Class: SparkleFormation::Translation::Heat

Inherits:
SparkleFormation::Translation show all
Defined in:
lib/sparkle_formation/translation/heat.rb

Overview

Translation for Heat (HOT)

Direct Known Subclasses

Rackspace

Constant Summary collapse

MAP =

Heat translation mapping

{
  :resources => {
    'AWS::EC2::Instance' => {
      :name => 'OS::Nova::Server',
      :finalizer => :nova_server_finalizer,
      :properties => {
        'AvailabilityZone' => 'availability_zone',
        'BlockDeviceMappings' => :nova_server_block_device_mapping,
        'ImageId' => 'image',
        'InstanceType' => 'flavor',
        'KeyName' => 'key_name',
        'NetworkInterfaces' => 'networks',
        'SecurityGroups' => 'security_groups',
        'SecurityGroupIds' => 'security_groups',
        'Tags' => 'metadata',
        'UserData' => :nova_server_user_data
      }
    },
    'AWS::AutoScaling::AutoScalingGroup' => {
      :name => 'OS::Heat::AutoScalingGroup',
      :properties => {
        'Cooldown' => 'cooldown',
        'DesiredCapacity' => 'desired_capacity',
        'MaxSize' => 'max_size',
        'MinSize' => 'min_size',
        'LaunchConfigurationName' => :autoscaling_group_launchconfig
      }
    },
    'AWS::AutoScaling::LaunchConfiguration' => :delete
  }
}

Instance Attribute Summary

Attributes inherited from SparkleFormation::Translation

#logger, #original, #parameters, #template, #translated

Instance Method Summary collapse

Methods inherited from SparkleFormation::Translation

#apply_function, #dereference, #dereference_processor, #format_properties, #initialize, #map, #resource_translation, #translate!, #translate_default, #translate_resources

Methods included from SparkleAttribute

#_cf_attr, #_cf_base64, #_cf_get_azs, #_cf_join, #_cf_map, #_cf_ref, #_cf_select, #_platform=, #debian?, #dynamic!, #registry!, #rhel?

Methods included from Utils::AnimalStrings

#camel, #snake

Constructor Details

This class inherits a constructor from SparkleFormation::Translation

Instance Method Details

#autoscaling_group_launchconfig(value, args = {}) ⇒ Array<String, Object>

TODO:

implement

Custom mapping for ASG launch configuration

Parameters:

  • value (Object) —

    original property value

  • args (Hash) (defaults to: {})

Options Hash (args):

  • :new_resource (Hash)
  • :new_properties (Hash)
  • :original_resource (Hash)

Returns:

  • (Array<String, Object>) —

    name and new value



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# File 'lib/sparkle_formation/translation/heat.rb', line 84

def autoscaling_group_launchconfig(value, args={})
  ['resource', value]
end

#default_key_format(key) ⇒ String

Default keys to snake cased format (underscore)

Parameters:

  • key (String, Symbol)

Returns:

  • (String) 


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# File 'lib/sparkle_formation/translation/heat.rb', line 92

def default_key_format(key)
  snake(key)
end

#nova_server_block_device_mapping(value, args = {}) ⇒ Array<String, Object>

TODO:

implement

Custom mapping for block device

Parameters:

  • value (Object) —

    original property value

  • args (Hash) (defaults to: {})

Options Hash (args):

  • :new_resource (Hash)
  • :new_properties (Hash)
  • :original_resource (Hash)

Returns:

  • (Array<String, Object>) —

    name and new value



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# File 'lib/sparkle_formation/translation/heat.rb', line 15

def nova_server_block_device_mapping(value, args={})
  ['block_device_mapping', value]
end

#nova_server_finalizer(resource_name, new_resource, old_resource) ⇒ Object

Finalizer for the nova server resource. Fixes bug with remotes in metadata

Parameters:

  • resource_name (String)
  • new_resource (Hash)
  • old_resource (Hash)

Returns:

  • (Object) 


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# File 'lib/sparkle_formation/translation/heat.rb', line 40

def nova_server_finalizer(resource_name, new_resource, old_resource)
  if(old_resource['Metadata'])
    new_resource['Metadata'] = old_resource['Metadata']
    proceed = new_resource['Metadata'] &&
      new_resource['Metadata']['AWS::CloudFormation::Init'] &&
      config = new_resource['Metadata']['AWS::CloudFormation::Init']['config']
    if(proceed)
      # NOTE: This is a stupid hack since HOT gives the URL to
      # wget directly and if special characters exist, it fails
      if(files = config['files'])
        files.each do |key, args|
          if(args['source'])
            args['source'].replace("\"#{args['source']}\"")
          end
        end
      end
    end
  end
end

#nova_server_user_data(value, args = {}) ⇒ Array<String, Object>

Custom mapping for server user data

Parameters:

  • value (Object) —

    original property value

  • args (Hash) (defaults to: {})

Options Hash (args):

  • :new_resource (Hash)
  • :new_properties (Hash)
  • :original_resource (Hash)

Returns:

  • (Array<String, Object>) —

    name and new value



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# File 'lib/sparkle_formation/translation/heat.rb', line 27

def nova_server_user_data(value, args={})
  args[:new_properties][:user_data_format] = 'RAW'
  args[:new_properties][:config_drive] = 'true'
  [:user_data, Hash[value.values.first]]
end

#resource_finalizer(resource_name, new_resource, old_resource) ⇒ TrueClass

Finalizer applied to all new resources

Parameters:

  • resource_name (String)
  • new_resource (Hash)
  • old_resource (Hash)

Returns:

  • (TrueClass) 


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# File 'lib/sparkle_formation/translation/heat.rb', line 66

def resource_finalizer(resource_name, new_resource, old_resource)
  %w(DependsOn Metadata).each do |key|
    if(old_resource[key] && !new_resource[key])
      new_resource[key] = old_resource[key]
    end
  end
  true
end