repo-cfn-bootstrap

#!/usr/bin/env bash
set -euo pipefail

YP_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." >/dev/null && pwd)"
source ${YP_DIR}/sh/common.inc.sh

#- repo-cfn-bootstrap 1.0
## Usage: repo-cfn-boostrap [OPTION] -- CFN_DIR
## Bootstrap a git repo with a cfn configuration.
##
##   -s, --stack-stem  A stack stem e.g. infra, ci, env-web, env-api, etc.
##                     If env-* is given, then STACK_NAME will be set to $(ENV_NAME)-*
##                     in the <stack-stem>.inc.mk file
##
##   CFN_DIR           The folder to cfn-bootstrap. Defaults to "cfn" in the root of the repo
##
##   -h, --help     Display this help and exit
##   -v, --version  Output version information and exit

STACK_STEM=

if { getopt --test >/dev/null 2>&1 && false; } || [[ "$?" = "4" ]] || false; then
    ARGS=$(getopt -o hv -l help,version,stack-stem: -n $(basename ${BASH_SOURCE[0]}) -- "$@") || sh_script_usage
    eval set -- "${ARGS}"
fi

while [[ $# -gt 0 ]]; do
    case "$1" in
        -s|--stack-stem)
            STACK_STEM=$2
            shift 2
            ;;
        -h|--help)
            sh_script_usage
            ;;
        -v|--version)
            sh_script_version
            ;;
        --)
            shift
            break
            ;;
        -*)
            sh_script_usage
            ;;
        *)
            break
            ;;
    esac
done
# [[ $# -eq 0 ]] || sh_script_usage

(
    cd ${YP_DIR}/..
    git rev-parse --show-toplevel >/dev/null || {
        echo_err "yplatform is not in a git repo"
        exit 1
    }
)

CFN_DIR=${1:-$(git rev-parse --show-toplevel)/cfn}
YP_DIR_REL="$(${YP_DIR}/bin/relpath "${YP_DIR}" "$(pwd)")"
ARTIFACTS=

mkdir -p ${CFN_DIR}

# NOTE duplicate code on purpose

ARTIFACT=${CFN_DIR}/.gitignore
[[ -e ${ARTIFACT} ]] || {
    cp ${YP_DIR_REL}/aws-cfn.mk/tpl.gitignore ${ARTIFACT}
    ARTIFACTS="${ARTIFACTS}\\n${ARTIFACT}"
    echo_info "Created ${ARTIFACT}."
}

ARTIFACT=${CFN_DIR}/Makefile
[[ -e ${ARTIFACT} ]] || {
    cp ${YP_DIR_REL}/aws-cfn.mk/tpl.Makefile ${ARTIFACT}
    sed -i "s|<YP_DIR_REL>|${YP_DIR_REL}|g" ${ARTIFACT}
    ARTIFACTS="${ARTIFACTS}\\n${ARTIFACT}"
    echo_info "Created ${ARTIFACT}."
    echo_info "Make sure to edit ${ARTIFACT} in order to supply the required info."
}

[[ -n ${STACK_STEM} ]] || {
    echo_info "No stack stem given. Stopping here."
    echo -e "${ARTIFACTS}" | sort -u
    exit 0
}

ARTIFACT=${CFN_DIR}/${STACK_STEM}/index.js
[[ -e ${ARTIFACT} ]] || {
    mkdir -p $(dirname ${ARTIFACT})
    cp ${YP_DIR_REL}/aws-cfn.mk/tpl.stack-stem/index.js ${ARTIFACT}
    ARTIFACTS="${ARTIFACTS}\\n${ARTIFACT}"
    echo_info "Created ${ARTIFACT}."
}

ARTIFACT=${CFN_DIR}/${STACK_STEM}.inc.mk
[[ -e ${ARTIFACT} ]] || {
    cp ${YP_DIR_REL}/aws-cfn.mk/tpl.stack-stem.inc.mk ${ARTIFACT}
    sed -i "s|<STACK_STEM>|${STACK_STEM}|g" ${ARTIFACT}
    ARTIFACTS="${ARTIFACTS}\\n${ARTIFACT}"
    echo_info "Created ${ARTIFACT}."
    echo_info "Make sure to edit ${ARTIFACT} in order to supply the required info."
}

ARTIFACT=${CFN_DIR}/${STACK_STEM}
[[ -e ${ARTIFACT} ]] || {
    mkdir ${ARTIFACT}
    ARTIFACTS="${ARTIFACTS}\\n${ARTIFACT}"
    echo_info "Created ${ARTIFACT} folder."
    echo_info "Make sure to edit ${ARTIFACT} in order to supply the required info."
}

echo -e "${ARTIFACTS}" | sort -u