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# Guide
# Configure the essential configurations below and do the following:
# 
#   Repository Creation:
#     cap deploy:repository:create
#     git add .
#     git commit -am "initial commit"
#     git push origin master
# 
#   Initial Deployment:

jhjguxin

# Guide
# Configure the essential configurations below and do the following:
# 
#   Repository Creation:
#     cap deploy:repository:create
#     git add .
#     git commit -am "initial commit"
#     git push origin master
# 
#   Initial Deployment:

jhjguxin

after "deploy:create_symlink", "deploy:restart_workers"

##
# Rake helper task.
# http://pastie.org/255489
# http://geminstallthat.wordpress.com/2008/01/27/rake-tasks-through-capistrano/
# http://ananelson.com/said/on/2007/12/30/remote-rake-tasks-with-capistrano/
def run_remote_rake(rake_cmd)
  rake_args = ENV['RAKE_ARGS'].to_s.split(',')
  cmd = "cd #{fetch(:latest_release)} && #{fetch(:rake, "rake")} RAILS_ENV=#{fetch(:rails_env, "production")} #{rake_cmd}"

jhjguxin

# An example of elasticsearch & Tire setup for ActiveRecord associations.
#
# A `Book has_many :chapters` scenario, with mapping and JSON serialization
# for indexing associated models.
#
# Demonstrates three important caveats as of now:
#
# 1. You you have to use `touch: true` in the `belongs_to` declaration,
#    to automatically notify the parent model about the update.
#

jhjguxin

after "deploy:symlink", "deploy:restart_workers"

##
# Rake helper task.
# http://pastie.org/255489
# http://geminstallthat.wordpress.com/2008/01/27/rake-tasks-through-capistrano/
# http://ananelson.com/said/on/2007/12/30/remote-rake-tasks-with-capistrano/
def run_remote_rake(rake_cmd)
  rake_args = ENV['RAKE_ARGS'].to_s.split(',')
  cmd = "cd #{fetch(:latest_release)} && #{fetch(:rake, "rake")} RAILS_ENV=#{fetch(:rails_env, "production")} #{rake_cmd}"

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def find_in_batches(criteria, batch_size = 1000, sleep_seconds = 1)
  current_batch = 0
  count = criteria.count

  while count > 0 do
    criteria.skip(current_batch * batch_size).limit(batch_size).collect{|doc| yield doc}
    count -= batch_size
    current_batch += 1
    #logger.info "now picked #{current_batch * batch_size}, batch_size is #{batch_size} then sleep #{sleep_seconds}'s ..."
    sleep sleep_seconds

jhjguxin

http://www.zhlwish.com/2012/07/23/rails-activesupport-concern/

# autoload concerns
module YourApp
  class Application < Rails::Application
    # config.autoload_paths += %W(
    #     #{config.root}/app/controllers/concerns/
    #      #{config.root}/app/models/concerns/
    #   )

jhjguxin

Routes

小心地使用 Match（Rails 3 已实现）

Rails 3 提供了 match 方法供我们自定义 routes，然而我们要小心使用它以避免“跨站脚本攻击”（XSS Attack）。比如像这样的 routes：

注：（r3 代表 Rails 3，r4 代表 Rails 4）

# routes.rb

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# Author: Pieter Noordhuis
# Description: Simple demo to showcase Redis PubSub with EventMachine
#
# Requirements:
# - rubygems: eventmachine, thin, cramp, sinatra, yajl-ruby
# - a browser with WebSocket support
#
# Usage:
# ruby redis_pubsub_demo.rb
#

jhjguxin

after "deploy:symlink", "deploy:restart_workers"
after "deploy:restart_workers", "deploy:restart_scheduler"

##
# Rake helper task.
# http://pastie.org/255489
# http://geminstallthat.wordpress.com/2008/01/27/rake-tasks-through-capistrano/
# http://ananelson.com/said/on/2007/12/30/remote-rake-tasks-with-capistrano/
def run_remote_rake(rake_cmd)
  rake_args = ENV['RAKE_ARGS'].to_s.split(',')