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ci: split the PR pipeline into a launcher and small jobs - #1075
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📝 WalkthroughWalkthroughThe PR replaces a single Jenkins PR job with a launcher and four leaf jobs for copyright, secrets, Coverity, and coverage. It adds per-job pipeline configurations, updates Jenkins job generation, and changes the header checker to exclude suffixed Jenkinsfile names. The lint workflow now selects Python 3.14 directly. ChangesJenkins CI job flow
Lint Python version selection
Priority: ⬇️ Low Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Feature Merge Risk: 🔵 Low · up to The installation guide no longer specifies the interpreter for local setup. Update it, and confirm the external CI_SERVER and required status context use cloudai-pr during rollout; the checked-in CI flow otherwise appears consistent. 🚥 Pre-merge checks | ✅ 4✅ Passed checks (4 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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Review comments at @.ci/Jenkinsfile.launcher:
- Around line 43-50: Track whether the `parallel` leaf-job execution completes
successfully and use that state when reporting the final status, rather than
relying on `currentBuild.resultIsBetterOrEqualTo('SUCCESS')` before the build
result is finalized. Keep the existing `build` parameters and leaf-failure
propagation unchanged.
Review comments at @.ci/pipeline/tests_matrix.yaml:
- Line 37: Update the pytest invocations in the test matrix to select
root-sensitive tests by exact node ID rather than substring matching. Replace
the main run’s `-k` exclusions with `--deselect` for the two
`TestPrepareOutputDir` cases, and pass their full node IDs through
`expect_pytest_failure` and the root-sensitive run.
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- 🪄 Fix CodeRabbit comments on this PR
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Review comments at @.ci/proj_jjb.yaml:
- Line 62: Align the Jenkins launcher token with the CI_SERVER target by
consistently using either cloudai-pr or cloudai-ci across the Jenkins
configuration, launcher mappings, README, and required status checks; ensure the
selected name matches the /build trigger.
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The PR pipeline ran every check in one Jenkins job. As in NIXL and UCC, Blossom now triggers a launcher that runs one small job per stage in parallel. Each leaf posts its own PR status, and the launcher fails if any leaf fails. CloudAI/PR/cloudai-pr .ci/pr/Jenkinsfile.launcher CloudAI/PR/cloudai-pr-copyright .ci/pr/copyright_matrix.yaml CloudAI/PR/cloudai-pr-secrets .ci/pr/secrets_matrix.yaml CloudAI/PR/cloudai-pr-coverity .ci/pr/coverity_matrix.yaml CloudAI/PR/cloudai-pr-coverage .ci/pr/coverage_matrix.yaml The release pipeline is moving into this repository too, so each pipeline gets its own .ci/ directory, CloudAI/ subfolder, job prefix and JJB project. Stage bodies are unchanged. Leaves reuse .ci/Jenkinsfile. The launcher's webhook token is cloudai-pr, so the CI_SERVER secret must move to <jenkins-url>@cloudai-pr. Do that once this is merged. Also fix the webhook trigger's logging keys, which JJB silently dropped. Refs: HPCINFRA-4889 Signed-off-by: Or Balayla <obalayla@nvidia.com>
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only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
Review comments at @.github/workflows/ci.yml:
- Line 20: Update the Python setup guidance in the documentation: replace
references to the absent .python-version file with the explicit development
version 3.14, and make the uv venv command select Python 3.14 while retaining
the existing --seed behavior.
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The Blossom workflow sets blossom-ci to pending and nothing closed it, because the launcher reported under its own cloudai-pr status. Drop the context so the launcher reports on blossom-ci, as the NIXL dispatcher does. Leaf jobs keep their cloudai-pr-<leaf> statuses. Refs: HPCINFRA-4884 Signed-off-by: Or Balayla <obalayla@nvidia.com>
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A failed leaf already shows on its own cloudai-pr-<leaf> status. Failing blossom-ci as well left it stale after re-running just that leaf, since only the launcher writes it. Start leaves with propagate: false and paint a failed one's branch red instead, so blossom-ci fails only when dispatching breaks, as in the NIXL dispatcher. Refs: HPCINFRA-4884 Signed-off-by: Or Balayla <obalayla@nvidia.com>
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Lets keep our conventions there is no. such thing as pr folder ci is pr , you should allign to:
.ci
Dockerfiles
pipeline
x.yaml
y.yaml
scripts
jjb.yaml
Follow the .ci layout the other ci-demo projects use instead of a per-pipeline directory: the leaf matrices move from .ci/pr/ to .ci/pipeline/ and the launcher to .ci/Jenkinsfile.launcher. Jenkins job names, the CloudAI/PR folder and the commit-status contexts are unchanged; only the script and conf_file defaults in proj_jjb.yaml point at the new paths. Refs: HPCINFRA-4889 Signed-off-by: Or Balayla <obalayla@nvidia.com>
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The team calls this pipeline CI, not PR: the Jenkins subfolder becomes CloudAI/CI, the launcher cloudai-ci (webhook token cloudai-ci) and the leaf jobs and their commit statuses cloudai-ci-<leaf>. The script parameter only fed script-path and nobody overrides it, so each job now sets its Jenkinsfile in script-path directly. Refs: HPCINFRA-4889 Signed-off-by: Or Balayla <obalayla@nvidia.com>
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dpressle
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Lets keep our conventions there is no. such thing as pr folder ci is pr , you should allign to:
.ci
Dockerfiles
pipeline
x.yaml
y.yaml
scripts
jjb.yaml
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Use the ci-demo library the Jenkins instance defines instead of pulling a GitHub ref through pipeline-github-lib. The stable_hpcx ref was copied from cloudaix. On hpcx-01 the global library resolves to ci-demo@master. Refs: HPCINFRA-4889 Signed-off-by: Or Balayla <obalayla@nvidia.com>
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2 participants
Summary
The PR pipeline (
cloudai-ci) runs every check in one Jenkins job. This splits it into a launcher that fans out to one small job per stage, the same shape as ai-dynamo/nixl (nixl-ci-dispatcher) and openucx/ucc (ucc-ci-dispatcher).refs/pull/<n>/mergeto one commit (getMergedSHA(), as NIXL and UCC do), so all four leaves test the same commit..ci/Jenkinsfilewith its ownconf_fileand posts its owncloudai-ci-<leaf>status, which is where a failure shows. The launcher closesblossom-ci, the status the Blossom workflow leaves pending, and fails it only if dispatching breaks. This is the NIXL dispatcher's model: re-running just a failed leaf in Jenkins clears the PR, and nothing stays stale (HPCINFRA-4884). One failing leaf doesn't stop the others..ci/job_matrix.yamlonmain(compared as parsed YAML).Naming. The release pipeline is moving into this repository, so each pipeline gets its own
CloudAI/<Name>/Jenkins subfolder,cloudai-<name>job prefix and JJB project. This pipeline isci(the team's name for it), and release can be added asreleasewithout touching it. Files follow the.cilayout the other ci-demo projects use: matrices in.ci/pipeline/, the launcher next to.ci/Jenkinsfile, andproj_jjb.yamlandheader-check.ymlshared.Jenkins-side changes.
CloudAI/cloudai-ciis replaced by theCloudAI/CI/subfolder. The launcher keeps the webhook tokencloudai-ci, soCI_SERVERis<jenkins-url>@cloudai-ciagain.blossom-ci.ymlis unchanged.cloudai-cito the fourcloudai-ci-<leaf>statuses, plusblossom-ci, which now gets closed. No status checks are required onmainyet; the fourcloudai-ci-<leaf>checks are the ones to require.script-pathdirectly; the unusedscriptparameter is gone.Also:
.ci/Jenkinsfileloads ci-demo through the Jenkins global library (@Library('ci-demo'),masteron hpcx-01) instead of thestable_hpcxGitHub ref copied from cloudaix.Jenkinsfile.*.Test Plan
jenkins-jobs test --config-xml .ci/proj_jjb.yaml(JJB 6.4.4) renders theCloudAI/CIfolder plus 5 jobs.cloudai-cihas a webhook trigger (tokencloudai-ci).conf_filepoints at its own matrix.CloudAI/cloudai-releasenext toCloudAI/CI/*, with no duplicate projects, templates or tokens.pre-commit runon the changed files passes..ci/Jenkinsfileand.ci/Jenkinsfile.launcher, and still checks*.py.jenkins-jobs test --config-xmlrenders the launcher'sscriptPathas.ci/Jenkinsfile.launcher, each leaf's as.ci/Jenkinsfile, and each leaf'sconf_fileas.ci/pipeline/<leaf>_matrix.yaml.sha1=refs/pull/1075/merge. The launcher started all four leaves in parallel. Each leaf checked out the merge ref and passed: copyright, secrets, Coverity (0 defects) and coverage. The launcher passed.CI_SERVERon the launcher's token,/buildon this PR started the launcher, which resolved the merge commit and posted every status. In a run with the copyright leaf forced to fail, the copyright leaf went red, the other three leaves green, andblossom-cigreen with "CI completed". Temporary commits handled the forced failure and the.python-versionworkaround (HPCINFRA-4862), and both have been removed.Rollout
CloudAI/cloudai-ci, renamed theCloudAI/PRfolder and its jobs toCloudAI/CIandcloudai-ci*(build history kept), and applied.ci/proj_jjb.yamlfrom the latest commit.CI_SERVERback to<jenkins-url>@cloudai-ci, then/buildon this PR./buildon other PRs fails, because their merge refs lack.ci/Jenkinsfile.launcher.cloudai-ci-<leaf>checks onmain(any source).Refs: HPCINFRA-4889