Puppet Function: dns_ptr

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

Overview

dns_ptr() ⇒ Any

Retrieves DNS PTR records and returns it as an array of strings.

Returns:

  • (Any) 


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# File 'lib/puppet/parser/functions/dns_ptr.rb', line 2

newfunction(:dns_ptr, :type => :rvalue, :arity => 1, :doc => <<-EOS
  Retrieves DNS PTR records and returns it as an array of strings.
  EOS
) do |arguments|
  require 'resolv'

  ret = Resolv::DNS.new.getresources(arguments[0],Resolv::DNS::Resource::IN::PTR).map { |r| r.name.to_s }
  raise Resolv::ResolvError, "DNS result has no information for #{arguments[0]}" if ret.empty?
  ret
end