AMBARI-9607. Storm : DRPC Server does not start on secure cluster. (Eugene C via mahadev)

ambari-server/src/main/resources/common-services/STORM/0.9.1.2.1/package/scripts/params.py

@@ -89,7 +89,7 @@ if security_enabled:
     
     
     _nimbus_principal_name = config['configurations']['storm-env']['nimbus_principal_name']
-    nimbus_jaas_principal = _nimbus_principal_name.replace('_HOST',nimbus_host.lower())
+    nimbus_jaas_principal = _nimbus_principal_name.replace('_HOST', _hostname_lowercase)
     nimbus_bare_jaas_principal = _nimbus_principal_name.replace('/_HOST','').replace('@'+kerberos_domain,'')
     nimbus_keytab_path = config['configurations']['storm-env']['nimbus_keytab']