Improving in production Puppet code

Without breaking too much

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About the guy on stageMade by trial and error

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Quick overview● Basics● Code Strength● Deployment Strength● Documentation

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Introduction

Source - Abstruse Goose - http://abstrusegoose.com/432

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Basics

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Be there

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This might require a bit of handholding

No starting from scratchIt’s a road to beautiful failure

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Create a plan

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Knowing the path and walking the path

Create a planGTD Plan1. Why?2. When?3. What?4. Plan5. Do!6. …7. Profit!

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AgileHow to trap management

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Code Strength

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Peer Review

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Show me yours and I’ll show you mine

Spec TestsShiny armor has never seen war

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Example Spec Test

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Roles / ProfilesAdd stuff while staying sane

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Roles / Profiles

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roles::wordpress_standalone profile::base

profile::mysql

profile::wordpress

profile::nginx

Roles / Profiles

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profile::nginx

hiera

puppetlabs/nginx

enc

Small blocksDo one thing, do it well

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Separate Shared ModulesCan’t clean a room when your friends are

still in it

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Deployment Strength

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Auto BuildingThese pieces, they should fit, I think...

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Auto TestingDon’t worry, i’m just doing a few tests.

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Auto DeploymentGo fast, die young!

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Documentation

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404

Do I need documentation?

Just enough

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Any other reasons?

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Where to put documentation?

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Close to the source

Important LinksFor review, not on presentation screen

Building a Functional Puppet Workflow Part 2: Roles and Profiles - http://s.basg.nl/1A6heKZ

Peer review - Gerrit - https://code.google.com/p/gerrit/Spec Testing - http://rspec-puppet.com/tutorial/Spec Helper - https://github.com/puppetlabs/puppetlabs_spec_helper Dashboards - Foreman - http://theforeman.org/

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Presentation is onlinehttp://s.basg.nl/puppetcode

You can find me on Google+http://google.com/+basgrolleman

Questions

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Questions?

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