feat(recipes): OKE RDMA fabric wiring (L40S RoCE + GB200 IB) - #2356
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Recipe evidence checkOther affected recipes without evidence yet: 4These recipes are affected by this PR but carry no committed evidence pointer, so there is
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Included review availability: Your plan provides up to 12 included reviews per hour; 9 remain after this review. 📝 WalkthroughWalkthroughThe change adds OKE GB200 InfiniBand and L40S RoCE Network Operator configuration. It adds GB200 OKE NCCL NET runtime validation and updates training recipe expectations. It introduces Docker image caching for KWOK CI with retry, save, load, workflow, documentation, and test support. It also narrows Trainer Deployment detection to the Kubernetes Estimated code review effort: 5 (Critical) | ~90 minutes Merge Risk: 🔵 Low · up to The PR adds OKE RDMA fabric configuration and related validation and CI changes. It is mergeable with owner awareness for two bounded test and CI correctness issues: image digest exemptions should be scoped more narrowly, and cache-budget exhaustion can produce misleading cache diagnostics. Suggested reviewers: 🚥 Pre-merge checks | ✅ 3 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (3 passed)
Full details: Linked Issues checkExplanation The changes satisfy issue Full details: Out of Scope Changes checkExplanation The pull request includes unrelated image-cache CI changes and trainer lifecycle refactoring, including the KWOK image-cache library, workflow updates, preload retry changes, and apps API-group changes. These changes are not required for the RDMA fabric wiring or GB200 NET validation objectives. ✨ Finishing Touches 💡 1⚔️ Resolve merge conflicts 💡
🧪 Generate unit tests (beta)
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Inline comments:
In `@recipes/manifest_images_test.go`:
- Around line 109-114: Update TestComponentManifestImagesAreDigestPinned and the
imageDigestExemptions handling so these four image-tag exemptions apply only to
the NicClusterPolicy resource in nic-cluster-policy-oke-l40s.yaml, rather than
globally by image string. Preserve digest enforcement when any of these images
appears in another manifest or resource.
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docs/user/container-images.mdpkg/bundler/testdata/stock_render_golden.yamlpkg/recipe/performance_goals_oke_test.gopkg/recipe/testdata/catalog_parity_golden.yamlrecipes/components/network-operator/manifests/nic-cluster-policy-oke-gb200.yamlrecipes/components/network-operator/manifests/nic-cluster-policy-oke-l40s.yamlrecipes/components/network-operator/values-oke-gb200.yamlrecipes/components/network-operator/values-oke-l40s.yamlrecipes/manifest_images_test.gorecipes/overlays/gb200-oke-training.yamlrecipes/overlays/l40s-oke-training.yamlvalidators/performance/nccl_all_reduce_bw_constraint.govalidators/performance/nccl_benchmark_profile_test.govalidators/performance/testdata/gb200/oke/runtime-net.yaml
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De-stacked: this branch is now based directly on |
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Inline comments:
In `@kwok/scripts/lib/preload-image.sh`:
- Around line 157-164: Update the final verification in the preload flow to
check image presence with a small fixed timeout independent of the overall
deadline, and apply the same change to the post-load verification in
image-cache.sh. In the reporting block, select the warning based on whether
attempt is zero rather than whether last_err is nonempty, so timeout-killed
pulls after real attempts are not reported as unattempted.
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.github/actions/kwok-test/action.yml.github/workflows/kwok-recipes.yamldocs/user/container-images.mdkwok/README.mdkwok/scripts/lib/image-cache.shkwok/scripts/lib/image-cache_test.shkwok/scripts/lib/preload-image.shpkg/recipe/testdata/catalog_parity_golden.yamlvalidators/performance/consts.govalidators/performance/trainer_lifecycle.govalidators/performance/trainer_lifecycle_test.go
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Rebased onto current main per the review ask (merge gate; this also flattened an "Update branch" merge commit that had landed on the branch) — old HEAD |
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Multi-persona review + adversarial meta-review
Method: 4 parallel persona reviewers (Correctness · Domain/Recipe-Architecture · Validator/K8s-Operability · Test-coverage/Supply-chain), then an adversarial senior meta-review that re-derived every finding from the resolved code at 5a81d978.
Legend: 🔴 Blocker · 🟠 Major · 🟡 Minor · 🔵 Nitpick
Prior reviewers (not duplicated): @yuanchen8911 requested changes on an earlier SHA (2 RDMA/kernel blockers + lint/license/rebase) — all addressed in 985f5d3c; @mchmarny approved the older a7d1d23 (noting the branch was behind base); CodeRabbit informational. The Major below is a deeper, still-open facet of @yuanchen8911's blocker #1: the hardcoded AKSRdmaSharedResource mismatch was fixed by the new rdmaFabricResource derivation, but the cohort-label half of that same gate was not surfaced.
Overall assessment
A careful, well-reasoned port that faithfully mirrors the AKS sibling. The heavy lifting — deriving the advertised resource from the manifest (replacing the hardcoded constant), the OKE NET preflight, fail-closed derivation, exemption path-scoping, BOM/golden regen, and the validation.md update — is correct and independently verified. One Major warrants verification before merge; everything else is Minor/Nitpick.
Confirmed non-issues (examined, not defects)
- Preflight correctly reaches OKE —
fabric==fabricEFAdefault →templatePathresolvestestdata/gb200/oke/runtime-net.yaml; grep exit-code direction is fail-closed;/proc/driver/nvidia/paramsstrips theNVreg_prefix (matchingGrdmaPciTopoCheckOverride: 1is correct). rdmaFabricResourcefails closed on 0 / >1 / parse errors;nilDataProvider is the documented embedded-catalog fallback; watch loop, errgroup fan-out, and cleanup-on-background-context are all correct.- kernel-module-params wiring is sound — the ConfigMap renders inert under
oci-managedand is consumed underoperator-managed;preManifestFilesis the right hook; keeping it in the leaf is correct. - Shared
nvidia.com/mlnxnicsacross both plugins is intentional and collision-free (mutually exclusive recipes). - Missing
nodeAffinityon OKE device-plugin DaemonSets — benign placement noise (plugins no-op on non-matching nodes). OracleNvidiaNetworkOperatoradd-on conflict — doc-only + #2522 tracked, acceptable. - Supply-chain/tests: exemption path-scoping genuinely prevents tag-reuse ride-through; BOM 100→104 (+4 L40S images, GB200 reuses the shared image); goldens changed for exactly the 2 OKE leaves; the
validation.mdsections @yuanchen8911 flagged are both updated.
Pre-existing observations (reused preflight code, not changed by this PR — hence in this summary, not inline)
validators/performance/nccl_preflight_nvreg.go's pod-lifecycle code is reused unchanged; this PR extends its applicability to OKE, so these are worth noting even though the lines aren't in the diff:
- 🟡
checkNVregOnNode+waitForPreflightPodPhasehave no unit tests. Only the pureparseNVregFromParamsandgb200NetPreflightAppliesare covered; the PodFailed-vs-infra classification and watch channel-close re-Get are untested. This PR now relies on that fail-closed classification for OKE too. Consider adding fake-clientset tests (the deployment side models this well inexpected_resources_rdma_test.go). - 🔵 grep exit-2 (driver/
paramsabsent) folds into "flag absent" (~L191), so a driver-absent node gets the "set the NVreg flag" remediation. Fails closed; theHostPath(~L163) also sets noType. SettingType: HostPathDirectorywould surface a driver-absent node as a distinct mount error. - 🔵
GenerateNamecomment (~L57) references a "node hash" the name doesn't include. Cosmetic.
Summary
| Tier | Count |
|---|---|
| 🔴 Blocker | 0 |
| 🟠 Major | 1 |
| 🟡 Minor | 2 |
| 🔵 Nitpick | 6 |
Recommendation: Approve with comments — but verify the Major (does pci-15b3.present exist on real OKE nodes?) before merge. If the label is genuinely absent, the RDMA readiness gate can never certify an OKE deploy and it becomes a Blocker.
Posted as a COMMENT review. Inline comments carry the mechanism / blast-radius / fix for each finding.
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Addressed the review round in 98ca57e (appended): the Major is refuted with rendered-chart + live-cluster evidence (see the inline thread) but its regression vector is now pinned by a recipes test + values comments; the empty-resourceName guard and docstring/comment fixes are in. The pre-existing preflight pod-lifecycle observations (no unit tests; grep exit-2 folding driver-absent into flag-absent) are tracked as #2560 — reused code this PR doesn't touch. |
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🔁 Re-review — OKE RDMA fabric wiring
Delta re-review at ccba748b following the fix commit "guard the RDMA gate's OKE label supply and reject nameless resources." Every prior finding was re-derived against the resolved code. Approving — the Major and the Minor are resolved; the rest are nitpicks that are addressed, acceptably deferred, or clarified.
Prior-feedback status
| # | Tier | Finding | Disposition |
|---|---|---|---|
| 1 | 🟠 Major | OKE RDMA gate cohort empty | ✔️ Addressed — gate keys on helper.PCIMellanoxPresentLabel (pci-15b3.present); the chart's default-on nvidia-nics-rules NodeFeatureRule supplies it, now pinned by values comments + TestOKENetworkOperatorKeepsChartNodeFeatureRule + production verification (18/18 GB300 nodes). AKS's deployNodeFeatureRules: false + own-manifest exception documented. |
| 2 | 🟡 Minor | Fail-closed docstring drift | ✔️ Addressed — docstring rewritten; zero-derivable-resources coverage moved to the parser test. |
| 3 | 🔵 Nitpick | NVreg preflight coupled to fabric == fabricEFA |
◐ Addressed-by-doc — coupling retained; comment expanded to explain OKE takes the default fabric env. |
| 4 | 🔵 Nitpick | qualifiedNICResource accepts empty ResourceName |
✔️ Addressed — now errors instead of deriving a phantom <prefix>/; parser test row added. |
| 5 | 🔵 Nitpick | rdmaFabricResource no internal timeout |
✖️ Not addressed (acceptable) — honors caller ctx via select, in-memory render/parse only. |
| 6 | 🔵 Nitpick | Outer render/parse branches untested | ◐ Largely covered — load-fail + distinct-resource + parser cases now driven; only the manifest.Render error branch remains untested. |
Verified non-issue
- BOM
98 → 102images (network-operator5 → 9): the only source change between the two commits is YAML comments, so the +4 (multus-cni, cniplugins,sriov-network-device-plugin,nvidia-k8s-ipam— the L40S RoCE secondaryNetwork stack) is a stale-golden regeneration, not a rendering change. Working tree clean; parity + render goldens committed consistently. ✔️
Score: 🔴 0 · 🟠 0 (was 1, resolved) · 🟡 0 (was 1, resolved) · 🔵 1 new nitpick. Nice, tightly-scoped follow-up.
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One code ask left here, plus a sequencing note so you only rebase once. The fix. The
Please hold the rebase until #2355 merges. This PR and #2355 both regenerate Cleanest path: land #2355 first, then one push here with the guard fix plus a rebase onto post-#2355 Everything else on this PR is verified fixed — this is the last item I have. |
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#2355 is merged ( Please don't use "Update branch" to catch up. It deadlocks the PR rather than helping: the One push should finish this PR:
That guard rewrite is the only thing blocking approval here — everything else on the PR is verified fixed. |
Upstream the OKE network fabric, closing gb200-oke-training's 'NET/RDMA intentionally left out until OCI-specific pod RDMA exposure is verified on the testbed' carve-out — the exposure below is validated on a production BM.GPU.GB200.4 NVL72 rack and a BM.GPU.L40S.4 RoCE cluster. - network-operator on both OKE training chains, NicClusterPolicy supplied by manifest (chart deployCR off). L40S (RoCE): SR-IOV VF device plugin advertising nvidia.com/mlnxnics (ConnectX VF device IDs 101a/101e) plus nv-ipam and multus. GB200 (IB): rdmaSharedDevicePlugin over the NVL72 east-west rdma0-3 netdevs, same nvidia.com/mlnxnics resource name; no SR-IOV/nv-ipam. Neither deploys ofedDriver: OCI nodes carry host MOFED in every image. Present in every gpuStack value (fabric is orthogonal to driver/plugin ownership); incompatible with Oracle's opt-in NvidiaNetworkOperator add-on. - GB200 kernel-module-params wiring (NVreg_GrdmaPciTopoCheckOverride=1): dma-buf attach over the IB fabric — GPUDirect RDMA without nvidia-peermem, whose chroot modprobe fails against the -64k Grace kernel. - nccl-all-reduce-bw-net (>= 40, matching gb200-eks-training) added to the gb200-oke training chain; supportedNCCLCombinations[variantNET] gains oke/gb200 with the ported testdata/gb200/oke/runtime-net.yaml TrainingRuntime (IB via the shared HCAs; NVLS/MNNVL forced off). - NicClusterPolicy image digest exemptions (repository/image/version triplet CRD schema, same as the AKS entries). Stock-render golden and BOM regenerated. Signed-off-by: Atif Mahmood <atif1996@users.noreply.github.com>
…eless resources Follow-ups from the multi-persona review round: - Pin the RDMA readiness gate's cohort-label supply chain on OKE: the chart's own nvidia-nics-rules NodeFeatureRule (deployNodeFeatureRules default true) labels vendor-15b3 nodes pci-15b3.present - verified rendered from the pinned 26.4.1 chart with the OKE values and live on a BM.GPU.GB300 NVL72 cluster (18/18 nodes labeled). Comments in both OKE values files plus a recipes test now fail immediately if someone copies AKS's deployNodeFeatureRules:false without also attaching a targeted rule manifest. - qualifiedNICResource rejects a config entry without resourceName instead of deriving a phantom "<prefix>/" the gate would poll until timeout; parser test row added. - Correct the fail-closed test docstring to the cases the table drives (zero-derivable-resources stays covered at the parser level). - Fix a stale generateName comment in the NVreg preflight. Signed-off-by: Atif Mahmood <atif1996@users.noreply.github.com>
…ive values The previous guard read deployNodeFeatureRules at the top level of the raw overlay YAML, but the chart key lives under nfd:, so both subtests took the early return and asserted nothing. Rewritten per review: resolves MERGED effective values (base values.yaml -> overlay) via recipe.GetComponentValuesWithContext, reads nfd.deployNodeFeatureRules, and derives the overlay set by glob so future OKE fabric leaves are covered automatically. Mutation-verified: flips at both the overlay level and the shared base values.yaml now fail the test. External test package to avoid the pkg/recipe -> recipes import cycle. Signed-off-by: Atif Mahmood <atif1996@users.noreply.github.com>
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@yuanchen8911 done in one push — old HEAD Guard rewrite ( Rebase + regen: goldens and BOM regenerated once at the end on the rebased tree (nothing hand-merged); the BOM diff vs main remains exactly this PR's four L40S NicClusterPolicy images (network-operator 5→9). recipes/validators matrix green locally. |
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Approving b6532b377. The NodeFeatureRule guard is now a real gate — verified by mutation rather than inspection: flipping nfd.deployNodeFeatureRules in an OKE overlay, in the shared base values.yaml, and in a hypothetical new values-oke-*.yaml leaf each fail the test with the intended diagnostic, and the t.Fatal on an empty glob closes the vacuity hole. That one rewrite covers the allowlist point too.
Everything else on this PR was verified fixed earlier: per-manifest RDMA resource derivation replacing the AKS-hardcoded poll, license headers and yamllint on all four new files, empty-resourceName rejection, and the fail-closed test docstring. The remaining nitpicks (internal timeout, thin error-wrap coverage, the EKS-only fabricEFA coupling) are agreed deferrals.
Also noting the branch was rebased properly this time — linear history, current with main.
…A#2356 Rebase artifact only. main's NVIDIA#2356 (OKE RDMA fabric wiring) changes the rendered image set and the catalog parity/render goldens. Regenerated rather than hand-merged; no VR200 content changes, and the presence.yaml-to-health-table invariant still holds. Signed-off-by: Yuan Chen <yuanchen97@gmail.com>
…A#2356 Rebase artifact only. main's NVIDIA#2356 (OKE RDMA fabric wiring) changes the rendered image set and the catalog parity/render goldens. Regenerated rather than hand-merged; no VR200 content changes, and the presence.yaml-to-health-table invariant still holds. Signed-off-by: Yuan Chen <yuanchen97@gmail.com>
…A#2356 Rebase artifact only. main's NVIDIA#2356 (OKE RDMA fabric wiring) changes the rendered image set and the catalog parity/render goldens. Regenerated rather than hand-merged; no VR200 content changes, and the presence.yaml-to-health-table invariant still holds. Signed-off-by: Yuan Chen <yuanchen97@gmail.com>
…A#2356 Rebase artifact only. main's NVIDIA#2356 (OKE RDMA fabric wiring) changes the rendered image set and the catalog parity/render goldens. Regenerated rather than hand-merged; no VR200 content changes, and the presence.yaml-to-health-table invariant still holds. Signed-off-by: Yuan Chen <yuanchen97@gmail.com>
…A#2356 Rebase artifact only. main's NVIDIA#2356 (OKE RDMA fabric wiring) changes the rendered image set and the catalog parity/render goldens. Regenerated rather than hand-merged; no VR200 content changes, and the presence.yaml-to-health-table invariant still holds. Signed-off-by: Yuan Chen <yuanchen97@gmail.com>
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Summary
Upstreams the OKE RDMA fabric: network-operator with manifest-supplied NicClusterPolicies on both OKE training chains (L40S SR-IOV/RoCE, GB200 IB), the GB200 kernel-module-params wiring, and the
nccl-all-reduce-bw-netperformance gate with its embedded TrainingRuntime — closing thegb200-oke-training"NET/RDMA intentionally left out until OCI-specific pod RDMA exposure is verified" carve-out.Motivation / Context
The exposure the carve-out was waiting for exists and is production-validated: a BM.GPU.GB200.4 NVL72 rack (IB east-west over rdma0-3,
rdmaSharedDevicePlugin, both NCCL variants passing) and a BM.GPU.L40S.4 RoCE cluster (SR-IOV VFs via device IDs 101a/101e, nv-ipam + multus). This PR ports that configuration from the downstream data repo, de-specialized: hardcoded scheduling taxonomy replaced by the bundler's system-node scheduling injection, downstream-only tolerations and resource aliases dropped.Independent of #2355 (originally stacked, since de-stacked and re-based on
main): the fabric is deliberately present in every gpuStack profile value (orthogonal to driver/plugin ownership), and each PR merges on its own. The one behavioral interaction — the GB200 kernel-module ConfigMap being consumed only underoperator-managed— is handled in this PR (see Implementation Notes).Fixes: #2345
Related: #2344, #1716
Type of Change
Component(s) Affected
pkg/recipe)pkg/validator)docs/,examples/)Implementation Notes
ofedDriveranywhere, in any configuration: OCI nodes carry host MOFED in every image (Oracle and BYO alike). The device-plugin corollary (MOFED_ENABLED=false) landed in the profile PR.nvidia.com/mlnxnics, so workloads request RDMA uniformly on OKE.deployCR: false+ manifest CR: the manifest is the only place the OCI VF selectors / IB ifNames can be expressed; the CR carries the standard post-install Helm hook annotations (deployment-ordering test enforces them).-64kGrace kernel. GB200 needsNVreg_GrdmaPciTopoCheckOverride=1(kernel-module-params ConfigMap, already embedded — this PR adds the wiring).driver.kernelModuleConfigis consumed only when a GPU Operator driver DaemonSet runs (gpuStack=operator-managed); under the default image-driver profile it is rendered but inert, and it cannot move into the profile'soperator-managedfragment (fragments are family-wide; only this leaf ships the ConfigMap — a family-wide reference would dangle on every other OKE recipe's driver pods). The overlay documents this consumption scope, and the NVreg NCCL preflight now covers OKE (gb200NetPreflightApplies: GB200+NET on EKS and OKE) so a host driver missing the flag fails the-netcheck closed with remediation naming both routes — the ClusterPolicy ConfigMap when the operator manages the driver, image/modprobe.dwhen the driver ships in the node image. No silent Socket fallback on either profile.helper.AKSRdmaSharedResource—rdmaFabricResource()renders the recipe's own NicClusterPolicy manifest and derives the advertised resource from the embedded device-plugin config (rdmaSharedDevicePlugin/sriovDevicePlugin, with each plugin's documented default prefix), failing closed on parse failure, zero derivable resources, or multiple distinct ones.TestRDMAFabricResource_RealManifestsparses all three shipped manifests and pins the AKS result to the NCCL consumer's constant so they cannot drift.supportedNCCLCombinations[variantNET]gains oke/gb200 withtestdata/gb200/oke/runtime-net.yaml(NVLS/MNNVL forced off; transport confirmed from the NCCL banner). Constraint>= 40matches gb200-eks-training.NvidiaNetworkOperatoradd-on conflict: documented on the componentRefs and in the rollout notes (two lifecycle managers, one release); runtime detection is tracked as OKE: detect Oracle's NvidiaNetworkOperator add-on before deploying the network-operator component #2522 — aK8s.oke-addons.nvidia-network-operator: absentgeneration constraint on the fabric leaves, blocked on feat(recipes): gpuStack profile for the OKE family #2355's projection merging (the subtype does not exist on this PR's base).Testing
make qualify # green-postNicClusterPolicy wrapper;ofedDriverabsent from both rendered CRs; GB200 bundle carries the kernel-module-params ConfigMap.TestOKEPerformanceGoalsFollowTrainingInferencePatternupdated for the NET check on all three gb200 training leaves;TestNCCLCombinationSupportedOKE NET row flipped to covered; parity goldens + BOM regenerated (image digest exemptions are now manifest-scoped for ALL entries — a tag reused by another resource cannot ride an existing exemption past the digest check).TestRDMAFabricResource_RealManifests(all three shipped NCPs), fail-closed cases (missing manifest, multiple distinct resources), and the parser state matrix; NVreg preflight applicability matrix extended with the OKE rows.Risk Assessment
Rollout notes: Additive for existing OKE users without RDMA-capable pools (the NicClusterPolicy DaemonSets simply schedule nowhere without matching NICs). Clusters running Oracle's NvidiaNetworkOperator add-on must disable it before deploying these bundles (#2522 tracks failing closed on that automatically once #2355's add-on projection is available).
Checklist
make testwith-race)make lint)git commit -S)