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pihole-to-influxdb

Introduction

Based slightly on my other project, speedtest-to-influxdb. This project leverages the Pi-Hole API to gather data about your PiHole instance and store it inside of InfluxDB for your future projects. An example dashoard can be found here.

This project is automatically built through GitHub actions and published to DockerHub.

Setup

Configuring the script

The InfluxDB connection settings can be configured as followed:

INFLUX_DB_URL=http://192.168.xxx.xxx:8086
INFLUX_DB_ORG=<your org name>
INFLUX_DB_TOKEN=<token>
INFLUX_DB_BUCKET=pihole

The PiHole settings can be configured as followed:

PIHOLE_URL=http://192.168.xxx.xxx
PIHOLE_INTERVAL=15 Interval in seconds

Optionally you can also configure the following:

PIHOLE_AUTHENTICATION=<token>
LOG_LEVEL=DEBUG
APP_MODE=Totals

Authentication

Certain parts of the API require you to be authenticated, this can be achieved by supplying the PIHOLE_AUTHENTICATION environment variable with the token from the API settings page of the admin interface.

By doing this you'll gain access to two new measurements (tables):

query_types
forward_destinations

and the following app modes:

APP_MODE=Totals This is the default mode
APP_MODE=Live
APP_MODE=Raw

Sidenote

This does mean that your token is stored in plaintext as an environment variable and as such as malicious actor could find it and access your PiHole instance. You are advised to use this at your own risk.

App Modes

The APP_MODE changes the way the script works. The default mode is Totals which will only send the daily totals of the PiHole instance, as displayed in the GUI. Another mode is Live which will send a summary of the Pi-hole queries of the last PIHOLE_INTERVAL seconds. The last mode is Raw which will send the raw data of the Pi-hole queries.

Docker Command

docker run -d --name pihole-to-influx \
  -e 'INFLUX_DB_URL'='<influxdb url>' \
  -e 'INFLUX_DB_ORG'='<influxdb org>' \
  -e 'INFLUX_DB_TOKEN'='<influxdb token>' \
  -e 'INFLUX_DB_BUCKET'='pihole' \
  -e 'PIHOLE_INTERVAL'='1800' \
  -e 'PIHOLE_URL'='192.168.xxx.xxx'  \
  chriscn/pihole-to-influxdb

docker-compose

version: '3'
services:
  pihole-to-influxdb:
    image: chriscn/pihole-to-influxdb
    container_name: pihole-to-influxdb
    environment:
    - "INFLUX_DB_URL=http://192.168.xxx.xxx:8086"
    - "INFLUX_DB_ORG=myOrg"
    - "INFLUX_DB_TOKEN=<token>"
    - "INFLUX_DB_BUCKET=pihole"
    - "PIHOLE_URL=http://192.168.xxx.xxx"
    - "PIHOLE_INTERVAL=15"
    - "PIHOLE_AUTHENTICATION=<token>"
    - "LOG_LEVEL=DEBUG"
    - "APP_MODE=Totals"

README.md