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#!/bin/sh
# Open Infrastructure: service-tools
# Copyright (C) 2014-2021 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
HOSTS="${*}"
if [ -z "${HOSTS}" ]
then
echo "Usage: ${0} localhost|[HOST1 HOST2 ...]" >&2
exit 1
fi
for HOST in ${HOSTS}
do
case "${HOST}" in
localhost)
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
;;
*)
NUMBER="$(ssh "${HOST}" sudo systemctl | grep -c 'kresd@[0-9].service')"
for NUMBER in $(seq 1 "${NUMBER}")
do
echo "Flushing ${HOST}, resolver ${NUMBER}"
echo "cache.clear()" | ssh "${HOST}" sudo socat - UNIX-CONNECT:/run/knot-resolver/control/"${NUMBER}"
done
;;
esac
done
echo
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