Manager

manager.rb

class Manager
  def self.configure(&block)
    ::Template.new(&block) 
  end
end

class Template
  attr_reader :assets, :events
  
  def initialize(&block)
    @assets = {}
    @events = {}
    
    instance_eval(&block)
  end
  
  def asset(value, properties = {})
    @assets[value] ||= []
    @assets[value] << properties
  end
  
  def event(name, &block)
    @events[name] = block
  end
  
  def send(action, options = {})
    puts "send #{action} #{options}"
  end
  
  def update(asset, name)
    @assets[asset].select{|asset| asset[:name] == name}.pop[:reboot] ||= 0
    @assets[asset].select{|asset| asset[:name] == name}.pop[:reboot] += 1
  end
end

t = Manager.configure do
  asset :serveur,
    :name => 'DBX-001',
    :ip => '10.0.10.1'
  
  asset :serveur,
    :name => 'DBX-002',
    :ip => '10.0.10.2'
  
  event :down do
    send :mail, :to => '[email protected]'
    send :notificaion, :to => '[email protected]'
  end
  
  event :restart do
    update :serveur, 'DBX-002'
  end
end

puts t.assets
puts t.events
t.events[:down].call
t.events[:restart].call
t.events[:restart].call
puts t.assets