[Pulp-dev] Pinning dependencies in Pulp 3

[Brian Bouterse]

+1 to pin Y releases

On Tue, Jul 30, 2019 at 8:41 AM Tatiana Tereshchenko <ttereshc at redhat.com>
wrote:

> +1 to pin dependencies and use dependabot
>
> If we were to pin to Z releases, then we'd need to release pulp 3 package
> with any Z release of any dependency we pin.
> And in case of any [security] fix in any dependency, users would need to
> wait for us to release pulp with updated dependency version.
>
> If my logic above is correct, I'm +1 to pin to Y releases. I think most
> (if not all) breaking changes we observed were in the Y releases.
>
> Tanya
>
>
>
> On Fri, Jul 26, 2019 at 7:40 PM Brian Bouterse <bbouters at redhat.com>
> wrote:
>
>> +1. This brings increased stability to Pulp users, and keeps Pulp forward
>> compatible with all dependency releases. It's the best of both worlds and
>> automated!
>>
>> On Fri, Jul 26, 2019 at 12:33 PM Dennis Kliban <dkliban at redhat.com>
>> wrote:
>>
>>> +1
>>>
>>> I really like that there is automation to help us update the deps. If
>>> the PR from dependabot passes CI, we can just merge. Otherwise we will file
>>> an issue.
>>>
>>> On Fri, Jul 26, 2019 at 11:38 AM David Davis <daviddavis at redhat.com>
>>> wrote:
>>>
>>>> Recently, Pulp 3 package installs were broken by a new version of DRF
>>>> which necessitated a new release of pulpcore (RC4)[0]. Our releases are
>>>> fragile and unstable because they don't pin versions of dependencies.
>>>>
>>>> I was thinking of a new strategy whereby we pin pulpcore's dependencies
>>>> to specific versions (either y or z releases) and we use something like
>>>> dependabot[1] to notify us of new updates for pulpcore dependencies. It
>>>> looks like it'll open new PRs when it detects a dependency is out of date.
>>>>
>>>> The one downside I do see is that dependabot PRs could be ignored.
>>>> However, I think the stability of our releases outweighs this potential
>>>> risk especially as we get closer to GA.
>>>>
>>>> Thoughts?
>>>>
>>>> [0] https://www.redhat.com/archives/pulp-dev/2019-July/msg00076.html
>>>> [1] https://dependabot.com/
>>>>
>>>> David
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>>>>
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