#!/bin/sh

# Open Infrastructure: service-tools

# Copyright (C) 2014-2022 Daniel Baumann <daniel.baumann@open-infrastructure.net>
#
# SPDX-License-Identifier: GPL-3.0+
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

set -e

Run_apache2 ()
{
	if grep -Eqrs '^ *SSLCertificateFile' /etc/apache2/sites-enabled
	then
		service apache2 reload
	fi
}

Run_chrony ()
{
	if grep -Eqrs '^ *ntsservercert' /etc/chrony/chrony.conf /etc/chrony/conf.d/*
	then
		service chrony restart
	fi
}

Run_haproxy ()
{
	if grep 'ssl crt' /etc/haproxy/haproxy.cfg | grep -qsv '^#'
	then
		service haproxy reload
	fi
}

Run_knot_resolver ()
{
	if grep -Eqrs '^ *net.tls' /etc/knot-resolver/*
	then
		INSTANCES="$(systemctl | grep -c 'kresd@*.service')"

		if [ "${INSTANCES}" -gt 0 ]
		then
			for INSTANCE in $(seq 1 "${INSTANCES}")
			do
				service kresd@"${INSTANCE}" restart
			done
		fi
	fi
}

Run_postfix ()
{
	if grep -Eqrs '^ *smtpd_tls' /etc/postfix/main.cf
	then
		service postfix restart
	fi
}

Run_postgresql ()
{
	if grep -Eqrs '^ *ssl_cert_file' /etc/postgresql/*
	then
		service postgresql reload
	fi
}

Run_redis_sentinel ()
{
	if grep -Eqrs '^ *tls-cert-file' /etc/redis/sentinel.conf
	then
		service redis-sentinel restart
	fi
}

Run_redis_server ()
{
	if grep -Eqrs '^ *tls-cert-file' /etc/redis/redis.conf
	then
		service redis-server restart
	fi
}

echo " + Reloading services:"

SERVICES="apache2 chrony haproxy knot-resolver postfix postgresql redis-sentinel redis-server"

for SERVICE in ${SERVICES}
do
	if service "${SERVICE}" status > /dev/null 2>&1
	then
		echo -n "   + ${SERVICE}:"

		RELOAD="Run_$(echo "${SERVICE}" | sed -e 's|-|_|g')"
		${RELOAD}

		echo " done."
	fi
done