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Parallelize post-build steps in stage pipeline#4337

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saschagrunert wants to merge 1 commit intokubernetes:masterfrom
saschagrunert:perf/parallel-post-build-steps
Open

Parallelize post-build steps in stage pipeline#4337
saschagrunert wants to merge 1 commit intokubernetes:masterfrom
saschagrunert:perf/parallel-post-build-steps

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What type of PR is this?

/kind feature

What this PR does / why we need it:

Runs changelog generation, artifact verification, and SBOM generation concurrently after the build step. All three are independent and only depend on the build having completed. Saves ~1.5 min per stage run.

Which issue(s) this PR fixes:

None

Special notes for your reviewer:

Part of a series of krel stage performance improvements.

Does this PR introduce a user-facing change?

NONE

@k8s-ci-robot k8s-ci-robot added release-note-none Denotes a PR that doesn't merit a release note. do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. kind/feature Categorizes issue or PR as related to a new feature. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. needs-priority labels Mar 20, 2026
@k8s-ci-robot k8s-ci-robot requested a review from jrsapi March 20, 2026 08:49
@k8s-ci-robot k8s-ci-robot added the area/release-eng Issues or PRs related to the Release Engineering subproject label Mar 20, 2026
@k8s-ci-robot k8s-ci-robot requested a review from salaxander March 20, 2026 08:49
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: saschagrunert

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@k8s-ci-robot k8s-ci-robot added sig/release Categorizes an issue or PR as relevant to SIG Release. approved Indicates a PR has been approved by an approver from all required OWNERS files. size/M Denotes a PR that changes 30-99 lines, ignoring generated files. labels Mar 20, 2026
Run VerifyArtifacts and GenerateBillOfMaterials concurrently after
changelog generation. Changelog must run first since it performs git
checkouts on the shared working tree.

Signed-off-by: Sascha Grunert <sgrunert@redhat.com>
@saschagrunert saschagrunert force-pushed the perf/parallel-post-build-steps branch from 3e6e38c to 1ef86f1 Compare March 20, 2026 08:53
@k8s-ci-robot k8s-ci-robot added size/S Denotes a PR that changes 10-29 lines, ignoring generated files. and removed size/M Denotes a PR that changes 30-99 lines, ignoring generated files. labels Mar 20, 2026
@saschagrunert saschagrunert changed the title WIP: Parallelize post-build steps in stage pipeline Parallelize post-build steps in stage pipeline Mar 20, 2026
@k8s-ci-robot k8s-ci-robot removed the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Mar 20, 2026
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@kubernetes/release-engineering PTAL

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approved Indicates a PR has been approved by an approver from all required OWNERS files. area/release-eng Issues or PRs related to the Release Engineering subproject cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. kind/feature Categorizes issue or PR as related to a new feature. needs-priority release-note-none Denotes a PR that doesn't merit a release note. sig/release Categorizes an issue or PR as relevant to SIG Release. size/S Denotes a PR that changes 10-29 lines, ignoring generated files.

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