AMBARI-16649. RegionServer and Nimbus start failed on secure cluster due to Ranger stack changes (gborad via srimanth)

ambari-server/src/main/resources/common-services/HBASE/0.96.0.2.0/package/scripts/params_linux.py

@@ -351,6 +351,8 @@ if has_ranger_admin:
       'type': 'hbase'
     }
 
+  ranger_hbase_principal = None
+  ranger_hbase_keytab = None
   if stack_supports_ranger_kerberos and security_enabled and 'hbase-master' in component_directory.lower():
     ranger_hbase_principal = master_jaas_princ
     ranger_hbase_keytab = master_keytab_path

ambari-server/src/main/resources/common-services/STORM/0.9.1/package/scripts/params_linux.py

@@ -300,6 +300,8 @@ if has_ranger_admin:
       'type': 'storm'
     }
 
+  ranger_storm_principal = None
+  ranger_storm_keytab = None
   if stack_supports_ranger_kerberos and security_enabled and 'storm-nimbus' in status_params.component_directory.lower():
     ranger_storm_principal = nimbus_jaas_principal
     ranger_storm_keytab = nimbus_keytab_path