Kubernetes Explained Simply: #3 What Do I Have Permissions For?

Kubernetes Explained Simply: #3 What Do I Have Permissions For?

Stretching as far back as version 1.8 (in September of 2017), Kubernetes has supported a fine-grained access control mechanism called RBAC.  Nothing gets done via the Kubernetes API that isn't governed by some sort permission or another, and there are a lot of them.

Stretching as far back as version 1.8 (in September of 2017), Kubernetes has supported a fine-grained access control mechanism called RBAC. Nothing gets done via the Kubernetes API that isn't governed by some sort permission or another, and there are a lot of them.

Couple that with per-deployment service accounts, named user access credentials, and project-specific namespaces, and you've got the makings of a complex authorization scenario.

At times, you'll wonder precisely which permissions you, or a service account you use, have been granted – that's when you should reach for 

kubectl auth can-i.

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