[hobbit] Nagios client, Hobbit server anyone?

[Martin Flemming]

Of course, also very interesting !

.. please go ahead .. :-)

 	martin

On Tue, 11 Nov 2008, Ward, Martin wrote:

> Hi Henrik,
>
>>> 3. Write a program that acts like a Hobbit proxy server, listening on
> ...
>>
>> I've thought of that myself a couple of times - it would be useful if
> Hobbit could make use of some of
>> the Nagios modules ("plugins", in Nagios speak).
>>
>> But Nagios is very different from Hobbit. The network protocol used
> between the Nagios server and the
>> clients is not documented (at least, not anywhere that Google can find
> for me), and it is also a "pull"
>> type of protocol, where the Nagios server polls all of the clients to
> pick up data.
>>
>> Doing a "pull" from the Hobbit server wouldn't be all that difficult,
> but it would have to mimick the
>> behaviour of the Nagios server. And since I haven't found anything
> about how that works, it means digging
>> into the Nagios server code and trying to figure it out from there. Or
> setting up a Nagios system and doing
>> network traces. Both would take more time than I'd like :-/
>
> My thoughts were that this proxy server would do the pulling,
> effectively mimicking the Nagios server,
> then push the data on to the Hobbit server in a similar way to your
> bbproxy program. I had planned on
> cheating for the initial version. For those checks that use the NRPE
> plug-in the proxy
> would simply run the check_nrpe program passing it the parameters
> needed to execute the remote plug-in. It
> would then parse the return data and massage it into Hobbit-speak.
>
> I took a look at the weekend but came up against a wall trying to
> extract the relevant code from
> bbproxy. I think the issue I was having was that bbproxy is heavily
> written to merge multiple packets from
> the client (combining) and send them on to the Hobbit server in one go.
> I just needed something that told
> me what the format of a bbproxy data packet looked like and how to send
> it to the main server.
>
> Ah well, I will see if I can get access to a production Nagios server
> (the one I am supposed to be replacing)
> and see what info I can get from that.
>
> |\/|artin
>
>
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