Pulse - e-mail notification and external script?

[Mike Kemelmakher]

Hey Laszlo,

There is the way to implement easily the described requirement

you can add the following directives to the global section of the lvs.cf

active_cmd = path_to_your_script
inactive_cmd = path_to_your_script

where your_script maybe any program executable which can be developed in
bash, python, perl or C

active_cmd - will be invoked when local pulse service will change its role
to master
inactive_cmd - will be invoked when local pulse service will change its role
to backup

It is obvious that you can send email / snmp trap or whatever will be
required from the described scripts

Probably the above API is unofficial - BUT  I use it in many system i built
for last four years without any problem.

Hope this will help you

Good luck and  Happy Holidays,

With Kind Regards,
Mike Kemelmakher
UbXess LTD

On Fri, Dec 11, 2009 at 1:52 PM, Laszlo Beres <laszlo at beres.me> wrote:

> Hi,
>
> I have the beautiful duty to set up a 2-node loadbalancer.
> Unfortunately the client has some requests I can't implement for the
> first sight:
>
> - having e-mail notification about master/backup failover
> - starting external scripts when failover happens
>
> Is there an easy way or unofficial, unsupported solution for the
> requirements above?
>
> Best regards,
>
> --
> László Béres            Unix system engineer
> http://www.google.com/profiles/beres.laszlo
>
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