Lessons Learned: From Java EE to Spring Cloud in the context of Activiti OSS

May 11, 20180 likes474 views

This presentation is about the Journey of an Open Source project adopting Spring Cloud to target Kubernetes as the target platform for deployments. For more information visit salaboy.com

From Java EE to Spring Cloud
@Salaboy
Kraków, 9-11 May 2018
Lessons Learned
… and beyond

@Salaboy Kraków, 9-11 May 2018
This is not about

@Salaboy Kraków, 9-11 May 2018
My Background
http://salaboy.com

@Salaboy Kraków, 9-11 May 2018
Project Background
Activiti Cloud
Open Source Business Automation in the Cloud

@Salaboy Kraków, 9-11 May 2018
Infrastructure

@Salaboy Kraków, 9-11 May 2018
Applications

@Salaboy Kraków, 9-11 May 2018
BluePrint: Trending Topic Campaigns

@Salaboy Kraków, 9-11 May 2018
•New Governance and Release Model (EEj4)
•Focused on Cloud Native Applications
•microprofile.io
•Container + Building Blocks for our services
•Wildfly Swarm / TomEE
New EE World

@Salaboy Kraków, 9-11 May 2018
MicroProfile 2.0 (1H 2018?)

@Salaboy Kraków, 9-11 May 2018
Arquillian.org

@Salaboy Kraków, 9-11 May 2018
•Spring Boot focused on each individual service
•Spring Cloud focused on making them work together in
a Cloud Native way
Spring Ecosystem

@Salaboy Kraków, 9-11 May 2018
•Lot’s of cool stuff
•Based on JDK8 Baseline and JDK9 support
•Reactive web programming support with Spring
WebFlux/WebFlux.fn
•HTTP/2 for Tomcat, Undertow and Jetty.
•Kotlin Support
Spring Boot 2 GA
For us: the building block for our services and their dependencies

@Salaboy Kraków, 9-11 May 2018
For us: how all these autonomous services work together
•Glue and Tooling for our Cloud Native Services
• Service Registry
• Distributed Configuration Service
• Distributed Messaging (Streams)
• Distributed logging and monitoring
• Gateway
• Netflix (Circuit Breakers, Bulkheads, Fallbacks, Feign)
• Contracts
• Cloud Deployers
Spring Cloud

@Salaboy Kraków, 9-11 May 2018
Monolith First

@Salaboy Kraków, 9-11 May 2018
Define the scope of your Service
The Cloud Native Journey (1/?)

@Salaboy Kraków, 9-11 May 2018
1 Service == 1 Repository
The Cloud Native Journey (2/?)

@Salaboy Kraków, 9-11 May 2018
Dependencies
The Cloud Native Journey (3/?)

@Salaboy Kraków, 9-11 May 2018
Infrastructure
The Cloud Native Journey (4 /?)

@Salaboy Kraków, 9-11 May 2018
Docker Compose -> Infrastructure
The Cloud Native Journey (5/?)

@Salaboy Kraków, 9-11 May 2018
Your Services Docker Images
The Cloud Native Journey (6/?)

@Salaboy Kraków, 9-11 May 2018
Building + Publishing Images
The Cloud Native Journey (7/?)

@Salaboy Kraków, 9-11 May 2018
Environment(s) for Consumers
The Cloud Native Journey (8/?)

@Salaboy Kraków, 9-11 May 2018
Cloud Native Patterns (Spring Cloud)
The Cloud Native Journey (9/?)

@Salaboy Kraków, 9-11 May 2018
Infrastructure Dependencies
The Cloud Native Journey (10/?)

@Salaboy Kraków, 9-11 May 2018
Infrastructure Dependencies
The Cloud Native Journey (11/?)

@Salaboy Kraków, 9-11 May 2018
Kubernetes
The Cloud Native Journey (13/?)

@Salaboy Kraków, 9-11 May 2018
Kubernetes -> Cloud Providers
The Cloud Native Journey (15/?)

@Salaboy Kraków, 9-11 May 2018
Deployment Descriptors
The Cloud Native Journey (16/?)

@Salaboy Kraków, 9-11 May 2018
Spring Cloud vs Kubernetes
The Cloud Native Journey (17/?)

@Salaboy Kraków, 9-11 May 2018
Infrastructure in Kubernetes?
The Cloud Native Journey (18/ 19)

@Salaboy Kraków, 9-11 May 2018
Pipelines & Acceptance Tests
The Cloud Native Journey (19/?)

@Salaboy Kraków, 9-11 May 2018
jenkinsx.io
The Cloud Native Journey (20/?)

@Salaboy Kraków, 9-11 May 2018
Look into the Future
•Spring Cloud Kubernetes
•Kubernetes Service Catalog
•Spring Cloud Open Service Broker
•Kubernetes Auth via Dex
•Istio Service Mesh
•JHipster

@Salaboy Kraków, 9-11 May 2018
Spring Cloud Kubernetes

@Salaboy Kraków, 9-11 May 2018
Thanks!
We want to hear about your Journey!
activiti.org
Gitter: Activiti/Activiti7
Twitter:
• @activiti
• @salaboy

40
Spring Cloud Kubernetes
Look into the future (1/x)

41
Kubernetes Service Catalog
Look into the future (2/x)

42
Spring Cloud Open Service Broker
Look into the future (3/x)

43
Kubernetes Application Proposal
Look into the future (4 /x)

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This document provides an overview of Knative at Kubecon. It discusses Knative becoming a CNCF project, features like serverless containers and event-driven apps, mythbusters, adopters, major milestones, stats, project structure, 2022 roadmap, a functions demo, and how to get involved in the community. It encourages joining the community through meetups, contributing to working groups, docs, infrastructure, or code.

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This document summarizes a presentation about expanding interoperability in the continuous delivery (CD) ecosystem using CloudEvents (CDEvents). It describes a scenario of provisioning environments on demand and integrating different tools like Knative, Crossplane, and Tekton using CDEvents. Challenges discussed include routing events across clusters and extending projects. It demonstrates routing events between environment provisioning and tool installation. Contact details are provided to discuss CDEvents adoption and integration efforts further.

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1) Mauricio Salatino and Thomas Vitale gave a presentation on building applications using serverless functions and event-driven architectures with Knative on Kubernetes. 2) They demonstrated developing polyglot functions with Knative that are triggered by events using CloudEvents and can be deployed without Docker or YAML files. 3) The presentation included an example of building a multiplayer quiz game as a set of synchronous and asynchronous Knative functions that communicate through events to track scores and progress.

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The document discusses how platform teams can reduce cognitive load for application teams. It argues that platform teams should provide a curated internal platform with supported "golden paths" to reduce complexity. The presentation provides an example using EasyEaty to demonstrate how a platform team can offer self-service tools and environments to simplify the developer experience of deploying code. Key takeaways recommend that organizations identify their existing golden paths and look for ways to improve the developer experience and guide developers along a supported route to production.

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Mauricio Salatino and Thomas Vitale presented on using Knative and Spring to build serverless applications with functions. They demonstrated how to deploy functions from code to a URL using Knative Serving and Functions. They also discussed using Knative Eventing to build event-driven architectures and route events between functions. Finally, they proposed a game architecture using functions and events on Kubernetes and discussed challenges around scaling, latency, and consistency.

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This document discusses tools that could help build a self-service SaaS platform on Kubernetes. It covers using Tekton for building and packaging applications into artifacts that can be deployed from source. It also discusses using Crossplane to provision multi-cloud infrastructure and create custom abstractions. Finally, it discusses using Knative to provide serverless capabilities and make developer workflows easier through services and eventing. The goal is to build a fully extensible and self-service SaaS platform on top of Kubernetes.

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Knative is an open source project that provides serverless capabilities and eventing on Kubernetes. It includes Knative Serving for deploying and managing serverless applications and services, and Knative Eventing for enabling event-driven architectures. Knative aims to simplify continuous delivery for developers by abstracting away many of the complexities of Kubernetes and providing out-of-the-box capabilities for traffic management, auto-scaling, and event-driven workflows. The presentation covered the key components of Knative Serving and Eventing and how they can help enable continuous delivery of cloud native applications on Kubernetes.

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Este documento presenta una introducción a Knative y su utilidad para implementar arquitecturas de microservicios en la nube. Explica brevemente los beneficios de los microservicios y Kubernetes, y luego se enfoca en describir las capacidades clave de Knative como simplificar el escalado automático y la implementación de versiones múltiples de servicios. Finalmente, brinda detalles sobre la comunidad activa que respalda Knative.

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1. From Java EE to Spring Cloud @Salaboy Kraków, 9-11 May 2018 Lessons Learned … and beyond

2. @Salaboy Kraków, 9-11 May 2018 Agenda •What this presentation is not about •Background •The (Painful) journey to Cloud Native •Jakarta EE / Micro Profile •Cloud Native Java Applications •Containers -> Kubernetes? •What’s coming?

3. @Salaboy Kraków, 9-11 May 2018 This is not about

4. @Salaboy Kraków, 9-11 May 2018 My Background http://salaboy.com

5. @Salaboy Kraków, 9-11 May 2018 Project Background Activiti Cloud Open Source Business Automation in the Cloud

6. @Salaboy Kraków, 9-11 May 2018 Infrastructure

7. @Salaboy Kraków, 9-11 May 2018 Applications

8. @Salaboy Kraków, 9-11 May 2018 BluePrint: Trending Topic Campaigns

9. @Salaboy Kraków, 9-11 May 2018 •New Governance and Release Model (EEj4) •Focused on Cloud Native Applications •microprofile.io •Container + Building Blocks for our services •Wildfly Swarm / TomEE New EE World

10. @Salaboy Kraków, 9-11 May 2018 MicroProfile 2.0 (1H 2018?)

11. @Salaboy Kraków, 9-11 May 2018 Arquillian.org

12. @Salaboy Kraków, 9-11 May 2018 •Spring Boot focused on each individual service •Spring Cloud focused on making them work together in a Cloud Native way Spring Ecosystem

13. @Salaboy Kraków, 9-11 May 2018 •Lot’s of cool stuff •Based on JDK8 Baseline and JDK9 support •Reactive web programming support with Spring WebFlux/WebFlux.fn •HTTP/2 for Tomcat, Undertow and Jetty. •Kotlin Support Spring Boot 2 GA For us: the building block for our services and their dependencies

14. @Salaboy Kraków, 9-11 May 2018 For us: how all these autonomous services work together •Glue and Tooling for our Cloud Native Services • Service Registry • Distributed Configuration Service • Distributed Messaging (Streams) • Distributed logging and monitoring • Gateway • Netflix (Circuit Breakers, Bulkheads, Fallbacks, Feign) • Contracts • Cloud Deployers Spring Cloud

15. @Salaboy Kraków, 9-11 May 2018

16. @Salaboy Kraków, 9-11 May 2018 Monolith First

17. @Salaboy Kraków, 9-11 May 2018 Define the scope of your Service The Cloud Native Journey (1/?)

18. @Salaboy Kraków, 9-11 May 2018 1 Service == 1 Repository The Cloud Native Journey (2/?)

19. @Salaboy Kraków, 9-11 May 2018 Dependencies The Cloud Native Journey (3/?)

20. @Salaboy Kraków, 9-11 May 2018 Infrastructure The Cloud Native Journey (4 /?)

21. @Salaboy Kraków, 9-11 May 2018 Docker Compose -> Infrastructure The Cloud Native Journey (5/?)

22. @Salaboy Kraków, 9-11 May 2018 Your Services Docker Images The Cloud Native Journey (6/?)

23. @Salaboy Kraków, 9-11 May 2018 Building + Publishing Images The Cloud Native Journey (7/?)

24. @Salaboy Kraków, 9-11 May 2018 Environment(s) for Consumers The Cloud Native Journey (8/?)

25. @Salaboy Kraków, 9-11 May 2018 Cloud Native Patterns (Spring Cloud) The Cloud Native Journey (9/?)

26. @Salaboy Kraków, 9-11 May 2018 Infrastructure Dependencies The Cloud Native Journey (10/?)

27. @Salaboy Kraków, 9-11 May 2018 Infrastructure Dependencies The Cloud Native Journey (11/?)

28. @Salaboy Kraków, 9-11 May 2018

29. @Salaboy Kraków, 9-11 May 2018

30. @Salaboy Kraków, 9-11 May 2018 Kubernetes The Cloud Native Journey (13/?)

31. @Salaboy Kraków, 9-11 May 2018 Kubernetes -> Cloud Providers The Cloud Native Journey (15/?)

32. @Salaboy Kraków, 9-11 May 2018 Deployment Descriptors The Cloud Native Journey (16/?)

33. @Salaboy Kraków, 9-11 May 2018 Spring Cloud vs Kubernetes The Cloud Native Journey (17/?)

34. @Salaboy Kraków, 9-11 May 2018 Infrastructure in Kubernetes? The Cloud Native Journey (18/ 19)

35. @Salaboy Kraków, 9-11 May 2018 Pipelines & Acceptance Tests The Cloud Native Journey (19/?)

36. @Salaboy Kraków, 9-11 May 2018 jenkinsx.io The Cloud Native Journey (20/?)

37. @Salaboy Kraków, 9-11 May 2018 Look into the Future •Spring Cloud Kubernetes •Kubernetes Service Catalog •Spring Cloud Open Service Broker •Kubernetes Auth via Dex •Istio Service Mesh •JHipster

38. @Salaboy Kraków, 9-11 May 2018 Spring Cloud Kubernetes

39. @Salaboy Kraków, 9-11 May 2018 Thanks! We want to hear about your Journey! activiti.org Gitter: Activiti/Activiti7 Twitter: • @activiti • @salaboy

40. 40 Spring Cloud Kubernetes Look into the future (1/x)

41. 41 Kubernetes Service Catalog Look into the future (2/x)

42. 42 Spring Cloud Open Service Broker Look into the future (3/x)

43. 43 Kubernetes Application Proposal Look into the future (4 /x)

44. 44 Istio Look into the future (5/x)

45. 45 JHipster Look into the future (6/x)

46. 46 JHipster Look into the future (7/x)

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