[Buildbot-devel] Pass information from Trigger step to another

[Olivier Trempe]

After trying all kinds things with *properties, **set_properties,
Triggerable *and* Trigger*, I still don't get it.

I don't need to create build properties on the triggered build. I need to
retrieve properties from the triggered to use them in another step.

In the thread cited in my first post, Dustin seems to say that it is not
possible to achieve what I need:
"It sounds like Ryan needs to go the other direction -- from the

triggere*d* builds to the trigger*ing* build.  I don't know of an easy

way to do that." - Dustin

The only way I can think of doing this for now is:

- Pass the *trigger*ing** build name and number as property to *trigger*d**
 build.
- Add a step to the *trigger*d** build which will upload a file to the
master in a folder named after the *trigger*ing** build name and number.
The file content is the name and number of the *trigger*d** build.
- Download and read the file in another *trigger*d** build.



On Tue, Dec 17, 2013 at 3:47 PM, Marc-Antoine Ruel <maruel at chromium.org>wrote:

>
> http://docs.buildbot.net/latest/manual/cfg-schedulers.html#triggerable-scheduler
> Triggerable supports static properties.
>
>
> http://docs.buildbot.net/latest/manual/cfg-buildsteps.html?highlight=trigger%20trigger#triggering-schedulers
> trigger.Trigger supports adding dynamic properties with *set_properties*.
> You create the build properties needed on the triggered build at Trigger
> time.
>
> M-A
>
>
>
>
>
> 2013/12/17 Olivier Trempe <oliviertrempe at gmail.com>
>
>> I am not sure I understand what you mean.
>>
>> In "Builder3", I want to get the buildnumber and buildname of triggered
>> "Builder1" and pass them to "Builder2".
>>
>> I know that I can use WithProperties (now Interpolate
>> since WithProperties is deprecated) to pass properties to "Builder2"
>>
>> What I don't know is how to get these properties from a Trigger step from
>> within the factory assigned to "Builder3".
>>
>> Can you provide me with a small example?
>>
>> Thanks!
>>
>>
>>
>>
>> On Tue, Dec 17, 2013 at 2:15 PM, Marc-Antoine Ruel <maruel at chromium.org>wrote:
>>
>>> You can use build properties that you pass along when you trigger the
>>> steps and then use WithProperties in the command line of the steps you call.
>>>
>>> ref: http://docs.buildbot.net/latest/manual/cfg-properties.html
>>>
>>> M-A
>>>
>>>
>>> 2013/12/17 Olivier Trempe <oliviertrempe at gmail.com>
>>>
>>>> Hello,
>>>>
>>>> I already found this thread (
>>>> http://sourceforge.net/mailarchive/message.php?msg_id=30096787) which
>>>> mentions the kind of feature I am looking for. It is now more than 1 year
>>>> old and I hope the solution exists now.
>>>>
>>>> My use case is the following
>>>> "Builder1": Builds an application and archive artifacts with a
>>>> DirectoryUpload step in a folder on the maser. The folder is named after
>>>> the build name and number. Can be executed on any slave.
>>>>
>>>> "Builder2": Download artifact from another builder based on build name
>>>> and number. Do something with artifacts. Can be executed on any slave.
>>>>
>>>> "Builder3": Trigger Builder1, then trigger Builder2 with build name and
>>>> number retrieved from first trigger step. Can be executed on any slave.
>>>>
>>>> Is there a way to retrieve parameter from a step and pass it to another?
>>>>
>>>> Thanks!
>>>>
>>>> Olivier Trempe
>>>>
>>>>
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>>>
>>
>
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