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/share/examples/hast/ucarp.sh

https://bitbucket.org/freebsd/freebsd-head/
Shell | 69 lines | 31 code | 4 blank | 34 comment | 4 complexity | 87fa0f7605ffde29622f203f31d47ab2 MD5 | raw file
 1#!/bin/sh
 2#
 3# Copyright (c) 2010 The FreeBSD Foundation
 4# All rights reserved.
 5#
 6# This software was developed by Pawel Jakub Dawidek under sponsorship from
 7# the FreeBSD Foundation.
 8#
 9# Redistribution and use in source and binary forms, with or without
10# modification, are permitted provided that the following conditions
11# are met:
12# 1. Redistributions of source code must retain the above copyright
13#    notice, this list of conditions and the following disclaimer.
14# 2. Redistributions in binary form must reproduce the above copyright
15#    notice, this list of conditions and the following disclaimer in the
16#    documentation and/or other materials provided with the distribution.
17#
18# THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
19# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
22# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28# SUCH DAMAGE.
29#
30# $FreeBSD$
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}"