Infrastructure as Ruby code

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Infrastructure as Ruby Code Augusto Becciu

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Who am I? • @abecciu {github, twitter} • Hacker • Startups guy • Cur: CTO at • Prev: Dev / Ops Engineer at

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Who are you?

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Traditional Sysadmin • Manual (mostly) • Lack of process • Bunch of shell and perl scripts • Fear of change • Monolithic architectures • Durable bare metal hardware • Vertical scalability

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The Cloud Computing Evolution • Service Oriented Architectures • Horizontal Scalability • Transition to virtualized ephemeral resources • Instant provisioning • OMG APIs !!!

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Infrastructure as code Apply software engineering practices to systems administration and operation.

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Infrastructure as code • Automation • Repeatability • Agility • Scalability Apply software engineering practices to systems administration and operation.

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“Enable the reconstruction of the business from nothing but a source code repository, an application data backup, and bare metal resources” Jesse Robins describes the goal brilliantly:

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Hello Chef • Conﬁguration management • Systems integration • Idempotence • Declarative and imperative • Ruby everywhere

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Let’s deploy RubyConfAR’s website!

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We need to... • Install packages • Create directories • Create users • Get the code • Install gems • Run migrations • Run the app server

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Recipe

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Attributes

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Recipe

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Syntax Check $ knife cookbook test rubyconfar

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Static Analysis $ gem install foodcritic $ foodcritic rubyconfar http://acrmp.github.com/foodcritic/

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Unit Testing $ gem install rspec $ gem install chefspec $ rspec --color rubyconfar https://github.com/acrmp/chefspec https://github.com/acrmp/chefspec

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Unit Testing

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Integration Testing $ gem install minitest-chef-handler https://github.com/calavera/minitest-chef-handler https://github.com/btm/minitest-handler-cookbook

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Integration Testing

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Acceptance Testing $ gem install cucumber-nagios $ cucumber-nagios-gen project rubyconfar $ cd rubyconfar $ ./bin/cucumber-nagios features/ http://auxesis.github.com/cucumber-nagios/

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Acceptance Testing

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Cloud Provisioning

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Vagrant http://vagrantup.com/

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Vagrant

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Vagrant $ vagrant box add precise64 http://ﬁles.vagrantup.com/precise64.box $ vagrant up $ vagrant provision $ vagrant destroy

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$ gem install knife-ec2 $ knife ec2 server create -I ami-2e845d33 -f t1.micro -r ‘recipe[rubyconfar]’ $ knife ec2 server delete instance_id

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The Ruby cloud services library http://fog.io

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Automate ALL the things!

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Build your own awesome tools, it’s easy! + + gli Net::SSH + http://net-ssh.rubyforge.org/ http://davetron5000.github.com/gli/

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Thanks! is hiring! http://restorando.com/joinus