mysql全量备份脚本

#!/bin/sh
###############################
# 此脚本用来全量备份
# 此文件名：mysqlfullbackup.sh
#
# Author: zhanrox
# mail: hienha@163.com
# create: 2013/06/29
#
# 每个星期日早上3点做一次全量备份(加 & 为后台执行)
# 0 3 * * * root /backup/mysql/full_backup/mysqlfullbackup.sh &
###############################

#设置用户名和密码
mysql_user="root"
mysql_password=""

#mysql安装全路径
mysql_dir=/usr/local/mysql/bin

#备份数据库(多数据库，用逗号隔开)
mysql_databases="quanfan"

#设置备份路径，创建备份文件夹
[ -d /backup/mysql ] || mkdir /backup/mysql
backup_dir=/backup/mysql
full_backup_dir=$backup_dir/full_backup

#备份的时间
today=$(date +%Y%m%d_%H%M%S)

#备份日志文件
log_file=full_backup.log

#只保留最近10个星期的备份（其他删除）
time=$(date "-d 70 day ago" +%Y-%m-%d %H:%M:%S)

#开始备份,记录备份开始时间 并压缩备份文件
echo -e '['$(date +"%Y-%m-%d %H:%M:%S")'] - '$mysql_databases' - '"备份开始\n" >> $backup_dir/$log_file

#判断目标目录是否已经存在
if [! -d $full_backup_dir] then
    mkdir -p $full_backup_dir
fi

echo -e '['$(date +"%Y-%m-%d %H:%M:%S")'] - '$mysql_databases' - '"备份并压缩备份文件\n" >> $backup_dir/$log_file

#备份INNODB 使用下面代码 并压缩备份文件
#$mysql_dir/mysqldump -u$mysql_user -p$mysql_password --apply-slave-statements --hex-blob --routines --single-transaction --databases $mysql_databases | gzip > $full_backup_dir/$today.sql.gz

${mysql_dir}/bin/mysqldump -uroot -p${mysql_password} --add-drop-database --all-databases --all-tablespaces --routines --lock-all-tables | gzip > ${backup_dir}/${today}.sql.gz
[ $? -eq 0 ] && echo -e '['$(date +"%Y-%m-%d %H:%M:%S")'] - 'All DB' - '"备份并压缩备份文件 OK!!!\n" >> $backup_dir/$log_file

#备份MyISAM 使用下面代码
#$mysql_dir/mysqldump -u$mysql_user -p$mysql_password --apply-slave-statements --hex-blob --routines --lock-all-tables --databases $mysql_databases | gzip > $full_backup_dir/$today.sql.gz



#找出70天前备份的文件，然后删除
echo -e '['$(date +"%Y-%m-%d %H:%M:%S")'] - '$mysql_databases' - '"删除10星期前的备份\n" >> $backup_dir/$log_file
for file in `find -not -type d -mtime +70`
do
    rm -rf $file
done

#基于ssh key认证，mysqldump的远程mysql备份方案
#相关文章 http://liuxufei.com/weblog/weifenlei/868.html
copytoremote=1
remoteuser=
remoteip=
if [ $copytoremote = 1 ]; then
    if [ -z $remoteuser ];then
        echo -e "remote user not set,Copy to remote Failed ...\n" >> $log_file
        exit 1
    elif [ -z $remoteip ];then
        echo -e "remote ip not set,Copy to remote Failed ...\n" >> $log_file
        exit 2
    else
        echo -e '['$(date +"%Y-%m-%d %H:%M:%S")'] - '$mysql_databases' - '"开始使用SSH备份数据文件到远程服务器\n" >> $backup_dir/$log_file
        scp $today".sql.gz" remoteuser@remoteip:~/
    fi
fi

#设置ftp上传备份文件到别的服务器备份，只有 copytoftp=1 时才进行 ftp 备份
copytoftp=1
ftp_server=
ftp_user=
ftp_passwd=

if [ $copytoftp = 1 ]; then
    if [ -z $ftp_server ];then
        echo -e "Ftp Server not set,Copy to Ftp Failed ...\n" >> $log_file
        exit 1
    elif [ -z $ftp_user ];then
        echo -e "Ftp user not set, Copy to Ftp Failed ...\n" >> $log_file
        exit 2
    elif [ -z $ftp_passwd ]; then
        echo -e "Ftp password not set, Copy to Ftp Failed ...\n" >> $log_file
        exit 3
    else
        echo -e '['$(date +"%Y-%m-%d %H:%M:%S")'] - '$mysql_databases' - '"开始使用 FTP 备份数据文件到远程服务器\n" >> $backup_dir/$log_file
        ftp -i -n <<end_ftp
        open $ftp_server
        user $ftp_user $ftp_passwd
        lcd $full_backup_dir
        hash
        prompt
        put $today.sql.gz
        close
        bye
        end_ftp
    fi
fi
echo -e '['$(date +"%Y-%m-%d %H:%M:%S")'] - '$mysql_databases' - '"备份完成\n" >> $backup_dir/$log_file

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