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#
# enclose_ipv6.rb
#
module Puppet::Parser::Functions
newfunction(:enclose_ipv6, :type => :rvalue, :doc => <<-EOS
Takes an array of ip addresses and encloses the ipv6 addresses with square brackets.
EOS
) do |arguments|
require 'ipaddr'
rescuable_exceptions = [ ArgumentError ]
if defined?(IPAddr::InvalidAddressError)
rescuable_exceptions << IPAddr::InvalidAddressError
end
if (arguments.size != 1) then
raise(Puppet::ParseError, "enclose_ipv6(): Wrong number of arguments "+
"given #{arguments.size} for 1")
end
unless arguments[0].is_a?(String) or arguments[0].is_a?(Array) then
raise(Puppet::ParseError, "enclose_ipv6(): Wrong argument type "+
"given #{arguments[0].class} expected String or Array")
end
input = [arguments[0]].flatten.compact
result = []
input.each do |val|
unless val == '*'
begin
ip = IPAddr.new(val)
rescue *rescuable_exceptions
raise(Puppet::ParseError, "enclose_ipv6(): Wrong argument "+
"given #{val} is not an ip address.")
end
val = "[#{ip.to_s}]" if ip.ipv6?
end
result << val
end
return result.uniq
end
end
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