279 lines
10 KiB
Markdown
279 lines
10 KiB
Markdown
# AdguardHome Prometheus Exporter
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/badge.svg?branch=main)
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[](https://godoc.org/github.com/csfreak/adguard-exporter)
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[](https://goreportcard.com/report/github.com/csfreak/adguard-exporter)
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This is a Prometheus exporter for [AdguardHome](https://github.com/AdguardTeam/AdguardHome)'s Raspberry PI ad blocker.
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It is based on the famous pihole-exporter [available here](https://github.com/eko/pihole-exporter/)
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It was forked from ebrianne/adguard-exporter, which is no longer available
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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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[FreeBSD](https://github.com/csfreak/adguard-exporter/releases/latest/download/adguard_exporter-freebsd-386) /
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[Linux](https://github.com/csfreak/adguard-exporter/releases/latest/download/adguard_exporter-linux-386) /
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[Windows](https://github.com/csfreak/adguard-exporter/releases/latest/download/adguard_exporter-windows-386.exe)
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]
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* Architecture **amd64** [
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[Darwin](https://github.com/csfreak/adguard-exporter/releases/latest/download/adguard_exporter-darwin-amd64) /
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[FreeBSD](https://github.com/csfreak/adguard-exporter/releases/latest/download/adguard_exporter-freebsd-amd64) /
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[Linux](https://github.com/csfreak/adguard-exporter/releases/latest/download/adguard_exporter-linux-amd64) /
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[Windows](https://github.com/csfreak/adguard-exporter/releases/latest/download/adguard_exporter-windows-amd64.exe)
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]
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* Architecture **arm** [
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[Linux](https://github.com/csfreak/adguard-exporter/releases/latest/download/adguard_exporter-linux-arm)
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]
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* Architecture **arm64** [
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[Linux](https://github.com/csfreak/adguard-exporter/releases/latest/download/adguard_exporter-linux-arm64) /
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[Darwin](https://github.com/csfreak/adguard-exporter/releases/latest/download/adguard_exporter-darwin-arm64)
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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/csfreak/adguard-exporter
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# or
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$ git clone https://github.com/csfreak/adguard-exporter.git
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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 adguard_exporter .
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```
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## Using Docker
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The exporter has been made available as a docker image. You can simply run it by the following command and pass the configuration with environment variables:
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```bash
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docker run \
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-e 'adguard_protocol=http' \
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-e 'adguard_hostname=192.168.10.252' \
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-e 'adguard_username=admin' \
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-e 'adguard_password=mypassword' \
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-e 'adguard_port=' \ #optional if adguard is not using port 80 (http)/443 (https)
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-e 'interval=10s' \
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-e 'log_limit=10000' \
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-e 'server_port=9617' \
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-p 9617:9617 \
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csfreak/adguard-exporter:latest
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```
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If you prefer you can use an .env file where the environment variables are defined and using the command:
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```bash
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docker run --env-file=.env -p 9617:9617 \
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csfreak/adguard-exporter:latest
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```
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You can also use docker-compose passing the environment file or using secrets locally
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### Local with environment file
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```yml
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version: "3.7"
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services:
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adguard_exporter:
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image: csfreak/adguard-exporter:latest
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restart: always
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ports:
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- "9617:9617"
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env_file:
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- .env
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```
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### Local with secret file (compose version 3 minimum)
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```yml
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version: "3.7"
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secrets:
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my-adguard-pass:
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file: ./my-adguard-pass.txt
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services:
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adguard_exporter:
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image: csfreak/adguard-exporter:latest
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restart: always
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secrets:
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- my-adguard-pass
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ports:
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- "9617:9617"
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environment:
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- adguard_protocol=http
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- adguard_hostname=192.168.10.252
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- adguard_username=admin
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- adguard_password=/run/secrets/my-adguard-pass
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- adguard_port= #optional
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- server_port=9617
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- interval=10s
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- log_limit=10000
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- password_from_file=true
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```
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### Swarm mode (docker swarm init)
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```bash
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echo "mypassword" | docker secret create my-adguard-pass -
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```
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Here is an example of docker-compose file.
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```yml
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version: "3.7"
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secrets:
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my-adguard-pass:
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external: true
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services:
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adguard_exporter:
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image: csfreak/adguard-exporter:latest
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restart: always
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secrets:
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- my-adguard-pass
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ports:
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- "9617:9617"
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environment:
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- adguard_protocol=http
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- adguard_hostname=192.168.10.252
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- adguard_username=admin
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- adguard_password=/run/secrets/my-adguard-pass
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- adguard_port= #optional
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- server_port=9617
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- interval=10s
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- log_limit=10000
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- password_from_file=true
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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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Using a password
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```bash
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$ ./adguard_exporter -adguard_protocol https -adguard_hostname 192.168.10.252 -adguard_username admin -adguard_password qwerty -log_limit 10000
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```
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```bash
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2020/11/04 17:16:14 ---------------------------------------
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2020/11/04 17:16:14 - AdGuard Home exporter configuration -
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2020/11/04 17:16:14 ---------------------------------------
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2020/11/04 17:16:14 AdguardProtocol : https
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2020/11/04 17:16:14 AdguardHostname : 192.168.10.252
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2020/11/04 17:16:14 AdguardUsername : admin
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2020/11/04 17:16:14 AdGuard Authentication Method : AdguardPassword
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2020/11/04 17:16:14 ServerPort : 9617
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2020/11/04 17:16:14 Interval : 10s
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2020/11/04 17:16:14 LogLimit : 10000
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2020/11/04 17:16:14 ---------------------------------------
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2020/11/04 17:16:14 New Prometheus metric registered: avg_processing_time
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2020/11/04 17:16:14 New Prometheus metric registered: num_dns_queries
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2020/11/04 17:16:14 New Prometheus metric registered: num_blocked_filtering
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2020/11/04 17:16:14 New Prometheus metric registered: num_replaced_parental
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2020/11/04 17:16:14 New Prometheus metric registered: num_replaced_safebrowsing
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2020/11/04 17:16:14 New Prometheus metric registered: num_replaced_safesearch
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2020/11/04 17:16:14 New Prometheus metric registered: top_queried_domains
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2020/11/04 17:16:14 New Prometheus metric registered: top_blocked_domains
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2020/11/04 17:16:14 New Prometheus metric registered: top_clients
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2020/11/04 17:16:14 New Prometheus metric registered: query_types
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2020/11/04 17:16:14 New Prometheus metric registered: running
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2020/11/04 17:16:14 New Prometheus metric registered: protection_enabled
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2020/11/04 17:16:14 Starting HTTP server
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2020/11/04 17:16:30 New tick of statistics: 3824 ads blocked / 36367 total DNS queries
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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: 'adguard'
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static_configs:
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- targets: ['localhost:9617']
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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 Adguard
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-interval duration (optional) (default 10s)
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# Protocol to use to query Adguard
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-adguard_protocol string (optional: "http", "https") (default "http")
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# Hostname of the Raspberry PI where Adguard is installed
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-adguard_hostname string (optional) (default "127.0.0.1")
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# Username to login to Adguard Home
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-adguard_username string (optional)
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# Password defined on the Adguard interface
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-adguard_password string (optional)
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# Port to use to communicate with Adguard API
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-adguard_port string (optional)
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# Limit for the return log data
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-log_limit string (optional) (default "1000")
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# Port to be used for the exporter
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-server_port string (optional) (default "9617")
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```
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## Available Prometheus metrics
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| Metric name | Description |
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| adguard_avg_processing_time | This represent the average DNS query processing time |
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| adguard_num_blocked_filtering | This represent the number of blocked DNS queries |
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| adguard_num_dns_queries | This represent the number of DNS queries |
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| adguard_num_replaced_parental | This represent the number of blocked DNS queries (parental) |
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| adguard_num_replaced_safebrowsing | This represent the number of blocked DNS queries (safe browsing) |
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| adguard_num_replaced_safesearch | This represent the number of blocked DNS queries (safe search) |
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| adguard_top_blocked_domains | This represent the top blocked domains |
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| adguard_top_clients | This represent the top clients |
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| adguard_top_queried_domains | This represent the top domains that are queried |
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| adguard_query_types | This represent the types of DNS queries |
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| running | Is Adguard running? |
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| protection_enabled | Is the protection enabled? |
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## Systemd file
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### Ubuntu
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One can enable the program to work at startup by writing a systemd file. You can put this file in /etc/systemd/system/adguard-home.service
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```
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[Unit]
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Description=AdGuard-Exporter
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After=syslog.target network-online.target
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Requires=AdGuardHome.Service
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[Service]
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ExecStart=/opt/adguard_exporter/adguard_exporter-linux-arm -adguard_protocol http -adguard_hostname <hostname> -adguard_username <username> -adguard_password <password> -log_limit 5000
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Restart=on-failure
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RestartSec=10s
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[Install]
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WantedBy=multi-user.target
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```
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Then do this command to start the service:
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```
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$ sudo systemctl start adguard-home.service
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```
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To enable the service at startup:
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```
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$ sudo systemctl enable adguard-home.service
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```
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