Kubernetes for Mac: How to Consume Shiny AWS Mac Shapes for iOS Builds
summary
Evaluates running iOS builds on AWS mac1.metal by comparing manual EC2 orchestration to Kubernetes-managed fleets, using Flare.build for Bazel remote execution and Elotl’s nodeless Kubernetes to auto-provision Mac hosts. Implements an HPA named Bill Scalar that scales CI agents from pending-job metrics, reuses busy Macs to mitigate the 24‑hour billing minimum, and folds CI and Bazel workers onto the same nodes. Reports up to ~10% bad mac1 instances observed, Bill Scalar is open source, mac auto‑scaler remains closed source.
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chapters (14)
- 0:00Introduction
- 0:31About Flare
- 1:50About Madhuri
- 3:11BAZEL
- 5:10AWS Mac Minis
- 6:10Issues with AWS Mac Compute
- 8:10Problems with AWS Mac Compute
- 10:10Solution evolution
- 11:08Benefits
- 17:42Kubernetes Stack
- 19:50Layers in Action
- 22:43Nodeless Kubernetes in Action
- 28:43Future Roadmap
- 34:43Questions
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