分享一个自动编写MySQL数据库备份脚本，值得收藏-数据库技术-云服务器技术网

#!/bin/bash ################################# #copyrightbyhwb #DATE:2020-12-03 #用途：MYSQL备份模板 ################################# #定义 db_host=localhost db_port=3306 db_name=mysql_prod db_user=root db_pwd=password backup_path="/data/backup" #view,function,procedure,event,trigger output_type='view,function,procedure,event,trigger' today=`date+"%Y%m%d-%H%M%S"` data_file=$backup_path/$db_name$today.sql object_file="${backup_path}/obj_${db_name}$today.sql" log_file="/home/scripts/mysql_backup.log" mysql_cmd="mysql-u${db_user}-p${db_pwd}-h${db_host}-P${db_port}" mysqldump_cmd="mysqldump-u${db_user}-p${db_pwd}-h${db_host}-P${db_port}$db_name" #调用函数库 [-f/etc/init.d/functions]&&source/etc/init.d/functions exportPATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin source/etc/profile #Requireroottorunthisscript. [$(id-u)-gt0]&&echo"请用root用户执行此脚本！"&&exit1 [-d$backup_path]||mkdir-p$backup_path #[!-n"$5"]&&echo-e"\033[31mUsage:$0IP端口实例名用户名'密码'\033[0m"&&exit1 functionmysql_backup() { echo"" echo-e"\033[33m***********************************************mysql数据库备份****************************************************\033[0m" echo-e"\033[36m**************备份数据库数据到$data_file**************\033[0m" #ApartialdumpfromaserverthathasGTIDswillbydefaultincludetheGTIDsofalltransactions,eventhosethatchangedsuppressedpartsofthedatabase.Ifyoudon'twanttorestoreGTIDs,pass--set-gtid-purged=OFF.Tomakeacompletedump,pass--all-databases--triggers--routines--events $mysqldump_cmd--single_transaction-R-E--flush-logs--master-data=2--set-gtid-purged=OFF>$data_file if[$?-eq0];then action"[$today]>>>完成数据库${db_name}数据备份"/bin/true echo"[$today]>>>完成数据库${db_name}数据备份">>${log_file} else action"[$today]>>>数据库${db_name}备份失败，请检查相关配置！"/bin/false echo"[$today]>>>数据库${db_name}备份失败，请检查相关配置！">>${log_file} exit1 fi echo-e"\033[36m*******备份${db_name}函数、视图等定义到$object_file***********\033[0m" cat>$object_file<<EOF ouputobject‘sdefinitionfordatabase"$db_name" ouputtime:$(date"+%Y-%m-%d%H:%M:%S") ouputobjecttype:$output_type EOF echo"">>$object_file echo"">>$object_file #视图 if[[$output_type==*"view"*]] then echo"--------------------------------------------------------------">>$object_file echo"--views">>$object_file echo"--------------------------------------------------------------">>$object_file #让MySQL不输出列名可以用-N或者--skip-column-names参数 $mysql_cmd--skip-column-names\ -e"selectconcat('SHOWCREATEVIEW',table_schema,'.',table_name,';')frominformation_schema.viewswheretable_schema='$db_name'"|\ sed's/;/\\G/g'|$mysql_cmd$db_name|\ sed's/CreateView:/kk_begin\n/g'|sed's/[]*character_set_client:/;\nkk_end/g'|\ sed-n'/kk_begin/{:a;N;/kk_end/!ba;s/.*kk_begin\|kk_end.*//g;p}'>>$object_file fi #函数 if[[$output_type==*"function"*]] then echo"--------------------------------------------------------------">>$object_file echo"--function">>$object_file echo"--------------------------------------------------------------">>$object_file $mysql_cmd--skip-column-names\ -e"selectconcat('SHOWCREATEFUNCTION',routine_schema,'.',routine_name,';')frominformation_schema.routineswhereroutine_schema='$db_name'andROUTINE_TYPE='FUNCTION'"|\ sed's/;/\\G/g'|$mysql_cmd$db_name|\ sed's/CreateFunction:/kk_begin\ndelimiter$$\n/g'|sed's/[]*character_set_client:/$$\ndelimiter;\nkk_end/g'|\ sed-n'/kk_begin/{:a;N;/kk_end/!ba;s/.*kk_begin\|kk_end.*//g;p}'>>$object_file fi #存储过程 if[[$output_type==*"procedure"*]] then echo"--------------------------------------------------------------">>$object_file echo"--procedure">>$object_file echo"--------------------------------------------------------------">>$object_file $mysql_cmd--skip-column-names\ -e"selectconcat('SHOWCREATEPROCEDURE',routine_schema,'.',routine_name,';')frominformation_schema.routineswhereroutine_schema='$db_name'andROUTINE_TYPE='PROCEDURE'"|\ sed's/;/\\G/g'|$mysql_cmd$db_name|\ sed's/CreateProcedure:/kk_begin\ndelimiter$$\n/g'|sed's/[]*character_set_client:/$$\ndelimiter;\nkk_end/g'|\ sed-n'/kk_begin/{:a;N;/kk_end/!ba;s/.*kk_begin\|kk_end.*//g;p}'>>$object_file fi #事件 if[[$output_type==*"event"*]] then echo"--------------------------------------------------------------">>$object_file echo"--event">>$object_file echo"--------------------------------------------------------------">>$object_file $mysql_cmd--skip-column-names\ -e"selectconcat('SHOWCREATEEVENT',EVENT_SCHEMA,'.',EVENT_NAME,';')frominformation_schema.eventswhereEVENT_SCHEMA='$db_name'"|\ sed's/;/\\G/g'|$mysql_cmd|\ sed's/CreateEvent:/kk_begin\ndelimiter$$\n/g'|sed's/[]*character_set_client:/$$\ndelimiter;\nkk_end/g'|\ sed-n'/kk_begin/{:a;N;/kk_end/!ba;s/.*kk_begin\|kk_end.*//g;p}'>>$object_file fi #触发器 if[[$output_type==*"trigger"*]] then echo"--------------------------------------------------------------">>$object_file echo"--trigger">>$object_file echo"--------------------------------------------------------------">>$object_file $mysql_cmd--skip-column-names\ -e"selectconcat('SHOWCREATETRIGGER',TRIGGER_SCHEMA,'.',TRIGGER_NAME,';')frominformation_schema.triggerswhereTRIGGER_SCHEMA='$db_name';"|\ sed's/;/\\G/g'|$mysql_cmd$db_name|\ sed's/SQLOriginalStatement:/kk_begin\ndelimiter$$\n/g'|sed's/[]*character_set_client:/$$\ndelimiter;\nkk_end/g'|\ sed-n'/kk_begin/{:a;N;/kk_end/!ba;s/.*kk_begin\|kk_end.*//g;p}'>>$object_file fi #^M,youneedtotypeCTRL-VandthenCTRL-M sed-i"s/\^M//g"$object_file #清理过期备份 find${backup_path}-mtime+10-typef-name'*.sql'-execrm-f{}\; if[$?-eq0];then action"[$today]>>>完成数据库${db_name}过期备份清理"/bin/true echo"[$today]>>>完成数据库${db_name}过期备份清理">>${log_file} else action"[$today]>>>数据库${db_name}过期备份清理失败，请检查相关配置！"/bin/false echo"[$today]>>>数据库${db_name}过期备份清理失败，请检查相关配置！">>${log_file} exit1 fi echo-e"\033[33m**********************************************完成${db_name}数据库备份**********************************************\033[0m" cat>/tmp/mysql_backup.log<<EOF mysql地址：${db_host} mysql端口：${db_port} mysql实例名：${db_name} 数据备份文件：${data_file} 定义备份文件：${object_file} EOF cat/tmp/mysql_backup.log echo-e"\e[1;31m以上信息保存在/tmp/mysql_backup.log文件下\e[0m" echo-e"\033[33m*******************************************************************************************************************\033[0m" echo"" } mysql_backup

#!/bin/bash ################################################################### #copyrightbyhwb #DATE:2020-12-04 #用途：自动编写MySQL备份脚本 ################################################################### #脚本外变量 mysql_path="/home/scripts" script_name="mysql_backup.sh" mysql_date=`date+"%Y-%m-%d-%H:%M:%S"` #脚本内变量 db_host="localhost" db_port="53306" db_name="dbname" db_user="root" db_pwd="xxxx" backup_path="/data/backup" bk_backup_path=`echo$backup_path|sed's:\/:\\\/:g'` bk_db_pwd=`echo$db_pwd|sed's:\/:\\\/:g'` #调用函数库 [-f/etc/init.d/functions]&&source/etc/init.d/functions exportPATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin source/etc/profile #root用户执行脚本 [$(id-u)-gt0]&&echo"请用root用户执行此脚本！"&&exit1 #判断目录是否存在 [-d$mysql_path]||mkdir-p$mysql_path [-d$backup_path]||echo"mysql数据库备份目录[$backup_path]不存在，请确认参数是否正确！" [-d$backup_path]||exit1 functionbk_mysqlbackup(){ echo"" echo-e"\033[33m**************************自动配置mysql数据库备份脚本[$mysql_path/$script_name]**************************\033[0m" echo"" echo-e"\033[36mUsage:$0\033[0m" echo"" [-f$mysql_path/$script_name]&&echo"${mysql_path}已存在脚本[${script_name}],请检查相关配置！"&&exit1 wgethttps://app.fslgz.com/portal/api/public/fs/association/file/downLoad?uploadId=784001405093478400-O/opt/mysql_backup_template.sh mv/opt/mysql_backup_template.sh$mysql_path/$script_name #处理windows传linux的脚本格式问题(注意空格位置不能多不能少) vi+':w++ff=unix'+':q'${mysql_path}/${script_name} sed-i"s/localhost/${db_host}/g"$mysql_path/$script_name sed-i"s/3306/${db_port}/g"$mysql_path/$script_name sed-i"s/mysql_prod/${db_name}/g"$mysql_path/$script_name sed-i"s/root/${db_user}/g"$mysql_path/$script_name sed-i"s/password/${bk_db_pwd}/g"$mysql_path/$script_name sed-i"s#\/data\/backup#${bk_backup_path}#g"$mysql_path/$script_name action"完成mysql备份脚本[$mysql_path/$script_name]编写！"/bin/true chmodu+x$mysql_path/$script_name #配置定时任务 echo"3011***/bin/bash${mysql_path}/${script_name}">>/var/spool/cron/root if[$?-eq0];then echo"" action"[$mysql_date]>>>完成数据库备份定时任务配置"/bin/true else echo"" action"[$mysql_date]>>>定时任务配置失败，请检查相关配置！"/bin/false fi echo"" echo"|------------------------------------定时任务内容------------------------------------|" crontab-l echo"" echo"|---------------mysql备份脚本[$mysql_path/$script_name]内容如下---------------|" cat$mysql_path/$script_name echo-e"\033[33m************************************完成mysql数据库备份脚本配置*****************************************\033[0m" echo"" } bk_mysqlbackup

发表评论：取消回复