Addresses O'Reilly edits for the Preface
Also changes the xml:id for the glossary from rs_glossary to openstack_glossary Change-Id: I8a0ca751f0e721ed7cc6d617e5881aa501068bf6
This commit is contained in:
Anne Gentle
@@ -1,6 +1,7 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<glossary xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="rs_glossary"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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xml:id="openstack_glossary"
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version="5.0">
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<!-- Add role="auto" above if you want to only generate a glossary
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@@ -5,8 +5,6 @@
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<!ENTITY mdash "—">
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<!ENTITY hellip "…">
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<!ENTITY plusmn "±">
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]>
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<preface xmlns="http://docbook.org/ns/docbook"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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@@ -37,19 +35,28 @@
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implementation, massive scalability, a variety of rich features and tremendous
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extensibility, the project aims to deliver a practical and reliable cloud solution for
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all types of organisations.</para>
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<section xml:id="preface_getting_started"><title>Getting Started with OpenStack</title>
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<para>As an open source project, one of the unique aspects about OpenStack is that there are
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many different levels you can begin to engage with it — you don't have to do everything
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yourself.</para>
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<para>You could ask, "do I even need to build a cloud?". If you just want to start using a
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service like Amazon Web Services Elastic Compute Cloud (EC2) or Simple Storage Solution
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(S3), you can today swipe your credit card at eNovance, HP, Rackspace and other
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organisations to start using their public OpenStack clouds.</para>
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<para>However, the enticing part of OpenStack might be to build your own private
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<section xml:id="preface_using_openstack">
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<title>Using OpenStack</title>
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<para>You could ask, "do I even need to build a cloud?". If you
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want to start using a Compute or Storage service by
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just swiping your credit card, you can go to eNovance, HP, Rackspace and other
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organisations to start using their public OpenStack clouds.
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Using their OpenStack cloud resources is similar to accessing
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the publically-available Amazon Web Services Elastic Compute
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Cloud (EC2) or Simple Storage Solution (S3).</para>
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</section>
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<section xml:id="preface_plug_and_play"><title>Plug and Play OpenStack</title>
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<para>However, the enticing part of OpenStack might be to build your own private
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cloud, and there are several ways to accomplish this goal. Perhaps the simplest of all is an
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appliance-style solution. You purchase an appliance, un-box it, plug in the power and the
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network and watch it transform into an OpenStack cloud with minimal additional
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configuration. Few, if any, other open source cloud products that have such 'turn key' options.</para>
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<para>However, hardware choice is important for many applications, so if that applies to you,
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configuration. Few, if any, other open source cloud products that have such turn-key options.
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If a turn-key solution is interesting to you, take a look at Nebula One.</para>
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<para>However, hardware choice is important for many applications, so if that applies to you,
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consider that there are several software distributions available that you can run on
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servers, storage and network products of your choosing. Canonical (where OpenStack replaced Eucalyptus as
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the default cloud option in 2011), Red Hat and SUSE offer enterprise OpenStack
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@@ -59,30 +66,43 @@
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Foundation after its US $200 million purchase of Cloud.com. While not currently packaged
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in any distributions, like Eucalyptus it is an example of an alternative private
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cloud software developed in an open source-like manner.</para>
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<para>Alternately, if you want someone to help guide you through the decisions from the
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<para>Alternately, if you want someone to help guide you through the decisions from the
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underlying hardware up to your applications, perhaps adding in a few features or integrating
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components along the way, consider contacting one of the system integrators with
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OpenStack experience like Mirantis or Metacloud.</para>
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<para>If your preference is to build your own OpenStack expertise internally, a good way to
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<para>If your preference is to build your own OpenStack expertise internally, a good way to
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kick start that might be to attend or arrange a training session. The OpenStack
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Foundation recently launched a <link
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xlink:href="http://www.openstack.org/marketplace/training">Training Marketplace
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xlink:href="http://www.openstack.org/marketplace/training"
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>Training Marketplace
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(http://www.openstack.org/marketplace/training)</link>, where you can look for nearby events.
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Also the OpenStack community is <link xlink:href="https://wiki.openstack.org/wiki/Training-manuals">working to produce
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Also the OpenStack community is <link
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xlink:href="https://wiki.openstack.org/wiki/Training-manuals"
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>working to produce
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(https://wiki.openstack.org/wiki/Training-manuals)</link>open source training materials.</para>
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<para>However, this guide has a different audience — those seeking to derive the most
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</section>
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<section xml:id="preface_roll_your_own_openstack"><title>Roll your Own OpenStack</title>
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<para>However, this guide has a different audience — those seeking to derive the most
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flexibility from the OpenStack framework; conducting 'Do-It-Yourself' solutions, if you
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will.</para>
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<para>OpenStack is designed for scalability, so you can easily add new
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<para>OpenStack is designed for scalability, so you can easily add new
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compute, network and storage resources to grow your cloud over time. In addition to several
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massive OpenStack public clouds, a considerable number of other organisations (such as
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Paypal, Intel and Comcast) have built large-scale private clouds. OpenStack offers much
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more than a typical software package because it lets you integrate a number of different
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technologies to construct a cloud. This approach provides great flexibility, but the
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number of options might be bewildering at first.</para>
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</section>
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</section>
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</section>
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</section>
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<section xml:id="who-this-book-is-for">
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<title>Who This Book Is For</title>
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<para>This book is for those of you starting to run OpenStack clouds as
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well as those of you who were handed an operational one and want to keep
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it running well. Perhaps you're on a devops team, perhaps you are a
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system administrator starting to dabble in the cloud, or maybe you
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want to get on that OpenStack cloud team at your company. This book
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is for all of you.</para>
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<para>This guide assumes that you are familiar with a Linux
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distribution supporting OpenStack, SQL databases, and virtualization.
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You must be comfortable administering and configuring multiple Linux machines
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@@ -93,12 +113,14 @@ xlink:href="http://www.openstack.org/marketplace/training">Training Marketplace
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as DHCP, Linux bridges, VLANs, and iptables. You must also have
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access to a network hardware expert who can configure the switches
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and routers required in your OpenStack cloud.</para>
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<para>This book is for those of you starting to run OpenStack clouds as
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well as those of you who were handed a running one and want to keep
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it running well. Perhaps you're on a devops team, perhaps you are a
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system administrator starting to dabble in the cloud, or maybe you
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want to get on that OpenStack cloud team at your company. This book
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is for all of you.</para>
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<tip><para>As cloud computing is a quite advanced topic, this book
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requires a lot of background knowledge. However, if you are fairly
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new to cloud computing, we recommend that you make use of the
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<xref linkend="openstack_glossary"/> at the back of
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the book, as well as refer to the online documentation for OpenStack,
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and additional resources mentioned
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in this book in the <xref linkend="recommended-reading"/> list.</para></tip>
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<section xml:id="further_reading"><title>Further Reading</title>
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<para>There are other books on the OpenStack documentation web site at
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<link xlink:href="http://docs.openstack.org"
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>docs.openstack.org</link> that can help you get the job
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@@ -213,11 +235,13 @@ xlink:href="http://www.openstack.org/marketplace/training">Training Marketplace
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</listitem>
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</varlistentry>
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</variablelist>
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</section>
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</section>
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<section xml:id="how-this-book-is-organized">
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<title>How This Book Is Organized</title>
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<para>This book is organized in two parts, the architecture decisions for designing
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OpenStack clouds and the repeated operations for running OpenStack clouds.</para>
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<para>Part I</para>
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<para><xref linkend="example_architecture"/>: Because of all the decisions the other
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chapters discuss, this chapter describes the decisions made for this particular book and
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much of the justification for the example architecture.</para>
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@@ -228,11 +252,11 @@ xlink:href="http://www.openstack.org/marketplace/training">Training Marketplace
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the sake of consolidating and describing which services run on which nodes. The chapter
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discusses hardware and network considerations as well as how to design the cloud
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controller for performance and separation of services.</para>
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<para><xref linkend="scaling"/>: This chapter discusses the growth of your cloud resources
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through scaling and segregation considerations.</para>
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<para><xref linkend="compute_nodes"/>: This chapter describes the compute nodes, which are
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dedicated to run virtual machines. Some hardware choices come into play here as well as
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logging and networking descriptions.</para>
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<para><xref linkend="scaling"/>: This chapter discusses the growth of your cloud resources
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through scaling and segregation considerations.</para>
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<para><xref linkend="storage_decision"/>: Along with other architecture decisions, storage
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concepts within OpenStack take a lot of consideration, and this chapter lays out the
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choices for you.</para>
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@@ -240,6 +264,7 @@ xlink:href="http://www.openstack.org/marketplace/training">Training Marketplace
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your existing networks while also enabling the best design for your users and
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administrators, and this chapter gives you in-depth information about networking
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decisions.</para>
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<para>Part II</para>
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<para><xref linkend="lay_of_the_land"/>: This chapter is written to let you get your hands
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wrapped around your OpenStack cloud through command line tools and understanding what is
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already set up in your cloud.</para>
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@@ -274,10 +299,12 @@ xlink:href="http://www.openstack.org/marketplace/training">Training Marketplace
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<para><xref linkend="app_crypt"/>: These are shared legendary tales of image disappearances,
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VM massacres, and crazy troubleshooting techniques to share those hard-learned lessons
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and wisdom.</para>
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<para><xref linkend="working-with-roadmaps"/>: Read about how to track the OpenStack
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roadmap through the open and transparent development processes.</para>
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<para><xref linkend="recommended-reading"/>: So many OpenStack resources are available
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online due to the fast-moving nature of the project, but there are also listed resources
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the authors found helpful while learning themselves.</para>
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<para>Glossary: A list of terms used in this book is included, which is a subset of the
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<para><xref linkend="openstack_glossary"/>: A list of terms used in this book is included, which is a subset of the
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larger OpenStack Glossary available online.</para>
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</section>
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<section xml:id="why-and-how-we-wrote-this-book">
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