#!/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

if [ ! -e "$errlogfile" -a ! -L "$errlogfile" ]; then

    touch "$errlogfile"

    chown "$myuser:$mygroup" "$errlogfile"

    chmod 0640 "$errlogfile"

fi

su - $myuser -s /bin/bash -c "touch '$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

[ -x /sbin/restorecon ] && /sbin/restorecon "$errlogfile"

# Make sure $datadir is there with correct permissions

if [ ! -e "$datadir" -a ! -L "$datadir" ]; then

    mkdir -p "$datadir" || exit 1

    chown "$myuser:$mygroup" "$datadir"

    chmod 0755 "$datadir"

fi

[ -x /sbin/restorecon ] && /sbin/restorecon "$datadir"

if [ ! -d "$datadir/mysql" ] ; then

    # Now create the database

    echo "Initializing @NICE_PROJECT_NAME@ database"

    su - $myuser -s /bin/bash -c "@bindir@/mysql_install_db --rpm --datadir='$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

        echo "Note, that you may need to clean up any partially-created database files in $datadir" >&2

        exit $ret

    fi

    # upgrade does not need to be run on a fresh datadir

    su - $myuser -s /bin/bash -c "echo '@VERSION@' > '$datadir/mysql_upgrade_info'"

fi

exit 0