check_http and regular expressions

[Morris, Patrick]

On Thu, 27 Aug 2009, Masoud Tabrizi wrote:

> I am running the command as you suggested but it seems like there is something missing; what am I doing wrong?
> 
> All commans are run from /usr/lib/nagios/plugins directory;
> 
> 
> 
> /usr/lib/nagios/plugins/check_http -H xxxxx -u /sample/test.html -p 80 ???a user:password -s TAPE
> 
> Response:
> 
> HTTP OK HTTP/1.1 200 OK - 0.018 second response time |time=0.018116s;;;0.000000 size=3648B;;;0
> 
> 
> 
> Now I run it with negate as you suggested:
> 
> ./negate /usr/lib/nagios/plugins/check_http -H xxxxx -u /sample/test.html -p 80 ???a user:password -s TAPE
> 
> HTTP OK HTTP/1.1 200 OK - 0.006 second response time |time=0.006001s;;;0.000000 size=3648B;;;0
> 
> 
> 
> Now I change the string to something which doesn???t exist:
> 
> /usr/lib/nagios/plugins/check_http -H xxxxx -u /sample/test.html -p 80 ???a user:password ???s Testing
> 
> HTTP CRITICAL - string not found|time=0.012479s;;;0.000000 size=3648B;;;0
> 
> 
> 
> ./negate /usr/lib/nagios/plugins/check_http -H xxxxx -u /sample/test.html -p 80 ???a user:password -s Testing
> 
> HTTP CRITICAL - string not found|time=0.005779s;;;0.000000 size=3648B;;;0

That all looks pretty normal. Negate doesn't change the plugin output;
it only flips the result code.

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