[swift-lldb-dev] [swift-dev] Proposal for Swift and Ubuntu releases

Brian Gesiak modocache at gmail.com
Mon Jun 27 08:43:14 CDT 2016


Todd,

Excellent, thanks! Six months seems like plenty of time for me to fix
https://bugs.swift.org/browse/SR-1321. :)

I'll be looking forward to seeing the migrations, good luck!

- Brian Gesiak


On Thu, Jun 23, 2016 at 11:14 PM, Todd Fiala <tfiala at apple.com> wrote:

> Update:
>
> I’m now able to successfully run the packaging CI steps on a local Ubuntu
> 16.04 x86_64 setup, passing all the same tests that run on the official
> packaging CI bots.  I think we’re literally down to just needing to get the
> machines procured, configured and put into the Swift CI pool.
>
> -Todd
>
> On Jun 22, 2016, at 1:07 PM, Todd Fiala <tfiala at apple.com> wrote:
>
>
> On Jun 22, 2016, at 12:49 PM, Brian Gesiak via swift-lldb-dev <
> swift-lldb-dev at swift.org> wrote:
>
> Thanks for raising this discussion, Todd!
>
>
> Hi Brian,
>
> You must be on my brain wave-length.  Now that WWDC is behind us, I just
> raised the Ubuntu 16.04 migration process early this morning.  Expect to
> hear more about this soon once we work out some logistics.
>
> Any input from the core team here? The Swift Android build doesn't
> currently work for Ubuntu 14; see https://bugs.swift.org/browse/SR-1321.
> I'd like to know whether I should prioritize fixing this, or whether I
> should focus on getting the build ready for Ubuntu 16.
>
> - Brian Gesiak
>
>
> Well, getting it working for Ubuntu 14.04 is probably still worth it since
> we are currently supporting it, and plan to support it until we swap it out
> for Ubuntu 16.10 sometime after the October Ubuntu release.  There is
> probably a good 5 - 6 months of coverage left on Swift Ubuntu 14.04 CI.
>
> Does that help?
>
> -Todd
>
>
> On Tue, Apr 26, 2016 at 10:57 AM, Todd Fiala via swift-dev <
> swift-dev at swift.org> wrote:
>
>> Thanks, Ryan.  Yes, the intent was to harmonize with the Ubuntu release
>> philosophy.
>>
>> I haven’t heard any opposition to this plan.  I’m going to move forward
>> with resourcing and executing on this plan.  More communication to follow
>> once those details are worked out.
>>
>> Thanks, all!
>>
>> Sincerely,
>> Todd Fiala
>>
>> On Apr 26, 2016, at 6:24 AM, Ryan Lovelett via swift-lldb-dev <
>> swift-lldb-dev at swift.org> wrote:
>>
>> On Thu, Apr 21, 2016, at 01:12 PM, Todd Fiala via swift-lldb-dev wrote:
>>
>> Hi all,
>>
>> I wanted to propose how we can go about handling newer Ubuntu releases in
>> a systematic way.  This covers how we handle Ubuntu on our CI, but also
>> reflects where we'll be focusing effort at any given point.  The primary
>> intent is to support the most recent Ubuntu Long Term Service release and
>> the absolute latest Ubuntu release, with a bit of overlap when phasing out
>> the LTS release that is going out of scope.
>>
>> Since the next release, fast moving or not, is the next Long Term
>> Stability release, Ubuntu 16.04 LTS (available now), I propose we:
>>
>> * swap out our 15.10 fast moving release with Ubuntu 16.04 LTS.
>>
>> * allow 16.04 and 14.04 to co-exist to give our stability-minded
>> community time to switch over to 16.04.
>>
>> When 16.10 comes out in October 2016, we drop 14.04 and move 16.10 onto
>> those builders.
>>
>> This continues to have us testing against the latest release, which will
>> be Ubuntu 16.04 LTS when we switch, gives us the latest stable coverage
>> (also 16.04), and gives our community a little more time with active
>> coverage on 14.04, the previous long term support version.  We’ll then get
>> back to the normal program in October 2016 when we pick up the latest
>> fast-moving release, with coverage on Ubuntu 16.10 and Ubuntu 16.04 LTS.
>>
>> This assumes we want to keep our eyes on no more than two Ubuntu releases
>> at a time, which matches current CI infrastructure planning.
>>
>> Looking forward over the next two years, this is the schedule I’m
>> proposing:
>>
>>
>>
>>    - April 2016: Replace Ubuntu 15.10 with Ubuntu 16.04  (coverage:
>>    Ubuntu 14.04, Ubuntu 16.04 LTS)
>>    - October 2016: Replace Ubuntu 14.04 with Ubuntu 16.10 (coverage:
>>    Ubuntu 16.04 LTS, Ubuntu 16.10)
>>    - April 2017: Replace Ubuntu 16.10 with Ubuntu 17.04 (coverage:
>>    Ubuntu 16.04 LTS, Ubuntu 17.04)
>>    - October 2017: Replace Ubuntu 17.04 with Ubuntu 17.10 (coverage:
>>    Ubuntu 16.04 LTS, Ubuntu 17.10)
>>    - April 2018: Replace Ubuntu 17.10 with Ubuntu 18.04 LTS (coverage:
>>    Ubuntu 16.04, Ubuntu 18.04 LTS)
>>
>>
>> Thoughts?  Once we finalize the plan, I'll coordinate with the
>> infrastructure teams and round up resources needed to get Ubuntu 16.04
>> supported and on the CI.
>>
>>
>> This seems to mostly match up with the guidance provided by Canonical and
>> the community around Ubuntu. Therefore it seems reasonable to me.
>>
>> I like it. Consider this a vote in favor.
>>
>>
>> Thanks!
>> Sincerely,
>> Todd Fiala
>> *_______________________________________________*
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>>
>>
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