MySQL完全备份脚本：数据+二进制日志+备份日志

 1 #!/bin/bash
 2 #
 3 # Function：实现mysql完全备份
 4 # Notes：
 5 
 6 # 定义备份使用到的相关变量（需要根据用户实际环境做相应的修改）
 7 backup_data=/backup/mysql/full
 8 backup_binlog=/backup/mysql/logbin
 9 mysql_binlog=/mydata/log-bin
10 mysql_bin_path=`ps -ef | grep -E "mysqld[[:space:]]+" | awk -F ‘ ‘ ‘{ print $8 }‘ | sed -r ‘s@[^/]+/?$@@‘`
11 mysql_user=root
12 mysql_password=mysqldba
13 logfile=/var/log/mysqldump.log
14 
15 # 函数定义
16 
17 ########################[MySQL健康检测]######################
18 health_check() {
19 if pgrep mysqld &> /dev/null;then
20     mysqld_pid=`pgrep -l mysqld | grep -E "mysqld\>" | awk ‘{ print $1 }‘`
21     echo "$(date +"%Y-%m-%d %H:%M:%S") $mysqld_pid [Note] Server Mysql is Running ..." >> $logfile
22 else
23     service mysqld start &> /dev/null || echo "$(date +"%Y-%m-%d %H:%M:%S") [Warning] Server MySQL is not running, backup failed" >> $logfile && return 5
24 fi
25 }
26 
27 #######################[mysqldump完全备份]###################
28 full_backup(){
29 local backup_name=full-`date +%F-%T`.sql
30 [ ! -d $backup_data ] && mkdir -p $backup_data
31 ${mysql_bin_path}mysqldump -u$mysql_user -p$mysql_password --all-databases --lock-all-tables  --flush-logs --master-data=2 32 --triggers --routines --events --set-gtid-purged=off -r ${backup_data}/$backup_name &> /dev/null
33 if grep -q "CHANGE MASTER TO" ${backup_data}/$backup_name ;then
34     return 0
35 else
36     return 5
37 fi
38 }
39 
40 ########################[Mysql 二进制日志备份]#####################
41 bin_backup(){
42 [ ! -d $backup_binlog ] && mkdir -p $backup_binlog
43 cd $mysql_binlog
44 tar -jcf bin-`date +"%F-%H‘%M‘%S"`.tar.bz2 * &> /dev/null
45 \mv -f bin*.tar.bz2 $backup_binlog
46 }
47 
48 # 主函数main
49 
50 health_check
51 if [ $? -eq 0 ];then
52     echo "$(date +"%Y-%m-%d %H:%M:%S") [Note] MySQL full backup start ..." >> $logfile
53 else
54     echo "$(date +"%Y-%m-%d %H:%M:%S") [Warning] Server MySQL is not running, backup failed" | mail -s "mysql backup is failed" root@`hostname`
55 fi
56 full_backup
57 if [ $? -eq 0 ];then
58     echo "$(date +"%Y-%m-%d %H:%M:%S") [Note] MySQL full backup is finished" >> $logfile
59     chmod -R 600 $backup_data
60 else
61     echo "$(date +"%Y-%m-%d %H:%M:%S") [Warning] Function full_backup() execution failed, backup was interrupted" | cat | tee -a $logfile | mail -s "mysql backup is failed" root@`hostname`
62 fi 
63 echo "$(date +"%Y-%m-%d %H:%M:%S") [Note] MySQL binary log file backup is started ..." >> $logfile
64 bin_backup
65 if [ $? -eq 0 ];then
66     echo "$(date +"%Y-%m-%d %H:%M:%S") [Note] MySQL binary log file backup is finished " >> $logfile
67     chmod -R 600 $backup_binlog
68 else
69     echo "$(date +"%Y-%m-%d %H:%M:%S") [Warning] Mysql binary log file backup is not completed" | cat | tee -a $logfile | mail -s "mysql binary log backup failed" root@`hostname`
70 fi