user.pp

node 'panera.example.com' {
  $sudogroup = 'wheel'

  user { 'baked':
    name    => 'Baked Pumpernickel',
    uid    => '1000',
    gid    => 'users',
    groups    => [ $sudogroup, 'puppet' ],
    shell    => '/bin/bash',
    password  => '$6$dJGfA238999hashthisstuff33deafcows7',
  }
}

define user_with_sudo( $uid => undef, ... ) {
$sudogroup = 'wheel'
user { $name: uid => $uid, ... }
}

create_resources("user_with_sudo", hiera("my_hash_with_users")