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Argo CD Ephemeral Access in Action: Lessons Learned While Runnin...

Talkat ArgoCon Europe 2025 · on Tuesday, 2025-04-01· [security, devops-and-delivery]
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Intuit runs Argo CD at scale—50+ Argo CD instances, 345+ Kubernetes clusters and ~24,000 PRs/day—and implements an Argo CD ephemeral access extension that enforces change requests on 100% of production UI actions. The system uses role templates and access bindings CRDs to map JWT group claims to fine‑grained roles, a configurable conditional extension keyed by labels, and a Go plugin interface that returns pending/granted/denied to drive timed grants and automatic revocation; the demo shows role-limited restart, spec edit, and controlled deletes working end-to-end.

AI-written summary · about

  1. 0:00Introduction
  2. 1:16Operating at scale
  3. 2:34Problem identification
  4. 5:02The ephemeral access extension
  5. 6:42Technical enhancements
  6. 16:16Live demonstration
  7. 20:56Results and conclusion
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