Uses a combination of InfluxDB and Prometheus for data sources with the following exporters:
https://github.com/janw/pi-hole-influx
https://github.com/eko/pihole-exporter
https://github.com/masaruhoshi/uptimerobot-prometheus-exporter
https://docs.netdata.cloud/backends/prometheus/
JSON file with layout provided below (pihole_graphana_layour.json)