BDD with Puppet & Cucumber T OM S ULSTON - - PowerPoint PPT Presentation

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May 12, 2023 381 likes •574 views

BDD with Puppet & Cucumber T OM S ULSTON http://thoughtworks.com @tomsulston Whats Puppet http://www.puppetlabs.com/ What is puppet for? Managing many systems Managing configuration System consistency Treating infrastructure as code

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TOM SULSTON

http://thoughtworks.com @tomsulston

BDD with Puppet & Cucumber

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What’s Puppet

http://www.puppetlabs.com/

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System consistency Managing many systems Managing configuration Treating infrastructure as code

What is puppet for?

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SCM System configuration Puppetmaster Server1 WebServers Server1 AppServers Server1 OtherServers

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Self-documentation SCM practices Refactoring Testing Build pipeline

Infrastructure as code

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Manifests External DSL Modules

Puppet structures

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Puppet demo/ exercise

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Have a test server? Implicit testing? Use a test harness!

Testing Puppet

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Behaviour- Driven Development

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“BDD is a second-generation, outside-in, pull-based, multiple-stakeholder, multiple-scale, high-automation, agile methodology.” - Dan North

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Given... , When... , Then... Describes system behaviour Uses plain English Helps ‘business’ and ‘technology’ communicate Automated tests

BDD

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Describe complexity to business Make it work! Fill in the gaps left by development

BDD is good for

perations

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cucumber-puppet

http://github.com/nistude/cucumber-puppet

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Lightweight change control Make changes fearlessly Refactoring Common toolset & language

How this helps

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Demonstration

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Questions?

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TOM SULSTON

http://thoughtworks.com @tomsulston