Deleting K8s `cert-manager` namespace causes deletion to be stuck in terminating state

[kdcllc]

Running kubectl get namespace cert-manager -o json > cert-manager.json get the following message :

Discovery failed for some groups, 1 failing: unable to retrieve the complete list of server APIs: admission.certmanager.k8s.io/v1beta1: the server is currently unable to handle the request

Running kubectl get apiservice returned v1beta1.admission.certmanager.k8s.io cert-manager/cert-manager-webhook False (ServiceNotFound) 616d

Resolution

 kubectl delete apiservice v1beta1.admission.certmanager.k8s.io