Class: Ufo::Layering::Layer

Inherits:
Object
  • Object
show all
Extended by:
Memoist
Includes:
Ufo::Layering, Utils::Logging, Utils::Pretty
Defined in:
lib/ufo/layering/layer.rb

Instance Method Summary collapse

Methods included from Utils::Pretty

#pretty_home, #pretty_path, #pretty_time

Methods included from Utils::Logging

#logger

Methods included from Ufo::Layering

#layers, #post_layers, #pre_layers

Constructor Details

#initialize(task_definition) ⇒ Layer

Returns a new instance of Layer.



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# File 'lib/ufo/layering/layer.rb', line 21

def initialize(task_definition)
  @task_definition = task_definition
end

Instance Method Details

#add_ext!(paths) ⇒ Object 



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# File 'lib/ufo/layering/layer.rb', line 63

def add_ext!(paths)
  paths.map! do |path|
    path = path.sub(/\/$/,'') if path.ends_with?('/')
    "#{path}.rb"
  end
  paths
end

#layer_levels(prefix = nil) ⇒ Object

adds prefix and to each layer pair that has base and Ufo.env. IE:

"#{prefix}/base"
"#{prefix}/#{Ufo.env}"



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# File 'lib/ufo/layering/layer.rb', line 46

def layer_levels(prefix=nil)
  levels = ["", "base", Ufo.env]
  levels << "#{Ufo.env}-#{Ufo.extra}" if Ufo.extra
  levels.map! do |i|
    # base layer has prefix of '', reject with blank so it doesnt produce '//'
    [prefix, i].reject(&:blank?).join('/')
  end
  levels.map! { |level| level.sub(/\/$/,'') } # strip trailing slash
  # levels.unshift(prefix) # unless prefix.blank? # IE: params/us-west-2.txt
  levels
end

#main_layers ⇒ Object

interface method



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# File 'lib/ufo/layering/layer.rb', line 59

def main_layers
  ['']
end

#paths ⇒ Object 



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# File 'lib/ufo/layering/layer.rb', line 25

def paths
  # core = full_layers(".ufo/vars")
  # app = full_layers(".ufo/vars/#{Ufo.app}")

  core =     layer_levels(".ufo/vars")
  role =     layer_levels(".ufo/vars/#{@task_definition.role}")
  app =      layer_levels(".ufo/vars/#{Ufo.app}")
  app_role = layer_levels(".ufo/vars/#{Ufo.app}/#{@task_definition.role}")

  paths = core + role + app + app_role
  add_ext!(paths)
  paths.map! { |p| "#{Ufo.root}/#{p}" }
  show_layers(paths)
  paths
end

#show_layers(paths) ⇒ Object 



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# File 'lib/ufo/layering/layer.rb', line 71

def show_layers(paths)
  logger.debug "Layers:"
  paths.each do |path|
    if ENV['UFO_LAYERS_ALL']
      logger.info "    #{pretty_path(path)}"
    elsif Ufo.config.layering.show
      logger.info "    #{pretty_path(path)}" if File.exist?(path)
    end
  end
end