Method: Origen::SiteConfig::Config#load

Defined in:
lib/origen/site_config/config.rb

#load ⇒ Object

Loads the site config into memory. Process the site config as an ERB, if indicated to do so (.erb file extension) After the initial load, any centralized site configs will be retreived (if needed), cached, and loaded.



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# File 'lib/origen/site_config/config.rb', line 122

def load
  def read_erb(erb)
    ERB.new(File.read(erb), 0, '%<>')
  end

  # YAML.safe_load is prefered
  # rubocop:disable Security/YAMLLoad
  if centralized?
    if !cached?
      if fetch
        erb = read_erb(cached_file)
      else
        # There was a problem fetching the config. Just use an empty string.
        # Warning message will come from #fetch
        erb = ERB.new('')
      end
    else
      erb = read_erb(cached_file)
    end

    @values = (YAML.load(erb.result) || {})
  else
    if File.extname(path) == '.erb'
      erb = read_erb(path)
      @values = (YAML.load(erb.result) || {})
    else
      @values = (YAML.load_file(path) || {})
    end
  end
  # rubocop:enable Security/YAMLLoad

  unless @values.is_a?(Hash)
    puts red("Origen: Site Config: The config at #{path} was not parsed as a Hash, but as a #{@values.class}")
    puts red('                     Please review the format of the this file.')
    puts red('                     Alternatively, an error condition may have been received from the server.')
    puts red("                     This site config is available at: #{cached_file}")
    puts red('                     This config will not be loaded and will be replaced with an empty config.')
    puts
    @values = {}
  end

  if centralized?
    # check for restricted centralized config values
    RESTRICTED_FROM_CENTRALIZED_VARIABLES.each do |var|
      if @values.key?(var)
        val = @values.delete(var)
        puts red("Origen: Site Config: config variable #{var} is not allowed in the centralized site config and will be removed.")
        puts red("                     Value #{val} will not be applied!")
      end
    end
  end

  @loaded = true
  @values
end