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Assigning a Kubernetes Pod to a Specific Node

Kubernetes scheduling usually doesn't need much help in order to determine which node to run a pod on. However, you may occasionally wish to have a little more control. In this lab, you will be able to practice the process of ensuring a pod runs on a specific node.

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Path Info

Level
Clock icon Intermediate
Duration
Clock icon 30m
Published
Clock icon Sep 03, 2020

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Table of Contents

  1. Challenge

    Configure the `auth-gateway` Pod to Only Run on `k8s-worker2`

    Locate the auth-gateway pod in the beebox-auth namespace. Modify the pod, using a label and a nodeSelector constraint, so it will always be scheduled on k8s-worker2. You will need to delete and re-create the pod in order for these changes to take effect.

    You can find a YAML descriptor for this pod at /home/cloud_user/auth-gateway.yml.

  2. Challenge

    Configure the `auth-data` Deployment's Replica Pods to Only Run on `k8s-worker2`

    You will find the auth-data deployment in the beebox-auth namespace. Modify the deployment, using a nodeSelector constraint, so its replica pods will always run on k8s-worker2. These changes should take effect once you make this change via a rolling deployment.

    You can find a YAML descriptor for this pod at /home/cloud_user/auth-data.yml.

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Pluralsight Skills

Pluralsight Skills gives leaders confidence they have the skills needed to execute technology strategy. Technology teams can benchmark expertise across roles, speed up release cycles and build reliable, secure products. By leveraging our expert content, skill assessments and one-of-a-kind analytics, keep up with the pace of change, put the right people on the right projects and boost productivity. It's the most effective path to developing tech skills at scale.

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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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.
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