带自动清理功能的MySQL备份到FTP的Shell脚本

#!/bin/bash
MyUSER="db_username" # 数据库用户名，建议使用root账户或者拥有全局权限的用户名
MyPASS="db_password" # 数据库密码
MyHOST="localhost" # 数据库服务器
# Linux bin paths, change this if it can't be autodetected via which command
MYSQL="$(which mysql)"
MYSQLDUMP="$(which mysqldump)"
CHOWN="$(which chown)"
CHMOD="$(which chmod)"
GZIP="$(which gzip)"
# 数据库备份的路径
DEST="/home/backup"
# Main directory where backup will be stored
MBD="$DEST/mysql"
# Get hostname
HOST="$(hostname)"
# Get data in dd-mm-yyyy format
NOW="$(date +%d-%m-%Y)"
OLD="$(date -d last-month +%d-%m-%Y)"
# File to store current backup file
FILE=""
# Store list of databases
DBS=""
# DO NOT BACKUP these databases
IGGY="test"
rm -rf $MBD
[ ! -d $MBD ] && mkdir -p $MBD || :
# Only root can access it!
$CHOWN 0.0 -R $DEST
$CHMOD 0600 $DEST
# Get all database list first
DBS="$($MYSQL -u $MyUSER -h $MyHOST -p$MyPASS -Bse 'show databases')"
cat > ftpcc.sh < ftpcc.sh
 # do all inone job in pipe,
 # connect to mysql using mysqldump for select mysql database
 # and pipe it out to gz file in backup dir :)
 $MYSQLDUMP -u $MyUSER -h $MyHOST -p$MyPASS $db | $GZIP -9 > $FILE
 fi
done
cat >> ftpcc.sh <