YARN-4392. ApplicationCreatedEvent event time resets after RM

restart/failover. Contributed by Naganarasimha G R and Xuan Gong

(cherry picked from commit 4546c7582b6762c18ba150d80a8976eb51a8290c)

Conflicts:
	hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
	hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/impl/TimelineClientImpl.java

@@ -335,7 +335,8 @@ public class TimelineClientImpl extends TimelineClient {
   @Override
   protected void serviceStart() throws Exception {
     timelineWriter = createTimelineWriter(
-        configuration, authUgi, client, resURI);
+        configuration, authUgi, client, constructResURI(getConfig(),
+            getTimelineServiceAddress(), false));
   }
 
   protected TimelineWriter createTimelineWriter(Configuration conf,
@@ -613,7 +614,8 @@ public class TimelineClientImpl extends TimelineClient {
 
   @Override
   public String toString() {
-    return super.toString() + " with timeline server " + resURI
+    return super.toString() + " with timeline server "
+        + constructResURI(getConfig(), getTimelineServiceAddress(), false)
         + " and writer " + timelineWriter;
   }
 

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

@@ -880,6 +880,8 @@ public class RMAppImpl implements RMApp, Recoverable {
     //TODO recover collector address.
     //this.collectorAddr = appState.getCollectorAddr();
 
+    // send the ATS create Event
+    sendATSCreateEvent(this, this.startTime);
     RMAppAttemptImpl preAttempt = null;
     for (ApplicationAttemptId attemptId :
         new TreeSet<>(appState.attempts.keySet())) {
@@ -1861,7 +1863,7 @@ public class RMAppImpl implements RMApp, Recoverable {
     }
     return amNodeLabelExpression;
   }
-  
+
   @Override
   public CallerContext getCallerContext() {
     return callerContext;

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

@@ -18,8 +18,6 @@
 
 package org.apache.hadoop.yarn.server.resourcemanager.rmapp;
 
-import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.ApplicationStateData;
-
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyLong;
 import static org.mockito.Mockito.doReturn;