Book Image

KVM Virtualization Cookbook

By : Konstantin Ivanov
Book Image

KVM Virtualization Cookbook

By: Konstantin Ivanov

Overview of this book

Virtualization technologies such as KVM allow for better control over the available server resources, by deploying multiple virtual instances on the same physical host, or clusters of compute resources. With KVM it is possible to run various workloads in isolation with the hypervisor layer providing better tenant isolation and higher degree of security. This book will provide a deep dive into deploying KVM virtual machines using qemu and libvirt and will demonstrate practical examples on how to run, scale, monitor, migrate and backup such instances. You will also discover real production ready recipes on deploying KVM instances with OpenStack and how to programatically manage the life cycle of KVM virtual machines using Python. You will learn numerous tips and techniques which will help you deploy & plan the KVM infrastructure. Next, you will be introduced to the working of libvirt libraries and the iPython development environment. Finally, you will be able to tune your Linux kernel for high throughput and better performance. By the end of this book, you will gain all the knowledge needed to be an expert in working with the KVM virtualization infrastructure.
Table of Contents (15 chapters)
Title Page
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

Installing and configuring the OpenStack Keystone identity service


The identity service provided by the Keystone project is a centralized point in order to manage authentication and authorization, used by other OpenStack components, such as Nova compute and the image service Glance. Keystone also keeps a catalog of services and the endpoints they provide that the user can locate by sending queries to it.

In this recipe, we are going to install and configure Keystone, create two projects (a unit of ownership) for our services and assign users and roles to those projects.

Getting ready

For this recipe, we are going to need the following:

  • An Ubuntu Server with Great virtualization capabilities
  • Access to the Internet for package installation
  • A database server, a message queue, and memcached installed and configured, as described in the Preparing the host for the OpenStack deployment recipe

How to do it...

To install, configure, create new projects, user roles, and credentials, perform the following...