85 lines
2.2 KiB
Bash
Executable File
85 lines
2.2 KiB
Bash
Executable File
#!/bin/bash
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# Copyright (c) 2016 MariaDB Corporation Ab
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#
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# Use of this software is governed by the Business Source License included
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# in the LICENSE.TXT file and at www.mariadb.com/bsl11.
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#
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# Change Date: 2022-01-01
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#
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# On the date above, in accordance with the Business Source License, use
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# of this software will be governed by version 2 or later of the General
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# Public License.
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function runQuery(){
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mysql -s -s -h "$host" -P "$port" -u "$user" -p"$password" -e "$1"
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if [ $? -ne 0 ]
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then
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echo "Failed to execute query: $1"
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exit
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fi
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}
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# Transform grants to from external hosts to MaxScale's host
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function getGrants(){
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result=$(runQuery "show grants for $1"|sed -e "s/@[^ ]*/@'$maxscalehost'/" -e "s/ *IDENTIFIED BY.*//" -e "s/$/;/")
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echo "$result"
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}
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user=$(whoami)
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host=$(hostname)
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port=3306
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include_root="and user <> 'root'"
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if [ "$1" == "--help" ] || [ $# -eq 0 ]
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then
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echo "Transform grants from original host to this host"
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echo ""
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echo "This script queries the backend database for a list of grants and outputs "
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echo "copies of them with the hostnames replaced with the current server's hostname."
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echo "The value of the hostname is the same you would get by doing a 'SELECT USER()'"
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echo "query from this server."
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echo ""
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echo "Usage: $0 -u USER -p PASSWORD -h HOST -P PORT [-r]"
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echo "-u USER Username"
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echo "-p PASSWORD Password"
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echo "-h HOST Database address ($host)"
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echo "-P PORT Database port ($port)"
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echo "-r Include root user in the grants"
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exit
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fi
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while getopts "u:p:h:P:r" var
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do
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case $var in
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u)
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user=$OPTARG
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;;
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p)
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password=$OPTARG
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;;
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h)
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host=$OPTARG
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;;
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P)
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port=$OPTARG
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;;
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r)
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include_root=""
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;;
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esac
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done
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# Get the MaxScale hostname from the backend server
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maxscalehost=$(runQuery "select user()")
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maxscalehost=${maxscalehost#*@}
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# List all the users
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runQuery "select concat(\"'\", user, \"'\", '@', \"'\", host, \"'\") from mysql.user where user <> '' and host <> '%' $include_root"|while read i
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do
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getGrants "$i"
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done
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