Class: Lono::Template::Strategy::Dsl::Builder::Section::Parameter

Inherits:
Base
  • Object
show all
Defined in:
lib/lono/template/strategy/dsl/builder/section/parameter.rb

Constant Summary

Constants included from Fn

Fn::FUNCTIONS

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#initialize

Methods included from Lono::Template::Strategy::Dsl::Builder::Stringify

#stringify!

Methods included from Common::Helpers

#extract_scripts, #scripts_name, #scripts_s3_path, #setting

Methods included from Fn

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

Constructor Details

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

Instance Attribute Details

#conditional ⇒ Object (readonly)

Returns the value of attribute conditional.



8
9
10
 
# File 'lib/lono/template/strategy/dsl/builder/section/parameter.rb', line 8

def conditional
  @conditional
end

#group_label ⇒ Object

Returns the value of attribute group_label.



7
8
9
 
# File 'lib/lono/template/strategy/dsl/builder/section/parameter.rb', line 7

def group_label
  @group_label
end

#label ⇒ Object (readonly)

Returns the value of attribute label.



8
9
10
 
# File 'lib/lono/template/strategy/dsl/builder/section/parameter.rb', line 8

def label
  @label
end

Instance Method Details

#add_required(attributes) ⇒ Object 



36
37
38
39
40
 
# File 'lib/lono/template/strategy/dsl/builder/section/parameter.rb', line 36

def add_required(attributes)
  properties = attributes.values.first
  properties["Type"] ||= 'String'
  attributes
end

#name ⇒ Object 



65
66
67
 
# File 'lib/lono/template/strategy/dsl/builder/section/parameter.rb', line 65

def name
  template.keys.first # logical_id or name
end

#standarize(definition) ⇒ Object

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



15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
 
# File 'lib/lono/template/strategy/dsl/builder/section/parameter.rb', line 15

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 - 1
    logical_id, properties = first, second
    { logical_id => properties }
  elsif definition.size == 3 && !second.is_a?(Hash) && third.is_a?(Hash) # medium form variant - 2
    third[:Default] = second # probably a String, Integer, or Float
    logical_id, properties = first, third
    { logical_id => properties }
  elsif (definition.size == 2 && valid_value?(second)) || # short form
        definition.size == 1
    logical_id = first
    properties = valid_value?(second) ? { Default: second } : {}
    { logical_id => properties }
  else # I dont know what form
    raise "Invalid form provided. definition #{definition.inspect}"
  end
end

#template ⇒ Object 



10
11
12
 
# File 'lib/lono/template/strategy/dsl/builder/section/parameter.rb', line 10

def template
  camelize(add_required(track_label(track_conditional(standarize(@definition)))))
end

#track_conditional(attributes) ⇒ Object 



46
47
48
49
50
51
52
53
54
55
56
 
# File 'lib/lono/template/strategy/dsl/builder/section/parameter.rb', line 46

def track_conditional(attributes)
  properties = attributes.values.first
  @conditional ||= properties[:Conditional] # flag for later
  properties.delete(:Conditional) # remove property, it's not a real property, used to flag conditional parameters
  # Ensure default
  if @conditional
    defaults = { Default: "" }
    properties.reverse_merge!(defaults)
  end
  attributes
end

#track_label(attributes) ⇒ Object 



58
59
60
61
62
63
 
# File 'lib/lono/template/strategy/dsl/builder/section/parameter.rb', line 58

def track_label(attributes)
  properties = attributes.values.first
  @label ||= properties[:Label] # flag for later
  properties.delete(:Label) # remove property, it's not a real property, used to build metadata interface
  attributes
end

#valid_value?(o) ⇒ Boolean

Returns:

  • (Boolean) 


42
43
44
 
# File 'lib/lono/template/strategy/dsl/builder/section/parameter.rb', line 42

def valid_value?(o)
  o.is_a?(Float) || o.is_a?(Integer) || o.is_a?(String) || o.is_a?(TrueClass) || o.is_a?(FalseClass)
end