On Thu, Mar 08, 2018 at 01:00:32PM -0500, Randy Barlow wrote:
> I would like to kick off a general discussion about how we might gate
> packages in Rawhide. I think it would be nice to get something in place
> for the Fedora 29 timeframe.
I was waiting to have some more time to work on it to kick off that discussion.
This is cool as it means there are more people interested in having this :)
> As one of the Bodhi contributors, I am inclined to suggest that we could
> use Bodhi on Rawhide, similar to how we use it for our stable/branched
> releases, with more relaxed rules (perhaps 1 day in testing or something
> simple).
>
> It may be possible to automate the process a bit to make it less heavy
> for developers, though there is some complication for multi-package
> updates (more on that in a bit). For simple package updates, we may be
> able to detect new commits on dist-git, and react to those by
> automatically starting a Koji build, and automatically filing a Bodhi
> update when that build is complete. I think that would be pretty nice,
> and pingou created a PoC[0] to do this about a year ago.
>
> Multi-package updates won't be so easy though. It's not uncommon for us
> to need to update packages together, and the above workflow would be
> problematic since it would result in updates with single packages in
> them rather than updates with multiple packages. Of course, buildroot
> overrides would be a problem too, since multi-package updates often
> depend on each other at build time too.
>
> We could create some way for packagers to indicate that a commit (or
> possibly even a whole repo) is not intended to be "autobuilt/updated".
> If the packager indicates this then their builds would go into a
> rawhide-pending (similar to what we do for f27 today). Once they have
> all their builds (and buildroot overrides) the way they want them, they
> can create the update.
>
> Another idea that was tossed around in some chats I had with people
> about this involved a system for packagers to use to create Koji side
> tags. Bodhi manages BuildRoot Overrides today (with expirations), so
> perhaps Bodhi could be expanded to also manage Koji side tags (also with
> expirations). I can't remember all the details about this approach or
> why it was suggested over the former approach, but I wanted to list it
> to invite others to chew on it and see if it could work.
>
> If you have other suggestions on how we might gate packages in Rawhide
> that are wildly different than the above, please feel free to share!
I had a different idea in mind, basically try to keep the experience as close as
what it is now.
for single package:
- packager commit
- packager build
- build is tagged into a specfic koji tag
- test are run on this tag
-> results go to src.fp.o
- if tests pass
- package is moved to another koji tag
- package is signed
- package is pushed to rawhide
- if tests do not pass
- do nothing
- if the user submits a waiver
- move the package to the next koji tag for signing it
If a packager does not want to run the tests, we could have a fedpkg build
--noci that would directly build the package in the koji tag used for signing
the package (useful for mass-rebuild for example)
for multi-package:
- packager requests a new side-tag (I'd propose via bodhi)
- packager build all the different packages in that side-tag
- packager asks for the side tag to be merged
- tests are run on all these packages
-> results go to src.fp.o
--> We probably want to also report them on the bodhi request to merge the
tag as otherwise the packager will have to go through all the package to
find the one(s) that failed
- if tests pass
-> cf above
For this to work we could need:
- one new koji tag on rawhide (easy)
- support for side-tags in bodhi
- likely improving the side-tags generation in koji
- a few services, likely fedmsg-based, to link the different services (tests
results to src.fp.o/bodhi, migrate package to the next koji tag when test
results is published, when a waiver is submitted push the package to the next
koji tag...)
The idea to automatically build upon commit is neat and something we can look
into, but I think it can be approached separately from gating rawhide, one
doesn't require the other.
Speaking of both changes in one go might confuse things a little.
Pierre
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