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Re: [rdo-list] Having an upstream patch in RDO: when and how?



I can say now I have the whole picture.

Many thanks Javier!

-- 
Raoul Scarazzini
rasca redhat com

On 04/07/2016 17:05, Javier Pena wrote:
> 
> 
> ----- Original Message -----
>> On 04/07/2016 15:58, Javier Pena wrote:
>>>
>>>> Hi everybody,
>>>> while testing RDO master in CI i discovered this bug [1] and posted
>>>> upstream the patch to solve it [2].
>>>> Since the patch got merged this morning, now I was wondering how to
>>>> understand when this will be available in RDO. At the moment my CI jobs
>>>> take the repos from [3], so is there a way (or a place) to follow the
>>>> path of this modification and have an idea of when this will be
>>>> available in RDO?
>>>>
>>>
>>> Hi Raoul,
>>>
>>> I'm glad you asked that question, so we can write down the answer somewhere
>>> :). We have 3 main steps:
>>
>> Happy to have made something useful.
>>
>>> 1- Once your patch is merged, DLRN will catch it and build an updated
>>> openstack-tripleo-heat-templates RPM. Using the merge commit id
>>> (043d71d5ce6a1d7c3fc3a8da78ac4ea5622bb6b9), you can find it at
>>> https://trunk.rdoproject.org/centos7/report.html . Actually, it's built
>>> already ->
>>> https://trunk.rdoproject.org/centos7/04/3d/043d71d5ce6a1d7c3fc3a8da78ac4ea5622bb6b9_cbd0900e/
>>
>> Crystal clear, looking inside all the builds I see that all the repos
>> associated with a project (in this case
>> openstack-tripleo-heat-templates) have in common the last part after the
>> underscore (in this case _cbd0900e).
> 
> This is expected, because there are several RPM packages created from a single source GitHub repo. The last part after the underscore is the short git hash for the distgit (a.k.a. repo where the spec file is), in this case https://github.com/rdo-packages/tripleo-heat-templates-distgit/commits/rpm-master.
> 
>> What's the criteria with this? Which rules define which modifications
>> should be in a repo? And, most of all, how different repos are put
>> together to be tested by a promotion pipeline? Are they always tested as
>> single?
> 
> In DLRN, repos are incrementally updated, something like:
> 
> - The repo mentioned above includes the last version of openstack-tripleo-heat-templates (let's assume it is 1.0.1), and the last versions of every other package built before (let's assume we have foo 1.0.0 and bar 1.1.0)
> - When the next package is built (let's say foo 1.0.1), its repo will include the latest version of every package (so foo 1.0.1, bar 1.1.0 and t-h-t 1.0.1).
> 
> So, every repo created after building the package we're interested in, includes the package version we want (or a later one).
> 
> Finally, the promotion pipeline takes the latest consistent repo, which includes the latest version of every package already.
> 
>> Hope this questions are clear :)
>>
> 
> Absolutely :).
> 
>>> 2- The CI promotion pipeline will check if a repository is "consistent",
>>> which means there are no failed-to-build packages, and then take the
>>> latest consistent repo through a number of tests. You can check the CI
>>> pipeline at https://ci.centos.org/view/rdo/view/promotion-pipeline/
>>
>> In the promotion pipeline how can one search for the status of his repo?
>>
> 
> In the Jenkins promotion pipeline, the first job is named "rdo-promote-get-hash-master", and it finds the hash. For the latest (failed) execution, it was https://ci.centos.org/job/rdo-promote-get-hash-master/461/console, and the value we see assigned as NEW_HASH includes the commit we were trying to promote.
> 
>>> 3- After the CI job promotes a repository, it will create an internal
>>> symlink in the DLRN system. There is a job that synchronizes this symlink
>>> to
>>> http://buildlogs.centos.org/centos/7/cloud/x86_64/rdo-trunk-master-tested
>>> every two hours, and then it is distributed through the CentOS CDN.
>>
>> That's clear too.
>>
>>> Regards,
>>> Javier
>>
>> Many thanks,
>>
>> Raoul
>>
>>>> Many thanks,
>>>>
>>>> [1] https://bugzilla.redhat.com/show_bug.cgi?id=1351547
>>>> [2] https://review.openstack.org/#/c/336072/
>>>> [3] /etc/yum.repos.d/delorean.repo
>>>> http://buildlogs.centos.org/centos/7/cloud/x86_64/rdo-trunk-{{ release
>>>> }}-tested/delorean.repo
>>>>
>>>> --
>>>> Raoul Scarazzini
>>>> rasca redhat com
>>>>
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>>>>
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>>>>
>>
>> --
>> Raoul Scarazzini
>> rasca redhat com
>>
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>>


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