Expanding Pi-Hole Stats with Prometheus

The other day I came across a Prometheus Exporter for Pi-hole (found in a comment on /r/pihole) that gives WAY more stats/data compared to the InfluxDB script I posted about awhile back. With this exporter, I was able to setup a more detailed dashboard. Now currently I only have this setup for a single instance

Forcing devices to use Pi-Hole

So currently I have a few “smart home” devices and a few of them have hard coded DNS servers they use for DNS queries. Most notably my Google devices… So I went ahead and setup two NAT rewrite rules on my ER-Lite that forced all devices to go through my Pi-Hole DNS server. If you