[Buildbot-devel] Buildbot with virtual machines

[Tobi Vollebregt]

> > Because there are so many virtual machines, I don't want them all to
> > run at the same time.  Ideally, when a build is submitted, buildbot
> > could launch some of the virtual machines, let them complete the
> > build, then shut them down, then start a new batch of machines.
> >
> > Is this possible?  I don't mind modifying some code since I'll be
> > writing my own system if buildbot doesn't work for me.
>
> [...]
>
> It would be fantastic if there was a way to do this built into Buildbot;
> it's a pretty common configuration, I think.

Doesn't buildbot already have something like slave_lock and master_lock? I 
believe you could specified a 'lock=my_lock' for a buildstep, and then only 
one buildstep needing that lock could run at the same time.

I've never bothered trying it tho, but I recall seeing it in the 
documentation.

Tobi