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Kubernetes – An Enterprise Guide - Second Edition

You're reading from  Kubernetes – An Enterprise Guide - Second Edition

Product type Book
Published in Dec 2021
Publisher Packt
ISBN-13 9781803230030
Pages 578 pages
Edition 2nd Edition
Languages
Authors (2):
Marc Boorshtein Marc Boorshtein
Profile icon Marc Boorshtein
Scott Surovich Scott Surovich
Profile icon Scott Surovich
View More author details

Table of Contents (17) Chapters

Preface 1. Docker and Container Essentials 2. Deploying Kubernetes Using KinD 3. Kubernetes Bootcamp 4. Services, Load Balancing, ExternalDNS, and Global Balancing 5. Integrating Authentication into Your Cluster 6. RBAC Policies and Auditing 7. Deploying a Secured Kubernetes Dashboard 8. Extending Security Using Open Policy Agent 9. Node Security with GateKeeper 10. Auditing Using Falco, DevOps AI, and ECK 11. Backing Up Workloads 12. An Introduction to Istio 13. Building and Deploying Applications on Istio 14. Provisioning a Platform 15. Other Books You May Enjoy
16. Index

Making service names available externally

You may have been wondering why we were using the IP addresses to test some of the services that we created, while we used domain names for our Ingress examples.

While a Kubernetes load balancer provides a standard IP address to a service, it does not create an external DNS name for users to connect to the service. Using IP addresses to connect to applications running on a cluster is not very efficient, and manually registering names in DNS for each IP assigned by MetalLB would be an impossible method to maintain. So how would you provide a more cloud-like experience to adding name resolution to our LoadBalancer services?

Similar to the team that maintains KinD, there is a Kubernetes SIG that is working on this feature to Kubernetes called ExternalDNS. The main project page can be found on the SIG's GitHub at https://github.com/kubernetes-sigs/external-dns.

At the time of writing, the ExternalDNS project supports a long list...

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