When installing the NSX Application Platform you probably also want to scrape the metrics it provides via its REST API.
This simple python script spins up a web server and periodically scrapes the metrics, while consuming a maximum of 30 API calls per second. This is by no means feature complete, but a great starting point to develop on top of it.
Just add your connection details and give it a try!
Download the script from GitHub here: https://github.com/lukasrueckerl/nsxt-metrics-exporter
