YARN-5029. RM needs to send update event with YarnApplicationState as Running to ATS/AHS. Contributed by Xuan Gong.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryManagerOnTimelineStore.java

@@ -368,6 +368,17 @@ public class ApplicationHistoryManagerOnTimelineStore extends AbstractService
                   .toString());
           queue = eventInfo.get(ApplicationMetricsConstants.QUEUE_ENTITY_INFO)
               .toString();
+        } else if (event.getEventType().equals(
+              ApplicationMetricsConstants.STATE_UPDATED_EVENT_TYPE)) {
+          Map<String, Object> eventInfo = event.getEventInfo();
+          if (eventInfo == null) {
+            continue;
+          }
+          if (eventInfo.containsKey(
+              ApplicationMetricsConstants.STATE_EVENT_INFO)) {
+            state = YarnApplicationState.valueOf(eventInfo.get(
+                ApplicationMetricsConstants.STATE_EVENT_INFO).toString());
+          }
         } else if (event.getEventType().equals(
             ApplicationMetricsConstants.FINISHED_EVENT_TYPE)) {
           progress=1.0F;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/webapp/AHSWebServices.java

@@ -274,12 +274,8 @@ public class AHSWebServices extends WebServices {
     }
   }
 
-  // TODO: YARN-5029. RM would send the update event. We could get
-  // the consistent YarnApplicationState.
-  // Will remove YarnApplicationState.ACCEPTED.
   private boolean isRunningState(YarnApplicationState appState) {
-    return appState == YarnApplicationState.ACCEPTED
-        || appState == YarnApplicationState.RUNNING;
+    return appState == YarnApplicationState.RUNNING;
   }
 
   private boolean isFinishedState(YarnApplicationState appState) {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/metrics/ApplicationMetricsConstants.java

@@ -40,6 +40,9 @@ public class ApplicationMetricsConstants {
   public static final String UPDATED_EVENT_TYPE =
       "YARN_APPLICATION_UPDATED";
 
+  public static final String STATE_UPDATED_EVENT_TYPE =
+      "YARN_APPLICATION_STATE_UPDATED";
+
   public static final String NAME_ENTITY_INFO =
       "YARN_APPLICATION_NAME";
 

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

@@ -0,0 +1,47 @@
+/**
+ * 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.metrics;
+
+import org.apache.hadoop.yarn.api.records.ApplicationId;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
+
+/**
+ * When the state of this application has been changed, RM would sent
+ * this event to inform Timeline Server for keeping the Application state
+ * consistent.
+ */
+public class ApplicaitonStateUpdatedEvent extends SystemMetricsEvent{
+  private ApplicationId appId;
+  private YarnApplicationState appState;
+
+  public ApplicaitonStateUpdatedEvent(ApplicationId appliocationId,
+      YarnApplicationState state, long updatedTime) {
+    super(SystemMetricsEventType.APP_STATE_UPDATED, updatedTime);
+    this.appId = appliocationId;
+    this.appState = state;
+  }
+
+  public ApplicationId getApplicationId() {
+    return appId;
+  }
+
+  public YarnApplicationState getAppState() {
+    return appState;
+  }
+}

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

@@ -25,6 +25,7 @@ public enum SystemMetricsEventType {
   APP_FINISHED,
   APP_ACLS_UPDATED,
   APP_UPDATED,
+  APP_STATE_UPDATED,
 
   // app attempt events
   APP_ATTEMPT_REGISTERED,

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

@@ -33,6 +33,7 @@ import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
 import org.apache.hadoop.yarn.api.records.ContainerId;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.api.records.timeline.TimelineEntity;
 import org.apache.hadoop.yarn.api.records.timeline.TimelineEvent;
 import org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse;
@@ -54,6 +55,8 @@ import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptS
 import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
 import org.apache.hadoop.yarn.util.timeline.TimelineUtils;
 
+import com.google.common.annotations.VisibleForTesting;
+
 /**
  * The class that helps RM publish metrics to the timeline server. RM will
  * always invoke the methods of this class regardless the service is enabled or
@@ -157,6 +160,18 @@ public class SystemMetricsPublisher extends CompositeService {
     }
   }
 
+  @SuppressWarnings("unchecked")
+  public void appStateUpdated(RMApp app, YarnApplicationState appState,
+      long updatedTime) {
+    if (publishSystemMetrics) {
+      dispatcher.getEventHandler().handle(
+          new ApplicaitonStateUpdatedEvent(
+              app.getApplicationId(),
+              appState,
+              updatedTime));
+    }
+  }
+
   @SuppressWarnings("unchecked")
   public void appAttemptRegistered(RMAppAttempt appAttempt,
       long registeredTime) {
@@ -235,32 +250,36 @@ public class SystemMetricsPublisher extends CompositeService {
   protected void handleSystemMetricsEvent(
       SystemMetricsEvent event) {
     switch (event.getType()) {
-      case APP_CREATED:
-        publishApplicationCreatedEvent((ApplicationCreatedEvent) event);
-        break;
-      case APP_FINISHED:
-        publishApplicationFinishedEvent((ApplicationFinishedEvent) event);
-        break;
-      case APP_ACLS_UPDATED:
-        publishApplicationACLsUpdatedEvent((ApplicationACLsUpdatedEvent) event);
-        break;
-      case APP_UPDATED:
-        publishApplicationUpdatedEvent((ApplicationUpdatedEvent) event);
-        break;
-      case APP_ATTEMPT_REGISTERED:
-        publishAppAttemptRegisteredEvent((AppAttemptRegisteredEvent) event);
-        break;
-      case APP_ATTEMPT_FINISHED:
-        publishAppAttemptFinishedEvent((AppAttemptFinishedEvent) event);
-        break;
-      case CONTAINER_CREATED:
-        publishContainerCreatedEvent((ContainerCreatedEvent) event);
-        break;
-      case CONTAINER_FINISHED:
-        publishContainerFinishedEvent((ContainerFinishedEvent) event);
-        break;
-      default:
-        LOG.error("Unknown SystemMetricsEvent type: " + event.getType());
+    case APP_CREATED:
+      publishApplicationCreatedEvent((ApplicationCreatedEvent) event);
+      break;
+    case APP_FINISHED:
+      publishApplicationFinishedEvent((ApplicationFinishedEvent) event);
+      break;
+    case APP_ACLS_UPDATED:
+      publishApplicationACLsUpdatedEvent((ApplicationACLsUpdatedEvent) event);
+      break;
+    case APP_UPDATED:
+      publishApplicationUpdatedEvent((ApplicationUpdatedEvent) event);
+      break;
+    case APP_STATE_UPDATED:
+      publishApplicationStateUpdatedEvent(
+          (ApplicaitonStateUpdatedEvent)event);
+      break;
+    case APP_ATTEMPT_REGISTERED:
+      publishAppAttemptRegisteredEvent((AppAttemptRegisteredEvent) event);
+      break;
+    case APP_ATTEMPT_FINISHED:
+      publishAppAttemptFinishedEvent((AppAttemptFinishedEvent) event);
+      break;
+    case CONTAINER_CREATED:
+      publishContainerCreatedEvent((ContainerCreatedEvent) event);
+      break;
+    case CONTAINER_FINISHED:
+      publishContainerFinishedEvent((ContainerFinishedEvent) event);
+      break;
+    default:
+      LOG.error("Unknown SystemMetricsEvent type: " + event.getType());
     }
   }
 
@@ -352,6 +371,20 @@ public class SystemMetricsPublisher extends CompositeService {
     putEntity(entity);
   }
 
+  private void publishApplicationStateUpdatedEvent(
+      ApplicaitonStateUpdatedEvent event) {
+    TimelineEntity entity = createApplicationEntity(event.getApplicationId());
+    Map<String, Object> eventInfo = new HashMap<String, Object>();
+    eventInfo.put(ApplicationMetricsConstants.STATE_EVENT_INFO,
+        event.getAppState());
+    TimelineEvent tEvent = new TimelineEvent();
+    tEvent.setEventType(ApplicationMetricsConstants.STATE_UPDATED_EVENT_TYPE);
+    tEvent.setTimestamp(event.getTimestamp());
+    tEvent.setEventInfo(eventInfo);
+    entity.addEvent(tEvent);
+    putEntity(entity);
+  }
+
   private void publishApplicationACLsUpdatedEvent(
       ApplicationACLsUpdatedEvent event) {
     TimelineEntity entity =
@@ -501,7 +534,9 @@ public class SystemMetricsPublisher extends CompositeService {
     return entity;
   }
 
-  private void putEntity(TimelineEntity entity) {
+  @Private
+  @VisibleForTesting
+  public void putEntity(TimelineEntity entity) {
     try {
       if (LOG.isDebugEnabled()) {
         LOG.debug("Publishing the entity " + entity.getEntityId() +

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

@@ -250,7 +250,8 @@ public class RMAppImpl implements RMApp, Recoverable {
     .addTransition(RMAppState.ACCEPTED, RMAppState.ACCEPTED,
         RMAppEventType.MOVE, new RMAppMoveTransition())
     .addTransition(RMAppState.ACCEPTED, RMAppState.RUNNING,
-        RMAppEventType.ATTEMPT_REGISTERED)
+        RMAppEventType.ATTEMPT_REGISTERED, new RMAppStateUpdateTransition(
+            YarnApplicationState.RUNNING))
     .addTransition(RMAppState.ACCEPTED,
         EnumSet.of(RMAppState.ACCEPTED, RMAppState.FINAL_SAVING),
         // ACCEPTED state is possible to receive ATTEMPT_FAILED/ATTEMPT_FINISHED
@@ -928,7 +929,21 @@ public class RMAppImpl implements RMApp, Recoverable {
           nodeUpdateEvent.getNode());
     };
   }
-  
+
+  private static final class RMAppStateUpdateTransition
+      extends RMAppTransition {
+    private YarnApplicationState stateToATS;
+
+    public RMAppStateUpdateTransition(YarnApplicationState state) {
+      stateToATS = state;
+    }
+
+    public void transition(RMAppImpl app, RMAppEvent event) {
+      app.rmContext.getSystemMetricsPublisher().appStateUpdated(
+          app, stateToATS, app.systemClock.getTime());
+    };
+  }
+
   private static final class AppRunningOnNodeTransition extends RMAppTransition {
     public void transition(RMAppImpl app, RMAppEvent event) {
       RMAppRunningOnNodeEvent nodeAddedEvent = (RMAppRunningOnNodeEvent) event;

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

@@ -106,13 +106,15 @@ public class TestSystemMetricsPublisher {
 
   @Test(timeout = 10000)
   public void testPublishApplicationMetrics() throws Exception {
+    long stateUpdateTimeStamp = System.currentTimeMillis();
     for (int i = 1; i <= 2; ++i) {
       ApplicationId appId = ApplicationId.newInstance(0, i);
       RMApp app = createRMApp(appId);
       metricsPublisher.appCreated(app, app.getStartTime());
       if (i == 1) {
         when(app.getQueue()).thenReturn("new test queue");
-        ApplicationSubmissionContext asc = mock(ApplicationSubmissionContext.class);
+        ApplicationSubmissionContext asc = mock(
+            ApplicationSubmissionContext.class);
         when(asc.getUnmanagedAM()).thenReturn(false);
         when(asc.getPriority()).thenReturn(Priority.newInstance(1));
         when(asc.getNodeLabelExpression()).thenReturn("high-cpu");
@@ -121,7 +123,10 @@ public class TestSystemMetricsPublisher {
       } else {
         metricsPublisher.appUpdated(app, 4L);
       }
-      metricsPublisher.appFinished(app, RMAppState.FINISHED, app.getFinishTime());
+      metricsPublisher.appStateUpdated(app, YarnApplicationState.RUNNING,
+          stateUpdateTimeStamp);
+      metricsPublisher.appFinished(app, RMAppState.FINISHED,
+          app.getFinishTime());
       if (i == 1) {
         metricsPublisher.appACLsUpdated(app, "uers1,user2", 4L);
       } else {
@@ -134,8 +139,8 @@ public class TestSystemMetricsPublisher {
             store.getEntity(appId.toString(),
                 ApplicationMetricsConstants.ENTITY_TYPE,
                 EnumSet.allOf(Field.class));
-        // ensure three events are both published before leaving the loop
-      } while (entity == null || entity.getEvents().size() < 4);
+        // ensure Five events are both published before leaving the loop
+      } while (entity == null || entity.getEvents().size() < 5);
       // verify all the fields
       Assert.assertEquals(ApplicationMetricsConstants.ENTITY_TYPE,
           entity.getEntityType());
@@ -212,6 +217,7 @@ public class TestSystemMetricsPublisher {
       boolean hasUpdatedEvent = false;
       boolean hasFinishedEvent = false;
       boolean hasACLsUpdatedEvent = false;
+      boolean hasStateUpdateEvent = false;
       for (TimelineEvent event : entity.getEvents()) {
         if (event.getEventType().equals(
             ApplicationMetricsConstants.CREATED_EVENT_TYPE)) {
@@ -249,10 +255,21 @@ public class TestSystemMetricsPublisher {
             ApplicationMetricsConstants.ACLS_UPDATED_EVENT_TYPE)) {
           hasACLsUpdatedEvent = true;
           Assert.assertEquals(4L, event.getTimestamp());
+        } else if (event.getEventType().equals(
+              ApplicationMetricsConstants.STATE_UPDATED_EVENT_TYPE)) {
+          hasStateUpdateEvent = true;
+          Assert.assertEquals(event.getTimestamp(), stateUpdateTimeStamp);
+          Assert.assertEquals(YarnApplicationState.RUNNING.toString(), event
+              .getEventInfo().get(
+                   ApplicationMetricsConstants.STATE_EVENT_INFO));
         }
       }
-      Assert.assertTrue(hasCreatedEvent && hasFinishedEvent
-          && hasACLsUpdatedEvent && hasUpdatedEvent);
+      // Do assertTrue verification separately for easier debug
+      Assert.assertTrue(hasCreatedEvent);
+      Assert.assertTrue(hasFinishedEvent);
+      Assert.assertTrue(hasACLsUpdatedEvent);
+      Assert.assertTrue(hasUpdatedEvent);
+      Assert.assertTrue(hasStateUpdateEvent);
     }
   }