1.8 KiB
#! /bin/sh
Needed argument: pre | post
pre mode : try to run mysql_install_db and fix perms and SELinux contexts
post mode : ping server until answer is received
get_option () { local section=$1 local option=$2 local default=$3 ret=$(/usr/bin/my_print_defaults $section | grep '^--'${option}'=' | cut -d= -f2-) [ -z $ret ] && ret=$default echo $ret }
install_db () { # Note: something different than datadir=/var/lib/mysql requires SELinux policy changes (in enforcing mode) datadir=$(get_option mysqld datadir "/var/lib/mysql")
# Restore log, dir, perms and SELinux contexts
[ -d "$datadir" ] || install -d -m 0755 -omysql -gmysql "$datadir" || exit 1
log=/var/log/mysqld.log
[ -e $log ] || touch $log
chmod 0640 $log
chown mysql:mysql $log || exit 1
if [ -x /usr/sbin/restorecon ]; then
/usr/sbin/restorecon "$datadir"
/usr/sbin/restorecon $log
fi
# If special mysql dir is in place, skip db install
[ -d "$datadir/mysql" ] && exit 0
# Create initial db
/usr/bin/mysql_install_db --rpm --datadir="$datadir" --user=mysql
exit 0
}
pinger () { # Wait for ping to answer to signal startup completed, # might take a while in case of e.g. crash recovery # MySQL systemd service will timeout script if no answer datadir=$(get_option mysqld datadir "/var/lib/mysql") socket=$(get_option mysqld socket "$datadir/mysql.sock") case $socket in /*) adminsocket="$socket" ;; *) adminsocket="$datadir/$socket" ;; esac
while /bin/true ; do
sleep 1
mysqladmin --no-defaults --socket="$adminsocket" --user=UNKNOWN_MYSQL_USER ping >/dev/null 2>&1 && break
done
exit 0
}
main
case $1 in "pre") install_db ;; "post") pinger ;; esac
exit 0