[Pacemaker] crm_mon SNMP support

[Andrew Beekhof]

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 :)

>
>
>>>
>>> ps: yes I know, lots of comments and few actual lines of code but that's
>>> just because
>>>
>>> http://clusterlabs.org/doc/en-US/Pacemaker/1.1/html-single/Pacemaker_Explained/#ch-notification
>>> hasn't been published yet.
>>
>>
>> /me kicks of a rebuild now.
>
>
> Thank you for that, hope my poor writing skills won't be noticed =)

Anything is better than a blank page :)