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OpenStack Essentials.pdf

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    Cover
    Copyright
    Credits
    About the Author
    About the Reviewers
    www.PacktPub.com
    Table of Contents
    Preface
    Chapter 1: Architecture and Component Overview
    OpenStack architecture
    Dashboard
    Keystone
    Glance
    Neutron
    Nova
    Cinder
    Swift
    Ceilometer
    Heat
    Summary
    Chapter 2: RDO Installation
    Installing RDO using Packstack
    Preparing nodes for installation
    Installing Packstack and generating an answer file
    Summary
    Chapter 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
    Chapter 4: Image Management
    Glance as a registry of images
    Downloading and registering an image
    Using the web interface
    Building an image
    Summary
    Chapter 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
    Chapter 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
    Chapter 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
    Chapter 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
    Chapter 9: Telemetry
    Understanding the data store
    Definitions of Ceilometer's configuration terms
    Pipelines
    Meters
    Samples
    Statistics
    Alarms
    Graphing the data
    Summary
    Chapter 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
    Chapter 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
    Chapter 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
    Chapter 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 Demystify the cloud by building your own private OpenStack cloud Dan Radez BIRMINGHAM - MUMBAI
    OpenStack Essentials Copyright © 2015 Packt Publishing All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews. Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book. Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information. First published: May 2015 Production reference: 1190515 Published by Packt Publishing Ltd. Livery Place 35 Livery Street Birmingham B3 2PB, UK. ISBN 978-1-78398-708-5 www.packtpub.com Cover image by Bartosz Chucherko (chucherko@gmx.com)
    Credits Author Dan Radez Reviewers Will Foster Mostafa A. Hamid Alvaro Lopez Ortega Clay Shelor Acquisition Editors Sam Wood Purav Motiwalla Project Coordinator Mary Alex Proofreaders Stephen Copestake Safis Editing Indexer Mariammal Chettiyar Production Coordinator Alwin Roy Content Development Editor Rohit Singh Cover Work Alwin Roy Technical Editor Siddhesh Patil Copy Editor Sarang Chari
    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 upstream development community and partners to improve and build upon the OpenStack platform. Will currently resides in Dublin, Ireland, and works in the same development operations deployment team as the author, Dan Radez.
    Mostafa A. Hamid is an information systems engineer from State University of New York (SUNY), Potsdam. He is a Certified Information Systems Security Professional (CISSP), Rational Unified Process (RUP) architect, and has a Linux Professional Institute Certification (LPIC). Besides these, he has certifications in JavaScript, PHP, Backbone.js, and ethical hacking from SUNY Potsdam. He is also a certified Java programmer from American University, Cairo. Mostafa has worked with Manon Systems. He has also worked as a technical support engineer for United Systems, TP-LINK, and Hilton Worldwide. He was employed as an ICT teacher at MOIS and is currently working as a software developer at Wassaq. Mostafa has contributed to PHP classes and was nominated for an award. He currently contributes to United Nations, Launchpad.net, and Stackoverflow.org. I would like to thank Manon Niazi, whom I met in college—she means a lot to me, the Deutschlander; my mother and my family for their help at home; Mary Alex for her coordination of the project activities; Siddhesh Patil for his assistance and instructions on the technical part; and all the employees at Packt Publishing—thank you everyone for giving me an opportunity to review this book. Special thanks to the author of this book, Dan Radez. The reviewing process was a cherishable experience. Alvaro Lopez Ortega is a well-known leader in the open source community. He is member of the GNU project and a contributor to OpenStack. He's also a former GNOME developer and OpenSolaris core contributor. He is a veteran speaker at open source conferences worldwide. Currently, Alvaro works as an engineering manager for OpenStack R&D at Red Hat. During 15 years of his professional career, Alvaro held several leader positions with technology companies around the open source ecosystem, including product strategy engineering management at Canonical and OpenSolaris technical lead at Sun Microsystems.
    Clay Shelor has worked as an English teacher, in network operations, and as a team leader doing IT staff augmentation. He loves to gather information, put the pieces together, implement a project, and then write about it for others to learn. When not at work, he enjoys time with the family, reading, music, and tug of war with the family dog. Many thanks to Dan Radez for sharing his lifework with me and allowing me to come along for the ride on this project. Dan is exemplary in his work and a great friend. A big thank you goes to Mary Alex for the encouragement to keep me going.
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