mirror of https://github.com/k3s-io/k3s
5a16163c87
Automatic merge from submit-queue (batch tested with PRs 67576, 66936). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Support dry run in admission webhooks **What this PR does / why we need it**: Follow up to https://github.com/kubernetes/kubernetes/pull/66391 - [x] add DryRun to ```admission.k8s.io/v1beta1.AdmissionReview``` - [x] add DryRunnable to ```admissionregistration.k8s.io/v1beta1.(Valid|Mut)atingWebhookConfiguration``` - [x] add dry run support to (Valid|Mut)atingAdmissionWebhook Includes all the api-changes outlined by https://github.com/kubernetes/community/pull/2387 /sig api-machinery **Release note**: ```release-note To address the possibility dry-run requests overwhelming admission webhooks that rely on side effects and a reconciliation mechanism, a new field is being added to admissionregistration.k8s.io/v1beta1.ValidatingWebhookConfiguration and admissionregistration.k8s.io/v1beta1.MutatingWebhookConfiguration so that webhooks can explicitly register as having dry-run support. If a dry-run request is made on a resource that triggers a non dry-run supporting webhook, the request will be completely rejected, with "400: Bad Request". Additionally, a new field is being added to the admission.k8s.io/v1beta1.AdmissionReview API object, exposing to webhooks whether or not the request being reviewed is a dry-run. ``` |
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