47 lines
1.5 KiB
Bash
47 lines
1.5 KiB
Bash
#!/bin/sh
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test -f /root/.my.cnf || exit 1
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must_have ()
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{
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# Here, using "which" would not be appropriate since it also depends on
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# PATH being set correctly. The type builtin command is unaffected by the
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# environment.
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type $1 >/dev/null
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if [ $? -ne 0 ]; then
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echo "Command '$1' not found, did you correctly set PATH ? Its current value is: $PATH" >&2
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exit 1
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fi
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}
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# Since this script is doing something rather unsafe with the database, we want
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# to be really careful to have all the necessary tools before doing anything so
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# that we don't end up in an inconsistent state.
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must_have sleep
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must_have mysql
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must_have killall
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must_have ls
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must_have chown
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rootpw=$(grep password /root/.my.cnf | sed -e 's/^[^=]*= *\(.*\) */\1/')
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/usr/bin/mysqladmin -uroot --password="${rootpw}" status > /dev/null && echo "Nothing to do as the password already works" && exit 0
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/etc/init.d/mysql stop
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/usr/sbin/mysqld --skip-grant-tables --user=root --datadir=/var/lib/mysql --log-bin=/var/lib/mysql/mysql-bin &
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sleep 5
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mysql -u root mysql <<EOF
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UPDATE mysql.user SET Password=PASSWORD('$rootpw') WHERE User='root' AND Host='localhost';
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DELETE FROM mysql.user WHERE (User='root' AND Host!='localhost') OR USER='';
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FLUSH PRIVILEGES;
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EOF
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killall mysqld
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sleep 15
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# chown to be on the safe side
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ls -al /var/lib/mysql/mysql-bin.* &> /dev/null
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[ $? == 0 ] && chown mysql.mysql /var/lib/mysql/mysql-bin.*
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chown -R mysql.mysql /var/lib/mysql/data/
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/etc/init.d/mysql start
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