updated kubectl_port_forward_spark.sh

kubernetes/kubectl_port_forward_spark.sh

@@ -81,9 +81,12 @@ fi
 
 timestamp "Launching port forwarding to pod '$spark_driver_pod' port '$spark_port'"
 kubectl port-forward --address 127.0.0.1 ${namespace:+-n "$namespace"} "$spark_driver_pod" "$spark_port":"$spark_port" &
+echo
+url="http://localhost:$spark_port"
+timestamp "Spark UI is now available at: $url"
 
 if is_mac; then
     echo
-    timestamp "Opening URL:  http://localhost:$spark_port"
-    open "http://localhost:$spark_port"
+    timestamp "Opening URL:  $url"
+    open "$url"
 fi