With each HTTP request to the API server, the authentication plug-in looks for the username, UID, and group(s). When communicating with a Kubernetes cluster, what kubectl is actually doing is interacting with the API server. #How Does Dex for Kubernetes Work?īefore getting into the details of how Dex works, it’s important to understand how the Kubernetes authentication process works. Moreover, as you will learn in the following sections, Dex also makes it possible to enforce better security and bring a modern and convenient login experience to Kubernetes. Put another way, you can think of Dex as an intermediary between kubectl and widely used identity providers like Okta, GitHub, Google, Microsoft, and Linkedin, among others.ĭex’s ability to serve as a bridge between Kubernetes and other identity providers allows administrators to implement centralized user and group management, which is essential in organizations with multiple teams.
that uses OpenID Connect (OIDC) to link Kubernetes and other OIDC-compatible services with a myriad of identity providers. #What is Dex?ĭex is an open source CNCF sandbox project and authentication service released by CoreOS, Inc. We’ll explore some of the problems it can solve, walk through a high-level overview of setting it up with a third-party identity provider, and consider some problems that still need to be solved that Dex doesn’t cover. In this article, you’ll learn more about Dex for Kubernetes. For that reason, Dex has become one of the best authentication solutions available for Kubernetes. Far from being a disadvantage, however, this allows administrators to integrate the most appropriate identity service provider for their organization.
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