Class: Lono::Template::Dsl::Builder::Resource

Inherits:
Base
  • Object
show all
Defined in:
lib/lono/template/dsl/builder/resource.rb,
lib/lono/template/dsl/builder/resource/property_mover.rb

Defined Under Namespace

Classes: PropertyMover

Constant Summary

Constants included from Fn

Fn::FUNCTIONS

Instance Method Summary collapse

Methods inherited from Base

#initialize

Methods included from Helpers::ParamHelper

#conditional_parameter, #normalize_conditional_parameter_options, #optional_ref, #parameter

Methods included from Helpers::CoreHelper

#content, #dimensions, #file_s3_key, #render_file, #render_path, #s3_bucket, #setting, #tag_list, #tags, #user_data

Methods included from Fn

define_methods, #fn, #fn_id, #get_att, #get_azs, included, #join, #ref, #sub

Constructor Details

This class inherits a constructor from Lono::Template::Dsl::Builder::Base

Instance Method Details

#clean(resource) ⇒ Object

Remove properties with nil value automatically



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# File 'lib/lono/template/dsl/builder/resource.rb', line 45

def clean(resource)
  logical_id = resource.keys.first
  attributes = resource[logical_id]
  properties = attributes["Properties"]

  if properties
    properties.delete_if { |k,v| v.nil? }
    resource[logical_id]["Properties"] = properties
  end

  resource
end

#standarize(definition) ⇒ Object

Type is the only required property: amzn.to/2x8W5aD



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# File 'lib/lono/template/dsl/builder/resource.rb', line 12

def standarize(definition)
  first, second, third, _ = definition
  if definition.size == 1 && first.is_a?(Hash) # long form
    first # pass through
  elsif definition.size == 2 && second.is_a?(Hash) # medium form
    logical_id, attributes = first, second
    attributes.delete(:properties) if attributes[:properties].blank?
    attributes.delete("Properties") if attributes["Properties"].blank?
    { logical_id => attributes }
  elsif definition.size == 2 && second.is_a?(String) # short form with no properties
    logical_id, type = first, second
    { logical_id => {
        Type: type
    }}
  elsif definition.size == 3 && (second.is_a?(String) || second.is_a?(NilClass)) # short form
    logical_id, type, properties = first, second, third
    resource = { logical_id => {
                   Type: type
                }}

    attributes = resource.values.first

    property_mover = PropertyMover.new(resource, logical_id, properties)
    property_mover.move!

    attributes["Properties"] = properties unless properties.empty?
    resource
  else # Dont understand this form
    raise "Invalid form provided. definition #{definition.inspect}"
  end
end

#template ⇒ Object 



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# File 'lib/lono/template/dsl/builder/resource.rb', line 7

def template
  camelize(clean(standarize(@definition)))
end