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Hands-On Kubernetes on Azure

You're reading from Hands-On Kubernetes on Azure Automate management, scaling, and deployment of containerized applications

Product type Paperback

Published in May 2020

Publisher Packt

ISBN-13 9781800209671

Length 368 pages

Edition 2nd Edition

Tools

Azure

Concepts

Containerization

Authors (3):

Nills Franssens

Gunther Lenz

Shivakumar Gopalakrishnan

View More author details

Table of Contents (16) Chapters

Preface

About Hands-On Kubernetes on Azure, Second Edition

Section 1: The Basics

1. Introduction to Docker and Kubernetes FREE CHAPTER

2. Kubernetes on Azure (AKS)

Section 2: Deploying on AKS

3. Application deployment on AKS

4. Building scalable applications

5. Handling common failures in AKS

6. Securing your application with HTTPS and Azure AD

7. Monitoring the AKS cluster and the application

Section 3: Leveraging advanced Azure PaaS services

8. Connecting an app to an Azure database

9. Connecting to Azure Event Hubs

10. Securing your AKS cluster

11. Serverless functions

Index

5. Handling common failures in AKS

Kubernetes is a distributed system with many working parts. AKS abstracts most of it for you, but it is still your responsibility to know where to look and how to respond when bad things happen. Much of the failure handling is done automatically by Kubernetes; however, you will encounter situations where manual intervention is required.

There are two areas where things can go wrong in an application that is deployed on top of AKS. Either the cluster itself has issues, or the application deployed on top of the cluster has issues. This chapter focuses specifically on cluster issues. There are several things that can go wrong with a cluster.

The first thing that can go wrong is a node in the cluster can become unavailable. This can happen either due to an Azure infrastructure outage or due to an issue with the virtual machine itself, such as an operating system crash. Either way, Kubernetes monitors the cluster for node failures and will...

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Authors (3)

Nills Franssens

Nills Franssens

Nills Franssens is a technology enthusiast and a specialist in multiple open-source technologies. He has been working with public cloud technologies since 2013. In his current position as a Principal Cloud Solutions Architect at Microsoft, he works with Microsoft's strategic customers on their cloud adoption. He has worked with multiple customers in migrating applications to run on Kubernetes on Azure. Nills' areas of expertise are Kubernetes, networking, and storage in Azure. When he's not working, you can find Nills playing board games with his wife Kelly and friends, or running one of the many trails in San Jose, California.

See other products by Nills Franssens

Lenz

Lenz

Gunther Lenz is senior director of the technology office at Varian. He is an innovative software R&D leader, architect, MBA, published author, public speaker, and strategic technology visionary with more than 20 years of experience. He has a proven track record of successfully leading large, innovative, and transformational software development and DevOps teams of more than 50 people, with a focus on continuous improvement. He has defined and lead distributed teams throughout the entire software product lifecycle by leveraging groundbreaking processes, tools, and technologies such as the cloud, DevOps, lean/agile, microservices architecture, digital transformation, software platforms, AI, and distributed machine learning. He was awarded Microsoft Most Valuable Professional for Software Architecture (2005-2008). Gunther has published two books, .NET – A Complete Development Cycle and Practical Software Factories in .NET.

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Gopalakrishnan

Gopalakrishnan

Shivakumar Gopalakrishnan is DevOps architect at Varian Medical Systems. He has introduced Docker, Kubernetes, and other cloud-native tools to Varian product development to enable "Everything as Code". He has years of software development experience in a wide variety of fields, including networking, storage, medical imaging, and currently, DevOps. He has worked to develop scalable storage appliances specifically tuned for medical imaging needs and has helped architect cloud-native solutions for delivering modular AngularJS applications backed by microservices. He has spoken at multiple events on incorporating AI and machine learning in DevOps to enable a culture of learning in large enterprises. He has helped teams in highly regulated large medical enterprises adopt modern agile/DevOps methodologies, including the "You build it, you run it" model. He has defined and leads the implementation of a DevOps roadmap that transforms traditional teams to teams that seamlessly adopt security- and quality-first approaches using CI/CD tools. He holds a bachelor of engineering degree from College of Engineering, Guindy, and a Master of Science degree from University of Maryland, College Park.

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