Terminology

This glossary defines some of the most common Kubernetes-related terms used in the book. Ping me if you think I’ve missed anything important:

  • tkb@nigelpoulton.com
Term Definition (according to Nigel)
Admission controller Code that validates or mutates resources to enforce policies. Runs as part of the API admission chain immediately after authentication and authorization.
   
Annotation Object metadata that can be used to expose alpha or beta capabilities or integrate with third-party systems.
   
API Application Programming Interface. In the case of Kubernetes, all resources are defined in the API, which is RESTful and exposed via the API server.
   
API group A set of related API resources. For example, networking ...

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