Istio Cleanup Script

cleanupIstio.sh

#!/bin/bash

# Script to cleanup leftovers after invoking `helm del --purge istio`

protos=( all cm secrets sa clusterrolebinding clusterrole crd )
for proto in "${protos[@]}"; do
  for resource in $(kubectl get $proto -n istio-system | grep istio | awk 'NR>1{print $1}'); do
    kubectl delete $proto $resource -n istio-system
  done
done