Grpc and asp.net partie 2
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gRPC & ASP.NET Core 3.1 partie 2 + gRPC-web + Azure App service
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Grpc and asp.net partie 2
- 1. gRPC & ASP.NET Core 3.1: partie 2 Senior software developer @ Equisoft http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti Anthony Giretti
- 2. Introduction http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti 2- Comment fonctionne gRPC ? 3- gRPC-web 4- gRPC & Azure 1- Retour sur l’introduction de gRPC dotnet 6- Démo 5- gRPC & Xamarin
- 3. Retour sur l’intro de gRPC dotnet http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti • Framework RPC développé et open source par Google • Compatible uniquement avec HTTP2 • Protocol Buffers (serialization en binaire) • Non compatible avec les navigateurs • Non supporté par Azure App Services
- 4. Comment fonctionne gRPC ? http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti • POST uniquement • Content-Type “application/grpc” • Headers classiques • Headers spécifiques “Trailers” (custom metadata) • HTTP status 200 et grpc-status (1-16) • Réponse binaire https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md
- 5. Comment fonctionne gRPC ? http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti Code Number OK 0 CANCELLED 1 UNKNOWN 2 INVALID_ARGUMENT 3 DEADLINE_EXCEEDED 4 NOT_FOUND 5 ALREADY_EXISTS 6 PERMISSION_DENIED 7 RESOURCE_EXHAUSTED 8 Code Number FAILED_PRECONDITION 9 ABORTED 10 OUT_OF_RANGE 11 UNIMPLEMENTED 12 INTERNAL 13 UNAVAILABLE 14 DATA_LOSS 15 UNAUTHENTICATED 16 grpc-status
- 6. Comment fonctionne gRPC ? http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti • grpc-status permet d’introduire la résilience avec Polly
- 7. Comment fonctionne gRPC ? http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti • CRUD
- 8. Comment fonctionne gRPC ? http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti • Validation native non supportée • Alternative server side avec le package https://www.nuget.org/packages/Calzolari.Grpc.AspNetCore.Validation/ • Client side avec le package https://www.nuget.org/packages/Calzolari.Grpc.Net.Client.Validation/ https://github.com/AnthonyGiretti/grpc-aspnetcore-validator
- 9. Comment fonctionne gRPC ? http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti • Authentification • HTTP 401 !!!! pas de grpc-status
- 10. Comment fonctionne gRPC ? http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti • L’audit grâce aux intercepteurs
- 11. Comment fonctionne gRPC ? http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti • Gestion des erreurs globales non supportées
- 12. Comment fonctionne gRPC ? http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti • Healthchecks • Versionning • Tests d’intégrations • Monitoring avec Application Insights (mais pas efficace)
- 13. gRPC-web http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti • Compatibilité avec les navigateurs web et clients lourds • Compatible avec HTTP1.1 & HTTP2 • Content-Type “application/grpc-web” ou “application/grpc-web-text” • Librairie Client gRPC-web et serveur • Activer CORS
- 16. gRPC-web http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti • Configuration client • Générer le client à partir du fichier proto
- 17. gRPC & Azure http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti • Azure App Service supporte gRPC-web
- 18. gRPC & Azure http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti • Issues avec Linux App services
- 19. gRPC & Xamarin http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti • Xamarin supporte gRPC-web (application déployée) • Toujours le même problème en local
- 20. Conclusion http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti • gRPC • Serveur a serveur • Non compatible Azure App Service • Transport binaire • HTTP2 • gRPC-web • Serveur a serveur ou serveur a browser • Compatible avec Azure App Service • Transport texte ou base 64 • HTTP2 & HTTP1.1
- 21. Ressources http://anthonygiretti.com/ https://twitter.com/anthonygiretti https://www.linkedin.com/in/anthony-g-98670426/ https://github.com/AnthonyGiretti https://www.nuget.org/profiles/AnthonyGiretti • https://grpcweb.azurewebsites.net/ • https://github.com/improbable-eng/grpc-web • https://github.com/AnthonyGiretti/angular8-grpc-aspnetcore3-1-demo • https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md • https://devblogs.microsoft.com/aspnet/grpc-web-experiment/