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Mastering Puppet 5

You're reading from   Mastering Puppet 5 Optimize enterprise-grade environment performance with Puppet

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Product type Paperback
Published in Sep 2018
Publisher Packt
ISBN-13 9781788831864
Length 292 pages
Edition 1st Edition
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Authors (2):
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Jason Southgate Jason Southgate
Author Profile Icon Jason Southgate
Jason Southgate
Ryan Russell-Yates Ryan Russell-Yates
Author Profile Icon Ryan Russell-Yates
Ryan Russell-Yates
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Table of Contents (14) Chapters Close

Preface 1. Authoring Modules FREE CHAPTER 2. Roles and Profiles 3. Extending Puppet 4. Hiera 5 5. Managing Code 6. Workflow 7. Continuous Integration 8. Extending Puppet with Tasks and Discovery 9. Exported Resources 10. Application Orchestration 11. Scaling Puppet 12. Troubleshooting and Profiling 13. Other Books You May Enjoy

Service resources


Service resources are environment-wide information pools filled and viewed by application components. Service resources work like exported resources, providing information about other nodes from PuppetDB. The uniqueness of service resources is found in their building of  dependencies between nodes. Service resources are declared as Puppet types, written in Ruby. Providers are optional, and allow for exported resource availability tests.

Service resource types provide a framework of information that can be stored and transported via application orchestration's consume and export metaparameters. The type is required for a service resource, and declares the structure of the information using Ruby code. They are always stored in modules at lib/puppet/type/<resource>.rb, and will be sent to all nodes in an environment when deployed, but will not be actioned upon by nodes not using the resource. The following sample type could encompass the database resource exported by...

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