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kubernetes/test-infra dependency management

test-infra uses go modules for Go dependency management. Usage requires bazel, which can be accessed through planter if not locally installed.

Usage

Run hack/update-deps.sh whenever vendored dependencies change. This takes a minute to complete, and longer the more uncached repos golang needs to download.

Updating dependencies

New dependencies causes golang to recompute the minor version used for each major version of each dependency. And golang automatically removes dependencies that nothing imports any more.

Manually increasing the version of dependencies can be done in one of three ways:

  • bazel run //:update-patch # -- example.com/foo example.com/bar
    • update everything (or just foo and bar) to the latest patch release
    • aka vX.Y.latest
  • bazel run //:update-minor # -- cloud.google.com/go/storage
    • update everything (or just storage) to the latest minor release
    • aka vX.latest.latest
  • Manually editing go.mod.

Always run hack/update-deps.sh after changing go.mod by any of these methods (or adding new imports).

See golang's go.mod and dependency upgrade docs for more details.

Tips

Use bazel run //:go -- whatever rather than go whatever from your $PATH to ensure the correct version of golang is selected.

Note that using this path does not otherwise require golang to be installed on your workstation.