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

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#!/bin/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/>.
#
# Usage
# save_password -v <user VM IP> -p <password>
#
source /root/func.sh
lock="biglock"
locked=$(getLockFile $lock)
if [ "$locked" != "1" ]
then
exit 1
fi
PASSWD_FILE=/var/cache/cloud/passwords
while getopts 'v:p:' OPTION
do
case $OPTION in
v) VM_IP="$OPTARG"
;;
p)
ENCODEDPASSWORD="$OPTARG"
PASSWORD=$(echo $ENCODEDPASSWORD | tr '[a-m][n-z][A-M][N-Z]' '[n-z][a-m][N-Z][A-M]')
;;
?) echo "Incorrect usage"
unlock_exit 1 $lock $locked
;;
esac
done
[ -f $PASSWD_FILE ] || touch $PASSWD_FILE
sed -i /$VM_IP/d $PASSWD_FILE
echo "$VM_IP=$PASSWORD" >> $PASSWD_FILE
unlock_exit $? $lock $locked