YARN-1752. Fixed ApplicationMasterService to reject unregister request if AM did not register before. Contributed by Rohith Sharma.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1574623 13f79535-47bb-0310-9956-ffa450edef68

hadoop-yarn-project/CHANGES.txt

@@ -259,6 +259,9 @@ Release 2.4.0 - UNRELEASED
     YARN-1785. FairScheduler treats app lookup failures as ERRORs. 
     (bc Wong via kasha)
 
+    YARN-1752. Fixed ApplicationMasterService to reject unregister request if
+    AM did not register before. (Rohith Sharma via jianhe)
+
   OPTIMIZATIONS
 
   BUG FIXES

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/exceptions/InvalidApplicationMasterRequestException.java

@@ -24,10 +24,12 @@ import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterReque
 
 /**
  * This exception is thrown when an ApplicationMaster asks for resources by
- * calling {@link ApplicationMasterProtocol#allocate(AllocateRequest)} API
+ * calling {@link ApplicationMasterProtocol#allocate(AllocateRequest)} or tries
- * without first registering by calling
+ * to unregister by calling
+ * {@link ApplicationMasterProtocol#finishApplicationMaster(FinishApplicationMasterRequest)}
+ * API without first registering by calling
  * {@link ApplicationMasterProtocol#registerApplicationMaster(RegisterApplicationMasterRequest)}
- * or if it tries to register more then once.
+ * or if it tries to register more than once.
  */
 public class InvalidApplicationMasterRequestException extends YarnException {
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ApplicationMasterService.java

@@ -332,6 +332,19 @@ public class ApplicationMasterService extends AbstractService implements
 
     // Allow only one thread in AM to do finishApp at a time.
     synchronized (lock) {
+      if (!hasApplicationMasterRegistered(applicationAttemptId)) {
+        String message =
+            "Application Master is trying to unregister before registering for: "
+                + applicationAttemptId.getApplicationId();
+        LOG.error(message);
+        RMAuditLogger.logFailure(
+            this.rmContext.getRMApps()
+                .get(applicationAttemptId.getApplicationId()).getUser(),
+            AuditConstants.UNREGISTER_AM, "", "ApplicationMasterService",
+            message, applicationAttemptId.getApplicationId(),
+            applicationAttemptId);
+        throw new InvalidApplicationMasterRequestException(message);
+      }
       
       this.amLivelinessMonitor.receivedPing(applicationAttemptId);
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/RMAuditLogger.java

@@ -50,6 +50,7 @@ public class RMAuditLogger {
     public static final String FINISH_FAILED_APP = "Application Finished - Failed";
     public static final String FINISH_KILLED_APP = "Application Finished - Killed";
     public static final String REGISTER_AM = "Register App Master";
+    public static final String UNREGISTER_AM = "Unregister App Master";
     public static final String ALLOC_CONTAINER = "AM Allocated Container";
     public static final String RELEASE_CONTAINER = "AM Released Container";
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/MockAM.java

@@ -225,12 +225,14 @@ public class MockAM {
     final FinishApplicationMasterRequest req =
         FinishApplicationMasterRequest.newInstance(
           FinalApplicationStatus.SUCCEEDED, "", "");
-    unregisterAppAttempt(req);
+    unregisterAppAttempt(req,true);
   }
 
-  public void unregisterAppAttempt(final FinishApplicationMasterRequest req)
+  public void unregisterAppAttempt(final FinishApplicationMasterRequest req,
-      throws Exception {
+      boolean waitForStateRunning) throws Exception {
+    if (waitForStateRunning) {
       waitForState(RMAppAttemptState.RUNNING);
+    }
     UserGroupInformation ugi =
         UserGroupInformation.createRemoteUser(attemptId.toString());
     Token<AMRMTokenIdentifier> token =

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/MockRM.java

@@ -477,7 +477,7 @@ public class MockRM extends ResourceManager {
     FinishApplicationMasterRequest req =
         FinishApplicationMasterRequest.newInstance(
           FinalApplicationStatus.SUCCEEDED, "", "");
-    am.unregisterAppAttempt(req);
+    am.unregisterAppAttempt(req,true);
     am.waitForState(RMAppAttemptState.FINISHING);
     nm.nodeHeartbeat(am.getApplicationAttemptId(), 1, ContainerState.COMPLETE);
     am.waitForState(RMAppAttemptState.FINISHED);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestApplicationMasterService.java

@@ -26,6 +26,7 @@ import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.impl.pb.AllocateRequestPBImpl;
@@ -34,6 +35,7 @@ import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.event.Dispatcher;
 import org.apache.hadoop.yarn.event.EventHandler;
 import org.apache.hadoop.yarn.event.InlineDispatcher;
+import org.apache.hadoop.yarn.exceptions.InvalidApplicationMasterRequestException;
 import org.apache.hadoop.yarn.exceptions.InvalidContainerReleaseException;
 import org.apache.hadoop.yarn.exceptions.YarnException;
 import org.apache.hadoop.yarn.security.AMRMTokenIdentifier;
@@ -246,4 +248,39 @@ public class TestApplicationMasterService {
       sleep(100);
     }
   }
+  
+  @Test(timeout=1200000)
+  public void testFinishApplicationMasterBeforeRegistering() throws Exception {
+    MockRM rm = new MockRM(conf);
+    try {
+      rm.start();
+      // Register node1
+      MockNM nm1 = rm.registerNode("127.0.0.1:1234", 6 * GB);
+      // Submit an application
+      RMApp app1 = rm.submitApp(2048);
+      MockAM am1 = MockRM.launchAM(app1, rm, nm1);
+      FinishApplicationMasterRequest req =
+          FinishApplicationMasterRequest.newInstance(
+              FinalApplicationStatus.FAILED, "", "");
+      Throwable cause = null;
+      try {
+        am1.unregisterAppAttempt(req, false);
+      } catch (Exception e) {
+        cause = e.getCause();
+      }
+      Assert.assertNotNull(cause);
+      Assert
+          .assertTrue(cause instanceof InvalidApplicationMasterRequestException);
+      Assert.assertNotNull(cause.getMessage());
+      Assert
+          .assertTrue(cause
+              .getMessage()
+              .contains(
+                  "Application Master is trying to unregister before registering for:"));
+    } finally {
+      if (rm != null) {
+        rm.stop();
+      }
+    }
+  }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMRestart.java

@@ -928,7 +928,7 @@ public class TestRMRestart {
         ((MemoryRMStateStore) rm.getRMContext().getStateStore()).getState();
     Map<ApplicationId, ApplicationState> rmAppState =
         rmState.getApplicationState();
-    am.unregisterAppAttempt(req);
+    am.unregisterAppAttempt(req,true);
     am.waitForState(RMAppAttemptState.FINISHING);
     nm.nodeHeartbeat(am.getApplicationAttemptId(), 1, ContainerState.COMPLETE);
     am.waitForState(RMAppAttemptState.FINISHED);