mysql自动备份shell脚本

 
    01 
    #!/bin/bash

 
    02 
    bak_path=/data/bak_path

 
    03 
    mysql_bk_dir=$bak_path/mysql_bk_dir

 
    04 
    log_file=$backup_path/backuplog

 
    05 
    password=123456

 
    06 
     for i in $(mysql -p$password -e "show databases\G" |grep Database | awk '{print $2}')

 
    07 
    do

 
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         new_file="$mysql_bk_dir"/$i$(date +%Y%m%d).tar.gz

 
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         dump_file="$mysql_bk_dir"/$i$(date +%Y%m%d).sql

 
    10 
         old_file="$mysql_bk_dir"/$i$(date +%Y$m%d).tar.gz

11

 
    12 
         echo "------------------------------------------------------------" >> $log_file

13

 
    14 
         echo $(date +"%Y-%m-%d %H:%M:%S") >> $log_file

15

 
    16 
         echo "------------------------------------------------------------" >>  $log_file

17

 
    18 
         if [ -f $old_file ]; then

 
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             rm -rf $old_file >> $log_file 2>&1;

 
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             echo "[$old_file] Delete Old File Success!" >> $log_file

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22

 
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         else

 
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             echo "[$old_file] No Old Backup File!" >> $log_file

 
    25 
         fi

26

 
    27 
         if [ -f $new_file ]; then

 
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             echo "[$new_file] The backup file is exist, can't backup!" >> $log_file;

 
    29 
         else

 
    30 
             cd $mysql_bk_dir

31

 
    32 
     /usr/local/mysql/bin/mysqldump --opt $i -p$password > $dump_file

33

 
    34 
             tar zcf $new_file $dump_file >> $log_file 2>&1

35

 
    36 
             echo "[$new_file] Backup success!" >> $log_file

 
    37 
             rm -rf $dump_file

 
    38 
         fi

39

 
    40 
         sleep 15

 
    41 
    done

42

 
    43 
     mail -s "mysql backup is success!" [email protected] < $log_file