Manage which facts exist and how we access them. Largely just a wrapper around a hash of facts.
Return a fact object by name. If you use this, you still have to call 'value' on it to retrieve the actual value.
# File lib/facter/util/collection.rb, line 10 def [](name) value(name) end
Add a resolution mechanism for a named fact. This does not distinguish between adding a new fact and adding a new way to resolve a fact.
# File lib/facter/util/collection.rb, line 16 def add(name, options = {}, &block) name = canonize(name) unless fact = @facts[name] fact = Facter::Util::Fact.new(name) @facts[name] = fact end # Set any fact-appropriate options. options.each do |opt, value| method = opt.to_s + "=" if fact.respond_to?(method) fact.send(method, value) options.delete(opt) end end if block_given? and resolve = fact.add(&block) # If the resolve was actually added, set any resolve-appropriate options options.each do |opt, value| method = opt.to_s + "=" if resolve.respond_to?(method) resolve.send(method, value) options.delete(opt) end end end unless options.empty? raise ArgumentError, "Invalid facter option(s) %s" % options.keys.collect { |k| k.to_s }.join(",") end return fact end
Iterate across all of the facts.
# File lib/facter/util/collection.rb, line 55 def each @facts.each do |name, fact| value = fact.value unless value.nil? yield name.to_s, value end end end
Return a fact by name.
# File lib/facter/util/collection.rb, line 65 def fact(name) name = canonize(name) # Try to load the fact if necessary loader.load(name) unless @facts[name] # Try HARDER loader.load_all unless @facts[name] @facts[name] end
Flush all cached values.
# File lib/facter/util/collection.rb, line 78 def flush @facts.each { |name, fact| fact.flush } end
Return a list of all of the facts.
# File lib/facter/util/collection.rb, line 87 def list return @facts.keys end
Load all known facts.
# File lib/facter/util/collection.rb, line 92 def load_all loader.load_all end
The thing that loads facts if we don't have them.
# File lib/facter/util/collection.rb, line 97 def loader unless defined?(@loader) @loader = Facter::Util::Loader.new end @loader end
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