mirror of
https://github.com/eko/pihole-exporter.git
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153 lines
7.3 KiB
Markdown
153 lines
7.3 KiB
Markdown
# PI-Hole Prometheus Exporter
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[](https://travis-ci.org/eko/pihole-exporte)
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[](https://godoc.org/github.com/eko/pihole-exporter)
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[](https://goreportcard.com/report/github.com/eko/pihole-exporter)
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This is a Prometheus exporter for [PI-Hole](https://pi-hole.net/)'s Raspberry PI ad blocker.
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Grafana dashboard is [available here](https://grafana.com/dashboards/10176).
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## Prerequisites
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* [Go](https://golang.org/doc/)
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## Installation
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### Download binary
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You can download the latest version of the binary built for your architecture here:
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* Architecture **i386** [
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[Darwin](https://github.com/eko/pihole-exporter/releases/latest/download/pihole_exporter-darwin-386) /
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[Linux](https://github.com/eko/pihole-exporter/releases/latest/download/pihole_exporter-linux-386) /
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[Windows](https://github.com/eko/pihole-exporter/releases/latest/download/pihole_exporter-windows-386.exe)
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]
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* Architecture **amd64** [
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[Darwin](https://github.com/eko/pihole-exporter/releases/latest/download/pihole_exporter-darwin-amd64) /
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[Linux](https://github.com/eko/pihole-exporter/releases/latest/download/pihole_exporter-linux-amd64) /
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[Windows](https://github.com/eko/pihole-exporter/releases/latest/download/pihole_exporter-windows-amd64.exe)
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]
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* Architecture **arm** [
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[Linux](https://github.com/eko/pihole-exporter/releases/latest/download/pihole_exporter-linux-arm)
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]
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### Using Docker
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The exporter is also available as a [Docker image](https://hub.docker.com/r/ekofr/pihole-exporter).
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You can run it using the following example and pass configuration environment variables:
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```
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$ docker run \
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-e 'PIHOLE_HOSTNAME=192.168.1.2' \
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-e 'PIHOLE_PASSWORD=mypassword' \
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-e 'INTERVAL=30s' \
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-e 'PORT=93111' \
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ekofr/pihole-exporter:latest
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```
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### From sources
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Optionally, you can download and build it from the sources. You have to retrieve the project sources by using one of the following way:
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```bash
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$ go get -u github.com/eko/pihole-exporter
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# or
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$ git clone https://github.com/eko/pihole-exporter.git
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```
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Install the needed vendors:
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```
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$ GO111MODULE=on go mod vendor
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```
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Then, build the binary (here, an example to run on Raspberry PI ARM architecture):
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```bash
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$ GOOS=linux GOARCH=arm GOARM=7 go build -o pihole_exporter .
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```
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## Usage
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In order to run the exporter, type the following command (arguments are optional):
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```bash
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$ ./pihole_exporter -pihole_hostname 192.168.1.10 -pihole_password azerty
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2019/05/09 20:19:52 ------------------------------------
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2019/05/09 20:19:52 - PI-Hole exporter configuration -
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2019/05/09 20:19:52 ------------------------------------
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2019/05/09 20:19:52 PIHoleHostname : 192.168.1.10
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2019/05/09 20:19:52 PIHolePassword : azerty
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2019/05/09 20:19:52 Port : 9311
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2019/05/09 20:19:52 Interval : 10s
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2019/05/09 20:19:52 ------------------------------------
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2019/05/09 20:19:52 New Prometheus metric registered: domains_blocked
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2019/05/09 20:19:52 New Prometheus metric registered: dns_queries_today
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2019/05/09 20:19:52 New Prometheus metric registered: ads_blocked_today
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2019/05/09 20:19:52 New Prometheus metric registered: ads_percentag_today
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2019/05/09 20:19:52 New Prometheus metric registered: unique_domains
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2019/05/09 20:19:52 New Prometheus metric registered: queries_forwarded
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2019/05/09 20:19:52 New Prometheus metric registered: queries_cached
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2019/05/09 20:19:52 New Prometheus metric registered: clients_ever_seen
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2019/05/09 20:19:52 New Prometheus metric registered: unique_clients
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2019/05/09 20:19:52 New Prometheus metric registered: dns_queries_all_types
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2019/05/09 20:19:52 New Prometheus metric registered: reply
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2019/05/09 20:19:52 New Prometheus metric registered: top_queries
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2019/05/09 20:19:52 New Prometheus metric registered: top_ads
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2019/05/09 20:19:52 New Prometheus metric registered: top_sources
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2019/05/09 20:19:52 New Prometheus metric registered: forward_destinations
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2019/05/09 20:19:52 New Prometheus metric registered: querytypes
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2019/05/09 20:19:52 New Prometheus metric registered: status
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2019/05/09 20:19:52 Starting HTTP server
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2019/05/09 20:19:54 New tick of statistics: 648 ads blocked / 66796 total DNS querie
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...
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```
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Once the exporter is running, you also have to update your `prometheus.yml` configuration to let it scrape the exporter:
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```yaml
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scrape_configs:
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- job_name: 'pihole'
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static_configs:
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- targets: ['localhost:9311']
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```
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## Available CLI options
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```bash
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# Interval of time the exporter will fetch data from PI-Hole
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-interval duration (optional) (default 10s)
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# Hostname of the Raspberry PI where PI-Hole is installed
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-pihole_hostname string (optional) (default "127.0.0.1")
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# Password defined on the PI-Hole interface
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-pihole_password string (optional)
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# Port to be used for the exporter
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-port string (optional) (default "9311")
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```
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## Available Prometheus metrics
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| Metric name | Description |
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| pihole_domains_being_blocked | This represent the number of domains being blocked |
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| pihole_dns_queries_today | This represent the number of DNS queries made over the current day |
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| pihole_ads_blocked_today | This represent the number of ads blocked over the current day |
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| pihole_ads_percentage_today | This represent the percentage of ads blocked over the current day |
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| pihole_unique_domains | This represent the number of unique domains seen |
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| pihole_queries_forwarded | This represent the number of queries forwarded |
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| pihole_queries_cached | This represent the number of queries cached |
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| pihole_clients_ever_seen | This represent the number of clients ever seen |
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| pihole_unique_clients | This represent the number of unique clients seen |
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| pihole_dns_queries_all_types | This represent the number of DNS queries made for all types |
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| pihole_reply | This represent the number of replies made for all types |
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| pihole_top_queries | This represent the number of top queries made by PI-Hole by domain |
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| pihole_top_ads | This represent the number of top ads made by PI-Hole by domain |
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| pihole_top_sources | This represent the number of top sources requests made by PI-Hole by source host |
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| pihole_forward_destinations | This represent the number of forward destinations requests made by PI-Hole by destination |
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| pihole_querytypes | This represent the number of queries made by PI-Hole by type |
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| pihole_status | This represent if PI-Hole is enabled |
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