Script to force delete namespace which hang in terminating stage in k8s cluster

delns.sh

#!/usr/bin/env bash

echo Force delete namespace $1

kubectl get namespace $1 -o json |
    tr -d "\n" | sed "s/\"finalizers\": \[[^]]\+\]/\"finalizers\": []/" |
    kubectl replace --raw /api/v1/namespaces/$1/finalize -f -


echo Delete namespace $1 finish :)