Book Image

Containers in OpenStack

Book Image

Containers in OpenStack

Overview of this book

Containers are one of the most talked about technologies of recent times. They have become increasingly popular as they are changing the way we develop, deploy, and run software applications. OpenStack gets tremendous traction as it is used by many organizations across the globe and as containers gain in popularity and become complex, it’s necessary for OpenStack to provide various infrastructure resources for containers, such as compute, network, and storage. Containers in OpenStack answers the question, how can OpenStack keep ahead of the increasing challenges of container technology? You will start by getting familiar with container and OpenStack basics, so that you understand how the container ecosystem and OpenStack work together. To understand networking, managing application services and deployment tools, the book has dedicated chapters for different OpenStack projects: Magnum, Zun, Kuryr, Murano, and Kolla. Towards the end, you will be introduced to some best practices to secure your containers and COE on OpenStack, with an overview of using each OpenStack projects for different use cases.
Table of Contents (17 chapters)
Title Page
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface

Key features


In this section, we will see some of the key features of Kolla.

Highly available deployment

The OpenStack ecosystem consists of multiple services running only a single instance of them, which sometimes becomes the single point of failure in case of any disaster, and it can't scale beyond a single instance. To make it scalable, Kolla deploys the OpenStack cloud, configured with HA. So even if any service fails, it can scale without any interruption to the current operations. This feature makes Kolla an ideal solution for easy upgrade and scale without any downtime.

Ceph support

Kolla uses Ceph to add persistent data to the VMs running our OpenStack environment, so that we can easily recover from any disaster, hence making the OpenStack cloud more reliable. Ceph is also used for storing glance images.

Image building

Kolla provides a tool called kolla-build to build container images on multiple distros such as CentOs, Ubuntu, Debian, and Oracle Linux. Multiple dependent components can...