xref: /freebsd/share/examples/hast/ucarp.sh (revision f7c32ed617858bcd22f8d1b03199099d50125721)
1#!/bin/sh
2#
3# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4#
5# Copyright (c) 2010 The FreeBSD Foundation
6# All rights reserved.
7#
8# This software was developed by Pawel Jakub Dawidek under sponsorship from
9# the FreeBSD Foundation.
10#
11# Redistribution and use in source and binary forms, with or without
12# modification, are permitted provided that the following conditions
13# are met:
14# 1. Redistributions of source code must retain the above copyright
15#    notice, this list of conditions and the following disclaimer.
16# 2. Redistributions in binary form must reproduce the above copyright
17#    notice, this list of conditions and the following disclaimer in the
18#    documentation and/or other materials provided with the distribution.
19#
20# THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
21# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
24# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30# SUCH DAMAGE.
31#
32# $FreeBSD$
33
34# Shared IP address, unused for now.
35addr="10.99.0.3"
36# Password for UCARP communication.
37pass="password"
38# First node IP and interface for UCARP communication.
39nodea_srcip="10.99.0.1"
40nodea_ifnet="bge0"
41# Second node IP and interface for UCARP communication.
42nodeb_srcip="10.99.0.2"
43nodeb_ifnet="em3"
44
45export PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin
46
47vhid="1"
48upscript="/root/hast/sbin/hastd/vip-up.sh"
49downscript="/root/hast/sbin/hastd/vip-down.sh"
50
51ifconfig "${nodea_ifnet}" 2>/dev/null | grep -q "inet ${nodea_srcip} "
52if [ $? -eq 0 ]; then
53	srcip="${nodea_srcip}"
54	ifnet="${nodea_ifnet}"
55	node="node A"
56fi
57ifconfig "${nodeb_ifnet}" 2>/dev/null | grep -q "inet ${nodeb_srcip} "
58if [ $? -eq 0 ]; then
59	if [ -n "${srcip}" -o -n "${ifnet}" ]; then
60		echo "Unable to determine which node is this (both match)." >/dev/stderr
61		exit 1
62	fi
63	srcip="${nodeb_srcip}"
64	ifnet="${nodeb_ifnet}"
65	node="node B"
66fi
67if [ -z "${srcip}" -o -z "${ifnet}" ]; then
68	echo "Unable to determine which node is this (none match)." >/dev/stderr
69	exit 1
70fi
71ucarp -i ${ifnet} -s ${srcip} -v ${vhid} -a ${addr} -p ${pass} -u "${upscript}" -d "${downscript}"
72