xref: /freebsd/share/examples/hast/ucarp.sh (revision 0fca6ea1d4eea4c934cfff25ac9ee8ad6fe95583)
1#!/bin/sh
2#
3# SPDX-License-Identifier: BSD-2-Clause
4#
5# Copyright (c) 2010 The FreeBSD Foundation
6#
7# This software was developed by Pawel Jakub Dawidek under sponsorship from
8# the FreeBSD Foundation.
9#
10# Redistribution and use in source and binary forms, with or without
11# modification, are permitted provided that the following conditions
12# are met:
13# 1. Redistributions of source code must retain the above copyright
14#    notice, this list of conditions and the following disclaimer.
15# 2. Redistributions in binary form must reproduce the above copyright
16#    notice, this list of conditions and the following disclaimer in the
17#    documentation and/or other materials provided with the distribution.
18#
19# THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
20# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
23# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29# SUCH DAMAGE.
30#
31
32# Shared IP address, unused for now.
33addr="10.99.0.3"
34# Password for UCARP communication.
35pass="password"
36# First node IP and interface for UCARP communication.
37nodea_srcip="10.99.0.1"
38nodea_ifnet="bge0"
39# Second node IP and interface for UCARP communication.
40nodeb_srcip="10.99.0.2"
41nodeb_ifnet="em3"
42
43export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin
44
45vhid="1"
46upscript="/root/hast/sbin/hastd/vip-up.sh"
47downscript="/root/hast/sbin/hastd/vip-down.sh"
48
49ifconfig "${nodea_ifnet}" 2>/dev/null | grep -q "inet ${nodea_srcip} "
50if [ $? -eq 0 ]; then
51	srcip="${nodea_srcip}"
52	ifnet="${nodea_ifnet}"
53	node="node A"
54fi
55ifconfig "${nodeb_ifnet}" 2>/dev/null | grep -q "inet ${nodeb_srcip} "
56if [ $? -eq 0 ]; then
57	if [ -n "${srcip}" -o -n "${ifnet}" ]; then
58		echo "Unable to determine which node is this (both match)." >/dev/stderr
59		exit 1
60	fi
61	srcip="${nodeb_srcip}"
62	ifnet="${nodeb_ifnet}"
63	node="node B"
64fi
65if [ -z "${srcip}" -o -z "${ifnet}" ]; then
66	echo "Unable to determine which node is this (none match)." >/dev/stderr
67	exit 1
68fi
69ucarp -i ${ifnet} -s ${srcip} -v ${vhid} -a ${addr} -p ${pass} -u "${upscript}" -d "${downscript}"
70