Book Image

The DevOps 2.3 Toolkit

By : Viktor Farcic
Book Image

The DevOps 2.3 Toolkit

By: Viktor Farcic

Overview of this book

Building on The DevOps 2.0 Toolkit, The DevOps 2.1 Toolkit: Docker Swarm, and The DevOps 2.2 Toolkit: Self-Sufficient Docker Clusters, Viktor Farcic brings his latest exploration of the DevOps Toolkit as he takes you on a journey to explore the features of Kubernetes. The DevOps 2.3 Toolkit: Kubernetes is a book in the series that helps you build a full DevOps Toolkit. This book in the series looks at Kubernetes, the tool designed to, among other roles, make it easier in the creation and deployment of highly available and fault-tolerant applications at scale, with zero downtime. Within this book, Viktor will cover a wide range of emerging topics, including what exactly Kubernetes is, how to use both first and third-party add-ons for projects, and how to get the skills to be able to call yourself a “Kubernetes ninja.” Work with Viktor and dive into the creation and exploration of Kubernetes with a series of hands-on guides.
Table of Contents (18 chapters)
The End
Other Books You May Enjoy

Upgrading the cluster automatically

We edited cluster's desired state before we started the rolling update process. While that worked well, we're likely to always upgrade to the latest stable version. In those cases, we can execute the kops upgrade command.

kops upgrade cluster $NAME --yes  

Please note that this time we skipped the preview by setting the --yes argument. The output is as follows:

ITEM    PROPERTY          OLD    NEW
Cluster KubernetesVersion v1.8.5 1.8.6
Updates applied to configuration.
You can now apply these changes, using 'kops update cluster 

We can see that the current Kubernetes version is v1.8.5 and, in case we choose to proceed, it will be upgraded to the latest which, at the time of this writing, is v1.8.6.

kops update cluster $NAME --yes  

Just as before, we can see from the last entry that changes may require...