[Pacemaker] crm_mon SNMP support

[Andrew Beekhof]

Here you go...
  https://github.com/beekhof/pacemaker/commit/85bbaea

Thanks!

On Thu, Feb 7, 2013 at 7:41 PM, Florian Crouzat
<gentoo at floriancrouzat.net> wrote:
> Le 05/02/2013 02:36, Andrew Beekhof a écrit :
>
>> On Fri, Feb 1, 2013 at 8:21 PM, Florian Crouzat
>> <gentoo at floriancrouzat.net> wrote:
>>>
>>> Le 01/02/2013 03:48, Andrew Beekhof a écrit :
>>>
>>>> On Tue, Jan 22, 2013 at 3:18 AM, Florian Crouzat
>>>> <gentoo at floriancrouzat.net> wrote:
>>>>>
>>>>>
>>>>> Le 29/11/2012 22:10, Andrew Beekhof a écrit :
>>>>>
>>>>>> Not so fast :-)
>>>>>>
>>>>>> crm_mon supports
>>>>>>
>>>>>>           -E, --external-agent=value
>>>>>>                  A program to run when resource operations take place.
>>>>>>
>>>>>>           -e, --external-recipient=value A recipient for your program
>>>>>> (assuming you want the program to send something to someone).
>>>>>>
>>>>>> so without recompiling, you can call a script - possibly it could call
>>>>>> something that sends out snmp alerts ;-)
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> So, I took a first shot at writing an external-agent script that would
>>>>> somehow reproduce the behavior of crm_mon when SNMP support is
>>>>> built-in.
>>>>>
>>>>> Basically, to refocus the discussion, I've written this script because
>>>>> I
>>>>> want to be alerted via SNMP on most of the cluster events but sadly my
>>>>> version of crm_mon doesn't have SNMP support (RHEL6), so I cannot use
>>>>> this
>>>>> feature combined with ocf:pacemaker:ClusterMon but I can use crm_mon
>>>>> ability
>>>>> to trigger an external-agent (script, binary...)
>>>>>
>>>>> Script: http://files.floriancrouzat.net/clusterMon.sh
>>>>> It respects PCMK-MIB.txt.
>>>>
>>>>
>>>>
>>>> Is that something you'd like to include with pacemaker?
>>>
>>>
>>>
>>> Well, I'm really not sure it would be useful for anyone as it not generic
>>> at
>>> all, and highly oriented for my needs.
>>
>>
>> Looks pretty configurable to me.
>>
>>> Maybe it would fit better in an "example" section of Pacemaker_Explained
>>
>>
>> That also works :)
>>
>
> Well, do as you please. I'm by no means able to choose :)
>
> Not sure what you meant by "Is that something you'd like to include with
> pacemaker?" but feel free to commit the script to any "extra" or "script"
> folder in pacemaker sources, maybe remove my name and add the required
> license(s) to it or just paste the few bash lines I produced to the correct
> section of the correct documentation.
>
> I did some polishing on the comments in the scripts since Chapter 7 of
> Pacemaker Explained has been published
> (http://clusterlabs.org/doc/en-US/Pacemaker/1.1-crmsh/html/Pacemaker_Explained/s-notification-external.html)
>
>
>
> --
> Cheers,
> Florian Crouzat
>
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