delete-stack

#!/usr/bin/env bash

set -e

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

delete-ssm-parameter() {
    project_name="${1}"
    module_name="${2}"
    aws_region="${3}"
    for i in project_name module_name aws_region; do
      if [ -z "!{i}" ]; then
        echo "${i} not set. Usage <func: create-update-ssm-parameter> PROJECT_NAME MODULE_NAME AWS_REGION"
        exit 1
      fi
    done

    parameter="/${project_name}/${module_name}/github-runner-reg-token"
    if [[ $(aws ssm get-parameter --name "${parameter}" --region "${aws_region}") ]]; then
      echo "Parameter (${parameter}) exists. Deleting..."
      aws ssm delete-parameter \
        --name "${parameter}" \
        --region "${aws_region}"
    else
      echo "Parameter (${parameter}) exists. Nothing to do here!"
    fi
}

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

  pushd "${script_dir}" > /dev/null
    stack_name="${project_name}-${module_name}-github-runner-stack"
    if [[ $(aws cloudformation describe-stacks --stack-name "${stack_name}" --region "${aws_region}") ]]; then
      echo "Stack (${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 "${region}" ]; then
    usage
fi
delete-ssm-parameter "${project}" "${module}" "${region}"
delete-stack "${project}" "${module}" "${region}"