mysql/mysql-prepare-db-dir.sh

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#!/bin/sh
# This script creates the mysql data directory during first service start.
# In subsequent starts, it does nothing much.
source "`dirname ${BASH_SOURCE[0]}`/mysql-scripts-common"
# If two args given first is user, second is group
# otherwise the arg is the systemd service file
if [ "$#" -eq 2 ]
then
myuser="$1"
mygroup="$2"
else
# Absorb configuration settings from the specified systemd service file,
# or the default service if not specified
SERVICE_NAME="$1"
if [ x"$SERVICE_NAME" = x ]
then
SERVICE_NAME=@DAEMON_NAME@.service
fi
myuser=`systemctl show -p User "${SERVICE_NAME}" |
sed 's/^User=//'`
if [ x"$myuser" = x ]
then
myuser=mysql
fi
mygroup=`systemctl show -p Group "${SERVICE_NAME}" |
sed 's/^Group=//'`
if [ x"$mygroup" = x ]
then
mygroup=mysql
fi
fi
# Set up the errlogfile with appropriate permissions
touch "$errlogfile"
ret=$?
# Provide some advice if the log file cannot be touched
if [ $ret -ne 0 ] ; then
errlogdir=$(dirname $errlogfile)
if ! [ -d "$errlogdir" ] ; then
echo "The directory $errlogdir does not exist."
elif [ -f "$errlogfile" ] ; then
echo "The log file $errlogfile cannot be touched, please, fix its permissions."
else
echo "The log file $errlogfile could not be created."
fi
echo "The daemon will be run under $myuser:$mygroup"
exit 1
fi
chown "$myuser:$mygroup" "$errlogfile"
chmod 0640 "$errlogfile"
[ -x /sbin/restorecon ] && /sbin/restorecon "$errlogfile"
# Make the data directory
if [ ! -d "$datadir/mysql" ] ; then
# First, make sure $datadir is there with correct permissions
# (note: if it's not, and we're not root, this'll fail ...)
if [ ! -e "$datadir" -a ! -h "$datadir" ]
then
mkdir -p "$datadir" || exit 1
fi
chown "$myuser:$mygroup" "$datadir"
chmod 0755 "$datadir"
[ -x /sbin/restorecon ] && /sbin/restorecon "$datadir"
# Now create the database
echo "Initializing @NICE_PROJECT_NAME@ database"
@bindir@/mysql_install_db --rpm --datadir="$datadir" --user="$myuser"
ret=$?
if [ $ret -ne 0 ] ; then
echo "Initialization of @NICE_PROJECT_NAME@ database failed." >&2
echo "Perhaps @sysconfdir@/my.cnf is misconfigured." >&2
# Clean up any partially-created database files
if [ ! -e "$datadir/mysql/user.frm" ] ; then
rm -rf "$datadir"/*
fi
exit $ret
fi
# upgrade does not need to be run on a fresh datadir
echo "@VERSION@" >"$datadir/mysql_upgrade_info"
# In case we're running as root, make sure files are owned properly
chown -R "$myuser:$mygroup" "$datadir"
fi
exit 0