Class: Calatrava::Configuration

Inherits:
Object
  • Object
show all
Includes:
Rake::DSL
Defined in:
lib/calatrava/configuration.rb

Constant Summary collapse

@@extras = 
[]

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Configuration

Returns a new instance of Configuration.



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# File 'lib/calatrava/configuration.rb', line 13

def initialize
  @runtime = {}
end

Class Method Details

.extra(&configurator) ⇒ Object 



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# File 'lib/calatrava/configuration.rb', line 9

def self.extra(&configurator)
  @@extras << configurator
end

Instance Method Details

#config_for(environment) ⇒ Object 



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# File 'lib/calatrava/configuration.rb', line 30

def config_for(environment)
  @@extras.each { |e| e.call(self) }
  @runtime.merge(YAML::load(File.open(config_yaml))[environment])
end

#config_result_dir ⇒ Object 



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# File 'lib/calatrava/configuration.rb', line 17

def config_result_dir
  "config/result"
end

#config_template_dir ⇒ Object 



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# File 'lib/calatrava/configuration.rb', line 23

def config_template_dir
  "config/templates"
end

#config_yaml ⇒ Object 



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# File 'lib/calatrava/configuration.rb', line 20

def config_yaml
  "config/environments.yml"
end

#evaluate_template(template_path, configuration) ⇒ Object 



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# File 'lib/calatrava/configuration.rb', line 39

def evaluate_template(template_path, configuration)
  file_path = File.join(config_result_dir, File.basename(template_path).gsub(".erb", ''))
  puts "Config: #{File.basename(template_path)} -> #{File.basename(file_path)}"
  result = ERB.new(IO.read(template_path)).result(binding)
  IO.write(file_path, result)
end

#install_tasks ⇒ Object 



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# File 'lib/calatrava/configuration.rb', line 53

def install_tasks
  directory config_result_dir

  %w{local development test automation production}.each do |environment|
    desc "Create config files for #{environment} environment"
    task environment.to_sym => [:clean, config_result_dir] do
      configuration = config_for(environment)
      templates.each do |template|
        evaluate_template(template, configuration)
      end
      artifact_dir(config_result_dir, environment)
    end
  end

  task :clean do
    rm_rf config_result_dir
  end
end

#path(file) ⇒ Object 



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# File 'lib/calatrava/configuration.rb', line 46

def path(file)
  env = ENV['CALATRAVA_ENV'] || "development"
  puts "CALATRAVA_ENV = '#{env}'"
  full_path = artifact_path(File.join(env, file))
  full_path
end

#runtime(key, value) ⇒ Object 



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# File 'lib/calatrava/configuration.rb', line 35

def runtime(key, value)
  @runtime[key] = value
end

#templates ⇒ Object 



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# File 'lib/calatrava/configuration.rb', line 26

def templates
  Rake::FileList["#{config_template_dir}/*.erb"]
end