Puppet 4+ snippets

ip_addresses.pp

$facts['networking']['interfaces'].each() |$name, $values| {
  $bindings = $values.filter |$key,$value| {
    $key =~ /^bindings6?$/
  }
  $bindings.each |$bindingtype,$addresses| {
    $addresses.each |$value| {
      notice( "${name} with ip ${value['address']}" )
    }
  }
}