K8s nesting horror: kcp on bare metal running KubeVirt VMs hosting guest clusters with GPU pods

sloppenheimer · x · 2026-11-03

Developer sloppenheimer showcases a horrifying infrastructure matryoshka: kcp managing K8s partitions on bare metal, running KubeVirt VMs as pods, which host guest K8s clusters running GPU pods across a network grid. He notes he could nest one more hypervisor layer so tenants could run kata containers — joking that even his agents couldn't come up with a configuration this deranged.

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