一個Mysql備份腳本

#!/bin/bash
#ken.zhang
#This script is used to backup mysql databases on localhost
#set -x
umask 077
BackupPath=/NAS/resource/MysqlBackup
LogFile=$BackupPath/BackupLog.log
User=root
Password=ken.zhang
# Create directory for each day
mkdir $BackupPath/$(date +%Y%m%d)
# Backup each database into different file
echo "----$(date +%F\ %T)----" >> $LogFile
for i in $(/usr/bin/mysql -u$User -p$Password -e "show databases\G"|grep Database|grep -v 'test'|awk -F: '{print $2}')
do
    newBackup=$BackupPath/$(date +%Y%m%d)/$i.sql
    if [ -f $newBackup ]
    then
    echo "Target File $i exists,Backup $i terminated">>$LogFile
    continue
    else
#   echo $i
#   echo "-------Backup database $i In Process-------">>$LogFile
    /usr/bin/mysqldump -u$User -p$Password $i >$newBackup 2>>$LogFile
        if [ $? -eq 0 ];then
        echo "Backup $i is successful">>$LogFile
        else echo "Bakcup $i faied,check log file for details!">>$LogFile
        fi
    fi
done
echo "========================================">>$LogFile
cd $BackupPath
# zip up folders.
tar czvf $(date +%Y%m%d).tgz $(date +%Y%m%d) >& /dev/null
# delete folders which are 7 days old
find . -type d -mtime +7|awk -F'/' '{print $2}'|xargs rm -rf {} \;