
Salih Bozkaya developed a multi-cluster IAM enhancement for the EnterpriseDB/cloudnative-pg repository, enabling a Shared ServiceAccount to be referenced and reused across clusters and poolers. He implemented an optional serviceAccountName field in both ClusterSpec and PoolerSpec, allowing operators to specify an existing ServiceAccount for all pods, jobs, deployments, and RoleBindings. The solution included validation to ensure the ServiceAccount exists, enforced immutability, and maintained DNS naming compliance. Built with Go and leveraging Kubernetes and cloud infrastructure skills, this work improved cross-cloud IAM management, supported AWS IRSA, GCP, and Azure identity providers, and maintained backward compatibility without introducing breaking changes.
In March 2026, EnterpriseDB/cloudnative-pg delivered a major multi-cluster IAM enhancement that enables a Shared ServiceAccount across clusters and poolers, reducing per-resource IAM setup and drift. The update introduces an optional serviceAccountName in both ClusterSpec and PoolerSpec, allowing referencing a pre-existing ServiceAccount and reusing it across all pods, jobs, deployments, and RoleBindings. The operator validates the referenced SA exists, avoids creating an operator-managed SA, and enforces immutability and DNS naming rules. This change provides a secure, scalable IAM model with no breaking changes (defaults to the resource name when not specified) and supports cross-cloud identity providers (AWS IRSA, GCP Workload Identity, Azure Workload Identity). Closes issue #10276 and enhances cross-cluster security posture and operational efficiency.
In March 2026, EnterpriseDB/cloudnative-pg delivered a major multi-cluster IAM enhancement that enables a Shared ServiceAccount across clusters and poolers, reducing per-resource IAM setup and drift. The update introduces an optional serviceAccountName in both ClusterSpec and PoolerSpec, allowing referencing a pre-existing ServiceAccount and reusing it across all pods, jobs, deployments, and RoleBindings. The operator validates the referenced SA exists, avoids creating an operator-managed SA, and enforces immutability and DNS naming rules. This change provides a secure, scalable IAM model with no breaking changes (defaults to the resource name when not specified) and supports cross-cloud identity providers (AWS IRSA, GCP Workload Identity, Azure Workload Identity). Closes issue #10276 and enhances cross-cluster security posture and operational efficiency.

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