SHELL

delete namespace stuck in terminating

# inline version

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

namespace stuck in terminating

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