Hi, that's correct. But as stated previously, it's not an option to remove
the hook. For now, I'd like to see how the system behaves while it's
optional. Later on, we can talk about revisiting this decision. But to me
it's not an option to deploy an entirely new system and approach without
having a transition or even a timeframe in which we are able to fall back.

I'm happy to support the deployment of the bot and add an additional
webhook to enable it's functionality to support selective triggering by PR
authors and committers, but I will not support the disabling of automatic
triggering of branches or PRs.

-Marco

Chaitanya Bapat <chai.ba...@gmail.com> schrieb am Mi., 18. März 2020, 21:00:

> Hey Marco,
>
> I thought currently every commit on PR and master triggers CI
> because
> a. github webhook points to Jenkins Server
> b. GH Webhook events trigger builds on Jenkins for all commits to any
> branch in apache/incubator-mxnet
> may it be master/PR/non-PR
> Reason:
> Because all the 3 types of branches are discovered by Jenkins (non-PR
> (including master) and PR)
>
> Proposal: Remove GitHub WebHook to Jenkins and replace with GH Webhook to
> Lambda
> But after I remove the github webhook that points to Jenkins : *N**o commit
> will trigger Jenkins build by default* (as Jenkins wont receive GH events)
> Only those that Bot deems fit will be triggered (using Jenkins API invoked
> by Lambda).
> Hence its needed to handle that case of master merge.
> Am I understanding this correctly?
>
> On Wed, 18 Mar 2020 at 04:23, Marco de Abreu <marco.g.ab...@gmail.com>
> wrote:
>
> > Thanks Chai, sounds good to me. Could you elaborate a bit on the point
> > about triggering a CI run after the PR has been merged? We already to
> that
> > automatically for the master, so what's the benefit to do it twice?
> >
> > -Marco
> >
> > Chaitanya Bapat <chai.ba...@gmail.com> schrieb am Mi., 18. März 2020,
> > 09:30:
> >
> > > Update:
> > >
> > > >  we can ensure that all CI runs ran on the commit that will be merged
> > > @Sam Skalicky <samskali...@gmail.com> Branch Protection is added to
> > public
> > > MXNet repo. It ensures that for every PR to be merged, the CI passes.
> All
> > > the jobs selected "required" jobs will have to be green for the PR to
> be
> > > merged. Ofcourse, users with "Adminstrator" access can merge without it
> > but
> > > that's just a backdoor. It is the case now and will continue to be the
> > case
> > > with the inclusion of Bot.
> > >
> > > > easily verify that the CI has executed all runs on the commit that
> will
> > > be merged
> > > GitHub UI shows all the jobs and the status corresponding to it on
> every
> > > commit. That should suffice. For the merged commits, Repo -> Commits ->
> > > Commit ID (Status) can be tracked currently (only way that I know of).
> > > Moreover, it is beyond the scope of this project (and possibly out of
> our
> > > control since this is purely GitHub UI specific use-case).
> > >
> > > Thanks @przemyslaw for supporting the opt-in.
> > >
> > > Thanks everyone in the community for sharing concerns, voicing your
> > opinion
> > > and participating in the discussion.
> > > Thanks to those who attended the demo last Friday.
> > >
> > > Action items from that discussion
> > > 1. Handle master merge builds [Done]
> > > Bot runs entire CI suite after the PR is merged and comments on the PR
> > > about the same.
> > > Design decision :
> > > MXNet Bot comment about master merge build on the *merge commit vs PR*.
> > > After the PR is merged, Bot runs entire CI and comments the result of
> CI
> > > trigger on the PR (because it is easy to track on a PR rather than
> > > commenting inside the merge commit)
> > >
> > > 2. Idempotent condition
> > > In case of already running build, if an attempt is made to retrigger
> the
> > > job then what should be the response
> > > a. Not to re-trigger, let the ongoing build continue till completion
> > > b. End the ongoing build and re-trigger
> > > c. Let the ongoing build continue, re-trigger new build
> > >
> > > From resource saving point of view, *c* looks costly and a can be
> > > avoided/optimized by B.
> > > In case when a re-trigger was started "erroneously" then killing
> ongoing
> > > build and re-trigger is a waste.
> > > In case when ongoing build failed in one sub-part, then re-triggering
> is
> > > justified.
> > > Erroneous re-triggers would be less often while conscious re-triggers
> to
> > > suppress failure is more common use-case. It looks like a safe
> assumption
> > > to make given the trade-off.
> > > [Open to debate]
> > >
> > > 3. Add security consideration [Use of secret manager, but without
> > > auto-rotation due to Jenkins manual config requirement] [Done]
> > > 4. New PR Instruction message by the Bot [Done]
> > > Thanks to the suggestion of Leonard, supported by others. I've now
> added
> > > the feature where the Bot comments a help message. [For reference -
> > > https://github.com/ChaiBapchya/incubator-mxnet/pull/52]
> > >
> > > Barring the opt-in vs opt-out debate & idempotency, consensus was
> quickly
> > > reached for the rest.
> > >
> > > In the coming days, I hope to roll-out this feature into Prod (public
> > > MXNet) for all devs to use.
> > >
> > > Thanks,
> > > Chai
> > >
> > > On Mon, 16 Mar 2020 at 11:57, Marco de Abreu <marco.g.ab...@gmail.com>
> > > wrote:
> > >
> > > > Well that's generally a problem with a deferred CI approach (CI is
> run
> > at
> > > > commit and not at merge time). This can either be solved through the
> > > other
> > > > proposal that's currently on dev@, by having a bot which does merges
> > by
> > > > having a global lock and a merge queue or by accepting the issue.
> > Reality
> > > > right now is that we're running that model where two PRs which are
> > merged
> > > > in parallel might break one another. One thing to consider though is
> > that
> > > > this breakage would have to be introduced in two separate parts since
> > > > otherwise there'd be merge conflicts. I think we had that situation
> > twice
> > > > so far and the result was a quick revert, so I'd say that it's a
> > problem
> > > > that can happily be accepted. All other solutions basically require
> > some
> > > > form of single-threaded and globally locked solution which limits us
> in
> > > > scalability. I'd recommend to just accept that risk and revert a PR
> in
> > > case
> > > > it actually had a conflict.
> > > >
> > > > -Marco
> > > >
> > > > On Mon, Mar 16, 2020 at 6:29 PM Skalicky, Sam
> > <sska...@amazon.com.invalid
> > > >
> > > > wrote:
> > > >
> > > > > We probably need some way to track which CI runs ran for which
> commit
> > > > too,
> > > > > that way we can ensure that all CI runs ran on the commit that will
> > be
> > > > > merged.  Maybe the bot can comment with the commit hash when users
> > > > command
> > > > > it to do something. Although since users can trigger individual CI
> > runs
> > > > its
> > > > > possible to have some commits run some CI runs but not others. We
> > need
> > > > some
> > > > > way to easily verify that the CI has executed all runs on the
> commit
> > > that
> > > > > will be merged.
> > > > >
> > > > > Sam
> > > > >
> > > > > > On Mar 13, 2020, at 8:28 PM, Przemysław Trędak <
> ptre...@apache.org
> > >
> > > > > wrote:
> > > > > >
> > > > > > CAUTION: This email originated from outside of the organization.
> Do
> > > not
> > > > > click links or open attachments unless you can confirm the sender
> and
> > > > know
> > > > > the content is safe.
> > > > > >
> > > > > >
> > > > > >
> > > > > > I personally like the idea of opt-in more than opt-out:
> > > > > > - ultimately PR author wants the PR to be merged so they (or
> > > committer
> > > > > reviewing the PR) will trigger the CI
> > > > > > - if it is easy to trigger the PR via the bot command then the
> > amount
> > > > of
> > > > > work per PR should be less than with opt-out (since most of the
> > commits
> > > > > should then be marked as [skip ci] or something similar
> > > > > >
> > > > > > +1 to the bot making a comment on each new PR with its commands
> > (and
> > > > > also explaining, or at least giving links to the general PR process
> > so
> > > > new
> > > > > PR authors are not lost). Maybe we could make the bot recognize if
> > the
> > > PR
> > > > > author is new or existing contributor and offer advice based on
> that?
> > > > > >
> > > > > > Thanks
> > > > > > Przemek
> > > > > >
> > > > > > On 2020/03/13 22:06:58, Marco de Abreu <marco.g.ab...@gmail.com>
> > > > wrote:
> > > > > >> Hi,
> > > > > >>
> > > > > >> since it's no longer necessary to push a new commit to trigger
> CI,
> > > it
> > > > > will
> > > > > >> already reduce the costs. But to me, requiring an action to
> enable
> > > CI
> > > > > after
> > > > > >> a PR has been created initially, is a no go. User can opt out of
> > CI,
> > > > but
> > > > > >> the default has to be CI being triggered automatically for every
> > > > commit
> > > > > >> unless specifically disabled by a participant. I'm also fine
> with
> > > > > >> triggering certain additional jobs (think about running a
> nightly
> > > job
> > > > > upon
> > > > > >> request for a PR) to require a manual step, but the PR
> validation
> > > > > pipelines
> > > > > >> have to run automatically. Every check that is marked as
> > "Required"
> > > in
> > > > > >> GitHub has to be automatically kicked off.
> > > > > >>
> > > > > >> -Marco
> > > > > >>
> > > > > >> On Fri, Mar 13, 2020 at 9:50 PM Chaitanya Bapat <
> > > chai.ba...@gmail.com
> > > > >
> > > > > >> wrote:
> > > > > >>
> > > > > >>> Firstly,
> > > > > >>> Sorry I missed out on attaching the mail thread that was sent
> on
> > > 12th
> > > > > >>> February for notifying the community of the upcoming changes to
> > the
> > > > > MXNet
> > > > > >>> CI
> > > > > >>> For reference :
> > > > > >>>
> > > > > >>>
> > > > >
> > > >
> > >
> >
> https://lists.apache.org/thread.html/r09a6ab2803a996fc80e00fe39ed312fa4865e8805e08df847f1addad%40%3Cdev.mxnet.apache.org%3E
> > > > > >>>
> > > > > >>> Now to the questions,
> > > > > >>>> Is it possible for re-triggering a single job to be abused?
> > > > > >>> @Tao In the case when a user re-triggers a single job multiple
> > > times,
> > > > > that
> > > > > >>> will be visible in the PR conversation thread. A committer,
> even
> > > > after
> > > > > he
> > > > > >>> has approved the PR before, generally takes a look at the final
> > > state
> > > > > of
> > > > > >>> the PR before merging. Would it be fair to assume the committer
> > > could
> > > > > take
> > > > > >>> the multiple re-trigger of a single job into account before
> > > merging?
> > > > > The
> > > > > >>> committer then has the option to invoke `@mxnet-bot run ci
> [all]
> > `
> > > to
> > > > > >>> trigger the entire build pipeline one last to counter the
> abuse.
> > > This
> > > > > is
> > > > > >>> aligned with what @Leonard said.
> > > > > >>>
> > > > > >>> @Sandeep Thanks a lot for collecting and sharing valuable data.
> > I'd
> > > > > concur
> > > > > >>> with the opinion that given the existing things committers & PR
> > > > Authors
> > > > > >>> take care of, invoking CI shouldn't be that big of an
> additional
> > > > > burden.
> > > > > >>>
> > > > > >>> @Marco With the opt-out, the onus remains on the PR Author. It
> > > > doesn't
> > > > > help
> > > > > >>> reduce the resource usage. Hence, it was suggested to switch to
> > > > > >>> opt-in. @Leo's suggestion for proactive commenting on the part
> of
> > > bot
> > > > > makes
> > > > > >>> sense and is doable.
> > > > > >>>
> > > > > >>> Default : opt-out and User initiated opt-in (with addressing
> > Leo's
> > > > fix
> > > > > for
> > > > > >>> the usability issue you correctly pointed out )
> > > > > >>> @Marco How does this sound to you?
> > > > > >>>
> > > > > >>> Again, thank you all for chiming in and voicing your opinion.
> > > > > Appreciate
> > > > > >>> it.
> > > > > >>> We can take ahead these discussions in today's demo meeting.
> > > [Design
> > > > > Doc
> > > > > >>> <
> https://cwiki.apache.org/confluence/display/MXNET/MXNet+CI+Bot
> > >]
> > > > > [Demo
> > > > > >>> Video <https://www.youtube.com/watch?v=gfOGwZId8aU>]
> > > > > >>>
> > > > > >>> Thanks,
> > > > > >>> Chai
> > > > > >>>
> > > > > >>> On Fri, 13 Mar 2020 at 12:34, Marco de Abreu <
> > > > marco.g.ab...@gmail.com>
> > > > > >>> wrote:
> > > > > >>>
> > > > > >>>> I'd recommend that the bot makes an initial comment when a PR
> > gets
> > > > > opened
> > > > > >>>> and informs the users of its commands. It then tells the user
> > the
> > > > > commend
> > > > > >>>> to opt out of CI.
> > > > > >>>>
> > > > > >>>> -Marco
> > > > > >>>>
> > > > > >>>> Lausen, Leonard <lau...@amazon.com.invalid> schrieb am Fr.,
> 13.
> > > > März
> > > > > >>> 2020,
> > > > > >>>> 20:27:
> > > > > >>>>
> > > > > >>>>> On opt-out: People may be unaware of opt-out would not use
> it.
> > > > There
> > > > > is
> > > > > >>>> no
> > > > > >>>>> incentive to use opt-out, as the PR author doesn't pay any
> > money
> > > > for
> > > > > CI
> > > > > >>>>> run.
> > > > > >>>>>
> > > > > >>>>> I agree with Marco though that opt-in alone may cause
> usability
> > > > > issues,
> > > > > >>>> as
> > > > > >>>>> contributors may not be aware of how to trigger the CI.
> > > > > >>>>> One solution is that the bot proactively comments on the PR
> and
> > > > > reminds
> > > > > >>>> the
> > > > > >>>>> author to trigger running CI once the author deems the PR
> > ready.
> > > > > >>>>>
> > > > > >>>>> But even if we choose opt-out, the bot will still add a lot
> of
> > > > value,
> > > > > >>> as
> > > > > >>>> PR
> > > > > >>>>> authors can retrigger single jobs that have failed due to
> > > > flakiness.
> > > > > >>>>>
> > > > > >>>>>> Is it possible for re-triggering a single job to be abused?
> > For
> > > > > >>>> example,
> > > > > >>>>>> the author spends two days re-triggering a flaky job to make
> > it
> > > > > pass.
> > > > > >>>>>
> > > > > >>>>> Yes, this is possible. I suggest the committer who likes to
> > > merge a
> > > > > PR
> > > > > >>>>> needs to
> > > > > >>>>> make a good judgement here if a PR is abusing the feature,
> and
> > if
> > > > so,
> > > > > >>>>> retrigger
> > > > > >>>>> all CI runs.
> > > > > >>>>>
> > > > > >>>>> Best regards
> > > > > >>>>> Leonard
> > > > > >>>>>
> > > > > >>>>> On Fri, 2020-03-13 at 08:07 +0100, Marco de Abreu wrote:
> > > > > >>>>>> Thanks for the data Sandeep. In these cases it sounds like
> it
> > > > would
> > > > > >>>> have
> > > > > >>>>>> rather been better when people explicitly turned off CI in
> > that
> > > > > case.
> > > > > >>>>>> What's the argument against an opt-out instead of an opt-in?
> > > > > >>>>>>
> > > > > >>>>>> My intention is that I consider it quite cumbersome to make
> > it a
> > > > > >>>>> *required*
> > > > > >>>>>> step to always trigger CI manually, even if just submitting
> a
> > > > small
> > > > > >>> PR.
> > > > > >>>>> I'd
> > > > > >>>>>> rather see people explicitly turning off CI if they wouldn't
> > > like
> > > > to
> > > > > >>>> use
> > > > > >>>>> it
> > > > > >>>>>> - and there's also the "draft" stage for a PR which some
> > > > > contributors
> > > > > >>>> are
> > > > > >>>>>> using.
> > > > > >>>>>>
> > > > > >>>>>> With regards to WIP and do not review: I think these are use
> > > cases
> > > > > >>>> where
> > > > > >>>>>> you want CI feedback, as otherwise you wouldn't have opened
> > the
> > > > PR.
> > > > > >>> If
> > > > > >>>>> you
> > > > > >>>>>> don't want human feedback and neither machine feedback, why
> > open
> > > > the
> > > > > >>> PR
> > > > > >>>>> at
> > > > > >>>>>> all?
> > > > > >>>>>>
> > > > > >>>>>> -Marco
> > > > > >>>>>>
> > > > > >>>>>>
> > > > > >>>>>> sandeep krishnamurthy <sandeep.krishn...@gmail.com> schrieb
> > am
> > > > Fr.,
> > > > > >>>> 13.
> > > > > >>>>>> März 2020, 05:24:
> > > > > >>>>>>
> > > > > >>>>>>> I tried to gather some data for us to discuss this topic in
> > > this
> > > > > >>>>> thread. I
> > > > > >>>>>>> tried to count number of un-necessary builds by looking at
> > most
> > > > > >>>> recent
> > > > > >>>>> (as
> > > > > >>>>>>> of 12, March 9 PM PST) 50 PRs merged to master and 50 PRs.
> > > > > >>>>>>> Identifying un-necessary builds is bit subjective. I tried
> to
> > > be
> > > > > >>> more
> > > > > >>>>>>> conservative where I didn't count a build as un-necessary
> if
> > I
> > > > was
> > > > > >>> in
> > > > > >>>>>>> doubt. Hence, I was not able to automate, but I made an
> > effort
> > > to
> > > > > >>> go
> > > > > >>>>>>> through PRs manually and use below criteria to identify
> > > > > >>> un-necessary
> > > > > >>>>>>> commits triggering the builds.
> > > > > >>>>>>>
> > > > > >>>>>>>   1. Explicitly marked as WIP / do not review  PR
> > > > > >>>>>>>   2. Incremental WIP commit and finally commenting a commit
> > > > > >>> “trigger
> > > > > >>>>> CI”
> > > > > >>>>>>>   3. Multiple commits to address all comments from single
> > > review.
> > > > > >>>>> This is
> > > > > >>>>>>>   assuming we see a comment, address them, commit, next the
> > > > > >>>> following
> > > > > >>>>>>> comment
> > > > > >>>>>>>   4. Sequence of documentation only changes
> > > > > >>>>>>>
> > > > > >>>>>>> I found there were around 42 avoidable builds from most
> > recent
> > > 50
> > > > > >>>>> merged
> > > > > >>>>>>> PRs and around 86 builds from recent 50 open PRs.
> > > > > >>>>>>>
> > > > > >>>>>>> I synced up with other contributors (Joe Evans, Chai) from
> > > Amazon
> > > > > >>> who
> > > > > >>>>> is
> > > > > >>>>>>> contributing to MXNet CI system. I was told that on an
> > average
> > > it
> > > > > >>>> costs
> > > > > >>>>>>> around $84 per build and on an average 6 commits per merged
> > PR
> > > > (for
> > > > > >>>>> year
> > > > > >>>>>>> 2019). Going by that, it is approximately 1/6 builds are
> > > > avoidable.
> > > > > >>>>> [100 /
> > > > > >>>>>>> 300 + 300 ]
> > > > > >>>>>>>
> > > > > >>>>>>>
> > > > > >>>>>>> Usability should be top most priority. But, since either a
> > > > reviewer
> > > > > >>>> or
> > > > > >>>>> pr
> > > > > >>>>>>> author can trigger the bot, is it really a hurdle for pr
> > author
> > > > or
> > > > > >>>>> reviewer
> > > > > >>>>>>> to call a bot to trigger CI? Given that PR author and
> > reviewer
> > > is
> > > > > >>>>> already
> > > > > >>>>>>> actively commenting various details such as - PR
> description,
> > > > > >>> review
> > > > > >>>>>>> comments and responses, adding labels etc.
> > > > > >>>>>>>
> > > > > >>>>>>>
> > > > > >>>>>>> Me too curious to know the behavior for Tao's above use
> case.
> > > > > >>>>>>>
> > > > > >>>>>>>
> > > > > >>>>>>> Best,
> > > > > >>>>>>>
> > > > > >>>>>>> Sandeep
> > > > > >>>>>>>
> > > > > >>>>>>> On Thu, Mar 12, 2020 at 7:18 PM Tao Lv <mutou...@gmail.com
> >
> > > > wrote:
> > > > > >>>>>>>
> > > > > >>>>>>>> Is it possible for re-triggering a single job to be
> abused?
> > > For
> > > > > >>>>> example,
> > > > > >>>>>>>> the author spends two days re-triggering a flaky job to
> make
> > > it
> > > > > >>>>> pass. But
> > > > > >>>>>>>> other jobs which have passed the validation may be broken
> by
> > > > > >>> other
> > > > > >>>>>>> commits
> > > > > >>>>>>>> during the two day without being noticed. And finally the
> PR
> > > is
> > > > > >>>>> merged
> > > > > >>>>>>> with
> > > > > >>>>>>>> underlying problems.
> > > > > >>>>>>>>
> > > > > >>>>>>>> On Fri, Mar 13, 2020 at 6:19 AM Marco de Abreu <
> > > > > >>>>> marco.g.ab...@gmail.com>
> > > > > >>>>>>>> wrote:
> > > > > >>>>>>>>
> > > > > >>>>>>>>> In the end it only comes down to money, considering that
> > the
> > > > > >>>>> system is
> > > > > >>>>>>>> auto
> > > > > >>>>>>>>> scaling, making the execution time constant.
> > > > > >>>>>>>>>
> > > > > >>>>>>>>> If we're trading money for usability, I certainly would
> > > prefer
> > > > > >>>>>>> usability.
> > > > > >>>>>>>>> I'd rather recommend to spend time on parallelizing test
> > > > > >>>> execution
> > > > > >>>>> or
> > > > > >>>>>>>>> getting rid of integration tests in the PR stage instead
> > > > > >>> reducing
> > > > > >>>>> the
> > > > > >>>>>>>> costs
> > > > > >>>>>>>>> by making people not use it. But taking a step back to
> > > > > >>> requiring
> > > > > >>>>> people
> > > > > >>>>>>>> to
> > > > > >>>>>>>>> manually trigger CI again doesn't feel right.
> > > > > >>>>>>>>>
> > > > > >>>>>>>>> I'm happy to see that bot deployed, but I do not agree
> with
> > > > > >>>>> removing
> > > > > >>>>>>> the
> > > > > >>>>>>>>> auto trigger functionality for new commits.
> > > > > >>>>>>>>>
> > > > > >>>>>>>>> -Marco
> > > > > >>>>>>>>>
> > > > > >>>>>>>>> Chaitanya Bapat <chai.ba...@gmail.com> schrieb am Do.,
> 12.
> > > > > >>> März
> > > > > >>>>> 2020,
> > > > > >>>>>>>>> 22:47:
> > > > > >>>>>>>>>
> > > > > >>>>>>>>>> @Marco Thanks for pointing that out.
> > > > > >>>>>>>>>> Tomorrow i.e. Friday, March 13, 2020 at 3:00 PM - 3:30
> PM
> > in
> > > > > >>>>>>>> (UTC-08:00)
> > > > > >>>>>>>>>> Pacific Time (US & Canada).
> > > > > >>>>>>>>>>
> > > > > >>>>>>>>>>> When do we expect this bot to be deployed?
> > > > > >>>>>>>>>> @Lin If all goes well in the next week I can deploy it
> to
> > > > > >>>> public
> > > > > >>>>>>> Apache
> > > > > >>>>>>>>>> (provided I get permissions from Apache Infra)
> > > > > >>>>>>>>>>
> > > > > >>>>>>>>>> @Marco Thanks for your feedback.
> > > > > >>>>>>>>>>> CI system has to support the community without
> requiring
> > > > > >>>>> people to
> > > > > >>>>>>>>>> constantly shepherd every single run
> > > > > >>>>>>>>>> We have data for the number of times CI was triggered
> > > > > >>>>> unnecessarily
> > > > > >>>>>>>> which
> > > > > >>>>>>>>>> includes
> > > > > >>>>>>>>>> - Entire build triggered instead of specific build
> > > > > >>>>>>>>>> - CI triggered when PR is still work in progress or not
> > yet
> > > > > >>>> ready
> > > > > >>>>>>> (say
> > > > > >>>>>>>> -
> > > > > >>>>>>>>>> intermediate commits)
> > > > > >>>>>>>>>> At the end its a trade-off
> > > > > >>>>>>>>>> Money, Resources, Time to build for each and every
> commit
> > vs
> > > > > >>>>> Pain of
> > > > > >>>>>>>>>> triggering builds
> > > > > >>>>>>>>>>
> > > > > >>>>>>>>>>
> > > > > >>>>>>>>>>> Scan trigger plugin would poll SCM. Can we use plugin
> at
> > > > > >>>>> scale?
> > > > > >>>>>>>>>>
> > > > > >>>>>>>>>> 1. I haven't tested it on scale. But I think with the
> > > current
> > > > > >>>>> scale
> > > > > >>>>>>> of
> > > > > >>>>>>>>>> MXNet repo (191 open PRs i.e. checking for changes to
> 191
> > > > > >>>>> branches -
> > > > > >>>>>>> It
> > > > > >>>>>>>>>> should be manageable)
> > > > > >>>>>>>>>> 2. What's the purpose of the plugin? tldr; Branch
> > discovery
> > > > > >>> or
> > > > > >>>>> branch
> > > > > >>>>>>>>>> indexing.
> > > > > >>>>>>>>>> Scan trigger plugin comes into the picture only once per
> > PR
> > > > > >>> per
> > > > > >>>>> job
> > > > > >>>>>>>>> (i.e. 8
> > > > > >>>>>>>>>> times per PR for 8 jobs). It is basically done when a
> new
> > PR
> > > > > >>> is
> > > > > >>>>> made
> > > > > >>>>>>>> and
> > > > > >>>>>>>>>> the job (say unix-cpu hasn't discovered the new PR
> branch
> > > > > >>> yet).
> > > > > >>>>>>> That's
> > > > > >>>>>>>>> it.
> > > > > >>>>>>>>>> So it shouldn't be a problem for public MXNet repo.
> > > > > >>>>>>>>>>
> > > > > >>>>>>>>>> Thanks,
> > > > > >>>>>>>>>> Chai
> > > > > >>>>>>>>>>
> > > > > >>>>>>>>>>
> > > > > >>>>>>>>>> On Thu, 12 Mar 2020 at 14:22, Marco de Abreu <
> > > > > >>>>>>> marco.g.ab...@gmail.com>
> > > > > >>>>>>>>>> wrote:
> > > > > >>>>>>>>>>
> > > > > >>>>>>>>>>> Btw you forgot to set a date and time for the metting
> > > > > >>>>>>>>>>>
> > > > > >>>>>>>>>>>
> > > > > >>>>>>>>>>> On Thu, Mar 12, 2020 at 10:18 PM Marco de Abreu <
> > > > > >>>>>>>>> marco.g.ab...@gmail.com
> > > > > >>>>>>>>>>> wrote:
> > > > > >>>>>>>>>>>
> > > > > >>>>>>>>>>>> Thanks Chai, I generally like the idea of the bot. But
> > > > > >>> I'm
> > > > > >>>>> not a
> > > > > >>>>>>>>>>> supporter
> > > > > >>>>>>>>>>>> of the idea to disable any automatic triggering
> > > > > >>> (disabling
> > > > > >>>>> the
> > > > > >>>>>>>>> webhook
> > > > > >>>>>>>>>> is
> > > > > >>>>>>>>>>>> also not an option, considering that this will disable
> > > > > >>>> master
> > > > > >>>>>>>>>> triggers).
> > > > > >>>>>>>>>>>> The CI system has to support the community without
> > > > > >>>> requiring
> > > > > >>>>>>> people
> > > > > >>>>>>>>> to
> > > > > >>>>>>>>>>>> constantly shepherd every single run. Disabling
> > automatic
> > > > > >>>>>>>> triggering
> > > > > >>>>>>>>>>> seems
> > > > > >>>>>>>>>>>> like a step back to me.
> > > > > >>>>>>>>>>>>
> > > > > >>>>>>>>>>>> Instead, I'd recommend that CI gets triggered upon
> every
> > > > > >>>>> commit
> > > > > >>>>>>> as
> > > > > >>>>>>>>>> usual,
> > > > > >>>>>>>>>>>> but people have the possibility to call a "command"
> > (i.e.
> > > > > >>>>> make a
> > > > > >>>>>>>>>> message
> > > > > >>>>>>>>>>>> which results in the bot setting a label) to disable
> CI
> > > > > >>>> until
> > > > > >>>>>>> they
> > > > > >>>>>>>>>> revoke
> > > > > >>>>>>>>>>>> it. But the standard should still be that a new commit
> > > > > >>>>> triggers a
> > > > > >>>>>>>> new
> > > > > >>>>>>>>>> CI
> > > > > >>>>>>>>>>>> run.
> > > > > >>>>>>>>>>>>
> > > > > >>>>>>>>>>>>
> > > > > >>>> https://plugins.jenkins.io/multibranch-scan-webhook-trigger/
> > > > > >>>>>>>> seems
> > > > > >>>>>>>>>> like
> > > > > >>>>>>>>>>>> this would poll SCM. This will incur high quota
> > > > > >>>>> restrictions. Are
> > > > > >>>>>>>> you
> > > > > >>>>>>>>>>> sure
> > > > > >>>>>>>>>>>> that you can use that plugin at scale?
> > > > > >>>>>>>>>>>>
> > > > > >>>>>>>>>>>> -Marco
> > > > > >>>>>>>>>>>>
> > > > > >>>>>>>>>>>>
> > > > > >>>>>>>>>>>> On Thu, Mar 12, 2020 at 10:04 PM Lin Yuan <
> > > > > >>>>> apefor...@gmail.com>
> > > > > >>>>>>>>> wrote:
> > > > > >>>>>>>>>>>>> Chai,
> > > > > >>>>>>>>>>>>>
> > > > > >>>>>>>>>>>>> Awesome work. When do we expect this bot to be
> > > > > >>> deployed?
> > > > > >>>>>>>>>>>>>
> > > > > >>>>>>>>>>>>> Best,
> > > > > >>>>>>>>>>>>>
> > > > > >>>>>>>>>>>>> Lin
> > > > > >>>>>>>>>>>>>
> > > > > >>>>>>>>>>>>> On Thu, Mar 12, 2020 at 2:00 PM Chaitanya Bapat <
> > > > > >>>>>>>>> chai.ba...@gmail.com
> > > > > >>>>>>>>>>>>> wrote:
> > > > > >>>>>>>>>>>>>
> > > > > >>>>>>>>>>>>>> Hello MXNet community,
> > > > > >>>>>>>>>>>>>>
> > > > > >>>>>>>>>>>>>> I have built an MXNet Bot <
> > > > > >>>> https://github.com/mxnet-bot>
> > > > > >>>>> that
> > > > > >>>>>>>>>> allows
> > > > > >>>>>>>>>>> PR
> > > > > >>>>>>>>>>>>>> Authors, Committers and Jenkins Admins to trigger CI
> > > > > >>>>> manually.
> > > > > >>>>>>>>>>>>>> It handles 2 problems
> > > > > >>>>>>>>>>>>>> 1. Manual CI trigger instead of existing automated
> CI
> > > > > >>>>> trigger
> > > > > >>>>>>>>>>>>>> 2. Gives permissions to PR Authors (in addition to
> > > > > >>>> MXNet
> > > > > >>>>>>>>> Committers
> > > > > >>>>>>>>>>> and
> > > > > >>>>>>>>>>>>>> Jenkins Admins)
> > > > > >>>>>>>>>>>>>>
> > > > > >>>>>>>>>>>>>> Design Doc :
> > > > > >>>>>>>>>>>>>>
> > > > > >>>>>>>
> > https://cwiki.apache.org/confluence/display/MXNET/MXNet+CI+Bot
> > > > > >>>>>>>>>>>>>> I urge you all to attend the demonstration meeting
> > > > > >>> and
> > > > > >>>>> lend
> > > > > >>>>>>> your
> > > > > >>>>>>>>>> views
> > > > > >>>>>>>>>>>>> on
> > > > > >>>>>>>>>>>>>> the same.
> > > > > >>>>>>>>>>>>>>
> > > > > >>>>>>>>>>>>>> Thank you,
> > > > > >>>>>>>>>>>>>> Chai
> > > > > >>>>>>>>>>>>>>
> > > > > >>>>>>>>>>>>>> *Meeting Details*:
> > > > > >>>>>>>>>>>>>> ==============Conference Bridge
> > > > > >>>> Information==============
> > > > > >>>>>>>>>>>>>> You have been invited to an online meeting, powered
> > > > > >>> by
> > > > > >>>>> Amazon
> > > > > >>>>>>>>> Chime.
> > > > > >>>>>>>>>>>>>> *Chime meeting ID*: *9272158344*
> > > > > >>>>>>>>>>>>>> Join via Chime clients (manually): Select 'Meetings
> >
> > > > > >>>>> Join a
> > > > > >>>>>>>>>> Meeting',
> > > > > >>>>>>>>>>>>> and
> > > > > >>>>>>>>>>>>>> enter 9272158344
> > > > > >>>>>>>>>>>>>> Join via Chime clients (auto-call): If you invite
> > > > > >>>>> auto-call as
> > > > > >>>>>>>>>>> attendee,
> > > > > >>>>>>>>>>>>>> Chime will call you when the meeting starts, select
> > > > > >>>>> 'Answer'
> > > > > >>>>>>>>>>>>>> *Join via browser screen share*:
> > > > > >>>>> https://chime.aws/9272158344
> > > > > >>>>>>>>>>>>>> *Join via phone* (US): +1-929-432-4463,,,9272158344#
> > > > > >>>>>>>>>>>>>> *Join via phone (US toll-free)*:
> > > > > >>>>> +1-855-552-4463,,,9272158344#
> > > > > >>>>>>>>>>>>>> International dial-in:
> > > > > >>>> https://chime.aws/dialinnumbers/
> > > > > >>>>>>>>>>>>>> In-room video system: Ext: 62000, Meeting PIN:
> > > > > >>>>> 9272158344#
> > > > > >>>>>>>>>>>>>>
> > > > > >>>>>>>>>>>>>> --
> > > > > >>>>>>>>>>>>>> *Chaitanya Prakash Bapat*
> > > > > >>>>>>>>>>>>>> *+1 (973) 953-6299*
> > > > > >>>>>>>>>>>>>>
> > > > > >>>>>>>>>>>>>> [image: https://www.linkedin.com//in/chaibapat25]
> > > > > >>>>>>>>>>>>>> <https://github.com/ChaiBapchya>[image:
> > > > > >>>>>>>>>>>>> https://www.facebook.com/chaibapat
> > > > > >>>>>>>>>>>>>> ]
> > > > > >>>>>>>>>>>>>> <https://www.facebook.com/chaibapchya>[image:
> > > > > >>>>>>>>>>>>>> https://twitter.com/ChaiBapchya] <
> > > > > >>>>>>>> https://twitter.com/ChaiBapchya
> > > > > >>>>>>>>>>>>>> [image:
> > > > > >>>>>>>>>>>>>> https://www.linkedin.com//in/chaibapat25]
> > > > > >>>>>>>>>>>>>> <https://www.linkedin.com//in/chaibapchya/>
> > > > > >>>>>>>>>>>>>>
> > > > > >>>>>>>>>>
> > > > > >>>>>>>>>> --
> > > > > >>>>>>>>>> *Chaitanya Prakash Bapat*
> > > > > >>>>>>>>>> *+1 (973) 953-6299*
> > > > > >>>>>>>>>>
> > > > > >>>>>>>>>> [image: https://www.linkedin.com//in/chaibapat25]
> > > > > >>>>>>>>>> <https://github.com/ChaiBapchya>[image:
> > > > > >>>>>>>>> https://www.facebook.com/chaibapat
> > > > > >>>>>>>>>> ]
> > > > > >>>>>>>>>> <https://www.facebook.com/chaibapchya>[image:
> > > > > >>>>>>>>>> https://twitter.com/ChaiBapchya] <
> > > > > >>>>> https://twitter.com/ChaiBapchya
> > > > > >>>>>>>>>> [image:
> > > > > >>>>>>>>>> https://www.linkedin.com//in/chaibapat25]
> > > > > >>>>>>>>>> <https://www.linkedin.com//in/chaibapchya/>
> > > > > >>>>>>>>>>
> > > > > >>>>>>>
> > > > > >>>>>>> --
> > > > > >>>>>>> Sandeep Krishnamurthy
> > > > > >>>>>>>
> > > > > >>>>>
> > > > > >>>>
> > > > > >>>
> > > > > >>>
> > > > > >>> --
> > > > > >>> *Chaitanya Prakash Bapat*
> > > > > >>> *+1 (973) 953-6299*
> > > > > >>>
> > > > > >>> [image: https://www.linkedin.com//in/chaibapat25]
> > > > > >>> <https://github.com/ChaiBapchya>[image:
> > > > > https://www.facebook.com/chaibapat
> > > > > >>> ]
> > > > > >>> <https://www.facebook.com/chaibapchya>[image:
> > > > > >>> https://twitter.com/ChaiBapchya] <
> > https://twitter.com/ChaiBapchya
> > > > > >[image:
> > > > > >>> https://www.linkedin.com//in/chaibapat25]
> > > > > >>> <https://www.linkedin.com//in/chaibapchya/>
> > > > > >>>
> > > > > >>
> > > > >
> > > > >
> > > >
> > >
> > >
> > > --
> > > *Chaitanya Prakash Bapat*
> > > *+1 (973) 953-6299*
> > >
> > > [image: https://www.linkedin.com//in/chaibapat25]
> > > <https://github.com/ChaiBapchya>[image:
> > https://www.facebook.com/chaibapat
> > > ]
> > > <https://www.facebook.com/chaibapchya>[image:
> > > https://twitter.com/ChaiBapchya] <https://twitter.com/ChaiBapchya
> > >[image:
> > > https://www.linkedin.com//in/chaibapat25]
> > > <https://www.linkedin.com//in/chaibapchya/>
> > >
> >
>
>
> --
> *Chaitanya Prakash Bapat*
> *+1 (973) 953-6299*
>
> [image: https://www.linkedin.com//in/chaibapat25]
> <https://github.com/ChaiBapchya>[image: https://www.facebook.com/chaibapat
> ]
> <https://www.facebook.com/chaibapchya>[image:
> https://twitter.com/ChaiBapchya] <https://twitter.com/ChaiBapchya>[image:
> https://www.linkedin.com//in/chaibapat25]
> <https://www.linkedin.com//in/chaibapchya/>
>

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