Enterprise Open Source

1
Enterprise Open Source

• Jason Dew
• Budget and Control Board
• Office of Research and Statistics
• Health and Demographics

2
Situation

• ORS is a service agency -- mostly we serve other
  state agencies
  
• very limited in our web development staff
  resources
  
• fortunate enough to have management that allows
  us some freedom in selecting our tools

3
The Solution

• Ruby on Rails - web framework
• mySQL - database server
• Nginx - web server
• Thin - application server
• Git - source control
• Capistrano - automated deployment

4
Free and Open Sourcealso known as F/OSS
5
Rails
6
Rapid prototyping
7
MVC architecture
8
Easy code reuse
9
Uses an ORMActiveRecord
10
Rapidly evolving through the community
11
Prominent Rails Deployments

• Twitter.com
• YellowPages.com
• GitHub.com
• Shopify.com
• many more

12
Ruby
13
Ruby is powerful
14
3.days.ago
account.paid_up?
client.age 42
15
Ruby makes nice DSLs(Domain Specific Languages)
16

• class Account
• belongs_to client
• has_many purchases
• end

17
Business Natural Languagehttp//bnl.jayfields.com
/
18

• employee John Jones
• compensate 2500 for each deal closed in the past
  30 days
  
• compensate 500 for each active deal that closed
  more than 365 days ago
  
• compensate 5 of gross profits if gross profits
  are greater than 1,000,000

19
Ruby Implementations

• MRI (Matz Ruby Interpreter), written in C
• JRuby, written in Java
• Rubinius, written in Ruby (mostly)
• IronRuby (aka Ruby.NET), written in C

20
Ruby in Industry

• Sun Microsystems has two engineers dedicated to
  JRuby
  
• Sun also sponsors most Ruby Conferences
• Sun sponsoring Rubinius support as well
• Engine Yard has 6 dedicated engineers on
  Rubinius
  
• Microsoft supporting IronRuby
• Google beginning to support Ruby in App Engine

21
The Ruby/Rails Community

• Ruby-Talk has over 2,000 members, averaging about
  3,000 posts per month
  
• Rails-Talk has over 15,000 members, averaging
  about 4,000 posts per month
  
• Very helpful folks in IRC on rubyonrails,
  jruby, rubinius, etc

22
mySQL

• Robust relational database
• Supports multiple storage engines
• Recently acquired by Sun Microsystems

23
Nginx

• 3rd most popular web server
• lighter and faster than Apache
• used by Hulu.com, WordPress.com, etc

http//survey.netcraft.com/Reports/200806/
24
Thin

• Very thin proxy for Rails process
• Fast for many short requests
• Mongrel for loads that contain long-running
  processes

25
Git

• Distributed version control system
• Created by Linus Torvalds (who also created
  Linux)
  
• Used on one of the largest F/OSS projects
• GitHub.com for free hosting

26
Capistrano

• Automated deployment
• Interfaces with Git, Subversion, etc
• Easily deploy to many servers

27
Questions?