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# A restricting tag for fact resolution mechanisms. The tag must be true
# for the resolution mechanism to be suitable.
require 'facter/util/values'
class Facter::Util::Confine
attr_accessor :fact, :values
include Facter::Util::Values
# Add the restriction. Requires the fact name, an operator, and the value
# we're comparing to.
def initialize(fact, *values)
raise ArgumentError, "The fact name must be provided" unless fact
raise ArgumentError, "One or more values must be provided" if values.empty?
@fact = fact
@values = values
end
def to_s
return "'%s' '%s'" % [@fact, @values.join(",")]
end
# Evaluate the fact, returning true or false.
def true?
unless fact = Facter[@fact]
Facter.debug "No fact for %s" % @fact
return false
end
value = convert(fact.value)
return false if value.nil?
@values.each do |v|
v = convert(v)
next unless v.class == value.class
return true if value == v
end
return false
end
end
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