Re: [users] update-data.sh

[Bill Shupp]

Darrel O'Pry wrote:

actually the fi is before the cat line, because hopefully there will be
an old data.srv-$A since the wget failed and didn't mv the tmp to
data.srv-$A.
And I'd rather have out of data information from that server included in
my data file than no information from that server.
.darrel.
 

Ok, well that approach is still taken with the updated script.  I've 
attached one final version, that addresses some things that were missed 
before (sum was not effective since the filenames differed and were 
included).  Also, it runs under sh instead of bash, so people don't need 
bash to run it.  If this looks good to everyone, I'll release 0.9 today.

Regards,
Bill
#!/bin/sh
# The FULL path to the index.php file for the VegaDNS server
VEGADNS='http://127.0.0.1/vegadns-0.9b1/index.php'

# NOTE: You can get updates from multiple VegaDNS servers if 
# desired. Simply separate them by spaces like so:
# VEGADNS='http://server1/vegadns-x.x/index.php http://server2/vegadns-x.x/index.php'

# Path to the tinydns directory
TINYDNSDIR=/etc/tinydns

CUR="$TINYDNSDIR/root/data"
OLD="$TINYDNSDIR/root/data.old"
NEW="$TINYDNSDIR/root/data.new"


cp $CUR $OLD
if [ -f "$NEW" ] ; then
    rm $NEW
fi

A=$[0]
for VD in $VEGADNS ; do
    A=$[$A+1]
    if wget -q -O "$TINYDNSDIR/root/data.srv-$A" $VD?state=get_data ; then
        if [ -s "$TINYDNSDIR/root/data.srv-$A" ] ; then
            cat "$TINYDNSDIR/root/data.srv-$A" >>$NEW
        else
            echo "ERROR: $TINYDNSDIR/root/data.srv-$A does not have a size greater 
than zero"
            exit 1
        fi
    else
        echo "ERROR: wget did not return 0 when accessing $VD?state=get_data"
        exit 1
    fi
    if [ -f "$TINYDNSDIR/root/data.srv-$A" ] ; then
        rm "$TINYDNSDIR/root/data.srv-$A"
    fi
done

# Don't run make if the files havn't changed
OLDSUM=$(sum $OLD | awk '{ print $1 " " $2}')
NEWSUM=$(sum $NEW | awk '{ print $1 " " $2}')

if [ "$OLDSUM" != "$NEWSUM" ]; then
    mv $NEW $CUR
    (cd $TINYDNSDIR/root ; make -s)
else
    rm $NEW
fi