Add "if_needed" value for CREATE_NEW_DATABASE

This value means that the database is created only if MYSQL_DATADIR
does not exist or is empty.

container_files/bin/start.sh

@@ -17,7 +17,7 @@ if [ -e "/tmp/firsttimerunning" ]; then
 
     echo "Setting DataDir: $MYSQL_DATADIR" >> $log
 
-    if [ "$CREATE_NEW_DATABASE" == "1" ]; then
+    if [[ $CREATE_NEW_DATABASE == 1 || ($CREATE_NEW_DATABASE == if_needed && ( ! -d $MYSQL_DATADIR || -z $(ls -A $MYSQL_DATADIR) ) ) ]]; then
 
         echo "Installing MariaDB" >> $log
 
@@ -71,6 +71,12 @@ if [ -e "/tmp/firsttimerunning" ]; then
         /usr/bin/mysqld_safe --init-file="$tempSqlFile" --datadir="$MYSQL_DATADIR"
     else
         echo "Not Creating a MariaDB - Using Existing from DataDir: $MYSQL_DATADIR" >> $log
+        echo "Fixing Permissions" >> $log
+        chown -R mysql:mysql $MYSQL_DATADIR
+        /opt/bin/fix-permissions.sh $MYSQL_DATADIR >> $log
+        /opt/bin/fix-permissions.sh /var/log/mariadb/ >> $log
+        /opt/bin/fix-permissions.sh /var/run/ >> $log
+        echo "Done Fixing Permissions" >> $log
         rm -f /tmp/firsttimerunning
         /usr/bin/mysqld_safe --datadir="$MYSQL_DATADIR"
     fi