How to manage EKS Pod Identities at scale using Argo CD and AWS ACK

This article provides a comprehensive guide on managing EKS Pod Identities at scale using Argo CD and AWS Controllers for Kubernetes (ACK), addressing challenges with IAM role associations in Kubernetes environments.

• EKS Pod Identity simplifies IAM permissions management for Kubernetes applications
• The article demonstrates how to address the eventually consistent nature of the EKS Pod Identity API
• Two primary solutions are proposed:
  • Using a validation job to verify IAM role configuration
  • Adjusting sync wave delay (with potential performance implications)
• Key technologies used include:
  • Argo CD for GitOps workflow
  • AWS Controllers for Kubernetes (ACK)
  • EKS Pod Identity Agent

The approach provides a reliable method for automating application deployments with specific IAM permissions while maintaining GitOps best practices.