shell脚本获得所有数据库备份（整库备份，表级备份）

数据库备份到天翼云对象存储OBS
https://blog.csdn.net/qq_34631220/article/details/135755894

1、获得所有数据库

#!/bin/sh
HOSTNAME="ip"  #数据库信息
PORT="3306"
USERNAME="root"
PASSWORD=""
DBNAME="yusuan"  #数据库名称
# select_sql="select * from dade"
# 获得所有数据库
select_sql="show databases"
data=$(mysql -h${
    HOSTNAME} -P${
    PORT} -u${
    USERNAME} -p${
    PASSWORD} ${
    DBNAME} -e "${select_sql}")
for list in ${data}
do
    if [ "$list" != "Database" ] && [ "$list" != "information_schema" ] && [ "$list" != "mysql" ] && [ "$list" != "performance_schema" ] && [ "$list" != "sys" ];then
        if [ "$list" == "yusuan" ]; then
            echo "数据库66666----${list}"
        else
            echo "数据库----${list}"
        fi
    fi
done

2.单库表级备份

#!/bin/sh

# 获得时间date "+%Y-%m-%d %H:%M:%S"
mkdirYmd=$(date +%Y%m%d)
ymd=$(date +%Y%m%d-%H:%M:%S)
# 判断目录是否存在，不存在创建，压缩存放目录
[ -d /obsfs/obsfs_CentOS7.6_amd64/zip ] || mkdir -p /obsfs/obsfs_CentOS7.6_amd64/zip

HOSTNAME="ip"  #数据库信息
PORT="3306"
USERNAME="root"
PASSWORD=""
DBNAME="yusuan"  #数据库名称
# select_sql="select * from dade"
# 获得所有数据库
select_sql="show databases"
data=$(mysql -h${
    HOSTNAME} -P${
    PORT} -u${
    USERNAME} -p${
    PASSWORD} ${
    DBNAME} -e "${select_sql}")
for list in ${data}
do
    if [ "$list" != "Database" ] && [ "$list" != "information_schema" ] && [ "$list" != "mysql" ] && [ "$list" != "performance_schema" ] && [ "$list" != "sys" ];then
        if [ "$list" == "yusuan" ]; then
            echo "数据库66666----${list}"
            # 判断目录是否存在，不存在创建,日期+库名创建目录
            [ -d /obsfs/obsfs_CentOS7.6_amd64/cdj-file/mysql/${mkdirYmd}/${list} ] || mkdir -p /obsfs/obsfs_CentOS7.6_amd64/cdj-file/mysql/${mkdirYmd}/${list}
            # 整库备份
            # mysqldump -h${HOSTNAME} -u${USERNAME} -p${PASSWORD} --databases $list >/obsfs/obsfs_CentOS7.6_amd64/sql/${list}.sql
            # 按库单表备份
            tables_sql="show tables"
            Tab=$(mysql -h${
    HOSTNAME} -P${
    PORT} -u${
    USERNAME} -p${
    PASSWORD} ${
    list} -e "${tables_sql}")
            for it in ${Tab}
            do  
                if [ "$it" != "Tables_in_yusuan" ];then
                    echo "表-----${it}"
                    # 单表备份
                    mysqldump -h${
   HOSTNAME} -u${USERNAME} -p${PASSWORD} --databases ${list} --tables ${it} > /obsfs/obsfs_CentOS7.6_amd64/sql/${it}_${ymd}.sql
                    # 单表压缩
                    zip -r /obsfs/obsfs_CentOS7.6_amd64/zip/${it}_${ymd}.zip /obsfs/obsfs_CentOS7.6_amd64/sql/${it}_${ymd}.sql
                    # 复制到天翼云对象存储目录OBS(并行文件系统)，备份
                    cp /obsfs/obsfs_CentOS7.6_amd64/zip/${it}_${ymd}.zip /obsfs/obsfs_CentOS7.6_amd64/cdj-file/mysql/${mkdirYmd}/${list}
                    # 删除两个原文件
                    rm -rf /obsfs/obsfs_CentOS7.6_amd64/sql/${it}_${ymd}.sql;
                    rm -rf /obsfs/obsfs_CentOS7.6_amd64/zip/${it}_${ymd}.zip;
                fi
            done
        else
            echo "数据库----${list}"
        fi
    fi
done

3、备份所有库（表级）

#!/bin/sh

# 获得时间date "+%Y-%m-%d %H:%M:%S"
mkdirYmd=$(date +%Y%m%d)
ymd=$(date +%Y%m%d-%H:%M:%S)
# 判断目录是否存在，不存在创建，压缩存放目录
[ -d /obsfs/obsfs_CentOS7.6_amd64/zip ] || mkdir -p /obsfs/obsfs_CentOS7.6_amd64/zip

HOSTNAME="ip"  #数据库信息
PORT="3306"
USERNAME="root"
PASSWORD=""
DBNAME="yusuan"  #数据库名称
# select_sql="select * from dade"
# 获得所有数据库
select_sql="show databases"
data=$(mysql -h${
    HOSTNAME} -P${
    PORT} -u${
    USERNAME} -p${
    PASSWORD} ${
    DBNAME} -e "${select_sql}")
for list in ${data}
do
    if [ "$list" != "Database" ] && [ "$list" != "information_schema" ] && [ "$list" != "mysql" ] && [ "$list" != "performance_schema" ] && [ "$list" != "sys" ];then
        echo "数据库----${list}"
        # 判断目录是否存在，不存在创建,日期+库名创建目录
        [ -d /obsfs/obsfs_CentOS7.6_amd64/cdj-file/mysql/${mkdirYmd}/${list} ] || mkdir -p /obsfs/obsfs_CentOS7.6_amd64/cdj-file/mysql/${mkdirYmd}/${list}
        # 整库备份
        # mysqldump -h${HOSTNAME} -u${USERNAME} -p${PASSWORD} --databases $list >/obsfs/obsfs_CentOS7.6_amd64/sql/${list}.sql
        # 按库单表备份
        tables_sql="show tables"
        Tab=$(mysql -h${
    HOSTNAME} -P${
    PORT} -u${
    USERNAME} -p${
    PASSWORD} ${
    list} -e "${tables_sql}")
        for it in ${Tab}
        do  
            if [ "$it" != "Tables_in_yusuan" ];then
                echo "库：${list}---表：${it}"
                # 单表备份
                mysqldump -h${
   HOSTNAME} -u${USERNAME} -p${PASSWORD} --databases ${list} --tables ${it} > /obsfs/obsfs_CentOS7.6_amd64/sql/${it}_${ymd}.sql
                # 单表压缩
                zip -r /obsfs/obsfs_CentOS7.6_amd64/zip/${it}_${ymd}.zip /obsfs/obsfs_CentOS7.6_amd64/sql/${it}_${ymd}.sql
                # 复制到天翼云对象存储目录OBS(并行文件系统)，备份
                cp /obsfs/obsfs_CentOS7.6_amd64/zip/${it}_${ymd}.zip /obsfs/obsfs_CentOS7.6_amd64/cdj-file/mysql/${mkdirYmd}/${list}
                # 删除两个原文件
                rm -rf /obsfs/obsfs_CentOS7.6_amd64/sql/${it}_${ymd}.sql;
                rm -rf /obsfs/obsfs_CentOS7.6_amd64/zip/${it}_${ymd}.zip;
            fi
        done
    fi
done