Let's build a Prometheus exporter in Rust
Intro In this post we will build a very simple Prometheus exporter in Rust. Prometheus is a time-series database especially useful in storing and retrieving OS vital signs. It can be paired with Grafana in order to create beautiful dashboards, like this one below: Prometheus is peculiar because instead of receiving the events to store it goes on and retrieves them itself. There is no magic though: Prometheus just calls a preconfigured URI and expects a very specific plain text output....