Class: Jets::Cfn::Builders::BaseChildBuilder

Inherits:
Object
  • Object
show all
Includes:
Interface
Defined in:
lib/jets/cfn/builders/base_child_builder.rb

Instance Method Summary collapse

Methods included from Interface

#add_description, #add_output, #add_outputs, #add_parameter, #add_parameters, #add_resource, #add_resources, #add_template_resource, #build, #post_process_template, #template, #text, #write

Constructor Details

#initialize(app_class) ⇒ BaseChildBuilder

The app_class is can be a controller, job or anonymous function class. IE: PostsController, HardJob



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# File 'lib/jets/cfn/builders/base_child_builder.rb', line 14

def initialize(app_class)
  @app_class = app_class
  @template = ActiveSupport::HashWithIndifferentAccess.new(Resources: {})
end

Instance Method Details

#add_class_iam_policy ⇒ Object 



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# File 'lib/jets/cfn/builders/base_child_builder.rb', line 56

def add_class_iam_policy
  return unless @app_class.build_class_iam?

  resource = Jets::Resource::Iam::ClassRole.new(@app_class)
  add_resource(resource)
end

#add_common_parameters ⇒ Object 



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# File 'lib/jets/cfn/builders/base_child_builder.rb', line 24

def add_common_parameters
  common_parameters = Jets::Resource::ChildStack::CommonParameters.common_parameters
  common_parameters.each do |k,_|
    add_parameter(k, Description: k.to_s)
  end

  depends_on_params.each do |output_key, output_value|
    desc = output_value.gsub("!GetAtt ", "") # desc doesnt allow !GetAtt
    add_parameter(output_key, Description: desc)
  end
end

#add_function(task) ⇒ Object 



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# File 'lib/jets/cfn/builders/base_child_builder.rb', line 51

def add_function(task)
  resource = Jets::Resource::Lambda::Function.new(task)
  add_resource(resource)
end

#add_function_iam_policy(task) ⇒ Object 



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# File 'lib/jets/cfn/builders/base_child_builder.rb', line 63

def add_function_iam_policy(task)
  return unless task.build_function_iam?

  resource = Jets::Resource::Iam::FunctionRole.new(task)
  add_resource(resource)
end

#add_functions ⇒ Object 



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# File 'lib/jets/cfn/builders/base_child_builder.rb', line 42

def add_functions
  validate_function_names!
  add_class_iam_policy
  @app_class.tasks.each do |task|
    add_function(task)
    add_function_iam_policy(task)
  end
end

#depends_on_params ⇒ Object 



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# File 'lib/jets/cfn/builders/base_child_builder.rb', line 36

def depends_on_params
  return {} unless @app_class.depends_on
  depends = Jets::Stack::Depends.new(@app_class.depends_on)
  depends.params
end

#template_path ⇒ Object

template_path is an interface method for Interface module



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# File 'lib/jets/cfn/builders/base_child_builder.rb', line 20

def template_path
  Jets::Names.app_template_path(@app_class)
end

#validate_function_names! ⇒ Object 



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# File 'lib/jets/cfn/builders/base_child_builder.rb', line 70

def validate_function_names!
  invalids = @app_class.tasks.reject do |task|
    task.meth.to_s =~ /^[a-zA-Z][a-zA-Z0-9_]/
  end
  return if invalids.empty?
  list = invalids.map do |task|
    "    #{task.class_name}##{task.meth}" # IE: PostsController#index
  end.join("\n")
  puts "ERROR: Detected invalid AWS Lambda function names".color(:red)
  puts <<~EOL
    Lambda function names must start with a letter and can only contain letters, numbers, and underscores.
    Invalid function names:

    #{list}
  EOL
  exit 1
end