Add the restriction. Requires the fact name, an operator, and the value we're comparing to.
@param fact [Symbol] Name of the fact @param values [Array] One or more values to match against.
They can be any type that provides a === method.
@param block [Proc] Alternatively a block can be supplied as a check. The fact
value will be passed as the argument to the block. If the block returns true then the fact will be enabled, otherwise it will be disabled.
# File lib/facter/util/confine.rb, line 20 def initialize(fact = nil, *values, &block) raise ArgumentError, "The fact name must be provided" unless fact or block_given? if values.empty? and not block_given? raise ArgumentError, "One or more values or a block must be provided" end @fact = fact @values = values @block = block end
# File lib/facter/util/confine.rb, line 30 def to_s return @block.to_s if @block return "'%s' '%s'" % [@fact, @values.join(",")] end
Evaluate the fact, returning true or false. if we have a block paramter then we only evaluate that instead
# File lib/facter/util/confine.rb, line 37 def true? if @block and not @fact then begin return !! @block.call rescue StandardError => error Facter.debug "Confine raised #{error.class} #{error}" return false end end unless fact = Facter[@fact] Facter.debug "No fact for %s" % @fact return false end value = convert(fact.value) return false if value.nil? if @block then begin return !! @block.call(value) rescue StandardError => error Facter.debug "Confine raised #{error.class} #{error}" return false end end return @values.any? do |v| convert(v) === value end end