AMBARI-4623. Add 'yarn.ahs.fs-history-store.uri' config to YARN. (srimanth)

ambari-server/src/main/resources/stacks/HDP/2.1.1/services/YARN/configuration/yarn-site.xml

@@ -351,4 +351,11 @@
     <description></description>
   </property>
 
+  <property>
+    <name>yarn.ahs.fs-history-store.uri</name>
+    <value>/tmp/yarn/system/ahstore</value>
+    <description>
+      Location where YARN's Application History Server stores information.
+    </description>
+  </property>
 </configuration>

ambari-web/app/data/HDP2/site_properties.js

@@ -322,6 +322,17 @@ module.exports =
       "category": "AppTimelineServer",
       "serviceName": "YARN"
     },
+    {
+      "id": "site property",
+      "name": "yarn.ahs.fs-history-store.uri",
+      "displayName": "yarn.ahs.fs-history-store.uri",
+      "value": "",
+      "defaultValue": "/tmp/yarn/system/ahstore",
+      "displayType": "directory",
+      "isVisible": App.supports.appTimelineServer, // @todo remove after Application Timeline Server approving
+      "category": "AppTimelineServer",
+      "serviceName": "YARN"
+    },
   /**********************************************MAPREDUCE2***************************************/
     {
       "id": "site property",