Ash - to test it out, simply label your own PR with "use fork ci" and
trigger the workflow (push any change).
The participants of the pilot get this auto-labeled, but maintianers could
apply it manually as well.

https://github.com/apache/airflow/blob/0ae09c32182e2fd0f4f50b1ce423dd1b42f77343/contributing-docs/18_contribution_workflow.rst#ci-in-your-fork

---

+1 (binding) from me, this is really needed at this point of time.


Shahar

On Wed, Nov 4, 2026 at 2:52 PM Ash Berlin-Taylor via dev <
[email protected]> wrote:

> Before I vote on this, is there a way I can test out the proposed
> model/changes so I can see what the flow looks like, both from a maintainer
> and a contributor?
>
> > On 4 Nov 2026, at 11:06, Jarek Potiuk <[email protected]> wrote:
> >
> > Hello everyone,
> >
> > I am calling a vote on AIP-120, "Your PR, your CI" [1]. As I said when
> > I withdrew the earlier [RESULT] and reopened the discussion [2], this
> > goes to a vote rather than [LAZY CONSENSUS], because not everyone who
> > objected has withdrawn their objection.
> >
> > AIP-120 will change to ADIP-12 if the separate [LAZY CONSENSUS] on the
> > new ADIP wiki section passes [3]. That only changes where the page
> > lives and what it is called. This vote does not depend on it.
> >
> > What we are voting on
> > ---------------------
> >
> > Whether to switch on CI in contributors' forks for all external
> > contributors, as described in AIP-120 [1] and the design [4]:
> >
> > * PRs from external contributors run CI in the contributor's own fork,
> >  on GitHub's free runners, instead of on the ASF runners. Committers,
> >  collaborators and exempted organisations keep project CI, unchanged.
> >
> > * A contributor enables one workflow in their fork, once. After that a
> >  plain "git push" runs CI. No PR against their own fork is needed, and
> >  "breeze ci audit" checks the setup.
> >
> > * The PR shows the fork run as a commit status linking to the run. A PR
> >  is drafted when the fork needs setup or the run failed, and undrafted
> >  when the run is green. A run in progress does not draft it.
> >
> > * A green fork run is not enough when the PR changes what decides which
> >  jobs run and on which runners (workflows, breeze sources and similar).
> >  Such PRs stay visible for review, but wait for a maintainer to run
> >  project CI with the "use project ci" label. Maintainers can use that
> >  label on any PR they want verified in project CI before merging.
> >
> > * A gated PR with no fork CI activity for 7 days is closed, and can be
> >  reopened.
> >
> > Not part of this vote:
> >
> > * The one-time reset of the open PR backlog. It is not proposed here.
> > * Which organisations are exempted. That is agreed separately on this
> >  list.
> >
> > Where things stand
> > ------------------
> >
> > The implementation is merged and switched off for everyone except the
> > pilot: "enabled = false" in .github/fork-ci-gate.toml. If the vote
> > passes, I will post a final pilot update on this list and then switch
> > it on in a separate PR. Rollback is setting "enabled = false" again. If
> > the vote does not pass, it is not switched on for all external
> > contributors.
> >
> > What the pilot showed
> > ---------------------
> >
> > Seven external contributors joined the opt-in pilot on 2026-10-31. So
> > far 16 new PRs carry the "fork ci required" label, 9 of them merged,
> > plus some older PRs that were rebased. Feedback is in the
> > #internal-airflow-ci-cd Slack channel. Some quotes:
> >
> >  "So far, this has been far less inconvenient that I expected. The
> >  only downside is that the CI workflow takes a bit longer on my own
> >  fork that when using the projects runners." - Sameer Mesiah
> >
> >  "Total run time was ~30 minutes, which is basically on par with how
> >  long it was taking on the shared Apache CI (for this PR
> >  specifically)." - Justin Pakzad
> >
> >  "I was actually quite surprised that the runtimes were pretty close
> >  (in some cases quicker) on my fork. I only tested a provider/task-sdk
> >  PRs, I'm assuming larger core changes will def take longer." - Justin
> >  Pakzad
> >
> >  "I love it that I can finally rerun failed jobs since they're running
> >  on the fork" - Iliya Romm
> >
> > That last one was a benefit we did not plan: contributors can restart
> > a single failed job themselves, without asking a maintainer.
> >
> > It was not all smooth, and that is what the pilot was for:
> >
> >  "this had a green (main) CI run, with two maintainer approvals, then
> >  I rebased and the fork CI failed, which auto-marked the PR as draft.
> >  [...] I think the auto-draft rules should be more careful." - Iliya
> >  Romm
> >
> >  "My PR only changes documentation [...] but fork CI converted it to
> >  draft automatically." - Aaron Chen
> >
> >  "GitHub just disabled it without any notification, so my workflows on
> >  fork silently stopped" - Andrew Chang
> >
> > Improvements made after the pilot started
> > -----------------------------------------
> >
> > * Rebased pilot PRs are now gated, not only new ones, and a required
> >  "CI run started" check shows from the moment of the push (#76148).
> > * Cancelled project CI runs no longer leave a mixed red/green status
> >  on the PR (#76148).
> > * A run in progress no longer drafts a PR, so rebasing an approved PR
> >  does not draft it unless the new run fails (#76151).
> > * One pending status links to the fork run, replacing a wall of pending
> >  jobs. This also spends fewer GitHub API writes, and we now watch the
> >  rate limits (#76154).
> > * Scheduled workflows are skipped in forks. They were the likely reason
> >  GitHub disabled Actions on some forks (#76243).
> > * "breeze ci audit" checks that the fork's GitHub Actions can actually
> >  run (#76136, by Andrew).
> > * Only changes that can steer CI are held for a maintainer, and they
> >  are no longer drafted, so docs under dev/breeze/ pass normally
> >  (#76282).
> > * Fork CI PRs that change CI files no longer get the misleading "need
> >  workflow approval" label (#76289, by Andrew).
> > * A re-run that passes now replaces the failed job statuses on the PR
> >  (#76327).
> > * Fork image names are lowercased in the PROD image example tests
> >  (#76143), the contributor docs were improved (#76272, by Aaron), and
> >  transient GitHub errors no longer cause repeated alerts (#76185).
> >
> > Still open:
> >
> > * Status on the PR lags, because the monitor runs every 15 minutes.
> >  Aaron saw the first bot action after about 23 minutes.
> > * The monitor's budget for job status writes still fills up with
> >  several large fork runs active. We need to watch this as more
> >  contributors join.
> > * A failed run after a rebase still drafts the PR, which can cancel
> >  auto-merge when the failure is a flaky test. Iliya also suggested that
> >  maintainer approvals could count towards running project CI.
> > * The labels are confusing and could use better names.
> > * Pilot PRs were mostly small to medium. Large core changes have had
> >  little testing.
> >
> > The objections
> > --------------
> >
> > You should vote knowing what was raised. Please read the original
> > thread [5] and the [RESULT] thread [6] rather than rely on my summary.
> >
> > * Ash's main objection is that this optimises for the wrong thing: the
> >  problem is PRs not being reviewed, and making contributors run CI
> >  does nothing about that backlog. Ash also pointed out that allowing
> >  contributors to run CI in forks and forcing them to are separate
> >  things. This vote is about requiring it. Ash has not withdrawn this
> >  objection.
> >
> >  My answer: it does not add review capacity, and I do not claim it
> >  does. The aim is to slow down iteration on big PRs, so that fewer of
> >  them compete for review, and to move the cost of getting a PR green
> >  to its author. How much that helps is my expectation, not a measured
> >  result.
> >
> > * Ash and Dennis both raised the effect on new contributors. Dennis
> >  described it as a big barrier to entry, and Ash the case of someone
> >  doing all the setup only to have the PR rejected afterwards.
> >
> >  My answer: the setup is now one step, with no second PR and no
> >  sorting through workflow files, but it is still an extra step that a
> >  new contributor did not have before. That cost is real. The pilot
> >  participants are experienced contributors, so the pilot does not tell
> >  us how a first-time contributor will find it.
> >
> > * Slower CI for big PRs is intended, but it should be stated plainly.
> >  On 2026-10-05 I estimated about 85 minutes or more for a full matrix
> >  run in a fork. The first real full run (#75695) took about 2 hours 40
> >  minutes.
> >
> > On the other side, Arrow, DataFusion and SeaTunnel already run PR CI in
> > contributors' forks, or are moving to it, mainly to reduce pressure on
> > the shared ASF runners. For us that is a side benefit.
> >
> > How the vote works
> > ------------------
> >
> > This is a procedural vote, for the reasons in [2]: where CI runs for
> > contributors' PRs is a decision about how the project operates, not a
> > change to Airflow itself or its public interfaces. Hussein asked about
> > this on the [RESULT] thread, and nobody objected to it in the reopened
> > discussion.
> >
> > It passes with at least 3 binding +1 votes and more binding +1 than -1
> > votes [7]. Everyone is welcome to vote; votes from PMC members are
> > binding. A single -1 does not block it, but I will respond to every -1.
> >
> > The vote runs until 2026-11-09 12:00 UTC. That is longer than the
> > 72-hour minimum because of the Summit Reconnect on 4-5 November and the
> > weekend.
> >
> > [ ] +1 Switch on CI in contributors' forks for external contributors,
> >       after a final pilot update
> > [ ]  0 No opinion
> > [ ] -1 Do not do this, because...
> >
> > [1]
> https://cwiki.apache.org/confluence/spaces/AIRFLOW/pages/451974711/AIP-120+Run+CI+for+external+contributions+in+contributor+forks
> > [2] https://lists.apache.org/thread/h5qsfqthmsqoh5j7wyy12r90mnnvz8kt
> > [3] https://lists.apache.org/thread/qxjx3lnwm8gro0dstqr3cvgyj5jg6hyk
> > [4]
> https://github.com/apache/airflow/blob/main/dev/breeze/doc/ci/08_fork_ci_for_external_contributors.md
> > [5] https://lists.apache.org/thread/w74655o8y1jzrzcnygntyyovocf7zmzj
> > [6] https://lists.apache.org/thread/krl1bzszlfgfz70m494rm8jq1ph6dr01
> > [7] https://www.apache.org/foundation/voting.html
> >
> > J.
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: [email protected]
> > For additional commands, e-mail: [email protected]
> >
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: [email protected]
> For additional commands, e-mail: [email protected]
>
>

Reply via email to