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#!/bin/bash
# Copyright (C) 2009 Google Inc.
#
# 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 Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
# This is an example script that configures you /etc/network/interfaces after
# installation. By default its sets up the system to use dhcp. To use it just
# put it in your CUSTOMIZE_DIR and make it executable.
if [ -z "$TARGET" -o ! -d "$TARGET" ]; then
echo "Missing target directory"
exit 1
fi
if [ ! -d "$TARGET/etc/network" ]; then
echo "Missing target network directory"
exit 1
fi
if [ -z "$NIC_COUNT" ]; then
echo "Missing NIC COUNT"
exit 1
fi
if [ "$NIC_COUNT" -gt 0 ]; then
cat > $TARGET/etc/network/interfaces <<EOF
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
auto lo
iface lo inet loopback
auto eth0
EOF
if [ -n "$NIC_0_IP" ]; then
if [ -z "$NIC_0_NETWORK_SUBNET" ] ; then
echo "Missing NETWORK SUBNET from gnt-network"
exit 1
fi
# we do not fail if no gateway was specified; we just avoid
# emitting a # 'gateway' line into /etc/network/interfaces
cat >> $TARGET/etc/network/interfaces <<EOF
iface eth0 inet static
address $NIC_0_IP
netmask ${NIC_0_NETWORK_SUBNET##*/}
$( [ ! -z "${NIC_0_NETWORK_GATEWAY}" ] && echo "gateway ${NIC_0_NETWORK_GATEWAY}")
EOF
else
cat >> $TARGET/etc/network/interfaces <<EOF
iface eth0 inet dhcp
EOF
fi
fi
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