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![$ ssh deploy@production.server.com
Linux production.server #1 SMP Sat Dec 5 16:04:55 UTC 2009 i686
To access official Ubuntu documentation, please visit:
http://help.ubuntu.com/
Last login: Fri Jan 28 16:33:49 2011 from local.host
deploy@production:~$ cd /var/log/apache2
deploy@production:/var/log/apache2$ tail error.log
[Sun Jan 23 06:25:02 2011] [notice] Apache/2.2.12 (Ubuntu) Phusion_Passenger/2.2.11...
[Tue Jan 25 15:21:42 2011] [error] [client 118.129.166.97] Invalid URI in request G...
[Fri Jan 28 12:01:50 2011] [error] [client 85.132.70.133] client sent HTTP/1.1 requ...
[Sun Jan 30 06:25:06 2011] [notice] SIGUSR1 received. Doing graceful restart](https://image.slidesharecdn.com/201102-westendruby-110202201921-phpapp01/85/Building-Cloud-Castles-9-320.jpg)
![class Comic < ActiveRecord::Base
has_attached_file :cover,
:storage => s3,
:s3_credentials => {
:access_key_id => ENV['s3_key'],
:secret_access_key => ENV['s3_secret']
},
:bucket => 'comicsapp',
:url => ":s3_path_url",
:s3_headers => { 'Expires' => 1.year.from_now.httpdate },
:styles => {
:thumb => "80x120>",
:medium => "300x450>"
}
end](https://image.slidesharecdn.com/201102-westendruby-110202201921-phpapp01/85/Building-Cloud-Castles-21-320.jpg)
![class Comic < ActiveRecord::Base
has_attached_file :cover,
:storage => s3,
:s3_credentials => {
:access_key_id => ENV['s3_key'],
:secret_access_key => ENV['s3_secret']
},
:bucket => 'comicsapp',
:url => ":s3_path_url",
:s3_headers => { 'Expires' => 1.year.from_now.httpdate },
:styles => {
:thumb => "80x120>",
:medium => "300x450>"
}
end](https://image.slidesharecdn.com/201102-westendruby-110202201921-phpapp01/85/Building-Cloud-Castles-22-320.jpg)
![class Searcher
def self.search(term)
Article.where(['content ILIKE ?', "%#{term}%"])
end
end](https://image.slidesharecdn.com/201102-westendruby-110202201921-phpapp01/85/Building-Cloud-Castles-30-320.jpg)
![class Searcher
cattr_accessor :index
def self.index
@api ||= IndexTank::Client.new(ENV['INDEXTANK_API_URL'])
@index = @api.indexes 'articles'
end
def self.search(term)
raw = self.index.search(term, :function => 1)
results = raw['results'].to_a
article_ids = results.map {|result| result['docid'] }
unsorted = Article.published.where(:id => article_ids)
results.map { |result|
unsorted.find {|u| u.id.to_i == result['docid'].to_i}
}.compact
end
end](https://image.slidesharecdn.com/201102-westendruby-110202201921-phpapp01/85/Building-Cloud-Castles-31-320.jpg)
![class Searcher
cattr_accessor :index
def self.index
@api ||= IndexTank::Client.new(ENV['INDEXTANK_API_URL'])
@index = @api.indexes 'articles'
end
def self.search(term)
results = begin
raw = self.index.search(term, :function => 1)
raw['results'].to_a
rescue URI::InvalidURIError # An IndexTank error occurred
search_by_sql(term)['results']
end
article_ids = results.map {|result| result['docid'] }
unsorted = Article.published.where(:id => article_ids)
results.map { |result|
unsorted.find {|u| u.id.to_i == result['docid'].to_i}
}.compact
end
def self.search_by_sql(term)
{'results' => Article.where(['content ILIKE ?', "%#{term}%"]).
map {|a| {'docid' => a.id}}}
end
end](https://image.slidesharecdn.com/201102-westendruby-110202201921-phpapp01/85/Building-Cloud-Castles-32-320.jpg)
![class Searcher
cattr_accessor :index
def self.index
@api ||= IndexTank::Client.new(ENV['INDEXTANK_API_URL'])
@index = @api.indexes 'articles'
end
def self.search(term)
results = begin
raw = self.index.search(term, :function => 1)
raw['results'].to_a
rescue URI::InvalidURIError # An IndexTank error occurred
search_by_sql(term)['results']
end
article_ids = results.map {|result| result['docid'] }
unsorted = Article.published.where(:id => article_ids)
results.map { |result|
unsorted.find {|u| u.id.to_i == result['docid'].to_i}
}.compact
end
def self.search_by_sql(term)
{'results' => Article.where(['content ILIKE ?', "%#{term}%"]).
map {|a| {'docid' => a.id}}}
end
end](https://image.slidesharecdn.com/201102-westendruby-110202201921-phpapp01/85/Building-Cloud-Castles-33-320.jpg)
![class BooksController < ApplicationController
def index
response.headers['Cache-Control'] = 'public, max-age=300'
@books = Book.all
end
end](https://image.slidesharecdn.com/201102-westendruby-110202201921-phpapp01/85/Building-Cloud-Castles-41-320.jpg)
![class BooksController < ApplicationController
def index
response.headers['Cache-Control'] = 'public, max-age=300'
@books = Book.all
end
end](https://image.slidesharecdn.com/201102-westendruby-110202201921-phpapp01/85/Building-Cloud-Castles-42-320.jpg)
Uploaded byBen Scofield
Building Cloud Castles
The document presents a technical overview of deploying and managing a Ruby on Rails application in a cloud environment, specifically using Heroku and various open-source tools. It includes snippets of code for handling tasks such as logging, error management, and caching, while also showcasing best practices like handling HTTP requests and implementing search functionality. Additionally, it highlights the use of external services and cloud storage for media assets in a Rails application.
More Related Content
Building Cloud Castles
- 1. Building Cloud Castles andFinding Firmer Foundations Ben Scofield / @bscofield West End Ruby / 2 Feb 2011
- 2. this presentation isa WORK IN PROGRESS flickr: natlockwood
- 5.
- 6. IS FAR AWAY flickr:sizemoresr
- 7.
- 8.
- 9. $ ssh deploy@production.server.com Linuxproduction.server #1 SMP Sat Dec 5 16:04:55 UTC 2009 i686 To access official Ubuntu documentation, please visit: http://help.ubuntu.com/ Last login: Fri Jan 28 16:33:49 2011 from local.host deploy@production:~$ cd /var/log/apache2 deploy@production:/var/log/apache2$ tail error.log [Sun Jan 23 06:25:02 2011] [notice] Apache/2.2.12 (Ubuntu) Phusion_Passenger/2.2.11... [Tue Jan 25 15:21:42 2011] [error] [client 118.129.166.97] Invalid URI in request G... [Fri Jan 28 12:01:50 2011] [error] [client 85.132.70.133] client sent HTTP/1.1 requ... [Sun Jan 30 06:25:06 2011] [notice] SIGUSR1 received. Doing graceful restart
- 10.
- 11.
- 12. http://newrelic.com - applicationdashboard
- 13.
- 14. $ ssh deploy@production.server.com Linuxproduction.server #1 SMP Sat Dec 5 16:04:55 UTC 2009 i686 To access official Ubuntu documentation, please visit: http://help.ubuntu.com/ Last login: Fri Jan 28 16:33:49 2011 from local.host deploy@production:~$ cd /var/www/app/current/ deploy@production:/var/www/app/current$ rails console production Loading production environment (Rails 3.0.3) >> Article.count => 112 >> Article.where(:problem => true).update_attributes(:problem => false)
- 15. require 'test_helper' class ArticleTest< ActiveSupport::TestCase context 'Broken articles' do setup do 5.times.do { Factory :broken_article } end should 'be fixable' do assert_equal 5, Article.where(:problem => true).count Article.fix_problem_articles assert_equal 0, Article.where(:problem => true).count end end end class Article def self.fix_problem_articles where(:problem => true).update_attributes(:problem => false) end end
- 17.
- 18.
- 19.
- 20. class Comic <ActiveRecord::Base has_attached_file :cover, :styles => { :thumb => "80x120>", :medium => "300x450>" } end $ cd public/system $ ls /covers 10/ 12/ 53/ 81/ $ ls /covers/10/ medium/ original/ thumb/ $ ls /covers/10/medium batman-450.png
- 21. class Comic <ActiveRecord::Base has_attached_file :cover, :storage => s3, :s3_credentials => { :access_key_id => ENV['s3_key'], :secret_access_key => ENV['s3_secret'] }, :bucket => 'comicsapp', :url => ":s3_path_url", :s3_headers => { 'Expires' => 1.year.from_now.httpdate }, :styles => { :thumb => "80x120>", :medium => "300x450>" } end
- 22. class Comic <ActiveRecord::Base has_attached_file :cover, :storage => s3, :s3_credentials => { :access_key_id => ENV['s3_key'], :secret_access_key => ENV['s3_secret'] }, :bucket => 'comicsapp', :url => ":s3_path_url", :s3_headers => { 'Expires' => 1.year.from_now.httpdate }, :styles => { :thumb => "80x120>", :medium => "300x450>" } end
- 23. module Watchtower class Application < Rails::Application # ... require 'openid/store/filesystem' config.middleware.use OmniAuth::Strategies::OpenID, OpenID::Store::Filesystem.new('/tmp') end end
- 24. module Watchtower class Application < Rails::Application # ... require 'openid/store/filesystem' config.middleware.use OmniAuth::Strategies::OpenID, OpenID::Store::Filesystem.new('./tmp') end end
- 25. module Watchtower class Application < Rails::Application # ... require 'openid/store/filesystem' config.middleware.use OmniAuth::Strategies::OpenID, OpenID::Store::Filesystem.new('./tmp') end end
- 27.
- 28.
- 29.
- 30. class Searcher def self.search(term) Article.where(['content ILIKE ?', "%#{term}%"]) end end
- 31. class Searcher cattr_accessor :index def self.index @api ||= IndexTank::Client.new(ENV['INDEXTANK_API_URL']) @index = @api.indexes 'articles' end def self.search(term) raw = self.index.search(term, :function => 1) results = raw['results'].to_a article_ids = results.map {|result| result['docid'] } unsorted = Article.published.where(:id => article_ids) results.map { |result| unsorted.find {|u| u.id.to_i == result['docid'].to_i} }.compact end end
- 32. class Searcher cattr_accessor :index def self.index @api ||= IndexTank::Client.new(ENV['INDEXTANK_API_URL']) @index = @api.indexes 'articles' end def self.search(term) results = begin raw = self.index.search(term, :function => 1) raw['results'].to_a rescue URI::InvalidURIError # An IndexTank error occurred search_by_sql(term)['results'] end article_ids = results.map {|result| result['docid'] } unsorted = Article.published.where(:id => article_ids) results.map { |result| unsorted.find {|u| u.id.to_i == result['docid'].to_i} }.compact end def self.search_by_sql(term) {'results' => Article.where(['content ILIKE ?', "%#{term}%"]). map {|a| {'docid' => a.id}}} end end
- 33. class Searcher cattr_accessor :index def self.index @api ||= IndexTank::Client.new(ENV['INDEXTANK_API_URL']) @index = @api.indexes 'articles' end def self.search(term) results = begin raw = self.index.search(term, :function => 1) raw['results'].to_a rescue URI::InvalidURIError # An IndexTank error occurred search_by_sql(term)['results'] end article_ids = results.map {|result| result['docid'] } unsorted = Article.published.where(:id => article_ids) results.map { |result| unsorted.find {|u| u.id.to_i == result['docid'].to_i} }.compact end def self.search_by_sql(term) {'results' => Article.where(['content ILIKE ?', "%#{term}%"]). map {|a| {'docid' => a.id}}} end end
- 35.
- 36.
- 37.
- 38. class BooksController <ApplicationController caches_page :index def index @books = Book.all end end
- 39. module CardCatalog class Application < Rails::Application # ... ActionController::Base.cache_store = :mem_cache_store, "memcache_host" end end class BooksController < ApplicationController caches_action :index def index @books = Book.all end end
- 40. module CardCatalog class Application < Rails::Application # ... ActionController::Base.cache_store = :mem_cache_store, "memcache_host" end end class BooksController < ApplicationController caches_action :index def index @books = Book.all end end
- 41. class BooksController <ApplicationController def index response.headers['Cache-Control'] = 'public, max-age=300' @books = Book.all end end
- 42. class BooksController <ApplicationController def index response.headers['Cache-Control'] = 'public, max-age=300' @books = Book.all end end
- 44.
- 45. IS MADE OF TINY PARTS flickr: dev07
- 46.
- 47.
- 48. App App App App App App App App App App App App App App App App App
- 49. $ heroku create Creatingempty-sword-187....... done http://empty-sword-187.heroku.com/ | git@heroku.com:empty-sword-187.git Git remote heroku added $ git push heroku master Counting objects: 5, done. Delta compression using up to 4 threads. Compressing objects: 100% (3/3), done. Writing objects: 100% (3/3), 285 bytes, done. Total 3 (delta 2), reused 0 (delta 0) -----> Heroku receiving push -----> Rails app detected -----> Detected use of caches_page Installing caches_page_via_http plugin... done -----> Detected Rails is not set to serve static_assets Installing rails3_serve_static_assets... done -----> Gemfile detected, running Bundler version 1.0.7 Unresolved dependencies detected; Installing... Using --without development:test Fetching source index for http://rubygems.org/ ...
- 50. App App App App App App App App App App App App App App App App App
- 51. App App App App App App App App App App App App App App App App App
- 52.
- 55.
- 56.
- 57.
- 58.
- 59.
- 60. http://spkr8.com/t/5491 Thanks! http://benscofield.com http://heroku.com Ben Scofield / @bscofield West End Ruby / 2 Feb 2011