[VPA][E2E] "Actuation does not act on injected sidecars" test is failing

[krzysied]

The VPA E2E test are failing https://k8s-testgrid.appspot.com/sig-autoscaling-vpa#autoscaling-vpa-actuation.

The failing test is "Actuation does not act on injected sidecars".

It fails since 2021-05-14 03:20:16 +0000 UTC

First bad run: https://prow.k8s.io/view/gs/kubernetes-jenkins/logs/ci-kubernetes-e2e-autoscaling-vpa-actuation/1393043435660775424
Last good run: https://prow.k8s.io/view/gs/kubernetes-jenkins/logs/ci-kubernetes-e2e-autoscaling-vpa-actuation/1393012984304898048

[krzysied]

Based on the logs:

I0514 04:07:20.955]   �[91mMay 14 04:07:16.770: registering mutating webhook config z-sidecar-injection-webhook with namespace vertical-pod-autoscaling-1004
I0514 04:07:20.955]   Unexpected error:
I0514 04:07:20.955]       <*errors.StatusError | 0xc00048f180>: {
I0514 04:07:20.955]           ErrStatus: {
I0514 04:07:20.955]               TypeMeta: {Kind: "", APIVersion: ""},
I0514 04:07:20.956]               ListMeta: {
I0514 04:07:20.956]                   SelfLink: "",
I0514 04:07:20.956]                   ResourceVersion: "",
I0514 04:07:20.956]                   Continue: "",
I0514 04:07:20.956]                   RemainingItemCount: nil,
I0514 04:07:20.956]               },
I0514 04:07:20.957]               Status: "Failure",
I0514 04:07:20.957]               Message: "the server could not find the requested resource",
I0514 04:07:20.957]               Reason: "NotFound",
I0514 04:07:20.957]               Details: {Name: "", Group: "", Kind: "", UID: "", Causes: nil, RetryAfterSeconds: 0},
I0514 04:07:20.957]               Code: 404,
I0514 04:07:20.958]           },
I0514 04:07:20.958]       }
I0514 04:07:20.958]       the server could not find the requested resource
I0514 04:07:20.958]   occurred�[0m

It seems there is a problem with the webhook setup. This may be releated to v1beta being not supported in k8s 1.22 - kubernetes/kubernetes#82021