On Sun, 16 Feb 2020 at 13:01, Bartłomiej Płotka <[email protected]> wrote:

> Thanks for your opinion Sylvian! I agree. I totally see the versioning
> cycle being a problem. In fact as Thanos maintainers, together with Cortex
> maintainers, we are probably the biggest users of TSDB alone, so we feel
> the pain (which is not really THAT big).
>

Yeah I knew that you, most of all people, would feel that pain. But I beg
to differ on the "which is not really THAT big", I spent a couple of
afternoons trying to keep prometheus up to date in thanos and I do not keep
good memories of it.


> That's why we started a discussion around proper go module versioning to
> solve this:
> https://groups.google.com/forum/#!searchin/prometheus-developers/versioning%7Csort:date/prometheus-developers/F1Vp0rLk3TQ/XyXngVP8AAAJ
> Hopefully once solved, we can keep mono-repo like structure but have
> separate versioning for TSDB. My personal opinion is that the work we do
> with Duco with help here:
> https://github.com/Helcaraxan/modularise-example-core
>
> We will see it in the soon future.
>
> Kind Regards,
> Bartek
>
> On Sun, 16 Feb 2020 at 12:00, Julien Pivotto <[email protected]>
> wrote:
>
>> On 16 Feb 12:52, Sylvain Rabot wrote:
>> > I strongly believe that TSDB is a cornerstone of the prometheus
>> ecosystem
>> > (and not prometheus/prometheus alone) and as such should have its own
>> > lifecycle.
>> >
>> > I also believe the original reason for the move ("Keeping them in sync,
>> > versioning etc, is a pain") should have been solved by tooling.
>> >
>> > I'm sure at one point people using TSDB outside of prometheus will
>> complain
>> > about the TSDB versioning being tied to prometheus.
>> >
>> > So I'd like to make sure we can go back because even if the move is
>> > considered safe now, I'm persuaded it only benefits internal prometheus
>> > developments at the expense of the whole ecosystem.
>> >
>> > Regards.
>>
>> There are discussions in progress outside of this discussion.
>>
>> I would like to add that golang versioning totally tolerate multiple
>> modules in one git repo with different versioning schemes.
>>
>> https://github.com/hashicorp/consul/tree/master/api
>>
>> is a go module on its own, module github.com/hashicorp/consul/api
>> inside the github.com/hashicorp/consul repo.
>>
>> They have dedicated versions (see
>> https://github.com/hashicorp/consul/tree/api/v1.4.0): consul/api is
>> v1.4.0,
>> while consul is v1.7.0.
>>
>> So it looks like we could get the advantages of a single repo and a
>> dedicated module lifecycle if we need to.
>>
>> >
>> > On Sun, 16 Feb 2020 at 12:39, Bartłomiej Płotka <[email protected]>
>> wrote:
>> >
>> > > Hm, why would it need to have its own lifecycle?
>> > >
>> > > We waited for some time exactly to make sure that all is safe for the
>> move.
>> > >
>> > > Bartek
>> > >
>> > > On Sun, 16 Feb 2020, 11:25 Sylvain Rabot, <[email protected]>
>> wrote:
>> > >
>> > >> Hi,
>> > >>
>> > >> Before doing so, could we make sure this action can be reverted ?
>> > >>
>> > >> I'd hate that, if we realize TSDB needs its own lifecycle, we
>> wouldn't be
>> > >> able to reopen github.com/prometheus/tsdb because of some github
>> logic.
>> > >>
>> > >> Regards.
>> > >>
>> > >> On Fri, 14 Feb 2020 at 00:19, Julien Pivotto <[email protected]
>> >
>> > >> wrote:
>> > >>
>> > >>> Dear community,
>> > >>>
>> > >>> In the dev summit 2019/1, it was decided to move tsdb to the
>> junkyard:
>> > >>>
>> > >>>
>> https://docs.google.com/document/d/1NQIX78nwBhfLZD3pAb0PK-uBKYqnkzjjVhOQ-kIaEGU/edit
>> > >>>
>> > >>> The https://github.com/prometheus/tsdb has been moved in Augustus
>> 2019
>> > >>> inside
>> > >>> the prometheus repo itself:
>> > >>> https://github.com/prometheus/prometheus/tsdb
>> > >>>
>> > >>> I would like to trigger the move of the old repo to
>> > >>> https://github.com/prometheus-junkyard/tsdb at the end of this
>> month (29
>> > >>> February). That is 200 days after the repo has been merged in the
>> > >>> prometheus server repo.
>> > >>>
>> > >>> GitHub says that "All links to the previous repository location are
>> > >>> automatically redirected to the new location":
>> > >>>
>> > >>>
>> https://help.github.com/en/github/administering-a-repository/transferring-a-repository
>> > >>> which means that links to pull requests etc should still work after
>> > >>> the rename.
>> > >>>
>> > >>> If someone has strong arguments against this, please reply to this
>> > >>> message.
>> > >>>
>> > >>> --
>> > >>>  (o-    Julien Pivotto
>> > >>>  //\    Open-Source Consultant
>> > >>>  V_/_   Inuits - https://www.inuits.eu
>> > >>>
>> > >>> --
>> > >>> You received this message because you are subscribed to the Google
>> > >>> Groups "Prometheus Developers" group.
>> > >>> To unsubscribe from this group and stop receiving emails from it,
>> send
>> > >>> an email to [email protected].
>> > >>> To view this discussion on the web visit
>> > >>>
>> https://groups.google.com/d/msgid/prometheus-developers/20200213231949.GA18483%40oxygen
>> > >>> .
>> > >>>
>> > >>
>> > >>
>> > >> --
>> > >> Sylvain Rabot <[email protected]>
>> > >>
>> > >> --
>> > >> You received this message because you are subscribed to the Google
>> Groups
>> > >> "Prometheus Developers" group.
>> > >> To unsubscribe from this group and stop receiving emails from it,
>> send an
>> > >> email to [email protected].
>> > >> To view this discussion on the web visit
>> > >>
>> https://groups.google.com/d/msgid/prometheus-developers/CADjtP1GFSFug0WYQO0svnJv2%3D2Xgz-GSzfL1ThN_kHeoznOQsg%40mail.gmail.com
>> > >> <
>> https://groups.google.com/d/msgid/prometheus-developers/CADjtP1GFSFug0WYQO0svnJv2%3D2Xgz-GSzfL1ThN_kHeoznOQsg%40mail.gmail.com?utm_medium=email&utm_source=footer
>> >
>> > >> .
>> > >>
>> > >
>> >
>> > --
>> > Sylvain Rabot <[email protected]>
>>
>> --
>>  (o-    Julien Pivotto
>>  //\    Open-Source Consultant
>>  V_/_   Inuits - https://www.inuits.eu
>>
>

-- 
Sylvain Rabot <[email protected]>

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