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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

Configuring your cluster for impersonation

Let's deploy an impersonating proxy for our cluster. Assuming you're reusing your existing cluster, we'll upgrade our existing orchestra Helm deployment with an updated openunison-values.yaml file:

  1. First, delete the current TLS secret for OpenUnison since it doesn't have the right configuration for Impersonation. When we update the orchestra Helm chart, the operator will generate a new certificate for us.
    kubectl delete secret ou-tls-certificate -n openunison
    
  2. Next, update our Helm chart to use impersonation. Edit the openunison-values.yaml file, update network.api_server_host as shown in the following snippet, and set enable_impersonation to true:
    network:
      openunison_host: "k8sou.apps.192-168-2-131.nip.io"
      dashboard_host: "k8sdb.apps.192-168-2-131.nip.io"
      api_server_host: "k8sapi.apps.192-168-2-131.nip.io"
      session_inactivity_timeout_seconds...
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