linux下自动备份MySQL数据并上传到FTP上的shell脚本

#!/bin/bash 
#Mysql autobackup shell 
# 
# 
#----------------set the mysql login parameters 
dbuser=root 
dbpasswd= 
dbserver=localhost 
dbname=fwserver2008 
dbopt=--opt 
backupdir=/dbbackup/ 
#-----------------set the FTP paramters , 0 no send to a ftp server,1 send to a ftp server 
copytoftp=1 
ftpserver=172.16.25.2 
ftpuser=linux 
ftppasswd=123456 
#----------------set the backpfile paramters 
fileprefix=fwserver 
dumpfilename=$backupdir$fileprefix`date +%F_%H%M%S`.sql 
newfile=$fileprefix-`date +%F_%H%M%S`.tar.gz 
keepdays=10 
#------------------write the operater command to log file 
logfile=/var/log/_mysqlbackup.log 
logtmp=/var/log/_mybackup.tmp 

#=============================================== 
if [ ! -d $backupdir ] 
then 
echo "$backupdir is not exist, then make ..." >> $logfile 
mkdir -p $backupdir 
fi 
echo "start====================================>">>$logfile 
echo "Beginning backup `date +%F %T`" >>$logfile 
echo "Delete $keepdays days ago files ..." >>$logfile 
find $backupdir -name $fileprefix* -mtime +$keepdays -fls $logtmp -exec rm {} ; 
echo "Deleted Backup file is :">>$logfile 
cat $logtmp >>$logfile 
echo "Delete old file Success!" >>$logfile 
if [ -f $backupdir$newfile ] 
then 
echo "$newfile backup exist, backup stop ..." >>$logfile 
else 
if [ -z $dbpasswd ] 
then 
mysqldump -u$dbuser -h$dbserver $dbopt $dbname >$dumpfilename 
else 
mysqldump -u$dbuser -p$dbpasswd -h$dbserver $dbopt $dbname >$dumpfilename 
fi 
tar czvf $backupdir$newfile $dumpfilename >>$logfile 2>&1 
echo "$backupdir$newfile Backup Success!" >>$logfile 
rm -fr $dumpfilename 
if [ $copytoftp = 1 ]; then 
if [ -z $ftpserver ];then 
echo "Ftp Server not set,Copy to Ftp Failed ..." >>$logfile 
exit 1 
elif [ -z $ftpuser ];then 
echo "Ftp user not set, Copy to Ftp Failed ..." >>$logfile 
exit 2 
elif [ -z $ftppasswd ]; then 
echo "Ftp password not set, Copy to Ftp Failed ..." >>$logfile 
exit 3 
else 
echo "Start copy to Ftp server ...." >> $logfile 
ftp -i -n <<end_ftp 
open $ftpserver 
user $ftpuser $ftppasswd 
lcd $backupdir 
hash 
prompt 
put $newfile 
close 
bye 
end_ftp 
fi 
fi 
echo "End=======================================">>$logfile 
fi 
# the end of the auto backup script