HTTP Monitoring - looking for expected output / erroring on expected output

[Rodney Caston]

We have a URL we need to monitoring across a large server farm, this URL
when going to say a URL such as
http://192.168.0.100/monitorfoo.cfm?test=all

The expected output will look like this:

CFUNSTUFF,INTWEB026,OK,N/A,0,2004-10-27 23:47:46
INITIALJUNK4,INTWEB026,OK,N/A,125,2004-10-27 23:47:46
JUNK10,INTWEB026,OK,N/A,1407,2004-10-27 23:47:48
STUFF47,INTWEB026,OK,N/A,78,2004-10-27 23:47:48
IISQUEUE5,INTWEB026,OK,N/A,31,2004-10-27 23:47:48

(a list of about 20 entries like those above will appear)

all that we care about is the expected value of "OK" for each line, and
that the the site itself comes up at all, (does not give a 404, nor does
it produce a blank screen for it's output)

In the event of an error, we'd either get a 404 on the url, a "ERROR"
where "OK" is above, or no output at all on the URL (null)  so another
possibility would be if it sees the word "ERROR" anywhere, to alarm.

Is there a good way for nagios to monitor for these conditions?  I can
think of several ways Netcool ISM could do it, but I'd like to stick
with Nagios.




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