddresses(conf, null,
+          DFSConfigKeys.DFS_NAMENODE_HTTPS_ADDRESS_KEY);
+    } else {
+      throw new IllegalArgumentException("Unsupported scheme: " + scheme);
+    }
   }
 
   /**
@@ -619,18 +625,28 @@ public class DFSUtil {
    * cluster, the resolver further resolves the logical name (i.e., the authority
    * in the URL) into real namenode addresses.
    */
-  public static InetSocketAddress[] resolve(URI uri, int schemeDefaultPort,
-      Configuration conf) throws IOException {
+  public static InetSocketAddress[] resolveWebHdfsUri(URI uri, Configuration conf)
+      throws IOException {
+    int defaultPort;
+    String scheme = uri.getScheme();
+    if (WebHdfsFileSystem.SCHEME.equals(scheme)) {
+      defaultPort = DFSConfigKeys.DFS_NAMENODE_HTTP_PORT_DEFAULT;
+    } else if (SWebHdfsFileSystem.SCHEME.equals(scheme)) {
+      defaultPort = DFSConfigKeys.DFS_NAMENODE_HTTPS_PORT_DEFAULT;
+    } else {
+      throw new IllegalArgumentException("Unsupported scheme: " + scheme);
+    }
+
     ArrayList<InetSocketAddress> ret = new ArrayList<InetSocketAddress>();
 
     if (!HAUtil.isLogicalUri(conf, uri)) {
       InetSocketAddress addr = NetUtils.createSocketAddr(uri.getAuthority(),
-          schemeDefaultPort);
+          defaultPort);
       ret.add(addr);
 
     } else {
       Map<String, Map<String, InetSocketAddress>> addresses = DFSUtil
-          .getHaNnHttpAddresses(conf);
+          .getHaNnWebHdfsAddresses(conf, scheme);
 
       for (Map<String, InetSocketAddress> addrs : addresses.values()) {
         for (InetSocketAddress addr : addrs.values()) {
@@ -1391,4 +1407,4 @@ public class DFSUtil {
     return (value == null || value.isEmpty()) ?
         defaultKey : DFSConfigKeys.DFS_WEB_AUTHENTICATION_KERBEROS_KEYTAB_KEY;
   }
-}
+}

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNode.java

@@ -801,6 +801,10 @@ public class NameNode implements NameNodeStatusMXBean {
     return httpServer.getHttpAddress();
   }
 
+  /**
+   * @return NameNode HTTPS address, used by the Web UI, image transfer,
+   *    and HTTP-based file system clients like Hftp and WebHDFS
+   */
   public InetSocketAddress getHttpsAddress() {
     return httpServer.getHttpsAddress();
   }

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/web/resources/NamenodeWebHdfsMethods.java

@@ -66,6 +66,7 @@ import org.apache.hadoop.hdfs.server.namenode.NameNode;
 import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocols;
 import org.apache.hadoop.hdfs.web.JsonUtil;
 import org.apache.hadoop.hdfs.web.ParamFilter;
+import org.apache.hadoop.hdfs.web.SWebHdfsFileSystem;
 import org.apache.hadoop.hdfs.web.WebHdfsFileSystem;
 import org.apache.hadoop.hdfs.web.resources.AccessTimeParam;
 import org.apache.hadoop.hdfs.web.resources.BlockSizeParam;
@@ -96,6 +97,7 @@ import org.apache.hadoop.hdfs.web.resources.ReplicationParam;
 import org.apache.hadoop.hdfs.web.resources.TokenArgumentParam;
 import org.apache.hadoop.hdfs.web.resources.UriFsPathParam;
 import org.apache.hadoop.hdfs.web.resources.UserParam;
+import org.apache.hadoop.io.Text;
 import org.apache.hadoop.ipc.Server;
 import org.apache.hadoop.net.NodeBase;
 import org.apache.hadoop.security.Credentials;
@@ -210,7 +212,8 @@ public class NamenodeWebHdfsMethods {
     final Credentials c = DelegationTokenSecretManager.createCredentials(
         namenode, ugi, renewer != null? renewer: ugi.getShortUserName());
     final Token<? extends TokenIdentifier> t = c.getAllTokens().iterator().next();
-    t.setKind(WebHdfsFileSystem.TOKEN_KIND);
+    Text kind = request.getScheme().equals("http") ? WebHdfsFileSystem.TOKEN_KIND : SWebHdfsFileSystem.TOKEN_KIND;
+    t.setKind(kind);
     return t;
   }
 

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/SWebHdfsFileSystem.java

@@ -0,0 +1,66 @@
+/**
+ * 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 java.io.IOException;
+import java.security.GeneralSecurityException;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hdfs.DFSConfigKeys;
+import org.apache.hadoop.io.Text;
+
+public class SWebHdfsFileSystem extends WebHdfsFileSystem {
+
+  public static final Text TOKEN_KIND = new Text("SWEBHDFS delegation");
+  public static final String SCHEME = "swebhdfs";
+
+  @Override
+  public String getScheme() {
+    return SCHEME;
+  }
+
+  @Override
+  protected String getTransportScheme() {
+    return "https";
+  }
+
+  @Override
+  protected synchronized void initializeTokenAspect() {
+    tokenAspect = new TokenAspect<WebHdfsFileSystem>(this, TOKEN_KIND);
+  }
+
+  @Override
+  protected void initializeConnectionFactory(Configuration conf)
+      throws IOException {
+    connectionFactory = new URLConnectionFactory(
+        URLConnectionFactory.DEFAULT_SOCKET_TIMEOUT);
+    try {
+      connectionFactory.setConnConfigurator(URLConnectionFactory
+          .newSslConnConfigurator(URLConnectionFactory.DEFAULT_SOCKET_TIMEOUT,
+              conf));
+    } catch (GeneralSecurityException e) {
+      throw new IOException(e);
+    }
+  }
+
+  @Override
+  protected int getDefaultPort() {
+    return getConf().getInt(DFSConfigKeys.DFS_NAMENODE_HTTPS_PORT_KEY,
+        DFSConfigKeys.DFS_NAMENODE_HTTPS_PORT_DEFAULT);
+  }
+}

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/TokenAspect.java

@@ -58,7 +58,8 @@ final class TokenAspect<T extends FileSystem & Renewable> {
     public boolean handleKind(Text kind) {
       return kind.equals(HftpFileSystem.TOKEN_KIND)
           || kind.equals(HsftpFileSystem.TOKEN_KIND)
-          || kind.equals(WebHdfsFileSystem.TOKEN_KIND);
+          || kind.equals(WebHdfsFileSystem.TOKEN_KIND)
+          || kind.equals(SWebHdfsFileSystem.TOKEN_KIND);
     }
 
     @Override
@@ -83,6 +84,8 @@ final class TokenAspect<T extends FileSystem & Renewable> {
         uri = DFSUtil.createUri(HsftpFileSystem.SCHEME, address);
       } else if (kind.equals(WebHdfsFileSystem.TOKEN_KIND)) {
         uri = DFSUtil.createUri(WebHdfsFileSystem.SCHEME, address);
+      } else if (kind.equals(SWebHdfsFileSystem.TOKEN_KIND)) {
+        uri = DFSUtil.createUri(SWebHdfsFileSystem.SCHEME, address);
       } else {
         throw new IllegalArgumentException("Unsupported scheme");
       }

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java

@@ -56,7 +56,6 @@ import org.apache.hadoop.hdfs.HAUtil;
 import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
 import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
 import org.apache.hadoop.hdfs.server.namenode.SafeModeException;
-import org.apache.hadoop.hdfs.web.TokenAspect.DTSelecorByKind;
 import org.apache.hadoop.hdfs.web.resources.AccessTimeParam;
 import org.apache.hadoop.hdfs.web.resources.BlockSizeParam;
 import org.apache.hadoop.hdfs.web.resources.BufferSizeParam;
@@ -99,7 +98,6 @@ import org.apache.hadoop.security.token.TokenIdentifier;
 import org.apache.hadoop.util.Progressable;
 import org.mortbay.util.ajax.JSON;
 
-import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Charsets;
 import com.google.common.collect.Lists;
 
@@ -119,8 +117,7 @@ public class WebHdfsFileSystem extends FileSystem
 
   /** Delegation token kind */
   public static final Text TOKEN_KIND = new Text("WEBHDFS delegation");
-  protected TokenAspect<WebHdfsFileSystem> tokenAspect = new TokenAspect<WebHdfsFileSystem>(
-      this, TOKEN_KIND);
+  protected TokenAspect<WebHdfsFileSystem> tokenAspect;
 
   private UserGroupInformation ugi;
   private URI uri;
@@ -141,17 +138,44 @@ public class WebHdfsFileSystem extends FileSystem
     return SCHEME;
   }
 
+  /**
+   * return the underlying transport protocol (http / https).
+   */
+  protected String getTransportScheme() {
+    return "http";
+  }
+
+  /**
+   * Initialize tokenAspect. This function is intended to
+   * be overridden by SWebHdfsFileSystem.
+   */
+  protected synchronized void initializeTokenAspect() {
+    tokenAspect = new TokenAspect<WebHdfsFileSystem>(this, TOKEN_KIND);
+  }
+
+  /**
+   * Initialize connectionFactory. This function is intended to
+   * be overridden by SWebHdfsFileSystem.
+   */
+  protected void initializeConnectionFactory(Configuration conf)
+      throws IOException {
+    connectionFactory = URLConnectionFactory.DEFAULT_CONNECTION_FACTORY;
+  }
+
   @Override
   public synchronized void initialize(URI uri, Configuration conf
       ) throws IOException {
     super.initialize(uri, conf);
     setConf(conf);
+    initializeTokenAspect();
+    initializeConnectionFactory(conf);
+
     ugi = UserGroupInformation.getCurrentUser();
 
     try {
       this.uri = new URI(uri.getScheme(), uri.getAuthority(), null,
           null, null);
-      this.nnAddrs = DFSUtil.resolve(this.uri, getDefaultPort(), conf);
+      this.nnAddrs = DFSUtil.resolveWebHdfsUri(this.uri, conf);
     } catch (URISyntaxException e) {
       throw new IllegalArgumentException(e);
     }
@@ -343,7 +367,7 @@ public class WebHdfsFileSystem extends FileSystem
    */
   private URL getNamenodeURL(String path, String query) throws IOException {
     InetSocketAddress nnAddr = getCurrentNNAddr();
-    final URL url = new URL("http", nnAddr.getHostName(),
+    final URL url = new URL(getTransportScheme(), nnAddr.getHostName(),
           nnAddr.getPort(), path + '?' + query);
     if (LOG.isTraceEnabled()) {
       LOG.trace("url=" + url);
@@ -841,7 +865,9 @@ public class WebHdfsFileSystem extends FileSystem
   @Override
   public void close() throws IOException {
     super.close();
-    tokenAspect.removeRenewAction();
+    synchronized (this) {
+      tokenAspect.removeRenewAction();
+    }
   }
 
   class OffsetUrlOpener extends ByteRangeInputStream.URLOpener {

hadoop-hdfs-project/hadoop-hdfs/src/main/resources/META-INF/services/org.apache.hadoop.fs.FileSystem

@@ -17,3 +17,4 @@ org.apache.hadoop.hdfs.DistributedFileSystem
 org.apache.hadoop.hdfs.web.HftpFileSystem
 org.apache.hadoop.hdfs.web.HsftpFileSystem
 org.apache.hadoop.hdfs.web.WebHdfsFileSystem
+org.apache.hadoop.hdfs.web.SWebHdfsFileSystem

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestSymlinkHdfs.java

@@ -89,7 +89,7 @@ abstract public class TestSymlinkHdfs extends SymlinkBaseTest {
     conf.setBoolean(DFSConfigKeys.DFS_WEBHDFS_ENABLED_KEY, true);
     conf.set(FsPermission.UMASK_LABEL, "000");
     cluster = new MiniDFSCluster.Builder(conf).build();
-    webhdfs = WebHdfsTestUtil.getWebHdfsFileSystem(conf);
+    webhdfs = WebHdfsTestUtil.getWebHdfsFileSystem(conf, WebHdfsFileSystem.SCHEME);
     dfs = cluster.getFileSystem();
   }
 

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSClientRetries.java

@@ -73,6 +73,7 @@ import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
 import org.apache.hadoop.hdfs.server.namenode.NameNode;
 import org.apache.hadoop.hdfs.server.namenode.NotReplicatedYetException;
 import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocols;
+import org.apache.hadoop.hdfs.web.WebHdfsFileSystem;
 import org.apache.hadoop.hdfs.web.WebHdfsTestUtil;
 import org.apache.hadoop.io.EnumSetWritable;
 import org.apache.hadoop.io.IOUtils;
@@ -834,8 +835,8 @@ public class TestDFSClientRetries {
     try {
       cluster.waitActive();
       final DistributedFileSystem dfs = cluster.getFileSystem();
-      final FileSystem fs = isWebHDFS?
-          WebHdfsTestUtil.getWebHdfsFileSystem(conf): dfs;
+      final FileSystem fs = isWebHDFS ? WebHdfsTestUtil.getWebHdfsFileSystem(
+          conf, WebHdfsFileSystem.SCHEME) : dfs;
       final URI uri = dfs.getUri();
       assertTrue(HdfsUtils.isHealthy(uri));
 
@@ -1039,7 +1040,7 @@ public class TestDFSClientRetries {
     final UserGroupInformation ugi = UserGroupInformation.createUserForTesting(
         username, new String[]{"supergroup"});
 
-    return isWebHDFS? WebHdfsTestUtil.getWebHdfsFileSystemAs(ugi, conf)
+    return isWebHDFS? WebHdfsTestUtil.getWebHdfsFileSystemAs(ugi, conf, WebHdfsFileSystem.SCHEME)
         : DFSTestUtil.getFileSystemAs(ugi, conf);
   }
 

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSUtil.java

@@ -556,7 +556,7 @@ public class TestDFSUtil {
     Configuration conf = createWebHDFSHAConfiguration(LOGICAL_HOST_NAME, NS1_NN1_ADDR, NS1_NN2_ADDR);
 
     Map<String, Map<String, InetSocketAddress>> map =
-        DFSUtil.getHaNnHttpAddresses(conf);
+        DFSUtil.getHaNnWebHdfsAddresses(conf, "webhdfs");
 
     assertEquals(NS1_NN1_ADDR, map.get("ns1").get("nn1").toString());
     assertEquals(NS1_NN2_ADDR, map.get("ns1").get("nn2").toString());
@@ -574,7 +574,7 @@ public class TestDFSUtil {
     Configuration conf = createWebHDFSHAConfiguration(LOGICAL_HOST_NAME, NS1_NN1_ADDR, NS1_NN2_ADDR);
     URI uri = new URI("webhdfs://ns1");
     assertTrue(HAUtil.isLogicalUri(conf, uri));
-    InetSocketAddress[] addrs = DFSUtil.resolve(uri, DEFAULT_PORT, conf);
+    InetSocketAddress[] addrs = DFSUtil.resolveWebHdfsUri(uri, conf);
     assertArrayEquals(new InetSocketAddress[] {
       new InetSocketAddress(NS1_NN1_HOST, DEFAULT_PORT),
       new InetSocketAddress(NS1_NN2_HOST, DEFAULT_PORT),

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/security/TestDelegationTokenForProxyUser.java

@@ -147,7 +147,7 @@ public class TestDelegationTokenForProxyUser {
   public void testWebHdfsDoAs() throws Exception {
     WebHdfsTestUtil.LOG.info("START: testWebHdfsDoAs()");
     WebHdfsTestUtil.LOG.info("ugi.getShortUserName()=" + ugi.getShortUserName());
-    final WebHdfsFileSystem webhdfs = WebHdfsTestUtil.getWebHdfsFileSystemAs(ugi, config);
+    final WebHdfsFileSystem webhdfs = WebHdfsTestUtil.getWebHdfsFileSystemAs(ugi, config, WebHdfsFileSystem.SCHEME);
     
     final Path root = new Path("/");
     cluster.getFileSystem().setPermission(root, new FsPermission((short)0777));

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestAuditLogs.java

@@ -163,7 +163,7 @@ public class TestAuditLogs {
 
     setupAuditLogs();
 
-    WebHdfsFileSystem webfs = WebHdfsTestUtil.getWebHdfsFileSystemAs(userGroupInfo, conf);
+    WebHdfsFileSystem webfs = WebHdfsTestUtil.getWebHdfsFileSystemAs(userGroupInfo, conf, WebHdfsFileSystem.SCHEME);
     InputStream istream = webfs.open(file);
     int val = istream.read();
     istream.close();
@@ -182,7 +182,7 @@ public class TestAuditLogs {
 
     setupAuditLogs();
 
-    WebHdfsFileSystem webfs = WebHdfsTestUtil.getWebHdfsFileSystemAs(userGroupInfo, conf);
+    WebHdfsFileSystem webfs = WebHdfsTestUtil.getWebHdfsFileSystemAs(userGroupInfo, conf, WebHdfsFileSystem.SCHEME);
     FileStatus st = webfs.getFileStatus(file);
 
     verifyAuditLogs(true);
@@ -222,7 +222,7 @@ public class TestAuditLogs {
 
     setupAuditLogs();
     try {
-      WebHdfsFileSystem webfs = WebHdfsTestUtil.getWebHdfsFileSystemAs(userGroupInfo, conf);
+      WebHdfsFileSystem webfs = WebHdfsTestUtil.getWebHdfsFileSystemAs(userGroupInfo, conf, WebHdfsFileSystem.SCHEME);
       InputStream istream = webfs.open(file);
       int val = istream.read();
       fail("open+read must not succeed, got " + val);

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestHttpsFileSystem.java

@@ -65,6 +65,7 @@ public class TestHttpsFileSystem {
     cluster.getFileSystem().create(new Path("/test")).close();
     InetSocketAddress addr = cluster.getNameNode().getHttpsAddress();
     nnAddr = addr.getHostName() + ":" + addr.getPort();
+    conf.set(DFSConfigKeys.DFS_NAMENODE_HTTPS_ADDRESS_KEY, nnAddr);
   }
 
   @AfterClass
@@ -80,4 +81,15 @@ public class TestHttpsFileSystem {
     Assert.assertTrue(fs.exists(new Path("/test")));
     fs.close();
   }
+
+  @Test
+  public void testSWebHdfsFileSystem() throws Exception {
+    FileSystem fs = WebHdfsTestUtil.getWebHdfsFileSystem(conf, "swebhdfs");
+    final Path f = new Path("/testswebhdfs");
+    FSDataOutputStream os = fs.create(f);
+    os.write(23);
+    os.close();
+    Assert.assertTrue(fs.exists(f));
+    fs.close();
+  }
 }

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHDFS.java

@@ -101,7 +101,7 @@ public class TestWebHDFS {
     try {
       cluster.waitActive();
 
-      final FileSystem fs = WebHdfsTestUtil.getWebHdfsFileSystem(conf);
+      final FileSystem fs = WebHdfsTestUtil.getWebHdfsFileSystem(conf, WebHdfsFileSystem.SCHEME);
       final Path dir = new Path("/test/largeFile");
       Assert.assertTrue(fs.mkdirs(dir));
 
@@ -229,9 +229,9 @@ public class TestWebHDFS {
         new MiniDFSCluster.Builder(conf).numDataNodes(3).build();
     try {
       cluster.waitActive();
-      WebHdfsTestUtil.getWebHdfsFileSystem(conf).setPermission(
-          new Path("/"),
-          new FsPermission(FsAction.ALL, FsAction.ALL, FsAction.ALL));
+      WebHdfsTestUtil.getWebHdfsFileSystem(conf, WebHdfsFileSystem.SCHEME)
+          .setPermission(new Path("/"),
+              new FsPermission(FsAction.ALL, FsAction.ALL, FsAction.ALL));
 
       // trick the NN into not believing it's not the superuser so we can
       // tell if the correct user is used by listStatus
@@ -243,8 +243,9 @@ public class TestWebHDFS {
         .doAs(new PrivilegedExceptionAction<Void>() {
           @Override
           public Void run() throws IOException, URISyntaxException {
-            FileSystem fs = WebHdfsTestUtil.getWebHdfsFileSystem(conf);
-            Path d = new Path("/my-dir");
+              FileSystem fs = WebHdfsTestUtil.getWebHdfsFileSystem(conf,
+                  WebHdfsFileSystem.SCHEME);
+              Path d = new Path("/my-dir");
             Assert.assertTrue(fs.mkdirs(d));
             for (int i=0; i < listLimit*3; i++) {
               Path p = new Path(d, "file-"+i);

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHdfsFileSystemContract.java

@@ -82,7 +82,7 @@ public class TestWebHdfsFileSystemContract extends FileSystemContractBaseTest {
     final UserGroupInformation current = UserGroupInformation.getCurrentUser();
     ugi = UserGroupInformation.createUserForTesting(
         current.getShortUserName() + "x", new String[]{"user"});
-    fs = WebHdfsTestUtil.getWebHdfsFileSystemAs(ugi, conf);
+    fs = WebHdfsTestUtil.getWebHdfsFileSystemAs(ugi, conf, WebHdfsFileSystem.SCHEME);
     defaultWorkingDirectory = fs.getWorkingDirectory().toUri().getPath();
   }
 

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHdfsTimeouts.java

@@ -18,35 +18,32 @@
 
 package org.apache.hadoop.hdfs.web;
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
 
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.OutputStream;
-import java.net.InetAddress;
 import java.net.InetSocketAddress;
 import java.net.ServerSocket;
 import java.net.Socket;
-import java.net.SocketAddress;
 import java.net.SocketTimeoutException;
 import java.nio.channels.SocketChannel;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
-
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hdfs.DFSConfigKeys;
-import org.apache.hadoop.hdfs.server.namenode.NameNode;
 import org.apache.hadoop.io.IOUtils;
 import org.apache.hadoop.net.NetUtils;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
 
 /**
  * This test suite checks that WebHdfsFileSystem sets connection timeouts and
@@ -77,7 +74,7 @@ public class TestWebHdfsTimeouts {
     serverSocket = new ServerSocket(0, CONNECTION_BACKLOG);
     nnHttpAddress = new InetSocketAddress("localhost", serverSocket.getLocalPort());
     conf.set(DFSConfigKeys.DFS_NAMENODE_HTTP_ADDRESS_KEY, "localhost:" + serverSocket.getLocalPort());
-    fs = WebHdfsTestUtil.getWebHdfsFileSystem(conf);
+    fs = WebHdfsTestUtil.getWebHdfsFileSystem(conf, WebHdfsFileSystem.SCHEME);
     fs.connectionFactory = connectionFactory;
     clients = new ArrayList<SocketChannel>();
     serverThread = null;

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/WebHdfsTestUtil.java

@@ -46,20 +46,36 @@ public class WebHdfsTestUtil {
     return conf;
   }
 
-  public static WebHdfsFileSystem getWebHdfsFileSystem(final Configuration conf
-      ) throws IOException, URISyntaxException {
-    final String uri = WebHdfsFileSystem.SCHEME  + "://"
-        + conf.get(DFSConfigKeys.DFS_NAMENODE_HTTP_ADDRESS_KEY);
+  public static WebHdfsFileSystem getWebHdfsFileSystem(
+      final Configuration conf, String scheme) throws IOException,
+      URISyntaxException {
+    final String uri;
+
+    if (WebHdfsFileSystem.SCHEME.equals(scheme)) {
+      uri = WebHdfsFileSystem.SCHEME + "://"
+          + conf.get(DFSConfigKeys.DFS_NAMENODE_HTTP_ADDRESS_KEY);
+    } else if (SWebHdfsFileSystem.SCHEME.equals(scheme)) {
+      uri = SWebHdfsFileSystem.SCHEME + "://"
+          + conf.get(DFSConfigKeys.DFS_NAMENODE_HTTPS_ADDRESS_KEY);
+    } else {
+      throw new IllegalArgumentException("unknown scheme:" + scheme);
+    }
     return (WebHdfsFileSystem)FileSystem.get(new URI(uri), conf);
   }
 
   public static WebHdfsFileSystem getWebHdfsFileSystemAs(
-      final UserGroupInformation ugi, final Configuration conf
+  final UserGroupInformation ugi, final Configuration conf
+  ) throws IOException, InterruptedException {
+    return getWebHdfsFileSystemAs(ugi, conf, WebHdfsFileSystem.SCHEME);
+  }
+
+  public static WebHdfsFileSystem getWebHdfsFileSystemAs(
+      final UserGroupInformation ugi, final Configuration conf, String scheme
       ) throws IOException, InterruptedException {
     return ugi.doAs(new PrivilegedExceptionAction<WebHdfsFileSystem>() {
       @Override
       public WebHdfsFileSystem run() throws Exception {
-        return getWebHdfsFileSystem(conf);
+        return getWebHdfsFileSystem(conf, WebHdfsFileSystem.SCHEME);
       }
     });
   }