1ad1c8c7f8
Automatic merge from submit-queue (batch tested with PRs 64122, 64936, 65288, 65383). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Update to rules_go 0.12.1 and gazelle 0.12.0 and perform related cleanups **What this PR does / why we need it**: my initial intent was to simply update to rules_go 0.12.1 and gazelle 0.12.0. A few internal changes / deprecations meant that I finally needed to clean up some technical debt. This also fixes #64122. I've attempted to keep the steps as separate commits to make it easier to review: 1. Disable gazelle proto rule generation; legacy proto rules are deprecated, and we don't (currently) build protos at build time anyway, instead generating them with `hack/update-generated-protobuf.sh` and then checking them in. We can revisit this in the future if we'd like. 2. Remove the legacy `go_default_library_protos` filegroups using [buildozer](https://github.com/bazelbuild/buildtools/tree/master/buildozer). We don't use these, anyway. 3. Update the rules_go bazel workspace dependency to 0.12.1. 4. Vendor gazelle 0.12.0 and update BUILD files with `hack/update-bazel.sh`. This causes a lot of diffs, because `select()`s are no longer used in `srcs` attributes, external tests are folded into non-external tests, and vendored targets get an `importmap` attribute. 5. Set `gazelle:prefix` on `staging/src/BUILD` to make gazelle treat these correctly(ish). This allows us to remove the sed rewrite hack in `hack/update-bazel.sh`. 6. Explicitly set `# gazelle:importmap_prefix k8s.io/kubernetes/vendor` on `vendor/`, so that all vendored dependencies get the right importmap. gazelle 0.12.0 uses the bazel workspace name + `vendor/` as a prefix, which doesn't work with native go. Newer gazelle will use the go prefix (https://github.com/bazelbuild/bazel-gazelle/pull/207), but it's not released yet. Setting this correctly now also fixes later `BUILD` churn. 7. Re-run `hack/update-bazel.sh`. This causes a bunch of diffs, since anything under `staging/src` now uses the `staging/src/` path instead of `vendor/`. (Both would work for bazel, but gazelle uses the former, since `vendor/` uses symlinks.) Also `importmap`s under `vendor/` are fixed. 8. Reformat a few files (using [buildifier](https://github.com/bazelbuild/buildtools/tree/master/buildifier)) to make later diffs easier to read. 9. Rework the `go_genrule` rules to use the new `go_genrule` from https://github.com/kubernetes/repo-infra/pull/72, which is more bazely, since it uses the rules_go `go_path` rule instead of lots of shell. 10. Remove the deprecated `go_prefix` rule from the root BUILD.bazel file. 11. Set `# gazelle:importmap_prefix k8s.io/kubernetes/vendor` on `staging/src` as well, which ensures that these repos are treated as vendored dependencies. (It's basically the bazel-y way of doing the `vendor/k8s.io` symlinks.) 12. Run `hack/update-bazel.sh` one last time to fix all of the `importmap`s under `staging/src`. Note re: point 6 above - we're pretty much ignoring the `vendor/k8s.io` symlinks entirely now under bazel. Using the `gazelle:prefix` directive ensures these get mapped into the right go importpath, and the `go_path` rule installs these correctly now too. **Special notes for your reviewer**: this should not be submitted before https://github.com/kubernetes/repo-infra/pull/72, obviously. **Release note**: ```release-note NONE ``` /assign @BenTheElder @fejta @thockin cc @cblecker @jayconrod |
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Kubernetes
Kubernetes is an open source system for managing containerized applications across multiple hosts; providing basic mechanisms for deployment, maintenance, and scaling of applications.
Kubernetes builds upon a decade and a half of experience at Google running production workloads at scale using a system called Borg, combined with best-of-breed ideas and practices from the community.
Kubernetes is hosted by the Cloud Native Computing Foundation (CNCF). If you are a company that wants to help shape the evolution of technologies that are container-packaged, dynamically-scheduled and microservices-oriented, consider joining the CNCF. For details about who's involved and how Kubernetes plays a role, read the CNCF announcement.
To start using Kubernetes
See our documentation on kubernetes.io.
Try our interactive tutorial.
Take a free course on Scalable Microservices with Kubernetes.
To start developing Kubernetes
The community repository hosts all information about building Kubernetes from source, how to contribute code and documentation, who to contact about what, etc.
If you want to build Kubernetes right away there are two options:
You have a working Go environment.
$ go get -d k8s.io/kubernetes
$ cd $GOPATH/src/k8s.io/kubernetes
$ make
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$ git clone https://github.com/kubernetes/kubernetes
$ cd kubernetes
$ make quick-release
For the full story, head over to the developer's documentation.
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