csouls

namespace :deploy do
  set :db_user, 'set_db_user'
  set :db_password, 'set_db_password'
  set(:environment) { rails_env }
  set :master, 'localhost'
  set :slaves, []
  set :database_name, "dbprefix_#{rails_env}"

  # memcached config => [hostname:port]
  set :memcache_servers, ['localhost:11211']

csouls

require 'erubis'
require 'aws-sdk'

module CapistranoExtentions
  # Run a git command in the `current_path` directory
  def git(command)
    run "cd #{current_path} && umask 002 && git #{command}"
  end

  # Capture the result of a git command run within the `current_path` directory

csouls

# config/deploy.rb
def tagged_servers(tag_key, tag_value, default=[])
  @ec2 ||= AWS::EC2.new(ec2_endpoint: 'ec2.ap-northeast-1.amazonaws.com')
  ret = @ec2.instances.map do |instance|
    next if instance.tags[tag_key] != tag_value
    next if instance.status != :running
    instance.dns_name.empty? ? instance.ip_address : instance.dns_name
  end.compact
  return default if ret.empty?
  ret

csouls

require 'rubygems'
require 'mechanize'
require 'rainbow'

m = Mechanize.new
m.get('http://www.meigensyu.com/quotations/view/random/') do |random|
  m.get(random.uri) do |page|
    text = page.parser.xpath('//div[@class="meigenbox"]/div[@class="text"]').text
    puts Rainbow(text).color(:blue)
  end