Certification Study Companion Series
Editorial Board
Jonathan Gennick
Apress, New York, NY, USA
Susan McDermott
Suite 4600, APRESS, New York, NY, USA
Smriti Srivastava
Loyal Inn, Seattle, WA, USA
Mark Powers Powers
ISLAND PARK, NY, USA
Divya Modi
1 Floor, Wing B, Tower 9, SEZ, Crest Premedia Solutions Private Ltd, Pune, Maharashtra, India
Celestin Suresh John
Level 5, Wing A, Tower 9, Pune, Maharashtra, India
Shiva Ramachandran
Apress, 6th Floor, New York, NY, USA
Aditee Mirashi
Heidelberg, Baden-Württemberg, Germany
James Robinson-Prior
Apress, London, UK

The Apress Certification Study Companion Series offers guidance and hands-on practice to support technical and business professionals who are studying for an exam in the pursuit of an industry certification. Professionals worldwide seek to achieve certifications in order to advance in a career role, reinforce knowledge in a specific discipline, or to apply for or change jobs. This series focuses on the most widely taken certification exams in a given field. It is designed to be user friendly, tracking to topics as they appear in a given exam. Authors for this series are experts and instructors who not only possess a deep understanding of the content, but also have experience teaching the key concepts that support readers in the practical application of the skills learned in their day-to-day roles.

More information about this series at https://​link.​springer.​com/​bookseries/​17100

Andrey Markelov

Certified OpenStack Administrator Study Guide

Get Everything You Need for the COA Exam

2nd ed.
Andrey Markelov
Stockholm, Sweden
ISSN 2731-8761e-ISSN 2731-877X
Certification Study Companion Series
ISBN 978-1-4842-8803-0e-ISBN 978-1-4842-8804-7
https://doi.org/10.1007/978-1-4842-8804-7
© Andrey Markelov 2016, 2022
This work is subject to copyright. All rights are solely and exclusively licensed by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed.
The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use.
The publisher, the authors, and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, expressed or implied, with respect to the material contained herein or for any errors or omissions that may have been made. The publisher remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

This Apress imprint is published by the registered company APress Media, LLC, part of Springer Nature.

The registered company address is: 1 New York Plaza, New York, NY 10004, U.S.A.

To my wife, Elena, for her love and support

Table of Contents
Chapter 1:​ Getting Started1
What Is the Certified OpenStack Administrator Exam?​1
Tips for COA Exam Preparation2
Other OpenStack Certifications (Red Hat)5
Understanding the Components That Make up the Cloud9
The History of the OpenStack Project13
Summary15
Chapter 2:​ How to Build Your Own Virtual Test Environment17
Installing Vanilla OpenStack with the DevStack Tool17
Installing RDO OpenStack Distribution with PackStack21
Installing Ubuntu OpenStack with MicroStack27
Summary28
Chapter 3:​ OpenStack APIs29
Using the OpenStack CLI29
Horizon’s Architecture31
Verifying the Operation of the Dashboard33
Creating and Managing RC Files to Authenticate with Keystone for Command-Line Use34
Summary35
Review Questions36
Answers36
Chapter 4:​ Identity Management37
Managing Keystone Catalog Services and Endpoints40
Managing/​Creating Domains, Projects, Users, and Roles46
Managing and Verifying the Operation of the Identity Service53
Summary56
Review Questions56
Answers57
Chapter 5:​ Image Management59
Glance’s Architecture and Main Components59
Deploying a New Image to an OpenStack Instance63
Managing Images67
Managing Image Back Ends71
Verifying Operation of the Image Service72
Summary74
Review Questions74
Answers75
Chapter 6:​ OpenStack Networking77
Neutron’s Architecture and Components77
Opening vSwitch’s Architecture81
Opening Virtual Networking (OVN)85
Managing Network Resources87
Managing Project Security Group Rules102
Managing Quotas107
Verifying the Operation of the Network Service112
Summary120
Review Questions120
Answers121
Chapter 7:​ OpenStack Compute123
Nova’s Architecture and Components123
Managing Flavors128
Managing and Accessing an Instance Using a Key Pair131
Launching, Shutting Down, and Terminating the Instance134
Managing Instance Snapshots141
Managing Quotas144
Getting Nova Stats147
Verifying the Operation and Managing Nova Compute Servers150
Summary154
Review Questions154
Answers155
Chapter 8:​ OpenStack Object Storage157
Overview of Swift Object Storage157
Managing Permissions on a Container in Object Storage161
Using the cURL Tool for Working with Swift162
Managing Expiring Objects163
Swift Cluster Monitoring164
Summary166
Review Questions166
Answers167
Chapter 9:​ Block Storage169
Cinder’s Architecture and Components169
Managing Volume and Mount It to a Nova Instance174
Creating Volume Group for Block Storage181
Managing Quotas182
Backing up and Restoring Volumes and Snapshots185
Managing Volume Snapshots187
Setting up Storage Pools191
Summary192
Review Questions192
Answers193
Chapter 10:​ Troubleshooting195
The Main Principles of Troubleshooting195
Checking the OpenStack Version199
Finding and Analyzing Log Files200
Backing up the Database Used by an OpenStack Instance202
Analyzing Host/​Guest OS and Instance Status203
Analyzing Messaging Servers209
Analyzing Network Status212
Digesting the OpenStack Environment221
Summary224
Review Questions224
Answers226
Chapter 11:​ Conclusion227
Appendix A:​ OpenStack Orchestration233
Heat’s Architecture and Components233
Introducing the Heat OpenStack Template234
Launching a Stack Using a HOT236
Using CLI and the Dashboard for Heat Service Operations242
Index249
About the Author
Andrey Markelov

A photograph of Andrey Markelov.

is an experienced Linux and cloud architect who has worked for large international companies (Red Hat and Ericsson, currently). He has written and published more than 50 articles about Linux and Unix systems services, virtual systems, and open source (Linux Format RE, Сomputerra, PCWeek/RE, and others). Andrey is the author of several OpenStack and Kubernetes books. He has taught Microsoft and Red Hat–authorized courses for over 15 years. Andrey has been a Red Hat Certified Architect since 2009 and is also a Microsoft Certified System Engineer, Cisco Certified Network Associate, Novell Certified Linux Professional, and VMware Certified Professional. Although Andrey has been working with cloud computing for a decade, he avoids clouds in real life by enjoying private piloting as a hobby.
 
About the Technical Reviewer
Ilya Alekseyev

has 20 years of experience in IT, including cloud computing, DevOps, big data, HPC, system and software architecture, software development, and development team management. He has experience in open source software development and community development for OpenStack projects. For several years he has held a volunteering position as OpenStack Ambassador. He worked in companies such as Nutanix, Nvidia, Mirantis, Grid Dynamics, and others. He has participated in OpenStack-related projects for PayPal, NTT East, Lattelecom, and other companies. He has also organized a series of OpenStack meetups and conferences.

 
..................Content has been hidden....................

You can't read the all page of ebook, please click here login for view all page.
Reset
3.145.35.194