feat(recipes): add GKE GB200 (A4X) recipe with NVLS NCCL validation - #2338

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mikecook wants to merge 8 commits into

NVIDIA:mainfrom

mikecook:feat/gke-gb200-recipe

Commits on Aug 28, 2026

chore(make): add update-goldens target for golden fixture regeneration
mikecook
committed
5a3aa03
fix(chainsaw): guard DaemonSet health checks against stale rollouts
mikecook
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1ad49af
fix(validator): tolerate all taints on Trainer/JobSet controller Deployments
mikecook
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b41a2ab
fix(validator): widen Trainer controller readiness timeout
mikecook
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fcc0c92
fix(validator): reject incompatible StorageClass before model-cache PVC create
mikecook
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4f2bfae
fix(validator): isolate each NCCL benchmark run in its own namespace
mikecook
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6cd1d84
fix(validator): wait for NCCL benchmark namespace to fully terminate
mikecook
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bbec217
feat(recipes): add GKE GB200 (A4X) recipe with NVLS NCCL validation
mikecook
committed
5576c8b