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#! /bin/bash
set -e
# Copyright (C) 2022-2023 Pädagogisches Landesinstitut Rheinland-Pfalz
# Copyright (C) 2022-2023 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
#
# 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 2 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, write to the
# Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
#
# Abort installation if there are not enough network interfaces
# available in the host.
# this script is localizable
export TEXTDOMAIN="debian-edu-router-fai"
. gettext.sh
red=$(mktemp)
echo 'screen_color = (CYAN,RED,ON)' > $red
COUNT_NICS="$(ip link show | grep -E "^\w+:" | cut -d ":" -f2 | grep -v lo | sed -e 's/\s//g' | wc -w)"
if [ ${COUNT_NICS} -le 1 ]; then
DIALOGRC=${red} \
dialog --stdout \
--title " $(eval_gettext "Not enough Network Interfaces") " \
--backtitle " $(eval_gettext "Configure Base System") " \
--msgbox "\n$(eval_gettext "There are not enough network interfaces available on this system.")\n\n$(eval_gettext "Number of interfaces required:") 2\n$(eval_gettext "Number of interfaces found: ${COUNT_NICS}")\n" 12 45
reset
echo
echo "hooks/install.DEBIAN_EDU_ROUTER.sh: Not enough network cards. Cancelling installation..."
echo
exit 1
fi
set +e
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