#!/bin/sh

# Open Infrastructure: service-tools

# Copyright (C) 2014-2023 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

NUMBER="$(systemctl | grep -c 'kresd@[0-9].service')"

for NUMBER in $(seq 1 "${NUMBER}")
do
	echo "Flushing localhost, resolver ${NUMBER}"
	echo "cache.clear()" | sudo socat - UNIX-CONNECT:/run/knot-resolver/control/"${NUMBER}"
done