class StackMaster::ParameterLoader

Constants

COMPILE_TIME_PARAMETERS_KEY

Public Class Methods

load(parameter_files: [], parameters: {}) click to toggle source
# File lib/stack_master/parameter_loader.rb, line 8
def self.load(parameter_files: [], parameters: {})
  StackMaster.debug 'Searching for parameter files...'
  all_parameters = parameter_files.map { |file_name| load_parameters(file_name) } + [parameters]
  all_parameters.reduce({template_parameters: {}, compile_time_parameters: {}}) do |hash, parameters|
    template_parameters = create_template_parameters(parameters)
    compile_time_parameters = create_compile_time_parameters(parameters)

    merge_and_camelize(hash[:template_parameters], template_parameters)
    merge_and_camelize(hash[:compile_time_parameters], compile_time_parameters)
    hash
  end
end

Private Class Methods

create_compile_time_parameters(parameters) click to toggle source
# File lib/stack_master/parameter_loader.rb, line 39
def self.create_compile_time_parameters(parameters)
  (parameters[COMPILE_TIME_PARAMETERS_KEY] || parameters[COMPILE_TIME_PARAMETERS_KEY.camelize] || {}).deep_dup
end
create_template_parameters(parameters) click to toggle source
# File lib/stack_master/parameter_loader.rb, line 33
def self.create_template_parameters(parameters)
  parameters.deep_dup.tap do |parameters_clone|
    parameters_clone.delete(COMPILE_TIME_PARAMETERS_KEY) || parameters_clone.delete(COMPILE_TIME_PARAMETERS_KEY.camelize)
  end
end
load_file(file_name) click to toggle source
# File lib/stack_master/parameter_loader.rb, line 29
def self.load_file(file_name)
  YAML.load(File.read(file_name)) || {}
end
load_parameters(file_name) click to toggle source
# File lib/stack_master/parameter_loader.rb, line 23
def self.load_parameters(file_name)
  file_exists = File.exists?(file_name)
  StackMaster.debug file_exists ? "  #{file_name} found" : "  #{file_name} not found"
  file_exists ? load_file(file_name) : {}
end
merge_and_camelize(hash, parameters) click to toggle source
# File lib/stack_master/parameter_loader.rb, line 43
def self.merge_and_camelize(hash, parameters)
  parameters.each { |key, value| hash[key.camelize] = value }
end