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Preparing Kubernetes for Dynamic Admission Controllers
Admission controllers vet Kubernetes objects before running and can be a powerful part of a Kubernetes cluster. However, not all Kubernetes installs are set up to use admission controllers out of the box. In this lab, we'll check to see if the provided Kubernetes setup can use the provided admission controller and then set up our Kubernetes server to use the desired controller.

Lab Info
Table of Contents
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Challenge
Attempt to Run Fail State
Run the provided
bad-pod.yml
file to see if the admission controller stops its creation.Remove the Pod if it fails.
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Challenge
Check Setup
Check to see if the admission registration's API is enabled. Also, check for enabled admission controllers.
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Challenge
Enable Controller
Enable the
ImagePolicyWebhook
controller on thekube-apiserver
. -
Challenge
Test Setup
Check that the admission controller runs as intended.
NOTE:
kube-apiserver
may take several moments to restart.
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