Bridging CNCF and OpenInfra: Kubernetes as the Unified Control Plane for Sovereign Clouds
summary
Kubernetes becomes the unified control plane: a Kubernetes‑managed OpenStack distribution CobaltCore bridges CNCF and OpenInfra using Kubernetes Resource Model CRDs, Metal API and Wire API operators for bare‑metal provisioning and SDN, Gardener bootstrapped on metal to run thousands of clusters, a KVM hypervisor operator (cloud‑hypervisor + Garden Linux), Rook/Ceph storage, and an Nvidia GPU operator. The stack runs in production—SAP Cloud Infrastructure across 15 regions carrying about half of SAP’s workload—with vendor plugins to avoid lock‑in.
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chapters (8)
- 0:00Introduction
- 3:18Extending Kubernetes control plane
- 8:15Bare metal OS architecture
- 10:44Self-hosting Kubernetes on bare metal
- 13:41Compute, storage, and AI layers
- 15:49Operations platform and security
- 16:53From bash to cloud infrastructure
- 17:37Sovereign infrastructure vision
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