Puppet Function: dns_a

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

Overview

dns_a() ⇒ Any

Retrieves DNS A records and returns it as an array. Each record in the array will be a IPv4 address.

Returns:

  • (Any) 


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

newfunction(:dns_a, :type => :rvalue, :arity => 1, :doc => <<-EOS
  Retrieves DNS A records and returns it as an array. Each record in the
  array will be a IPv4 address.
  EOS
) do |arguments|
  require 'resolv'

  ret = Resolv::DNS.new.getresources(arguments[0],Resolv::DNS::Resource::IN::A).collect do |res|
    res.address.to_s
  end
  raise Resolv::ResolvError, "DNS result has no information for #{arguments[0]}" if ret.empty?
  ret
end