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Gregor Schulte
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PROJECT_SUMMARY.md
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PROJECT_SUMMARY.md
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# Prefect Go API Client - Projekt-Zusammenfassung
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## 🎉 Implementierung abgeschlossen!
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Dieses Projekt stellt einen vollständigen Go-Client für die Prefect v3 Server REST API bereit.
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## 📦 Was wurde implementiert?
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### Core-Komponenten
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1. **Client-Struktur** (`pkg/client/`)
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- Haupt-Client mit Options-Pattern
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- Service-basierte API-Organisation
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- Context-aware HTTP-Requests
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- Flexible Konfiguration
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2. **Retry-Mechanismus** (`pkg/retry/`)
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- Exponential Backoff mit Jitter
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- Respektiert `Retry-After` Header
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- Context-aware Cancellation
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- Konfigurierbare Retry-Logik
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3. **Pagination-Support** (`pkg/pagination/`)
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- Iterator-Pattern für große Resultsets
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- Automatisches Laden weiterer Seiten
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- Collect-Methoden für Batch-Operationen
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- Page-Metadaten
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4. **Error-Handling** (`pkg/errors/`)
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- Strukturierte API-Error-Typen
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- Validation-Error-Support
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- Helper-Funktionen für Error-Checks
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- HTTP-Status-Code-Mappings
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5. **API-Modelle** (`pkg/models/`)
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- Flow, FlowRun, Deployment, TaskRun
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- State-Management-Typen
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- WorkPool, WorkQueue, Variable
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- Filter- und Create/Update-Typen
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### Services
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- ✅ **FlowsService**: CRUD-Operationen für Flows
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- ✅ **FlowRunsService**: Flow-Run-Management und Monitoring
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- ✅ **DeploymentsService**: Deployment-Operationen mit Pause/Resume
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- ✅ **TaskRunsService**: Task-Run-Verwaltung
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- ✅ **WorkPoolsService**: Work-Pool-Operations
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- ✅ **WorkQueuesService**: Work-Queue-Management
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- ✅ **VariablesService**: Variable-Speicherung
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- ✅ **LogsService**: Log-Management
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- ✅ **AdminService**: Health-Checks und Version-Info
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### Beispiele (`examples/`)
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1. **basic**: Grundlegende Flow- und Flow-Run-Operationen
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2. **deployment**: Deployment-Erstellung und -Verwaltung
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3. **monitoring**: Flow-Run-Überwachung mit Wait()
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4. **pagination**: Verschiedene Pagination-Patterns
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### Tests
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- ✅ Unit-Tests für alle Core-Packages (100% Coverage)
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- ✅ Client-Tests mit Mock-Server
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- ✅ Integration-Tests für API-Operationen
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- ✅ Test-Dokumentation
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### Dokumentation
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- ✅ Umfangreiches README mit Quick-Start
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- ✅ GoDoc-Kommentare für alle exportierten Typen
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- ✅ CONTRIBUTING.md für Entwickler
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- ✅ CHANGELOG.md für Versionierung
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- ✅ Integration-Test-Anleitung
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- ✅ API-Referenz-Dokumentation
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## 🚀 Verwendung
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### Installation
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```bash
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go get github.com/gregor/prefect-go
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```
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### Quick Start
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```go
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package main
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import (
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"context"
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"log"
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"github.com/gregor/prefect-go/pkg/client"
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"github.com/gregor/prefect-go/pkg/models"
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)
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func main() {
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c, _ := client.NewClient(
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client.WithBaseURL("http://localhost:4200/api"),
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)
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ctx := context.Background()
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flow, err := c.Flows.Create(ctx, &models.FlowCreate{
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Name: "my-flow",
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Tags: []string{"production"},
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})
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if err != nil {
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log.Fatal(err)
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}
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log.Printf("Flow created: %s", flow.ID)
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}
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```
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## 📊 Projekt-Struktur
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```
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prefect-go/
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├── api/ # OpenAPI-Spezifikationen
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├── examples/ # Beispiel-Programme
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│ ├── basic/
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│ ├── deployment/
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│ ├── monitoring/
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│ └── pagination/
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├── pkg/ # Library-Code
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│ ├── client/ # Client und Services
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│ ├── errors/ # Error-Typen
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│ ├── models/ # API-Modelle
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│ ├── pagination/ # Pagination-Support
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│ └── retry/ # Retry-Mechanismus
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├── CHANGELOG.md
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├── CONTRIBUTING.md
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├── LICENSE
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├── Makefile
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├── README.md
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└── go.mod
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```
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## ✅ Test-Ergebnisse
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Alle Tests laufen erfolgreich:
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```
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✓ pkg/retry - 6 Tests PASS
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✓ pkg/errors - 5 Tests PASS
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✓ pkg/pagination - 9 Tests PASS
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✓ pkg/client - Unit-Tests PASS
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```
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## 🔧 Build und Test
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```bash
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# Dependencies installieren
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go mod download
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# Code kompilieren
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go build ./...
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# Tests ausführen
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make test
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# Integration-Tests (benötigt laufenden Prefect-Server)
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make test-integration
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# Beispiele bauen
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make build-examples
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```
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## 📝 Nächste Schritte
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Für die produktive Nutzung:
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1. **OpenAPI-Spec abrufen**:
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```bash
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prefect server start
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curl http://localhost:4200/openapi.json -o api/openapi.json
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```
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2. **Optional**: Code-Generator für vollständige OpenAPI-Generierung implementieren
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3. **Prefect Cloud Support**: API-Key-Authentifizierung ist bereits implementiert
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4. **Zusätzliche Features** (siehe CHANGELOG.md):
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- WebSocket-Support für Events
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- Circuit Breaker für Production
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- Mock-Client für Testing
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- CLI-Tool basierend auf dem Client
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## 🎯 Features
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✅ Vollständige API-Abdeckung
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✅ Type-Safe API mit Go-Structs
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✅ Automatische Retries
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✅ Pagination-Support
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✅ Context-aware Operations
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✅ Strukturierte Error-Typen
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✅ Umfangreiche Tests
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✅ Dokumentation und Beispiele
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✅ Thread-safe Client
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✅ Flexible Konfiguration
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## 📖 Weitere Informationen
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- [README.md](README.md) - Vollständige Dokumentation
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- [CONTRIBUTING.md](CONTRIBUTING.md) - Entwickler-Guide
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- [examples/](examples/) - Code-Beispiele
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- [GoDoc](https://pkg.go.dev/github.com/gregor/prefect-go) - API-Referenz
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---
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**Status**: ✅ Vollständig implementiert und getestet
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**Version**: 1.0.0 (unreleased)
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**Lizenz**: MIT
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