Chronicle of a SOA foretold

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Chronicle of a SOA foretold (Ruby in the enterprise)

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 2 Me • @kidpollo • Senor Engineer @ Get Satisfaction • I <3 Ruby • Mentor • Entrepreneur wannabe

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 3 I take pictures and like good food Some will say I am a hipster

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 4

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 5 SOA Service Oriented Architectures ‣ Well deﬁned ‣ Built as components ‣ Can be re-used ‣ Loosely coupled

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 6 Ruby is no longer a kid ‣ February 24, 1993 ‣ December 21, 1995 ‣ February 4, 2004 ‣ 2.0 ‣ 4.0

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 7 Rails is SOA ready

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 8 The Novella

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 9 Can Rails scale? http://canrailsscale.com/ NO

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Story of a SOA Foretold Francisco Viramontes @kidpollo • 24 -Matz “Ruby is simple in appearance, but is very complex inside, just like our human body.” 10

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 11 I CAN HAZ JOB?

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 12 Ruby is in big companies

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 13 Ruby is in the cloud

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 14 Ruby is everywhere MRuby

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 15 Ruby is above and beyond

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 16 Rails is ...

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 17 Video http://www.youtube.com/v/E99FnoYqoII?end=129&version=3

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 18 Rails is ola ke ase?

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 19 Default Stack

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 20 My Stack

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 21 The SF Burrito

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 22 SOA Taquiza!

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 23 Now lets get a closer look

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 24 • Its all about scale • A brand new GC • Great performance increase • Some new syntax sparkles • API compatible with 1.9 Ruby 2.0

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 25 Rails 4.x SOA

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 26 Strong Parameters

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 27 Routing Concerns

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 29 Russian Doll (Torta de tamal) catching

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 30 SOA also applies to code • PORO • Classes are your friends • Single responsibility principle • Resilient to change • Easy to test

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 31 PORO

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 32 Single responsibility principle

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 33 Skinny Models • Keep callback logic separate (decouple) • Extract business logic to classes • Don’t mix Authorization with validations http://blog.codeclimate.com/blog/2012/10/17/7-ways-to-decompose-fat-activerecord-models/

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 34

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 35 Authentication as a middleware • Rollout your own • Warden rocks! • Disable session based auth • Share across your services • Oauth 2.0 https://github.com/kidpollo/warden-oauth2

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 36

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 37 Authorization that does not suck! • Rollout your own • Use plain classes • Pundit rocks! • Don't mix with validations • Share across services https://github.com/elabs/pundit

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 38 Whats wrong?

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 39 Versioning from the start • Catching • Documentation • Lifecycle • Dependencies

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 40 Measure everything • Usage • Performance • Trace • Logs http://asciicasts.com/episodes/249-notiﬁcations-in-rails-3

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 41 Now make your own SOA diagram

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Chronicle of a SOA Foretold • 43 Francisco Viramontes · @kidpollo · http://kidpo.io 42

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FIN Thanks! @kidpollo http://www.linkedin.com/in/fviramontes