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#!/bin/bash
# Copyright (C) 2008-2011, Parallels, Inc. All rights reserved.
#
# Update ARP table for all containers on interface up
[ ! -f /proc/vz/veip ] && exit 0
usage()
{
echo "Usage: $(basename $0) DEVICE" 1>&2
exit 1
}
# Supplied interface name
DEV=$1
[ -z "${DEV}" ] && usage
test -f @PKGLIBDIR@/scripts/vps-functions || exit 1
test -f @PKGCONFDIR@/vz.conf || exit 1
. @PKGLIBDIR@/scripts/vps-functions
. @PKGCONFDIR@/vz.conf
update_arp()
{
local veip
for veip in $(awk '!/^Version/ { print $1 }' /proc/vz/veip); do
[ "$NEIGHBOUR_DEVS" = 'detect' ] && vzdelrouting "${veip}"
vzarp add ${veip}
[ "$NEIGHBOUR_DEVS" = 'detect' ] && vzaddrouting "${veip}"
done
}
# Get possible interface names
vzgetnetdev
[ -z "${NETDEVICES}" ] && exit 0
# Check if a device name given is in the list returned by vzgetnetdev
# Indeed we do not want to add arp entries for e.g. 'lo'
echo "${NETDEVICES}" | grep -qw "${DEV}" || exit 0
NETDEVICES="${DEV}"
update_arp
exit 0
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