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Core Kubernetes
book

Core Kubernetes

by Jay Vyas, Christopher Love
June 2022
Intermediate to advanced content levelIntermediate to advanced
336 pages
10h 6m
English
Manning Publications
Content preview from Core Kubernetes

6 Troubleshooting large-scale network errors

This chapter covers

  • Confirming cluster functionality with Sonobuoy
  • Tracing a Pod’s data path
  • Using the arp and ip commands to inspect CNI routing
  • A deeper look at kube-proxy and iptables
  • An introduction to Layer 7 networking (the ingress resource)

In this chapter, we’ll go over a few touchpoints for troubleshooting large-scale network errors. We also introduce Sonobuoy, a Swiss Army knife for certifying, diagnosing, and testing the functionality of live Kubernetes clusters, which is a commonly used diagnosis tool for Kubernetes.

Sonobuoy compared with the Kubernetes e2e (end-to-end) tests

Sonobuoy runs the Kubernetes e2e testing suite in a container and makes it easy to retrieve, store, and archive ...

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Publisher Resources

ISBN: 9781617297557Publisher SupportOtherPublisher WebsiteSupplemental ContentPurchase Link