Class: Formatron::CloudFormation::Template

Inherits:
Object
  • Object
show all
Defined in:
lib/formatron/cloud_formation/template.rb,
lib/formatron/cloud_formation/template/vpc.rb,
lib/formatron/cloud_formation/template/parameters.rb,
lib/formatron/cloud_formation/template/vpc/subnet.rb,
lib/formatron/cloud_formation/template/vpc/subnet/acl.rb,
lib/formatron/cloud_formation/template/vpc/subnet/nat.rb,
lib/formatron/cloud_formation/template/vpc/subnet/bastion.rb,
lib/formatron/cloud_formation/template/vpc/subnet/instance.rb,
lib/formatron/cloud_formation/template/vpc/subnet/chef_server.rb,
lib/formatron/cloud_formation/template/vpc/subnet/instance/setup.rb,
lib/formatron/cloud_formation/template/vpc/subnet/instance/policy.rb,
lib/formatron/cloud_formation/template/vpc/subnet/instance/block_devices.rb,
lib/formatron/cloud_formation/template/vpc/subnet/instance/security_group.rb

Overview

generates a CloudFormation template

Defined Under Namespace

Classes: Parameters, VPC

Constant Summary collapse

REGION_MAP = 
'regionMap'

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(formatron:, external:, hosted_zone_name:, key_pair:, kms_key:, hosted_zone_id:, target:) ⇒ Template

rubocop:disable Metrics/MethodLength rubocop:disable Metrics/ParameterLists



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# File 'lib/formatron/cloud_formation/template.rb', line 13

def initialize(
  formatron:,
  external:,
  hosted_zone_name:,
  key_pair:,
  kms_key:,
  hosted_zone_id:,
  target:
)
  @formatron = formatron
  @external = external
  @external_formatron = external.formatron
  @external_outputs = external.outputs
  @hosted_zone_name = hosted_zone_name
  @key_pair = key_pair
  @kms_key = kms_key
  @hosted_zone_id = hosted_zone_id
  @bucket = formatron.bucket
  @name = formatron.name
  @target = target
end

Class Method Details

.base_64(value) ⇒ Object 



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# File 'lib/formatron/cloud_formation/template.rb', line 95

def self.base_64(value)
  {
    'Fn::Base64' => value
  }
end

.find_in_map(map, key, property) ⇒ Object 



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# File 'lib/formatron/cloud_formation/template.rb', line 85

def self.find_in_map(map, key, property)
  {
    'Fn::FindInMap' => [
      map,
      key,
      property
    ]
  }
end

.get_attribute(resource, attribute) ⇒ Object 



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# File 'lib/formatron/cloud_formation/template.rb', line 101

def self.get_attribute(resource, attribute)
  {
    'Fn::GetAtt' => [resource, attribute]
  }
end

.join(*items) ⇒ Object 



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# File 'lib/formatron/cloud_formation/template.rb', line 77

def self.join(*items)
  {
    'Fn::Join' => [
      '', items
    ]
  }
end

.output(value) ⇒ Object 



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# File 'lib/formatron/cloud_formation/template.rb', line 107

def self.output(value)
  {
    Value: value
  }
end

.ref(logical_id) ⇒ Object

rubocop:enable Metrics/MethodLength



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# File 'lib/formatron/cloud_formation/template.rb', line 71

def self.ref(logical_id)
  {
    Ref: logical_id
  }
end

Instance Method Details

#hash ⇒ Object

rubocop:disable Metrics/MethodLength



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# File 'lib/formatron/cloud_formation/template.rb', line 38

def hash
  resources = {}
  outputs = {}
  parameters = {}
  @formatron.vpc.each do |key, vpc|
    template_vpc = VPC.new(
      vpc: vpc,
      external: @external_formatron.vpc[key],
      hosted_zone_name: @hosted_zone_name,
      key_pair: @key_pair,
      kms_key: @kms_key,
      hosted_zone_id: @hosted_zone_id,
      bucket: @bucket,
      name: @name,
      target: @target
    )
    template_vpc.merge resources: resources, outputs: outputs
  end
  template_parameters = Parameters.new keys: @external_outputs.hash.keys
  template_parameters.merge parameters: parameters
  {
    AWSTemplateFormatVersion: '2010-09-09',
    Description: "Formatron stack: #{@formatron.name}",
    Mappings: {
      REGION_MAP => AWS::REGIONS
    },
    Parameters: parameters,
    Resources: resources,
    Outputs: outputs
  }
end