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Puppet 5 Cookbook

You're reading from   Puppet 5 Cookbook Jump start your Puppet 5.x deployment using engaging and practical recipes

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Product type Paperback
Published in Jun 2018
Publisher Packt
ISBN-13 9781788622448
Length 394 pages
Edition 4th Edition
Tools
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Author (1):
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Thomas Uphill Thomas Uphill
Author Profile Icon Thomas Uphill
Thomas Uphill
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Table of Contents (16) Chapters Close

Title Page
Packt Upsell
Contributors
Preface
1. Puppet Language and Style FREE CHAPTER 2. Puppet Infrastructure 3. Writing Better Manifests 4. Working with Files and Packages 5. Users and Virtual Resources 6. Managing Resources and Files 7. Managing Applications 8. Servers and Cloud Infrastructure 9. External Tools and the Puppet Ecosystem 10. Monitoring, Reporting, and Troubleshooting 1. Other Books You May Enjoy Index

Temporarily disabling resources


Sometimes, you want to disable a resource for a time so that it doesn't interfere with other work. For example, you might want to tweak a configuration file on the server until you have the exact settings you want, before checking it into Puppet. You don't want Puppet to overwrite it with an old version in the meantime, so you can set the noop metaparameter on the resource:

noop => true,

How to do it...

This example shows you how to use the noop metaparameter:

  1. Modify your site.pp file as follows:
node 'cookbook' {
  file { '/etc/resolv.conf':
    content => "nameserver 127.0.0.1\n",
    noop    => true,
  }
}
  1. Run Puppet:
[root@cookbook ~]# puppet agent -t
...
Notice: /Stage[main]/Main/Node[cookbook]/File[/etc/resolv.conf]/content: 
--- /etc/resolv.conf 2018-03-15 16:12:55.727454381 +0000
+++ /tmp/puppet-file20180316-24960-1ioes0p 2018-03-16 07:57:56.690184900 +0000
@@ -1,3 +1 @@
-# Generated by NetworkManager
-search strangled.net example.com
-nameserver...
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