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Containers in OpenStack

You're reading from Containers in OpenStack

Product type Book

Published in Dec 2017

Publisher Packt

ISBN-13 9781788394383

Pages 176 pages

Edition 1st Edition

Languages

Concepts

Containerization

Table of Contents (17) Chapters

Title Page

Credits

About the Authors

About the Reviewers

www.PacktPub.com

Customer Feedback

Preface

1. Working with Containers

2. Working with Container Orchestration Engines

3. OpenStack Architecture

4. Containerization in OpenStack

5. Magnum – COE Management in OpenStack

6. Zun – Container Management in OpenStack

7. Kuryr – Container Plugin for OpenStack Networking

8. Murano – Containerized Application Deployment on OpenStack

9. Kolla – Containerized Deployment of OpenStack

10. Best Practices for Containers and OpenStack

Introduction to Glance, the OpenStack image service

Glance is the image service project for OpenStack which provides discovering, registering, and retrieving abilities for disk and server images. Users can upload and discover data images and metadata definitions that are meant to be used with other services. In short, Glance is a central repository for managing images for VMs, containers and bare metals. Glance has a RESTful API that allows for the querying of image metadata as well as the retrieval of the actual image.

The OpenStack image service, Glance, includes the following components:

glance-api: A WSGI app that accepts image API calls for image discovery, retrieval and storage. It authenticates it with Keystone and forwards the request to the glance-registry.
glance-registry: A private internal service that stores, processes and retrieves metadata about images. Metadata includes items such as size and type.
Database: It stores image metadata. You can choose MySQL or SQLite according to...

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