OpenStack is an operating system that allows administrators and developers to consolidate and control pools of computer (memory and so on), networking and storage resources with a centralized dashboard and administration panel to enable the large scale development of cloud services.
The purpose of this book is to provide a comprehensive guide to set up and configure OpenStack. The book will show the reader how to manage and optimize their deployment so that it provides the solution that fits their situation and requirements the best. This book will focus on topics such as the correct storage configuration, image cache configuration, security, and access permissions. It will also cover essential and important areas for any OpenStack configuration and will therefore cover: compute, networking, image services, identity services, object storage, and block storage.
Chapter 1, Introduction to OpenStack and its Deployment Using Packages, describes the prerequisites and how to set up the environment for OpenStack deployment. It also shows how to check whether OpenStack was installed successfully or not.
Chapter 2, Deploying OpenStack Using Staypuft OpenStack Installer, describes how to install Staypuft packages, verify them, and also gives an overview on how to troubleshoot during the deployment process.
Chapter 3, Deploying Highly Available OpenStack, expands OpenStack services configuration and discusses how to configure each of the OpenStack services, database, and message broker in a highly available configuration.
Chapter 4, Keystone Identity Service, introduces the Keystone service and its role in OpenStack. It includes how to secure Keystone using SSL.
Chapter 5, Glance Image Service, introduces Glance's role with OpenStack. Here, you will learn how to configure the Swift Object storage as a backend for Glance.
Chapter 6, Cinder Block Storage Service, describes how to set up and configure Ceph as a volume backend for Cinder.
Chapter 7, Neutron Networking Service, describes the various networking models that can be used with Neutron.
Chapter 8, Nova-Compute Service, introduces Nova services, its role, and possible uses. It also explains how to secure Nova with authentication and authorization.
Chapter 9, Horizon Dashboard Service, describes how to configure Horizon to use Apache HTTPD, how to secure horizon with SSL/TLS, and also how to customize Horizon's user interface.
The recipes and examples covered in this book use Red Hat's community based OpenStack distribution RDO, which can be downloaded freely from http://rdoproject.org, running on latest version of CentOS7, can be downloaded from http://www.centos.org. It is recommended to obtain 4 physical machines with visualization capabilities (Intel VT-d or AMD svm), or use virtual machine with nested virtualization enabled.
If you have a basic understanding of Linux and Cloud computing and want to learn about configurations that OpenStack supports, this is the book for you. A prior knowledge of virtualization and managing Linux environments is assumed. A prior knowledge or experience of OpenStack is not required, although it is beneficial.
In this book, you will find a number of styles of text that distinguish between different kinds of information. Here are some examples of these styles, and an explanation of their meaning.
Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "The search method has a similar format to the knife command."
A block of code is set as follows:
all_users = search(:users, 'id:*') users_s = search(:users, 'id:s*') all_nodes = search(:node, '*')
Any command-line input or output is written as follows:
$ knife data bag show credentials aws
New terms and important words are shown in bold. Words that you see on the screen, in menus or dialog boxes for example, appear in the text like this: "Once there, a tab labeled Chef Server will be present at the top of the page".
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