Class: Facter::Util::DirectoryLoader

Inherits:
Object
  • Object
show all
Defined in:
lib/facter/util/directory_loader.rb

Defined Under Namespace

Classes: NoSuchDirectoryError

Constant Summary collapse

EXTERNAL_FACT_WEIGHT =

This value makes it highly likely that external facts will take precedence over all other facts

10000

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(dir) ⇒ DirectoryLoader

Returns a new instance of DirectoryLoader.



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# File 'lib/facter/util/directory_loader.rb', line 33

def initialize(dir)
  @directory = dir
end

Instance Attribute Details

#directory ⇒ Object (readonly)

Directory for fact loading



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# File 'lib/facter/util/directory_loader.rb', line 31

def directory
  @directory
end

Class Method Details

.default_loader ⇒ Object 



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# File 'lib/facter/util/directory_loader.rb', line 45

def self.default_loader
  loaders = Facter::Util::Config.external_facts_dirs.collect do |dir|
    Facter::Util::DirectoryLoader.new(dir)
  end
  Facter::Util::CompositeLoader.new(loaders)
end

.loader_for(dir) ⇒ Object 



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# File 'lib/facter/util/directory_loader.rb', line 37

def self.loader_for(dir)
  if File.directory?(dir)
    Facter::Util::DirectoryLoader.new(dir)
  else
    raise NoSuchDirectoryError
  end
end

Instance Method Details

#load(collection) ⇒ Object

Load facts from files in fact directory using the relevant parser classes to parse them.



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# File 'lib/facter/util/directory_loader.rb', line 54

def load(collection)
  entries.each do |file|
    parser = Facter::Util::Parser.parser_for(file)
    if parser == nil
      next
    end

    data = parser.results
    if data == false
      Facter.warn "Could not interpret fact file #{file}"
    elsif data == {} or data == nil
      Facter.warn "Fact file #{file} was parsed but returned an empty data set"
    else
      data.each { |p,v| collection.add(p, :value => v) { has_weight(EXTERNAL_FACT_WEIGHT) } }
    end
  end
end