Beispiel #1
0
        /// <exception cref="System.Exception"/>
        public virtual RegisterApplicationMasterResponse RegisterAppAttempt(bool wait)
        {
            if (wait)
            {
                WaitForState(RMAppAttemptState.Launched);
            }
            responseId = 0;
            RegisterApplicationMasterRequest req = Org.Apache.Hadoop.Yarn.Util.Records.NewRecord
                                                   <RegisterApplicationMasterRequest>();

            req.SetHost(string.Empty);
            req.SetRpcPort(1);
            req.SetTrackingUrl(string.Empty);
            if (ugi == null)
            {
                ugi = UserGroupInformation.CreateRemoteUser(attemptId.ToString());
                Org.Apache.Hadoop.Security.Token.Token <AMRMTokenIdentifier> token = context.GetRMApps
                                                                                         ()[attemptId.GetApplicationId()].GetRMAppAttempt(attemptId).GetAMRMToken();
                ugi.AddTokenIdentifier(token.DecodeIdentifier());
            }
            try
            {
                return(ugi.DoAs(new _PrivilegedExceptionAction_117(this, req)));
            }
            catch (UndeclaredThrowableException e)
            {
                throw (Exception)e.InnerException;
            }
        }
Beispiel #2
0
        // To avoid using cached client
        /// <exception cref="System.Exception"/>
        public virtual void TestAMRMMasterKeysUpdate()
        {
            AtomicReference <AMRMTokenSecretManager> spySecretMgrRef = new AtomicReference <AMRMTokenSecretManager
                                                                                            >();
            MockRM rm = new _MockRM_349(this, spySecretMgrRef, conf);

            // Skip the login.
            rm.Start();
            MockNM nm  = rm.RegisterNode("127.0.0.1:1234", 8000);
            RMApp  app = rm.SubmitApp(200);
            MockAM am  = MockRM.LaunchAndRegisterAM(app, rm, nm);
            AMRMTokenSecretManager spySecretMgr = spySecretMgrRef.Get();
            // Do allocate. Should not update AMRMToken
            AllocateResponse response = am.Allocate(Org.Apache.Hadoop.Yarn.Util.Records.NewRecord
                                                    <AllocateRequest>());

            NUnit.Framework.Assert.IsNull(response.GetAMRMToken());
            Org.Apache.Hadoop.Security.Token.Token <AMRMTokenIdentifier> oldToken = rm.GetRMContext
                                                                                        ().GetRMApps()[app.GetApplicationId()].GetRMAppAttempt(am.GetApplicationAttemptId
                                                                                                                                                   ()).GetAMRMToken();
            // roll over the master key
            // Do allocate again. the AM should get the latest AMRMToken
            rm.GetRMContext().GetAMRMTokenSecretManager().RollMasterKey();
            response = am.Allocate(Org.Apache.Hadoop.Yarn.Util.Records.NewRecord <AllocateRequest
                                                                                  >());
            NUnit.Framework.Assert.IsNotNull(response.GetAMRMToken());
            Org.Apache.Hadoop.Security.Token.Token <AMRMTokenIdentifier> amrmToken = ConverterUtils
                                                                                     .ConvertFromYarn(response.GetAMRMToken(), new Text(response.GetAMRMToken().GetService
                                                                                                                                            ()));
            NUnit.Framework.Assert.AreEqual(amrmToken.DecodeIdentifier().GetKeyId(), rm.GetRMContext
                                                ().GetAMRMTokenSecretManager().GetMasterKey().GetMasterKey().GetKeyId());
            // Do allocate again with the same old token and verify the RM sends
            // back the last generated token instead of generating it again.
            Org.Mockito.Mockito.Reset(spySecretMgr);
            UserGroupInformation ugi = UserGroupInformation.CreateUserForTesting(am.GetApplicationAttemptId
                                                                                     ().ToString(), new string[0]);

            ugi.AddTokenIdentifier(oldToken.DecodeIdentifier());
            response = am.DoAllocateAs(ugi, Org.Apache.Hadoop.Yarn.Util.Records.NewRecord <AllocateRequest
                                                                                           >());
            NUnit.Framework.Assert.IsNotNull(response.GetAMRMToken());
            Org.Mockito.Mockito.Verify(spySecretMgr, Org.Mockito.Mockito.Never()).CreateAndGetAMRMToken
                (Matchers.IsA <ApplicationAttemptId>());
            // Do allocate again with the updated token and verify we do not
            // receive a new token to use.
            response = am.Allocate(Org.Apache.Hadoop.Yarn.Util.Records.NewRecord <AllocateRequest
                                                                                  >());
            NUnit.Framework.Assert.IsNull(response.GetAMRMToken());
            // Activate the next master key. Since there is new master key generated
            // in AMRMTokenSecretManager. The AMRMToken will not get updated for AM
            rm.GetRMContext().GetAMRMTokenSecretManager().ActivateNextMasterKey();
            response = am.Allocate(Org.Apache.Hadoop.Yarn.Util.Records.NewRecord <AllocateRequest
                                                                                  >());
            NUnit.Framework.Assert.IsNull(response.GetAMRMToken());
            rm.Stop();
        }
Beispiel #3
0
        /// <exception cref="System.Exception"/>
        public virtual AllocateResponse Allocate(AllocateRequest allocateRequest)
        {
            UserGroupInformation ugi = UserGroupInformation.CreateRemoteUser(attemptId.ToString
                                                                                 ());

            Org.Apache.Hadoop.Security.Token.Token <AMRMTokenIdentifier> token = context.GetRMApps
                                                                                     ()[attemptId.GetApplicationId()].GetRMAppAttempt(attemptId).GetAMRMToken();
            ugi.AddTokenIdentifier(token.DecodeIdentifier());
            lastResponse = DoAllocateAs(ugi, allocateRequest);
            return(lastResponse);
        }
            // do nothing
            /// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
            protected internal override UserGroupInformation GetRemoteUgi()
            {
                ApplicationId        appId        = ApplicationId.NewInstance(0, 0);
                ApplicationAttemptId appAttemptId = ApplicationAttemptId.NewInstance(appId, 1);
                UserGroupInformation ugi          = UserGroupInformation.CreateRemoteUser(appAttemptId.ToString
                                                                                              ());

                ugi.AddTokenIdentifier(new NMTokenIdentifier(appAttemptId, this.context.GetNodeId
                                                                 (), this._enclosing.user, this.context.GetNMTokenSecretManager().GetCurrentKey()
                                                             .GetKeyId()));
                return(ugi);
            }
        /// <exception cref="System.Exception"/>
        private AllocateResponse Allocate(ApplicationAttemptId attemptId, AllocateRequest
                                          req)
        {
            UserGroupInformation ugi = UserGroupInformation.CreateRemoteUser(attemptId.ToString
                                                                                 ());

            Org.Apache.Hadoop.Security.Token.Token <AMRMTokenIdentifier> token = rm.GetRMContext
                                                                                     ().GetRMApps()[attemptId.GetApplicationId()].GetRMAppAttempt(attemptId).GetAMRMToken
                                                                                     ();
            ugi.AddTokenIdentifier(token.DecodeIdentifier());
            return(ugi.DoAs(new _PrivilegedExceptionAction_67(this, req)));
        }
Beispiel #6
0
        /// <exception cref="System.Exception"/>
        public virtual void TestTokenIdentifiers()
        {
            UserGroupInformation ugi = UserGroupInformation.CreateUserForTesting("TheDoctor",
                                                                                 new string[] { "TheTARDIS" });
            TokenIdentifier t1 = Org.Mockito.Mockito.Mock <TokenIdentifier>();
            TokenIdentifier t2 = Org.Mockito.Mockito.Mock <TokenIdentifier>();

            ugi.AddTokenIdentifier(t1);
            ugi.AddTokenIdentifier(t2);
            ICollection <TokenIdentifier> z = ugi.GetTokenIdentifiers();

            Assert.True(z.Contains(t1));
            Assert.True(z.Contains(t2));
            Assert.Equal(2, z.Count);
            // ensure that the token identifiers are passed through doAs
            ICollection <TokenIdentifier> otherSet = ugi.DoAs(new _PrivilegedExceptionAction_639
                                                                  ());

            Assert.True(otherSet.Contains(t1));
            Assert.True(otherSet.Contains(t2));
            Assert.Equal(2, otherSet.Count);
        }
        /// <exception cref="System.Exception"/>
        private StartContainersResponse StartContainer(Context context, ContainerManagerImpl
                                                       cm, ContainerId cid, ContainerLaunchContext clc, LogAggregationContext logAggregationContext
                                                       )
        {
            UserGroupInformation user = UserGroupInformation.CreateRemoteUser(cid.GetApplicationAttemptId
                                                                                  ().ToString());
            StartContainerRequest scReq = StartContainerRequest.NewInstance(clc, TestContainerManager
                                                                            .CreateContainerToken(cid, 0, context.GetNodeId(), user.GetShortUserName(), context
                                                                                                  .GetContainerTokenSecretManager(), logAggregationContext));
            IList <StartContainerRequest> scReqList = new AList <StartContainerRequest>();

            scReqList.AddItem(scReq);
            NMTokenIdentifier nmToken = new NMTokenIdentifier(cid.GetApplicationAttemptId(),
                                                              context.GetNodeId(), user.GetShortUserName(), context.GetNMTokenSecretManager().
                                                              GetCurrentKey().GetKeyId());

            user.AddTokenIdentifier(nmToken);
            return(user.DoAs(new _PrivilegedExceptionAction_264(cm, scReqList)));
        }
Beispiel #8
0
 /// <exception cref="System.Exception"/>
 public virtual void UnregisterAppAttempt(FinishApplicationMasterRequest req, bool
                                          waitForStateRunning)
 {
     if (waitForStateRunning)
     {
         WaitForState(RMAppAttemptState.Running);
     }
     if (ugi == null)
     {
         ugi = UserGroupInformation.CreateRemoteUser(attemptId.ToString());
         Org.Apache.Hadoop.Security.Token.Token <AMRMTokenIdentifier> token = context.GetRMApps
                                                                                  ()[attemptId.GetApplicationId()].GetRMAppAttempt(attemptId).GetAMRMToken();
         ugi.AddTokenIdentifier(token.DecodeIdentifier());
     }
     try
     {
         ugi.DoAs(new _PrivilegedExceptionAction_276(this, req));
     }
     catch (UndeclaredThrowableException e)
     {
         throw (Exception)e.InnerException;
     }
 }
Beispiel #9
0
        /// <exception cref="System.IO.IOException"/>
        /// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
        /// <exception cref="System.Exception"/>
        public virtual void TestClearLocalDirWhenNodeReboot()
        {
            nm = new TestNodeManagerReboot.MyNodeManager(this);
            nm.Start();
            ContainerManagementProtocol containerManager = nm.GetContainerManager();

            // create files under fileCache
            CreateFiles(nmLocalDir.GetAbsolutePath(), ContainerLocalizer.Filecache, 100);
            localResourceDir.Mkdirs();
            ContainerLaunchContext containerLaunchContext = Records.NewRecord <ContainerLaunchContext
                                                                               >();
            // Construct the Container-id
            ContainerId cId = CreateContainerId();
            URL         localResourceUri = ConverterUtils.GetYarnUrlFromPath(localFS.MakeQualified(new
                                                                                                   Path(localResourceDir.GetAbsolutePath())));
            LocalResource localResource = LocalResource.NewInstance(localResourceUri, LocalResourceType
                                                                    .File, LocalResourceVisibility.Application, -1, localResourceDir.LastModified());
            string destinationFile = "dest_file";
            IDictionary <string, LocalResource> localResources = new Dictionary <string, LocalResource
                                                                                 >();

            localResources[destinationFile] = localResource;
            containerLaunchContext.SetLocalResources(localResources);
            IList <string> commands = new AList <string>();

            containerLaunchContext.SetCommands(commands);
            NodeId nodeId = nm.GetNMContext().GetNodeId();
            StartContainerRequest scRequest = StartContainerRequest.NewInstance(containerLaunchContext
                                                                                , TestContainerManager.CreateContainerToken(cId, 0, nodeId, destinationFile, nm.
                                                                                                                            GetNMContext().GetContainerTokenSecretManager()));
            IList <StartContainerRequest> list = new AList <StartContainerRequest>();

            list.AddItem(scRequest);
            StartContainersRequest allRequests = StartContainersRequest.NewInstance(list);
            UserGroupInformation   currentUser = UserGroupInformation.CreateRemoteUser(cId.GetApplicationAttemptId
                                                                                           ().ToString());
            NMTokenIdentifier nmIdentifier = new NMTokenIdentifier(cId.GetApplicationAttemptId
                                                                       (), nodeId, user, 123);

            currentUser.AddTokenIdentifier(nmIdentifier);
            currentUser.DoAs(new _PrivilegedExceptionAction_152(this, allRequests));
            IList <ContainerId> containerIds = new AList <ContainerId>();

            containerIds.AddItem(cId);
            GetContainerStatusesRequest request = GetContainerStatusesRequest.NewInstance(containerIds
                                                                                          );

            Org.Apache.Hadoop.Yarn.Server.Nodemanager.Containermanager.Container.Container container
                = nm.GetNMContext().GetContainers()[request.GetContainerIds()[0]];
            int MaxTries = 20;
            int numTries = 0;

            while (!container.GetContainerState().Equals(ContainerState.Done) && numTries <=
                   MaxTries)
            {
                try
                {
                    Sharpen.Thread.Sleep(500);
                }
                catch (Exception)
                {
                }
                // Do nothing
                numTries++;
            }
            NUnit.Framework.Assert.AreEqual(ContainerState.Done, container.GetContainerState(
                                                ));
            NUnit.Framework.Assert.IsTrue("The container should create a subDir named currentUser: "******"under localDir/usercache", NumOfLocalDirs(nmLocalDir.GetAbsolutePath(
                                                                                                  ), ContainerLocalizer.Usercache) > 0);
            NUnit.Framework.Assert.IsTrue("There should be files or Dirs under nm_private when "
                                          + "container is launched", NumOfLocalDirs(nmLocalDir.GetAbsolutePath(), ResourceLocalizationService
                                                                                    .NmPrivateDir) > 0);
            // restart the NodeManager
            RestartNM(MaxTries);
            CheckNumOfLocalDirs();
            Org.Mockito.Mockito.Verify(delService, Org.Mockito.Mockito.Times(1)).Delete((string
                                                                                         )Matchers.IsNull(), Matchers.ArgThat(new TestNodeManagerReboot.PathInclude(this,
                                                                                                                                                                    ResourceLocalizationService.NmPrivateDir + "_DEL_")));
            Org.Mockito.Mockito.Verify(delService, Org.Mockito.Mockito.Times(1)).Delete((string
                                                                                         )Matchers.IsNull(), Matchers.ArgThat(new TestNodeManagerReboot.PathInclude(this,
                                                                                                                                                                    ContainerLocalizer.Filecache + "_DEL_")));
            Org.Mockito.Mockito.Verify(delService, Org.Mockito.Mockito.Times(1)).ScheduleFileDeletionTask
                (Matchers.ArgThat(new TestNodeManagerReboot.FileDeletionInclude(this, user, null
                                                                                , new string[] { destinationFile })));
            Org.Mockito.Mockito.Verify(delService, Org.Mockito.Mockito.Times(1)).ScheduleFileDeletionTask
                (Matchers.ArgThat(new TestNodeManagerReboot.FileDeletionInclude(this, null, ContainerLocalizer
                                                                                .Usercache + "_DEL_", new string[] {  })));
            // restart the NodeManager again
            // this time usercache directory should be empty
            RestartNM(MaxTries);
            CheckNumOfLocalDirs();
        }
        // Test does major 6 steps verification.
        // Step-1 : AMRMClient send allocate request for 2 container requests
        // Step-2 : 2 containers are allocated by RM.
        // Step-3 : AM Send 1 containerRequest(cRequest3) and 1 releaseRequests to
        // RM
        // Step-4 : On RM restart, AM(does not know RM is restarted) sends additional
        // containerRequest(cRequest4) and blacklisted nodes.
        // Intern RM send resync command
        // Step-5 : Allocater after resync command & new containerRequest(cRequest5)
        // Step-6 : RM allocates containers i.e cRequest3,cRequest4 and cRequest5
        /// <exception cref="System.Exception"/>
        public virtual void TestAMRMClientResendsRequestsOnRMRestart()
        {
            UserGroupInformation.SetLoginUser(null);
            MemoryRMStateStore memStore = new MemoryRMStateStore();

            memStore.Init(conf);
            // Phase-1 Start 1st RM
            TestAMRMClientOnRMRestart.MyResourceManager rm1 = new TestAMRMClientOnRMRestart.MyResourceManager
                                                                  (conf, memStore);
            rm1.Start();
            DrainDispatcher dispatcher = (DrainDispatcher)rm1.GetRMContext().GetDispatcher();
            // Submit the application
            RMApp app = rm1.SubmitApp(1024);

            dispatcher.Await();
            MockNM nm1 = new MockNM("h1:1234", 15120, rm1.GetResourceTrackerService());

            nm1.RegisterNode();
            nm1.NodeHeartbeat(true);
            // Node heartbeat
            dispatcher.Await();
            ApplicationAttemptId appAttemptId = app.GetCurrentAppAttempt().GetAppAttemptId();

            rm1.SendAMLaunched(appAttemptId);
            dispatcher.Await();
            Org.Apache.Hadoop.Security.Token.Token <AMRMTokenIdentifier> token = rm1.GetRMContext
                                                                                     ().GetRMApps()[appAttemptId.GetApplicationId()].GetRMAppAttempt(appAttemptId).GetAMRMToken
                                                                                     ();
            UserGroupInformation ugi = UserGroupInformation.GetCurrentUser();

            ugi.AddTokenIdentifier(token.DecodeIdentifier());
            // Step-1 : AMRMClient send allocate request for 2 ContainerRequest
            // cRequest1 = h1 and cRequest2 = h1,h2
            // blacklisted nodes = h2
            AMRMClient <AMRMClient.ContainerRequest> amClient = new TestAMRMClientOnRMRestart.MyAMRMClientImpl
                                                                    (rm1);

            amClient.Init(conf);
            amClient.Start();
            amClient.RegisterApplicationMaster("Host", 10000, string.Empty);
            AMRMClient.ContainerRequest cRequest1 = CreateReq(1, 1024, new string[] { "h1" });
            amClient.AddContainerRequest(cRequest1);
            AMRMClient.ContainerRequest cRequest2 = CreateReq(1, 1024, new string[] { "h1", "h2" });
            amClient.AddContainerRequest(cRequest2);
            IList <string> blacklistAdditions = new AList <string>();
            IList <string> blacklistRemoval   = new AList <string>();

            blacklistAdditions.AddItem("h2");
            blacklistRemoval.AddItem("h10");
            amClient.UpdateBlacklist(blacklistAdditions, blacklistRemoval);
            blacklistAdditions.Remove("h2");
            // remove from local list
            AllocateResponse allocateResponse = amClient.Allocate(0.1f);

            dispatcher.Await();
            NUnit.Framework.Assert.AreEqual("No of assignments must be 0", 0, allocateResponse
                                            .GetAllocatedContainers().Count);
            // Why 4 ask, why not 3 ask even h2 is blacklisted?
            // On blacklisting host,applicationmaster has to remove ask request from
            // remoterequest table.Here,test does not remove explicitely
            AssertAsksAndReleases(4, 0, rm1);
            AssertBlacklistAdditionsAndRemovals(1, 1, rm1);
            // Step-2 : NM heart beat is sent.
            // On 2nd AM allocate request, RM allocates 2 containers to AM
            nm1.NodeHeartbeat(true);
            // Node heartbeat
            dispatcher.Await();
            allocateResponse = amClient.Allocate(0.2f);
            dispatcher.Await();
            // 2 containers are allocated i.e for cRequest1 and cRequest2.
            NUnit.Framework.Assert.AreEqual("No of assignments must be 0", 2, allocateResponse
                                            .GetAllocatedContainers().Count);
            AssertAsksAndReleases(0, 0, rm1);
            AssertBlacklistAdditionsAndRemovals(0, 0, rm1);
            IList <Container> allocatedContainers = allocateResponse.GetAllocatedContainers();

            // removed allocated container requests
            amClient.RemoveContainerRequest(cRequest1);
            amClient.RemoveContainerRequest(cRequest2);
            allocateResponse = amClient.Allocate(0.2f);
            dispatcher.Await();
            NUnit.Framework.Assert.AreEqual("No of assignments must be 0", 0, allocateResponse
                                            .GetAllocatedContainers().Count);
            AssertAsksAndReleases(4, 0, rm1);
            AssertBlacklistAdditionsAndRemovals(0, 0, rm1);
            // Step-3 : Send 1 containerRequest and 1 releaseRequests to RM
            AMRMClient.ContainerRequest cRequest3 = CreateReq(1, 1024, new string[] { "h1" });
            amClient.AddContainerRequest(cRequest3);
            int pendingRelease         = 0;
            IEnumerator <Container> it = allocatedContainers.GetEnumerator();

            while (it.HasNext())
            {
                amClient.ReleaseAssignedContainer(it.Next().GetId());
                pendingRelease++;
                it.Remove();
                break;
            }
            // remove one container
            allocateResponse = amClient.Allocate(0.3f);
            dispatcher.Await();
            NUnit.Framework.Assert.AreEqual("No of assignments must be 0", 0, allocateResponse
                                            .GetAllocatedContainers().Count);
            AssertAsksAndReleases(3, pendingRelease, rm1);
            AssertBlacklistAdditionsAndRemovals(0, 0, rm1);
            int completedContainer = allocateResponse.GetCompletedContainersStatuses().Count;

            pendingRelease -= completedContainer;
            // Phase-2 start 2nd RM is up
            TestAMRMClientOnRMRestart.MyResourceManager rm2 = new TestAMRMClientOnRMRestart.MyResourceManager
                                                                  (conf, memStore);
            rm2.Start();
            nm1.SetResourceTrackerService(rm2.GetResourceTrackerService());
            ((TestAMRMClientOnRMRestart.MyAMRMClientImpl)amClient).UpdateRMProxy(rm2);
            dispatcher = (DrainDispatcher)rm2.GetRMContext().GetDispatcher();
            // NM should be rebooted on heartbeat, even first heartbeat for nm2
            NodeHeartbeatResponse hbResponse = nm1.NodeHeartbeat(true);

            NUnit.Framework.Assert.AreEqual(NodeAction.Resync, hbResponse.GetNodeAction());
            // new NM to represent NM re-register
            nm1 = new MockNM("h1:1234", 10240, rm2.GetResourceTrackerService());
            nm1.RegisterNode();
            nm1.NodeHeartbeat(true);
            dispatcher.Await();
            blacklistAdditions.AddItem("h3");
            amClient.UpdateBlacklist(blacklistAdditions, null);
            blacklistAdditions.Remove("h3");
            it = allocatedContainers.GetEnumerator();
            while (it.HasNext())
            {
                amClient.ReleaseAssignedContainer(it.Next().GetId());
                pendingRelease++;
                it.Remove();
            }
            AMRMClient.ContainerRequest cRequest4 = CreateReq(1, 1024, new string[] { "h1", "h2" });
            amClient.AddContainerRequest(cRequest4);
            // Step-4 : On RM restart, AM(does not know RM is restarted) sends
            // additional
            // containerRequest and blacklisted nodes.
            // Intern RM send resync command,AMRMClient resend allocate request
            allocateResponse = amClient.Allocate(0.3f);
            dispatcher.Await();
            completedContainer = allocateResponse.GetCompletedContainersStatuses().Count;
            pendingRelease    -= completedContainer;
            AssertAsksAndReleases(4, pendingRelease, rm2);
            AssertBlacklistAdditionsAndRemovals(2, 0, rm2);
            AMRMClient.ContainerRequest cRequest5 = CreateReq(1, 1024, new string[] { "h1", "h2"
                                                                                      , "h3" });
            amClient.AddContainerRequest(cRequest5);
            // Step-5 : Allocater after resync command
            allocateResponse = amClient.Allocate(0.5f);
            dispatcher.Await();
            NUnit.Framework.Assert.AreEqual("No of assignments must be 0", 0, allocateResponse
                                            .GetAllocatedContainers().Count);
            AssertAsksAndReleases(5, 0, rm2);
            AssertBlacklistAdditionsAndRemovals(0, 0, rm2);
            int noAssignedContainer = 0;
            int count = 5;

            while (count-- > 0)
            {
                nm1.NodeHeartbeat(true);
                dispatcher.Await();
                allocateResponse = amClient.Allocate(0.5f);
                dispatcher.Await();
                noAssignedContainer += allocateResponse.GetAllocatedContainers().Count;
                if (noAssignedContainer == 3)
                {
                    break;
                }
                Sharpen.Thread.Sleep(1000);
            }
            // Step-6 : RM allocates containers i.e cRequest3,cRequest4 and cRequest5
            NUnit.Framework.Assert.AreEqual("Number of container should be 3", 3, noAssignedContainer
                                            );
            amClient.Stop();
            rm1.Stop();
            rm2.Stop();
        }
        // Test verify for AM issued with rolled-over AMRMToken
        // is still able to communicate with restarted RM.
        /// <exception cref="System.Exception"/>
        public virtual void TestAMRMClientOnAMRMTokenRollOverOnRMRestart()
        {
            conf.SetLong(YarnConfiguration.RmAmrmTokenMasterKeyRollingIntervalSecs, rolling_interval_sec
                         );
            conf.SetLong(YarnConfiguration.RmAmExpiryIntervalMs, am_expire_ms);
            MemoryRMStateStore memStore = new MemoryRMStateStore();

            memStore.Init(conf);
            // start first RM
            TestAMRMClientOnRMRestart.MyResourceManager2 rm1 = new TestAMRMClientOnRMRestart.MyResourceManager2
                                                                   (conf, memStore);
            rm1.Start();
            DrainDispatcher dispatcher = (DrainDispatcher)rm1.GetRMContext().GetDispatcher();
            long            startTime  = Runtime.CurrentTimeMillis();
            // Submit the application
            RMApp app = rm1.SubmitApp(1024);

            dispatcher.Await();
            MockNM nm1 = new MockNM("h1:1234", 15120, rm1.GetResourceTrackerService());

            nm1.RegisterNode();
            nm1.NodeHeartbeat(true);
            // Node heartbeat
            dispatcher.Await();
            ApplicationAttemptId appAttemptId = app.GetCurrentAppAttempt().GetAppAttemptId();

            rm1.SendAMLaunched(appAttemptId);
            dispatcher.Await();
            AMRMTokenSecretManager amrmTokenSecretManagerForRM1 = rm1.GetRMContext().GetAMRMTokenSecretManager
                                                                      ();

            Org.Apache.Hadoop.Security.Token.Token <AMRMTokenIdentifier> token = amrmTokenSecretManagerForRM1
                                                                                 .CreateAndGetAMRMToken(appAttemptId);
            UserGroupInformation ugi = UserGroupInformation.GetCurrentUser();

            ugi.AddTokenIdentifier(token.DecodeIdentifier());
            AMRMClient <AMRMClient.ContainerRequest> amClient = new TestAMRMClientOnRMRestart.MyAMRMClientImpl
                                                                    (rm1);

            amClient.Init(conf);
            amClient.Start();
            amClient.RegisterApplicationMaster("h1", 10000, string.Empty);
            amClient.Allocate(0.1f);
            // Wait for enough time and make sure the roll_over happens
            // At mean time, the old AMRMToken should continue to work
            while (Runtime.CurrentTimeMillis() - startTime < rolling_interval_sec * 1000)
            {
                amClient.Allocate(0.1f);
                try
                {
                    Sharpen.Thread.Sleep(1000);
                }
                catch (Exception)
                {
                }
            }
            // DO NOTHING
            NUnit.Framework.Assert.IsTrue(amrmTokenSecretManagerForRM1.GetMasterKey().GetMasterKey
                                              ().GetKeyId() != token.DecodeIdentifier().GetKeyId());
            amClient.Allocate(0.1f);
            // active the nextMasterKey, and replace the currentMasterKey
            Org.Apache.Hadoop.Security.Token.Token <AMRMTokenIdentifier> newToken = amrmTokenSecretManagerForRM1
                                                                                    .CreateAndGetAMRMToken(appAttemptId);
            int waitCount = 0;

            while (waitCount++ <= 50)
            {
                if (amrmTokenSecretManagerForRM1.GetCurrnetMasterKeyData().GetMasterKey().GetKeyId
                        () != token.DecodeIdentifier().GetKeyId())
                {
                    break;
                }
                try
                {
                    amClient.Allocate(0.1f);
                }
                catch (Exception)
                {
                    break;
                }
                Sharpen.Thread.Sleep(500);
            }
            NUnit.Framework.Assert.IsTrue(amrmTokenSecretManagerForRM1.GetNextMasterKeyData()
                                          == null);
            NUnit.Framework.Assert.IsTrue(amrmTokenSecretManagerForRM1.GetCurrnetMasterKeyData
                                              ().GetMasterKey().GetKeyId() == newToken.DecodeIdentifier().GetKeyId());
            // start 2nd RM
            conf.Set(YarnConfiguration.RmSchedulerAddress, "0.0.0.0:9030");
            TestAMRMClientOnRMRestart.MyResourceManager2 rm2 = new TestAMRMClientOnRMRestart.MyResourceManager2
                                                                   (conf, memStore);
            rm2.Start();
            nm1.SetResourceTrackerService(rm2.GetResourceTrackerService());
            ((TestAMRMClientOnRMRestart.MyAMRMClientImpl)amClient).UpdateRMProxy(rm2);
            dispatcher = (DrainDispatcher)rm2.GetRMContext().GetDispatcher();
            AMRMTokenSecretManager amrmTokenSecretManagerForRM2 = rm2.GetRMContext().GetAMRMTokenSecretManager
                                                                      ();

            NUnit.Framework.Assert.IsTrue(amrmTokenSecretManagerForRM2.GetCurrnetMasterKeyData
                                              ().GetMasterKey().GetKeyId() == newToken.DecodeIdentifier().GetKeyId());
            NUnit.Framework.Assert.IsTrue(amrmTokenSecretManagerForRM2.GetNextMasterKeyData()
                                          == null);
            try
            {
                UserGroupInformation testUser = UserGroupInformation.CreateRemoteUser("testUser");
                SecurityUtil.SetTokenService(token, rm2.GetApplicationMasterService().GetBindAddress
                                                 ());
                testUser.AddToken(token);
                testUser.DoAs(new _PrivilegedAction_480(rm2)).Allocate(Org.Apache.Hadoop.Yarn.Util.Records
                                                                       .NewRecord <AllocateRequest>());
                NUnit.Framework.Assert.Fail("The old Token should not work");
            }
            catch (Exception ex)
            {
                NUnit.Framework.Assert.IsTrue(ex is SecretManager.InvalidToken);
                NUnit.Framework.Assert.IsTrue(ex.Message.Contains("Invalid AMRMToken from " + token
                                                                  .DecodeIdentifier().GetApplicationAttemptId()));
            }
            // make sure the recovered AMRMToken works for new RM
            amClient.Allocate(0.1f);
            amClient.UnregisterApplicationMaster(FinalApplicationStatus.Succeeded, null, null
                                                 );
            amClient.Stop();
            rm1.Stop();
            rm2.Stop();
        }
        // Test verify for
        // 1. AM try to unregister without registering
        // 2. AM register to RM, and try to unregister immediately after RM restart
        /// <exception cref="System.Exception"/>
        public virtual void TestAMRMClientForUnregisterAMOnRMRestart()
        {
            MemoryRMStateStore memStore = new MemoryRMStateStore();

            memStore.Init(conf);
            // Phase-1 Start 1st RM
            TestAMRMClientOnRMRestart.MyResourceManager rm1 = new TestAMRMClientOnRMRestart.MyResourceManager
                                                                  (conf, memStore);
            rm1.Start();
            DrainDispatcher dispatcher = (DrainDispatcher)rm1.GetRMContext().GetDispatcher();
            // Submit the application
            RMApp app = rm1.SubmitApp(1024);

            dispatcher.Await();
            MockNM nm1 = new MockNM("h1:1234", 15120, rm1.GetResourceTrackerService());

            nm1.RegisterNode();
            nm1.NodeHeartbeat(true);
            // Node heartbeat
            dispatcher.Await();
            ApplicationAttemptId appAttemptId = app.GetCurrentAppAttempt().GetAppAttemptId();

            rm1.SendAMLaunched(appAttemptId);
            dispatcher.Await();
            Org.Apache.Hadoop.Security.Token.Token <AMRMTokenIdentifier> token = rm1.GetRMContext
                                                                                     ().GetRMApps()[appAttemptId.GetApplicationId()].GetRMAppAttempt(appAttemptId).GetAMRMToken
                                                                                     ();
            UserGroupInformation ugi = UserGroupInformation.GetCurrentUser();

            ugi.AddTokenIdentifier(token.DecodeIdentifier());
            AMRMClient <AMRMClient.ContainerRequest> amClient = new TestAMRMClientOnRMRestart.MyAMRMClientImpl
                                                                    (rm1);

            amClient.Init(conf);
            amClient.Start();
            amClient.RegisterApplicationMaster("h1", 10000, string.Empty);
            amClient.Allocate(0.1f);
            // Phase-2 start 2nd RM is up
            TestAMRMClientOnRMRestart.MyResourceManager rm2 = new TestAMRMClientOnRMRestart.MyResourceManager
                                                                  (conf, memStore);
            rm2.Start();
            nm1.SetResourceTrackerService(rm2.GetResourceTrackerService());
            ((TestAMRMClientOnRMRestart.MyAMRMClientImpl)amClient).UpdateRMProxy(rm2);
            dispatcher = (DrainDispatcher)rm2.GetRMContext().GetDispatcher();
            // NM should be rebooted on heartbeat, even first heartbeat for nm2
            NodeHeartbeatResponse hbResponse = nm1.NodeHeartbeat(true);

            NUnit.Framework.Assert.AreEqual(NodeAction.Resync, hbResponse.GetNodeAction());
            // new NM to represent NM re-register
            nm1 = new MockNM("h1:1234", 10240, rm2.GetResourceTrackerService());
            ContainerId       containerId     = ContainerId.NewContainerId(appAttemptId, 1);
            NMContainerStatus containerReport = NMContainerStatus.NewInstance(containerId, ContainerState
                                                                              .Running, Resource.NewInstance(1024, 1), "recover container", 0, Priority.NewInstance
                                                                                  (0), 0);

            nm1.RegisterNode(Arrays.AsList(containerReport), null);
            nm1.NodeHeartbeat(true);
            dispatcher.Await();
            amClient.UnregisterApplicationMaster(FinalApplicationStatus.Succeeded, null, null
                                                 );
            rm2.WaitForState(appAttemptId, RMAppAttemptState.Finishing);
            nm1.NodeHeartbeat(appAttemptId, 1, ContainerState.Complete);
            rm2.WaitForState(appAttemptId, RMAppAttemptState.Finished);
            rm2.WaitForState(app.GetApplicationId(), RMAppState.Finished);
            amClient.Stop();
            rm1.Stop();
            rm2.Stop();
        }