I say +1 in order to move forward with the 10.

On Tue, 12 Mar 2024 at 21:45, Alex Porcelli <a...@porcelli.me> wrote:

> +1
>
> I spent the last day or so working closely with Tiago, exploring different
> options and getting deeper on the impact and evaluating the overall release
> procedure steps required. I agree with the proposal as the most
> viable option for unblocking the 10 release in the reasonable time frame.
>
>
> On Tue, Mar 12, 2024 at 3:45 PM Tiago Bento <tiagobe...@apache.org> wrote:
>
> > Hi everyone,
> >
> > Unfortunately, I can't do a tl;dr this time, as this matter requires a
> > lot of context.
> >
> > This email will take you < 20 minutes to read, according to
> > https://thereadtime.com/.
> >
> > As you may have followed on a separate thread
> > (https://lists.apache.org/thread/nknm6j641qk2c7cl621tsy3fy98tsc69),
> > many of us were working towards removing a circular dependency
> > currently present between `kogito-apps` and `kie-tools`. As we
> > progressed towards a solution, we kept finding the circular dependency
> > pop up somewhere else. I'll do a breakdown of the things we did, and
> > the results we had.
> >
> > Right now, even though we started the effort to move the Quarkus Dev
> > UI modules to `kie-tools`, we haven't been able to do it yet, as we've
> > been busy upgrading KIE Tools to Java 17, Maven 3.9.6, and Quarkus
> > 3.2.9, compatible with Kogito Runtimes 999-20240218-SNAPSHOT. This
> > effort was concluded this Monday, with
> > https://github.com/apache/incubator-kie-tools/pull/2136.
> >
> > The current scenario we have is:
> >
> >                 01. incubator-kie-kogito-runtimes
> >         |==> 02. incubator-kie-kogito-apps
> >    C   |       03. incubator-kie-kogito-examples
> >    Y    |       04. incubator-kie-kogito-images
> >    C   |        05. incubator-kie-kogito-serverless-operator
> >    L    |       ==========================
> >    E    |       06. incubator-kie-sandbox-quarkus-accelerator
> >         |==> 07. incubator-kie-tools
> >
> >
> >         * As `kie-tools`/extended-services depends on
> > `kogito-apps`/jitexecutor;
> >         * and `kogito-apps`/{sonataflow,bpmn}-quarkus-devui depend on
> > `kie-tools`/{many packages}
> >
> >
> > After moving the Quarkus Dev UIs to `kie-tools`, we would've had:
> >
> >                 01. incubator-kie-kogito-runtimes
> >                 02. incubator-kie-kogito-apps
> >                 03. incubator-kie-kogito-examples
> >     C   |==> 04. incubator-kie-kogito-images
> >     Y   |       05. incubator-kie-kogito-serverless-operator
> >     C   |       =====================
> >     L   |       06. incubator-kie-sandbox-quarkus-accelerator
> >     E   |==> 07. incubator-kie-tools
> >
> >         * As `kie-tools`/kn-plugin-workflow depends on
> > `kogito-images`/kogito-swf-devmode;
> >         * and `kogito-images`/kogito-swf-devmode depends on
> > `kie-tools`/sonataflow-quarkus-devui
> >
> >
> > After moving the `kogito-swf-devmode` image to `kie-tools`, we would've
> > had:
> >
> >                 01. incubator-kie-kogito-runtimes
> >                 02. incubator-kie-kogito-apps
> >                 03. incubator-kie-kogito-examples
> >                 04. incubator-kie-kogito-images
> >     C   |==> 05. incubator-kie-kogito-serverless-operator
> >     Y   |       =====================
> >     C   |       06. incubator-kie-sandbox-quarkus-accelerator
> >     L   |==> 07. incubator-kie-tools
> >     E
> >
> >         * As `kie-tools`/kn-plugin-workflow depends on
> > `kogito-serverless-operator`;
> >         * and `kogito-serverless-operator` depends on
> > `kie-tools`/kogito-swf-devmode
> >
> >
> > Clearly, we have a much bigger problem than a simple circular dependency.
> >
> > After multiple conversations with a lot of people, it's been really
> > hard coming up with a simple solution that makes it possible to build
> > Apache KIE in one shot, while preserving the way everyone is used to
> > contributing to the multiple repositories we have. More than that,
> > while making this assessment, I found more problems that, in my
> > perspective, block Apache KIE 10.
> >
> > In light of that difficulty, I'm coming forward with my proposal for
> > the Apache KIE release process, so we can use Apache's mechanisms to
> > have a slower-paced, in-depth debate about this really complicated
> > matter.
> >
> > I'll lay out my entire perspective about the current situation of our
> > codebase, as well as problems I can currently see. I'll start with an
> > analysis of the repositories and their purposes, point out some
> > problems that I believe are blocking our 10 release, explain my
> > proposal and discuss some consequences to what I'm proposing.
> >
> > Let's begin.
> >
> >
> > # THE APACHE KIE REPOS
> >
> > A. DROOLS OPTAPLANNER, & KOGITO (count: 11)
> > - incubator-kie-kogito-pipelines @ `main`
> > - incubator-kie-drools @ `main`
> > - incubator-kie-optaplanner @ `main`
> > - incubator-kie-optaplanner-quickstarts @ `main`
> > - incubator-kie-kogito-runtimes @ `main`
> > - incubator-kie-kogito-apps @ `main`
> > - incubator-kie-kogito-examples @ `main`
> > - incubator-kie-kogito-images @ `main`
> > - incubator-kie-kogito-serverless-operator @ `main`
> > - incubator-kie-kogito-docs @ `main`
> > - incubator-kie-docs @ `main-kogito`
> >
> > B. TOOLS (count: 2)
> > - incubator-kie-sandbox-quarkus-accelerator @ `0.0.0`
> > - incubator-kie-tools @ `main`
> >
> > C. BENCHMARKS (count: 2)
> > - incubator-kie-kogito-benchmarks @ `main`
> > - incubator-kie-benchmarks @ `main`
> >
> > D. ARCHIVED (count: 1)
> > - incubator-kie-kogito-operator
> >
> > E. "NON-CODE" (count: 5)
> > - incubator-kie-issues @ `main`
> >     (Issues only, README should be updated @ `main`. Same for GitHub
> > Actions workflows.)
> > - incubator-kie-kogito-website @ `main`
> >     (The Kogito website. Develop & deploy at the `main` branch.)
> > - incubator-kie-website @ `main`
> >     (The KIE website. Develop @ `main`. Push @ `deploy` to update the
> > website.)
> > - incubator-kie-kogito-online @ `gh-pages`
> >     (GitHub pages used to host sandbox.kie.org and KIE Tools' Chrome
> > Extension assets.)
> > - incubator-kie-kogito-online-staging @ `main`
> >     (Same as above, but for manual sanity checks during the staging
> > phase of a release.)
> >
> > TOTAL (count: 21)
> >
> > I grouped the repositories by category, and listed them in a
> > topological order. Keep in mind that when flattening out a tree, there
> > are multiple possibilities. For example, OptaPlanner could've been
> > placed in any position after Drools.
> >
> > Category A repos are what I've been referring to as `drools` and
> > `kogito-*` stream. Of course OptaPlanner is inside that stream, as the
> > way these repositories reference each other are through Maven
> > SNAPSHOTs. More specifically, the 999-SNAPSHOT version. This mechanism
> > is well-known to the team, and although flawed for intra-day builds
> > and disruptive for people in many different time zones, it is already
> > very comfortable for everyone to work with, I assume.
> >
> > Contributions made to Category A have some dedicated pipelines, which
> > are, at least to some extent, able to build cross-repo PRs together
> > and verify that the codebase will continue working as expected after
> > they're all merged. From what I could gather, there are some
> > "sub-streams" currently configured for cross-repo PRs.
> >
> > - kogito-pipelines
> > - drools, kogito-runtimes, kogito-apps, and kogito-examples
> > - optaplanner, and optaplanner-quickstarts
> > - kogito-images, and kogito-serverless-operator
> > - kogito-docs
> > - kie-docs
> >
> > This means that sending cross-repo PRs to any combination of repos
> > that are not part of the same "sub-stream" cannot be verified before
> > merging, making our contribution model dependent on individual
> > contributors building stuff on their machines to verify that it works.
> >
> > I based this analysis on
> >
> >
> https://github.com/apache/incubator-kie-kogito-pipelines/blob/main/.ci/project-dependencies.yaml
> > ,
> >
> >
> https://github.com/apache/incubator-kie-optaplanner/blob/main/.ci/buildchain-project-dependencies.yaml
> > ,
> > and
> >
> https://github.com/apache/incubator-kie-kogito-pipelines/blob/main/.ci/jenkins/config/branch.yaml
> > .
> > Note that I'm not that familiar with these pipelines, so please
> > someone correct me if I'm wrong.
> >
> > Category B repos are what I've been referring to as `kie-tools`
> > stream. The first repo there is a template repository that is used by
> > people starting projects from scratch on KIE Sandbox, similar to a
> > Maven archetype, if you will. The other one is the KIE Tools monorepo,
> > a polyglot monorepo with `pnpm` as its build system. Currently, KIE
> > Tools hosts Java libraries and apps, TypeScript libraries and apps, Go
> > apps, Docker images, and Helm charts. The `kie-tools` monorepo is
> > configured to work with sparse checkouts and can do partial builds.
> > Category B repos refer to Category A repos through timestamped
> > SNAPSHOTs. This is a new mechanism we recently introduced that will
> > build and publish immutable, persistent artifacts under a version
> > following the 999-YYYYMMDD-SNAPSHOT format, published weekly every
> > Sunday night. Timestamped SNAPSHOTs are an evolution to the Kogito
> > releases, as we're now targeting one release for all of Apache KIE, so
> > we can't have Kogito releases anymore.
> >
> > An important note here is that Category B repositories have been
> > historically kept out of any automations we used to have, way back
> > when Kogito started and we had the Business Central (a.k.a. v7) stream
> > still going on. For this reason, Category B projects have developed
> > their own automations, based on GitHub Actions. Category B repos have
> > always depended on Category A repos using fixed versions. If Category
> > B repos have had adopted mutable SNAPSHOTs, breaking changes on
> > Category A repositories would've had the potential to break Category B
> > silently, leaving Category B with a broken development stream, and
> > introducing unpleasant surprises for maintainers of Category B repos,
> > as historically Category A contributors were not familiar with
> > Category B repos.
> >
> > Contributions made to Category B repos go through a GitHub Actions
> > workflow that builds the relevant part of the `kie-tools` monorepo for
> > the changes introduced. Changes made to the pipeline itself are also
> > picked up as part of PRs, allowing us to do things like atomically
> > bumping the Node.js version, for example. More importantly, it allows
> > us to upgrade the repository to a new timestamped SNAPSHOT together
> > with the changes necessary to make it stay green.
> >
> > This setup, however, makes it impossible to have cross-repo PRs
> > involving Category A and Category B simultaneously, with the current
> > automations we have.
> >
> > Category C repos are kind of floating around, and I'm not sure if
> > there's much activity going on there. Regardless, as they're part of
> > Apache KIE, they will be part of our release, so I listed them for us
> > to take them into consideration too.
> >
> > Category D is self explanatory. There's only one repo that has already
> > been marked for being archived.
> >
> > Category E are repos that do not host code directly, and are either
> > organizational entities, or host websites, that currently are not part
> > of any pipelines we have.
> >
> > This lack of unification between Category A and Category B is, IMHO,
> > what allowed us to introduce the infamous circular dependency between
> > `kie-tools` and `kogito-apps`, which we now can describe as a circular
> > dependency between Category A and Category B. The way I see it, if we
> > had a single pipeline, building everything from `drools` to
> > `kie-tools`, such flaws would've never been introduced, and we
> > wouldn't be having this huge problem in our hands right now.
> >
> > My proposal for the Apache KIE release process sees this lack of
> > unification as a central problem, not only for this release in
> > particular, but for the community as a whole. It is my belief that we
> > are all under the same roof, and that no contribution should be
> > allowed to break any part of our codebase. With the increasing volume
> > of code, and hopefully number of contributors too, we cannot keep
> > counting on "common sense" to avoid breaking things. We're all humans
> > after all, and it is our job to have mechanisms in place to prevent us
> > from unwillingly making mistakes. Especially when these mistakes
> > impact on parts of the codebase that we, individually, probably can't
> > fix.
> >
> >
> > # THE PROBLEMS WE HAVE RIGHT NOW
> >
> > P1. Quarkus Dev UIs @ `kogito-apps` depending on kiegroup's KIE Tools
> > `0.32.0`.
> > See:
> > -
> >
> https://github.com/search?q=repo%3Akiegroup%2Fkogito-apps+path%3Apackage.json+kie-tools&type=code
> >
> >
> > P2. PR open for Kogito SWF images @ `kogito-images` depending on
> > kiegroup's KIE Tools `0.32.0`.
> > See:
> > -
> >
> https://github.com/apache/incubator-kie-tools/tree/main/packages/sonataflow-deployment-webapp
> >
> >
> > P3. DashBuilder @ `kie-tools` depending on kiegroup's `lienzo` and
> > `kie-soup` artifacts at version `7.59.0.Final`.
> > See:
> > -
> >
> https://github.com/apache/incubator-kie-tools/blob/main/packages/dashbuilder/pom.xml#L64
> > -
> >
> https://github.com/search?q=repo%3Aapache%2Fincubator-kie-tools+path%3Apackages%2Fdashbuilder+%24%7Bversion.org.kie%7D&type=code
> >
> >
> > P4. Multiple packages @ `kogito-apps` depending on kiegroup's
> > Explainability `1.22.1.Final`.
> > * This module was removed from the KIE codebase here:
> >
> >
> https://github.com/apache/incubator-kie-kogito-apps/commit/bbb22c06d37e77b97aae6496d74abe43a8cfc965
> > and now lives on
> > https://github.com/trustyai-explainability/trustyai-explainability,
> > under a different GAV.
> > * This new repo depends on Kogito and OptaPlanner, pointing to older
> > versions.
> > See:
> > -
> >
> https://github.com/search?q=repo%3Aapache%2Fincubator-kie-kogito-apps+%3Eexplainability-core%3C&type=code
> > -
> >
> https://github.com/trustyai-explainability/trustyai-explainability/blob/main/pom.xml#L52-L53
> >
> >
> > P5. `incubator-kie-sandbox-quarkus-accelerator` depending on Kogito
> > `1.32.0.Final` and Quarkus `2.15.3.Final`.
> > See:
> > -
> >
> https://github.com/apache/incubator-kie-sandbox-quarkus-accelerator/blob/0.0.0/pom.xml#L32-L38
> >
> >
> > P6. Category C repos are out of date and not part of the Category A
> > CI/Release pipelines.
> > * incubator-kie-kogito-benchmarks: (Current version is `2.0-SNAPSHOT`,
> > depending on Kogito without a specific version, only by using
> > `http://localhost:8080`)
> > * incubator-kie-benchmarks: (Current version is `1.0-SNAPSHOT`,
> > pointing to Drools 999-SNAPSHOT and OptaPlanner `8.45.0-SNAPSHOT`)
> >
> >
> > P7. `kie-tools`/packages/kn-plugin-workflow has its E2E disabled after
> > upgrading to 999-20240218-SNAPSHOT.
> >
> >
> > In my perspective, P1 and P2 have the same solution, as they both
> > suffer from the circular dependency between Category A and Category B.
> > As Category A and Category B are both streams that have been really
> > active, I see this as a blocker, as there are contributions that
> > cannot be done, given that Category A depends on Category B with a
> > dephasing of 1 release.
> >
> > P3 and P4, although not ideal, can be understood as technical debt.
> > Depending on unmaintained projects is something we'll always be
> > susceptible to, given time.
> >
> > P5 and P6 are easily fixable, as it's just a matter of making them
> > part of the play.
> >
> > P7 is an isolated problem that won't impact the structure or anything
> > that we're talking about here, but it is a regression we introduced
> > recently.
> >
> > Assuming P3 and P4 can be ignored for Apache KIE 10, and that P5, P6,
> > and P7 have easy fixes, the only problems left to discuss are P1 and
> > P2, which can't be done without a proper proposal.
> >
> >
> > # THE PROPOSAL
> >
> > I'll try to be very meticulous here, since from my experience, any
> > little miscalculation can lead to our release not working out in the
> > end. To try and avoid that as much as possible, and make everything we
> > can to have a successful Apache KIE 10 release, bear with me. I'll lay
> > out a timeline of events that need to happen in order for our release
> > to be published, with all artifacts ending up in the right places, but
> > first, we need to solve problems P1 and P2.
> >
> > As you saw at the beginning of this email, all the attempts we made
> > left us with the circular dependency showing up at a different place,
> > but something all these places have in common is that they're all
> > after kogito-apps, and before to Category B.
> >
> > The first part of my proposal is the following:
> >
> > S1. We keep the original plan of moving the Quarkus Dev UIs from
> > `kogito-apps` to `kie-tools`, together with Management and Task
> > consoles from `kogito-images` to `kie-tools`.
> > S2. We move the `kogito-swf-devmode` and `kogito-swf-builder` images
> > from `kogito-images` to `kie-tools` too.
> > S3. We move the entire `kogito-serverless-operator` repo inside a new
> > package on `kie-tools`, keeping Git history.
> >
> > Solutions S1, S2, and S3 together solve problems P1 and P2. Of course
> > the rest of https://github.com/apache/incubator-kie-issues/issues/967
> > would still be done too.
> >
> > This doesn't come without consequences, of course, as the
> > `kogito-swf-devmode` and `kogito-swf-builder` images, and the
> > `kogito-serverless-operator` would be moving from Category A to
> > Category B. This move would make them have to reference Category A
> > repos through timestamped SNAPSHOTs. Since `kogito-images` and
> > `kogito-serverless-operator` are already their own "sub-stream" inside
> > Category A, though, contributions made in a cross-repo fashion to this
> > "sub-stream" will continue being possible, now via a single PR to
> > `kie-tools`. Cross-repo PRs between Category A and Category B will
> > continue not being possible, and a 1-week delay between merging
> > something on Category A and using it on Category B will still happen.
> >
> > It's worth mentioning that `kie-tools`, however, does allow for sparse
> > checkouts and partial builds, so working with a subset of the monorepo
> > is possible and encouraged. Making changes only to
> > `packages/kn-plugin-workflow`, for example, will have the PR checks
> > run in < 10 minutes, as you can see here:
> >
> >
> https://github.com/apache/incubator-kie-tools/actions/runs/8237244382/job/22525511722?pr=2136
> > .
> > We're not compromising when running partial builds too. We know that
> > the entire repo will continue working even after only building a small
> > subset of the changes. Doing partial or full builds is automatically
> > determined by the changes of a PR.
> >
> > Keep in mind that, even though I'm proposing we move a bunch of
> > additional stuff into `kie-tools`, I see this as a TEMPORARY solution
> > for our codebase. `kie-tools` would host some additional stuff
> > TEMPORARILY so that we can release and continue moving forward.
> >
> > As I mentioned on other places, `kie-tools` became a polyglot monorepo
> > out of necessity, and although I'm really proud of what we achieved
> > there so far, I don't think `kie-tools` has a setup that is suitable
> > for all the different nuances that compose our community. I'm well
> > aware that a polyglot monorepo that does not follow widespread
> > conventions will scare some people away, and as much as we've tried to
> > make build instructions clear, we can't always get past the prejudice
> > some people have towards the "front-end" ecosystem.
> >
> > With all that said, I keep thinking this is the best course of action
> > for us right now. We keep most of our stuff unchanged, we unblock the
> > release, and we have a working setup that will suit us well while we
> > discuss and reach a conclusion regarding the future of our codebase
> > structure.
> >
> > Let me paint a quick picture here of what our code base would look
> > like, repository-wise, if my proposal is accepted:
> >
> > CATEGORY    REPO
> > =====================
> > A           incubator-kie-kogito-pipelines
> > A           incubator-kie-drools
> > A           incubator-kie-optaplanner
> > A           incubator-kie-optaplanner-quickstarts
> > A           incubator-kie-kogito-runtimes
> > A           incubator-kie-kogito-apps
> > A           incubator-kie-kogito-examples
> > A           incubator-kie-kogito-images
> > A           incubator-kie-kogito-docs
> > A           incubator-kie-kogito-benchmarks
> > A           incubator-kie-docs
> > A           incubator-kie-benchmarks
> > =====================
> > B           incubator-kie-sandbox-quarkus-accelerator
> > B           incubator-kie-tools
> > =====================
> > D           incubator-kie-kogito-operator
> > =====================
> > E           incubator-kie-issues
> > E           incubator-kie-kogito-website
> > E           incubator-kie-website
> > E           incubator-kie-kogito-online
> > E           incubator-kie-kogito-online-staging
> > =====================
> >
> > * Category C becomes part of Category A, and
> > `kogito-serverless-operator` moves entirely inside `kie-tools`.
> > * With `kogito-swf-{builder,devmode}` images and
> > `kogito-serverless-operator` inside `kie-tools`, there are no cycles
> > anymore, as inside `kie-tools`, we can granularly build:
> >     1. packages/sonataflow-deployment-webapp
> >     2. packages/sonataflow-quarkus-devui
> >     3. packages/sonataflow-images (containing `kogito-swf-builder` and
> > `kogito-swf-devmode`)
> >     4. packages/sonataflow-operator (contents from
> > `kogito-serverless-operator`)
> >     5. packages/kn-plugin-sonataflow (`packages/kn-plugin-workflow`,
> > but renamed)
> >
> > The second part of the proposal is the release process itself,
> > assuming the structure above is what we have.
> >
> > Here it is:
> >
> > 1. Define a timestamped SNAPSHOT to be used as cutting point for
> > Category A repos.
> > 2. Update Category B repos to point to this timestamped SNAPSHOT, and
> > verify that everything is working.
> > 3. At this point, with everything working, we can branch out to
> > `10.0.x`. Category A from the timestamped SNAPSHOT tag, and Category B
> > from `main`.
> > 4. All Category A and Category B repos update their versions to
> > 10.0.0, in their `10.0.x` branches.
> > 5. Update Category B repos to point to Category A repos using the
> > 10.0.0 version.
> > 6. At this point, we can vote on the release based on the `10.0.x`
> > branches, given we don't expect any code changes anymore.
> > 7. After voting passes, we're good to start the release process.
> > 8. Category A repos follow their manual/automated release process,
> > pointing to the `10.0.x` branch. Tags pushed to Git, and built
> > artifacts pushed to their registries.
> > 9. We wait a little bit for Category A artifacts to be propagated on
> > registries. ~1 day.
> > 10. Category B repos follow their manual/automated release process,
> > pointing to the `10.0.x` branch. Tags pushed to Git, and built
> > artifacts pushed to their registries.
> > 11. Category D repos are ignored.
> > 12. Category E repos can be manually tagged with 10.0.0 from their
> > default branches.
> >
> > More needs to be discussed if we're planning to maintain multiple
> > release streams in parallel, but I guess it can wait for after Apache
> > KIE 10.
> >
> > Thank you for reading, and I'm looking forward to hearing back from
> > everyone.
> >
> > Of course, alternative solutions are possible. This email, however,
> > summarizes my view of how we should attack the problem, considering
> > disruption, required effort, the release process itself, and history.
> > Feel free to propose alternatives. This is not a voting thread.
> >
> > Regards,
> >
> > Tiago Bento
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: dev-unsubscr...@kie.apache.org
> > For additional commands, e-mail: dev-h...@kie.apache.org
> >
> >
>

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