etc/dists/scripts/arch-del_ip.sh

#!/bin/bash
#  Copyright (C) 2006-2007  SYSTS.ORG All rights reserved.
#
#  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
#
# This script deletes IP alias(es) inside VE  used dist. Archlinux.
#
# For usage info see ve-alias_del(5) man page.
#
# Parameters are passed in environment variables.
# Required parameters:
#   IP_ADDR       - IPs to delete, several addresses should be divided by space
# Optional parameters:
#   VE_STATE      - state of VE; could be one of:
#                     starting | stopping | running | stopped
VENET_DEV=venet0
CFGFILE=/etc/rc.conf

function del_ip()
{
	local ifname
	local ip
	
	echo ${IP_ADDR}
	for ip in ${IP_ADDR}; do
		ifname=`grep -B 1 -e "\\<${ip}\\>" ${CFGFILE} | \
			    grep "${VENET_DEV}_" | cut -d'=' -f1`
		if [ -n "${ifname}" ]; then
		    # shutdown interface venet0_x
		    /etc/rc.d/network ifdown ${ifname} 2> /dev/null

		    # remove venet0_x from cfg
		    del_param "${CFGFILE}" "${ifname}"
			
		    # del venet0_x from INTERFACES array
		    del_param3 "${CFGFILE}" "INTERFACES" "${ifname}"
		fi
	done
}

del_ip

exit 0