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|
#
# fact.rb
#
module Puppet::Parser::Functions
newfunction(:fact, :type => :rvalue, :doc => <<-EOS
EOS
) do |arguments|
raise(Puppet::ParseError, "fact(): Wrong number of arguments " +
"given (#{arguments.size} for 1)") if arguments.size < 1
fact = arguments[0]
raise(Puppet::ParseError, 'fact(): You must provide ' +
'fact name') if fact.empty?
fact = strinterp(fact) # Evaluate any interpolated variable names ...
result = lookupvar(fact) # Get the value of interest from Facter ...
#
# Now this is a funny one ... Puppet does not have a concept of
# returning neither undef nor nil back for use within the Puppet DSL
# and empty string is as closest to actual undef as you we can get
# at this point in time ...
#
result = (result and not result.empty?) ? result : ''
return result
end
end
# vim: set ts=2 sw=2 et :
|
