Module: CfnDsl::CloudFormation

Includes:
Functions
Defined in:
lib/cfndsl/cloudformation.rb

Overview

Syntactic Sugar for embedded ruby usage require cfndsl

class Builder include CfnDsl::CloudFormation

def build_template()
  template = CloudFormation('ANewTemplate')
  a_param = template.Parameter('AParam')
  a_param.Type('String')
  return template
end

def map_instance_type(instance_type)
 # logic to auto convert instance types to latest available etc..
 FnFindInMap("InstanceTypeConversion",Ref('AWS::Region'),instance_type)
end

# templates can be passed around to other methods/classes
def add_instance(template, instance_type)
 ec2 = template.EC2_Instance(:myInstance)
 ec2.InstanceType(map_instance_type(instance_type))
 # Alteratively with DSL block syntax
 this = self  # declare block is eval for the model instance so need to keep a reference
 template.declare do
   EC2_Instance(:myInstance) do
      InstanceType this.map_instance_type(instance_type)
   end
 end
end

def generate(template,pretty: false)
 valid = template.validate
 pretty ? valid.to_json : JSON.pretty_generate(valid)
end

end

Constant Summary

Constants included from Functions

Functions::FN_SUB_SCANNER

Instance Method Summary collapse

Methods included from Functions

#FnAnd, #FnBase64, #FnCidr, #FnEquals, #FnFindInMap, #FnGetAZs, #FnGetAtt, #FnIf, #FnImportValue, #FnJoin, #FnNot, #FnOr, #FnSelect, #FnSplit, #FnSub, #Ref

Instance Method Details

#CloudFormation(description = nil, &block) ⇒ Object 



104
105
106
 
# File 'lib/cfndsl/cloudformation.rb', line 104

def CloudFormation(description = nil, &block)
  CloudFormationTemplate.new(description, &block)
end