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require 'ipaddr'
# Custom function to convert an IP4/6 address from a string to the
# erlang inet kernel format.
# For example from "172.17.0.16" to {172,17,0,16}
# See http://erlang.org/doc/man/kernel_app.html and http://erlang.org/doc/man/inet.html
# for more information.
module Puppet::Parser::Functions
newfunction(:ip_to_erl_format, :type => :rvalue, :doc => "Convert an IP address to the erlang inet format.") do |arg|
if arg[0].class != String
raise Puppet::ParseError, "Syntax error: #{arg[0]} must be a String"
end
ip = IPAddr.new arg[0]
output = '{'
if ip.ipv6?
split_char = ':'
base = 16
else
split_char = '.'
base = 10
end
# to_string() prints the canonicalized form
ip.to_string().split(split_char).each {
|x| output += x.to_i(base).to_s + ','
}
# Remove the last spurious comma
output = output.chomp(',')
output += '}'
return output
end
end
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