mysqldum script with sync to s3

mysqlbackup.sh

#!/bin/bash

#Variables
MySQLUser="root"
TIMESTAMP=$(date +"%Y-%m-%d-%H-%M")
LOGDIR=
LOGFILE=
FILENAME=backup_$TIMESTAMP.sql.gz

# export database
mysqldump --single-transaction --quick --lock-tables=false --all-databases --master-data=2 -u${MySQLUser} | gzip > /var/backups/sp_mysql/$FILENAME
EXITSTATUS=${PIPESTATUS[0]}
if [ "$EXITSTATUS" -ne "0" ]; then
 echo "ERROR while creating Backup" >> $LOGDIR/$LOGFILE
 exit 0
else

FILESIZE=$(du -h /var/backups/sp_mysql/$FILENAME | awk -F'.' '{print$1}')
if [ $FILESIZE -lt 5 ]
then

echo "ERROR - Database-Backup is smaller than 5GB, please check!" >> $LOGDIR/$LOGFILE
exit 0

else
NOW=$(date +"%Y-%m-%d-%H-%M")
echo "Backup of $FILENAME finished successfully at $NOW" >> $LOGDIR/$LOGFILE
fi
# remove backups older than 3 days
find /var/backups/sp_mysql/$FILENAME* -mtime +3 -delete

# sync mysql backup to amazon s3
/usr/local/bin/aws s3 sync --only-show-errors /var/backups/sp_mysql/ s3://s3bucket >> $LOGDIR/$LOGFILE
fi