[Buildbot-devel] Buildbot newbie question on complex setup

[Charles Lepple]

On Apr 29, 2012, at 1:46 PM, Dustin J. Mitchell wrote:

> On Sun, Apr 29, 2012 at 12:38 PM, Richard Offer <richard at whitequeen.com> wrote:
>> So I guess the question is now how to I trigger across build factories ? -
>> or are build factories a logical collection and I should be using triggers
>> between the build steps in two different factories ?
>> 
>> From your comments below it seems that using triggers between different
>> factories isn't supported in the current objects ?
> 
> BuildFactories are just lists of steps, nothing more.  So you can have
> a step in a builder trigger a scheduler which then starts an arbitrary
> number of other builders.


Richard,

one of the keys here is that individual build steps can't call other build steps the way you might think of function calls in, say, C or Python. So a BuildFactory (and the resulting Build that happens at runtime) is always a linear sequence of steps.

The Trigger step [1], with its corresponding Triggerable scheduler, lets one build step call another sequence of steps (by referencing its builderName in the Triggerable configuration).

The example in the Triggerable documentation [2] uses "waitForFinish=True" to serialize all of the steps, but by adding several schedulers to the schedulerNames list, you can get your various platform builds to run in parallel.

[1] http://buildbot.net/buildbot/docs/current/manual/cfg-buildsteps.html#step-Trigger

[2] http://buildbot.net/buildbot/docs/current/manual/cfg-schedulers.html#triggerable-scheduler

-- 
Charles Lepple
clepple at gmail