Kubernetes Delete Namespace

kubectl api-resources --verbs=list --namespaced -o name \
>   | xargs -n 1 kubectl get --show-kind --ignore-not-found -n rook-ceph


kubectl -n rook-ceph patch cephclusters.ceph.rook.io rook-ceph --type merge -p '{"metadata":{"finalizers": [null]}}'
kubectl delete cephcluster.ceph.rook.io/rook-ceph -n rook-ceph