PI-Hole Prometheus Exporter

This is a Prometheus exporter for PI-Hole's Raspberry PI ad blocker.

Prerequisites

Installation

From sources

First, retrieve the project:

$ go get -u github.com/eko/pihole-exporter
# or
$ git clone https://github.com/eko/pihole-exporter.git

Then, build the binary (here, an example to run on Raspberry PI ARM architecture):

$ GOOS=linux GOARCH=arm GOARM=7 go build -o pihole_exporter .

Download binary

You can also download the latest version of the binary built for your architecture here:

Architecture i386 [ Darwin / Linux / Windows ]
Architecture amd64 [ Darwin / Linux / Windows ]
Architecture arm [ Linux ]

Usage

In order to run the exporter, type the following command (arguments are optional):

$ ./pihole_exporter -pihole_hostname 192.168.1.10 -pihole_password azerty

2019/05/09 09:32:19 ------------------------------------
2019/05/09 09:32:19 -  PI-Hole exporter configuration  -
2019/05/09 09:32:19 ------------------------------------
2019/05/09 09:32:19 PIHoleHostname : 192.168.1.10
2019/05/09 09:32:19 PIHolePassword : azerty
2019/05/09 09:32:19 Port : 9311
2019/05/09 09:32:19 Interval : 10s
2019/05/09 09:32:19 ------------------------------------
2019/05/09 09:32:19 New prometheus metric registered: Desc{fqName: "pihole_domains_being_blocked", help: "This represent the number of domains being blocked", constLabels: {}, variableLabels: []}
2019/05/09 09:32:19 New prometheus metric registered: Desc{fqName: "pihole_dns_queries_today", help: "This represent the number of DNS queries made over the current day", constLabels: {}, variableLabels: []}
2019/05/09 09:32:19 New prometheus metric registered: Desc{fqName: "pihole_ads_blocked_today", help: "This represent the number of ads blocked over the current day", constLabels: {}, variableLabels: []}
2019/05/09 09:32:19 New prometheus metric registered: Desc{fqName: "pihole_ads_percentage_today", help: "This represent the percentage of ads blocked over the current day", constLabels: {}, variableLabels: []}
2019/05/09 09:32:19 New prometheus metric registered: Desc{fqName: "pihole_unique_domains", help: "This represent the number of unique domains seen", constLabels: {}, variableLabels: []}
2019/05/09 09:32:19 New prometheus metric registered: Desc{fqName: "pihole_queries_forwarded", help: "This represent the number of queries forwarded", constLabels: {}, variableLabels: []}
2019/05/09 09:32:19 New prometheus metric registered: Desc{fqName: "pihole_queries_cached", help: "This represent the number of queries cached", constLabels: {}, variableLabels: []}
2019/05/09 09:32:19 New prometheus metric registered: Desc{fqName: "pihole_clients_ever_seen", help: "This represent the number of clients ever seen", constLabels: {}, variableLabels: []}
2019/05/09 09:32:19 New prometheus metric registered: Desc{fqName: "pihole_unique_clients", help: "This represent the number of unique clients seen", constLabels: {}, variableLabels: []}
2019/05/09 09:32:19 New prometheus metric registered: Desc{fqName: "pihole_dns_queries_all_types", help: "This represent the number of DNS queries made for all types", constLabels: {}, variableLabels: []}
2019/05/09 09:32:19 Starting HTTP server
...

Available options

# Interval of time the exporter will fetch data from PI-Hole
  -interval duration (optional) (default 10s)

# Hostname of the Raspberry PI where PI-Hole is installed
  -pihole_hostname string (optional) (default "127.0.0.1")

# Password defined on the PI-Hole interface
  -pihole_password string (optional)

# Port to be used for the exporter
  -port string (optional) (default "9311")

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