delete-stack

#!/usr/bin/env bash

set -e

script_dir=$(cd "$(dirname "$0")" ; pwd -P)

delete-stack() {
  project_name="${1}"
  module_name="${2}"
  aws_region="${3}"

  pushd "${script_dir}" > /dev/null
    stack_name="${project_name}-${module_name}-co2-tmp-s3-bucket"
    if [[ $(aws cloudformation describe-stacks --stack-name "${stack_name}" --region "${aws_region}") ]]; then
      echo "Emptying bucket s3://${project_name}-${module_name}..."
      aws s3 rm "s3://${project_name}-${module_name}" --recursive
      echo "Stack (${stack_name}) exists. Deleting..."
      aws cloudformation delete-stack --stack-name "${stack_name}" \
        --stack-name "${stack_name}" \
        --region "${aws_region}"
    else
      echo "Stack (${stack_name}) does not exist. Nothing to do here!"
    fi

    until $(aws cloudformation describe-stacks --stack-name "${stack_name}" --region "${aws_region}" 2>&1 | grep -q "${stack_name} does not exist")
    do
      echo "Deleting..."
      sleep 10
    done

  popd > /dev/null

}

usage() { echo "Usage: $0 [-p <project name: string>] [-m <module name: string>] [-r <aws region: string>]" 1>&2; exit 1; }

while getopts ":p:m:r:" o; do
    case "${o}" in
        p)
            project=${OPTARG}
            ;;
        m)
            module=${OPTARG}
            ;;
        r)
            region=${OPTARG}
            ;;
        *)
            usage
            ;;
    esac
done
shift $((OPTIND-1))

if [ -z "${project}" ] || [ -z "${module}" ] || [ -z "${region}" ]; then
    usage
fi

delete-stack "${project}" "${module}" "${region}"