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#!/bin/sh
# This script creates the MariaDB data directory during first service start.
# In subsequent starts, it does nothing much.
source "`dirname ${BASH_SOURCE[0]}`/mariadb-scripts-common"
export LC_ALL=C
# Returns content of the specified directory
# If listing files fails, fake-file is returned so which means
# we'll behave like there was some data initialized
# Some files or directories are fine to be there, so those are
# explicitly removed from the listing
# @param <dir> datadir
list_datadir ()
{
( ls -1A "$1" 2>/dev/null || echo "fake-file" ) | grep -v \
-e '^lost+found$' \
-e '\.err$' \
-e '^.bash_history$'
}
# Checks whether datadir should be initialized
# @param <dir> datadir
should_initialize ()
{
test -z "$(list_datadir "$1")"
}
# If two args given first is user, second is group
# otherwise the arg is the systemd service file
if [ "$#" -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=mariadb.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 "$errlogfile" -a ! -h "$errlogfile" -a x$(dirname "$errlogfile") = "x/var/log" ]; then
case $(basename "$errlogfile") in
mysql*.log|mariadb*.log) install /dev/null -m0640 -o$myuser -g$mygroup "$errlogfile" ;;
*) ;;
esac
else
# Provide some advice if the log file cannot be created by this script
errlogdir=$(dirname "$errlogfile")
if ! [ -d "$errlogdir" ] ; then
echo "The directory $errlogdir does not exist." >&2
exit 1
elif [ -e "$errlogfile" -a ! -w "$errlogfile" ] ; then
echo "The log file $errlogfile cannot be written, please, fix its permissions." >&2
echo "The daemon will be run under $myuser:$mygroup" >&2
exit 1
fi
fi
# Make the data directory if doesn't exist or empty
if should_initialize "$datadir" ; 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 "$datadir"
# Now create the database
echo "Initializing MariaDB database" >&2
# Avoiding deletion of files not created by mysql_install_db is
# guarded by time check and sleep should help work-arounded
# potential issues on systems with 1 second resolution timestamps
# https://bugzilla.redhat.com/show_bug.cgi?id=1335849#c19
INITDB_TIMESTAMP=`LANG=C date -u`
sleep 1
/usr/bin/mariadb-install-db --rpm --datadir="$datadir" --user="$myuser" --skip-test-db >&2
ret=$?
if [ $ret -ne 0 ] ; then
echo "Initialization of MariaDB database failed." >&2
echo "Perhaps /etc/my.cnf is misconfigured or there is some problem with permissions of $datadir." >&2
# Clean up any partially-created database files
if [ ! -e "$datadir/mysql/user.frm" ] && [ -d "$datadir" ] ; then
echo "Initialization of MariaDB database was not finished successfully." >&2
echo "Files created so far will be removed." >&2
find "$datadir" -mindepth 1 -maxdepth 1 -newermt "$INITDB_TIMESTAMP" \
-not -name "lost+found" -exec rm -rf {} +
if [ $? -ne 0 ] ; then
echo "Removing of created files was not successfull." >&2
echo "Please, clean directory $datadir manually." >&2
fi
else
echo "However, part of data has been initialized and those will not be removed." >&2
echo "Please, clean directory $datadir manually." >&2
fi
exit $ret
fi
# upgrade does not need to be run on a fresh datadir
echo "10.5.15-MariaDB" >"$datadir/mysql_upgrade_info"
else
if [ -d "$datadir/mysql/" ] ; then
# mysql dir exists, it seems data are initialized properly
echo "Database MariaDB is probably initialized in $datadir already, nothing is done."
echo "If this is not the case, make sure the $datadir is empty before running `basename $0`."
else
# if the directory is not empty but mysql/ directory is missing, then
# print error and let user to initialize manually or empty the directory
echo "Database MariaDB is not initialized, but the directory $datadir is not empty, so initialization cannot be done." >&2
echo "Make sure the $datadir is empty before running `basename $0`." >&2
exit 1
fi
fi
exit 0
|
