> One more comment: you should take `/pulsarbot run-failure-checks` into
> consideration. It's now triggered by any actors and signals a rerun on
> behalf of @codelipenghui. Following your proposal I suggest this manner
> should be restricted also. And it actually means that our committers should
> be more actively handling PRs.

Good idea. We could consider doing this additional step if we continue to see 
CI resource shortage after applying the ready-to-test solution.

btw. We should fix the Pulsarbot workflow to assign a sufficient token to the 
workflow 
without using Penghui's personal token. The feature was announced in 04/2021: 
https://github.blog/changelog/2021-04-20-github-actions-control-permissions-for-github_token/
Penghui's personal token should be removed from apache/pulsar GitHub Actions 
workflows.

-Lari

On 2022/09/15 09:26:06 tison wrote:
> One more comment: you should take `/pulsarbot run-failure-checks` into
> consideration. It's now triggered by any actors and signals a rerun on
> behalf of @codelipenghui. Following your proposal I suggest this manner
> should be restricted also. And it actually means that our committers should
> be more actively handling PRs.
> 
> Best,
> tison.
> 
> 
> tison <wander4...@gmail.com> 于2022年9月15日周四 17:22写道:
> 
> > Hi Lari,
> >
> > Thanks for starting this discussion. The overall proposal looks good and
> > it's really great that you can spend some time on such a significant
> > infrastructure.
> >
> > One comment here is that we can start with all "authorized" users to
> > trigger the CI in the committer group instead of introducing a new concept
> > "reviewer" - it will be another topic to discuss and I generally prefer
> > more committership to encourage participation instead of a complicated
> > membership structure.
> >
> > Besides, a quick fixup for reducing traffic is setting "Fork pull request
> > workflows from outside collaborators" option[1] as "Require approval for
> > all outside collaborators". This is provided out-of-the-box by GitHub and
> > requires NO development[2]. Although it doesn't restrict people who are
> > already apache org members but are not Pulsar committers, I believe the
> > trust level is acceptable. An INFRA team member will be asked to perform
> > the settings change if we want this.
> >
> > Best,
> > tison.
> >
> > [1] https://github.com/apache/pulsar/settings/actions
> > [2]
> > https://docs.github.com/en/actions/managing-workflow-runs/approving-workflow-runs-from-public-forks
> >
> >
> > Lari Hotari <lhot...@apache.org> 于2022年9月15日周四 16:36写道:
> >
> >> Hi all,
> >>
> >> The GitHub Actions based Pulsar CI has been experiencing issues for
> >> multiple weeks. The condition is currently better, but the resource
> >> shortage issue remains. CI builds will take a long time to complete even
> >> after many optimizations have been made.
> >>
> >> There's a long email thread with some details about the past issues:
> >> https://lists.apache.org/thread/p7rb04vf1mt0kk3v2r7xl9dvb3zkhtxf
> >>
> >> I have filed an issue to GitHub support about the CI issues over a week
> >> ago, and I finally received an answer a few hours ago. However the
> >> GitHub support person didn't reply to my questions at all, but instead
> >> suggested that there's a beta program where it's possible to pay for
> >> more resources. That solution isn't suitable for our case, since it
> >> doesn't seem to be possible to assign GitHub Actions Runner VM resources
> >> only for a specific Apache project. I'll follow up with GitHub support,
> >> but
> >> I don't expect that to resolve our problems in the near term. We need
> >> to make changes in our CI resource consumption.
> >>
> >> In a the-asf Slack thread [1] about Pulsar CI issues, Martin Grigorov
> >> suggested: "Apache Spark project requires that all PRs are executed in
> >> the contributor's GHA quota. Maybe Pulsar can do the same ?!"
> >>
> >> The Apache Spark contributing guide contains details about this in the
> >> "Pull request" section, https://spark.apache.org/contributing.html .
> >>
> >> "Before creating a pull request in Apache Spark, it is important to
> >> check if tests can pass on your branch because our GitHub Actions
> >> workflows automatically run tests for your pull request/following
> >> commits and every run burdens the limited resources of GitHub Actions in
> >> Apache Spark repository. "
> >>
> >> In Pulsar, we will need to do the same. As a solution to this, Tison
> >> suggested that we would not run all tests for the PR unless there's a
> >> "ready-to-test" label on the PR.
> >>
> >> I think this is a good suggestion. We could extend the existing
> >> "pulsarbot" to help with the automation.
> >>
> >> A reviewer could comment "/pulsarbot ready-to-test" on the PR and
> >> pulsarbot would add the label and also restart the CI workflow to make
> >> it proceed and run the tests.
> >> pulsarbot would check for authorized users. One simple
> >> approach would be to add a file ".pulsarci.yaml" in apache/pulsar
> >> repository with the relevant information:
> >>
> >> committer_github_ids:
> >>   - committer1
> >>   - committer2
> >>   ...
> >>
> >> ready_to_test:
> >>   authorized_github_ids:
> >>     - userid1
> >>     - userid2
> >>     ...
> >>
> >> We would have a script to synchronize all Pulsar committers to this file
> >> peridiotically (manual step after there's a new committer). ASF provides
> >> public json files for project members at
> >> https://whimsy.apache.org/public/public_ldap_projects.json , however the
> >> mapping to github user names seems to be missing. That could be done
> >> with a custom script since ASF LDAP contains the github username.
> >>
> >> All Pulsar committers would have access. In addition, there could be other
> >> users that are authorized for using "/pulsarbot ready-to-test".
> >>
> >> This solution would also require changes in the GitHub Actions workflows
> >> so that the workflow is failed in an early step unless there's a
> >> ready-to-test label for the PR.
> >>
> >> With the above solution, we would be able to cut the amount of
> >> unnecessary builds and get the excessive resource consumption issue
> >> under control. The PR authors would be instructed to run initial PR
> >> builds in their own fork and the reviewer should check that this is done
> >> before approving the PR for testing with "/pulsarbot ready-to-test".
> >>
> >> I would suggest proceeding quickly on this matter without separate PIPs
> >> or votes. We could follow the Apache lazy consensus
> >> (https://community.apache.org/committers/lazyConsensus.html) principle
> >> and make this happen if there aren't objections in the next 72 hours.
> >> The improvement suggestions to this proposal would obviously be taken
> >> into account and if someone objects, we wouldn't have reached lazy
> >> consensus and we wouldn't proceed.
> >>
> >> -Lari
> >>
> >>
> >> 1 -
> >> https://the-asf.slack.com/archives/CBX4TSBQ8/p1661849820238809?thread_ts=1661512133.913279&cid=CBX4TSBQ8
> >>
> >
> 

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