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Wednesday, May 22 • 11:05 - 11:40
OpenAPI Specs – Towards Native User Experience of CRDs - Stefan Schimanski, Red Hat

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Whenever kubectl creates or changes resources, OpenAPI is involved in the background. OpenAPI is a core technology for client-side validation, docs (kubectl explain), intelligent Kubernetes manifest completion in IDEs and the starting point for client generation in other languages than Go.

With 1.14, we start publishing OpenAPI specs for CRDs, kubectl explain for CRDs will start working. Providers of CRDs will want to create OpenAPI specs for their resources for a native user experience.

The talk will cover:
- Intro to OpenAPI specs
- CRD validation using OpenAPI
- OpenAPI based client generation
- Typical Kubernetes API patterns expressed in OpenAPI
- Towards a standard openapi-spec-gen to extract specs from Golang types
- Expressivity and limits of OpenAPI

Stefan is a core contributor to API machinery, client-go and CRDs, and maintainers of the OpenAPI code in Kubernetes.
Speakers
avatar for Stefan Schimanski

Stefan Schimanski

Senior Principal Engineer, Upbound
Stefan is a Senior Principal Engineer at Upbound working on control planes, Kubernetes, kcp, with a focus on API machinery. He contributed a major part of the CRD feature set. Stefan is a 2nd time GoogleSummer of Code mentor with CNCF, loves to teach and help people to learn. Before... Read More →

OpenAPI Specs Towards Native User Experience of CRDs pdf
Wednesday May 22, 2019 11:05 - 11:40 CEST
Hall 8.1 G1
  Customizing + Extending Kubernetes