cloudstack/scripts/network/domr/call_loadbalancer.sh

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#!/usr/bin/env bash
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# $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_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_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 $?