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- #!/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
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