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Kubernetes – An Enterprise Guide

Kubernetes – An Enterprise Guide

By : Marc Boorshtein, Scott Surovich
4.8 (13)
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Kubernetes – An Enterprise Guide

Kubernetes – An Enterprise Guide

4.8 (13)
By: Marc Boorshtein, Scott Surovich

Overview of this book

Stay at the forefront of cloud-native technologies with the eagerly awaited Kubernetes – An Enterprise Guide, Third Edition. Delve deep into Kubernetes and emerge with the latest insights to conquer today's dynamic enterprise challenges. This meticulously crafted edition equips you with the latest insights to skillfully navigate the twists and turns of ever-evolving cloud technology. Experience a more profound exploration of advanced Kubernetes deployments, revolutionary techniques, and expert strategies that redefine your cloud-native skill set. Discover cutting-edge topics reshaping the technological frontier like virtual clusters, container security, and secrets management. Gain an edge by mastering these critical aspects of Kubernetes and propelling your enterprise to new heights. Expertly harness Kubernetes' power for business-critical applications with insider techniques. Smoothly transition to microservices with Istio, excel at modern deployments with GitOps/CI/CD, and bolster security with OPA/Gatekeeper and KubeArmor. Integrate Kubernetes with leading tools for maximum impact in a competitive landscape. Stay ahead of the technology curve with cutting-edge strategies for innovation and growth. Redefine cloud-native excellence with this definitive guide to leveraging Kubernetes.
Table of Contents (22 chapters)
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20
Other Books You May Enjoy
21
Index

Implementing namespace multi-tenancy

Clusters deployed for multiple stakeholders, or tenants, should be divided up by namespace. This is the boundary that was designed in Kubernetes from the very beginning. When deploying namespaces, there are generally two ClusterRoles that are assigned to users in the namespace:

  • admin: This aggregated ClusterRole provides access to every verb and nearly every resource that ships with Kubernetes, making the admin user the ruler of their namespace. The exception to this is any namespace-scoped object that could affect the entire cluster, such as ResourceQuotas.
  • edit: Similar to admin, but without the ability to create RBAC Roles or RoleBindings.

It’s important to note that the admin ClusterRole can’t make changes to the namespace object by itself. Namespaces are cluster-wide resources, so they can only be assigned permissions via a ClusterRoleBinding.

Depending on your strategy for multi-tenancy, the admin...

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