#!/usr/bin/env bash

set -e

NAMESPACE="$(kubectl config view --minify --output 'jsonpath={..namespace}')"
POD="shell"
IMAGE="bash"
CMD="sh"

print_usage() {
  echo "kube-shell - create a new pod and exec into it's shell"
  echo " "
  echo "kube-shell [options]"
  echo " "
  echo "Options:"
  echo "-h, --help            show this help text"
  echo "-n, --namespace       the namespace the pod should launch in"
  echo "-p, --pod             the name of the pod to get logs for (default: shell)"
  echo "-i, --image           the image to use for the shell container (default: bash)"
  echo "-c, --command         the initial command to execute in the container (default: sh)"
}

while test $# -gt 0; do
  case "$1" in
    -n|--namespace)
      shift
      NAMESPACE=$1
      shift
      ;;
    -p|--pod)
      shift
      POD=$1
      shift
      ;;
    -i|--image)
      shift
      IMAGE=$1
      shift
      ;;
    -c|--command)
      shift
      CMD=$1
      shift
      ;;
    -h|--help)
      print_usage
      exit 0
      ;;
    *)
      break
      ;;
  esac
done


echo kubectl run -it --namespace $NAMESPACE $POD --image $IMAGE --restart Never --rm -- $CMD
kubectl run -it --namespace $NAMESPACE $POD --image $IMAGE --restart Never --rm -- $CMD