mysql数据库备份脚本
#!/bin/bash
# 作者:龙力勤
# 出自懒人运维:http://www.lazysa.com
# 用途:mysql数据库备份脚本。
# 表述:该脚本可以将数据库备份到/backup目录，以便你随时恢复备份。
# 同时该脚本可以指定你要备份的数据库。
# 更多关于此脚本的讨论，请参考:
# http://www.lazysa.com/2009/08/758.html
# 最新更新:2009-08
MyUSER=”SET-MYSQL-USER-NAME” # USERNAME
MyPASS=”SET-PASSWORD” # PASSWORD
MyHOST=”localhost” # Hostname
# 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=”$(which gzip)”
# Backup Dest directory, change this if you have someother location
DEST=”/backup”
# Main directory where backup will be stored
MBD=”$DEST/mysql”
# Get hostname
HOST=”$(hostname)”
# Get data in dd-mm-yyyy format
NOW=”$(date +”%d-%m-%Y”)”
# File to store current backup file
FILE=”"
# Store list of databases
DBS=”"
# DO NOT BACKUP these databases
IGGY=”test”
[ ! -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’)”
for db in $DBS
do
skipdb=-1
if [ "$IGGY" != "" ];
then
for i in $IGGY
do
[ "$db" == "$i" ] && skipdb=1 || :
done
fi
if [ "$skipdb" == "-1" ] ; then
FILE=”$MBD/$db.$HOST.$NOW.gz”
# 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
