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You're reading from Hands-On Kubernetes on Azure Run your applications securely and at scale on the most widely adopted orchestration platform

Product type Paperback

Published in Mar 2019

Publisher Packt

ISBN-13 9781789536102

Length 258 pages

Edition 1st Edition

Tools

Azure

Concepts

Containerization

Authors (2):

Shivakumar Gopalakrishnan

Gunther Lenz

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Table of Contents (16) Chapters

Preface

1. Section 1: The Basics FREE CHAPTER

2. Introduction to Docker and Kubernetes

3. Kubernetes on Azure (AKS)

4. Section 2: Deploying on AKS

5. Application Deployment on AKS

6. Scaling Your Application to Thousands of Deployments

7. Single Sign-On with Azure AD

8. Monitoring the AKS Cluster and the Application

9. Operation and Maintenance of AKS Applications

10. Section 3: Leveraging Advanced Azure PaaS Services in Combination with AKS

11. Connecting an App to an Azure Database - Authorization

12. Connecting to Other Azure Services (Event Hub)

13. Securing AKS Network Connections

14. Serverless Functions

15. Other Books You May Enjoy

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Summary

In this chapter, we added access control to our guestbook application without actually changing the source code of it by using the sidecar pattern in Kubernetes (https://kubernetes.io/blog/2015/06/the-distributed-system-toolkit-patterns/). We started by getting the Kubernetes ingress objects to redirect to a https://.... secured site. Then we installed the certificate manager that interfaces with the LetsEncrypt API to request a certificate for the domain name you specified in the next steps. We leveraged a Certificate Issuer, which gets the certificate from LetsEncrypt, and created the actual certificate for a given Fully-Qualified Domain Name (FQDN). We then created an Ingress to the service with the certificate we'd created. Finally, we jumped into authentication (AuthN) and authorization (AuthZ), and showed you how to leverage AzureAD as an authentication provider...

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Authors (2)

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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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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