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GitOps and IaC at Scale – AWS, ArgoCD, Terragrunt, and OpenTofu – Part 2 – Creating Spoke environments
- The article discusses deploying spokes cluster using the GitOps bridge framework with AWS enterprise capabilities and security best practices.
- Considerations include using one IaC repository for accounts, teams, or squads based on organizational structure.
- Capacity planning varies, with some organizations sharing clusters and grouping applications by namespaces.
- The architecture can have a single hub managing multiple environments or separate hubs for each environment cluster.
- Capacity planning and networking are main challenges addressed in the deployment scenarios.
- Implementations involve setting up credentials, enabling RAM as a trusted service, and creating IAM roles for authentication.
- Infrastructure is managed using tools like Terragrunt, creating parameter stores and IAM roles for authentication.
- The GitOps bridge stack includes configurations for handling secrets, enabling IRSA roles, and managing cluster authentication.
- Spoke cluster infrastructure is managed separately, allowing custom CI/CD pipelines and features for each team.
- The article concludes by emphasizing the importance of managing cluster secrets and metadata information in the spoke clusters.
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