promtestsource

About

This is a very simple prometheus metrics target that can be scraped.

After start it let's the user set a new value for the gauge that it exposes for prometheus.

Usage

Just use

go run promtestsource.go

or

go run promtestsource.go :5002

to set a different port and run multiple instances.

Test

Fetch the current metrics manually with

curl http://localhost:5001/metrics

Why

Simple way to trigger alerts and test them.