NETGEAR switch metrics scrapper

About

this is a foolish attempt to get metrics out of a managed netgear switch. I have tested it with my GS108Ev3.

[!CAUTION] there is no guarantee that this will work with your switch.

Since netgear does not provide an API it basically is webscraping from the port-monitor page. The scraper logs itself in and uses the returned cookie to continue scraping.

Known bugs

this whole construct is super fragile, sometimes the switch doesn't play nice and you get "banned" for around 5 minutes. it often continues.

Usage

the scraper expects two ENV variables:

Key	Value
REMOTE_IP	this is the IP of the switch
PASSWORD	the password used to authenticate against the webUI
PORT	the hostPort the scraper should listen on
LOCATION	where your switch is physically located

the prometheus endpoint is at :<PORT>/metrics.

Finally

No guarantees, no warranty, no nothing. You are on your own. If you have suggestions I'm happy for pull requests. It may take a super long time till I respond. Please don't file issues, I do this in my spare time. Feel free to fork :)