Class: Jets::Resource::ChildStack::AppClass

Inherits:
Base
  • Object
show all
Defined in:
lib/jets/resource/child_stack/app_class.rb

Direct Known Subclasses

Shared

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#outputs, #template_url

Methods inherited from Base

#replacements, #resource

Constructor Details

#initialize(s3_bucket, options = {}) ⇒ AppClass

Returns a new instance of AppClass.



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# File 'lib/jets/resource/child_stack/app_class.rb', line 8

def initialize(s3_bucket, options={})
  super
  @path = options[:path]
end

Class Method Details

.common_parameters ⇒ Object 



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# File 'lib/jets/resource/child_stack/app_class.rb', line 59

def self.common_parameters
  parameters = {
    IamRole: "!GetAtt IamRole.Arn",
    S3Bucket: "!Ref S3Bucket",
  }
  parameters[:GemLayer] = "!Ref GemLayer" unless Jets.poly_only?
  parameters
end

Instance Method Details

#app_logical_id ⇒ Object

map the path to a camelized logical_id. Example:

/tmp/jets/demo/templates/demo-dev-2-posts_controller.yml to
PostsController



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# File 'lib/jets/resource/child_stack/app_class.rb', line 102

def app_logical_id
  regexp = Regexp.new(".*#{Jets.config.project_namespace}-app-")
  controller_name = @path.sub(regexp, '').sub('.yml', '')
  controller_name.underscore.camelize
end

#controller? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jets/resource/child_stack/app_class.rb', line 81

def controller?
  @path.include?('_controller.yml')
end

#controller_params ⇒ Object 



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# File 'lib/jets/resource/child_stack/app_class.rb', line 68

def controller_params
  return {} if Jets::Router.routes.empty?

  params = {
    RestApi: "!GetAtt ApiGateway.Outputs.RestApi",
  }
  scoped_routes.each do |route|
    resource = Jets::Resource::ApiGateway::Resource.new(route.path)
    params[resource.logical_id] = "!GetAtt ApiGateway.Outputs.#{resource.logical_id}"
  end
  params
end

#current_app_class ⇒ Object 



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# File 'lib/jets/resource/child_stack/app_class.rb', line 91

def current_app_class
  templates_prefix = "#{Jets::Naming.template_path_prefix}-app-"
  @path.sub(templates_prefix, '')
    .sub(/\.yml$/,'')
    .gsub('-','/')
    .classify
end

#definition ⇒ Object 



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# File 'lib/jets/resource/child_stack/app_class.rb', line 13

def definition
  logical_id = app_logical_id
  defintion = {
    logical_id => {
      type: "AWS::CloudFormation::Stack",
      properties: {
        template_url: template_url,
        parameters: parameters,
      }
    }
  }
  defintion[logical_id][:depends_on] = depends_on if depends_on
  defintion
end

#dependency_outputs(dependency) ⇒ Object 



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# File 'lib/jets/resource/child_stack/app_class.rb', line 48

def dependency_outputs(dependency)
  dependency.to_s.classify.constantize.output_keys
end

#depends_on ⇒ Object 



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# File 'lib/jets/resource/child_stack/app_class.rb', line 28

def depends_on
  klass = current_app_class.constantize
  return unless klass.depends_on

  klass.depends_on.map do |shared_stack|
    shared_stack.to_s.camelize # logical_id
  end
end

#depends_on_params ⇒ Object 



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# File 'lib/jets/resource/child_stack/app_class.rb', line 37

def depends_on_params
  params = {}
  depends_on.each do |dependency|
    dependency_outputs(dependency).each do |output|
      dependency_class = dependency.to_s.classify
      params[output] = "!GetAtt #{dependency_class}.Outputs.#{output}"
    end
  end
  params
end

#parameters ⇒ Object 



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# File 'lib/jets/resource/child_stack/app_class.rb', line 52

def parameters
  common = self.class.common_parameters
  common.merge!(controller_params) if controller?
  common.merge!(depends_on_params) if depends_on
  common
end

#scoped_routes ⇒ Object 



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# File 'lib/jets/resource/child_stack/app_class.rb', line 85

def scoped_routes
  @routes ||= Jets::Router.routes.select do |route|
    route.controller_name == current_app_class
  end
end

#template_filename ⇒ Object 



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# File 'lib/jets/resource/child_stack/app_class.rb', line 108

def template_filename
  @path
end