Class: CloudFormer::Template

Inherits:
Object
  • Object
show all
Defined in:
lib/cloud_former/template.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Template

Returns a new instance of Template.



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# File 'lib/cloud_former/template.rb', line 4

def initialize
  @resources = []
  @parameters = []
  @outputs = []
  @conditions = []
  @mappings = {}
end

Instance Method Details

#add_condition(condition) ⇒ Object 



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# File 'lib/cloud_former/template.rb', line 32

def add_condition(condition)
  @conditions << condition
end

#add_mapping(name, hash) ⇒ Object 



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# File 'lib/cloud_former/template.rb', line 40

def add_mapping(name, hash)
  @mappings[name] = hash
end

#add_output(key, value) ⇒ Object 



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# File 'lib/cloud_former/template.rb', line 28

def add_output(key, value)
  @outputs << [key, value]
end

#add_parameter(parameter) ⇒ Object 



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# File 'lib/cloud_former/template.rb', line 12

def add_parameter(parameter)
  @parameters << parameter
end

#add_resource(resource) ⇒ Object 



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# File 'lib/cloud_former/template.rb', line 20

def add_resource(resource)
  @resources << resource
end

#condition(name) ⇒ Object 



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# File 'lib/cloud_former/template.rb', line 36

def condition(name)
  @conditions.find { |c| c.get_name == name }
end

#dump_json ⇒ Object 



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# File 'lib/cloud_former/template.rb', line 44

def dump_json
  res = { 'AWSTemplateFormatVersion' => '2010-09-09' }

  if @parameters.any?
    parameter_res = {}
    @parameters.each do |param|
      parameter_res[param.get_name] = param.dump_json
    end
    res['Parameters'] = parameter_res
  end

  if @conditions.any?
    condition_res = {}
    @conditions.each do |condition|
      condition_res[condition.get_name] = condition.dump_json
    end
    res['Conditions'] = condition_res
  end

  if @mappings.any?
    res['Mappings'] = @mappings
  end

  if @resources.any?
    resource_res = {}
    @resources.each do |resource|
      resource.resource_tree.flatten.each do |r|
        resource_res[r.get_name] = r.dump_json
      end
    end
    res['Resources'] = resource_res
  end

  if @outputs.any?
    output_res = {}
    @outputs.each do |output|
      if output[1].is_a?(Resource) || output[1].is_a?(Parameter)
        output_res[output[0]] = { 'Value' => { 'Ref' => output[1].get_name } }
      elsif output[1].is_a?(Function)
        output_res[output[0]] = { 'Value' => output[1].dump_json }
      else
        output_res[output[0]] = { 'Value' => output[1] }
      end
    end
    res['Outputs'] = output_res
  end

  res
end

#parameter(name) ⇒ Object 



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# File 'lib/cloud_former/template.rb', line 16

def parameter(name)
  @parameters.find { |p| p.get_name == name }
end

#resource(name) ⇒ Object 



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# File 'lib/cloud_former/template.rb', line 24

def resource(name)
  @resources.find { |r| r.get_name == name }
end