cloudstack/scripts/network/domr/call_loadbalancer.sh

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#!/usr/bin/env bash
#
# Copyright (C) 2010 Cloud.com, Inc. All rights reserved.
#
# This software is licensed under the GNU General Public License v3 or later.
#
# It 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 3 of the License, or 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, see <http://www.gnu.org/licenses/>.
#
# $Id: call_loadbalancer.sh 9132 2010-06-04 20:17:43Z manuel $ $HeadURL: svn://svn.lab.vmops.com/repos/branches/2.0.0/java/scripts/vm/hypervisor/xenserver/patch/call_loadbalancer.sh $
# loadbalancer.sh -- reconfigure loadbalancer rules
#
#
usage() {
printf "Usage: %s: -i <domR eth1 ip> -a <added public ip address> -d <removed> -f <load balancer config> -s <stats guest ip >\n" $(basename $0) >&2
}
set -x
# check if gateway domain is up and running
check_gw() {
ping -c 1 -n -q $1 > /dev/null
if [ $? -gt 0 ]
then
sleep 1
ping -c 1 -n -q $1 > /dev/null
fi
return $?;
}
# copy the new haproxy.cfg to DomR
copy_haproxy() {
local domRIp=$1
local cfg=$2
scp -P 3922 -q -o StrictHostKeyChecking=no -i $cert $cfg root@$domRIp:/etc/haproxy/haproxy.cfg.new
return $?
}
iflag=
aflag=
dflag=
fflag=
sflag=
while getopts 'i:a:d:f:s:' OPTION
do
case $OPTION in
i) iflag=1
domRIp="$OPTARG"
;;
a) aflag=1
addedIps="$OPTARG"
;;
d) dflag=1
removedIps="$OPTARG"
;;
f) fflag=1
cfgfile="$OPTARG"
;;
s) sflag=1
statsIps="$OPTARG"
;;
?) usage
exit 2
;;
esac
done
cert="/root/.ssh/id_rsa.cloud"
if [ "$iflag$fflag" != "11" ]
then
usage
exit 2
fi
# Check if DomR is up and running. If it isn't, exit 1.
check_gw "$domRIp"
if [ $? -gt 0 ]
then
exit 1
fi
copy_haproxy $domRIp $cfgfile
if [ $? -gt 0 ]
then
printf "Reconfiguring loadbalancer failed\n"
exit 1
fi
ssh -p 3922 -q -o StrictHostKeyChecking=no -i $cert root@$domRIp "/root/loadbalancer.sh $*"
exit $?