Docker容器內搭建mysql並定時備份數據到磁盤

創建docker 容器，映射到home/mysql 目錄下

sudo docker run -d -v /home/mysql:/var/lib/mysql -p 3306:3306 --name mysql -e MYSQL_ROOT_PASSWORD="h123456" mysql:5.6

進入mysql

docker exec -it mysql bash

mysql -uroot -p

mysql 創建用戶

create user 'hyp'@‘localhost’  IDENTIFIED By ‘123456’；

給用戶授權(blog_Core庫的所有表)

GRANT SELECT, INSERT,CREATE ON Blog_Core.* TO  'hyp'@‘localhost’;

Mysql 自動備份

因爲MySQL 映射在/home/mysql 文件夾下面，所以在 mysql 文件夾下面創建目錄

mkdir -p /data/mysqlbak/data
mkdir -p /data/mysqlbak/scripts
mkdir -p /data/mysqlbak/logs

創建備份腳本

cd /home/mysql/data/mysqlbak/scripts
vim backup.sh
# !/bin/bash

# 備份目錄
BACKUP_ROOT=/home/mysql/data/mysqlbak
BACKUP_FILEDIR=$BACKUP_ROOT/data

# 當前日期
DATE=$(date +%y%m%d)

###### 備份 #####
# 查詢所有數據庫
# -uroot -ph123456
DATABASES=$(mysql -uroot -ph123456 - e "show databases" | grep -Ev "Database|sys|information_schema|performance_schema|mysql")
#循環數據庫備份
for db in $DATABASES
do echo
echo ----------------$BACKUP_FILEDIR/${db}_$DATE.sql.gz BEGIN ----------------------
mysqldump -uroot -ph123456 --default-character-set=utf8 -q --lock-all-tables --flush-logs -E -R --triggers -B ${db} | gzip > $BACKUP_FILEDIR/${db}_$DATE.sql.gz
echo -------------------$BACKUP_FILEDIR/${db}_$DATE.sql.gz COMPLETE -----
echo
done
echo "done"

創建刪除腳本（七天前的備份數據）

vi backup_clean.sh

#!/bin/bash
echo ----------CLEAN BEGIN----------
find /home/mysql/data/mysqlbak/data -mtime +7 -name "*.gz" -exec rm -rf {} \;
echo ----------CLEAN COMPLETE----------

設置腳本執行權限

chmod 777 backup.sh
chmod 777 backup_clean.sh

創建備份操作的定時任務

crontab -e
將下面命令加入進去
## 凌晨2點備份
00 2 * * * /home/mysql/data/mysqlbak/scripts/backup.sh > /home/mysql/data/mysqlbak/logs/backup.log 2>&1
## 凌晨1點清除
00 1 * * * /home/mysq/data/mysqlbak/scripts/backup_clean.sh > /home/mysql/data/mysqlbak/logs/backup_full_clean.log 2>&1

查看定時任務

crontab -l

如果不可以的使用

https://blog.csdn.net/qq_32684319/article/details/86996369