create-stack

#!/usr/bin/env bash

set -e

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

create-update() {
  pushd "${script_dir}" > /dev/null
    project_name="${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> PROJECT_NAME MODULE_NAME AWS_REGION"
        exit 1
      fi
    done

    create-update-stack "${project_name}" "${module_name}" "${aws_region}"
  popd > /dev/null
}

create-update-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 ${aws_region}) ]]; then
      echo "Stack (${stack_name}) does not exist. Creating..."
      aws cloudformation create-stack --stack-name "${project_name}-${module_name}-co2-tmp-s3-bucket" \
        --template-body file://./template.yaml \
        --capabilities CAPABILITY_NAMED_IAM \
        --region ${aws_region} \
        --parameters ParameterKey=ProjectName,ParameterValue=${project_name} ParameterKey=ModuleName,ParameterValue=${module_name}
    fi
  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

create-update ${project} ${module} ${region}
echo "View your Cloudformation Stack at https://${region}.console.aws.amazon.com/cloudformation/home?region=${region}#/stacks"