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23 changed files with 392 additions and 3261 deletions

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@ -1,6 +1,6 @@
# Contributing
Pi-hole exporter is an open source project, completely opened to be a community-driven project.
PI-Hole exporter is an open source project, completely opened to be a community-driven project.
If you'd like to contribute, you are free to do so.

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@ -1,14 +0,0 @@
version: 2
updates:
- package-ecosystem: gomod
directory: "/"
schedule:
interval: daily
time: "04:00"
open-pull-requests-limit: 10
- package-ecosystem: docker
directory: "/"
schedule:
interval: daily
time: "04:00"
open-pull-requests-limit: 10

31
.github/main.workflow vendored Normal file
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@ -0,0 +1,31 @@
workflow "Build and Publish" {
on = "push"
resolves = ["Master", "Docker Push"]
}
# Filter for master branch
action "Master" {
uses = "actions/bin/filter@master"
args = "branch master"
}
action "Docker Build" {
uses = "actions/docker/cli@fe7ed3ce992160973df86480b83a2f8ed581cd50"
needs = ["Master"]
args = "build -t pihole-exporter ."
}
action "Docker Registry" {
uses = "actions/docker/login@fe7ed3ce992160973df86480b83a2f8ed581cd50"
env = {
DOCKER_REGISTRY_URL = "docker.pkg.github.com"
}
secrets = ["DOCKER_PASSWORD", "DOCKER_USERNAME"]
needs = ["Docker Build"]
}
action "Docker Push" {
uses = "actions/docker/cli@fe7ed3ce992160973df86480b83a2f8ed581cd50"
args = "push pihole-exporter"
needs = ["Docker Registry"]
}

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@ -1,52 +0,0 @@
name: Test (master)
on:
push:
branches:
- master
jobs:
test:
runs-on: ubuntu-latest
strategy:
matrix:
go_version: [ '1.20' ]
steps:
- uses: actions/checkout@v3
- uses: actions/setup-go@v3
with:
go-version: ${{ matrix.go_version }}
- name: Install go dependencies
run: go get -t -v ./...
- name: Run go tests
run: go test -v -cover -race ./...
docker-build:
runs-on: ubuntu-latest
needs: test
steps:
- uses: actions/checkout@v3
- uses: azure/docker-login@v1
with:
username: ${{ secrets.DOCKER_USERNAME }}
password: ${{ secrets.DOCKER_PASSWORD }}
- name: Set up docker buildx
id: buildx
uses: crazy-max/ghaction-docker-buildx@v1
with:
buildx-version: latest
qemu-version: latest
- name: Docker buildx available platforms
run: echo ${{ steps.buildx.outputs.platforms }}
- name: Run docker buildx build
run: |
docker buildx build \
--platform linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64 \
--output=type=registry,push=true \
--tag ekofr/pihole-exporter:latest \
.

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@ -1,138 +0,0 @@
name: Build/Push (tag)
on:
push:
tags:
- '*'
jobs:
test:
runs-on: ubuntu-latest
strategy:
matrix:
go_version: [ '1.20' ]
steps:
- uses: actions/checkout@v3
- uses: actions/setup-go@v3
with:
go-version: ${{ matrix.go_version }}
- run: go get -t -v ./...
- run: go test -v -race ./...
docker-build:
runs-on: ubuntu-latest
needs: test
steps:
- uses: actions/checkout@v3
- uses: azure/docker-login@v1
with:
username: ${{ secrets.DOCKER_USERNAME }}
password: ${{ secrets.DOCKER_PASSWORD }}
- name: Set up docker buildx
id: buildx
uses: crazy-max/ghaction-docker-buildx@v1
with:
buildx-version: latest
qemu-version: latest
- name: Docker buildx available platforms
run: echo ${{ steps.buildx.outputs.platforms }}
- name: Get the version
id: get_version
run: echo ::set-output name=TAG_NAME::${GITHUB_REF/refs\/tags\//}
- name: Run docker buildx build
run: |
docker buildx build \
--platform linux/386,linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64 \
--output=type=registry,push=true \
--tag ekofr/pihole-exporter:${{ steps.get_version.outputs.TAG_NAME }} \
.
release:
runs-on: ubuntu-latest
needs: test
steps:
- name: Create release
id: create
uses: actions/create-release@v1
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
with:
tag_name: ${{ github.ref }}
release_name: ${{ github.ref }}
draft: false
prerelease: false
outputs:
upload_url: ${{ steps.create.outputs.upload_url }}
upload:
needs: release
strategy:
matrix:
include:
- os: ubuntu-latest
goos: linux
goarch: 386
- os: ubuntu-latest
goos: linux
goarch: amd64
- os: ubuntu-latest
goos: linux
goarch: arm
- os: macos-latest
goos: darwin
goarch: amd64
- os: macos-latest
goos: darwin
goarch: arm64
- os: ubuntu-latest
goos: windows
goarch: 386
extension: '.exe'
- os: ubuntu-latest
goos: windows
goarch: amd64
extension: '.exe'
runs-on: ${{ matrix.os }}
steps:
- uses: actions/checkout@v3
- uses: actions/setup-go@v3
with:
go-version: '1.20'
- name: Download go dependencies
run: go get -t -v ./...
# Release File
- name: Create release
run: GOOS=${{ matrix.goos }} GOARCH=${{ matrix.goarch }} go build -ldflags "-s -w" -o pihole_exporter-${{ matrix.goos }}-${{ matrix.goarch }}${{ matrix.extension }} ./
- name: Upload release assets
id: upload-release-asset
uses: actions/upload-release-asset@v1
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
with:
upload_url: ${{ needs.release.outputs.upload_url }}${{ matrix.extension }}
asset_path: ./pihole_exporter-${{ matrix.goos }}-${{ matrix.goarch }}${{ matrix.extension }}
asset_name: pihole_exporter-${{ matrix.goos }}-${{ matrix.goarch }}${{ matrix.extension }}
asset_content_type: application/octet-stream
# SHA256 Sum File
- name: Create SHA256 sum
run: sha256sum pihole_exporter-${{ matrix.goos }}-${{ matrix.goarch }}${{ matrix.extension }} > pihole_exporter-${{ matrix.goos }}-${{ matrix.goarch }}${{ matrix.extension }}.sha256.txt
- name: Upload release assets
id: upload-release-sum-asset
uses: actions/upload-release-asset@v1
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
with:
upload_url: ${{ needs.release.outputs.upload_url }}${{ matrix.extension }}.sha256.txt
asset_path: ./pihole_exporter-${{ matrix.goos }}-${{ matrix.goarch }}${{ matrix.extension }}.sha256.txt
asset_name: pihole_exporter-${{ matrix.goos }}-${{ matrix.goarch }}${{ matrix.extension }}.sha256.txt
asset_content_type: application/octet-stream

1
.gitignore vendored
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@ -1,7 +1,6 @@
vendor
bin
tmp
.vscode
report.xml
debug

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@ -1,18 +0,0 @@
repos:
- repo: https://github.com/dnephin/pre-commit-golang
rev: v0.5.1
hooks:
- id: go-fmt
- id: go-vet
- id: validate-toml
- id: no-go-testing
- id: go-unit-tests
- id: go-build
- id: go-mod-tidy
- repo: https://github.com/pre-commit/pre-commit-hooks.git
rev: v4.3.0
hooks:
- id: end-of-file-fixer
- id: trailing-whitespace
- id: mixed-line-ending
- id: check-merge-conflict

42
.travis.yml Normal file
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@ -0,0 +1,42 @@
language: go
matrix:
include:
- go: 1.x
env: LATEST=true
- go: 1.8.x
- go: 1.9.x
- go: 1.10.x
- go: 1.11.x
- go: 1.12.x
- go: tip
allow_failures:
- go: tip
before_install:
- go get github.com/mitchellh/gox
install:
- export GO111MODULE=on
- go get -t -v ./...
script:
- go test -v -race ./...
- if [ "${LATEST}" = "true" ]; then gox -ldflags "-s -w" -os="linux darwin windows" -arch="386 amd64" -osarch="linux/arm" -output="pihole_exporter-{{.OS}}-{{.Arch}}" -verbose ./...; fi
deploy:
provider: releases
skip_cleanup: true
api_key:
secure: $GITHUB_TOKEN
file:
- pihole_exporter-windows-386.exe
- pihole_exporter-windows-amd64.exe
- pihole_exporter-darwin-386
- pihole_exporter-darwin-amd64
- pihole_exporter-linux-386
- pihole_exporter-linux-amd64
- pihole_exporter-linux-arm
on:
repo: eko/pihole-exporter
tags: true
condition: $LATEST = true

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@ -1,18 +1,16 @@
ARG IMAGE=scratch
ARG OS=linux
ARG ARCH=amd64
FROM golang:1.21.2-alpine3.17 as builder
FROM golang:alpine as builder
WORKDIR /go/src/github.com/eko/pihole-exporter
COPY . .
RUN apk --no-cache add git alpine-sdk
RUN apk update && \
apk --no-cache add git alpine-sdk upx
RUN GO111MODULE=on go mod vendor
RUN CGO_ENABLED=0 GOOS=$OS GOARCH=$ARCH go build -ldflags '-s -w' -o binary ./
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags '-s -w' -o binary ./
RUN upx -f --brute binary
FROM $IMAGE
FROM scratch
LABEL name="pihole-exporter"

120
README.md
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@ -1,17 +1,14 @@
# Pi-hole Prometheus Exporter
# PI-Hole Prometheus Exporter
![Build/Push (master)](https://github.com/eko/pihole-exporter/workflows/Build/Push%20(master)/badge.svg)
[![TravisBuildStatus](https://api.travis-ci.org/eko/pihole-exporter.svg?branch=master)](https://travis-ci.org/eko/pihole-exporte)
[![GoDoc](https://godoc.org/github.com/eko/pihole-exporter?status.png)](https://godoc.org/github.com/eko/pihole-exporter)
[![GoReportCard](https://goreportcard.com/badge/github.com/eko/pihole-exporter)](https://goreportcard.com/report/github.com/eko/pihole-exporter)
This is a Prometheus exporter for [Pi-hole](https://pi-hole.net/)'s Raspberry PI ad blocker.
This is a Prometheus exporter for [PI-Hole](https://pi-hole.net/)'s Raspberry PI ad blocker.
![Grafana dashboard](https://raw.githubusercontent.com/eko/pihole-exporter/master/dashboard.jpg)
Available Grafana Dasboards:
* Prometheus: [Grafana Labs](https://grafana.com/grafana/dashboards/10176-pi-hole-exporter/) / [JSON/Github](https://raw.githubusercontent.com/eko/pihole-exporter/master/grafana/dashboard.json) --> [Preview](https://raw.githubusercontent.com/eko/pihole-exporter/master/dashboard.jpg)
* InfluxDB 2 (Flux): [Grafana Labs](https://grafana.com/grafana/dashboards/17094-pi-hole-exporter-influxdb-2/) / [JSON/Github](https://raw.githubusercontent.com/eko/pihole-exporter/master/grafana/dashboard-influxdb2.json) --> [Preview](https://raw.githubusercontent.com/eko/pihole-exporter/master/dashboard-influxdb2.png)
Grafana dashboard is [available here](https://grafana.com/dashboards/10176) on the Grafana dashboard website and also [here](https://raw.githubusercontent.com/eko/pihole-exporter/master/grafana/dashboard.json) on the GitHub repository.
## Prerequisites
@ -24,6 +21,7 @@ Available Grafana Dasboards:
You can download the latest version of the binary built for your architecture here:
* Architecture **i386** [
[Darwin](https://github.com/eko/pihole-exporter/releases/latest/download/pihole_exporter-darwin-386) /
[Linux](https://github.com/eko/pihole-exporter/releases/latest/download/pihole_exporter-linux-386) /
[Windows](https://github.com/eko/pihole-exporter/releases/latest/download/pihole_exporter-windows-386.exe)
]
@ -33,7 +31,6 @@ You can download the latest version of the binary built for your architecture he
[Windows](https://github.com/eko/pihole-exporter/releases/latest/download/pihole_exporter-windows-amd64.exe)
]
* Architecture **arm** [
[Darwin](https://github.com/eko/pihole-exporter/releases/latest/download/pihole_exporter-darwin-arm64) /
[Linux](https://github.com/eko/pihole-exporter/releases/latest/download/pihole_exporter-linux-arm)
]
@ -46,61 +43,8 @@ You can run it using the following example and pass configuration environment va
$ docker run \
-e 'PIHOLE_HOSTNAME=192.168.1.2' \
-e 'PIHOLE_PASSWORD=mypassword' \
-e 'INTERVAL=30s' \
-e 'PORT=9617' \
-p 9617:9617 \
ekofr/pihole-exporter:latest
```
Or use PiHole's `WEBPASSWORD` as an API token instead of the password
```bash
$ API_TOKEN=$(awk -F= -v key="WEBPASSWORD" '$1==key {print $2}' /etc/pihole/setupVars.conf)
$ docker run \
-e 'PIHOLE_HOSTNAME=192.168.1.2' \
-e "PIHOLE_API_TOKEN=$API_TOKEN" \
-e 'PORT=9617' \
-p 9617:9617 \
ekofr/pihole-exporter:latest
```
If you are running pi-hole behind https, you must both set the `PIHOLE_PROTOCOL` environment variable
as well as include your ssl certificates to the docker image as it does not have any baked in:
```
$ docker run \
-e 'PIHOLE_PROTOCOL=https' \
-e 'PIHOLE_HOSTNAME=192.168.1.2' \
-e 'PIHOLE_PASSWORD=mypassword' \
-e 'PORT=9617' \
-v '/etc/ssl/certs:/etc/ssl/certs:ro' \
-p 9617:9617 \
ekofr/pihole-exporter:latest
```
A single instance of pihole-exporter can monitor multiple pi-holes instances.
To do so, you can specify a list of hostnames, protocols, passwords/API tokens and ports by separating them with commas in their respective environment variable:
```
$ docker run \
-e 'PIHOLE_PROTOCOL=http,http,http" \
-e 'PIHOLE_HOSTNAME=192.168.1.2,192.168.1.3,192.168.1.4"' \
-e "PIHOLE_API_TOKEN=$API_TOKEN1,$API_TOKEN2,$API_TOKEN3" \
-e "PIHOLE_PORT=8080,8081,8080" \
-e 'PORT=9617' \
-p 9617:9617 \
ekofr/pihole-exporter:latest
```
If port, protocol and API token/password is the same for all instances, you can specify them only once:
```
$ docker run \
-e 'PIHOLE_PROTOCOL=http" \
-e 'PIHOLE_HOSTNAME=192.168.1.2,192.168.1.3,192.168.1.4"' \
-e "PIHOLE_API_TOKEN=$API_TOKEN" \
-e "PIHOLE_PORT=8080" \
-e 'PORT=9617' \
-p 9617:9617 \
ekofr/pihole-exporter:latest
```
@ -108,7 +52,7 @@ $ docker run \
Optionally, you can download and build it from the sources. You have to retrieve the project sources by using one of the following way:
```bash
$ go install github.com/eko/pihole-exporter@latest
$ go get -u github.com/eko/pihole-exporter
# or
$ git clone https://github.com/eko/pihole-exporter.git
```
@ -128,27 +72,16 @@ $ GOOS=linux GOARCH=arm GOARM=7 go build -o pihole_exporter .
In order to run the exporter, type the following command (arguments are optional):
Using a password
```bash
$ ./pihole_exporter -pihole_hostname 192.168.1.10 -pihole_password azerty
```
Or use PiHole's `WEBPASSWORD` as an API token instead of the password
```bash
$ API_TOKEN=$(awk -F= -v key="WEBPASSWORD" '$1==key {print $2}' /etc/pihole/setupVars.conf)
$ ./pihole_exporter -pihole_hostname 192.168.1.10 -pihole_api_token $API_TOKEN
```
```bash
2019/05/09 20:19:52 ------------------------------------
2019/05/09 20:19:52 - Pi-hole exporter configuration -
2019/05/09 20:19:52 - PI-Hole exporter configuration -
2019/05/09 20:19:52 ------------------------------------
2019/05/09 20:19:52 PIHoleHostname : 192.168.1.10
2019/05/09 20:19:52 PIHolePassword : azerty
2019/05/09 20:19:52 Port : 9617
2019/05/09 20:19:52 Timeout : 5s
2019/05/09 20:19:52 Interval : 10s
2019/05/09 20:19:52 ------------------------------------
2019/05/09 20:19:52 New Prometheus metric registered: domains_blocked
2019/05/09 20:19:52 New Prometheus metric registered: dns_queries_today
@ -183,21 +116,15 @@ scrape_configs:
## Available CLI options
```bash
# Hostname of the host(s) where Pi-hole is installed
# 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
# Password defined on the PI-Hole interface
-pihole_password string (optional)
# Timeout to connect and retrieve data from a Pi-hole instance
-timeout duration (optional) (default 5s)
# WEBPASSWORD / api token defined on the Pi-hole interface at `/etc/pihole/setupVars.conf`
-pihole_api_token string (optional)
# Address to be used for the exporter
-bind_addr string (optional) (default "0.0.0.0")
# Port to be used for the exporter
-port string (optional) (default "9617")
```
@ -217,16 +144,9 @@ scrape_configs:
| pihole_unique_clients | This represent the number of unique clients seen |
| pihole_dns_queries_all_types | This represent the number of DNS queries made for all types |
| pihole_reply | This represent the number of replies made for all types |
| pihole_top_queries | This represent the number of top queries made by Pi-hole by domain |
| pihole_top_ads | This represent the number of top ads made by Pi-hole by domain |
| pihole_top_sources | This represent the number of top sources requests made by Pi-hole by source host |
| pihole_forward_destinations | This represent the number of forward destinations requests made by Pi-hole by destination |
| pihole_querytypes | This represent the number of queries made by Pi-hole by type |
| pihole_status | This represent if Pi-hole is enabled |
## Pihole-Exporter Helm Chart
[Link](https://github.com/SiM22/pihole-exporter-helm-chart)
This is a simple Helm Chart to deploy the exporter in a kubernetes cluster.
| pihole_top_queries | This represent the number of top queries made by PI-Hole by domain |
| pihole_top_ads | This represent the number of top ads made by PI-Hole by domain |
| pihole_top_sources | This represent the number of top sources requests made by PI-Hole by source host |
| pihole_forward_destinations | This represent the number of forward destinations requests made by PI-Hole by destination |
| pihole_querytypes | This represent the number of queries made by PI-Hole by type |
| pihole_status | This represent if PI-Hole is enabled |

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@ -2,15 +2,11 @@ package config
import (
"context"
"errors"
"fmt"
"log"
"reflect"
"runtime"
"strings"
"time"
log "github.com/sirupsen/logrus"
"github.com/heetch/confita"
"github.com/heetch/confita/backend"
"github.com/heetch/confita/backend/env"
@ -19,41 +15,25 @@ import (
// Config is the exporter CLI configuration.
type Config struct {
PIHoleProtocol string `config:"pihole_protocol"`
PIHoleHostname string `config:"pihole_hostname"`
PIHolePort uint16 `config:"pihole_port"`
PIHolePassword string `config:"pihole_password"`
PIHoleApiToken string `config:"pihole_api_token"`
BindAddr string `config:"bind_addr"`
Port uint16 `config:"port"`
Port string `config:"port"`
Interval time.Duration `config:"interval"`
}
type EnvConfig struct {
PIHoleProtocol []string `config:"pihole_protocol"`
PIHoleHostname []string `config:"pihole_hostname"`
PIHolePort []uint16 `config:"pihole_port"`
PIHolePassword []string `config:"pihole_password"`
PIHoleApiToken []string `config:"pihole_api_token"`
BindAddr string `config:"bind_addr"`
Port uint16 `config:"port"`
Timeout time.Duration `config:"timeout"`
}
func getDefaultConfig() *Config {
return &Config{
PIHoleHostname: "127.0.0.1",
PIHolePassword: "",
func getDefaultEnvConfig() *EnvConfig {
return &EnvConfig{
PIHoleProtocol: []string{"http"},
PIHoleHostname: []string{"127.0.0.1"},
PIHolePort: []uint16{80},
PIHolePassword: []string{},
PIHoleApiToken: []string{},
BindAddr: "0.0.0.0",
Port: 9617,
Timeout: 5 * time.Second,
Port: "9617",
Interval: 10 * time.Second,
}
}
// Load method loads the configuration by using both flag or environment variables.
func Load() (*EnvConfig, []Config, error) {
func Load() *Config {
loaders := []backend.Backend{
env.NewBackend(),
flags.NewBackend(),
@ -61,7 +41,7 @@ func Load() (*EnvConfig, []Config, error) {
loader := confita.NewLoader(loaders...)
cfg := getDefaultEnvConfig()
cfg := getDefaultConfig()
err := loader.Load(context.Background(), cfg)
if err != nil {
panic(err)
@ -69,150 +49,19 @@ func Load() (*EnvConfig, []Config, error) {
cfg.show()
if clientsConfig, err := cfg.Split(); err != nil {
return cfg, nil, err
} else {
return cfg, clientsConfig, nil
}
return cfg
}
func (c *Config) String() string {
ref := reflect.ValueOf(c)
fields := ref.Elem()
buffer := make([]string, fields.NumField(), fields.NumField())
for i := 0; i < fields.NumField(); i++ {
valueField := fields.Field(i)
typeField := fields.Type().Field(i)
if typeField.Name != "PIHolePassword" && typeField.Name != "PIHoleApiToken" {
buffer[i] = fmt.Sprintf("%s=%v", typeField.Name, valueField.Interface())
} else if valueField.Len() > 0 {
buffer[i] = fmt.Sprintf("%s=%s", typeField.Name, "*****")
}
}
buffer = removeEmptyString(buffer)
return fmt.Sprintf("<Config@%X %s>", &c, strings.Join(buffer, ", "))
}
// Validate check if the config is valid
func (c Config) Validate() error {
if c.PIHoleProtocol != "http" && c.PIHoleProtocol != "https" {
return fmt.Errorf("protocol %s is invalid. Must be http or https", c.PIHoleProtocol)
}
return nil
}
func (c EnvConfig) Split() ([]Config, error) {
hostsCount := len(c.PIHoleHostname)
result := make([]Config, 0, hostsCount)
for i, hostname := range c.PIHoleHostname {
config := Config{
PIHoleHostname: strings.TrimSpace(hostname),
}
if len(c.PIHolePort) == 1 {
config.PIHolePort = c.PIHolePort[0]
} else if len(c.PIHolePort) == hostsCount {
config.PIHolePort = c.PIHolePort[i]
} else if len(c.PIHolePort) != 0 {
return nil, errors.New("Wrong number of ports. Port can be empty to use default, one value to use for all hosts, or match the number of hosts")
}
if hasData, data, isValid := extractStringConfig(c.PIHoleProtocol, i, hostsCount); hasData {
config.PIHoleProtocol = data
} else if !isValid {
return nil, errors.New("Wrong number of PIHoleProtocol. PIHoleProtocol can be empty to use default, one value to use for all hosts, or match the number of hosts")
}
if hasData, data, isValid := extractStringConfig(c.PIHoleApiToken, i, hostsCount); hasData {
config.PIHoleApiToken = data
} else if !isValid {
return nil, errors.New(fmt.Sprintf("Wrong number of PIHoleApiToken %d (Hosts: %d). PIHoleApiToken can be empty to use default, one value to use for all hosts, or match the number of hosts", len(c.PIHoleApiToken), hostsCount))
}
if hasData, data, isValid := extractStringConfig(c.PIHolePassword, i, hostsCount); hasData {
config.PIHolePassword = data
} else if !isValid {
return nil, errors.New("Wrong number of PIHolePassword. PIHolePassword can be empty to use default, one value to use for all hosts, or match the number of hosts")
}
result = append(result, config)
}
return result, nil
}
func extractStringConfig(data []string, idx int, hostsCount int) (bool, string, bool) {
if len(data) == 1 {
v := strings.TrimSpace(data[0])
if v != "" {
return true, v, true
}
} else if len(data) == hostsCount {
v := strings.TrimSpace(data[idx])
if v != "" {
return true, v, true
}
} else if len(data) != 0 { //Host count missmatch
return false, "", false
}
// Empty
return false, "", true
}
func removeEmptyString(source []string) []string {
var result []string
for _, s := range source {
if s != "" {
result = append(result, s)
}
}
return result
}
func (c Config) hostnameURL() string {
s := fmt.Sprintf("%s://%s", c.PIHoleProtocol, c.PIHoleHostname)
if c.PIHolePort != 0 {
s += fmt.Sprintf(":%d", c.PIHolePort)
}
return s
}
// PIHoleStatsURL returns the stats url
func (c Config) PIHoleStatsURL() string {
return c.hostnameURL() + "/admin/api.php?summaryRaw&overTimeData&topItems&recentItems&getQueryTypes&getForwardDestinations&getQuerySources&jsonForceObject"
}
// PIHoleLoginURL returns the login url
func (c Config) PIHoleLoginURL() string {
return c.hostnameURL() + "/admin/index.php?login"
}
func (c EnvConfig) show() {
func (c Config) show() {
val := reflect.ValueOf(&c).Elem()
log.Info("------------------------------------")
log.Info("- Pi-hole exporter configuration -")
log.Info("------------------------------------")
log.Info("Go version: ", runtime.Version())
log.Println("------------------------------------")
log.Println("- PI-Hole exporter configuration -")
log.Println("------------------------------------")
for i := 0; i < val.NumField(); i++ {
valueField := val.Field(i)
typeField := val.Type().Field(i)
// Do not print password or api token but do print the authentication method
if typeField.Name != "PIHolePassword" && typeField.Name != "PIHoleApiToken" {
log.Info(fmt.Sprintf("%s : %v", typeField.Name, valueField.Interface()))
} else {
showAuthenticationMethod(typeField.Name, valueField.Len())
}
}
log.Info("------------------------------------")
}
func showAuthenticationMethod(name string, length int) {
if length > 0 {
log.Info(fmt.Sprintf("Pi-hole Authentication Method : %s", name))
log.Println(fmt.Sprintf("%s : %v", typeField.Name, valueField.Interface()))
}
log.Println("------------------------------------")
}

View file

@ -1,154 +0,0 @@
package config
import (
"fmt"
"testing"
"github.com/stretchr/testify/assert"
)
const (
PIHOLE_HOSTNAME = "PIHOLE_HOSTNAME"
PIHOLE_PORT = "PIHOLE_PORT"
PIHOLE_API_TOKEN = "PIHOLE_API_TOKEN"
PIHOLE_PROTOCOL = "PIHOLE_PROTOCOL"
)
type EnvInitiazlier func(*testing.T)
type TestCase struct {
Name string
Initializer EnvInitiazlier
}
func TestSplitDefault(t *testing.T) {
assert := assert.New(t)
env := getDefaultEnvConfig()
clientConfigs, err := env.Split()
assert.NoError(err)
clientConfig := clientConfigs[0]
assert.Equal("127.0.0.1", clientConfig.PIHoleHostname)
assert.Equal("http", clientConfig.PIHoleProtocol)
assert.Equal(uint16(80), clientConfig.PIHolePort)
assert.Empty(clientConfig.PIHoleApiToken)
assert.Empty(clientConfig.PIHolePassword)
}
func TestSplitMultipleHostWithSameConfig(t *testing.T) {
assert := assert.New(t)
env := getDefaultEnvConfig()
env.PIHoleHostname = []string{"127.0.0.1", "127.0.0.2", "127.0.0.3"}
env.PIHoleApiToken = []string{"api-token"}
env.PIHolePort = []uint16{8080}
clientConfigs, err := env.Split()
assert.NoError(err)
assert.Len(clientConfigs, 3)
testCases := []struct {
Host string
Port uint16
Protocol string
}{
{
Host: "127.0.0.1",
Port: 8080,
Protocol: "http",
},
{
Host: "127.0.0.2",
Port: 8080,
Protocol: "http",
},
{
Host: "127.0.0.3",
Port: 8080,
Protocol: "http",
},
}
for i, tc := range testCases {
t.Run(fmt.Sprintf("Test %s", tc.Host), func(t *testing.T) {
clientConfig := clientConfigs[i]
assert.Equal(tc.Host, clientConfig.PIHoleHostname)
assert.Equal(tc.Protocol, clientConfig.PIHoleProtocol)
assert.Equal(tc.Port, clientConfig.PIHolePort)
assert.Equal("api-token", clientConfig.PIHoleApiToken)
assert.Empty(clientConfig.PIHolePassword)
})
}
}
func TestSplitMultipleHostWithMultipleConfigs(t *testing.T) {
assert := assert.New(t)
env := getDefaultEnvConfig()
env.PIHoleHostname = []string{"127.0.0.1", "127.0.0.2", "127.0.0.3"}
env.PIHoleApiToken = []string{"api-token1", "", "api-token3"}
env.PIHolePassword = []string{"", "password2", ""}
env.PIHolePort = []uint16{8081, 8082, 8083}
clientConfigs, err := env.Split()
assert.NoError(err)
assert.Len(clientConfigs, 3)
testCases := []struct {
Host string
Port uint16
Protocol string
ApiToken string
Password string
}{
{
Host: "127.0.0.1",
Port: 8081,
Protocol: "http",
ApiToken: "api-token1",
Password: "",
},
{
Host: "127.0.0.2",
Port: 8082,
Protocol: "http",
ApiToken: "",
Password: "password2",
},
{
Host: "127.0.0.3",
Port: 8083,
Protocol: "http",
ApiToken: "api-token3",
Password: "",
},
}
for i, tc := range testCases {
t.Run(fmt.Sprintf("Test %s", tc.Host), func(t *testing.T) {
clientConfig := clientConfigs[i]
assert.Equal(tc.Host, clientConfig.PIHoleHostname)
assert.Equal(tc.Protocol, clientConfig.PIHoleProtocol)
assert.Equal(tc.Port, clientConfig.PIHolePort)
assert.Equal(tc.ApiToken, clientConfig.PIHoleApiToken)
assert.Equal(tc.Password, clientConfig.PIHolePassword)
})
}
}
func TestWrongParams(t *testing.T) {
assert := assert.New(t)
env := getDefaultEnvConfig()
env.PIHoleHostname = []string{"127.0.0.1", "127.0.0.2", "127.0.0.3"}
env.PIHoleApiToken = []string{"api-token1", "api-token2"}
env.PIHolePort = []uint16{808}
clientConfigs, err := env.Split()
assert.Errorf(err, "Wrong number of PIHoleApiToken. PIHoleApiToken can be empty to use default, one value to use for all hosts, or match the number of hosts")
assert.Nil(clientConfigs)
}

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@ -1,19 +0,0 @@
version: "3.6"
services:
pihole_exporter:
build:
context: ./
args:
ARCH: CHANGE_ME
dockerfile: Dockerfile
image: ekofr/pihole-exporter:arm64
container_name: pihole_exporter
expose:
- 9617
environment:
PIHOLE_HOSTNAME: CHANGE_ME
PIHOLE_PORT: CHANGE_ME
PIHOLE_PASSWORD: CHANGE_ME
INTERVAL: 30s
PORT: 9617
restart: always

29
go.mod
View file

@ -1,28 +1,11 @@
module github.com/eko/pihole-exporter
go 1.20
go 1.12
require (
github.com/heetch/confita v0.10.0
github.com/prometheus/client_golang v1.17.0
github.com/sirupsen/logrus v1.9.3
github.com/stretchr/testify v1.8.4
github.com/xonvanetta/shutdown v0.0.3
golang.org/x/net v0.16.0
)
require (
github.com/beorn7/perks v1.0.1 // indirect
github.com/cespare/xxhash/v2 v2.2.0 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/golang/protobuf v1.5.3 // indirect
github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
github.com/pkg/errors v0.9.1 // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/prometheus/client_model v0.4.1-0.20230718164431-9a2bf3000d16 // indirect
github.com/prometheus/common v0.44.0 // indirect
github.com/prometheus/procfs v0.11.1 // indirect
golang.org/x/sys v0.13.0 // indirect
google.golang.org/protobuf v1.31.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
github.com/heetch/confita v0.5.1
github.com/pkg/errors v0.8.1 // indirect
github.com/prometheus/client_golang v0.9.2
github.com/stretchr/testify v1.3.0 // indirect
golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c
)

250
go.sum
View file

@ -1,253 +1,33 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/DataDog/datadog-go v2.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
github.com/armon/go-metrics v0.0.0-20190430140413-ec5e00d3c878/go.mod h1:3AMJUQhVx52RsWOnlkpikZr01T/yAVN2gn0861vByNg=
github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
github.com/aws/aws-sdk-go v1.23.20/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 h1:xJ4a3vCFaGF/jqvzLMYoU8P317H5OQ+Via4RmuPwCS0=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible/go.mod h1:nmEj6Dob7S7YxXgwXpfOuvO54S+tGdZdw9fuRZt25Ag=
github.com/circonus-labs/circonusllhist v0.1.3/go.mod h1:kMXHVDlOchFAehlya5ePtbp5jckzBHf4XRpQvBOLI+I=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
github.com/coreos/etcd v3.3.3+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
github.com/fatih/structs v1.1.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
github.com/go-ldap/ldap v3.0.2+incompatible/go.mod h1:qfd9rJvER9Q0/D/Sqn1DfHRoBp40uXYvFoEVrNEPqRc=
github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
github.com/go-test/deep v1.0.2-0.20181118220953-042da051cf31/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3aSFNA=
github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
github.com/grpc-ecosystem/grpc-gateway v1.8.6/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
github.com/hashicorp/consul/api v1.1.0/go.mod h1:VmuI/Lkw1nC05EYQWNKwWGbkg+FbDBtguAZLlVdkD9Q=
github.com/hashicorp/consul/sdk v0.1.1/go.mod h1:VKf9jXwCTEY1QZP2MOLRhb5i/I/ssyNV1vwHyQBF0x8=
github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
github.com/hashicorp/go-cleanhttp v0.5.0/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
github.com/hashicorp/go-cleanhttp v0.5.1/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
github.com/hashicorp/go-hclog v0.0.0-20180709165350-ff2cf002a8dd/go.mod h1:9bjs9uLqI8l75knNv3lV1kA55veR+WUPSiKIWcQHudI=
github.com/hashicorp/go-hclog v0.8.0/go.mod h1:5CU+agLiy3J7N7QjHK5d05KxGsuXiQLrjA0H7acj2lQ=
github.com/hashicorp/go-immutable-radix v1.0.0/go.mod h1:0y9vanUI8NX6FsYoO3zeMjhV/C5i9g4Q3DwcSNZ4P60=
github.com/hashicorp/go-msgpack v0.5.3/go.mod h1:ahLV/dePpqEmjfWmKiqvPkv/twdG7iPBM1vqhUKIvfM=
github.com/hashicorp/go-msgpack v0.5.5/go.mod h1:ahLV/dePpqEmjfWmKiqvPkv/twdG7iPBM1vqhUKIvfM=
github.com/hashicorp/go-multierror v1.0.0/go.mod h1:dHtQlpGsu+cZNNAkkCN/P3hoUDHhCYQXV3UM06sGGrk=
github.com/hashicorp/go-plugin v1.0.1/go.mod h1:++UyYGoz3o5w9ZzAdZxtQKrWWP+iqPBn3cQptSMzBuY=
github.com/hashicorp/go-retryablehttp v0.5.3/go.mod h1:9B5zBasrRhHXnJnui7y6sL7es7NDiJgTc6Er0maI1Xs=
github.com/hashicorp/go-retryablehttp v0.5.4/go.mod h1:9B5zBasrRhHXnJnui7y6sL7es7NDiJgTc6Er0maI1Xs=
github.com/hashicorp/go-rootcerts v1.0.0/go.mod h1:K6zTfqpRlCUIjkwsN4Z+hiSfzSTQa6eBIzfwKfwNnHU=
github.com/hashicorp/go-rootcerts v1.0.1/go.mod h1:pqUvnprVnM5bf7AOirdbb01K4ccR319Vf4pU3K5EGc8=
github.com/hashicorp/go-sockaddr v1.0.0/go.mod h1:7Xibr9yA9JjQq1JpNB2Vw7kxv8xerXegt+ozgdvDeDU=
github.com/hashicorp/go-sockaddr v1.0.2/go.mod h1:rB4wwRAUzs07qva3c5SdrY/NEtAUjGlgmH/UkBUC97A=
github.com/hashicorp/go-syslog v1.0.0/go.mod h1:qPfqrKkXGihmCqbJM2mZgkZGvKG1dFdvsLplgctolz4=
github.com/hashicorp/go-uuid v1.0.0/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
github.com/hashicorp/go-uuid v1.0.1/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
github.com/hashicorp/go-version v1.1.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
github.com/hashicorp/go.net v0.0.1/go.mod h1:hjKkEWcCURg++eb33jQU7oqQcI9XDCnUzHA0oac0k90=
github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO+LraFDTW64=
github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0mNTz8vQ=
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golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
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golang.org/x/net v0.16.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
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golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f h1:Bl/8QSvNqXvPGPGXa2z5xUTmV7VDcZyvRZ+QQXkXTZQ=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190129075346-302c3dd5f1cc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190508220229-2d0786266e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.1-0.20181227161524-e6919f6577db/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20190404172233-64821d5d2107/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.22.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
gopkg.in/asn1-ber.v1 v1.0.0-20181015200546-f715ec2f112d/go.mod h1:cuepJuh7vyXfUyUwEgHQXw849cJrilpS5NeIjOWESAw=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
gopkg.in/square/go-jose.v2 v2.3.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

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@ -62,22 +62,20 @@
"hide": true,
"iconColor": "rgba(0, 211, 255, 1)",
"name": "Annotations & Alerts",
"showIn": 0,
"type": "dashboard"
}
]
},
"description": "This is a Pi-hole dashboard when using the https://github.com/eko/pihole-exporter Prometheus exporter",
"description": "This is a PI-Hole dashboard when using the https://github.com/eko/pihole-exporter Prometheus exporter",
"editable": true,
"gnetId": 10176,
"graphTooltip": 0,
"id": null,
"iteration": 1609280899627,
"iteration": 1559385551318,
"links": [],
"panels": [
{
"collapsed": false,
"datasource": null,
"gridPos": {
"h": 1,
"w": 24,
@ -86,7 +84,7 @@
},
"id": 60,
"panels": [],
"title": "🥧🕳️ Pi-hole",
"title": "🍓PI-Hole",
"type": "row"
},
{
@ -100,13 +98,6 @@
"rgba(237, 129, 40, 0.89)",
"#299c46"
],
"datasource": "${DS_PROMETHEUS}",
"fieldConfig": {
"defaults": {
"custom": {}
},
"overrides": []
},
"format": "none",
"gauge": {
"maxValue": 100,
@ -138,6 +129,7 @@
"maxDataPoints": 100,
"nullPointMode": "connected",
"nullText": null,
"options": {},
"postfix": "",
"postfixFontSize": "50%",
"prefix": "",
@ -159,8 +151,8 @@
"targets": [
{
"expr": "pihole_status{hostname=~'$node'}",
"instant": true,
"interval": "",
"format": "time_series",
"intervalFactor": 1,
"legendFormat": "{{ legend }}",
"refId": "A"
}
@ -196,14 +188,7 @@
"rgba(237, 129, 40, 0.89)",
"#d44a3a"
],
"datasource": "${DS_PROMETHEUS}",
"decimals": null,
"fieldConfig": {
"defaults": {
"custom": {}
},
"overrides": []
},
"format": "none",
"gauge": {
"maxValue": 100,
@ -235,6 +220,7 @@
"maxDataPoints": 100,
"nullPointMode": "connected",
"nullText": null,
"options": {},
"postfix": "",
"postfixFontSize": "50%",
"prefix": "",
@ -256,9 +242,8 @@
"targets": [
{
"expr": "pihole_domains_being_blocked{hostname=~'$node'}",
"instant": false,
"interval": "",
"legendFormat": "",
"format": "time_series",
"intervalFactor": 1,
"refId": "A"
}
],
@ -287,13 +272,6 @@
"rgba(237, 129, 40, 0.89)",
"#d44a3a"
],
"datasource": "${DS_PROMETHEUS}",
"fieldConfig": {
"defaults": {
"custom": {}
},
"overrides": []
},
"format": "none",
"gauge": {
"maxValue": 100,
@ -325,6 +303,7 @@
"maxDataPoints": 100,
"nullPointMode": "connected",
"nullText": null,
"options": {},
"postfix": "",
"postfixFontSize": "50%",
"prefix": "",
@ -346,8 +325,8 @@
"targets": [
{
"expr": "pihole_unique_domains{hostname=~'$node'}",
"interval": "",
"legendFormat": "",
"format": "time_series",
"intervalFactor": 1,
"refId": "A"
}
],
@ -375,13 +354,6 @@
"label": "Others",
"threshold": 0
},
"datasource": "${DS_PROMETHEUS}",
"fieldConfig": {
"defaults": {
"custom": {}
},
"overrides": []
},
"fontSize": "80%",
"format": "short",
"gridPos": {
@ -401,13 +373,14 @@
"links": [],
"maxDataPoints": 3,
"nullPointMode": "connected",
"options": {},
"pieType": "donut",
"strokeWidth": 1,
"targets": [
{
"expr": "pihole_top_queries{hostname=~'$node'}",
"instant": true,
"interval": "",
"expr": "pihole_top_queries{hostname=~\"$node\"}",
"format": "time_series",
"intervalFactor": 1,
"legendFormat": "{{ domain }}",
"refId": "A"
}
@ -427,13 +400,6 @@
"label": "Others",
"threshold": 0
},
"datasource": "${DS_PROMETHEUS}",
"fieldConfig": {
"defaults": {
"custom": {}
},
"overrides": []
},
"fontSize": "80%",
"format": "short",
"gridPos": {
@ -453,13 +419,15 @@
"links": [],
"maxDataPoints": 3,
"nullPointMode": "connected",
"options": {},
"pieType": "donut",
"pluginVersion": "6.1.4",
"strokeWidth": 1,
"targets": [
{
"expr": "pihole_reply{hostname='$node'}",
"interval": "",
"expr": "pihole_reply{hostname=~\"$node\"}",
"format": "time_series",
"intervalFactor": 1,
"legendFormat": "{{ type }}",
"refId": "A"
}
@ -479,13 +447,6 @@
"label": "Others",
"threshold": 0
},
"datasource": "${DS_PROMETHEUS}",
"fieldConfig": {
"defaults": {
"custom": {}
},
"overrides": []
},
"fontSize": "80%",
"format": "short",
"gridPos": {
@ -504,12 +465,14 @@
"links": [],
"maxDataPoints": 3,
"nullPointMode": "connected",
"options": {},
"pieType": "pie",
"strokeWidth": 1,
"targets": [
{
"expr": "pihole_top_ads{hostname=~'$node'}",
"interval": "",
"expr": "pihole_top_ads{hostname=~\"$node\"}",
"format": "time_series",
"intervalFactor": 1,
"legendFormat": "{{ domain }}",
"refId": "A"
}
@ -528,39 +491,13 @@
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "${DS_PROMETHEUS}",
"fieldConfig": {
"defaults": {
"custom": {
"align": null,
"filterable": false
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
},
{
"color": "red",
"value": 80
}
]
}
},
"overrides": []
},
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 5,
"w": 8,
"x": 0,
"y": 3
},
"hiddenSeries": false,
"id": 66,
"legend": {
"avg": false,
@ -575,11 +512,8 @@
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"options": {},
"percentage": false,
"pluginVersion": "7.2.0",
"pointradius": 2,
"points": false,
"renderer": "flot",
@ -590,7 +524,8 @@
"targets": [
{
"expr": "pihole_dns_queries_all_types{hostname=~'$node'}",
"interval": "",
"format": "time_series",
"intervalFactor": 1,
"legendFormat": "{{ job }}",
"refId": "A"
}
@ -639,20 +574,28 @@
},
{
"cacheTimeout": null,
"datasource": "${DS_PROMETHEUS}",
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
"gridPos": {
"h": 5,
"w": 4,
"x": 8,
"y": 3
},
"custom": {},
"id": 92,
"links": [],
"options": {
"fieldOptions": {
"calcs": [
"mean"
],
"defaults": {
"decimals": 2,
"mappings": [],
"max": "100",
"min": 0,
"thresholds": {
"mode": "absolute",
"steps": [
"unit": "percent"
},
"mappings": [],
"override": {},
"thresholds": [
{
"color": "green",
"index": 0,
@ -668,39 +611,20 @@
"index": 2,
"value": 80
}
]
},
"unit": "percent"
},
"overrides": []
},
"gridPos": {
"h": 5,
"w": 4,
"x": 8,
"y": 3
},
"id": 92,
"links": [],
"options": {
"orientation": "auto",
"reduceOptions": {
"calcs": [
"mean"
],
"fields": "",
"values": false
},
"orientation": "auto",
"showThresholdLabels": false,
"showThresholdMarkers": true
},
"pluginVersion": "7.2.0",
"pluginVersion": "6.2.0",
"targets": [
{
"expr": "pihole_ads_percentage_today{hostname=~'$node'}",
"instant": false,
"format": "time_series",
"interval": "",
"legendFormat": "",
"intervalFactor": 1,
"refId": "A"
}
],
@ -717,22 +641,13 @@
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "${DS_PROMETHEUS}",
"fieldConfig": {
"defaults": {
"custom": {}
},
"overrides": []
},
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 5,
"w": 8,
"x": 0,
"y": 8
},
"hiddenSeries": false,
"id": 62,
"legend": {
"alignAsTable": false,
@ -748,11 +663,8 @@
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"options": {},
"percentage": false,
"pluginVersion": "7.2.0",
"pointradius": 2,
"points": false,
"renderer": "flot",
@ -763,8 +675,8 @@
"targets": [
{
"expr": "pihole_ads_blocked_today{hostname=~'$node'}",
"instant": false,
"interval": "",
"format": "time_series",
"intervalFactor": 1,
"legendFormat": "{{ job }}",
"refId": "A"
}
@ -816,22 +728,13 @@
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "${DS_PROMETHEUS}",
"fieldConfig": {
"defaults": {
"custom": {}
},
"overrides": []
},
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 5,
"w": 8,
"x": 8,
"y": 8
},
"hiddenSeries": false,
"id": 68,
"legend": {
"avg": false,
@ -846,11 +749,8 @@
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"options": {},
"percentage": false,
"pluginVersion": "7.2.0",
"pointradius": 2,
"points": false,
"renderer": "flot",
@ -861,13 +761,15 @@
"targets": [
{
"expr": "pihole_queries_cached{hostname=~'$node'}",
"interval": "",
"format": "time_series",
"intervalFactor": 1,
"legendFormat": "Queries cached",
"refId": "A"
},
{
"expr": "pihole_queries_forwarded{hostname=~'$node'}",
"interval": "",
"expr": "pihole_queries_forwarded",
"format": "time_series",
"intervalFactor": 1,
"legendFormat": "Queries forwarded",
"refId": "B"
}
@ -919,22 +821,13 @@
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "${DS_PROMETHEUS}",
"fieldConfig": {
"defaults": {
"custom": {}
},
"overrides": []
},
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 5,
"w": 8,
"x": 16,
"y": 8
},
"hiddenSeries": false,
"id": 78,
"legend": {
"avg": false,
@ -949,11 +842,8 @@
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"options": {},
"percentage": false,
"pluginVersion": "7.2.0",
"pointradius": 2,
"points": false,
"renderer": "flot",
@ -963,10 +853,17 @@
"steppedLine": false,
"targets": [
{
"expr": "pihole_querytypes",
"interval": "",
"expr": "pihole_querytypes{hostname=~'$node'}",
"format": "time_series",
"intervalFactor": 1,
"legendFormat": "{{ type }}",
"refId": "A"
},
{
"expr": "",
"format": "time_series",
"intervalFactor": 1,
"refId": "B"
}
],
"thresholds": [],
@ -1018,22 +915,13 @@
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "${DS_PROMETHEUS}",
"fieldConfig": {
"defaults": {
"custom": {}
},
"overrides": []
},
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 5,
"w": 8,
"x": 0,
"y": 13
},
"hiddenSeries": false,
"id": 64,
"legend": {
"avg": false,
@ -1048,11 +936,8 @@
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"options": {},
"percentage": false,
"pluginVersion": "7.2.0",
"pointradius": 2,
"points": false,
"renderer": "flot",
@ -1062,8 +947,9 @@
"steppedLine": false,
"targets": [
{
"expr": "pihole_ads_percentage_today",
"interval": "",
"expr": "pihole_ads_percentage_today{hostname=~'$node'}",
"format": "time_series",
"intervalFactor": 1,
"legendFormat": "{{ job }}",
"refId": "A"
}
@ -1112,13 +998,6 @@
},
{
"columns": [],
"datasource": "${DS_PROMETHEUS}",
"fieldConfig": {
"defaults": {
"custom": {}
},
"overrides": []
},
"fontSize": "100%",
"gridPos": {
"h": 5,
@ -1128,17 +1007,17 @@
},
"id": 74,
"links": [],
"options": {},
"pageSize": null,
"scroll": true,
"showHeader": true,
"sort": {
"col": 2,
"col": 0,
"desc": true
},
"styles": [
{
"alias": "",
"align": "auto",
"colorMode": null,
"colors": [
"rgba(245, 54, 54, 0.9)",
@ -1157,9 +1036,10 @@
],
"targets": [
{
"expr": "topk(15, pihole_top_queries)",
"instant": true,
"interval": "30s",
"expr": "pihole_top_queries{hostname=~'$node'}",
"format": "time_series",
"instant": false,
"interval": "",
"intervalFactor": 1,
"legendFormat": "{{ domain }}",
"refId": "A"
@ -1170,17 +1050,10 @@
"title": "Top queries",
"transform": "timeseries_to_rows",
"transparent": true,
"type": "table-old"
"type": "table"
},
{
"columns": [],
"datasource": "${DS_PROMETHEUS}",
"fieldConfig": {
"defaults": {
"custom": {}
},
"overrides": []
},
"fontSize": "100%",
"gridPos": {
"h": 5,
@ -1190,24 +1063,23 @@
},
"id": 90,
"links": [],
"options": {},
"pageSize": null,
"scroll": true,
"showHeader": true,
"sort": {
"col": 2,
"col": 0,
"desc": true
},
"styles": [
{
"alias": "Time",
"align": "auto",
"dateFormat": "YYYY-MM-DD HH:mm:ss",
"pattern": "Time",
"type": "date"
},
{
"alias": "",
"align": "auto",
"colorMode": null,
"colors": [
"rgba(245, 54, 54, 0.9)",
@ -1223,9 +1095,9 @@
],
"targets": [
{
"expr": "topk(15, pihole_top_ads)",
"instant": true,
"interval": "",
"expr": "pihole_top_ads{hostname=~'$node'}",
"format": "time_series",
"intervalFactor": 1,
"legendFormat": "{{ domain }}",
"refId": "A"
}
@ -1235,37 +1107,26 @@
"title": "Top ads domains",
"transform": "timeseries_to_rows",
"transparent": true,
"type": "table-old"
"type": "table"
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "${DS_PROMETHEUS}",
"fieldConfig": {
"defaults": {
"custom": {}
},
"overrides": []
},
"fill": 1,
"fillGradient": 0,
"gridPos": {
"h": 5,
"w": 12,
"x": 0,
"y": 18
},
"hiddenSeries": false,
"id": 88,
"legend": {
"alignAsTable": false,
"avg": false,
"current": false,
"max": false,
"min": false,
"rightSide": false,
"show": false,
"total": false,
"values": false
@ -1274,27 +1135,20 @@
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"options": {},
"percentage": false,
"pluginVersion": "7.2.0",
"pointradius": 2,
"points": false,
"renderer": "flot",
"seriesOverrides": [
{
"alias": "pihole_unique_clients{hostname=\\\"127.0.0.1\\\",instance=\\\"localhost:9311\\\",job=\\\"pihole\\\"}",
"color": "#E0B400"
}
],
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"expr": "pihole_forward_destinations{hostname=~'$node'}",
"interval": "",
"format": "time_series",
"intervalFactor": 1,
"legendFormat": "{{ destination }}",
"refId": "A"
}
@ -1306,7 +1160,7 @@
"title": "Forward destinations",
"tooltip": {
"shared": true,
"sort": 2,
"sort": 0,
"value_type": "individual"
},
"transparent": true,
@ -1342,62 +1196,36 @@
}
},
{
"aliasColors": {},
"aliasColors": {
"pihole_unique_clients{hostname=\"127.0.0.1\",instance=\"localhost:9311\",job=\"pihole\"}": "rgb(255, 255, 255)",
"pihole_unique_domains{hostname=\"127.0.0.1\",instance=\"localhost:9311\",job=\"pihole\"}": "super-light-yellow"
},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": "${DS_PROMETHEUS}",
"fieldConfig": {
"defaults": {
"custom": {
"align": null,
"filterable": false
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
},
{
"color": "red",
"value": 80
}
]
}
},
"overrides": []
},
"fill": 1,
"fillGradient": 0,
"fill": 10,
"gridPos": {
"h": 5,
"w": 12,
"x": 12,
"y": 18
},
"hiddenSeries": false,
"id": 76,
"legend": {
"avg": false,
"current": false,
"max": false,
"min": false,
"show": true,
"show": false,
"total": false,
"values": false
},
"lines": true,
"linewidth": 1,
"linewidth": 0,
"links": [],
"nullPointMode": "null",
"options": {
"alertThreshold": true
},
"options": {},
"percentage": false,
"pluginVersion": "7.2.0",
"pointradius": 2,
"points": false,
"renderer": "flot",
@ -1408,8 +1236,9 @@
"targets": [
{
"expr": "pihole_unique_clients{hostname=~'$node'}",
"interval": "",
"legendFormat": "{{ hostname }}",
"format": "time_series",
"intervalFactor": 1,
"legendFormat": "",
"refId": "A"
}
],
@ -1434,6 +1263,7 @@
},
"yaxes": [
{
"decimals": 0,
"format": "short",
"label": null,
"logBase": 1,
@ -1457,18 +1287,14 @@
}
],
"refresh": false,
"schemaVersion": 26,
"schemaVersion": 18,
"style": "dark",
"tags": [],
"templating": {
"list": [
{
"allValue": null,
"current": {
"selected": false,
"text": "10.10.200.20",
"value": "10.10.200.20"
},
"current": {},
"datasource": "${DS_PROMETHEUS}",
"definition": "label_values(pihole_ads_blocked_today, hostname)",
"hide": 0,
@ -1522,7 +1348,7 @@
]
},
"timezone": "",
"title": "Pi-hole Exporter",
"uid": "Pi-hole-Exporter",
"version": 31
"title": "PI-Hole Exporter",
"uid": "MIBVglomg",
"version": 159
}

View file

@ -1,12 +1,13 @@
package metrics
import (
"log"
"github.com/prometheus/client_golang/prometheus"
log "github.com/sirupsen/logrus"
)
var (
// DomainsBlocked - The number of domains being blocked by Pi-hole.
// DomainsBlocked - The number of domains being blocked by PI-Hole.
DomainsBlocked = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "domains_being_blocked",
@ -16,7 +17,7 @@ var (
[]string{"hostname"},
)
// DNSQueriesToday - The number of DNS requests made over Pi-hole over the current day.
// DNSQueriesToday - The number of DNS requests made over PI-Hole over the current day.
DNSQueriesToday = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "dns_queries_today",
@ -26,7 +27,7 @@ var (
[]string{"hostname"},
)
// AdsBlockedToday - The number of ads blocked by Pi-hole over the current day.
// AdsBlockedToday - The number of ads blocked by PI-Hole over the current day.
AdsBlockedToday = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "ads_blocked_today",
@ -36,7 +37,7 @@ var (
[]string{"hostname"},
)
// AdsPercentageToday - The percentage of ads blocked by Pi-hole over the current day.
// AdsPercentageToday - The percentage of ads blocked by PI-Hole over the current day.
AdsPercentageToday = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "ads_percentage_today",
@ -46,7 +47,7 @@ var (
[]string{"hostname"},
)
// UniqueDomains - The number of unique domains seen by Pi-hole.
// UniqueDomains - The number of unique domains seen by PI-Hole.
UniqueDomains = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "unique_domains",
@ -56,7 +57,7 @@ var (
[]string{"hostname"},
)
// QueriesForwarded - The number of queries forwarded by Pi-hole.
// QueriesForwarded - The number of queries forwarded by PI-Hole.
QueriesForwarded = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "queries_forwarded",
@ -66,7 +67,7 @@ var (
[]string{"hostname"},
)
// QueriesCached - The number of queries cached by Pi-hole.
// QueriesCached - The number of queries cached by PI-Hole.
QueriesCached = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "queries_cached",
@ -76,7 +77,7 @@ var (
[]string{"hostname"},
)
// ClientsEverSeen - The number of clients ever seen by Pi-hole.
// ClientsEverSeen - The number of clients ever seen by PI-Hole.
ClientsEverSeen = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "clients_ever_seen",
@ -86,7 +87,7 @@ var (
[]string{"hostname"},
)
// UniqueClients - The number of unique clients seen by Pi-hole.
// UniqueClients - The number of unique clients seen by PI-Hole.
UniqueClients = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "unique_clients",
@ -96,7 +97,7 @@ var (
[]string{"hostname"},
)
// DNSQueriesAllTypes - The number of DNS queries made for all types by Pi-hole.
// DNSQueriesAllTypes - The number of DNS queries made for all types by PI-Hole.
DNSQueriesAllTypes = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "dns_queries_all_types",
@ -106,7 +107,7 @@ var (
[]string{"hostname"},
)
// Reply - The number of replies made for every types by Pi-hole.
// Reply - The number of replies made for every types by PI-Hole.
Reply = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "reply",
@ -116,68 +117,68 @@ var (
[]string{"hostname", "type"},
)
// TopQueries - The number of top queries made by Pi-hole by domain.
// TopQueries - The number of top queries made by PI-Hole by domain.
TopQueries = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "top_queries",
Namespace: "pihole",
Help: "This represent the number of top queries made by Pi-hole by domain",
Help: "This represent the number of top queries made by PI-Hole by domain",
},
[]string{"hostname", "domain"},
)
// TopAds - The number of top ads made by Pi-hole by domain.
// TopAds - The number of top ads made by PI-Hole by domain.
TopAds = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "top_ads",
Namespace: "pihole",
Help: "This represent the number of top ads made by Pi-hole by domain",
Help: "This represent the number of top ads made by PI-Hole by domain",
},
[]string{"hostname", "domain"},
)
// TopSources - The number of top sources requests made by Pi-hole by source host.
// TopSources - The number of top sources requests made by PI-Hole by source host.
TopSources = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "top_sources",
Namespace: "pihole",
Help: "This represent the number of top sources requests made by Pi-hole by source host",
Help: "This represent the number of top sources requests made by PI-Hole by source host",
},
[]string{"hostname", "source"},
)
// ForwardDestinations - The number of forward destinations requests made by Pi-hole by destination.
// ForwardDestinations - The number of forward destinations requests made by PI-Hole by destination.
ForwardDestinations = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "forward_destinations",
Namespace: "pihole",
Help: "This represent the number of forward destinations requests made by Pi-hole by destination",
Help: "This represent the number of forward destinations requests made by PI-Hole by destination",
},
[]string{"hostname", "destination"},
)
// QueryTypes - The number of queries made by Pi-hole by type.
// QueryTypes - The number of queries made by PI-Hole by type.
QueryTypes = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "querytypes",
Namespace: "pihole",
Help: "This represent the number of queries made by Pi-hole by type",
Help: "This represent the number of queries made by PI-Hole by type",
},
[]string{"hostname", "type"},
)
// Status - Is Pi-hole enabled?
// Status - Is PI-Hole enabled?
Status = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Name: "status",
Namespace: "pihole",
Help: "This if Pi-hole is enabled",
Help: "This if PI-Hole is enabled",
},
[]string{"hostname"},
)
)
// Init initializes all Prometheus metrics made available by Pi-hole exporter.
// Init initializes all Prometheus metrics made available by PI-Hole exporter.
func Init() {
initMetric("domains_blocked", DomainsBlocked)
initMetric("dns_queries_today", DNSQueriesToday)
@ -200,5 +201,5 @@ func Init() {
func initMetric(name string, metric *prometheus.GaugeVec) {
prometheus.MustRegister(metric)
log.Info("New Prometheus metric registered: ", name)
log.Printf("New Prometheus metric registered: %s", name)
}

View file

@ -4,6 +4,7 @@ import (
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
"net/url"
"os"
@ -11,161 +12,101 @@ import (
"strings"
"time"
log "github.com/sirupsen/logrus"
"github.com/eko/pihole-exporter/config"
"github.com/eko/pihole-exporter/internal/metrics"
)
type ClientStatus byte
const (
MetricsCollectionInProgress ClientStatus = iota
MetricsCollectionSuccess
MetricsCollectionError
MetricsCollectionTimeout
var (
loginURLPattern = "http://%s/admin/index.php?login"
statsURLPattern = "http://%s/admin/api.php?summaryRaw&overTimeData&topItems&recentItems&getQueryTypes&getForwardDestinations&getQuerySources&jsonForceObject"
)
func (status ClientStatus) String() string {
return []string{"MetricsCollectionInProgress", "MetricsCollectionSuccess", "MetricsCollectionError", "MetricsCollectionTimeout"}[status]
}
type ClientChannel struct {
Status ClientStatus
Err error
}
func (c *ClientChannel) String() string {
if c.Err != nil {
return fmt.Sprintf("ClientChannel<Status: %s, Err: '%s'>", c.Status, c.Err.Error())
} else {
return fmt.Sprintf("ClientChannel<Status: %s, Err: <nil>>", c.Status)
}
}
// Client struct is a Pi-hole client to request an instance of a Pi-hole ad blocker.
// Client struct is a PI-Hole client to request an instance of a PI-Hole ad blocker.
type Client struct {
httpClient http.Client
interval time.Duration
config *config.Config
Status chan *ClientChannel
hostname string
password string
sessionID string
}
// NewClient method initializes a new Pi-hole client.
func NewClient(config *config.Config, envConfig *config.EnvConfig) *Client {
err := config.Validate()
if err != nil {
log.Error(err)
os.Exit(1)
}
log.Printf("Creating client with config %s\n", config)
// NewClient method initializes a new PI-Hole client.
func NewClient(hostname, password string, interval time.Duration) *Client {
return &Client{
config: config,
hostname: hostname,
password: password,
interval: interval,
httpClient: http.Client{
CheckRedirect: func(req *http.Request, via []*http.Request) error {
return http.ErrUseLastResponse
},
Timeout: envConfig.Timeout,
},
Status: make(chan *ClientChannel, 1),
}
}
func (c *Client) String() string {
return c.config.PIHoleHostname
}
// Scrape method logins and retrieves statistics from PI-Hole JSON API
// and then pass them as Prometheus metrics.
func (c *Client) Scrape() {
for range time.Tick(c.interval) {
if c.isAuthenticated() {
c.sessionID = c.getPHPSessionID()
}
func (c *Client) CollectMetricsAsync(writer http.ResponseWriter, request *http.Request) {
log.Printf("Collecting from %s", c.config.PIHoleHostname)
if stats, err := c.getStatistics(); err == nil {
stats := c.getStatistics()
c.setMetrics(stats)
c.Status <- &ClientChannel{Status: MetricsCollectionSuccess, Err: nil}
log.Printf("New tick of statistics from %s: %s", c.config.PIHoleHostname, stats)
} else {
c.Status <- &ClientChannel{Status: MetricsCollectionError, Err: err}
}
}
func (c *Client) CollectMetrics(writer http.ResponseWriter, request *http.Request) error {
stats, err := c.getStatistics()
if err != nil {
return err
log.Printf("New tick of statistics: %s", stats.ToString())
}
c.setMetrics(stats)
log.Printf("New tick of statistics from %s: %s", c.config.PIHoleHostname, stats)
return nil
}
func (c *Client) GetHostname() string {
return c.config.PIHoleHostname
}
func (c *Client) setMetrics(stats *Stats) {
metrics.DomainsBlocked.WithLabelValues(c.config.PIHoleHostname).Set(float64(stats.DomainsBeingBlocked))
metrics.DNSQueriesToday.WithLabelValues(c.config.PIHoleHostname).Set(float64(stats.DNSQueriesToday))
metrics.AdsBlockedToday.WithLabelValues(c.config.PIHoleHostname).Set(float64(stats.AdsBlockedToday))
metrics.AdsPercentageToday.WithLabelValues(c.config.PIHoleHostname).Set(float64(stats.AdsPercentageToday))
metrics.UniqueDomains.WithLabelValues(c.config.PIHoleHostname).Set(float64(stats.UniqueDomains))
metrics.QueriesForwarded.WithLabelValues(c.config.PIHoleHostname).Set(float64(stats.QueriesForwarded))
metrics.QueriesCached.WithLabelValues(c.config.PIHoleHostname).Set(float64(stats.QueriesCached))
metrics.ClientsEverSeen.WithLabelValues(c.config.PIHoleHostname).Set(float64(stats.ClientsEverSeen))
metrics.UniqueClients.WithLabelValues(c.config.PIHoleHostname).Set(float64(stats.UniqueClients))
metrics.DNSQueriesAllTypes.WithLabelValues(c.config.PIHoleHostname).Set(float64(stats.DNSQueriesAllTypes))
metrics.DomainsBlocked.WithLabelValues(c.hostname).Set(float64(stats.DomainsBeingBlocked))
metrics.DNSQueriesToday.WithLabelValues(c.hostname).Set(float64(stats.DNSQueriesToday))
metrics.AdsBlockedToday.WithLabelValues(c.hostname).Set(float64(stats.AdsBlockedToday))
metrics.AdsPercentageToday.WithLabelValues(c.hostname).Set(float64(stats.AdsPercentageToday))
metrics.UniqueDomains.WithLabelValues(c.hostname).Set(float64(stats.UniqueDomains))
metrics.QueriesForwarded.WithLabelValues(c.hostname).Set(float64(stats.QueriesForwarded))
metrics.QueriesCached.WithLabelValues(c.hostname).Set(float64(stats.QueriesCached))
metrics.ClientsEverSeen.WithLabelValues(c.hostname).Set(float64(stats.ClientsEverSeen))
metrics.UniqueClients.WithLabelValues(c.hostname).Set(float64(stats.UniqueClients))
metrics.DNSQueriesAllTypes.WithLabelValues(c.hostname).Set(float64(stats.DNSQueriesAllTypes))
metrics.Reply.WithLabelValues(c.config.PIHoleHostname, "unknown").Set(float64(stats.ReplyUnknown))
metrics.Reply.WithLabelValues(c.config.PIHoleHostname, "no_data").Set(float64(stats.ReplyNoData))
metrics.Reply.WithLabelValues(c.config.PIHoleHostname, "nx_domain").Set(float64(stats.ReplyNxDomain))
metrics.Reply.WithLabelValues(c.config.PIHoleHostname, "cname").Set(float64(stats.ReplyCname))
metrics.Reply.WithLabelValues(c.config.PIHoleHostname, "ip").Set(float64(stats.ReplyIP))
metrics.Reply.WithLabelValues(c.config.PIHoleHostname, "domain").Set(float64(stats.ReplyDomain))
metrics.Reply.WithLabelValues(c.config.PIHoleHostname, "rr_name").Set(float64(stats.ReplyRRName))
metrics.Reply.WithLabelValues(c.config.PIHoleHostname, "serv_fail").Set(float64(stats.ReplyServFail))
metrics.Reply.WithLabelValues(c.config.PIHoleHostname, "refused").Set(float64(stats.ReplyRefused))
metrics.Reply.WithLabelValues(c.config.PIHoleHostname, "not_imp").Set(float64(stats.ReplyNotImp))
metrics.Reply.WithLabelValues(c.config.PIHoleHostname, "other").Set(float64(stats.ReplyOther))
metrics.Reply.WithLabelValues(c.config.PIHoleHostname, "dnssec").Set(float64(stats.ReplyDNSSEC))
metrics.Reply.WithLabelValues(c.config.PIHoleHostname, "none").Set(float64(stats.ReplyNone))
metrics.Reply.WithLabelValues(c.config.PIHoleHostname, "blob").Set(float64(stats.ReplyBlob))
metrics.Reply.WithLabelValues(c.hostname, "no_data").Set(float64(stats.ReplyNoData))
metrics.Reply.WithLabelValues(c.hostname, "nx_domain").Set(float64(stats.ReplyNxDomain))
metrics.Reply.WithLabelValues(c.hostname, "cname").Set(float64(stats.ReplyCname))
metrics.Reply.WithLabelValues(c.hostname, "ip").Set(float64(stats.ReplyIP))
var isEnabled int = 0
if stats.Status == enabledStatus {
isEnabled = 1
}
metrics.Status.WithLabelValues(c.config.PIHoleHostname).Set(float64(isEnabled))
// Pi-hole returns a subset of stats when Auth is missing or incorrect.
// This provides a warning to users that metrics are not complete.
if len(stats.TopQueries) == 0 {
log.Warnf("Invalid Authentication - Some metrics may be missing. Please confirm your Pi-hole API token / Password for %s", c.config.PIHoleHostname)
}
metrics.Status.WithLabelValues(c.hostname).Set(float64(isEnabled))
for domain, value := range stats.TopQueries {
metrics.TopQueries.WithLabelValues(c.config.PIHoleHostname, domain).Set(float64(value))
metrics.TopQueries.WithLabelValues(c.hostname, domain).Set(float64(value))
}
for domain, value := range stats.TopAds {
metrics.TopAds.WithLabelValues(c.config.PIHoleHostname, domain).Set(float64(value))
metrics.TopAds.WithLabelValues(c.hostname, domain).Set(float64(value))
}
for source, value := range stats.TopSources {
metrics.TopSources.WithLabelValues(c.config.PIHoleHostname, source).Set(float64(value))
metrics.TopSources.WithLabelValues(c.hostname, source).Set(float64(value))
}
for destination, value := range stats.ForwardDestinations {
metrics.ForwardDestinations.WithLabelValues(c.config.PIHoleHostname, destination).Set(value)
metrics.ForwardDestinations.WithLabelValues(c.hostname, destination).Set(value)
}
for queryType, value := range stats.QueryTypes {
metrics.QueryTypes.WithLabelValues(c.config.PIHoleHostname, queryType).Set(value)
metrics.QueryTypes.WithLabelValues(c.hostname, queryType).Set(value)
}
}
func (c *Client) getPHPSessionID() (sessionID string) {
values := url.Values{"pw": []string{c.config.PIHolePassword}}
loginURL := fmt.Sprintf(loginURLPattern, c.hostname)
values := url.Values{"pw": []string{c.password}}
req, err := http.NewRequest("POST", c.config.PIHoleLoginURL(), strings.NewReader(values.Encode()))
req, err := http.NewRequest("POST", loginURL, strings.NewReader(values.Encode()))
if err != nil {
log.Fatal("An error has occured when creating HTTP statistics request", err)
}
@ -175,7 +116,12 @@ func (c *Client) getPHPSessionID() (sessionID string) {
resp, err := c.httpClient.Do(req)
if err != nil {
log.Errorf("An error has occured during login to Pi-hole: %v", err)
log.Printf("An error has occured during login to PI-Hole: %v", err)
}
if resp.StatusCode != http.StatusOK {
log.Printf("Unable to login to PI-Hole, got a HTTP status code response '%d' instead of '%d'", resp.StatusCode, http.StatusFound)
os.Exit(1)
}
for _, cookie := range resp.Cookies() {
@ -188,52 +134,43 @@ func (c *Client) getPHPSessionID() (sessionID string) {
return
}
func (c *Client) getStatistics() (*Stats, error) {
stats := new(Stats)
func (c *Client) getStatistics() *Stats {
var stats Stats
statsURL := c.config.PIHoleStatsURL()
if c.isUsingApiToken() {
statsURL = fmt.Sprintf("%s&auth=%s", statsURL, c.config.PIHoleApiToken)
}
statsURL := fmt.Sprintf(statsURLPattern, c.hostname)
req, err := http.NewRequest("GET", statsURL, nil)
if err != nil {
return nil, fmt.Errorf("an error has occured when creating HTTP statistics request: %w", err)
log.Fatal("An error has occured when creating HTTP statistics request", err)
}
if c.isUsingPassword() {
if c.isAuthenticated() {
c.authenticateRequest(req)
}
resp, err := c.httpClient.Do(req)
if err != nil {
return nil, fmt.Errorf("an error has occured during retrieving Pi-hole statistics: %w", err)
log.Println("An error has occured during retrieving PI-Hole statistics", err)
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("unable to read Pi-hole statistics HTTP response: %w", err)
log.Println("Unable to read PI-Hole statistics HTTP response", err)
}
err = json.Unmarshal(body, stats)
err = json.Unmarshal(body, &stats)
if err != nil {
return nil, fmt.Errorf("unable to unmarshal Pi-hole statistics to statistics struct model: %w", err)
log.Println("Unable to unmarshal PI-Hole statistics to statistics struct model", err)
}
return stats, nil
return &stats
}
func (c *Client) isUsingPassword() bool {
return len(c.config.PIHolePassword) > 0
}
func (c *Client) isUsingApiToken() bool {
return len(c.config.PIHoleApiToken) > 0
func (c *Client) isAuthenticated() bool {
return len(c.password) > 0
}
func (c *Client) authenticateRequest(req *http.Request) {
cookie := http.Cookie{Name: "PHPSESSID", Value: c.getPHPSessionID()}
cookie := http.Cookie{Name: "PHPSESSID", Value: c.sessionID}
req.AddCookie(&cookie)
}

View file

@ -6,7 +6,7 @@ const (
enabledStatus = "enabled"
)
// Stats struct is the Pi-hole statistics JSON API corresponding model.
// Stats struct is the PI-Hole statistics JSON API corresponding model.
type Stats struct {
DomainsBeingBlocked int `json:"domains_being_blocked"`
DNSQueriesToday int `json:"dns_queries_today"`
@ -18,20 +18,10 @@ type Stats struct {
ClientsEverSeen int `json:"clients_ever_seen"`
UniqueClients int `json:"unique_clients"`
DNSQueriesAllTypes int `json:"dns_queries_all_types"`
ReplyUnknown int `json:"reply_UNKNOWN"`
ReplyNoData int `json:"reply_NODATA"`
ReplyNxDomain int `json:"reply_NXDOMAIN"`
ReplyCname int `json:"reply_CNAME"`
ReplyIP int `json:"reply_IP"`
ReplyDomain int `json:"reply_DOMAIN"`
ReplyRRName int `json:"reply_RRNAME"`
ReplyServFail int `json:"reply_SERVFAIL"`
ReplyRefused int `json:"reply_REFUSED"`
ReplyNotImp int `json:"reply_NOTIMP"`
ReplyOther int `json:"reply_OTHER"`
ReplyDNSSEC int `json:"reply_DNSSEC"`
ReplyNone int `json:"reply_NONE"`
ReplyBlob int `json:"reply_BLOB"`
TopQueries map[string]int `json:"top_queries"`
TopAds map[string]int `json:"top_ads"`
TopSources map[string]int `json:"top_sources"`
@ -41,6 +31,6 @@ type Stats struct {
}
// ToString method returns a string of the current statistics struct.
func (s *Stats) String() string {
func (s *Stats) ToString() string {
return fmt.Sprintf("%d ads blocked / %d total DNS queries", s.AdsBlockedToday, s.DNSQueriesAllTypes)
}

View file

@ -1,15 +1,11 @@
package server
import (
"fmt"
"log"
"net/http"
"strconv"
"strings"
"time"
"github.com/eko/pihole-exporter/internal/pihole"
"github.com/prometheus/client_golang/prometheus/promhttp"
log "github.com/sirupsen/logrus"
"golang.org/x/net/context"
)
@ -20,34 +16,15 @@ type Server struct {
// NewServer method initializes a new HTTP server instance and associates
// the different routes that will be used by Prometheus (metrics) or for monitoring (readiness, liveness).
func NewServer(addr string, port uint16, clients []*pihole.Client) *Server {
func NewServer(port string) *Server {
mux := http.NewServeMux()
httpServer := &http.Server{
Addr: addr + ":" + strconv.Itoa(int(port)),
Handler: mux,
}
httpServer := &http.Server{Addr: ":" + port, Handler: mux}
s := &Server{
httpServer: httpServer,
}
mux.HandleFunc("/metrics", func(writer http.ResponseWriter, request *http.Request) {
log.Printf("request.Header: %v\n", request.Header)
for _, client := range clients {
go client.CollectMetricsAsync(writer, request)
}
for _, client := range clients {
status := <-client.Status
if status.Status == pihole.MetricsCollectionError {
log.Printf("An error occured while contacting %s: %s", client.GetHostname(), status.Err.Error())
}
}
promhttp.Handler().ServeHTTP(writer, request)
})
mux.Handle("/metrics", promhttp.Handler())
mux.Handle("/readiness", s.readinessHandler())
mux.Handle("/liveness", s.livenessHandler())
@ -72,41 +49,20 @@ func (s *Server) Stop() {
s.httpServer.Shutdown(ctx)
}
func (s *Server) handleMetrics(clients []*pihole.Client) http.HandlerFunc {
return func(writer http.ResponseWriter, request *http.Request) {
errors := make([]string, 0)
for _, client := range clients {
if err := client.CollectMetrics(writer, request); err != nil {
errors = append(errors, err.Error())
fmt.Printf("Error %s\n", err)
}
}
if len(errors) == len(clients) {
writer.WriteHeader(http.StatusBadRequest)
body := strings.Join(errors, "\n")
_, _ = writer.Write([]byte(body))
}
promhttp.Handler().ServeHTTP(writer, request)
}
}
func (s *Server) readinessHandler() http.HandlerFunc {
return func(w http.ResponseWriter, req *http.Request) {
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
if s.isReady() {
w.WriteHeader(http.StatusOK)
} else {
w.WriteHeader(http.StatusNotFound)
}
}
})
}
func (s *Server) livenessHandler() http.HandlerFunc {
return func(w http.ResponseWriter, req *http.Request) {
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
w.WriteHeader(http.StatusOK)
}
})
}
func (s *Server) isReady() bool {

68
main.go
View file

@ -1,55 +1,53 @@
package main
import (
"log"
"fmt"
"os"
"os/signal"
"syscall"
"time"
"github.com/eko/pihole-exporter/config"
"github.com/eko/pihole-exporter/internal/metrics"
"github.com/eko/pihole-exporter/internal/pihole"
"github.com/eko/pihole-exporter/internal/server"
"github.com/xonvanetta/shutdown/pkg/shutdown"
)
const (
name = "pihole-exporter"
)
var (
s *server.Server
)
func main() {
envConf, clientConfigs, err := config.Load()
if err != nil {
log.Fatal(err.Error())
}
conf := config.Load()
metrics.Init()
serverDead := make(chan struct{})
initPiholeClient(conf.PIHoleHostname, conf.PIHolePassword, conf.Interval)
initHttpServer(conf.Port)
clients := buildClients(clientConfigs, envConf)
handleExitSignal()
}
s := server.NewServer(envConf.BindAddr, envConf.Port, clients)
go func() {
s.ListenAndServe()
close(serverDead)
}()
func initPiholeClient(hostname, password string, interval time.Duration) {
client := pihole.NewClient(hostname, password, interval)
go client.Scrape()
}
ctx := shutdown.Context()
func initHttpServer(port string) {
s = server.NewServer(port)
go s.ListenAndServe()
}
func handleExitSignal() {
stop := make(chan os.Signal, 1)
signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
<-stop
go func() {
<-ctx.Done()
s.Stop()
}()
select {
case <-ctx.Done():
case <-serverDead:
}
log.Println("pihole-exporter HTTP server stopped")
}
func buildClients(clientConfigs []config.Config, envConfig *config.EnvConfig) []*pihole.Client {
clients := make([]*pihole.Client, 0, len(clientConfigs))
for i := range clientConfigs {
clientConfig := &clientConfigs[i]
client := pihole.NewClient(clientConfig, envConfig)
clients = append(clients, client)
}
return clients
fmt.Println(fmt.Sprintf("\n%s HTTP server stopped", name))
}