Talk: Understanding the Data Lookup Pattern
In February 2018 I had the pleasure of attending Config Management Camp 2018 to give a talk alongside Jan Ivar Beddari (@beddari). For this talk I drew on some of the topics discussed in my [..]
Craig Dunn's Blog
A regular puppet
Hierarchical Data Lookups with Ansible
A new lookup plugin for Ansible that uses Jerakia to do hierarchical data lookups right from your playbook.
Understanding Hierarchical Data Lookups
An in-depth explanation of hierarchical data lookups and how it relates to infrastructure configuration
Managing Puppet Secrets with Jerakia and Vault
A new approach to managing encrypted secrets in Puppet using Vault and Jerakia
Composite namevars in Puppet
An advanced look at everything you never wanted to know about composite namevars in Puppet resource types
Designing modules in a Puppet 4 world
Puppet 4.0 has been around for a while now, and most of it’s language features have been around even longer using the future parser option in later versions of the 3.x series. Good module design [..]
Using data schemas with Jerakia 0.5
Introduction In my previous posts I introduced and talked about a new data lookup tool called Jerakia. I also recently gave a talk at Config Management Camp in February about it. This week saw the release of version [..]
Extending Jerakia with lookup plugins
Introduction In my last post, I introduced Jerakia as a data lookup engine for Puppet, and other tools. We looked out how to use lookup policies to get around complex requirements and edge cases including [..]
Solving real world problems with Jerakia
Background I’ve always been a great admirer of Hiera, and I still remember the pain and turmoil of living in a pre-Hiera world trying to come up with insane code patterns within Puppet to try [..]
Puppet data from CouchDB using hiera-http
Introducing hiera-http I started looking at various places people store data, and ways to fetch it and realized that a lot of data storage applications are RESTful, yet there doesn’t seem to be any support [..]