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Kubernetes in Production Best Practices

You're reading from   Kubernetes in Production Best Practices Build and manage highly available production-ready Kubernetes clusters

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Product type Paperback
Published in Mar 2021
Publisher Packt
ISBN-13 9781800202450
Length 292 pages
Edition 1st Edition
Tools
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Authors (2):
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Aly Saleh Aly Saleh
Author Profile Icon Aly Saleh
Aly Saleh
Murat Karslioglu Murat Karslioglu
Author Profile Icon Murat Karslioglu
Murat Karslioglu
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Toc

Table of Contents (12) Chapters Close

Preface 1. Chapter 1: Introduction to Kubernetes Infrastructure and Production-Readiness 2. Chapter 2: Architecting Production-Grade Kubernetes Infrastructure FREE CHAPTER 3. Chapter 3: Provisioning Kubernetes Clusters Using AWS and Terraform 4. Chapter 4: Managing Cluster Configuration with Ansible 5. Chapter 5: Configuring and Enhancing Kubernetes Networking Services 6. Chapter 6: Securing Kubernetes Effectively 7. Chapter 7: Managing Storage and Stateful Applications 8. Chapter 8: Deploying Seamless and Reliable Applications 9. Chapter 9: Monitoring, Logging, and Observability 10. Chapter 10: Operating and Maintaining Efficient Kubernetes Clusters 11. Other Books You May Enjoy

Configuring the clusters

Now we put the solution we designed in the previous section into action. We will start by developing the Ansible framework skeleton, which will consist of the following parts:

  • group_vars: This directory contains the manifest configuration files with variables' default unless a cluster defines its own private variables in its own inventory.
  • inventories: This directory contains the configuration files with variables' values, which are specific to each cluster or cluster group, meaning that variables defined here override default variables defined under the groups_vars directory.
  • tasks: In this directory, we define a separate task for each cluster service and add-on that we need to deploy and configure; the task definition file is standard across tasks, as we will use Ansible's k8s module and pass to it the YAML templates to deploy against the target cluster.
  • templates: This directory contains the Kubernetes manifest YAMLs and...
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