[Kubernetes Hacks] List of tools and command to save when I you are stuck

readme.md

• Delete a stucked namespace that is not deleted with grace-period=0 --force

(
NAMESPACE=your-rogue-namespace
kubectl proxy &
kubectl get namespace $NAMESPACE -o json |jq '.spec = {"finalizers":[]}' >temp.json
curl -k -H "Content-Type: application/json" -X PUT --data-binary @temp.json 127.0.0.1:8001/api/v1/namespaces/$NAMESPACE/finalize
)

Props to nobar: https://stackoverflow.com/a/53661717/6240029