- Lab
- A Cloud Guru
Managing Kubernetes Admission Controllers
Kubernetes admission controllers act on request by validating their parameters or modifying (i.e., mutating) them to meet certain requirements or criteria. In this hands-on lab, you will be tasked with enabling and disabling specific admission controllers in order to take advantage of the functionality they provide.
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Table of Contents
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Challenge
Enable and Disable Admission Controllers
- Modify the
kube-apiserver.yamlfile with the following updates:- Ensure that the following admission controllers are enabled:
NodeRestriction,NamespaceAutoProvision,AlwaysPullImages, andPodSecurity. - Ensure that the following admission controllers are disabled:
MutatingAdmissionWebhook,ValidatingAdmissionWebhook, andDenyServiceExternalIPs. - Save and quit the
kube-apiserver.yamlfile.
- Ensure that the following admission controllers are enabled:
- Validate that the
kube-apiserverpod redeploys successfully by issuing a simplekubectlcommand (the pod can take several seconds to redeploy).
- Modify the
What's a lab?
Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.
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