OpenStack Essentials

Dan Radez

• Publisher: Packt Publishing
• Year: 2015
• ISBN:
  9781783987085
• Topic: Informatik
• Subtopic: Computernetzwerke

OpenStack Essentials

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Table of Contents

OpenStack Essentials

Credits

About the Author

About the Reviewers

www.PacktPub.com

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Why subscribe?

Free access for Packt account holders

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

1. Architecture and Component Overview

OpenStack architecture

Dashboard

Keystone

Glance

Neutron

Nova

Cinder

Swift

Ceilometer

Heat

Summary

2. RDO Installation

Installing RDO using Packstack

Preparing nodes for installation

Installing Packstack and generating an answer file

Summary

3. Identity Management

Services and endpoints

Hierarchy of users, tenants, and roles

Creating a user

Creating a tenant

Granting a role

Logging in with the new user

Interacting with Keystone in the dashboard

Endpoints in the dashboard

Summary

4. Image Management

Glance as a registry of images

Downloading and registering an image

Using the web interface

Building an image

Summary

5. Network Management

Networking and Neutron

Network fabric

Open vSwitch configuration

VLAN

GRE tunnels

VXLAN tunnels

Creating a network

Web interface management

External network access

Preparing a network

Creating an external network

Web interface external network setup

Summary

6. Instance Management

Managing flavors

Managing key pairs

Launching an instance

Managing floating IP addresses

Managing security groups

Communicating with the instance

Launching an instance using the web interface

Summary

7. Block Storage

Use case

Creating and using block storage

Attaching the block storage to an instance

Managing Cinder volumes in the web interface

Backing storage

Cinder types

GlusterFS setup

Summary

8. Object Storage

Use case

Architecture of a Swift cluster

Creating and using object storage

Object file management in the web interface

Using object storage on an instance

Ring files

Creating ring files

Summary

9. Telemetry

Understanding the data store

Definitions of Ceilometer's configuration terms

Pipelines

Meters

Samples

Statistics

Alarms

Graphing the data

Summary

10. Orchestration

About orchestration

Writing templates

The AWS CloudFormation format

The Heat Orchestration Template (HOT) format

Launching a stack

Autoscaling instances with Heat

LBaaS setup

Web interface

Summary

11. Scaling Horizontally

Scaling compute nodes

Installing more control and networking

Scaling control and network services

Load-balancing keystone

Additional Keystone tuning

Glance load balancing

Scaling other services

High availability

Highly available database and message bus

Summary

12. Monitoring

Monitoring defined

Installing Nagios

Adding Nagios host checks

Nagios commands

Monitoring methods

Non-OpenStack service checks

Monitoring control services

Monitoring network services

Monitoring compute services

Summary

13. Troubleshooting

The debug command line option

Tail the server logs

Troubleshooting Keystone and authentication

Troubleshooting Glance image management

Troubleshooting Neutron networking

Troubleshooting Nova launching instances

Troubleshooting post-boot metadata

Troubleshooting console access

Troubleshooting Cinder block storage

Troubleshooting Swift object storage

Troubleshooting Ceilometer Telemetry

Troubleshooting Heat orchestration

Getting more help

Summary

Index

OpenStack Essentials

Copyright © 2015 Packt Publishing

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First published: May 2015

Production reference: 1190515

Published by Packt Publishing Ltd.

Livery Place

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Birmingham B3 2PB, UK.

ISBN 978-1-78398-708-5

www.packtpub.com

Cover image by Bartosz Chucherko (<[email protected]>)

Credits

Author

Dan Radez

Reviewers

Will Foster

Mostafa A. Hamid

Alvaro Lopez Ortega

Clay Shelor

Acquisition Editors

Sam Wood

Purav Motiwalla

Content Development Editor

Rohit Singh

Technical Editor

Siddhesh Patil

Copy Editor

Sarang Chari

Project Coordinator

Mary Alex

Proofreaders

Stephen Copestake

Safis Editing

Indexer

Mariammal Chettiyar

Production Coordinator

Alwin Roy

Cover Work

Alwin Roy

About the Author

Dan Radez joined the OpenStack community in 2012 in an operator role. His experience has centered around installing, maintaining, and integrating OpenStack clusters. He has been extended offers internationally to present OpenStack content to a range of experts. Dan's other experience includes web application programming, systems release engineering, virtualization product development, and network function virtualization. Most of these roles have had an open source community focus to them. In his spare time, Dan enjoys spending time with his wife and three boys, training for and racing triathlons, and tinkering with electronics projects.

I would like to thank Packt Publishing for giving me the opportunity to write my first book. A big thank you goes to my wife for her encouragement and support throughout the time I was writing this book. She takes excellent care of me and my kids. Thanks also to Chris Alfonso for referring Packt's inquiry to me and for his hospitality during the month my family ransacked his house. I'd also like to thank my friends and colleagues, Clay Shelor, Alvero Lopez Ortega, and Will Foster. These gentlemen provided feedback and reviews invaluable to my content being properly written and coherent for your consumption. Finally, I'd like to thank the Lord for the life and breath given to His creation for the purpose of His glory.

About the Reviewers

Will Foster is originally from Raleigh, North Carolina. He attended The Citadel, The Military College of South Carolina, in 1996, to pursue a degree in english. He was a performing member of the Summerall Guards, the elite close order Prussian drill unit, as well as a cadet officer within the Tango Company class of 2000. He also holds a degree in technical writing from Appalachian State University and is a Red Hat Certified Engineer.

Since 2000, Will has been working as a UNIX/Linux systems administrator involved in mission-critical, customer-facing production business environments. A lifelong skateboard enthusiast, Will had a brief stint as a snowboard instructor during 2000-2001.

Will has been working at Red Hat since 2007 as a senior systems administrator / DevOps engineer managing enterprise IT storage and core infrastructure. Currently, he works in the OpenStack deployment team. This team designs, architects, and builds laboratories and infrastructure to test and vet real-world customer deployments and cloud scenarios. They also collaborate with the upstre...