Update custom-resource-definitions.md: add validatingadmissionwebhook for validation (#12371)

Add validatingadmissionwebhook for validation in case someone does not know it.
This commit is contained in:
Jun Gong
2019-02-01 06:54:18 +08:00
committed by Kubernetes Prow Robot
parent 2e0287dd86
commit 33d851c913
@@ -228,7 +228,7 @@ meaning all finalizers have been executed.
{{< feature-state state="beta" for_kubernetes_version="1.9" >}}
Validation of custom objects is possible via
[OpenAPI v3 schema](https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.0.md#schemaObject).
[OpenAPI v3 schema](https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.0.md#schemaObject) or [validatingadmissionwebhook](https://kubernetes.io/docs/reference/access-authn-authz/admission-controllers/#validatingadmissionwebhook).
Additionally, the following restrictions are applied to the schema:
- The fields `default`, `nullable`, `discriminator`, `readOnly`, `writeOnly`, `xml`,