#!/bin/sh

# SPDX-FileCopyrightText: 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# SPDX-License-Identifier: MIT-0 License

set -e

# first arg is `-f` or `--some-option`
if [ "${1#-}" != "$1" ]; then
	set -- haproxy "$@"
fi

if [ "$1" = 'haproxy' ]; then
	shift # "haproxy"
	# if the user wants "haproxy", let's add a couple useful flags
	#   -W  -- "master-worker mode" (similar to the old "haproxy-systemd-wrapper"; allows for reload via "SIGUSR2")
	#   -db -- disables background mode
	set -- haproxy -W -db "$@"
fi

# Copy all environment vars to /root/envs.sh so we can us them in our cron job
env | sed 's/^\(.*\)$/export \1/g' > /root/envs.sh
chmod +x /root/envs.sh

# Generate the HAProxy config using the template.
/bin/bash /generate-haproxy.sh

# Restart cron
service cron restart

# Start HAProxy
exec "$@"