forked from TrueCloudLab/certificates
81 lines
2.5 KiB
Bash
81 lines
2.5 KiB
Bash
#!/bin/bash
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set -eo pipefail
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# Paraphrased from:
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# https://github.com/influxdata/influxdata-docker/blob/0d341f18067c4652dfa8df7dcb24d69bf707363d/influxdb/2.0/entrypoint.sh
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# (a repo with no LICENSE.md)
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export STEPPATH=$(step path)
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# List of env vars required for step ca init
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declare -ra REQUIRED_INIT_VARS=(DOCKER_STEPCA_INIT_NAME DOCKER_STEPCA_INIT_DNS_NAMES)
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# Ensure all env vars required to run step ca init are set.
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function init_if_possible () {
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local missing_vars=0
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for var in "${REQUIRED_INIT_VARS[@]}"; do
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if [ -z "${!var}" ]; then
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missing_vars=1
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fi
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done
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if [ ${missing_vars} = 1 ]; then
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>&2 echo "there is no ca.json config file; please run step ca init, or provide config parameters via DOCKER_STEPCA_INIT_ vars"
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else
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step_ca_init "${@}"
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fi
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}
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function generate_password () {
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set +o pipefail
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< /dev/urandom tr -dc A-Za-z0-9 | head -c40
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echo
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set -o pipefail
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}
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# Initialize a CA if not already initialized
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function step_ca_init () {
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local -a setup_args=(
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--name "${DOCKER_STEPCA_INIT_NAME}"
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--dns "${DOCKER_STEPCA_INIT_DNS_NAMES}"
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--provisioner "${DOCKER_STEPCA_INIT_PROVISIONER_NAME:-admin}"
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--password-file "${STEPPATH}/password"
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--provisioner-password-file "${STEPPATH}/provisioner_password"
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--address ":9000"
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)
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if [ -n "${DOCKER_STEPCA_INIT_PASSWORD}" ]; then
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echo "${DOCKER_STEPCA_INIT_PASSWORD}" > "${STEPPATH}/password"
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echo "${DOCKER_STEPCA_INIT_PASSWORD}" > "${STEPPATH}/provisioner_password"
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else
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generate_password > "${STEPPATH}/password"
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generate_password > "${STEPPATH}/provisioner_password"
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fi
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if [ -n "${DOCKER_STEPCA_INIT_SSH}" ]; then
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setup_args=("${setup_args[@]}" --ssh)
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fi
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if [ -n "${DOCKER_STEPCA_INIT_ACME}" ]; then
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setup_args=("${setup_args[@]}" --acme)
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fi
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if [ -n "${DOCKER_STEPCA_INIT_REMOTE_MANAGEMENT}" ]; then
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setup_args=("${setup_args[@]}" --remote-management)
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fi
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step ca init "${setup_args[@]}"
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mv $STEPPATH/password $PWDPATH
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mv $STEPPATH/provisioner_password $PROVISIONER_PWDPATH
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}
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if [ -f /usr/sbin/pcscd ]; then
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/usr/sbin/pcscd
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fi
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if [ ! -f "${STEPPATH}/config/ca.json" ]; then
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init_if_possible
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fi
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if [ -f "${PWDPATH}" ] && [ ! -f "${PROVISIONER_PWDPATH}" ]; then
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# For backward compatibility,
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# if the --provisioner-password-file doesn't exist,
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# use the same password as the CA.
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cp ${PWDPATH} ${PROVISIONER_PWDPATH}
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fi
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exec "${@}"
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