shell脚本创建MySQL数据库、远程主机连接的用户名与密码

一段shell脚本，用来创建mysql数据库，远程主机连接的用户名与密码、数据库用户权限等。

以下脚本用来创建mysql数据库，包括远程主机连接的用户名、密码。

代码：

	#!/bin/bash

	# shell脚本，创建 mysql数据库、用户名、密码。 

	# 也可以同时添加用户权限。

	#-----------------------------

	_db="$1"

	_user="$2"

	_pass="$3"

	_dbremotehost="$4"

	_dbrights="$5"

	## Path to mysql bins ##

	mysql="/usr/bin/mysql"

	## Mysql root settings ##

	_madminuser='root'

	_madminpwd='MySQL-PassWord'

	_mhost='localhost'

	# make sure we get at least 3 args, else die

	[[ $# -le 2 ]] && { echo "Usage: $0 'DB_Name' 'DB_USER' 'DB_PASSORD' ['remote1|remote2|remoteN'] ['DB_RIGHTS']"; exit 1; }

	# fallback to ALL rights 

	[[ -z "${_dbrights}" ]] && _dbrights="ALL"

	# build mysql queries 

	_uamq="${mysql} -u "${_madminuser}" -h "${_mhost}" -p'${_madminpwd}' -e 'CREATE DATABASE ${_db};'"

	_upermq1="${mysql} -u "${_madminuser}" -h "${_mhost}" -p'${_madminpwd}' -e \"GRANT ${_dbrights} ON ${_db}.* TO ${_user}@localhost IDENTIFIED BY '${_pass}';\""

	# run mysql queries

	$_uamq

	$_upermq1

	# read remote host ip in a bash loop

	# build queires to grant permission to all remote webserver or hosts via ip using the same username

	IFS='|'

	for  i in ${_dbremotehost}

	do

	 _upermq2="${mysql} -u "${_madminuser}" -h "${_mhost}" -p'${_madminpwd}' -e \"GRANT ${_dbrights} ON ${_db}.* TO ${_user}@${i} IDENTIFIED BY '${_pass}';\""

	 $_upermq2

	done

脚本使用方法：

1，创建数据库test_db，用户名test123，密码123456

./script.sh test_db test123 123456

2，创建数据库test_db，用户名test123，密码123456，而且只允许 192.168.1.5 and 192.168.1.11连接:

./script.sh test_db test123 123456 '192.168.1.5|192.168.1.11'

3，创建数据库test_db，用户名test123，密码123456，仅允许192.168.1.5 & 192.168.1.11连接，仅权限仅限于：grant SELECT,INSERT,UPDATE,DELETE:

	./script.sh test_db test123 123456 '192.168.1.5|192.168.1.11' 'SELECT,INSERT,UPDATE,DELETE'

(责任编辑：IT)

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