From 'Legacy' to 'Edge'

Transcript

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   ࣲా
   തࢤ SHIBATA Hiroshi QBQFSCPZDP BTBLVTBSC paperboy&co., Inc. Continuous Upgrades For

   Rails Apps. ൃද৔ॴ
   3FE%PU3VCZ$POG
    2013-06-08(Sat) From 'Legacy' to 'Edge'
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   None
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   TFMG

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   SHIBATA Hiroshi(@hsbt)

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   Rails Girls in Japan

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   asakusa.rb

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   asakusa.rb takoyaki!

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   asakusa.rb

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   Ruby Committer

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    Great News

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    ruby/www.ruby-lang.org

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    Please join us

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    http://bugs.ruby-lang.org

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    asakusarb/redmine4ruby-lang

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    None
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    None
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    None
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    http://30d.jp

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    from 2007/5

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    280,000 users 174,000,000 photos

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    Our Rails app 44models 9000lines in controllers 220lines in routes.rb

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    system architecture

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    application server

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    storage api server

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    storage server

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    customer management

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    storage is over 400TB

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    Ruby 1.8.6 Rails 2.0.2

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    Rails in Kansas

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    Rails in Tokyo

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    Ruby 1.8.6 Rails 2.0.2 Ruby 2.0.0 Rails 3.2.13

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    Ruby Ruby Ruby Ruby 1.8.6 1.8.7 1.9 2.0 Rails 2.0/2.1

    Rails 2.3 Rails 3.0 Rails 3.2
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    Ruby Ruby Ruby Ruby 1.8.6 1.8.7 1.9 2.0 Rails 2.0/2.1

    Rails 2.3 Rails 3.0 Rails 3.2
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    Ruby Ruby Ruby Ruby 1.8.6 1.8.7 1.9 2.0 Rails 2.0/2.1

    Rails 2.3 Rails 3.0 Rails 3.2
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    How to migrate edge rails from legacy rails?

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    Test to specify

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    Continuous Integration

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    staging environment

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    puppet

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    1-8 deploy/day

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    Rails 2.0 Rails 2.3

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    Rails 2.0 Rails 2.3 hotfix A migration A

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    Rails 2.0 Rails 2.3 hotfix A migration A

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    Rails 2.0 Rails 2.3 hotfix A migration A

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    offensive system operation

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    Zero Downtime Deploy

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    app1 app2

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    should not use slave-read in database caution

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    the basic of slave-read

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    None
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    cookpad/kage

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    Kage (kah-geh) is an HTTP shadow proxy server that sits

    between clients and your server(s) to enable "shadow requests".
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    the basic of kage real request

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    Kage::ProxyServer.start do |server| config = YAML.load_file(File.expand_path("../config.yml", __FILE__))[ENV['RAILS_ENV']] server.port = 8090

    server.host = config[:host] server.debug = false # backends can share the same host/port server.add_master_backend(:production, config[:production], 8080) server.add_backend(:sandbox, config[:sandbox], 80) server.client_timeout = 15 server.backend_timeout = 10 # Dispatch all GET requests to multiple backends, otherwise only :production server.on_select_backends do |request, headers| if request[:method] == 'GET' && rand(9) == 0 [:production, :sandbox] else [:production] end end end
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    hsbt/puppet-kage

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    None
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    app1 app2

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    monitoring and alerting

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    newrelic

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    nagios

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    exception_notification

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    IRC github issue costomer’s contact nagios

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    munin

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    people

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    newcomer bootcamp sergeant sergeant sergeant

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    github and github:e

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    webistrano

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    None
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    confusion of programmer is causes of low productivity

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    Ruby Ruby Ruby Ruby 1.8.6 1.8.7 1.9 2.0 Rails 2.0/2.1

    Rails 2.3 Rails 3.0 Rails 3.2 always on the edge is motivating
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    Ruby 1.8.7 Rails 2.3.18 Ruby 1.8.7 Rails 3.0.20

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    rails 2.3 with bundler

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    source 'https://rubygems.org' gem 'rails', '~> 2.3.18' gem 'rake', '~> 0.9.2'

    gem 'rdoc' gem 'rake-confirm' gem 'mysql' gem "mysql_retry_lost_connection" gem 'acts_as_paranoid', :github => 'paperboy-30days/acts_as_paranoid' gem 'passenger', '~> 3.0' gem 'memcache-client', :require => 'memcache' gem 'system_timer' gem 'yajl-ruby', :require => 'yajl' gem 'will_paginate', '~> 2.3' gem 'mail' gem 'sass' gem 'compass-rails' gem 'osaipo_client', :git => 'git@github.com:paperboy-all/ osaipo_client.git', :branch => 'legacy' gem 'jugem_client', :git => 'git@github.com:paperboy-all/ jugem_client.git' gem 'ppb_footer', :github => 'paperboy-all/ppb_footer'
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    require "./config/environment" use Rails::Rack::LogTailer use Rails::Rack::Static run ActionController::Dispatcher.new rack with

    rails 2.3
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    rails_upgrade plugin

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    30days-front can’t use hyphen can’t use number can’t convert application.rb...

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    conclusion

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    Ruby Ruby Ruby Ruby 1.8.6 1.8.7 1.9 2.0 Rails 2.0/2.1

    Rails 2.3 Rails 3.0 Rails 3.2
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    high productivity

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    Let’s enjoy around legacy system!!