Book Image

Mastering OpenStack - Second Edition

By : Omar Khedher, Chandan Dutta
Book Image

Mastering OpenStack - Second Edition

By: Omar Khedher, Chandan Dutta

Overview of this book

In this second edition, you will get to grips with the latest features of OpenStack. Starting with an overview of the OpenStack architecture, you'll see how to adopt the DevOps style of automation while deploying and operating in an OpenStack environment. We'll show you how to create your own OpenStack private cloud. Then you'll learn about various hypervisors and container technology supported by OpenStack. You'll get an understanding about the segregation of compute nodes based on reliability and availability needs. We'll cover various storage types in OpenStack and advanced networking aspects such as SDN and NFV. Next, you'll understand the OpenStack infrastructure from a cloud user point of view. Moving on, you'll develop troubleshooting skills, and get a comprehensive understanding of services such as high availability and failover in OpenStack. Finally, you will gain experience of running a centralized logging server and monitoring OpenStack services. The book will show you how to carry out performance tuning based on OpenStack service logs. You will be able to master OpenStack benchmarking and performance tuning. By the end of the book, you'll be ready to take steps to deploy and manage an OpenStack cloud with the latest open source technologies.
Table of Contents (13 chapters)

Operating the OpenStack tenancy

OpenStack supports a multi-tenancy model. The latter naming convention of Tenant in OpenStack is transformed to Project. As discussed in Chapter 3, OpenStack Cluster - The Cloud Controller and Common Services, Keystone is the OpenStack component that manages access to resources by grouping and isolating them by a defined project or tenant. This means that any user or newly created user group can have access to a given project. To permit a user access to a certain number of predefined sets of resources is ensured by assigning roles. The role concept in OpenStack denotes which service or group of services a user is authorized to have access to.

In a real production OpenStack environment, several users would need to access several types of services and have a certain liberty to exploit their underlying resources. As an OpenStack administrator, you should be able to denote the hierarchy...