23 changed files with 241 additions and 4635 deletions
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@ -1,71 +0,0 @@
-# Contributing
-
-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.
-
-## Why contributing?
-
-The best way to start contributing is to help others. This includes:
-
- Reporting new bugs or adding details to existing ones
- Trying to reproduce unconfirmed bugs
- Quick typo fix or documentation improvement
- Participating in discussions
-
-After becoming familiar with this project, you could contribute in other ways, such as:
-
- Helping fix bugs (issues)
- Implement new features you think it could be interesting for others
- Publishing guides, tutorials, and examples
-
-## Questions
-
-If you have a question, please feel free to open a new issue on this repository.
-
-## Bug Reports
-
-Search through [Github Issues](https://github.com/eko/pihole-exporter/issues) to see if the bug has already been reported. If so, please comment with any additional information.
-
-New bug reports must include:
-
-1. Detailed description of faulty behavior
-2. Steps for reproduction or failing test case
-3. Expected and actual behaviors
-4. Platforms (OS **and** versions) affected
-5. Any information you think it could help identifing the cause of your issue
-
-Lacking reports may be autoclosed with a link to these instructions.
-
-## Feature Requests
-
-Search through [Github Pull Requests](https://github.com/eko/pihole-exporter/pulls) to see if someone has already suggested the feature. If so, please provide support with a [reaction](https://github.com/blog/2119-add-reactions-to-pull-requests-issues-and-comments) and add your own use case.
-
-To open a new feature request, please include:
-
-1. A detailed description of the feature
-2. Why this feature belongs in project core, instead of your own application logic
-3. Background of where and how you are using the project
-4. The use case that would be enabled or improved for your product, if the feature was implemented
-
-Features are prioritized based on real world users and use cases, not theoretically useful additions for other unknown users. Lacking feature requests may be autoclosed with a link to this section.
-
-The more complete and compelling the request, the more likely it will ultimately be implemented. Garnering community support will help as well!
-
-## Pull Requests
-
-Non-code Pull Requests such as typo fixes or documentation improvements are highly encouraged and are often accepted immediately.
-
-Pull Requests modifying source code, including backwards compatible additions, will undergo the most scrutiny, and will almost certainly require a proper discussion of the motivation and merits beforehand. Simply increasing code complexity is a cost not to be taken lightly.
-
-Pull requests must:
-
-1. Be forked off the [master](https://github.com/eko/pihole-exporter/tree/master) branch.
-2. Pass the linter and conform to existing coding styles.
-3. Commits are [squashed](https://git-scm.com/book/en/v2/Git-Tools-Rewriting-History#Squashing-Commits) to minimally coherent units of changes.
-4. Are accompanied by tests covering the new feature or demonstrating the bug for fixes.
-5. Serve a single atomic purpose (add one feature or fix one bug).
-6. Introduce only changes that further the PR's singular purpose (ex. do not tweak an unrelated config along with adding your feature).
-7. Not break any existing unit or end to end tests.
-
-**Important:** By issuing a Pull Request you agree to allow the project owners to license your work under the terms of the [License](https://github.com/eko/pihole-exporter/blob/master/LICENSE).
--- a/.github/ISSUE_TEMPLATE/issue-template.md
+++ b/.github/ISSUE_TEMPLATE/issue-template.md
@ -1,29 +0,0 @@
---
-name: Issue template
-about: Issue template
-title: ''
-labels: ''
-assignees: ''
-
---
-
-Please describe the a concise description and fill out the details below. It will help others efficiently understand your request and get to an answer instead of repeated back and forth. Providing a [minimal, complete and verifiable example](https://stackoverflow.com/help/mcve) will further increase your chances that someone can help.
-
-**Steps for Reproduction**
-
-1. Set up the following "xxxx" value in the `config.yaml` configuration file
-2. Launch binary with the following arguments
-3. Step Two
-4. Step Three
-
-**Expected behavior**:
-
-**Actual behavior**:
-
-**Platforms**:
-
-Include browser, operating system and respective versions
-
-**Versions**:
-
-Which versions are you running?
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@ -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
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@ -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 \
-            .
--- a/.github/workflows/tag.yml
+++ b/.github/workflows/tag.yml
@ -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
--- a/.gitignore
+++ b/.gitignore
@ -1,7 +1,6 @@
-vendor
+search-api
 bin
 tmp
-
 .vscode
 report.xml
 debug
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@ -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
--- a/.travis.yml
+++ b/.travis.yml
@ -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 -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: $LATEST = true
--- a/22
+++ b/22
@ -1,22 +0,0 @@
-ARG IMAGE=scratch
-ARG OS=linux
-ARG ARCH=amd64
-
-FROM golang:1.21.2-alpine3.17 as builder
-
-WORKDIR /go/src/github.com/eko/pihole-exporter
-COPY . .
-
-RUN apk --no-cache add git alpine-sdk
-
-RUN GO111MODULE=on go mod vendor
-RUN CGO_ENABLED=0 GOOS=$OS GOARCH=$ARCH go build -ldflags '-s -w' -o binary ./
-
-FROM $IMAGE
-
-LABEL name="pihole-exporter"
-
-WORKDIR /root/
-COPY --from=builder /go/src/github.com/eko/pihole-exporter/binary pihole-exporter
-
-CMD ["./pihole-exporter"]
--- a/README.md
+++ b/README.md
@ -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).

 ## 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)
 ]
@ -33,92 +31,18 @@ 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)
 ]

-### Using Docker
-
-The exporter is also available as a [Docker image](https://hub.docker.com/r/ekofr/pihole-exporter).
-You can run it using the following example and pass configuration environment variables:
-
-```
-$ docker run \
-  -e 'PIHOLE_HOSTNAME=192.168.1.2' \
-  -e 'PIHOLE_PASSWORD=mypassword' \
-  -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
-```
-
 ### From sources

 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
 ```

-Install the needed vendors:
-
-```
-$ GO111MODULE=on go mod vendor
-```
-
 Then, build the binary (here, an example to run on Raspberry PI ARM architecture):
 ```bash
 $ GOOS=linux GOARCH=arm GOARM=7 go build -o pihole_exporter .
@ -128,27 +52,16 @@ $ 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 Port : 9311
+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
@ -178,28 +91,22 @@ Once the exporter is running, you also have to update your `prometheus.yml` conf
 scrape_configs:
  - job_name: 'pihole'
    static_configs:
-      - targets: ['localhost:9617']
+      - targets: ['localhost:9311']
 ```

 ## 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")
+  -port string (optional) (default "9311")
 ```

 ## Available Prometheus metrics
@ -217,16 +124,9 @@ 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                                                      |
--- a/config/configuration.go
+++ b/config/configuration.go
@ -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:     "9311",
+		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("------------------------------------")
 }
--- a/config/configuration_test.go
+++ b/config/configuration_test.go
@ -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)
-}
--- a/dashboard-influxdb2.png
+++ b/dashboard-influxdb2.png
--- a/docker-compose.yml
+++ b/docker-compose.yml
@ -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
--- a/go.mod
+++ b/go.mod
@ -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
 )
--- a/go.sum
+++ b/go.sum
@ -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=
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--- a/grafana/dashboard-influxdb2.json
+++ b/grafana/dashboard-influxdb2.json
--- a/grafana/dashboard.json
+++ b/grafana/dashboard.json
--- a/internal/metrics/metrics.go
+++ b/internal/metrics/metrics.go
@ -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)
 }
--- a/internal/pihole/client.go
+++ b/internal/pihole/client.go
@ -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.StatusFound {
+		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)
 }
--- a/internal/pihole/model.go
+++ b/internal/pihole/model.go
@ -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)
 }
--- a/internal/server/server.go
+++ b/internal/server/server.go
@ -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 {
--- a/main.go
+++ b/main.go
@ -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)
-
-	s := server.NewServer(envConf.BindAddr, envConf.Port, clients)
-	go func() {
-		s.ListenAndServe()
-		close(serverDead)
-	}()
-
-	ctx := shutdown.Context()
-
-	go func() {
-		<-ctx.Done()
-		s.Stop()
-	}()
-
-	select {
-	case <-ctx.Done():
-	case <-serverDead:
-	}
-
-	log.Println("pihole-exporter HTTP server stopped")
+	handleExitSignal()
 }

-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
+func initPiholeClient(hostname, password string, interval time.Duration) {
+	client := pihole.NewClient(hostname, password, interval)
+	go client.Scrape()
+}
+
+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
+
+	s.Stop()
+	fmt.Println(fmt.Sprintf("\n%s HTTP server stopped", name))
 }