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You're reading from  Kubernetes - A Complete DevOps Cookbook

Product typeBook
Published inMar 2020
PublisherPackt
ISBN-139781838828042
Edition1st Edition
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Author (1)
Murat Karslioglu
Murat Karslioglu
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Murat Karslioglu

Murat Karslioglu is a distinguished technologist with years of experience using infrastructure tools and technologies. Murat is currently the VP of products at MayaData, a start-up that builds data agility platform for stateful applications, and a maintainer of open source projects, namely OpenEBS and Litmus. In his free time, Murat is busy writing practical articles about DevOps best practices, CI/CD, Kubernetes, and running stateful applications on popular Kubernetes platforms on his blog, Containerized Me. Murat also runs a cloud-native news curator site, The Containerized Today, where he regularly publishes updates on the Kubernetes ecosystem.
Read more about Murat Karslioglu

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Assigning applications to nodes

In this section, we will make sure that pods are not scheduled onto inappropriate nodes. You will learn how to schedule pods into Kubernetes nodes using node selectors, taints, toleration and by setting priorities.

Getting ready

Make sure you have a Kubernetes cluster ready and kubectl and helm configured to manage the cluster resources.

How to do it…

This section is further divided into the following subsections to make this process easier:

  • Labeling nodes
  • Assigning pods to nodes using nodeSelector
  • Assigning pods to nodes using node and inter-pod affinity

Labeling nodes

Kubernetes labels are used for specifying the important attributes of resources that can be used to apply organizational structures onto system objects. In this recipe, we will learn about the common labels that are used for Kubernetes nodes and apply a custom label to be used when scheduling pods into nodes.

Let's perform the following steps to list some of the default labels...

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Kubernetes - A Complete DevOps Cookbook
Published in: Mar 2020Publisher: PacktISBN-13: 9781838828042

Author (1)

author image
Murat Karslioglu

Murat Karslioglu is a distinguished technologist with years of experience using infrastructure tools and technologies. Murat is currently the VP of products at MayaData, a start-up that builds data agility platform for stateful applications, and a maintainer of open source projects, namely OpenEBS and Litmus. In his free time, Murat is busy writing practical articles about DevOps best practices, CI/CD, Kubernetes, and running stateful applications on popular Kubernetes platforms on his blog, Containerized Me. Murat also runs a cloud-native news curator site, The Containerized Today, where he regularly publishes updates on the Kubernetes ecosystem.
Read more about Murat Karslioglu