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#!/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

echo "Resetting in-memory data for all zones..."

if systemctl status knot | grep -qs 'Active: active'
then
	START="true"
	sudo service knot stop
else
	START="false"
fi

sudo rm -rf /var/lib/knot/journal/*.mdb
sudo rm -rf /var/lib/knot/timers/*.mdb

if [ -e /var/lib/knot/zones/.git ]
then
	sudo chown -R root:root /var/lib/knot/zones/

	cd /var/lib/knot/zones
	sudo git clean -dxf
	sudo git checkout -f

	sudo chown -R knot:knot /var/lib/knot/zones/
fi

case "${START}" in
	true)
		sudo service knot start
		;;
esac

echo
echo "done."