Determining the success or failure of external commands

[kyle.odonnell at gmail.com]

Hi Scott,

I'm in the process of doing something similar.  I've come up with
something that may help you.

Read my thread entitle "nagios.cmd over nfs"

http://www.nagiosexchange.org/nagios-users.34.0.html?&tx_maillisttofaq_pi1[mode]=1&tx_maillisttofaq_pi1[showUid]=8571


If nfs isn't an option, Thomas mentioned the use of netcat and or a
Perl daemon which would offer more control.

Good luck!
On 1/23/08, Scott Sanders <lists at jssjr.com> wrote:
> In my case, a backup job might take down a MySQL database for anywhere from
> 1 minute to 1 hour, depending on the size of the database. Because the time
> needed to perform the backup is flexible and the time when the backup might
> occur is not always known, I cannot simply set the affected services to only
> notify in a timeperiod that excludes certain hours of the days. This is just
> an example of why I need to allow scripts and applications not on the nagios
> host(s) to be able to use the external command pipe.
>
> Currently I have a very simple API over https that uses the same auth
> mechanism as the Nagios frontend, and PHP classes that I can use in my
> client side scripts to manipulate this API. I am able to query Nagios about
> object data and status data, as well as submit commands to the
> nagios.cmdpipe. In order for the external command functionality to
> work the way I
> intend, I need to obtain a response from nagios so my server can respond
> back to the client with the results of processing the external command. I am
> really hoping there is an easy way to do this, as replacing the
> nagios.cmdfile with something besides a FIFO pipe requires
> modification to the nagios
> source and is something I was trying to avoid.
>
> Thanks for the response. I hope this makes sense.
>
> -Scott
>
> On 1/23/08, Andreas Ericsson <ae at op5.se> wrote:
> >
> > Scott Sanders wrote:
> > > Hi,
> > >
> > > I am working on implementing some functionality that will allow me to
> > safely
> > > expose nagios.cmd to external hosts. In my environment there are
> > maintenance
> > > tasks that run periodically which disrupt certain services, causing
> > nagios
> > > to start generating alerts. Needless to say, I am tired of having my
> > cell
> > > phone go crazy when this happens.
> >
> > In that case, why not ask "How do I keep my cellphone from waking me up?"?
> > Instead, you've thought up a solution to your problem, which generates
> > other problems, and now you want help solving those other problems.
> >
> > Assuming you know when these disruptive tasks are run, you should simply
> > create a notification_period that doesn't include the sensitive hours
> > and use that notification_period for the services being disrupted.
> >
> > There are other solutions too, but this one is normally the recommended,
> > so I suggest you try that out first.
> >
> > --
> > Andreas Ericsson                   andreas.ericsson at op5.se
> > OP5 AB                             www.op5.se
> > Tel: +46 8-230225                  Fax: +46 8-230231
> >
>

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