kubernetes/apiextensions-apiserver

API server for API extensions like CustomResourceDefinitions

258

stars

4,229

commits

Go

primary language

Sep 11, 2026

updated

k8s-staging
Browse cluster: Kubernetes Core API and Control Plane

README

⚠️ This is an automatically published staged repository for Kubernetes.
Contributions, including issues and pull requests, should be made to the main Kubernetes repository: https://github.com/kubernetes/kubernetes.
This repository is read-only for importing, and not used for direct contributions.
See CONTRIBUTING.md for more details.

apiextensions-apiserver

Implements: https://github.com/kubernetes/design-proposals-archive/blob/main/api-machinery/thirdpartyresources.md

It provides an API for registering CustomResourceDefinitions.

Purpose

This API server provides the implementation for CustomResourceDefinitions which is included as delegate server inside of kube-apiserver.

Compatibility

HEAD of this repo will match HEAD of k8s.io/apiserver, k8s.io/apimachinery, and k8s.io/client-go.

Where does it come from?

apiextensions-apiserver is synced from https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/apiextensions-apiserver. Code changes are made in that location, merged into k8s.io/kubernetes and later synced here.

Contributors

(top 30 of 323)

k8s-publishing-bot

1,979 commits

liggitt

243 commits

sttts

204 commits

dims

171 commits

kubernetes/apiextensions-apiserver

API server for API extensions like CustomResourceDefinitions

258

stars

4,229

commits

Go

primary language

Sep 11, 2026

updated

k8s-staging
Browse cluster: Kubernetes Core API and Control Plane

README

⚠️ This is an automatically published staged repository for Kubernetes.
Contributions, including issues and pull requests, should be made to the main Kubernetes repository: https://github.com/kubernetes/kubernetes.
This repository is read-only for importing, and not used for direct contributions.
See CONTRIBUTING.md for more details.

apiextensions-apiserver

Implements: https://github.com/kubernetes/design-proposals-archive/blob/main/api-machinery/thirdpartyresources.md

It provides an API for registering CustomResourceDefinitions.

Purpose

This API server provides the implementation for CustomResourceDefinitions which is included as delegate server inside of kube-apiserver.

Compatibility

HEAD of this repo will match HEAD of k8s.io/apiserver, k8s.io/apimachinery, and k8s.io/client-go.

Where does it come from?

apiextensions-apiserver is synced from https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/apiextensions-apiserver. Code changes are made in that location, merged into k8s.io/kubernetes and later synced here.

Contributors

(top 30 of 323)

k8s-publishing-bot

1,979 commits

liggitt

243 commits

sttts

204 commits

dims

171 commits

Languages

Go

99.8%