OpenAPI Generator The Babel Fish of The API World - apidays Live Paris
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OpenAPI Generator The Babel Fish of The API World - apidays Live Paris
- 1. Open API Generator⨠The Babel Fish of the API World Cliffano Subagio | Shine Solutions Apidays Live Paris | 7-9 December 2021
- 2. About Cliffano Subagio Principal Engineer at Shine Solutions, Australia Member of OpenAPI Generator Technical Committee
- 3. Agenda 1. The polyglot systems and the Babel fish 2. Intro to OpenAPI Generator 3. My use case scenarios 4. Wrap up + letâs contribute
- 4. 1. The polyglot systems and the Babel Fish
- 5. Š 2020 Shine Solutions Group Back in the 2000s,⨠I was a Java developer 5 ⢠Monolithic J2EE applications ⢠100% pure Java mindset within the community
- 7. ⨠YOW! 2012 talks⨠by Fred George Micro Services Architecture⨠Language agnostic services Programmer Anarchy⨠Use of Ruby, Clojure, C++, Node.js
- 8. Polyglot Multi Services 8 Ruby Clojure node.js Go Python Java .NET
- 9. If you stick one⨠in your ear The Babel fish
- 10. You instantly understand⨠anything sent to you⨠in any language
- 11. Polyglot Multi Services 11 Ruby Clojure node.js Go Python Java .NET
- 12. 2. Intro to OpenAPI Generator
- 13. OpenAPI Generator 13 ⢠Open source code generator library ⢠Written in Java, uses Mustache templates ⢠Generates API clients, server stubs, docs ⢠Supports 40+ tech stacks ⢠Community fork of Swagger CodeGen ⢠10k+ GitHub stars⨠2k+ contributors
- 14. How does it work? 14 OpenAPI⨠Specification OpenAPI⨠Generator API Clients API Servers API Docs Swagger-Parser Generator Templates
- 15. Example: ipify 15 api.ipify.org GET / ?format=json 200 OK⨠{ âipâ: â60.240.197.183â }
- 19. What will be generated? 19 ⢠Project structure ⢠OpenAPI Generator metadata ⢠README ⢠CI config ⢠Library dependencies ⢠Documentation ⢠Unit tests ⢠API client:⨠Clients, data models ⢠API server stubs:⨠Endpoints, controllers, payloads
- 20. Generated API clients 20 Python Ruby node.js
- 22. Example Ruby API client 22
- 24. 3. My use case scenarios
- 25. SOA with custom ESB (mostly Java) 25 ESB Identity⨠Service Adapter⨠Service Data⨠Service Consolidation⨠Service Routing⨠Service Message⨠Service Monitor⨠Service
- 26. SDK Clients for a REST API 26 API Gateway (OpenAPI) node.js Python Go Java
- 27. Infrastructure as Code 27 Legacy Enterprise Application CLI (node.js) Ruby⨠API Client Python⨠API Client SpringBoot App (Java) Ansible Playbook Puppet Module InSpec Profile
- 30. Top three maintenance tips⌠30 1. Integration testing 2. Integration testing 3. Integration testing
- 31. 31 OpenAPI Spec v2 OpenAPI Spec v3 OpenAPI Generator v2 OAG v3 v4 v5 Python 2 Python 3 Ruby 1.9 Ruby 2.3 Ruby 2.5 Ruby 2.6 My application changes Dependency Vulnerabilities Environment changes Changes happen all the time!
- 32. 4. Wrap up + letâs contribute
- 33. Remember the Babel fish? 33 Ruby Clojure node.js Go Python Java .NET
- 34. OpenAPI Generator 34 https://openapi-generator.tech ⢠Multi tech-stacks support ⢠Boilerplate code for free ⢠Massive time saver
- 35. My first contribution 35 I optimised file downloading⨠in Ruby API clientâs
- 36. Failed to allocate memory at 2Gb
- 38. Your contributions are welcomed!⨠⨠https://github.com/OpenAPITools/ openapi-generator
- 39. Helping OpenAPI Generator If you find OpenAPI Generator useful,⨠please consider becoming a sponsor.⨠⨠https://opencollective.com/ openapi_generator
- 40. Thank you! Any questions? cliff.subagio@shinesolutions.com linkedin.com/in/cliffano/