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Fixes Docker entrypoint script for smallstep/cli#537

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This commit is contained in:
Carl Tashian 2021-09-08 11:43:13 -07:00
parent efac0926df
commit 324df87265
1 changed files with 15 additions and 22 deletions
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35
docker/entrypoint.sh
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@ -7,24 +7,6 @@ set -eo pipefail
export STEPPATH=$(step path)
# List of env vars required for step ca init
declare -ra REQUIRED_INIT_VARS=(DOCKER_STEPCA_INIT_NAME DOCKER_STEPCA_INIT_DNS_NAMES)
# Ensure all env vars required to run step ca init are set.
function init_if_possible () {
local missing_vars=0
for var in "${REQUIRED_INIT_VARS[@]}"; do
if [ -z "${!var}" ]; then
missing_vars=1
fi
done
if [ ${missing_vars} = 1 ]; then
>&2 echo "there is no ca.json config file; please run step ca init, or provide config parameters via DOCKER_STEPCA_INIT_ vars"
else
step_ca_init "${@}"
fi
}
function generate_password () {
set +o pipefail
< /dev/urandom tr -dc A-Za-z0-9 | head -c40
@ -35,8 +17,7 @@ function generate_password () {
# Initialize a CA if not already initialized
function step_ca_init () {
local -a setup_args=(
--name "${DOCKER_STEPCA_INIT_NAME}"
--dns "${DOCKER_STEPCA_INIT_DNS_NAMES}"
--name "${DOCKER_STEPCA_INIT_NAME:-Smallstep}"
--provisioner "${DOCKER_STEPCA_INIT_PROVISIONER_NAME:-admin}"
--password-file "${STEPPATH}/password"
--address ":9000"
@ -46,15 +27,27 @@ function step_ca_init () {
else
generate_password > "${STEPPATH}/password"
fi
if [ -n "${DOCKER_STEPCA_INIT_SSH}" ]; then
setup_args=("${setup_args[@]}" --ssh)
fi
if [ -n "${DOCKER_STEPCA_INIT_DNS_NAMES}" ]; then
setup_args=("$[setup_args[@]}" --dns "localhost" --dns "127.0.0.1" --dns "[::1]")
fi
IFS=',' read -r -a dns_names <<< "${DOCKER_STEPCA_INIT_DNS_NAMES}"
for dns_name in "${dns_names[@]}"
do
setup_args=("${setup_args[@]}" --dns "$dns_name")
done
step ca init "${setup_args[@]}"
mv $STEPPATH/password $PWDPATH
}
if [ ! -f "${STEPPATH}/config/ca.json" ]; then
init_if_possible
>&2 echo "There is no ca.json config file; running 'step ca init'."
step_ca_init "${@}"
fi
exec "${@}"