[Pacemaker] Announce: SNMP agent for pacemaker

[Andrew Beekhof]

On 7 Feb 2014, at 6:30 pm, Michael Schwartzkopff <ms at sys4.de> wrote:

> Am Freitag, 7. Februar 2014, 17:09:39 schrieb Andrew Beekhof:
>> On 23 Jan 2014, at 12:30 am, Lars Marowsky-Bree <lmb at suse.com> wrote:
>>> On 2014-01-22T09:37:33, Michael Schwartzkopff <ms at sys4.de> wrote:
>>>> Hi,
>>>> 
>>>> I am working on a SNMP agent for pacemaker. it is written in perl. At the
>>>> moment it is in an alpha stadium.
>>>> 
>>>> Any volunteers for testing?
>>> 
>>> I'd be quite curious to learn more about this for sure.
>>> 
>>> Also about the choice to write it in Perl. Short of invoking crm_mon in
>>> the background, or reimplementing the libpengine logic in Perl while
>>> parsing the CIB, this strikes me as quite difficult to get at 'all' the
>>> information from the cluster one might want.
>>> 
>>> Any reason why you didn't extend the crm_mon daemon mode to provide a
>>> SNMP interface instead of just being able to send traps?
>> 
>> There is some code in there to do parts already, but the -e/-E options have
>> shown to be a better idea. IIRC the SNMP dependancies are onerous and
>> troublesome to work with (I think it even brings in perl.so which caused
>> all sorts of issues including RPATH).
>> 
>> Better to have a stand-alone "thing" that knows which env variables to look
>> for and sends the trap.
> 
> Traps are something different.
> 
> My agent provides status information about the cluster. You can compare it 
> with the hbagent of the heartbeart program.

Ah, the querying stuff. Even more reason then :)

> 
> Reason: Many monitoring systems cannot handle traps very good and thus admins 
> are lazy setting up trap recievers in their monitoring systems. Admins like to 
> poll devices. So my agent provides all nescessary information for polling 
> monitoring systems.
> 
> -- 
> Mit freundlichen Grüßen,
> 
> Michael Schwartzkopff
> 
> -- 
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