Class: Facter::OsHierarchy

Inherits:
Object
  • Object
show all
Defined in:
lib/facter/framework/detector/os_hierarchy.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ OsHierarchy

Returns a new instance of OsHierarchy.



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# File 'lib/facter/framework/detector/os_hierarchy.rb', line 5

def initialize
  @log = Log.new(self)
  json_file_path = File.join(File.dirname(__FILE__), '../../os_hierarchy.json')
  json_file = Util::FileHelper.safe_read(json_file_path)
  begin
    @json_os_hierarchy = JSON.parse(json_file)
  rescue JSON::ParserError => _e
    @log.error('Could not parse os_hierarchy json')
  end
end

Instance Method Details

#construct_hierarchy(searched_os) ⇒ Object 



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# File 'lib/facter/framework/detector/os_hierarchy.rb', line 16

def construct_hierarchy(searched_os)
  return [] if searched_os.nil?

  searched_os = searched_os.to_s.capitalize
  if @json_os_hierarchy.nil?
    @log.debug("There is no os_hierarchy, will fall back to: #{searched_os}")
    return [searched_os]
  end

  @searched_path = []
  search(@json_os_hierarchy, searched_os, [])

  @searched_path.map { |os_name| os_name.to_s.capitalize }
end