mysql 分库分表备份脚本

Posted 2021-01-28 巽逸

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#!/bin/bash
USER=root   #用户
PASSWORD=123456  #密码
mysql_PATH=127.0.0.1 #地址
MYSQL_BIN=/bin/mysql 
MYSQL_DUMP_BIN=/bin/mysqldump
MYSQL_CMD="${MYSQL_BIN} -u${USER} -p${PASSWORD} -h${MYSQL_PATH}"
DATABASE=($(${MYSQL_CMD} -e "show databases;"|egrep -v "Database|mysql|test|information_schema"))
BACKUP_DIR=/data/mysql_backup/$(date +%Y-%y-%d) #备份目录
[ -d ${BACKUP_DIR} ]||mkdir -p ${BACKUP_DIR} 

for database in  ${DATABASE[@]};do
    echo $database
    BACKUP_DATABASE_DIR=${BACKUP_DIR}/${database}
    [ -d ${BACKUP_DATABASE_DIR} ]||mkdir -p ${BACKUP_DATABASE_DIR}
    for table in `${MYSQL_CMD} -e "use ${database};show tables;"`;do
        ${MYSQL_DUMP_BIN} -u${USER} -p${PASSWORD} -h${MYSQL_PATH} ${database} ${table} >${BACKUP_DATABASE_DIR}/${table}.sql
    done
done