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Mastering Kubernetes

Mastering Kubernetes - Third Edition

By : Gigi Sayfan
4.2 (21)
Buy this Book
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Mastering Kubernetes

Mastering Kubernetes

4.2 (21)
By: Gigi Sayfan
Buy this Book

Overview of this book

The third edition of Mastering Kubernetes is updated with the latest tools and code enabling you to learn Kubernetes 1.18’s latest features. This book primarily concentrates on diving deeply into complex concepts and Kubernetes best practices to help you master the skills of designing and deploying large clusters on various cloud platforms. The book trains you to run complex stateful microservices on Kubernetes including advanced features such as horizontal pod autoscaling, rolling updates, resource quotas, and persistent storage backend. With the two new chapters, you will gain expertise in serverless computing and utilizing service meshes. As you proceed through the chapters, you will explore different options for network configuration and learn to set up, operate, and troubleshoot Kubernetes networking plugins through real-world use cases. Furthermore, you will understand the mechanisms of custom resource development and its utilization in automation and maintenance workflows. By the end of this Kubernetes book, you will graduate from an intermediate to advanced Kubernetes professional.
Table of Contents (19 chapters)
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Preface
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Preface
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Who this book is for
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What this book covers
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To get the most out of this book
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Get in touch
1
Understanding Kubernetes Architecture
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Understanding Kubernetes Architecture
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What is Kubernetes?
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Kubernetes concepts
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Diving into Kubernetes architecture in depth
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Kubernetes runtimes
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Continuous integration and deployment
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Summary
Lock Free Chapter
2
Creating Kubernetes Clusters
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Overview
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Creating a single-node cluster with Minikube
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Creating a multi-node cluster with KinD
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Creating a multi-node cluster with k3d
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Comparing Minikube, KinD, and k3d
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Creating clusters in the cloud (GCP, AWS, Azure)
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Creating a bare-metal cluster from scratch
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Summary
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References
3
High Availability and Reliability
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High Availability and Reliability
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High availability concepts
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High availability best practices
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High availability, scalability, and capacity planning
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Live cluster updates
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Large cluster performance, cost, and design trade-offs
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Summary
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References
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Securing Kubernetes
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Securing Kubernetes
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Understanding Kubernetes security challenges
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Hardening Kubernetes
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Running a multi-user cluster
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Summary
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References
5
Using Kubernetes Resources in Practice
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Using Kubernetes Resources in Practice
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Designing the Hue platform
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Using Kubernetes to build the Hue platform
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Separating internal and external services
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Advanced scheduling
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Using namespaces to limit access
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Using kustomization for hierarchical cluster structures
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Launching jobs
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Mixing non-cluster components
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Evolving the Hue platform with Kubernetes
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Summary
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References
6
Managing Storage
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Managing Storage
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Persistent volumes walkthrough
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Public cloud storage volume types – GCE, AWS, and Azure
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GlusterFS and Ceph volumes in Kubernetes
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Flocker as a clustered container data volume manager
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Integrating enterprise storage into Kubernetes
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Projecting volumes
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Using out-of-tree volume plugins with FlexVolume
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The Container Storage Interface
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Summary
7
Running Stateful Applications with Kubernetes
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Running Stateful Applications with Kubernetes
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Stateful versus stateless applications in Kubernetes
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Deploying and Updating Applications
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Deploying and Updating Applications
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Horizontal pod autoscaling
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Performing rolling updates with autoscaling
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Handling scarce resources with limits and quotas
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Choosing and managing the cluster capacity
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Pushing the envelope with Kubernetes
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Summary
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Packaging Applications
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Packaging Applications
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Understanding Helm
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Using Helm
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Creating your own charts
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Summary
10
Exploring Advanced Networking
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Exploring Advanced Networking
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Understanding the Kubernetes networking model
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Kubernetes networking solutions
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Using network policies effectively
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Load balancing options
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Writing your own CNI plugin
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Summary
11
Running Kubernetes on Multiple Clouds and Cluster Federation
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Running Kubernetes on Multiple Clouds and Cluster Federation
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The history of cluster federation on Kubernetes
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Understanding cluster federation
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Managing a Kubernetes Cluster Federation
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Introducing the Gardener project
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Summary
12
Serverless Computing on Kubernetes
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Serverless Computing on Kubernetes
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Understanding serverless computing
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Serverless Kubernetes in the cloud
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Knative
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Kubernetes FaaS frameworks
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Summary
13
Monitoring Kubernetes Clusters
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Monitoring Kubernetes Clusters
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Understanding observability
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Logging with Kubernetes
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Collecting metrics with Kubernetes
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Distributed tracing with Jaeger
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Troubleshooting problems
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Summary
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Utilizing Service Meshes
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Utilizing Service Meshes
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What is a service mesh?
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Choosing a service mesh
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Incorporating Istio into your Kubernetes cluster
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Summary
15
Extending Kubernetes
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Extending Kubernetes
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Working with the Kubernetes API
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Extending the Kubernetes API
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Writing Kubernetes plugins
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Employing access control webhooks
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Summary
16
The Future of Kubernetes
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The Future of Kubernetes
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The Kubernetes momentum
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The rise of managed Kubernetes platforms
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Upcoming trends
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Summary
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References
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Other Books You May Enjoy
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Other Books You May Enjoy
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Index
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Index

Overview

In the previous chapter, we learned what Kubernetes is all about, how it is designed, what concepts it supports, its runtime engines, and how it fits within the CI/CD pipeline.

Creating a Kubernetes cluster from scratch is a non-trivial task. There are many options and tools to select from. There are many factors to consider. In this chapter, we will roll our sleeves up and build us some Kubernetes clusters using Minikube, KinD, and K3d. We will discuss and evaluate other tools such as Kubeadm, Kubespray, KRIB, RKE, and bootkube. We will also look into deployment environments such as local, cloud, and bare metal. The topics we will cover are as follows:

  • Creating a single-node cluster with Minikube
  • Creating a multi-node cluster with KinD
  • Creating a multi-node cluster using k3d
  • Creating clusters in the cloud
  • Creating bare-metal clusters from scratch
  • Reviewing other options for creating Kubernetes clusters

At the end of this chapter, you will have a solid understanding of the various options to create Kubernetes clusters and knowledge of the best-of-breed tools to support the creation of Kubernetes clusters. You will have also built several clusters, both single-node and multi-node.

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Mastering Kubernetes
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