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Filename : suse-set_gateway.sh
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#!/bin/bash
# Copyright (c) 2015-2017, Parallels International GmbH
# Copyright (c) 2017-2019 Virtuozzo International GmbH. All rights reserved.
#
# This script configure gateway inside SuSE like VM.
#
# Parameters: <dev> <IP>
#   <dev>         - name of device. (example: eth2)
#   <IP>          - IP address of gateway
#  

prog="$0"
path="${prog%/*}"
funcs="$path/functions"

if [ -f "$funcs" ] ; then
	. $funcs
else
	echo "Program $0"
	echo "'$funcs' was not found"
	exit 1
fi


ETH_DEV=$1
ETH_GATEWAY=$2

IFCFG_DIR=/etc/sysconfig/network/
IFCFG=${IFCFG_DIR}/routes

function set_gateway()
{
	[ -f ${IFCFG} ] || \
		touch ${IFCFG}

	del_param2 ${IFCFG} "default"

	for gw in ${ETH_GATEWAY}; do
		if [ "${gw}" != "remove" -a "${gw}" != "removev6" ] ; then
			echo "${gw} - - ${ETH_DEV}" >> ${IFCFG}
			echo "default ${gw} - -" >> ${IFCFG}
		fi
	done
	
	is_device_up ${ETH_DEV} && /sbin/ifdown ${ETH_DEV}

	/sbin/ifup ${ETH_DEV}
}

set_gateway

exit 0
# end of script