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Puppet::Parser::Functions::newfunction(:fqdn_rand, :type => :rvalue, :doc =>
"Generates random numbers based on the node's fqdn. Generated random values
will be a range from 0 up to and excluding n, where n is the first parameter.
The second argument specifies a number to add to the seed and is optional, for example:
$random_number = fqdn_rand(30)
$random_number_seed = fqdn_rand(30,30)") do |args|
require 'md5'
max = args.shift
srand MD5.new([lookupvar('fqdn'),args].join(':')).to_s.hex
rand(max).to_s
end
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