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97
README.md
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97
README.md
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# pocket-id-exporter
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Der pocket-id-exporter ist ein Prometheus-Exporter für die Pocket ID-Datenbank. Er stellt Metriken über die Anzahl der Anmeldungen und Benutzer bereit.
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## Funktionen
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- Exportiert die Gesamtzahl der Anmeldungen als Metrik `pocket_id_login_count`
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- Exportiert die Gesamtzahl der Benutzer als Metrik `pocket_id_user_count`
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- Stellt Metriken im Prometheus-Format unter dem `/metrics`-Endpunkt bereit
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## Voraussetzungen
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- Docker
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- Docker Compose
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## Verwendung mit Docker Compose
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1. Erstellen Sie eine `docker-compose.yml`-Datei im Projektverzeichnis mit folgendem Inhalt:
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```yaml
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version: '3'
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services:
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pocket-id-exporter:
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build: .
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ports:
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- "3000:3000"
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volumes:
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- ./data:/app/data
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```
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2. Erstellen Sie eine `Dockerfile` im Projektverzeichnis:
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```Dockerfile
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FROM golang:1.17-alpine
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WORKDIR /app
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COPY go.mod go.sum ./
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RUN go mod download
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COPY . .
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RUN go build -o pocket-id-exporter
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EXPOSE 3000
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CMD ["./pocket-id-exporter"]
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```
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3. Stellen Sie sicher, dass Ihre SQLite-Datenbank im Verzeichnis `./data` mit dem Namen `pocket-id.db` liegt.
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4. Bauen und starten Sie den Container mit Docker Compose:
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```bash
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docker-compose up --build
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```
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Der Exporter ist nun unter `http://localhost:3000/metrics` erreichbar.
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## Konfiguration von Prometheus
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Fügen Sie folgende Job-Konfiguration zu Ihrer `prometheus.yml` hinzu, um die Metriken zu scrapen:
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```yaml
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scrape_configs:
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- job_name: 'pocket-id'
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static_configs:
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- targets: ['localhost:3000']
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```
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## Entwicklung
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Um den Exporter lokal zu entwickeln und zu testen:
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1. Installieren Sie Go (Version 1.17 oder höher)
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2. Klonen Sie das Repository
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3. Installieren Sie die Abhängigkeiten:
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```bash
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go mod download
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```
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4. Bauen und starten Sie den Exporter:
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```bash
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go build
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./pocket-id-exporter
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```
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## Lizenz
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[MIT License](LICENSE)
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https://github.com/stonith404/pocket-id
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https://goneuland.de/pocket-id-mit-docker-und-traefik-installieren/
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https://github.com/stonith404/pocket-id/issues/56
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54
docker-compose.yml
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54
docker-compose.yml
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services:
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pocketid:
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image: stonith404/pocket-id:latest
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container_name: pocket-id
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restart: unless-stopped
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env_file: .env
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volumes:
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- "./data:/app/backend/data"
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environment:
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- TRUST_PROXY=true # Set to true if a reverse proxy is in front of the container
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- VIRTUAL_HOST=pocket-id.brothertec.eu
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- VIRTUAL_PORT=80
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- LETSENCRYPT_HOST=pocket-id.brothertec.eu
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- LETSENCRYPT_EMAIL=admin@brothertec.eu
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labels:
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- "com.centurylinklabs.watchtower.enable=true"
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networks:
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- default
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- proxy
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- edge-tier
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pocket-id-exporter:
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container_name: pocket-id-exporter
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build:
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context: go/.
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args:
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- GO111MODULE=off
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volumes:
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- "./data:/data"
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#ports:
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# - "3000:3000"
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environment:
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- TZ=Europe/Berlin
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restart: always
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networks:
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default:
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dns:
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ipv4_address: 172.28.0.93
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networks:
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dns:
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name: dns
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external: true
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proxy:
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name: nginx-proxy
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external: true
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edge-tier:
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name: edge
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external: true
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28
go/Dockerfile
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go/Dockerfile
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# syntax=docker/dockerfile:1
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# Build the application from source
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FROM golang:1.20 AS build-stage
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WORKDIR /app
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COPY * ./
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RUN go mod download
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RUN CGO_ENABLED=1 GOOS=linux go build -o /main
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# Run the tests in the container
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FROM build-stage AS run-test-stage
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RUN go test -v ./...
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# Deploy the application binary into a lean image
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FROM gcr.io/distroless/base-debian12 AS build-release-stage
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WORKDIR /
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COPY --from=build-stage /main /main
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EXPOSE 8080
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USER nonroot:nonroot
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ENTRYPOINT ["/main"]
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22
go/Dockerfile.old
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22
go/Dockerfile.old
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# Use an official Golang runtime as a parent image
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FROM golang:1.21.4
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# Set the working directory in the container
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WORKDIR /go/src/app
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# Copy the local package files to the container's workspace
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COPY . .
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# Download and install any required third-party dependencies into the container.
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#RUN go get -u github.com/gorilla/mux
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RUN go get -u github.com/go-sql-driver/mysql
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RUN go get -u github.com/sirupsen/logrus
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# Build the Go application
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RUN go build -o main .
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# Expose port 8080 to the outside world
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EXPOSE 8080
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# Command to run the application with environment variables
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CMD ["./main"]
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20
go/go.mod
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20
go/go.mod
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module pocket-id-exporter
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go 1.20
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require (
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github.com/mattn/go-sqlite3 v1.14.24
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github.com/prometheus/client_golang v1.20.5
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)
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require (
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github.com/beorn7/perks v1.0.1 // indirect
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github.com/cespare/xxhash/v2 v2.3.0 // indirect
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github.com/klauspost/compress v1.17.9 // indirect
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github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
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github.com/prometheus/client_model v0.6.1 // indirect
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github.com/prometheus/common v0.55.0 // indirect
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github.com/prometheus/procfs v0.15.1 // indirect
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golang.org/x/sys v0.22.0 // indirect
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google.golang.org/protobuf v1.34.2 // indirect
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)
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24
go/go.sum
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24
go/go.sum
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github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
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github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
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github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
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github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
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github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
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github.com/klauspost/compress v1.17.9 h1:6KIumPrER1LHsvBVuDa0r5xaG0Es51mhhB9BQB2qeMA=
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github.com/klauspost/compress v1.17.9/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
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github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
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github.com/mattn/go-sqlite3 v1.14.24 h1:tpSp2G2KyMnnQu99ngJ47EIkWVmliIizyZBfPrBWDRM=
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github.com/mattn/go-sqlite3 v1.14.24/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
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github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
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github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
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github.com/prometheus/client_golang v1.20.5 h1:cxppBPuYhUnsO6yo/aoRol4L7q7UFfdm+bR9r+8l63Y=
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github.com/prometheus/client_golang v1.20.5/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE=
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github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
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github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
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github.com/prometheus/common v0.55.0 h1:KEi6DK7lXW/m7Ig5i47x0vRzuBsHuvJdi5ee6Y3G1dc=
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github.com/prometheus/common v0.55.0/go.mod h1:2SECS4xJG1kd8XF9IcM1gMX6510RAEL65zxzNImwdc8=
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github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc=
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github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk=
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golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
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golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
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google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
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75
go/mailu.go
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75
go/mailu.go
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package main
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import (
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"database/sql"
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"log"
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"net/http"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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_ "github.com/mattn/go-sqlite3"
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)
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const (
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dbPath = "./data/pocket-id.db"
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port = ":3000"
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)
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var (
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db *sql.DB
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loginCount = prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "pocket_id_login_count",
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Help: "Total number of sign-ins",
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})
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userCount = prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "pocket_id_user_count",
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Help: "Total number of users",
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})
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)
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func init() {
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prometheus.MustRegister(loginCount)
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prometheus.MustRegister(userCount)
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}
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func main() {
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var err error
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db, err = sql.Open("sqlite3", dbPath)
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if err != nil {
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log.Fatalf("Error opening database: %v", err)
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}
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defer db.Close()
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log.Println("Connected to the Pocket ID SQLite database.")
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http.HandleFunc("/metrics", metricsHandler)
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http.Handle("/", promhttp.Handler())
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log.Printf("Server running on http://localhost%s", port)
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log.Fatal(http.ListenAndServe(port, nil))
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}
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func metricsHandler(w http.ResponseWriter, r *http.Request) {
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updateMetrics()
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promhttp.Handler().ServeHTTP(w, r)
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}
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func updateMetrics() {
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var count int
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err := db.QueryRow("SELECT COUNT(*) FROM Audit_Logs WHERE event = 'SIGN_IN'").Scan(&count)
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if err != nil {
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log.Printf("Error querying login count: %v", err)
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} else {
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loginCount.Set(float64(count))
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}
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err = db.QueryRow("SELECT COUNT(*) FROM Users").Scan(&count)
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if err != nil {
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log.Printf("Error querying user count: %v", err)
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} else {
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userCount.Set(float64(count))
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}
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}
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