Skip to content

Contact sales

By filling out this form and clicking submit, you acknowledge our privacy policy.
  • Labs icon Lab
  • A Cloud Guru
Google Cloud Platform icon

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.

Google Cloud Platform icon

Path Info

Clock icon Intermediate
Clock icon 30m
Clock icon Mar 24, 2023

Contact sales

By filling out this form and clicking submit, you acknowledge our privacy policy.

Table of Contents

  1. Challenge

    Enable and Disable Admission Controllers

    • Modify the kube-apiserver.yaml file with the following updates:
      • Ensure that the following admission controllers are enabled: NodeRestriction, NamespaceAutoProvision, AlwaysPullImages, and PodSecurity.
      • Ensure that the following admission controllers are disabled: MutatingAdmissionWebhook, ValidatingAdmissionWebhook, and DenyServiceExternalIPs.
      • Save and quit the kube-apiserver.yaml file.
    • Validate that the kube-apiserver pod redeploys successfully by issuing a simple kubectl command (the pod can take several seconds to redeploy).

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

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.

Provided environment for hands-on practice

We will provide the credentials and environment necessary for you to practice right within your browser.

Guided walkthrough

Follow along with the author’s guided walkthrough and build something new in your provided environment!

Did you know?

On average, you retain 75% more of your learning if you get time for practice.

Start learning by doing today

View Plans