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From tgra...@apache.org
Subject svn commit: r1429085 - in /hadoop/common/trunk/hadoop-yarn-project: ./ hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/ hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/ hadoop-yarn/hadoop-yarn-a...
Date Fri, 04 Jan 2013 20:15:32 GMT
Author: tgraves
Date: Fri Jan  4 20:15:32 2013
New Revision: 1429085

URL: http://svn.apache.org/viewvc?rev=1429085&view=rev
Log:
YARN-50. Implement renewal / cancellation of Delegation Tokens(Siddharth Seth via tgraves)

Added:
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/CancelDelegationTokenRequest.java
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/CancelDelegationTokenResponse.java
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/RenewDelegationTokenRequest.java
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/RenewDelegationTokenResponse.java
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/CancelDelegationTokenRequestPBImpl.java
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/CancelDelegationTokenResponsePBImpl.java
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/RenewDelegationTokenRequestPBImpl.java
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/RenewDelegationTokenResponsePBImpl.java
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/security/
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/security/RMDelegationTokenRenewer.java
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/resources/
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/resources/META-INF/
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/resources/META-INF/services/
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/resources/META-INF/services/org.apache.hadoop.security.token.TokenRenewer
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClientRMTokens.java
Modified:
    hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/ClientRMProtocol.java
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/client_RM_protocol.proto
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_service_protos.proto
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/YarnClientImpl.java
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/impl/pb/client/ClientRMProtocolPBClientImpl.java
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/impl/pb/service/ClientRMProtocolPBServiceImpl.java
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ClientRMService.java
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java

Modified: hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt?rev=1429085&r1=1429084&r2=1429085&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt Fri Jan  4 20:15:32 2013
@@ -270,6 +270,9 @@ Release 0.23.6 - UNRELEASED
     YARN-293. Node Manager leaks LocalizerRunner object for every Container
     (Robert Joseph Evans via jlowe)
 
+    YARN-50. Implement renewal / cancellation of Delegation Tokens
+    (Siddharth Seth via tgraves)
+
 Release 0.23.5 - UNRELEASED
 
   INCOMPATIBLE CHANGES

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/ClientRMProtocol.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/ClientRMProtocol.java?rev=1429085&r1=1429084&r2=1429085&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/ClientRMProtocol.java (original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/ClientRMProtocol.java Fri Jan  4 20:15:32 2013
@@ -18,13 +18,11 @@
 
 package org.apache.hadoop.yarn.api;
 
+import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.classification.InterfaceAudience.Public;
 import org.apache.hadoop.classification.InterfaceStability.Stable;
-
-import org.apache.hadoop.yarn.api.protocolrecords.GetDelegationTokenRequest;
-import org.apache.hadoop.yarn.api.protocolrecords.GetDelegationTokenResponse;
-import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest;
-import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.CancelDelegationTokenRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.CancelDelegationTokenResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.GetAllApplicationsRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetAllApplicationsResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportRequest;
@@ -33,19 +31,25 @@ import org.apache.hadoop.yarn.api.protoc
 import org.apache.hadoop.yarn.api.protocolrecords.GetClusterMetricsResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodesRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetClusterNodesResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.GetDelegationTokenRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.GetDelegationTokenResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationResponse;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
 import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
-import org.apache.hadoop.yarn.api.records.NodeReport;
 import org.apache.hadoop.yarn.api.records.DelegationToken;
+import org.apache.hadoop.yarn.api.records.NodeReport;
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.api.records.YarnClusterMetrics;
 import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
@@ -265,4 +269,26 @@ public interface ClientRMProtocol {
   public GetDelegationTokenResponse getDelegationToken(
       GetDelegationTokenRequest request) 
   throws YarnRemoteException;
+  
+  /**
+   * Renew an existing delegation token.
+   * 
+   * @param request the delegation token to be renewed.
+   * @return the new expiry time for the delegation token.
+   * @throws YarnRemoteException
+   */
+  @Private
+  public RenewDelegationTokenResponse renewDelegationToken(
+      RenewDelegationTokenRequest request) throws YarnRemoteException;
+
+  /**
+   * Cancel an existing delegation token.
+   * 
+   * @param request the delegation token to be cancelled.
+   * @return an empty response.
+   * @throws YarnRemoteException
+   */
+  @Private
+  public CancelDelegationTokenResponse cancelDelegationToken(
+      CancelDelegationTokenRequest request) throws YarnRemoteException;
 }

Added: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/CancelDelegationTokenRequest.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/CancelDelegationTokenRequest.java?rev=1429085&view=auto
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/CancelDelegationTokenRequest.java (added)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/CancelDelegationTokenRequest.java Fri Jan  4 20:15:32 2013
@@ -0,0 +1,34 @@
+/**
+ * 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.yarn.api.protocolrecords;
+
+import org.apache.hadoop.classification.InterfaceAudience.Public;
+import org.apache.hadoop.classification.InterfaceStability.Evolving;
+import org.apache.hadoop.yarn.api.records.DelegationToken;
+
+/**
+ * The request issued by the client to the {@code ResourceManager} to cancel a
+ * delegation token.
+ */
+@Public
+@Evolving
+public interface CancelDelegationTokenRequest {
+  DelegationToken getDelegationToken();
+  void setDelegationToken(DelegationToken dToken);
+}

Added: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/CancelDelegationTokenResponse.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/CancelDelegationTokenResponse.java?rev=1429085&view=auto
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/CancelDelegationTokenResponse.java (added)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/CancelDelegationTokenResponse.java Fri Jan  4 20:15:32 2013
@@ -0,0 +1,31 @@
+/**
+ * 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.yarn.api.protocolrecords;
+
+import org.apache.hadoop.classification.InterfaceAudience.Public;
+import org.apache.hadoop.classification.InterfaceStability.Evolving;
+
+/**
+ * The response from the {@code ResourceManager} to a cancelDelegationToken
+ * request.
+ */
+@Public
+@Evolving
+public interface CancelDelegationTokenResponse {
+}

Added: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/RenewDelegationTokenRequest.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/RenewDelegationTokenRequest.java?rev=1429085&view=auto
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/RenewDelegationTokenRequest.java (added)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/RenewDelegationTokenRequest.java Fri Jan  4 20:15:32 2013
@@ -0,0 +1,34 @@
+/**
+ * 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.yarn.api.protocolrecords;
+
+import org.apache.hadoop.classification.InterfaceAudience.Public;
+import org.apache.hadoop.classification.InterfaceStability.Evolving;
+import org.apache.hadoop.yarn.api.records.DelegationToken;
+
+/**
+ * The request issued by the client to renew a delegation token from
+ * the {@code ResourceManager}.
+ */
+@Public
+@Evolving
+public interface RenewDelegationTokenRequest {
+  DelegationToken getDelegationToken();
+  void setDelegationToken(DelegationToken dToken);
+}

Added: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/RenewDelegationTokenResponse.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/RenewDelegationTokenResponse.java?rev=1429085&view=auto
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/RenewDelegationTokenResponse.java (added)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/RenewDelegationTokenResponse.java Fri Jan  4 20:15:32 2013
@@ -0,0 +1,32 @@
+/**
+ * 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.yarn.api.protocolrecords;
+
+import org.apache.hadoop.classification.InterfaceAudience.Public;
+import org.apache.hadoop.classification.InterfaceStability.Evolving;
+
+/**
+ * The response to a renewDelegationToken call to the {@code ResourceManager}.
+ */
+@Public
+@Evolving
+public interface RenewDelegationTokenResponse {
+  long getNextExpirationTime();
+  void setNextExpirationTime(long expTime);
+}

Added: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/CancelDelegationTokenRequestPBImpl.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/CancelDelegationTokenRequestPBImpl.java?rev=1429085&view=auto
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/CancelDelegationTokenRequestPBImpl.java (added)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/CancelDelegationTokenRequestPBImpl.java Fri Jan  4 20:15:32 2013
@@ -0,0 +1,106 @@
+/**
+ * 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.yarn.api.protocolrecords.impl.pb;
+
+import org.apache.hadoop.yarn.api.protocolrecords.CancelDelegationTokenRequest;
+import org.apache.hadoop.yarn.api.records.DelegationToken;
+import org.apache.hadoop.yarn.api.records.ProtoBase;
+import org.apache.hadoop.yarn.api.records.impl.pb.DelegationTokenPBImpl;
+import org.apache.hadoop.yarn.proto.YarnProtos.DelegationTokenProto;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.CancelDelegationTokenRequestProto;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.CancelDelegationTokenRequestProtoOrBuilder;
+
+public class CancelDelegationTokenRequestPBImpl extends
+    ProtoBase<CancelDelegationTokenRequestProto> implements
+    CancelDelegationTokenRequest {
+
+  CancelDelegationTokenRequestProto proto = CancelDelegationTokenRequestProto
+      .getDefaultInstance();
+  CancelDelegationTokenRequestProto.Builder builder = null;
+  boolean viaProto = false;
+
+  public CancelDelegationTokenRequestPBImpl() {
+    builder = CancelDelegationTokenRequestProto.newBuilder();
+  }
+
+  public CancelDelegationTokenRequestPBImpl(
+      CancelDelegationTokenRequestProto proto) {
+    this.proto = proto;
+    viaProto = true;
+  }
+
+  DelegationToken token;
+
+  @Override
+  public DelegationToken getDelegationToken() {
+    CancelDelegationTokenRequestProtoOrBuilder p = viaProto ? proto : builder;
+    if (this.token != null) {
+      return this.token;
+    }
+    if (!p.hasDelegationToken()) {
+      return null;
+    }
+    this.token = convertFromProtoFormat(p.getDelegationToken());
+    return this.token;
+  }
+
+  @Override
+  public void setDelegationToken(DelegationToken token) {
+    maybeInitBuilder();
+    if (token == null)
+      builder.clearDelegationToken();
+    this.token = token;
+  }
+
+  @Override
+  public CancelDelegationTokenRequestProto getProto() {
+    mergeLocalToProto();
+    proto = viaProto ? proto : builder.build();
+    viaProto = true;
+    return proto;
+  }
+
+  private void mergeLocalToBuilder() {
+    if (token != null) {
+      builder.setDelegationToken(convertToProtoFormat(this.token));
+    }
+  }
+
+  private void mergeLocalToProto() {
+    if (viaProto)
+      maybeInitBuilder();
+    mergeLocalToBuilder();
+    proto = builder.build();
+    viaProto = true;
+  }
+
+  private void maybeInitBuilder() {
+    if (viaProto || builder == null) {
+      builder = CancelDelegationTokenRequestProto.newBuilder(proto);
+    }
+    viaProto = false;
+  }
+
+  private DelegationTokenPBImpl convertFromProtoFormat(DelegationTokenProto p) {
+    return new DelegationTokenPBImpl(p);
+  }
+
+  private DelegationTokenProto convertToProtoFormat(DelegationToken t) {
+    return ((DelegationTokenPBImpl) t).getProto();
+  }
+}

Added: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/CancelDelegationTokenResponsePBImpl.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/CancelDelegationTokenResponsePBImpl.java?rev=1429085&view=auto
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/CancelDelegationTokenResponsePBImpl.java (added)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/CancelDelegationTokenResponsePBImpl.java Fri Jan  4 20:15:32 2013
@@ -0,0 +1,44 @@
+/**
+ * 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.yarn.api.protocolrecords.impl.pb;
+
+import org.apache.hadoop.yarn.api.protocolrecords.CancelDelegationTokenResponse;
+import org.apache.hadoop.yarn.api.records.ProtoBase;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.CancelDelegationTokenResponseProto;
+
+public class CancelDelegationTokenResponsePBImpl extends
+    ProtoBase<CancelDelegationTokenResponseProto> implements
+    CancelDelegationTokenResponse {
+  
+  CancelDelegationTokenResponseProto proto = CancelDelegationTokenResponseProto
+      .getDefaultInstance();
+
+  public CancelDelegationTokenResponsePBImpl() {
+  }
+
+  public CancelDelegationTokenResponsePBImpl(
+      CancelDelegationTokenResponseProto proto) {
+    this.proto = proto;
+  }
+
+  @Override
+  public CancelDelegationTokenResponseProto getProto() {
+    return proto;
+  }
+
+}

Added: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/RenewDelegationTokenRequestPBImpl.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/RenewDelegationTokenRequestPBImpl.java?rev=1429085&view=auto
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/RenewDelegationTokenRequestPBImpl.java (added)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/RenewDelegationTokenRequestPBImpl.java Fri Jan  4 20:15:32 2013
@@ -0,0 +1,107 @@
+/**
+ * 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.yarn.api.protocolrecords.impl.pb;
+
+import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenRequest;
+import org.apache.hadoop.yarn.api.records.DelegationToken;
+import org.apache.hadoop.yarn.api.records.ProtoBase;
+import org.apache.hadoop.yarn.api.records.impl.pb.DelegationTokenPBImpl;
+import org.apache.hadoop.yarn.proto.YarnProtos.DelegationTokenProto;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.RenewDelegationTokenRequestProto;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.RenewDelegationTokenRequestProtoOrBuilder;
+
+public class RenewDelegationTokenRequestPBImpl extends
+    ProtoBase<RenewDelegationTokenRequestProto> implements
+    RenewDelegationTokenRequest {
+  RenewDelegationTokenRequestProto proto = 
+      RenewDelegationTokenRequestProto.getDefaultInstance();
+  RenewDelegationTokenRequestProto.Builder builder = null;
+  boolean viaProto = false;
+  
+  public RenewDelegationTokenRequestPBImpl() {
+    builder = RenewDelegationTokenRequestProto.newBuilder();
+  }
+
+  public RenewDelegationTokenRequestPBImpl (
+      RenewDelegationTokenRequestProto proto) {
+    this.proto = proto;
+    this.viaProto = true;
+  }
+
+  DelegationToken token;
+
+  @Override
+  public DelegationToken getDelegationToken() {
+    RenewDelegationTokenRequestProtoOrBuilder p = viaProto ? proto : builder;
+    if (this.token != null) {
+      return this.token;
+    }
+    if (!p.hasDelegationToken()) {
+      return null;
+    }
+    this.token = convertFromProtoFormat(p.getDelegationToken());
+    return this.token;
+  }
+
+  @Override
+  public void setDelegationToken(DelegationToken token) {
+    maybeInitBuilder();
+    if (token == null) 
+      builder.clearDelegationToken();
+    this.token = token;
+  }
+
+  @Override
+  public RenewDelegationTokenRequestProto getProto() {
+    mergeLocalToProto();
+    proto = viaProto ? proto : builder.build();
+    viaProto = true;
+    return proto;
+  }
+
+
+  private void mergeLocalToBuilder() {
+    if (token != null) {
+      builder.setDelegationToken(convertToProtoFormat(this.token));
+    }
+  }
+
+  private void mergeLocalToProto() {
+    if (viaProto) 
+      maybeInitBuilder();
+    mergeLocalToBuilder();
+    proto = builder.build();
+    viaProto = true;
+  }
+
+  private void maybeInitBuilder() {
+    if (viaProto || builder == null) {
+      builder = RenewDelegationTokenRequestProto.newBuilder(proto);
+    }
+    viaProto = false;
+  }
+
+
+  private DelegationTokenPBImpl convertFromProtoFormat(DelegationTokenProto p) {
+    return new DelegationTokenPBImpl(p);
+  }
+
+  private DelegationTokenProto convertToProtoFormat(DelegationToken t) {
+    return ((DelegationTokenPBImpl)t).getProto();
+  }
+}

Added: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/RenewDelegationTokenResponsePBImpl.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/RenewDelegationTokenResponsePBImpl.java?rev=1429085&view=auto
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/RenewDelegationTokenResponsePBImpl.java (added)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/RenewDelegationTokenResponsePBImpl.java Fri Jan  4 20:15:32 2013
@@ -0,0 +1,69 @@
+/**
+ * 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.yarn.api.protocolrecords.impl.pb;
+
+import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenResponse;
+import org.apache.hadoop.yarn.api.records.ProtoBase;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.RenewDelegationTokenResponseProto;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.RenewDelegationTokenResponseProtoOrBuilder;
+
+public class RenewDelegationTokenResponsePBImpl extends
+    ProtoBase<RenewDelegationTokenResponseProto> implements
+    RenewDelegationTokenResponse {
+
+  RenewDelegationTokenResponseProto proto =
+      RenewDelegationTokenResponseProto.getDefaultInstance();
+  RenewDelegationTokenResponseProto.Builder builder = null;
+  boolean viaProto = false;
+
+  public RenewDelegationTokenResponsePBImpl() {
+    this.builder = RenewDelegationTokenResponseProto.newBuilder();
+  }
+
+  public RenewDelegationTokenResponsePBImpl (
+      RenewDelegationTokenResponseProto proto) {
+    this.proto = proto;
+    this.viaProto = true;
+  }
+
+  @Override
+  public RenewDelegationTokenResponseProto getProto() {
+    proto = viaProto ? proto : builder.build();
+    viaProto = true;
+    return proto;
+  }
+  
+  private void maybeInitBuilder() {
+    if (viaProto || builder == null) {
+      builder = RenewDelegationTokenResponseProto.newBuilder(proto);
+    }
+    viaProto = false;
+  }
+  
+  @Override
+  public long getNextExpirationTime() {
+    RenewDelegationTokenResponseProtoOrBuilder p = viaProto ? proto : builder;
+    return p.getNextExpiryTs();
+  }
+
+  @Override
+  public void setNextExpirationTime(long expTime) {
+    maybeInitBuilder();
+    builder.setNextExpiryTs(expTime);
+  }
+}

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/client_RM_protocol.proto
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/client_RM_protocol.proto?rev=1429085&r1=1429084&r2=1429085&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/client_RM_protocol.proto (original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/client_RM_protocol.proto Fri Jan  4 20:15:32 2013
@@ -34,5 +34,7 @@ service ClientRMProtocolService {
   rpc getQueueInfo (GetQueueInfoRequestProto) returns (GetQueueInfoResponseProto);
   rpc getQueueUserAcls (GetQueueUserAclsInfoRequestProto) returns (GetQueueUserAclsInfoResponseProto);
   rpc getDelegationToken(GetDelegationTokenRequestProto) returns (GetDelegationTokenResponseProto);
+  rpc renewDelegationToken(RenewDelegationTokenRequestProto) returns (RenewDelegationTokenResponseProto);
+  rpc cancelDelegationToken(CancelDelegationTokenRequestProto) returns (CancelDelegationTokenResponseProto);
 }
 

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_service_protos.proto
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_service_protos.proto?rev=1429085&r1=1429084&r2=1429085&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_service_protos.proto (original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_service_protos.proto Fri Jan  4 20:15:32 2013
@@ -147,6 +147,22 @@ message GetDelegationTokenResponseProto 
   optional DelegationTokenProto application_token = 1;
 }
 
+message RenewDelegationTokenRequestProto {
+  required DelegationTokenProto delegation_token = 1;
+}
+
+message RenewDelegationTokenResponseProto {
+  required int64 next_expiry_ts = 1;
+}
+
+message CancelDelegationTokenRequestProto {
+  required DelegationTokenProto delegation_token = 1;
+}
+
+message CancelDelegationTokenResponseProto {
+}
+  
+
 //////////////////////////////////////////////////////
 /////// client_NM_Protocol ///////////////////////////
 //////////////////////////////////////////////////////

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/YarnClientImpl.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/YarnClientImpl.java?rev=1429085&r1=1429084&r2=1429085&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/YarnClientImpl.java (original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/YarnClientImpl.java Fri Jan  4 20:15:32 2013
@@ -25,11 +25,13 @@ import java.util.List;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.classification.InterfaceStability;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.io.Text;
 import org.apache.hadoop.ipc.RPC;
 import org.apache.hadoop.yarn.api.ClientRMProtocol;
+import org.apache.hadoop.yarn.api.protocolrecords.CancelDelegationTokenRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetAllApplicationsRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetAllApplicationsResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportRequest;
@@ -45,6 +47,8 @@ import org.apache.hadoop.yarn.api.protoc
 import org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
@@ -72,7 +76,12 @@ public class YarnClientImpl extends Abst
   private static final String ROOT = "root";
 
   public YarnClientImpl() {
+    this(null);
+  }
+  
+  public YarnClientImpl(InetSocketAddress rmAddress) {
     super(YarnClientImpl.class.getName());
+    this.rmAddress = rmAddress;
   }
 
   private static InetSocketAddress getRmAddress(Configuration conf) {
@@ -82,7 +91,9 @@ public class YarnClientImpl extends Abst
 
   @Override
   public synchronized void init(Configuration conf) {
-    this.rmAddress = getRmAddress(conf);
+    if (this.rmAddress == null) {
+      this.rmAddress = getRmAddress(conf);
+    }
     super.init(conf);
   }
 
@@ -90,16 +101,19 @@ public class YarnClientImpl extends Abst
   public synchronized void start() {
     YarnRPC rpc = YarnRPC.create(getConfig());
 
-    this.rmClient =
-        (ClientRMProtocol) rpc.getProxy(ClientRMProtocol.class, rmAddress,
-          getConfig());
-    LOG.debug("Connecting to ResourceManager at " + rmAddress);
+    this.rmClient = (ClientRMProtocol) rpc.getProxy(
+        ClientRMProtocol.class, rmAddress, getConfig());
+    if (LOG.isDebugEnabled()) {
+      LOG.debug("Connecting to ResourceManager at " + rmAddress);
+    }
     super.start();
   }
 
   @Override
   public synchronized void stop() {
-    RPC.stopProxy(this.rmClient);
+    if (this.rmClient != null) {
+      RPC.stopProxy(this.rmClient);
+    }
     super.stop();
   }
 
@@ -184,6 +198,31 @@ public class YarnClientImpl extends Abst
     return response.getRMDelegationToken();
   }
 
+
+  // Not part of YarnClient itself. Placed in YarnClientImpl while renew/cancel
+  // are part of ClientRMProtocol.
+  @Private
+  public long renewRMDelegationToken(DelegationToken rmToken)
+      throws YarnRemoteException {
+    RenewDelegationTokenRequest request = Records
+        .newRecord(RenewDelegationTokenRequest.class);
+    request.setDelegationToken(rmToken);
+    RenewDelegationTokenResponse response = rmClient
+        .renewDelegationToken(request);
+    return response.getNextExpirationTime();
+  }
+
+  // Not part of YarnClient itself. Placed in YarnClientImpl while renew/cancel
+  // are part of ClietnRMProtocol
+  @Private
+  public void cancelRMDelegationToken(DelegationToken rmToken)
+      throws YarnRemoteException {
+    CancelDelegationTokenRequest request = Records
+        .newRecord(CancelDelegationTokenRequest.class);
+    request.setDelegationToken(rmToken);
+    rmClient.cancelDelegationToken(request);
+  }
+
   private GetQueueInfoRequest
       getQueueInfoRequest(String queueName, boolean includeApplications,
           boolean includeChildQueues, boolean recursive) {

Added: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/security/RMDelegationTokenRenewer.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/security/RMDelegationTokenRenewer.java?rev=1429085&view=auto
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/security/RMDelegationTokenRenewer.java (added)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/security/RMDelegationTokenRenewer.java Fri Jan  4 20:15:32 2013
@@ -0,0 +1,83 @@
+/**
+ * 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.yarn.security;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.security.SecurityUtil;
+import org.apache.hadoop.security.token.Token;
+import org.apache.hadoop.security.token.TokenRenewer;
+import org.apache.hadoop.yarn.api.records.DelegationToken;
+import org.apache.hadoop.yarn.client.YarnClientImpl;
+import org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier;
+import org.apache.hadoop.yarn.util.BuilderUtils;
+
+public class RMDelegationTokenRenewer extends TokenRenewer {
+
+  @Override
+  public boolean handleKind(Text kind) {
+    return RMDelegationTokenIdentifier.KIND_NAME.equals(kind);
+  }
+
+  @Override
+  public boolean isManaged(Token<?> token) throws IOException {
+    return true;
+  }
+
+  @Override
+  public long renew(Token<?> token, Configuration conf) throws IOException,
+      InterruptedException {
+    YarnClientImpl yarnClient = getYarnClient(conf,
+        SecurityUtil.getTokenServiceAddr(token));
+    try {
+      DelegationToken dToken = BuilderUtils.newDelegationToken(
+          token.getIdentifier(), token.getKind().toString(),
+          token.getPassword(), token.getService().toString());
+      return yarnClient.renewRMDelegationToken(dToken);
+    } finally {
+      yarnClient.stop();
+    }
+  }
+
+  @Override
+  public void cancel(Token<?> token, Configuration conf) throws IOException,
+      InterruptedException {
+    YarnClientImpl yarnClient = getYarnClient(conf,
+        SecurityUtil.getTokenServiceAddr(token));
+    try {
+      DelegationToken dToken = BuilderUtils.newDelegationToken(
+          token.getIdentifier(), token.getKind().toString(),
+          token.getPassword(), token.getService().toString());
+      yarnClient.cancelRMDelegationToken(dToken);
+      return;
+    } finally {
+      yarnClient.stop();
+    }
+  }
+
+  private YarnClientImpl getYarnClient(Configuration conf,
+      InetSocketAddress rmAddress) {
+    YarnClientImpl yarnClient = new YarnClientImpl(rmAddress);
+    yarnClient.init(conf);
+    yarnClient.start();
+    return yarnClient;
+  }
+}
\ No newline at end of file

Added: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/resources/META-INF/services/org.apache.hadoop.security.token.TokenRenewer
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/resources/META-INF/services/org.apache.hadoop.security.token.TokenRenewer?rev=1429085&view=auto
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/resources/META-INF/services/org.apache.hadoop.security.token.TokenRenewer (added)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/resources/META-INF/services/org.apache.hadoop.security.token.TokenRenewer Fri Jan  4 20:15:32 2013
@@ -0,0 +1 @@
+org.apache.hadoop.yarn.security.RMDelegationTokenRenewer;

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/impl/pb/client/ClientRMProtocolPBClientImpl.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/impl/pb/client/ClientRMProtocolPBClientImpl.java?rev=1429085&r1=1429084&r2=1429085&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/impl/pb/client/ClientRMProtocolPBClientImpl.java (original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/impl/pb/client/ClientRMProtocolPBClientImpl.java Fri Jan  4 20:15:32 2013
@@ -27,6 +27,8 @@ import org.apache.hadoop.ipc.ProtobufRpc
 import org.apache.hadoop.ipc.RPC;
 import org.apache.hadoop.yarn.api.ClientRMProtocol;
 import org.apache.hadoop.yarn.api.ClientRMProtocolPB;
+import org.apache.hadoop.yarn.api.protocolrecords.CancelDelegationTokenRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.CancelDelegationTokenResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.GetAllApplicationsRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetAllApplicationsResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportRequest;
@@ -45,8 +47,12 @@ import org.apache.hadoop.yarn.api.protoc
 import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.CancelDelegationTokenRequestPBImpl;
+import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.CancelDelegationTokenResponsePBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetAllApplicationsRequestPBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetAllApplicationsResponsePBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetApplicationReportRequestPBImpl;
@@ -65,10 +71,13 @@ import org.apache.hadoop.yarn.api.protoc
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetQueueUserAclsInfoResponsePBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.KillApplicationRequestPBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.KillApplicationResponsePBImpl;
+import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.RenewDelegationTokenRequestPBImpl;
+import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.RenewDelegationTokenResponsePBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.SubmitApplicationRequestPBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.SubmitApplicationResponsePBImpl;
 import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
 import org.apache.hadoop.yarn.exceptions.impl.pb.YarnRemoteExceptionPBImpl;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.CancelDelegationTokenRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetAllApplicationsRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetApplicationReportRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetClusterMetricsRequestProto;
@@ -78,6 +87,7 @@ import org.apache.hadoop.yarn.proto.Yarn
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetQueueInfoRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetQueueUserAclsInfoRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.KillApplicationRequestProto;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.RenewDelegationTokenRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.SubmitApplicationRequestProto;
 
 import com.google.protobuf.ServiceException;
@@ -233,4 +243,31 @@ public class ClientRMProtocolPBClientImp
       throw YarnRemoteExceptionPBImpl.unwrapAndThrowException(e);
     }
   }
+
+  @Override
+  public RenewDelegationTokenResponse renewDelegationToken(
+      RenewDelegationTokenRequest request) throws YarnRemoteException {
+    RenewDelegationTokenRequestProto requestProto = 
+        ((RenewDelegationTokenRequestPBImpl) request).getProto();
+    try {
+      return new RenewDelegationTokenResponsePBImpl(proxy.renewDelegationToken(
+          null, requestProto));
+    } catch (ServiceException e) {
+      throw YarnRemoteExceptionPBImpl.unwrapAndThrowException(e);
+    }
+  }
+
+  @Override
+  public CancelDelegationTokenResponse cancelDelegationToken(
+      CancelDelegationTokenRequest request) throws YarnRemoteException {
+    CancelDelegationTokenRequestProto requestProto =
+        ((CancelDelegationTokenRequestPBImpl) request).getProto();
+    try {
+      return new CancelDelegationTokenResponsePBImpl(
+          proxy.cancelDelegationToken(null, requestProto));
+
+    } catch (ServiceException e) {
+      throw YarnRemoteExceptionPBImpl.unwrapAndThrowException(e);
+    }
+  }
 }

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/impl/pb/service/ClientRMProtocolPBServiceImpl.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/impl/pb/service/ClientRMProtocolPBServiceImpl.java?rev=1429085&r1=1429084&r2=1429085&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/impl/pb/service/ClientRMProtocolPBServiceImpl.java (original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/impl/pb/service/ClientRMProtocolPBServiceImpl.java Fri Jan  4 20:15:32 2013
@@ -20,6 +20,7 @@ package org.apache.hadoop.yarn.api.impl.
 
 import org.apache.hadoop.yarn.api.ClientRMProtocol;
 import org.apache.hadoop.yarn.api.ClientRMProtocolPB;
+import org.apache.hadoop.yarn.api.protocolrecords.CancelDelegationTokenResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.GetAllApplicationsResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.GetClusterMetricsResponse;
@@ -29,7 +30,10 @@ import org.apache.hadoop.yarn.api.protoc
 import org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.CancelDelegationTokenRequestPBImpl;
+import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.CancelDelegationTokenResponsePBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetAllApplicationsRequestPBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetAllApplicationsResponsePBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetApplicationReportRequestPBImpl;
@@ -48,9 +52,13 @@ import org.apache.hadoop.yarn.api.protoc
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetQueueUserAclsInfoResponsePBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.KillApplicationRequestPBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.KillApplicationResponsePBImpl;
+import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.RenewDelegationTokenRequestPBImpl;
+import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.RenewDelegationTokenResponsePBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.SubmitApplicationRequestPBImpl;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.SubmitApplicationResponsePBImpl;
 import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.CancelDelegationTokenRequestProto;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.CancelDelegationTokenResponseProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetAllApplicationsRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetAllApplicationsResponseProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetApplicationReportRequestProto;
@@ -69,6 +77,8 @@ import org.apache.hadoop.yarn.proto.Yarn
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetQueueUserAclsInfoResponseProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.KillApplicationRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.KillApplicationResponseProto;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.RenewDelegationTokenRequestProto;
+import org.apache.hadoop.yarn.proto.YarnServiceProtos.RenewDelegationTokenResponseProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.SubmitApplicationRequestProto;
 import org.apache.hadoop.yarn.proto.YarnServiceProtos.SubmitApplicationResponseProto;
 
@@ -212,4 +222,32 @@ public class ClientRMProtocolPBServiceIm
         throw new ServiceException(e);
       }
   }
+
+  @Override
+  public RenewDelegationTokenResponseProto renewDelegationToken(
+      RpcController controller, RenewDelegationTokenRequestProto proto)
+      throws ServiceException {
+    RenewDelegationTokenRequestPBImpl request =
+        new RenewDelegationTokenRequestPBImpl(proto);
+      try {
+        RenewDelegationTokenResponse response = real.renewDelegationToken(request);
+        return ((RenewDelegationTokenResponsePBImpl)response).getProto();
+      } catch (YarnRemoteException e) {
+        throw new ServiceException(e);
+      }
+  }
+
+  @Override
+  public CancelDelegationTokenResponseProto cancelDelegationToken(
+      RpcController controller, CancelDelegationTokenRequestProto proto)
+      throws ServiceException {
+    CancelDelegationTokenRequestPBImpl request =
+        new CancelDelegationTokenRequestPBImpl(proto);
+      try {
+        CancelDelegationTokenResponse response = real.cancelDelegationToken(request);
+        return ((CancelDelegationTokenResponsePBImpl)response).getProto();
+      } catch (YarnRemoteException e) {
+        throw new ServiceException(e);
+      }
+  }
 }

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ClientRMService.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ClientRMService.java?rev=1429085&r1=1429084&r2=1429085&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ClientRMService.java (original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ClientRMService.java Fri Jan  4 20:15:32 2013
@@ -23,6 +23,7 @@ import java.net.InetSocketAddress;
 import java.security.AccessControlException;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.EnumSet;
 import java.util.List;
 import java.util.concurrent.atomic.AtomicInteger;
 
@@ -39,6 +40,8 @@ import org.apache.hadoop.security.author
 import org.apache.hadoop.security.token.Token;
 import org.apache.hadoop.util.ExitUtil;
 import org.apache.hadoop.yarn.api.ClientRMProtocol;
+import org.apache.hadoop.yarn.api.protocolrecords.CancelDelegationTokenRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.CancelDelegationTokenResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.GetAllApplicationsRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetAllApplicationsResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationReportRequest;
@@ -57,12 +60,15 @@ import org.apache.hadoop.yarn.api.protoc
 import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationResponse;
 import org.apache.hadoop.yarn.api.records.ApplicationAccessType;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
 import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
+import org.apache.hadoop.yarn.api.records.DelegationToken;
 import org.apache.hadoop.yarn.api.records.NodeReport;
 import org.apache.hadoop.yarn.api.records.QueueInfo;
 import org.apache.hadoop.yarn.api.records.Resource;
@@ -87,6 +93,7 @@ import org.apache.hadoop.yarn.server.res
 import org.apache.hadoop.yarn.server.security.ApplicationACLsManager;
 import org.apache.hadoop.yarn.service.AbstractService;
 import org.apache.hadoop.yarn.util.BuilderUtils;
+import org.apache.hadoop.yarn.util.Records;
 
 
 /**
@@ -105,7 +112,7 @@ public class ClientRMService extends Abs
   private final RMAppManager rmAppManager;
 
   private Server server;
-  private RMDelegationTokenSecretManager rmDTSecretManager;
+  protected RMDelegationTokenSecretManager rmDTSecretManager;
 
   private final RecordFactory recordFactory = RecordFactoryProvider.getRecordFactory(null);
   InetSocketAddress clientBindAddress;
@@ -122,16 +129,13 @@ public class ClientRMService extends Abs
     this.applicationsACLsManager = applicationACLsManager;
     this.rmDTSecretManager = rmDTSecretManager;
   }
-  
+
   @Override
   public void init(Configuration conf) {
-    clientBindAddress = conf.getSocketAddr(
-        YarnConfiguration.RM_ADDRESS,
-        YarnConfiguration.DEFAULT_RM_ADDRESS,
-        YarnConfiguration.DEFAULT_RM_PORT);
+    clientBindAddress = getBindAddress(conf);
     super.init(conf);
   }
-  
+
   @Override
   public void start() {
     Configuration conf = getConfig();
@@ -156,6 +160,20 @@ public class ClientRMService extends Abs
     super.start();
   }
 
+  @Override
+  public void stop() {
+    if (this.server != null) {
+        this.server.stop();
+    }
+    super.stop();
+  }
+
+  InetSocketAddress getBindAddress(Configuration conf) {
+    return conf.getSocketAddr(YarnConfiguration.RM_ADDRESS,
+            YarnConfiguration.DEFAULT_RM_ADDRESS,
+            YarnConfiguration.DEFAULT_RM_PORT);
+  }
+
   @Private
   public InetSocketAddress getBindAddress() {
     return clientBindAddress;
@@ -455,10 +473,7 @@ public class ClientRMService extends Abs
     try {
 
       // Verify that the connection is kerberos authenticated
-      AuthenticationMethod authMethod = UserGroupInformation
-        .getRealAuthenticationMethod(UserGroupInformation.getCurrentUser());
-      if (UserGroupInformation.isSecurityEnabled()
-          && (authMethod != AuthenticationMethod.KERBEROS)) {
+      if (!isAllowedDelegationTokenOp()) {
         throw new IOException(
           "Delegation Token can be issued only with kerberos authentication");
       }
@@ -490,17 +505,66 @@ public class ClientRMService extends Abs
     }
   }
 
+  @Override
+  public RenewDelegationTokenResponse renewDelegationToken(
+      RenewDelegationTokenRequest request) throws YarnRemoteException {
+    try {
+      if (!isAllowedDelegationTokenOp()) {
+        throw new IOException(
+            "Delegation Token can be renewed only with kerberos authentication");
+      }
+      
+      DelegationToken protoToken = request.getDelegationToken();
+      Token<RMDelegationTokenIdentifier> token = new Token<RMDelegationTokenIdentifier>(
+          protoToken.getIdentifier().array(), protoToken.getPassword().array(),
+          new Text(protoToken.getKind()), new Text(protoToken.getService()));
+
+      String user = UserGroupInformation.getCurrentUser().getShortUserName();
+      long nextExpTime = rmDTSecretManager.renewToken(token, user);
+      RenewDelegationTokenResponse renewResponse = Records
+          .newRecord(RenewDelegationTokenResponse.class);
+      renewResponse.setNextExpirationTime(nextExpTime);
+      return renewResponse;
+    } catch (IOException e) {
+      throw RPCUtil.getRemoteException(e);
+    }
+  }
+
+  @Override
+  public CancelDelegationTokenResponse cancelDelegationToken(
+      CancelDelegationTokenRequest request) throws YarnRemoteException {
+    try {
+      if (!isAllowedDelegationTokenOp()) {
+        throw new IOException(
+            "Delegation Token can be cancelled only with kerberos authentication");
+      }
+      DelegationToken protoToken = request.getDelegationToken();
+      Token<RMDelegationTokenIdentifier> token = new Token<RMDelegationTokenIdentifier>(
+          protoToken.getIdentifier().array(), protoToken.getPassword().array(),
+          new Text(protoToken.getKind()), new Text(protoToken.getService()));
+
+      String user = UserGroupInformation.getCurrentUser().getShortUserName();
+      rmDTSecretManager.cancelToken(token, user);
+      return Records.newRecord(CancelDelegationTokenResponse.class);
+    } catch (IOException e) {
+      throw RPCUtil.getRemoteException(e);
+    }
+  }
+
   void refreshServiceAcls(Configuration configuration, 
       PolicyProvider policyProvider) {
     this.server.refreshServiceAcl(configuration, policyProvider);
   }
-  
-  @Override
-  public void stop() {
-    if (this.server != null) {
-        this.server.stop();
+
+  private boolean isAllowedDelegationTokenOp() throws IOException {
+    if (UserGroupInformation.isSecurityEnabled()) {
+      return EnumSet.of(AuthenticationMethod.KERBEROS,
+                        AuthenticationMethod.KERBEROS_SSL,
+                        AuthenticationMethod.CERTIFICATE)
+          .contains(UserGroupInformation.getCurrentUser()
+                  .getRealAuthenticationMethod());
+    } else {
+      return true;
     }
-    super.stop();
   }
-  
 }

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java?rev=1429085&r1=1429084&r2=1429085&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java (original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java Fri Jan  4 20:15:32 2013
@@ -47,10 +47,10 @@ import org.apache.hadoop.yarn.server.RMD
 import org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncherEventType;
 import org.apache.hadoop.yarn.server.resourcemanager.amlauncher.ApplicationMasterLauncher;
 import org.apache.hadoop.yarn.server.resourcemanager.recovery.NullRMStateStore;
-import org.apache.hadoop.yarn.server.resourcemanager.recovery.Recoverable;
 import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore;
 import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.RMState;
 import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStoreFactory;
+import org.apache.hadoop.yarn.server.resourcemanager.recovery.Recoverable;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppEventType;
@@ -66,8 +66,8 @@ import org.apache.hadoop.yarn.server.res
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEventType;
 import org.apache.hadoop.yarn.server.resourcemanager.security.ApplicationTokenSecretManager;
-import org.apache.hadoop.yarn.server.resourcemanager.security.DelegationTokenRenewer;
 import org.apache.hadoop.yarn.server.resourcemanager.security.ClientToAMTokenSecretManagerInRM;
+import org.apache.hadoop.yarn.server.resourcemanager.security.DelegationTokenRenewer;
 import org.apache.hadoop.yarn.server.resourcemanager.security.RMContainerTokenSecretManager;
 import org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWebApp;
 import org.apache.hadoop.yarn.server.security.ApplicationACLsManager;

Added: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClientRMTokens.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClientRMTokens.java?rev=1429085&view=auto
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClientRMTokens.java (added)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClientRMTokens.java Fri Jan  4 20:15:32 2013
@@ -0,0 +1,320 @@
+/**
+ * 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.yarn.server.resourcemanager;
+
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+
+import java.io.IOException;
+import java.lang.reflect.UndeclaredThrowableException;
+import java.net.InetSocketAddress;
+import java.security.PrivilegedAction;
+import java.security.PrivilegedExceptionAction;
+
+import junit.framework.Assert;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
+import org.apache.hadoop.ipc.RPC;
+import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod;
+import org.apache.hadoop.yarn.api.ClientRMProtocol;
+import org.apache.hadoop.yarn.api.protocolrecords.CancelDelegationTokenRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.GetDelegationTokenRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.RenewDelegationTokenRequest;
+import org.apache.hadoop.yarn.api.records.DelegationToken;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.exceptions.YarnRemoteException;
+import org.apache.hadoop.yarn.ipc.YarnRPC;
+import org.apache.hadoop.yarn.server.RMDelegationTokenSecretManager;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
+import org.apache.hadoop.yarn.server.security.ApplicationACLsManager;
+import org.apache.hadoop.yarn.util.BuilderUtils;
+import org.apache.hadoop.yarn.util.ProtoUtils;
+import org.apache.hadoop.yarn.util.Records;
+import org.junit.Test;
+
+
+public class TestClientRMTokens {
+
+  private static final Log LOG = LogFactory.getLog(TestClientRMTokens.class);
+  
+  
+  @Test
+  public void testDelegationToken() throws IOException, InterruptedException {
+    
+    final YarnConfiguration conf = new YarnConfiguration();
+    conf.set(YarnConfiguration.RM_PRINCIPAL, "testuser/localhost@apache.org");
+
+    conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHENTICATION, "kerberos");
+    UserGroupInformation.setConfiguration(conf);
+    
+    ResourceScheduler scheduler = createMockScheduler(conf);
+    
+    long initialInterval = 10000l;
+    long maxLifetime= 20000l;
+    long renewInterval = 10000l;
+
+    RMDelegationTokenSecretManager rmDtSecretManager = createRMDelegationTokenSecretManager(
+        initialInterval, maxLifetime, renewInterval);
+    rmDtSecretManager.startThreads();
+    LOG.info("Creating DelegationTokenSecretManager with initialInterval: "
+        + initialInterval + ", maxLifetime: " + maxLifetime
+        + ", renewInterval: " + renewInterval);
+
+    final ClientRMService clientRMService = new ClientRMServiceForTest(conf,
+        scheduler, rmDtSecretManager);
+    clientRMService.init(conf);
+    clientRMService.start();
+
+    ClientRMProtocol clientRMWithDT = null;
+    try {
+
+      // Create a user for the renewr and fake the authentication-method
+      UserGroupInformation loggedInUser = UserGroupInformation
+          .createRemoteUser("testrenewer@APACHE.ORG");
+      Assert.assertEquals("testrenewer", loggedInUser.getShortUserName());
+      // Default realm is APACHE.ORG
+      loggedInUser.setAuthenticationMethod(AuthenticationMethod.KERBEROS);
+
+      
+      DelegationToken token = getDelegationToken(loggedInUser, clientRMService,
+          loggedInUser.getShortUserName());
+      long tokenFetchTime = System.currentTimeMillis();
+      LOG.info("Got delegation token at: " + tokenFetchTime);
+ 
+      // Now try talking to RMService using the delegation token
+      clientRMWithDT = getClientRMProtocolWithDT(token,
+          clientRMService.getBindAddress(), "loginuser1", conf);
+
+      GetNewApplicationRequest request = Records.newRecord(GetNewApplicationRequest.class);
+      
+      try {
+        clientRMWithDT.getNewApplication(request);
+      } catch (UndeclaredThrowableException e) {
+        fail("Unexpected exception" + e);
+      }
+      
+      // Renew after 50% of token age.
+      while(System.currentTimeMillis() < tokenFetchTime + initialInterval / 2) {
+        Thread.sleep(500l);
+      }
+      long nextExpTime = renewDelegationToken(loggedInUser, clientRMService, token);
+      long renewalTime = System.currentTimeMillis();
+      LOG.info("Renewed token at: " + renewalTime + ", NextExpiryTime: "
+          + nextExpTime);
+
+      // Wait for first expiry, but before renewed expiry.
+      while (System.currentTimeMillis() > tokenFetchTime + initialInterval
+          && System.currentTimeMillis() < nextExpTime) {
+        Thread.sleep(500l);
+      }
+      Thread.sleep(50l);
+      
+      // Valid token because of renewal.
+      try {
+        clientRMWithDT.getNewApplication(request);
+      } catch (UndeclaredThrowableException e) {
+        fail("Unexpected exception" + e);
+      }
+      
+      // Wait for expiry.
+      while(System.currentTimeMillis() < renewalTime + renewInterval) {
+        Thread.sleep(500l);
+      }
+      Thread.sleep(50l);
+      LOG.info("At time: " + System.currentTimeMillis() + ", token should be invalid");
+      // Token should have expired.      
+      try {
+        clientRMWithDT.getNewApplication(request);
+        fail("Should not have succeeded with an expired token");
+      } catch (UndeclaredThrowableException e) {
+        assertTrue(e.getCause().getMessage().contains("is expired"));
+      }
+
+      // Test cancellation
+      // Stop the existing proxy, start another.
+      if (clientRMWithDT != null) {
+        RPC.stopProxy(clientRMWithDT);
+        clientRMWithDT = null;
+      }
+      token = getDelegationToken(loggedInUser, clientRMService,
+          loggedInUser.getShortUserName());
+      tokenFetchTime = System.currentTimeMillis();
+      LOG.info("Got delegation token at: " + tokenFetchTime);
+ 
+      // Now try talking to RMService using the delegation token
+      clientRMWithDT = getClientRMProtocolWithDT(token,
+          clientRMService.getBindAddress(), "loginuser2", conf);
+
+      request = Records.newRecord(GetNewApplicationRequest.class);
+      
+      try {
+        clientRMWithDT.getNewApplication(request);
+      } catch (UndeclaredThrowableException e) {
+        fail("Unexpected exception" + e);
+      }
+      cancelDelegationToken(loggedInUser, clientRMService, token);
+      if (clientRMWithDT != null) {
+        RPC.stopProxy(clientRMWithDT);
+        clientRMWithDT = null;
+      } 
+      
+      // Creating a new connection.
+      clientRMWithDT = getClientRMProtocolWithDT(token,
+          clientRMService.getBindAddress(), "loginuser2", conf);
+      LOG.info("Cancelled delegation token at: " + System.currentTimeMillis());
+      // Verify cancellation worked.
+      try {
+        clientRMWithDT.getNewApplication(request);
+        fail("Should not have succeeded with a cancelled delegation token");
+      } catch (UndeclaredThrowableException e) {
+      }
+
+
+
+    } finally {
+      rmDtSecretManager.stopThreads();
+      // TODO PRECOMMIT Close proxies.
+      if (clientRMWithDT != null) {
+        RPC.stopProxy(clientRMWithDT);
+      }
+    }
+    
+  }
+  
+  // Get the delegation token directly as it is a little difficult to setup
+  // the kerberos based rpc.
+  private DelegationToken getDelegationToken(
+      final UserGroupInformation loggedInUser,
+      final ClientRMProtocol clientRMService, final String renewerString)
+      throws IOException, InterruptedException {
+    DelegationToken token = loggedInUser
+        .doAs(new PrivilegedExceptionAction<DelegationToken>() {
+          @Override
+          public DelegationToken run() throws YarnRemoteException {
+            GetDelegationTokenRequest request = Records
+                .newRecord(GetDelegationTokenRequest.class);
+            request.setRenewer(renewerString);
+            return clientRMService.getDelegationToken(request)
+                .getRMDelegationToken();
+          }
+        });
+    return token;
+  }
+  
+  private long renewDelegationToken(final UserGroupInformation loggedInUser,
+      final ClientRMProtocol clientRMService, final DelegationToken dToken)
+      throws IOException, InterruptedException {
+    long nextExpTime = loggedInUser.doAs(new PrivilegedExceptionAction<Long>() {
+      @Override
+      public Long run() throws YarnRemoteException {
+        RenewDelegationTokenRequest request = Records
+            .newRecord(RenewDelegationTokenRequest.class);
+        request.setDelegationToken(dToken);
+        return clientRMService.renewDelegationToken(request)
+            .getNextExpirationTime();
+      }
+    });
+    return nextExpTime;
+  }
+  
+  private void cancelDelegationToken(final UserGroupInformation loggedInUser,
+      final ClientRMProtocol clientRMService, final DelegationToken dToken)
+      throws IOException, InterruptedException {
+    loggedInUser.doAs(new PrivilegedExceptionAction<Void>() {
+      @Override
+      public Void run() throws YarnRemoteException {
+        CancelDelegationTokenRequest request = Records
+            .newRecord(CancelDelegationTokenRequest.class);
+        request.setDelegationToken(dToken);
+        clientRMService.cancelDelegationToken(request);
+        return null;
+      }
+    });
+  }
+  
+  private ClientRMProtocol getClientRMProtocolWithDT(DelegationToken token,
+      final InetSocketAddress rmAddress, String user, final Configuration conf) {
+    // Maybe consider converting to Hadoop token, serialize de-serialize etc
+    // before trying to renew the token.
+
+    UserGroupInformation ugi = UserGroupInformation
+        .createRemoteUser(user);
+    ugi.addToken(ProtoUtils.convertFromProtoFormat(token, rmAddress));
+
+    final YarnRPC rpc = YarnRPC.create(conf);
+    ClientRMProtocol clientRMWithDT = ugi
+        .doAs(new PrivilegedAction<ClientRMProtocol>() {
+          @Override
+          public ClientRMProtocol run() {
+            return (ClientRMProtocol) rpc.getProxy(ClientRMProtocol.class,
+                rmAddress, conf);
+          }
+        });
+    return clientRMWithDT;
+  }
+  
+  class ClientRMServiceForTest extends ClientRMService {
+    
+    public ClientRMServiceForTest(Configuration conf,
+        ResourceScheduler scheduler,
+        RMDelegationTokenSecretManager rmDTSecretManager) {
+      super(mock(RMContext.class), scheduler, mock(RMAppManager.class),
+          new ApplicationACLsManager(conf), rmDTSecretManager);
+    }
+
+    // Use a random port unless explicitly specified.
+    @Override
+    InetSocketAddress getBindAddress(Configuration conf) {
+      return conf.getSocketAddr(YarnConfiguration.RM_ADDRESS,
+          YarnConfiguration.DEFAULT_RM_ADDRESS, 0);
+    }
+
+    @Override
+    public void stop() {
+      if (rmDTSecretManager != null) {
+        rmDTSecretManager.stopThreads();
+      }
+      super.stop();
+    }
+
+    
+  }
+
+  private static ResourceScheduler createMockScheduler(Configuration conf) {
+    ResourceScheduler mockSched = mock(ResourceScheduler.class);
+    doReturn(BuilderUtils.newResource(512)).when(mockSched)
+        .getMinimumResourceCapability();
+    doReturn(BuilderUtils.newResource(5120)).when(mockSched)
+        .getMaximumResourceCapability();
+    return mockSched;
+  }
+
+  private static RMDelegationTokenSecretManager createRMDelegationTokenSecretManager(
+      long secretKeyInterval, long tokenMaxLifetime, long tokenRenewInterval) {
+    RMDelegationTokenSecretManager rmDtSecretManager = new RMDelegationTokenSecretManager(
+        secretKeyInterval, tokenMaxLifetime, tokenRenewInterval, 3600000);
+    return rmDtSecretManager;
+  }
+}



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