entrypoint

    test -z "${MYSQL_PASS}" || ( echo "Setting [MYSQL_PASS] environment variable is insecure, use passwordfile [/password] instead"; PASS="${MYSQL_PASS}" ) 

    test -f /password && PASS="$(cat /password)"

    unset MYSQL_HOST MYSQL_PORT MYSQL_USER MYSQL_PASS

    test -n "${MYSQL_FILE}" && BACKUP_PREFIX="${MYSQL_FILE}" || BACKUP_PREFIX="${HOST}_${PORT}"

    unset MYSQL_HOST MYSQL_PORT MYSQL_USER MYSQL_PASS MYSQL_FILE

    # Create final Backup Directory

    mkdir -p "${BACKUPDIR}"

    test -d "${BACKUPDIR}" || ( echo "There might be an error: no final backup dir. Will create one..."; mkdir -p "${BACKUPDIR}" )

    test -w "${BACKUPDIR}" || ( echo "There might be an error: no write access to final backup dir. Will change rights..."; chmod -Rc u+w "${BACKUPDIR}" )

    # Create temp Backup Directory

    TEMPDIR="${BACKUPDIR}/.${NOW}"

    test -d "${TEMPDIR}" || mkdir -p "${TEMPDIR}"

    test -w "${TEMPDIR}" || ( echo "There might be an error: no write access to temp backup dir. Will change rights..."; chmod -Rc u+w "${TEMPDIR}" )

    # Create temp Backup Config

    CONFIG="$(mktemp)"

    # ZIP BACKUP #

    cd $TEMPDIR

    tar -zcvf ${HOST}_${PORT}-${NOW}.tar.gz *.sql

    tar -zcvf ${BACKUP_PREFIX}-${NOW}.tar.gz *.sql

    echo "---"

    du -h ${BACKUP_PREFIX}-${NOW}.tar.gz

    cd - > /dev/null

    # MOVE BACKUP TO BACKUP DIR #

    mv -f ${TEMPDIR}/${HOST}_${PORT}-${NOW}.tar.gz "${BACKUPDIR}"

    mv -f ${TEMPDIR}/${BACKUP_PREFIX}-${NOW}.tar.gz "${BACKUPDIR}"

    # CLEANUP #

    rm -rf ${TEMPDIR}