Class: Lono::Template::Strategy::Dsl::Finalizer::ParameterGroups

Inherits:
Object
  • Object
show all
Extended by:
Memoist
Includes:
Builder::Stringify
Defined in:
lib/lono/template/strategy/dsl/finalizer/parameter_groups.rb

Instance Method Summary collapse

Methods included from Builder::Stringify

#stringify!

Constructor Details

#initialize(cfn, parameters) ⇒ ParameterGroups

Returns a new instance of ParameterGroups.



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# File 'lib/lono/template/strategy/dsl/finalizer/parameter_groups.rb', line 6

def initialize(cfn, parameters)
  @cfn, @parameters = cfn, parameters
end

Instance Method Details

#interface ⇒ Object 



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# File 'lib/lono/template/strategy/dsl/finalizer/parameter_groups.rb', line 17

def interface
  interface = {}
  parameter_groups.each do |group_label, parameters|
    group = {
      Label: { default: group_label},
      Parameters: parameters,
    }
    interface[:ParameterGroups] ||= []
    interface[:ParameterGroups] << group
  end
  parameter_labels.each do |name, label|
    l = { name => { default: label } }
    interface[:ParameterLabels] ||= {}
    interface[:ParameterLabels].merge!(l)
  end
  interface
end

#parameter_groups ⇒ Object 



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# File 'lib/lono/template/strategy/dsl/finalizer/parameter_groups.rb', line 35

def parameter_groups
  parameter_groups = {}
  @parameters.each do |p|
    next unless p.group_label
    parameter_groups[p.group_label] ||= []
    parameter_groups[p.group_label] << p.name
  end
  parameter_groups
end

#parameter_labels ⇒ Object 



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# File 'lib/lono/template/strategy/dsl/finalizer/parameter_groups.rb', line 46

def parameter_labels
  parameter_labels = {}
  @parameters.each do |p|
    next unless p.label
    parameter_labels[p.name] = p.label
  end
  parameter_labels
end

#run ⇒ Object 



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# File 'lib/lono/template/strategy/dsl/finalizer/parameter_groups.rb', line 10

def run
  return @cfn if parameter_groups.empty?
  @cfn["Metadata"] ||= {}
  @cfn["Metadata"]["AWS::CloudFormation::Interface"] = stringify!(interface)
  @cfn
end