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The DevOps 2.4 Toolkit

You're reading from   The DevOps 2.4 Toolkit Continuous Deployment to Kubernetes: Continuously deploying applications with Jenkins to a Kubernetes cluster

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Product type Paperback
Published in Nov 2019
Publisher Packt
ISBN-13 9781838643546
Length 398 pages
Edition 1st Edition
Tools
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Author (1):
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Viktor Farcic Viktor Farcic
Author Profile Icon Viktor Farcic
Viktor Farcic
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Table of Contents (12) Chapters Close

1. Deploying Stateful Applications at Scale FREE CHAPTER 2. Enabling Process Communication with Kube API Through Service Accounts 3. Defining Continuous Deployment 4. Packaging Kubernetes Applications 5. Distributing Kubernetes Applications 6. Installing and Setting Up Jenkins 7. Creating a Continuous Deployment Pipeline with Jenkins 8. Continuous Delivery with Jenkins and GitOps 9. Now It Is Your Turn 10. Other Books You May Enjoy Appendix A: Installing kubectl and Creating a Cluster with minikube 1. Appendix B: Using Kubernetes Operations (kops)

Creating ServiceAccounts

Let's take a look at service accounts currently available in the default Namespace.

 1  kubectl get sa

The output is as follows.

NAME    SECRETS AGE
default 1       24m

At the moment, there is only one ServiceAccount called default. We already saw the limitations of that account. It is stripped from (almost) all the privileges. If we check the other Namespaces, we'll notice that all of them have only the default ServiceAccount. Whenever we create a new Namespace, Kubernetes creates that account for us.

A note to minishift users
OpenShift is an exception. Unlike most other Kubernetes flavors, it created a few ServiceAccounts in the default Namespace. Feel free to explore them later when you learn more about ServiceAccounts and their relations to Roles.

We already established that we'll need to create new ServiceAccounts if we are ever to allow...

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