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

Murano concepts


In this section, we will discuss the different concepts used in Murano.

Environment

An environment in Murano represents a set of applications, which is managed by a single tenant. No two tenants can share the applications in an environment. Also an application in one environment is independent of other environments. Multiple applications, that are logically related in an environment, can together form a more complex application.

Package

A package in Murano is a ZIP archive that contains all the installation scripts, class definitions, dynamic UI forms, image lists, and the instruction of an application deployment. This package is imported by Murano and used for deploying an application. Various packages can be uploaded to Murano for different applications.

Session

Murano allows modification to an environment from multiple users who are from different locations. To allow modification from multiple users at the same time, Murano uses sessions that stores local modification from all...