my.cnf [mysqldump] user=xxxx password=xxxx #!/bin/bash# 以下配置信息請自己修改 mysql_container="" # MySQL容器名稱 #mysql_user="" #MySQL備份用戶 #mysql_password="" #MySQL備份用戶的密碼 mysql_host=localhost mysql_port=3306 mysql_charset="utf8mb4" #MySQL編碼 backup_db_arr=("db1" "db2") #要備份的數據庫名稱，多個用空格分開隔開 如("db1" "db2" "db3") backup_location=/home/mysql/backup #備份數據存放位置，末尾請不要帶"/",此項可以保持默認，程序會自動創建文件夾 expire_backup_delete="ON" #是否開啟過期備份刪除 ON為開啟 OFF為關閉 expire_days=30 #過期時間天數 默認為三天，此項只有在expire_backup_delete開啟時有效# 本行開始以下不需要修改 backup_time=`date +%Y%m%d%H%M` #定義備份詳細時間 backup_Ymd=`date +%Y-%m-%d` #定義備份目錄中的年月日時間 backup_3ago=`date -d '15 days ago' +%Y-%m-%d` #3天之前的日期 backup_dir=$backup_location/$backup_Ymd #備份文件夾全路徑 welcome_msg="Welcome to use MySQL backup tools!" #歡迎語# 判斷MYSQL是否啟動,mysql沒有啟動則備份退出 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] ]; thenecho "ERROR:MySQL is not running! backup stop!"exit elseecho $welcome_msg fi# 連接到mysql數據庫，無法連接則備份退出 # mysql -h$mysql_host -P$mysql_port <<end #systemctl restart mysqld <<end #docker exec -it $mysql_container mysql -h$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 $?` flag=0 if [ $flag != "0" ]; thenecho "ERROR:Can't connect mysql server! backup stop!"exit elseecho "MySQL connect ok! Please wait......"# 判斷有沒有定義備份的數據庫，如果定義則開始備份，否則退出備份if [ "$backup_db_arr" != "" ];then#dbnames=$(cut -d ',' -f1-5 $backup_database)#echo "arr is (${backup_db_arr[@]})"for dbname in ${backup_db_arr[@]}doecho "database $dbname backup start..."`mkdir -p $backup_dir`#`mysqldump -h$mysql_host -P$mysql_port -u$mysql_user -p$mysql_password $dbname --default-character-set=$mysql_charset | gzip > $backup_dir/$dbname-$backup_time.sql.gz`# 此處不要用 -t, 會導致備份文件為空`docker exec -i $mysql_container mysqldump $dbname --default-character-set=$mysql_charset | gzip > $backup_dir/$dbname-$backup_time.sql.gz`flag=`echo $?`if [ $flag == "0" ];thenecho "database $dbname success backup to $backup_dir/$dbname-$backup_time.sql.gz"elseecho "database $dbname backup fail!"fidone# 傳輸到其他服務器，需要將本機ssh.id_pub 拷貝至目標服務器# 如果ipv6地址，請使用 \[2001::1\]#`scp -r $backup_dir backup@ipaddr:/home/backup/mysqlbackup`#flag=`echo $?`#if [ $flag == "0" ];then# echo "$backup_dir transport complete!"#else# echo "$backup_dir transport failed!"#fielseecho "ERROR:No database to backup! backup stop"exitfi# 如果開啟了刪除過期備份，則進行刪除操作if [ "$expire_backup_delete" == "ON" -a "$backup_location" != "" ];then#`find $backup_location/ -type d -o -type f -ctime +$expire_days -exec rm -rf {} \;``find $backup_location/ -type d -mtime +$expire_days | xargs rm -rf`echo "Expired backup data delete complete!"fiecho "All database backup success! Thank you!"echo "------------ $backup_Ymd ----------------"echo "-----------------END---------------------"exit fi 解壓 xxx.sql.gzgzip -d xxx.sql.gz

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