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You're reading from  Kubernetes - A Complete DevOps Cookbook

Product typeBook
Published inMar 2020
PublisherPackt
ISBN-139781838828042
Edition1st Edition
Tools
Kubernetes
Concepts
DevOps
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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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Auto-healing pods in Kubernetes

Kubernetes has self-healing capabilities at the cluster level. It restarts containers that fail, reschedules pods when nodes die, and even kills containers that don't respond to your user-defined health checks.

In this section, we will perform application and cluster scaling tasks. You will learn how to use liveness and readiness probes to monitor container health and trigger a restart action in case of failures.

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:

  • Testing self-healing pods
  • Adding liveness probes to pods

Testing self-healing pods

In this recipe, we will manually remove pods in our deployment to show how Kubernetes replaces them. Later, we will learn how to automate this using a user-defined health check. Now, let's test Kubernetes' self...

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Kubernetes - A Complete DevOps Cookbook
Published in: Mar 2020Publisher: PacktISBN-13: 9781838828042
© 2020 Packt Publishing Limited All Rights Reserved

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

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