[Buildbot-devel] custom scheduler for parallelism

Greg MacDonald gmacdonald at trionworlds.com
Mon Jul 13 18:35:10 UTC 2015

Hi Pierre,

The getSchedulersAndProperties method is just what I was looking for! Thanks a lot!


From: Pierre Tardy [mailto:tardyp at gmail.com]
Sent: Saturday, July 11, 2015 7:45 AM
To: Mikhail Sobolev; buildbot-devel at lists.sourceforge.net
Subject: Re: [Buildbot-devel] custom scheduler for parallelism

The Trigger step now has a getSchedulersAndProperties customization point, which can allow you to create the same build several times, but with different parameters as properties.

You can see an example in buildbot_travis:

Le sam. 11 juil. 2015 à 15:49, Mikhail Sobolev <mss at mawhrin.net<mailto:mss at mawhrin.net>> a écrit :
Hi Greg,

On Fri, Jul 10, 2015 at 08:43:02PM +0000, Greg MacDonald wrote:
>    I have a few jobs that are good parallelism candidates in that several
>    console commands can be split up between machines. I've got some basic
>    parallelism with the triggerable scheduler and multiple builders, but I
>    have to make a builder for each machine, which means I have to divvy up
>    the commands in advance. I would much prefer a more general solution where
>    I dynamically start a multiple instances of a single builder with each
>    instance having a different command to run. This way the nodes are kept
>    general and the load can be spread around the cluster dynamically. Is
>    there a way to do this that I'm not aware of? It doesn't seem like things
>    are setup this way so I was thinking of extending the triggerable
>    scheduler to do this, using the build properties to pass the command to
>    run. Does this sound like a reasonable course of action? Thx.
I wonder if you could share the snippet of your current configuration related
to your question?


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