HDFS-6667. Merge change r1611508 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1611510 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -74,6 +74,9 @@ Release 2.6.0 - UNRELEASED
 
     HDFS-6693. TestDFSAdminWithHA fails on windows ( vinayakumarb )
 
+    HDFS-6667. In HDFS HA mode, Distcp/SLive with webhdfs on secure cluster fails
+    with Client cannot authenticate via:[TOKEN, KERBEROS] error. (jing9)
+
 Release 2.5.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES

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

@@ -37,13 +37,13 @@ import org.apache.hadoop.HadoopIllegalArgumentException;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.hdfs.NameNodeProxies;
 import org.apache.hadoop.hdfs.NameNodeProxies.ProxyAndInfo;
 import org.apache.hadoop.hdfs.protocol.ClientProtocol;
+import org.apache.hadoop.hdfs.protocol.HdfsConstants;
 import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
 import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenSelector;
-import org.apache.hadoop.hdfs.server.namenode.ha.AbstractNNFailoverProxyProvider;
 import org.apache.hadoop.hdfs.server.namenode.NameNode;
+import org.apache.hadoop.hdfs.server.namenode.ha.AbstractNNFailoverProxyProvider;
 import org.apache.hadoop.io.Text;
 import org.apache.hadoop.ipc.RPC;
 import org.apache.hadoop.ipc.RemoteException;
@@ -257,12 +257,11 @@ public class HAUtil {
   /**
    * Parse the file system URI out of the provided token.
    */
-  public static URI getServiceUriFromToken(final String scheme,
+  public static URI getServiceUriFromToken(final String scheme, Token<?> token) {
-                                           Token<?> token) {
     String tokStr = token.getService().toString();
-
+    final String prefix = buildTokenServicePrefixForLogicalUri(scheme);
-    if (tokStr.startsWith(HA_DT_SERVICE_PREFIX)) {
+    if (tokStr.startsWith(prefix)) {
-      tokStr = tokStr.replaceFirst(HA_DT_SERVICE_PREFIX, "");
+      tokStr = tokStr.replaceFirst(prefix, "");
     }
     return URI.create(scheme + "://" + tokStr);
   }
@@ -271,10 +270,13 @@ public class HAUtil {
    * Get the service name used in the delegation token for the given logical
    * HA service.
    * @param uri the logical URI of the cluster
+   * @param scheme the scheme of the corresponding FileSystem
    * @return the service name
    */
-  public static Text buildTokenServiceForLogicalUri(URI uri) {
+  public static Text buildTokenServiceForLogicalUri(final URI uri,
-    return new Text(HA_DT_SERVICE_PREFIX + uri.getHost());
+      final String scheme) {
+    return new Text(buildTokenServicePrefixForLogicalUri(scheme)
+        + uri.getHost());
   }
   
   /**
@@ -285,6 +287,10 @@ public class HAUtil {
     return token.getService().toString().startsWith(HA_DT_SERVICE_PREFIX);
   }
 
+  public static String buildTokenServicePrefixForLogicalUri(String scheme) {
+    return HA_DT_SERVICE_PREFIX + scheme + ":";
+  }
+
   /**
    * Locate a delegation token associated with the given HA cluster URI, and if
    * one is found, clone it to also represent the underlying namenode address.
@@ -296,7 +302,9 @@ public class HAUtil {
   public static void cloneDelegationTokenForLogicalUri(
       UserGroupInformation ugi, URI haUri,
       Collection<InetSocketAddress> nnAddrs) {
-    Text haService = HAUtil.buildTokenServiceForLogicalUri(haUri);
+    // this cloning logic is only used by hdfs
+    Text haService = HAUtil.buildTokenServiceForLogicalUri(haUri,
+        HdfsConstants.HDFS_URI_SCHEME);
     Token<DelegationTokenIdentifier> haToken =
         tokenSelector.selectToken(haService, ugi.getTokens());
     if (haToken != null) {
@@ -307,8 +315,9 @@ public class HAUtil {
         Token<DelegationTokenIdentifier> specificToken =
             new Token.PrivateToken<DelegationTokenIdentifier>(haToken);
         SecurityUtil.setTokenService(specificToken, singleNNAddr);
-        Text alias =
+        Text alias = new Text(
-            new Text(HA_DT_SERVICE_PREFIX + "//" + specificToken.getService());
+            buildTokenServicePrefixForLogicalUri(HdfsConstants.HDFS_URI_SCHEME)
+                + "//" + specificToken.getService());
         ugi.addToken(alias, specificToken);
         LOG.debug("Mapped HA service delegation token for logical URI " +
             haUri + " to namenode " + singleNNAddr);

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

@@ -163,7 +163,8 @@ public class NameNodeProxies {
 
       Text dtService;
       if (failoverProxyProvider.useLogicalURI()) {
-        dtService = HAUtil.buildTokenServiceForLogicalUri(nameNodeUri);
+        dtService = HAUtil.buildTokenServiceForLogicalUri(nameNodeUri,
+            HdfsConstants.HDFS_URI_SCHEME);
       } else {
         dtService = SecurityUtil.buildTokenService(
             NameNode.getAddress(nameNodeUri));
@@ -224,7 +225,8 @@ public class NameNodeProxies {
           new Class[] { xface }, dummyHandler);
       Text dtService;
       if (failoverProxyProvider.useLogicalURI()) {
-        dtService = HAUtil.buildTokenServiceForLogicalUri(nameNodeUri);
+        dtService = HAUtil.buildTokenServiceForLogicalUri(nameNodeUri,
+            HdfsConstants.HDFS_URI_SCHEME);
       } else {
         dtService = SecurityUtil.buildTokenService(
             NameNode.getAddress(nameNodeUri));

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/HdfsConstants.java

@@ -126,7 +126,7 @@ public class HdfsConstants {
    * of a delgation token, indicating that the URI is a logical (HA)
    * URI.
    */
-  public static final String HA_DT_SERVICE_PREFIX = "ha-hdfs:";
+  public static final String HA_DT_SERVICE_PREFIX = "ha-";
 
   /**
    * Path components that are reserved in HDFS.

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/web/resources/DatanodeWebHdfsMethods.java

@@ -128,7 +128,8 @@ public class DatanodeWebHdfsMethods {
             "://" + nnId);
     boolean isLogical = HAUtil.isLogicalUri(conf, nnUri);
     if (isLogical) {
-      token.setService(HAUtil.buildTokenServiceForLogicalUri(nnUri));
+      token.setService(HAUtil.buildTokenServiceForLogicalUri(nnUri,
+          HdfsConstants.HDFS_URI_SCHEME));
     } else {
       token.setService(SecurityUtil.buildTokenService(nnUri));
     }

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

@@ -157,7 +157,7 @@ public class WebHdfsFileSystem extends FileSystem
     // getCanonicalUri() in order to handle the case where no port is
     // specified in the URI
     this.tokenServiceName = isLogicalUri ?
-        HAUtil.buildTokenServiceForLogicalUri(uri)
+        HAUtil.buildTokenServiceForLogicalUri(uri, getScheme())
         : SecurityUtil.buildTokenService(getCanonicalUri());
 
     if (!isHA) {

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

@@ -50,6 +50,7 @@ import org.apache.hadoop.hdfs.DistributedFileSystem;
 import org.apache.hadoop.hdfs.HAUtil;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
 import org.apache.hadoop.hdfs.MiniDFSNNTopology;
+import org.apache.hadoop.hdfs.protocol.HdfsConstants;
 import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
 import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenSecretManager;
 import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenSelector;
@@ -299,7 +300,8 @@ public class TestDelegationTokensWithHA {
     UserGroupInformation ugi = UserGroupInformation.createRemoteUser("test");
     
     URI haUri = new URI("hdfs://my-ha-uri/");
-    token.setService(HAUtil.buildTokenServiceForLogicalUri(haUri));
+    token.setService(HAUtil.buildTokenServiceForLogicalUri(haUri,
+        HdfsConstants.HDFS_URI_SCHEME));
     ugi.addToken(token);
 
     Collection<InetSocketAddress> nnAddrs = new HashSet<InetSocketAddress>();
@@ -355,7 +357,8 @@ public class TestDelegationTokensWithHA {
   @Test
   public void testDFSGetCanonicalServiceName() throws Exception {
     URI hAUri = HATestUtil.getLogicalUri(cluster);
-    String haService = HAUtil.buildTokenServiceForLogicalUri(hAUri).toString();
+    String haService = HAUtil.buildTokenServiceForLogicalUri(hAUri,
+        HdfsConstants.HDFS_URI_SCHEME).toString();
     assertEquals(haService, dfs.getCanonicalServiceName());
     final String renewer = UserGroupInformation.getCurrentUser().getShortUserName();
     final Token<DelegationTokenIdentifier> token =
@@ -371,7 +374,8 @@ public class TestDelegationTokensWithHA {
     Configuration conf = dfs.getConf();
     URI haUri = HATestUtil.getLogicalUri(cluster);
     AbstractFileSystem afs =  AbstractFileSystem.createFileSystem(haUri, conf);    
-    String haService = HAUtil.buildTokenServiceForLogicalUri(haUri).toString();
+    String haService = HAUtil.buildTokenServiceForLogicalUri(haUri,
+        HdfsConstants.HDFS_URI_SCHEME).toString();
     assertEquals(haService, afs.getCanonicalServiceName());
     Token<?> token = afs.getDelegationTokens(
         UserGroupInformation.getCurrentUser().getShortUserName()).get(0);