name : mysqld_pre_systemd #! /bin/bash # Copyright (c) 2015, 2026, Oracle and/or its affiliates. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License, version 2.0, # as published by the Free Software Foundation. # # This program is designed to work with certain software (including # but not limited to OpenSSL) that is licensed under separate terms, # as designated in a particular file or component or in included license # documentation. The authors of MySQL hereby grant you an additional # permission to link the program and your derivative works with the # separately licensed software that they have either included with # the program or referenced in the documentation. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License, version 2.0, for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA # Script used by systemd mysqld.service to run before executing mysqld get_option () { local section=$1 local option=$2 local default=$3 local instance=$4 ret=$(/usr/bin/my_print_defaults ${instance:+--defaults-group-suffix=@$instance} $section | \ grep '^--'${option}'=' | cut -d= -f2- | tail -n 1) [ -z "$ret" ] && ret=$default echo $ret } install_validate_password_sql_file () { local initfile initfile="$(mktemp /var/lib/mysql-files/install-validate-password-plugin.XXXXXX.sql)" chmod a+r "$initfile" echo "SET @@SESSION.SQL_LOG_BIN=0;" > "$initfile" echo "INSERT INTO mysql.component (component_id, component_group_id, component_urn) VALUES (1, 1, 'file://component_validate_password');" >> $initfile echo $initfile } fix_mysql_upgrade_info () { datadir=$(get_option mysqld datadir "/var/lib/mysql${instance:+-$instance}" $instance) if [ -d "$datadir" ] && [ -O "$datadir/mysql_upgrade_info" ]; then chown --reference="$datadir" "$datadir/mysql_upgrade_info" if [ -x /usr/bin/chcon ]; then /usr/bin/chcon --reference="$datadir" "$datadir/mysql_upgrade_info" > /dev/null 2>&1 fi fi } install_db () { # Note: something different than datadir=/var/lib/mysql requires SELinux policy changes (in enforcing mode) # mysql_upgrade_info file should be owned by mysql user since MySQL 8.0.16 fix_mysql_upgrade_info # No automatic init wanted [ -e /etc/sysconfig/mysql ] && . /etc/sysconfig/mysql [ -n "$NO_INIT" ] && exit 0 local instance=$1 datadir=$(get_option mysqld datadir "/var/lib/mysql${instance:+-$instance}" $instance) log=$(get_option mysqld 'log[_-]error' "/var/log/mysql${instance:+-$instance}.log" $instance) # Restore log, dir, perms and SELinux contexts if [ ! -d "$datadir" -a ! -h "$datadir" -a "x$(dirname "$datadir")" = "x/var/lib" ]; then install -d -m 0751 -omysql -gmysql "$datadir" || exit 1 fi if [ ! -e "$log" -a ! -h "$log" -a x$(dirname "$log") = "x/var/log" ]; then case $(basename "$log") in mysql*.log) install /dev/null -m0640 -omysql -gmysql "$log" ;; *) ;; esac fi if [ -x /usr/sbin/restorecon ]; then /usr/sbin/restorecon "$datadir" [ -e "$log" ] && /usr/sbin/restorecon "$log" for dir in /var/lib/mysql-files /var/lib/mysql-keyring ; do if [ -x /usr/sbin/semanage -a -d /var/lib/mysql -a -d $dir ] ; then /usr/sbin/semanage fcontext -a -e /var/lib/mysql $dir >/dev/null 2>&1 /sbin/restorecon -r $dir fi done fi # If special mysql dir is in place, skip db install [ -d "$datadir/mysql" ] && exit 0 # Create initial db and install validate_password plugin initfile="$(install_validate_password_sql_file)" /usr/sbin/mysqld ${instance:+--defaults-group-suffix=@$instance} --initialize \ --datadir="$datadir" --user=mysql --init-file="$initfile" rm -f "$initfile" # Generate certs if needed if [ -x /usr/bin/mysql_ssl_rsa_setup -a ! -e "${datadir}/server-key.pem" ] ; then /usr/bin/mysql_ssl_rsa_setup --datadir="$datadir" --uid=mysql >/dev/null 2>&1 fi exit 0 } install_db $1 exit 0