Is there a graphical interface for Logstash?

Is there a graphical interface for Logstash? If no, can I get a documentation for highly scalable setup for logstash? As I read another post, it was somewhere down the line in 2015.

I am not able to get a full-proof solution for logstash scalable multiple pipelines. I am thinking this as an analytics solution.

You can only visualize logstash pipeline flow like this but configuration is done manually.

For High Availability, you can scale out logstash by adding logstash nodes or integrate it with kafka.

And here are the documents on scaling