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Chef + Rails for customer cloud control zondag 7 april 13

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Joren dev Steven ops zondag 7 april 13

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Openminds zondag 7 april 13

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How it used to be • ./post_install.sh • openminds gem • rackup omd.rb • data push to Sock zondag 7 april 13

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• Idempotence • Time consuming • Direct control • Special snowflakes Implications for us zondag 7 april 13

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for customers • no fixed solution: special snowflakes • one-way traffic to Sock • not a real control panel zondag 7 april 13

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starting with chef zondag 7 april 13

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Why Chef zondag 7 april 13

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Why Chef zondag 7 april 13

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First steps • ./post_install.sh zondag 7 april 13

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LAMP Chef Server A M P VPS x zondag 7 april 13

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Initial Issues • not always reusable • no why-run zondag 7 april 13

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Version management • don’t break old stuff • no major upgrades • wrapper recipe • new version == new recipe zondag 7 april 13

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MySQL::default zondag 7 april 13

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Version management Library cookbook Wrapper cookbook zondag 7 april 13

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Version management Library cookbook Sock (cookbook) zondag 7 april 13

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Sock B.C. • one-way traffic • not a real control panel • time consuming for us zondag 7 april 13

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Sock A.C. • two-way traffic • real control panel • client in control zondag 7 april 13

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How Clients Sock Chef node(s) Openminds zondag 7 april 13

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Provisioning Sock zondag 7 april 13

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Provisioning Sock zondag 7 april 13

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Provisioning Sock zondag 7 april 13

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Sock provisions Chef zondag 7 april 13

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Chef handling our JSON • Light-Weight Resource and Providers • Actions: create, update, delete, lock, move, ... zondag 7 april 13

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Chef handling our JSON zondag 7 april 13

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Chef handling our JSON zondag 7 april 13

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Breaking stuff • Cache invalidation • Naming things • Git usage; working in a team • “but it worked on my Vagrant...” zondag 7 april 13

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Sandbox Environment • We still use Vagrant <3 • Mimics Production Environment • Detailed monitoring zondag 7 april 13

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Automated testing • Jenkins • Functional tests • Integration tests zondag 7 april 13

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Knife test zondag 7 april 13

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Knife test Food critic zondag 7 april 13

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Knife test Food critic zondag 7 april 13

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Xen node a node b node c zondag 7 april 13

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Xen node a node b node c Integration tests } zondag 7 april 13

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zondag 7 april 13

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Le Future • we’re agile, we don’t plan the future • chef-sock all the things, all the time • better queueing and reporting zondag 7 april 13

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Le Future zondag 7 april 13

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Thank you. joren Zhann zondag 7 april 13