构建企业级OpenStack云平台实战指南

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"OpenStack in Action: 2016 版本的这本实践指南深入探讨了如何在现实世界环境中构建和管理自己的云计算平台。作者V.K. Cody Bumgardner以实际案例和详细的步骤指导读者设计物理硬件集群以及基础设施服务。书中首先涵盖了如何选择和配置虚拟及物理服务器，包括服务器的部署与优化。接着，读者将学习如何实施软件定义网络（Software-Defined Networking, SDN），这在现代云架构中至关重要。该书特别关注技术细节，如设计、部署和运营一个企业级的OpenStack云环境，确保系统的稳定性和安全性。读者还将了解到如何根据自身的业务需求和环境特性对OpenStack进行定制化部署，使之更符合组织的具体需求。此外，书中还着重讲解了如何将云平台作为用户界面，提供软件和服务，使其不仅限于基础设施层面，更能满足最终用户的日常操作和业务流程。这包括API的设计、开发和集成，以及用户体验优化等。整个过程中，版权信息表明本书由Manning Publications出版，强调了在未经许可的情况下复制或传播内容的法律限制。书中提及的许多制造商和卖家的产品名称可能已被注册为商标，体现了尊重知识产权的重要性。《OpenStack in Action》是一本实用且全面的教程，适合IT专业人士、云管理员和技术领导者，帮助他们掌握OpenStack技术，提升云计算能力，并在企业内部实现真正的云计算转型。"

preface

My first exposure to OpenStack came in the summer of 2011 while I was working at

the University of Kentucky. My coworker and friend, Brent Salisbury, and I were

invited to meet with a Fortune 50 technology company to discuss a product develop-

ment project. During our meeting, the project’s executive sponsor gave us the option

to work with existing commercial tools or investigate the use of a community project

called OpenStack. Naturally, we chose to work with the framework we knew nothing

about, and so began our OpenStack journey. Nothing came of the product develop-

ment project, but the OpenStack encounter, as it turned out, became a turning point

in our professional, and in my case academic, careers. Brent left the university and

cofounded a startup that was acquired by Docker, where he currently works. I, on the

other hand, transferred from a master’s to a doctoral program and wrote this book.

By early 2013, the Grizzly release of OpenStack somewhat resembled current ver-

sions, but instabilities due to rapid feature inclusion prevented us from considering

OpenStack production-ready for our enterprise environment. But although I was not

ready to put my neck on the line with OpenStack for the enterprise, research comput-

ing was another story. As part of a graduate independent study class, I documented

the use cases, architecture, and strategy around using OpenStack in research comput-

ing. In addition, I described the process and eventual adoption of the platform as a

private cloud for our enterprise.

I used figure 1 in my original academic report to represent the component-level dis-

tribution of OpenStack. I suspect cooking an elephant, much like eating one, must be

done a piece at a time. Far too often in technology, we accept technological isolation as

an organizationally sound practice—“I am a storage guy,” or “I am a network girl”—but

this is paramount to someone only eating one part of the elephant. In this book I’ve

Licensed to tracy moore <nordick.an@gmail.com>

ABOUT THIS BOOK xix

Despite the differences in clouds and the types of organizations that are best posi-

tioned to take advantage of them, the clouds themselves can be built using the same

technologies. Although the ingredients that make up cloud resources might be the

same, the recipes and methods of consumption can be very different.

OpenStack is a powerful framework for constructing both private and public

clouds. Fundamentally, OpenStack abstracts and provides a common

API for the hard-

ware and software used in building clouds. The framework provides two very impor-

tant things:

 Abstraction of hardware and software resources, which prevents vendor lock-in

of any particular component

 A common API across resources, which allows for complete orchestration of

connected components

The first aspect is nice from a financial perspective, but the second is the key to a mod-

ern IT transformation. For enterprise

IT, OpenStack brings the same level of transfor-

mational efficiency to cloud deployment.

Why OpenStack in Action?

This book is intended as a step-by-step, bottom-up guide for constructing computa-

tional clouds of resources. My intended audience includes researchers, administra-

tors, and students interested in the deployment of an OpenStack environment. There

are no technical prerequisites beyond a basic operational knowledge of Linux, and

the material is suited to people with very different backgrounds and technical abili-

ties. Similarly, OpenStack is suited for many use cases.

Despite separate use cases utilizing the same OpenStack framework, the require-

ments and design of private clouds can vary greatly from those of service providers.

Enterprises are interested in providing private resource clouds for their organizations.

These private clouds don’t just represent additional services; they can represent a

transformation in the way organizations provide computational resources.

This book comprises

 An introduction to OpenStack through the automated deployment of a single-

node development environment

 A deeper understanding of OpenStack through a step-by-step manual deploy-

ment of a multi-node environment

 The impacts of private cloud technologies (OpenStack, Ceph, Juju, and the

like) from the perspective of

IT operations

 The deployment of a production OpenStack environment using vendor-

provided automated deployment and management tools

The architecture covered in the book is appropriate for small (5-node) to large enter-

prise (100-node) private cloud deployments. In addition, chapter 12 walks you

through the use of application orchestration tools like OpenStack Heat and Ubuntu

Juju on your newly constructed private cloud.

Licensed to tracy moore <nordick.an@gmail.com>

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