#!/bin/bash -e log-helper level eq trace && set -x # This tool helps to generate tls certificates with cfssl # or get certificates from a json file PREFIX=$1 CERT_FILE=$2 KEY_FILE=$3 CA_FILE=$4 log-helper debug "Hi! I'm ssl-helper, what button should i press ?" # set env vars PREFIX=${PREFIX^^} # uppercase PREFIX_SSL_HELPER_TOOL=${PREFIX}_SSL_HELPER_TOOL PREFIX_SSL_HELPER_AUTO_RENEW=${PREFIX}_SSL_HELPER_AUTO_RENEW PREFIX_SSL_HELPER_AUTO_RENEW_CRON_EXP=${PREFIX}_SSL_HELPER_AUTO_RENEW_CRON_EXP PREFIX_SSL_HELPER_AUTO_RENEW_SERVICES_IMPACTED=${PREFIX}_SSL_HELPER_AUTO_RENEW_SERVICES_IMPACTED PREFIX_SSL_HELPER_AUTO_RENEW_FROM_FILES=${PREFIX}_SSL_HELPER_AUTO_RENEW_FROM_FILES PREFIX_SSL_HELPER_AUTO_RENEW_CERT_FROM_FILE=${PREFIX}_SSL_HELPER_AUTO_RENEW_CERT_FROM_FILE PREFIX_SSL_HELPER_AUTO_RENEW_KEY_FROM_FILE=${PREFIX}_SSL_HELPER_AUTO_RENEW_KEY_FROM_FILE PREFIX_SSL_HELPER_AUTO_RENEW_CA_CERT_FROM_FILE=${PREFIX}_SSL_HELPER_AUTO_RENEW_CA_CERT_FROM_FILE SSL_HELPER_TOOL=${!PREFIX_SSL_HELPER_TOOL:-$SSL_HELPER_TOOL} SSL_HELPER_AUTO_RENEW=${!PREFIX_SSL_HELPER_AUTO_RENEW:-$SSL_HELPER_AUTO_RENEW} SSL_HELPER_AUTO_RENEW_CRON_EXP=${!PREFIX_SSL_HELPER_AUTO_RENEW_CRON_EXP:-$SSL_HELPER_AUTO_RENEW_CRON_EXP} SSL_HELPER_AUTO_RENEW_SERVICES_IMPACTED=${!PREFIX_SSL_HELPER_AUTO_RENEW_SERVICES_IMPACTED:-$SSL_HELPER_AUTO_RENEW_SERVICES_IMPACTED} SSL_HELPER_AUTO_RENEW_FROM_FILES=${!PREFIX_SSL_HELPER_AUTO_RENEW_FROM_FILES:-$SSL_HELPER_AUTO_RENEW_FROM_FILES} SSL_HELPER_AUTO_RENEW_CERT_FROM_FILE=${!PREFIX_SSL_HELPER_AUTO_RENEW_CERT_FROM_FILE:-$SSL_HELPER_AUTO_RENEW_CERT_FROM_FILE} SSL_HELPER_AUTO_RENEW_KEY_FROM_FILE=${!PREFIX_SSL_HELPER_AUTO_RENEW_KEY_FROM_FILE:-$SSL_HELPER_AUTO_RENEW_KEY_FROM_FILE} SSL_HELPER_AUTO_RENEW_CA_CERT_FROM_FILE=${!PREFIX_SSL_HELPER_AUTO_RENEW_CA_CERT_FROM_FILE:-$SSL_HELPER_AUTO_RENEW_CA_CERT_FROM_FILE} source "${CONTAINER_SERVICE_DIR}/:ssl-tools/assets/default-env" # call the certificate tool cfssl-helper (default) or jsonssl-helper ${SSL_HELPER_TOOL,,} "${PREFIX}" "${CERT_FILE}" "${KEY_FILE}" "${CA_FILE}" # auto-renew certificates just before it expired # or if source files have changed if [ "${SSL_HELPER_AUTO_RENEW,,}" = "true" ]; then # only for multiple process images (uses cron) if [ ! -e "/container/multiple_process_stack_added" ]; then log-helper error "auto-renew is available only with multiple process images" exit 1 fi # if SSL_HELPER_AUTO_RENEW_FROM_FILES=true check certificate source files if [ "${SSL_HELPER_AUTO_RENEW_FROM_FILES,,}" = "true" ]; then [[ -z "${SSL_HELPER_AUTO_RENEW_CERT_FROM_FILE}" ]] && SSL_HELPER_AUTO_RENEW_CERT_FROM_FILE=${CERT_FILE} [[ -z "${SSL_HELPER_AUTO_RENEW_KEY_FROM_FILE}" ]] && SSL_HELPER_AUTO_RENEW_KEY_FROM_FILE=${KEY_FILE} [[ -z "${SSL_HELPER_AUTO_RENEW_CA_CERT_FROM_FILE}" ]] && SSL_HELPER_AUTO_RENEW_CA_CERT_FROM_FILE=${CA_FILE} if [ ! -e "${SSL_HELPER_AUTO_RENEW_CERT_FROM_FILE}" ] || [ ! -e "${SSL_HELPER_AUTO_RENEW_KEY_FROM_FILE}" ] || [ ! -e "${SSL_HELPER_AUTO_RENEW_CA_CERT_FROM_FILE}" ]; then log-helper error "with SSL_HELPER_AUTO_RENEW_FROM_FILES=true the following files must exists:" log-helper error "SSL_HELPER_AUTO_RENEW_CERT_FROM_FILE=${SSL_HELPER_AUTO_RENEW_CERT_FROM_FILE}" log-helper error "SSL_HELPER_AUTO_RENEW_KEY_FROM_FILE=${SSL_HELPER_AUTO_RENEW_KEY_FROM_FILE}" log-helper error "SSL_HELPER_AUTO_RENEW_CA_CERT_FROM_FILE=${SSL_HELPER_AUTO_RENEW_CA_CERT_FROM_FILE}" exit 1 fi mkdir -p "${CONTAINER_SERVICE_DIR}/:ssl-tools/assets/md5$(dirname "${CERT_FILE}")" mkdir -p "${CONTAINER_SERVICE_DIR}/:ssl-tools/assets/md5$(dirname "${KEY_FILE}")" mkdir -p "${CONTAINER_SERVICE_DIR}/:ssl-tools/assets/md5$(dirname "${CA_FILE}")" # calculate certificates files md5 md5sum "${CERT_FILE}" | awk '{ print $1 }' > "${CONTAINER_SERVICE_DIR}/:ssl-tools/assets/md5${CERT_FILE}.md5" md5sum "${KEY_FILE}" | awk '{ print $1 }' > "${CONTAINER_SERVICE_DIR}/:ssl-tools/assets/md5${KEY_FILE}.md5" md5sum "${CA_FILE}" | awk '{ print $1 }' > "${CONTAINER_SERVICE_DIR}/:ssl-tools/assets/md5${CA_FILE}.md5" fi if [ "${SSL_HELPER_TOOL,,}" = "jsonssl-helper" ]; then PREFIX_JSONSSL_FILE=${PREFIX}_JSONSSL_FILE JSONSSL_FILE=${!PREFIX_JSONSSL_FILE:-$JSONSSL_FILE} source "${CONTAINER_SERVICE_DIR}/:ssl-tools/assets/jsonssl-default-env" if [ -z "${JSONSSL_FILE}" ]; then JSONSSL_FILE=${JSONSSL_FILE_DEFAULT} fi # calculate jsonssl file md5 mkdir -p "${CONTAINER_SERVICE_DIR}/:ssl-tools/assets/md5$(dirname "${JSONSSL_FILE}")" md5sum "${JSONSSL_FILE}" | awk '{ print $1 }' > "${CONTAINER_SERVICE_DIR}/:ssl-tools/assets/md5${JSONSSL_FILE}.md5" fi # add cron job echo "${SSL_HELPER_AUTO_RENEW_CRON_EXP} root /usr/sbin/ssl-auto-renew ${SSL_HELPER_TOOL,,} ${PREFIX} ${CERT_FILE} ${KEY_FILE} ${CA_FILE} \"${SSL_HELPER_AUTO_RENEW_SERVICES_IMPACTED}\" \"${JSONSSL_FILE}\" \"${SSL_HELPER_AUTO_RENEW_FROM_FILES}\" \"${SSL_HELPER_AUTO_RENEW_CERT_FROM_FILE}\" \"${SSL_HELPER_AUTO_RENEW_KEY_FROM_FILE}\" \"${SSL_HELPER_AUTO_RENEW_CA_CERT_FROM_FILE}\" 2>&1 | /usr/bin/logger -t cron_ssl_auto_renew" > "/etc/cron.d/${PREFIX}" chmod 600 "/etc/cron.d/${PREFIX}" # disable auto-renew if it was added elif [ -e "/etc/cron.d/${PREFIX}" ]; then rm -f "/etc/cron.d/${PREFIX}" fi