Bare Metal K8s Clustering at Chick-fil-A Scale

Edge Compute hardware and a typical installation

Clustering: Options we considered

RKE

Installation Process

Introducing Highlander

  • Switching out KubeDNS for CoreDNS
  • Setting up Istio / other core control plane pods
  • OAuth identity negotiation **

Process in aggregate

(Inevitable) Failures

What’s next?

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Chick-fil-A Tech Blog

Chick-fil-A Tech Blog

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