1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
#!/bin/bash
#cript:mysqlbackup.sh
#Version:Release 2.0
#author:www.dba-china.com
#date:2011-10-27
#以下配置信息请自己修改
mysql_user=
"root"
#MySQL备份用户
mysql_password=
"password"
#MySQL备份用户的密码
mysql_host=
"127.0.0.1"
#要备份的主机,一般为localhost
mysql_port=
"3306"
#MySQL端口号,一般为3306
backup_db_arr=(
"cms"
"ad"
)
#要备份的数据库名称,多个用空格分开隔开 如("db1" "db2" "db3")
backup_location=
'/home/lhb/backup_mysql_data'
#备份数据存放位置,末尾请不要带"/",此项可以保持默认,程序会自动创建文件夹
expire_backup_delete=
"ON"
#是否开启过期备份删除 ON为开启 OFF为关闭
expire_days=40
#过期时间天数 默认为三天,此项只有在expire_backup_delete开启时有效
#以下配置请保持默认不要修改
backup_time=`
date
+%Y%m%d%H%M`
#定义备份详细时间
backup_Ymd=`
date
+%Y%m%d`
#定义备份目录中的年月日时间
backup_3ago=`
date
-d
'3 days ago'
+%Y%m%d`
#3天之前的日期
backup_dir=$backup_location/$backup_Ymd
#备份文件夹全路径
welcome_msg=
"Welcome to use MySQL backup tools!"
#欢迎语
#判断MYSQL是否启动,mysql没有启动则备份退出
mysql_ps=`
ps
-ef |
grep
mysql |
wc
-l`
mysql_listen=`
netstat
-an |
grep
LISTEN |
grep
$mysql_port|
wc
-l`
if
[ [$mysql_ps == 0] -o [$mysql_listen == 0] ];
then
echo
"ERROR:MySQL is not running! backup stop!"
exit
else
echo
$welcome_msg
fi
#连接到mysql数据库,无法连接则备份退出
mysql -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password <<end
use mysql;
select
host,user from user where user=
'root'
and host=
'localhost'
;
exit
end
flag=`
echo
$?`
if
[ $flag !=
"0"
];
then
echo
"ERROR:Can't connect mysql server! backup stop!"
exit
else
echo
"MySQL connect ok! Please wait......"
#判断有没有定义备份的数据库,如果定义则开始备份,否则退出备份
if
[
"$backup_db_arr"
!=
""
];
then
#dbnames=$(cut -d ',' -f1-5 $backup_database)
#echo "arr is (${backup_db_arr[@]})"
for
dbname
in
${backup_db_arr[@]}
do
echo
"database $dbname backup start..."
`
mkdir
-p $backup_dir`
`mysqldump -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password $dbname > $backup_dir/$dbname$backup_time.sql`
flag=`
echo
$?`
if
[ $flag ==
"0"
];
then
echo
"database $dbname success backup to $backup_dir/$dbname$backup_time.sql"
else
echo
"database $dbname backup fail!"
fi
done
else
echo
"ERROR:No database to backup! backup stop"
exit
fi
#如果开启了删除过期备份,则进行删除操作
if
[
"$expire_backup_delete"
==
"ON"
-a
"$backup_location"
!=
""
];
then
`
find
$backup_location/ -
type
d -o -
type
f -ctime +$expire_days -
exec
rm
-rf {} \;`
`
find
$backup_location/ -
type
d -empty -
exec
rm
-rf {} \;`
echo
"Expired backup data delete complete!"
fi
echo
"All database backup success! Think you!"
exit
fi
|
本文转自birdinroom 51CTO博客,原文链接:http://blog.51cto.com/birdinroom/1402108,如需转载请自行联系原作者