hash_join_dnsmasq

gistfile1.rb

# Put in $module/lib/puppet/parser/functions/hash_join_dnsmasq.rb
module Puppet::Parser::Functions
  newfunction(:hash_join_dnsmasq, :type => :rvalue, :arity => 2, :doc => <<-EOS
      Take hash and string, join them for dnsmasq.
    EOS
  ) do |arguments|
 
    hash      = arguments[0]
    ip        = arguments[1]
  
    array = hash.map { |key, value| "#{key}/#{value}" }

    array.zip(array.count.times.map { ip }).map { |el| el.join(',')}.join(',')
  end
end