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#!/bin/sh

FILENAME=$(basename $0 .sh)
BACKUP_TS=$(date +%F-%T)
ARCHIVE=${FILENAME}_${BACKUP_TS}.tar.gz
ERRFILE=${FILENAME}_${BACKUP_TS}.err
DMPFILE=${FILENAME}_${BACKUP_TS}.dmp
LOG_DIR=/tmp
BACKUP_WORKDIR=/tmp
BACKUP_ARCHIVEDIR=/tmp
MARIADB_BACKUP_EXE_DIR="/usr/bin"
DB_USER=policy
DB_PWD=*******
HOST=host.docker.internal
PORT=3355

# cleanup old backups
removeOldBackups()
{
for i in `ls $BACKUP_ARCHIVEDIR/$FILENAME*.tar.gz | grep -v $ARCHIVE`
do
        rm $i >/dev/null 2>/dev/null
done
}

cd /

echo "Backup Started"

# call backup utility
{
"$MARIADB_BACKUP_EXE_DIR"/mysqldump --all-databases --host=$HOST --port=$PORT --user=$DB_USER --password=
$DB_PWD --log-error=/tmp/$ERRFILE  > /tmp/$DMPFILE
}
echo >&2 "Backup Complete"

# create a tar archive from the backup directory
tar cvzf $BACKUP_ARCHIVEDIR/$ARCHIVE $BACKUP_WORKDIR/$DMPFILE $BACKUP_WORKDIR/$ERRFILE >/dev/null 2>/dev/null

# check for errors
if [ -s "$BACKUP_WORKDIR/$ERRFILE" ]
then
   exit 1
else
   rm $BACKUP_WORKDIR/$DMPFILE $BACKUP_WORKDIR/$ERRFILE
   removeOldBackups
   exit 0
fi