[Buildbot-devel] acquiring multi-step locks/lock until the end of the build
vlovich at gmail.com
Fri Feb 13 17:09:11 UTC 2015
Oh yeah - UnlockBuildLock probably couldn’t just call self.build.releaseLocks since it would only release a particular lock.
Would probably have to introspect the build state a little.
Seems like a feasible solution though.
> On Feb 13, 2015, at 9:07 AM, Vitali Lovich <vlovich at gmail.com> wrote:
> Cool. Thanks for the suggestion.
>> On Feb 13, 2015, at 9:06 AM, Pierre Tardy <tardyp at gmail.com <mailto:tardyp at gmail.com>> wrote:
>> You could create a step:
>> This step would modify self.build.locks to add this new lock, and then call self.build.acquireLocks()
>> This should effectively do option 2.
>> For option 1, you could create a UnlockBuildLock() step that does call self.build.releaseLocks()
>> There might be some interesting details though :)
>> Le Fri Feb 13 2015 at 5:39:50 PM, Vitali Lovich <vlovich at gmail.com <mailto:vlovich at gmail.com>> a écrit :
>> Is there a straightforward way to acquire a lock for the remainder of a build?
>> It looks like we have 2 kinds of locking strategies at the moment:
>> Up-front locks for each build generated by a builder
>> Step-level locks acquired only for the duration of a single step
>> The two that are super-useful but missing:
>> Acquire a lock for the next N steps or until some later step (worst case is acquire/release steps but probably can be done more elegantly as “lock until build step with name X” or “lock for next Y steps").
>> Acquire a lock for the remainder of the build.
>> Does anyone know if the latter is easy to inject? I haven’t looked into it yet; I’m hoping that it would be possible but maybe someone has looked into this already & has thoughts?
>> Any pointers on which class owns the locks?
>> I already have a custom Build class & am OK mucking with the internal state of a build.
>> I’m looking primarily at option #2 - would I get away with generating a lock & then appending it to some internal state in Build
>> for it to get unlocked at the end of the build?
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