Add-on compatibility

Karpenter EKS compatibility checks

Karpenter is a Platform addon dependency to validate before and after Amazon EKS control-plane upgrades. Node provisioning APIs and disruption settings can change quickly; verify release notes before cluster upgrades.

Why this add-on matters

  • Node provisioning APIs and disruption settings can change quickly; verify release notes before cluster upgrades.
  • Add-on type: Platform addon.
  • Primary source: Karpenter documentation.

Preflight commands

  • kubectl get nodepools,nodeclaims,ec2nodeclasses -A
  • helm -n karpenter list

Upgrade validation

  • Confirm Karpenter is installed and owned by the expected delivery mechanism.
  • Review version compatibility and release notes before changing the EKS control plane.
  • Run workload smoke tests that exercise this add-on after each control-plane hop.
  • Capture output in the change packet with any exceptions or follow-up work.