Sheng Yang abc44ac283 bug 11266: Add lock file for every script in the systemVM
To prevent them from racy.

status 11266: resolved fixed
2011-09-09 18:27:33 -07:00

145 lines
3.0 KiB
Bash

#!/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/>.
#
# netusage.sh -- create iptable rules to gather network stats, running within DomR
#
source /root/func.sh
lock="biglock"
locked=$(getLockFile $lock)
if [ "$locked" != "1" ]
then
exit 1
fi
usage() {
printf "Usage: %s -[c|g|r] [-[a|d] <public interface>]\n" $(basename $0) >&2
}
create_usage_rules () {
iptables -N NETWORK_STATS > /dev/null
iptables -I FORWARD -j NETWORK_STATS > /dev/null
iptables -I INPUT -j NETWORK_STATS > /dev/null
iptables -I OUTPUT -j NETWORK_STATS > /dev/null
iptables -A NETWORK_STATS -i eth0 -o eth2 > /dev/null
iptables -A NETWORK_STATS -i eth2 -o eth0 > /dev/null
iptables -A NETWORK_STATS -o eth2 ! -i eth0 -p tcp > /dev/null
iptables -A NETWORK_STATS -i eth2 ! -o eth0 -p tcp > /dev/null
return $?
}
add_public_interface () {
local pubIf=$1
iptables -A NETWORK_STATS -i eth0 -o $pubIf > /dev/null
iptables -A NETWORK_STATS -i $pubIf -o eth0 > /dev/null
iptables -A NETWORK_STATS -o $pubIf ! -i eth0 -p tcp > /dev/null
iptables -A NETWORK_STATS -i $pubIf ! -o eth0 -p tcp > /dev/null
return $?
}
delete_public_interface () {
local pubIf=$1
echo $pubIf >> /root/removedVifs
return $?
}
get_usage () {
iptables -L NETWORK_STATS -n -v -x | awk '$1 ~ /^[0-9]+$/ { printf "%s:", $2}'; /root/clearUsageRules.sh > /dev/null
if [ $? -gt 0 -a $? -ne 2 ]
then
printf $?
return 1
fi
}
reset_usage () {
iptables -Z NETWORK_STATS > /dev/null
if [ $? -gt 0 -a $? -ne 2 ]
then
return 1
fi
}
#set -x
cflag=
gflag=
rflag=
iflag=
aflag=
dflag=
while getopts 'cgra:d:' OPTION
do
case $OPTION in
c) cflag=1
;;
g) gflag=1
;;
r) rflag=1
;;
a) aflag=1
publicIf="$OPTARG"
;;
d) dflag=1
publicIf="$OPTARG"
;;
?) usage
unlock_exit 2 $lock $locked
;;
esac
done
if [ "$cflag" == "1" ]
then
create_usage_rules
unlock_exit $? $lock $locked
fi
if [ "$gflag" == "1" ]
then
get_usage
unlock_exit $? $lock $locked
fi
if [ "$rflag" == "1" ]
then
reset_usage
unlock_exit $? $lock $locked
fi
if [ "$aflag" == "1" ]
then
add_public_interface $publicIf
unlock_exit $? $lock $locked
fi
if [ "$dflag" == "1" ]
then
delete_public_interface $publicIf
unlock_exit $? $lock $locked
fi
unlock_exit 0 $lock $locked