Many of us are doing this via web sockets that are exposed on the HE hubs. I am personally using NodeRed to push event and log data into a MySQL database on my NAS.
Just a warning: This is a LONG read.
I'm a NodeRed junkie for home automation tasks. I find it easy to do everything from network monitoring to rotating log files and firing off complex automations in Hubitat that I don't find Rule Manager suitable for.
With that said, the topic here is getting your logs and events from your Hubitat hub and finally into Grafana. I chose Hubitat because I want everything running in my house locally (with some exceptions like Alexa/Google Home, etc). Part of thaβ¦