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GitOps
Argo CD, agent workflows, CI/CD boundaries, and declarative delivery systems.
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All posts- A Certificate Delivery Bridge Between Argo CD and Non-AWS ClustersHow a hub-issued Argo CD Agent certificate crosses an AWS Secrets Manager boundary through ESO PushSecret and ExternalSecret, without giving the non-AWS spoke ACM Private CA access.
- When Argo CD Login Loops Forever: The argocd-agent Redis Proxy NetworkPolicy TrapDebugging an Argo CD login loop on a hub-and-spoke argocd-agent setup — from an OIDC callback loop and i/o timeouts down to a cross-chart NetworkPolicy gap that only bit us where enforcement was actually on.
- Kubeconform: Catching Invalid Kubernetes Manifests Before They Hit Your ClusterHow we added schema validation to our Helm chart CI pipeline using kubeconform — solving the CRD schema problem, extracting schemas from live clusters, and surfacing results directly in PR comments.
- Self-Hosted GitHub Actions Runners on EKS with Actions Runner Controller (ARC)Setting up GitHub Actions Runner Controller v2 on an existing AWS EKS cluster — from Helm installation and GitHub App authentication to troubleshooting missing tools on minimal runner images.
- Starting vamsisethu.comWhy I am building a small portfolio and technical blog around DevOps, SRE, and platform engineering.