/etc/vz/dists/scripts/etcnet-del_ip.sh is in vzctl 4.9.4-5.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | #!/bin/sh
# Copyright (C) 2006-2007 Dmitry V. Levin <ldv@altlinux.org>
#
# 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.
#
#
# Deletes IP address(es) from a container running a etcnet-based system.
VENET_DEV=venet0
IFACE_DIR=/etc/net/ifaces
# Function to quote argument for sed regexp.
quote_sed_regexp()
{
local out="$*"
if [ -z "${out##*[\[\].^\$\\/]*}" ]; then
out="$(printf %s "$out" |sed 's/[].^$[\/]/\\&/g')" ||
return 1
fi
printf %s "$out"
}
destroy_venet_config()
{
local dir="$1"; shift
rm -rf "$dir" ||
error "Cannot destroy $dir" ${VZ_FS_NO_DISK_SPACE}
}
# Function to delete IP addresses for etcnet-based systems.
del_ip()
{
set -- ${IP_ADDR}
if [ "$IPDELALL" = 'yes' ]; then
ifdown "$VENET_DEV"
destroy_venet_config "$VENET_DEV"
if [ -d /etc/hooks/del_ip.d ] &&
type run-parts >/dev/null 2>&1; then
run-parts /etc/hooks/del_ip.d all
fi
return 0
fi
local ipm quoted
for ipm; do
ip_conv $ipm
quoted="$(quote_sed_regexp "$_IP/$_MASK")"
if [ -n "$_IPV6ADDR" ]; then
sed -i -e "/^$quoted/d" "$VENET_DEV/ipv6address"
if [ ! -s "$VENET_DEV/ipv6address" ]; then
rm -f -- "$VENET_DEV/ipv6address"
rm -f -- "$VENET_DEV/ipv6route"
sed -i -e "/^CONFIG_IPV6/d" "$VENET_DEV/options"
fi
else
sed -i -e "/^$quoted/d" "$VENET_DEV/ipv4address"
fi
ip addr del dev "$VENET_DEV" "$_IP/$_MASK"
done
if [ $# -gt 0 -a -d /etc/hooks/del_ip.d ] &&
type run-parts >/dev/null 2>&1; then
run-parts /etc/hooks/del_ip.d "$@"
fi
}
[ -d "$IFACE_DIR" ] &&
cd "$IFACE_DIR" &&
del_ip
exit 0
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