Puppet Function: enclose_ipv6

Defined in:
puppet/modules/stdlib/lib/puppet/parser/functions/enclose_ipv6.rb
Function type:
Ruby 3.x API

Overview

enclose_ipv6() ⇒ Any

Takes an array of ip addresses and encloses the ipv6 addresses with square brackets.

Returns:

  • (Any) 


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# File 'puppet/modules/stdlib/lib/puppet/parser/functions/enclose_ipv6.rb', line 6

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