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Infrastructure as Ruby code
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Augusto Becciu
October 20, 2012
Programming
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1.3k
Infrastructure as Ruby code
RubyConf Argentina 2012
Augusto Becciu
October 20, 2012
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Transcript
Infrastructure as Ruby Code Augusto Becciu
Who am I? • @abecciu {github, twitter} • Hacker •
Startups guy • Cur: CTO at • Prev: Dev / Ops Engineer at
Who are you?
Traditional Sysadmin • Manual (mostly) • Lack of process •
Bunch of shell and perl scripts • Fear of change • Monolithic architectures • Durable bare metal hardware • Vertical scalability
None
The Cloud Computing Evolution • Service Oriented Architectures • Horizontal
Scalability • Transition to virtualized ephemeral resources • Instant provisioning • OMG APIs !!!
Infrastructure as code Apply software engineering practices to systems administration
and operation.
Infrastructure as code • Automation • Repeatability • Agility •
Scalability Apply software engineering practices to systems administration and operation.
“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:
Hello Chef • Configuration management • Systems integration • Idempotence
• Declarative and imperative • Ruby everywhere
None
Let’s deploy RubyConfAR’s website!
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
Attributes
Recipe
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Syntax Check $ knife cookbook test rubyconfar
Static Analysis $ gem install foodcritic $ foodcritic rubyconfar http://acrmp.github.com/foodcritic/
Unit Testing $ gem install rspec $ gem install chefspec
$ rspec --color rubyconfar https://github.com/acrmp/chefspec https://github.com/acrmp/chefspec
Unit Testing
Integration Testing $ gem install minitest-chef-handler https://github.com/calavera/minitest-chef-handler https://github.com/btm/minitest-handler-cookbook
Integration Testing
Acceptance Testing $ gem install cucumber-nagios $ cucumber-nagios-gen project rubyconfar
$ cd rubyconfar $ ./bin/cucumber-nagios features/ http://auxesis.github.com/cucumber-nagios/
Acceptance Testing
None
Cloud Provisioning
Vagrant http://vagrantup.com/
Vagrant
Vagrant $ vagrant box add precise64 http://files.vagrantup.com/precise64.box $ vagrant up
$ vagrant provision $ vagrant destroy
$ gem install knife-ec2 $ knife ec2 server create -I
ami-2e845d33 -f t1.micro -r ‘recipe[rubyconfar]’ $ knife ec2 server delete instance_id
The Ruby cloud services library http://fog.io
None
Automate ALL the things!
Build your own awesome tools, it’s easy! + + gli
Net::SSH + http://net-ssh.rubyforge.org/ http://davetron5000.github.com/gli/
Thanks! is hiring! http://restorando.com/joinus