Authors: Andrew Sy Kim (Google), Dixita Narang (Google) Kubernetes v1.26 introduced generally available (GA) support for kubelet credential provider plugins, offering an extensible plugin framework to dynamically fetch credentials for any container image registry.

Background

Kubernetes supports the ability to dynamically fetch credentials for a container registry service.Prior to Kubernetes v1.20, this capability was compiled into the kubelet and only available for Amazon Elastic Container Registry, Azure Container Registry, and Google Cloud Container Registry.

Figure 1:Kubelet built-in credential provider support for Amazon

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