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LEARNING OPENSTACK NETWORKING (NEUTRON)

Chapter 2. Installing OpenStack

Installing, configuring, and maintaining OpenStack clouds can be an arduous task when performed by hand. Many third-party vendors offer downloadable cloud software based on OpenStack that provide deployment and management strategies using Chef, Puppet, Fuel, Ansible, and other tools.

This chapter will guide you through a package-based installation of the following OpenStack components on the CentOS operating system:

Keystone
Glance
Nova Compute
Horizon

The installation process documented within this chapter is based on the OpenStack Installation Guide for Red Hat Enterprise Linux, CentOS, and Fedora, that is found at http://docs.openstack.org/.

If you'd rather download a third-party cloud distribution based on OpenStack, try one of the following:

Rackspace Private Cloud: http://www.rackspace.com/cloud/private/
RedHat RDO: http://openstack.redhat.com/
Mirantis OpenStack: http://software.mirantis.com/
Piston Cloud: http://www.pistoncloud.com/

Once installed...

System requirements

OpenStack components are intended to run on standard hardware that range from desktop machines to enterprise-grade servers. The processors of the compute nodes need to support virtualization technologies, such as Intel's VT-x or AMD's AMD-v technologies.

This book assumes that OpenStack will be installed on physical hardware that meets the following minimum requirements:

Server

Recommended hardware

Notes

Controller node (runs network, volume, API, scheduler, and image services)

Processor: 64-bit x86

Memory: 8 GB RAM

Disk space: 80 GB

Network: Two 1 Gbps network interface cards (NICs)

While a single NIC can be used, it is not recommended, and therefore not addressed in this build.

Compute node (runs virtual instances)

Processor: 64-bit x86Memory: 16 GB RAMDisk space: 80 GBNetwork: Two 1 Gbps network interface cards (NICs)

While a single NIC can be used, it is not recommended and therefore not addressed in this build.

While machines that fail to meet...

Description

If you are an OpenStack-based cloud operator with experience in OpenStack Compute and nova-network but are new to Neutron networking, then this book is for you. Some networking experience is recommended, and a physical network infrastructure is required to provide connectivity to instances and other network resources configured in the book.

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Amazon verified reviews

Navin Kumar Jaiswal Dec 25, 2014

Awesome book.

Amazon Verified review

Michael Bright Jan 04, 2015

This is an impressive guide to OpenStack “Neutron” Networking, written by James Denton of Rackspace - one of the leading companies in the OpenStack ecosystem. I was lucky to pick up a copy at the recent OpenStack summit in Paris, which RackSpace - James himself actually - were generously distributing.The book is organized into 8 chapters covering an introduction to OpenStack networking and installation followed by more detailed configuration of networks, routing, load balancing and firewalls. It provides a very complete and detailed coverage of Neutron networking in a recent OpenStack release (Havana). Every chapter finishes with a useful summary of what’s just been covered.I was initially surprised by the second chapter detailing an OpenStack installation, which seemed unnecessary and simplistic, but I guess it’s necessary to provide a common base for the rest of the book which is essentially a cookbook. So the book starts by a manual installation of OpenStack Havana on a CentOS base. Chapter 3 pursues with Neutron installation.A cookbook it definitely is, and you will get the most out of this book by working through the many configurations described throughout the book. Nevertheless, the book is still a good read if you only read along. I particularly appreciated Chapter 4 “Building a Virtual Switching Infrastructure”, for it’s clear description of different networking models, bridging and the use of LinuxBridge or OpenvSwitch. There’s also coverage of the OpenFlow flow rules managed by OVS. This chapter then describe how to configure one of these core layer2 plugins.The ML2 plugin framework is also mentioned and covered in an appendix, but not in great detail still being a work in progress. Note that LinuxBridge and OVS are already deprecated in the IceHouse release of OpenStack … that’s how fast OpenStack moves.Once the initial OpenStack and Neutron installation/configuration is covered it’s good to see that instructions cover both command-line and dashboard means of making modifications. Chapters 5 and 6 cover operations such as creation of networks, subnets and routers in great detail.Chapters 7 and 8 terminate the book discussing what today are the main applications of Neutron networking: load balancing and firewalls. Load Balancing as a Service (LBaaS) is covered in detail describing it’s use for creating highly available applications across a group of load-balanced servers as well as limitations in the current Havana (and IceHouse) releases. Firewall as a service (FWaaS) is described as experimental in the IceHouse OpenStack release.Appendices cover Neutron extensions for third-party plugins and the ML2 (“Modular Layer2”) plugin framework which will be the basis for all future network plugins for Neutron networking.OpenStack is a huge and fast moving open source project, and Neutron is arguably one of the more complex areas, so Kudos to James for providing this excellent snapshot of this critically important cloud technology. I can’t wait for the second edition …. in a couple of years.

shogo Nov 19, 2014

openstackはいろいろな部品からできているため、多くの参考書は概要や技術の触りだけを説明しているものがほとんどです。"Learning OpenStack Networking (Neutron)"はNetworking serviceに特化しながらも、各コンポーネントをインストールするところから解説付きで説明しています。よくあるAll-In-Oneのインストールではなく、二台のサーバーにマニュアルインストールをしていく構成ですので、各ステップを消化していけばopenstackの動きがわかるようにできています。openstackを実際にハンズオンで試したい、というネットワーク技術者であれば非常に有意義な本です。neutron...各サービス（LBaaS, FWaaS）の説明とハンズオンその他コンポーネント...インストール手順の説明とハンズオン

f. e. nar Oct 19, 2014

Greetings;This is the 1st book dedicated to Networking in Openstack, that's why I have pre-ordered it as soon as I see it. Author is a real time development engineer in related area and it has advantages & dis-advantages.Advantages: Since he is Subject Matter Expert, he does not "BS", he presents his knowledge from practice, lab-implementation side.Dis-Advantages: Like in every engineer (including myself) who writes a technical document, Author has assumed reader is full aware what is going on behind the scenes; such as "Openflow rules within OVS", such as usage of Neutron L3 Agent may cause bottle neck for high bandwidth traffic and it is a single point of failure.I recommend this book to new beginners of Openstack to learn little bit more about Neutron and have a general idea about forthcoming fancy features...I am looking forward for 2nd Edition with wider & deeper coverage.Ps; Ready to pay more for more knowledge :-)

Charles M Corona Dec 19, 2014

This book is a great guide for working with OpenStack and Neutron. It gives you a much better understanding of how to untangle deploy the messy world of Neutron.

LEARNING OPENSTACK NETWORKING (NEUTRON): Architect and build a network infrastructure for your cloud using OpenStack Neutron networking

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LEARNING OPENSTACK NETWORKING (NEUTRON)

Chapter 2. Installing OpenStack

System requirements

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Configuring the OpenStack repository

Installation of OpenStack

Installing and configuring the MySQL database server

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