OpenStack实战指南：英文版

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"OpenStack in Action" OpenStack是一个开源的云计算平台，被广泛用于构建私有云和公有云服务。这本书"OpenStack in Action"由V.K. Cody Bumgardner撰写，由Manning出版社出版，旨在为读者提供实战性的OpenStack知识。这本书的前言由Jay Pipes撰写，他是一位在开源社区有着丰富经验的技术专家。 OpenStack是一个复杂且功能强大的基础设施即服务（IaaS）解决方案，它包含多个组件，如计算（Nova）、存储（Swift）、网络（Neutron）、对象存储（Cinder）等，这些组件协同工作以提供全面的云环境。本书通过实践案例，帮助读者理解和掌握如何部署、配置和管理OpenStack云。在书中，作者将引导读者从基础开始，逐步深入OpenStack的核心概念和技术。内容可能包括但不限于： 1. **OpenStack架构**：解释OpenStack的模块化设计，以及各个组件如何交互以实现云服务。 2. **安装与配置**：详细步骤指导如何在各种环境中设置OpenStack，包括硬件和虚拟化平台的要求。 3. **计算服务Nova**：介绍如何使用Nova来管理虚拟机实例，包括创建、调度和监控。 4. **存储服务Swift**：讨论Swift如何提供分布式、冗余的对象存储，以及如何存储和检索数据。 5. **网络服务Neutron**：讲解如何使用Neutron创建和管理虚拟网络，包括网络策略和安全组。 6. **块存储Cinder**：探讨Cinder如何提供弹性的块存储服务，支持多种存储后端。 7. **身份服务Keystone**：解释Keystone在OpenStack中的作用，它是整个系统的认证、授权和目录服务。 8. **监控与自动化**：介绍如何使用 ceilometer进行计量和监控，以及Heat用于模板驱动的自动化部署。 9. **扩展与定制**：讨论如何根据需求扩展OpenStack，包括开发自定义插件和API。 10. **最佳实践与故障排查**：分享在实际操作中可能遇到的问题及其解决方法，确保高效稳定地运行OpenStack环境。此外，书中还可能涵盖了OpenStack的最新发展，例如与容器技术（如Kubernetes）的集成，以及如何利用OpenStack与其他云服务提供商进行互操作。对于那些希望深入了解OpenStack并将其应用于实际项目的读者来说，"OpenStack in Action"是一本非常有价值的资源。通过这本书，读者不仅可以学习到OpenStack的基本操作，还能获取到在实际环境中实施和管理OpenStack云服务所需的知识和技巧。

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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