merge YARN-716 from trunk. Fixed unit test failures - TestDistributedShell and TestUnmanagedAMLauncher. Contributed by Vinod Kumar Vavilapalli.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1485580 13f79535-47bb-0310-9956-ffa450edef68

hadoop-yarn-project/CHANGES.txt

@@ -326,6 +326,9 @@ Release 2.0.5-beta - UNRELEASED
 
     YARN-706. Fixed race conditions in TestFSDownload. (Zhijie Shen via vinodkv).
 
+    YARN-716. Fixed unit test failures - TestDistributedShell and
+    TestUnmanagedAMLauncher. (Vinod Kumar Vavilapalli via sseth)
+
 Release 2.0.4-alpha - 2013-04-25 
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/ApplicationMaster.java

@@ -24,6 +24,7 @@ import java.io.InputStreamReader;
 import java.net.InetSocketAddress;
 import java.net.URI;
 import java.net.URISyntaxException;
+import java.security.PrivilegedAction;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -38,23 +39,22 @@ import org.apache.commons.cli.Options;
 import org.apache.commons.cli.ParseException;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.classification.InterfaceStability;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.net.NetUtils;
+import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.hadoop.security.token.Token;
 import org.apache.hadoop.yarn.api.AMRMProtocol;
 import org.apache.hadoop.yarn.api.ApplicationConstants;
 import org.apache.hadoop.yarn.api.ApplicationConstants.Environment;
 import org.apache.hadoop.yarn.api.ContainerExitStatus;
 import org.apache.hadoop.yarn.api.ContainerManager;
-
 import org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.StartContainerRequest;
-
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.Container;
 import org.apache.hadoop.yarn.api.records.ContainerId;
@@ -74,7 +74,9 @@ import org.apache.hadoop.yarn.client.AMRMClientAsync;
 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.security.ContainerTokenIdentifier;
 import org.apache.hadoop.yarn.util.ConverterUtils;
+import org.apache.hadoop.yarn.util.ProtoUtils;
 import org.apache.hadoop.yarn.util.Records;
 
 /**
@@ -663,11 +665,23 @@ public class ApplicationMaster {
           + container.getId());
       String cmIpPortStr = container.getNodeId().getHost() + ":"
           + container.getNodeId().getPort();
-      InetSocketAddress cmAddress = NetUtils.createSocketAddr(cmIpPortStr);
+      final InetSocketAddress cmAddress =
+          NetUtils.createSocketAddr(cmIpPortStr);
       LOG.info("Connecting to ContainerManager at " + cmIpPortStr);
-      this.cm = ((ContainerManager) rpc.getProxy(ContainerManager.class,
+      UserGroupInformation ugi =
+          UserGroupInformation.createRemoteUser(container.getId().toString());
+      Token<ContainerTokenIdentifier> token =
+          ProtoUtils.convertFromProtoFormat(container.getContainerToken(),
+            cmAddress);
+      ugi.addToken(token);
+      this.cm = ugi.doAs(new PrivilegedAction<ContainerManager>() {
+        @Override
+        public ContainerManager run() {
+          return ((ContainerManager) rpc.getProxy(ContainerManager.class,
             cmAddress, conf));
         }
+      });
+    }
 
     @Override
     /**