[OpenSIPS-Users] opensips - graceful maintenance mode?

[solarmon]

Hi Liviu

Thanks for the tip about the $shv global variables. The link you gave is
for 3.1.x, I found the equivalent for 2.4.x which is the version I'm
currently using. Is the 'drain' feature also included in this 2.4.x
implementation?

Do you have any specific examples of how to do this 'drain' mode?

When I try the 'opensipsctl fifo shv_get debug' on my opensips server I get
the following error:

500 command 'shv_get' not available

I assume I need to have the 'cfgutils' module enabled and loaded for it to
work?

Thank you.

On Mon, 20 Jan 2020 at 15:03, Liviu Chircu <liviu at opensips.org> wrote:

> Hi solarmon,
>
> I don't immediately recall such a mechanism in any of the modules / core
> logic.
> However, you have the often underrated $shv global variables, which allow
> you
> can implement some remarkable piece of logic!  For example:
>
> * "drain" mode, where the server stops accepting new calls, in preparation
>   for maintenance
> * test out a feature or a change in production while retaining the ability
> to quickly
>   revert back if things go south (optionally, you can do this for a subset
> of users!)
>
> Best regards,
>
> [1]: https://opensips.org/html/docs/modules/3.1.x/cfgutils.html#mi_shv_set
>
> Liviu Chircuwww.twitter.com/liviuchircu | www.opensips-solutions.com
>
> OpenSIPS Summit, Amsterdam, May 2020
>   www.opensips.org/events
> OpenSIPS Bootcamp, Miami, March 2020
>   www.opensips.org/training
>
> On 20.01.2020 16:54, solarmon wrote:
>
> Hi,
>
> I have an opensips two node cluster, and using the dispatcher module for
> 'internal' and 'external' endpoints.
>
> What is the recommended graceful method to put this opensips cluster in
> maintenance so that current calls are not affected. The overall effect I am
> looking for is for the opensips cluster not to respond to SIP Options pings
> from the endpoints.
>
> Is it a simple case of making these endpoints 'inactive'? Will this tell
> opensips not to respond to SIP Options pings FROM those endpoints?
>
> Thank you.
>
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