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

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

09	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

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

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

21

22

23

else

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

25

fi

26

27	if [ -f $new_file ]; then

28	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!" [e-mail] < $log_file