#!/usr/bin/env bash

source .utils

set -e
WEBHOOK_TYPE="mutating"

print_usage() {
  blue "kube-reenable-webhook - Re-enable a previously disabled webhook"
  echo " "
  underline "Usage:"
  echo "kube-reenable-webhook [options] NAME"
  echo " "
  underline "Options:"
  echo "-h, --help            show this help text"
  echo "-t, --type            the type of webhook [mutating (default), validating]"
}

while test $# -gt 0; do
  case "$1" in
    -t|--type)
      shift
      WEBHOOK_TYPE=$1
      shift
      ;;
    -h|--help)
      print_usage
      exit 0
      ;;
    *)
      break
      ;;
  esac
done

NAME=${1}

FAKE_SELECTOR='"namespaceSelector":{"matchExpressions":[{"key":"disabled","operator":"In","values":["webhook"]}]}'

if [[ "${WEBHOOK_TYPE}" == "mutating" ]]; then
  printf "🔌 Re-enabling mutating webhook ${NAME}..."
  kubectl get mutatingwebhookconfigurations.admissionregistration.k8s.io ${NAME} -o custom-columns="prev:.metadata.annotations.previous-state" --no-headers | kubectl apply -f -
  printf " ✅  Done"
elif [[ "${WEBHOOK_TYPE}" == "validating" ]]; then
  printf "🔌 Re-enabling validating webhook ${NAME}..."
  kubectl get validatingwebhookconfigurations.admissionregistration.k8s.io ${NAME} -o custom-columns="prev:.metadata.annotations.previous-state" --no-headers | kubectl apply -f -
  printf " ✅  Done"
else
  echo "Unknown webhook type"
  exit 1
fi