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From jia...@apache.org
Subject hadoop git commit: YARN-3522. Fixed DistributedShell to instantiate TimeLineClient as the correct user. Contributed by Zhijie Shen (cherry picked from commit aa4a192feb8939353254d058c5f81bddbd0335c0)
Date Thu, 23 Apr 2015 18:08:24 GMT
Repository: hadoop
Updated Branches:
  refs/heads/branch-2.7 b3f2826bf -> b2568d69f


YARN-3522. Fixed DistributedShell to instantiate TimeLineClient as the correct user. Contributed
by Zhijie Shen
(cherry picked from commit aa4a192feb8939353254d058c5f81bddbd0335c0)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/b2568d69
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/b2568d69
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/b2568d69

Branch: refs/heads/branch-2.7
Commit: b2568d69fc3cf4e27746022a9f8967c10782fe3a
Parents: b3f2826
Author: Jian He <jianhe@apache.org>
Authored: Thu Apr 23 11:07:26 2015 -0700
Committer: Jian He <jianhe@apache.org>
Committed: Thu Apr 23 11:08:16 2015 -0700

----------------------------------------------------------------------
 hadoop-yarn-project/CHANGES.txt                 |  3 +
 .../distributedshell/ApplicationMaster.java     | 91 ++++++++++----------
 .../distributedshell/TestDSAppMaster.java       | 41 +++++++++
 .../distributedshell/TestDSFailedAppMaster.java |  2 +-
 .../hadoop/yarn/client/api/TimelineClient.java  | 10 +++
 .../client/api/impl/TimelineClientImpl.java     |  5 ++
 6 files changed, 107 insertions(+), 45 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/b2568d69/hadoop-yarn-project/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/CHANGES.txt b/hadoop-yarn-project/CHANGES.txt
index d065e9a..823102c 100644
--- a/hadoop-yarn-project/CHANGES.txt
+++ b/hadoop-yarn-project/CHANGES.txt
@@ -23,6 +23,9 @@ Release 2.7.1 - UNRELEASED
     YARN-2605. [RM HA] Rest api endpoints doing redirect incorrectly.
     (Xuan Gong via stevel)
 
+    YARN-3522. Fixed DistributedShell to instantiate TimeLineClient as the
+    correct user. (Zhijie Shen via jianhe)
+
 Release 2.7.0 - 2015-04-20
 
   INCOMPATIBLE CHANGES

http://git-wip-us.apache.org/repos/asf/hadoop/blob/b2568d69/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/ApplicationMaster.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/ApplicationMaster.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/ApplicationMaster.java
index a9a7091..f5b3d0a 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/ApplicationMaster.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/main/java/org/apache/hadoop/yarn/applications/distributedshell/ApplicationMaster.java
@@ -188,13 +188,14 @@ public class ApplicationMaster {
   private AMRMClientAsync amRMClient;
 
   // In both secure and non-secure modes, this points to the job-submitter.
-  private UserGroupInformation appSubmitterUgi;
+  @VisibleForTesting
+  UserGroupInformation appSubmitterUgi;
 
   // Handle to communicate with the Node Manager
   private NMClientAsync nmClientAsync;
   // Listen to process the response from the Node Manager
   private NMCallbackHandler containerListener;
-  
+
   // Application Attempt Id ( combination of attemptId and fail count )
   @VisibleForTesting
   protected ApplicationAttemptId appAttemptID;
@@ -270,7 +271,8 @@ public class ApplicationMaster {
   private List<Thread> launchThreads = new ArrayList<Thread>();
 
   // Timeline Client
-  private TimelineClient timelineClient;
+  @VisibleForTesting
+  TimelineClient timelineClient;
 
   private final String linux_bash_command = "bash";
   private final String windows_command = "cmd /c";
@@ -496,18 +498,6 @@ public class ApplicationMaster {
     }
     requestPriority = Integer.parseInt(cliParser
         .getOptionValue("priority", "0"));
-
-    if (conf.getBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED,
-      YarnConfiguration.DEFAULT_TIMELINE_SERVICE_ENABLED)) {
-      // Creating the Timeline Client
-      timelineClient = TimelineClient.createTimelineClient();
-      timelineClient.init(conf);
-      timelineClient.start();
-    } else {
-      timelineClient = null;
-      LOG.warn("Timeline service is not enabled");
-    }
-
     return true;
   }
 
@@ -527,7 +517,7 @@ public class ApplicationMaster {
    * @throws IOException
    */
   @SuppressWarnings({ "unchecked" })
-  public void run() throws YarnException, IOException {
+  public void run() throws YarnException, IOException, InterruptedException {
     LOG.info("Starting ApplicationMaster");
 
     // Note: Credentials, Token, UserGroupInformation, DataOutputBuffer class
@@ -554,11 +544,7 @@ public class ApplicationMaster {
     appSubmitterUgi =
         UserGroupInformation.createRemoteUser(appSubmitterUserName);
     appSubmitterUgi.addCredentials(credentials);
-    
-    if(timelineClient != null) {
-      publishApplicationAttemptEvent(timelineClient, appAttemptID.toString(),
-          DSEvent.DS_APP_ATTEMPT_START, domainId, appSubmitterUgi);
-    }
+
 
     AMRMClientAsync.CallbackHandler allocListener = new RMCallbackHandler();
     amRMClient = AMRMClientAsync.createAMRMClientAsync(1000, allocListener);
@@ -570,6 +556,12 @@ public class ApplicationMaster {
     nmClientAsync.init(conf);
     nmClientAsync.start();
 
+    startTimelineClient(conf);
+    if(timelineClient != null) {
+      publishApplicationAttemptEvent(timelineClient, appAttemptID.toString(),
+          DSEvent.DS_APP_ATTEMPT_START, domainId, appSubmitterUgi);
+    }
+
     // Setup local RPC Server to accept status requests directly from clients
     // TODO need to setup a protocol for client to be able to communicate to
     // the RPC server
@@ -624,10 +616,30 @@ public class ApplicationMaster {
       amRMClient.addContainerRequest(containerAsk);
     }
     numRequestedContainers.set(numTotalContainers);
+  }
 
-    if(timelineClient != null) {
-      publishApplicationAttemptEvent(timelineClient, appAttemptID.toString(),
-          DSEvent.DS_APP_ATTEMPT_END, domainId, appSubmitterUgi);
+  @VisibleForTesting
+  void startTimelineClient(final Configuration conf)
+      throws YarnException, IOException, InterruptedException {
+    try {
+      appSubmitterUgi.doAs(new PrivilegedExceptionAction<Void>() {
+        @Override
+        public Void run() throws Exception {
+          if (conf.getBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED,
+              YarnConfiguration.DEFAULT_TIMELINE_SERVICE_ENABLED)) {
+            // Creating the Timeline Client
+            timelineClient = TimelineClient.createTimelineClient();
+            timelineClient.init(conf);
+            timelineClient.start();
+          } else {
+            timelineClient = null;
+            LOG.warn("Timeline service is not enabled");
+          }
+          return null;
+        }
+      });
+    } catch (UndeclaredThrowableException e) {
+      throw new YarnException(e.getCause());
     }
   }
 
@@ -646,6 +658,11 @@ public class ApplicationMaster {
       } catch (InterruptedException ex) {}
     }
 
+    if(timelineClient != null) {
+      publishApplicationAttemptEvent(timelineClient, appAttemptID.toString(),
+          DSEvent.DS_APP_ATTEMPT_END, domainId, appSubmitterUgi);
+    }
+
     // Join all launched threads
     // needed for when we time out
     // and we need to release containers
@@ -1104,18 +1121,11 @@ public class ApplicationMaster {
     event.addEventInfo("State", container.getState().name());
     event.addEventInfo("Exit Status", container.getExitStatus());
     entity.addEvent(event);
-
     try {
-      ugi.doAs(new PrivilegedExceptionAction<TimelinePutResponse>() {
-        @Override
-        public TimelinePutResponse run() throws Exception {
-          return timelineClient.putEntities(entity);
-        }
-      });
-    } catch (Exception e) {
+      timelineClient.putEntities(entity);
+    } catch (YarnException | IOException e) {
       LOG.error("Container end event could not be published for "
-          + container.getContainerId().toString(),
-          e instanceof UndeclaredThrowableException ? e.getCause() : e);
+          + container.getContainerId().toString(), e);
     }
   }
 
@@ -1131,20 +1141,13 @@ public class ApplicationMaster {
     event.setEventType(appEvent.toString());
     event.setTimestamp(System.currentTimeMillis());
     entity.addEvent(event);
-
     try {
-      ugi.doAs(new PrivilegedExceptionAction<TimelinePutResponse>() {
-        @Override
-        public TimelinePutResponse run() throws Exception {
-          return timelineClient.putEntities(entity);
-        }
-      });
-    } catch (Exception e) {
+      timelineClient.putEntities(entity);
+    } catch (YarnException | IOException e) {
       LOG.error("App Attempt "
           + (appEvent.equals(DSEvent.DS_APP_ATTEMPT_START) ? "start" : "end")
           + " event could not be published for "
-          + appAttemptId.toString(),
-          e instanceof UndeclaredThrowableException ? e.getCause() : e);
+          + appAttemptId.toString(), e);
     }
   }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/b2568d69/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/test/java/org/apache/hadoop/yarn/applications/distributedshell/TestDSAppMaster.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/test/java/org/apache/hadoop/yarn/applications/distributedshell/TestDSAppMaster.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/test/java/org/apache/hadoop/yarn/applications/distributedshell/TestDSAppMaster.java
new file mode 100644
index 0000000..11e840a
--- /dev/null
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/test/java/org/apache/hadoop/yarn/applications/distributedshell/TestDSAppMaster.java
@@ -0,0 +1,41 @@
+/**
+ * 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.applications.distributedshell;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.hadoop.yarn.client.api.impl.TimelineClientImpl;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestDSAppMaster {
+
+  @Test
+  public void testTimelineClientInDSAppMaster() throws Exception {
+    ApplicationMaster appMaster = new ApplicationMaster();
+    appMaster.appSubmitterUgi =
+        UserGroupInformation.createUserForTesting("foo", new String[]{"bar"});
+    Configuration conf = new YarnConfiguration();
+    conf.setBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED, true);
+    appMaster.startTimelineClient(conf);
+    Assert.assertEquals(appMaster.appSubmitterUgi,
+        ((TimelineClientImpl)appMaster.timelineClient).getUgi());
+  }
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/b2568d69/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/test/java/org/apache/hadoop/yarn/applications/distributedshell/TestDSFailedAppMaster.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/test/java/org/apache/hadoop/yarn/applications/distributedshell/TestDSFailedAppMaster.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/test/java/org/apache/hadoop/yarn/applications/distributedshell/TestDSFailedAppMaster.java
index f3ab4b7..26022d4 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/test/java/org/apache/hadoop/yarn/applications/distributedshell/TestDSFailedAppMaster.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/test/java/org/apache/hadoop/yarn/applications/distributedshell/TestDSFailedAppMaster.java
@@ -29,7 +29,7 @@ public class TestDSFailedAppMaster extends ApplicationMaster {
   private static final Log LOG = LogFactory.getLog(TestDSFailedAppMaster.class);
 
   @Override
-  public void run() throws YarnException, IOException {
+  public void run() throws YarnException, IOException, InterruptedException {
     super.run();
 
     // for the 2nd attempt.

http://git-wip-us.apache.org/repos/asf/hadoop/blob/b2568d69/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/TimelineClient.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/TimelineClient.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/TimelineClient.java
index 0313f9e..386602e 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/TimelineClient.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/TimelineClient.java
@@ -23,6 +23,7 @@ import java.io.IOException;
 import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.classification.InterfaceAudience.Public;
 import org.apache.hadoop.classification.InterfaceStability.Unstable;
+import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.token.Token;
 import org.apache.hadoop.service.AbstractService;
 import org.apache.hadoop.yarn.api.records.timeline.TimelineEntity;
@@ -40,6 +41,15 @@ import org.apache.hadoop.yarn.security.client.TimelineDelegationTokenIdentifier;
 @Unstable
 public abstract class TimelineClient extends AbstractService {
 
+  /**
+   * Create a timeline client. The current UGI when the user initialize the
+   * client will be used to do the put and the delegation token operations. The
+   * current user may use {@link UserGroupInformation#doAs} another user to
+   * construct and initialize a timeline client if the following operations are
+   * supposed to be conducted by that user.
+   *
+   * @return a timeline client
+   */
   @Public
   public static TimelineClient createTimelineClient() {
     TimelineClient client = new TimelineClientImpl();

http://git-wip-us.apache.org/repos/asf/hadoop/blob/b2568d69/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/impl/TimelineClientImpl.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/impl/TimelineClientImpl.java
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/impl/TimelineClientImpl.java
index df6c7a4..0ac72dc 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/impl/TimelineClientImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/impl/TimelineClientImpl.java
@@ -642,4 +642,9 @@ public class TimelineClientImpl extends TimelineClient {
     new HelpFormatter().printHelp("TimelineClient", opts);
   }
 
+  @VisibleForTesting
+  @Private
+  public UserGroupInformation getUgi() {
+    return authUgi;
+  }
 }


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