⚠️ Do not use this tool

Kubernetes has this already built in: The kubernetes API has an endpoint GET /openapi/v2 that returns an OpenAPI spec based on the cluster configuration. Using kubectl this can be retrieved using:

kubectl proxy --port=8080 & ; sleep 5; curl localhost:8080/openapi/v2 >kubernetes-openapi.json

This tool expects the output of kubectl get crd --output=json via stdin and prints a Swagger JSON to stdout

Graphical output can be looked at (for example) on the Swagger Editor webservice

If Dart is installed on your system, you can install the tool using

 dart pub global activate --source git https://github.com/Wikiwix/crd_swagger_transform.git

and following the steps in the Dart documentation.

Then the tool can be used like

kubectl get crds --output=json | crdswag > swagger-crds.json
# or for a single CRD
kubectl get crd specificcrds.example.com --output=json | crdswag > swagger-crds.json