monitoring web transactions

[Stanley Hopcroft]

Dear Ladies and Gentlemen,

> On Wed, Oct 20, 2004 at 09:36:56AM -0400, Robert.Lattanzi at fitchratings.com =
> wrote:
> > series of web transactions, such as logging in to a protected page and th=
> en
> > checking for a string (similar to check_httpd) on the resulting page. It
> > doesn't look like Nagios can do this "natively"- please correct me if I'm
> > wrong. Thanks, Robert


> I don't know of any plugin that can do this. You'd probably have
> better luck with something like=20



> AWBot http://freshmeat.net/projects/awbot/
> PasTMon http://freshmeat.net/projects/pastmon/=20
> or TestMaker http://freshmeat.net/projects/testmaker/
> and having them send a notification to Nagios about their
> results.
> 
> Note: I haven't actually used these programs, but it is
> something I've been looking at doing someday.
>

You may be better off rolling your own completely since AwBot requires a 
two (2) phases (processe each URL and then analyse the result file)  and 
PasTmon is a passive monitor.

OTOH you could try WWW::Mechanize from CPAN 
( http://search.cpan.org/dist/WWW-Mechanize/ ) , or lynx or LWP from 
within a Perl program to step through the list of URLs and match the 
HTML response against the patterns you provide.

Probably the only code-free ways of doing this are commercial: site 
checking services or products like Rational Robot.

With CPAN modules like WWW::Mechanize very much can be done with very 
little code on your part.

Here's what it looks like 

$mech->get( "http://my.site.com" );
    die "Can't even get the home page: ", $mech->response->status_line
        unless $mech->success;

    $mech->follow_link( "foo" );
    die "Foo link failed: ", $mech->response->status_line
        unless $mech->success;

and a page of example programs, none that for Nagios as yet.

http://search.cpan.org/dist/WWW-Mechanize/lib/WWW/Mechanize/Examples.pod

Yours sincerely.

 

-- 
Stanley Hopcroft

Network specialist, IT Infrastructure
IP Australia
Ph: (02) 6283 3189  Fax: (02) 6281 1353
PO Box 200 Woden  ACT 2606
http://www.ipaustralia.gov.au
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