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

Kuryr architecture


In the following sections, we will look at the Kuryr architecture.

Mapping the Docker libnetwork to the neutron API

The following diagram shows the Kuryr architecture that maps the Docker libnetwork networking model to the neutron API. Kuryr maps libnetwork APIs and creates the appropriate resource in the neutron, which explains why the Neutron API can also be used for container networking:

Providing the generic VIF-Binding infrastructure

Kuryr provides a generic VIF binding mechanism for the various port types which will be received from the Docker namespace and will be attached to the networking solution infrastructure depending on its type, for example, Linux bridge port, Open vSwitch port, Midonet portand so on. The following diagram represents this:

Providing containerized images of neutron plugins

Kuryr aims to provide containerized images of the various neutron plugins that are integrated with Kolla, as well.

Nesting VMs and Magnum use cases

Kuryr addresses Magnum project...