Mastering Ansible

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Mastering AnsibleDesign, develop, and solve real world automationand orchestration needs by unlocking the automationcapabilities of AnsibleJesse KeatingBIRMINGHAM - MUMBAIwww.allitebooks.com
Mastering AnsibleCopyright © 2015 Packt PublishingAll rights reserved. No part of this book may be reproduced, stored in a retrievalsystem, or transmitted in any form or by any means, without the prior writtenpermission of the publisher, except in the case of brief quotations embedded incritical articles or reviews.Every effort has been made in the preparation of this book to ensure the accuracy ofthe information presented. However, the information contained in this book is soldwithout warranty, either express or implied. Neither the authornor Packt Publishing,and its dealers and distributors will be held liable for any damages caused or allegedto be caused directly or indirectly by this book.Packt Publishing has endeavored to provide trademark information about all of thecompanies and products mentioned in this book by the appropriate use of capitals.However, Packt Publishing cannot guarantee the accuracy of this information.First published: November 2015Production reference:1191115Published by Packt Publishing Ltd.Livery Place35 Livery StreetBirmingham B32PB, UK.ISBN 978-1-78439-548-3www.packtpub.comwww.allitebooks.com
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Page 5 and 6: About the AuthorJesse Keating is an
Page 7 and 8: About the ReviewersRyan Eschinger i
Page 9 and 10: Patrik Uytterhoeven has over 16 yea
Page 12 and 13: Table of ContentsPrefaceviiChapter
Page 14 and 15: [ iii ]Table of ContentsPython obje
Page 16: Table of ContentsLookup plugins 193
Page 19 and 20: PrefaceChapter 7, Troubleshooting A
Page 21 and 22: PrefaceErrataAlthough we have taken
Page 23 and 24: System Architecture and Design of A
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System Architecture and Design of A
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Protecting Your Secrets with Ansibl
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Unlocking the Power ofJinja2 Templa
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Chapter 3Executing this playbook wi
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Chapter 3Changing the value of api.
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Chapter 3{% if dir != "/" %}data_di
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Chapter 3Now, we can execute the pl
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Chapter 3{{ dir }}{{ comma(loop) }}
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argumentsThe arguments variable is
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Chapter 3The rendered version of th
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Chapter 3The rendered result will b
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[ 67 ]Chapter 3Data manipulationWhi
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Chapter 3While default is very usef
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Chapter 3shuffleSimilar to the rand
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Chapter 3expanduserOften, paths to
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Chapter 3Searching for contentIt is
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Chapter 3Python object methodsJinja
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Comparing valuesComparisons are use
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Controlling Task ConditionsAnsible
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Chapter 4This time when we run the
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Chapter 4We simply stated that any
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Chapter 4In the scenario in which t
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Chapter 4The changed_when argument
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Chapter 4The convenience of creates
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Chapter 4To suppress change, simply
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Composing Reusable Ansible Content
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Minimizing Downtime withRolling Dep
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Chapter 6Now, we can start creating
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Chapter 6• The run-away processes
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Chapter 6- name: haproxy configtemp
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Chapter 6Now when we execute, we'll
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Now, if we change our conditional s
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Chapter 6Let's run this new play to
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Chapter 6Forcing handlers to run ca
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Chapter 6For our top-level playbook
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Now, let's execute the playbook aga
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Chapter 6When we run this play, we'
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Troubleshooting AnsibleAnsible is s
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Chapter 7Variable introspectionA co
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Chapter 7Running this modified play
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Using debug to display the entire c
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Chapter 7When running this play, we
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Chapter 7To discover the path to th
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Chapter 7The where and the list com
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Chapter 7The PlayBook class __init_
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My development system is a Mac lapt
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Chapter 7To demonstrate how this de
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Chapter 7From this point on, we can
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Chapter 7SummaryAnsible is software
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Extending AnsibleThe basic module c
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Extending AnsibleWith a module obje
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Extending AnsibleModule documentati
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Extending AnsibleWith this variable
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Extending Ansiblesample: "/path/to/
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Extending AnsibleProviding fact dat
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Extending AnsibleHandling check mod
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Extending AnsibleVars pluginsConstr
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Extending AnsibleCallback pluginsCa
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Extending AnsibleThat's all we have
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Extending Ansible• digital_ocean
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Extending Ansible3. Now, we'll crea
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Extending AnsibleIf we pass --list,
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Extending AnsibleOptimizing script
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Extending AnsibleSummaryAnsible is
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Eencrypted filesansible-playbook, e
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included tasks, tagging 105, 106var
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Ansible ConfigurationManagementSeco
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Mastering Ansible

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