modules/bind/manifests/server.pp

node.pp

node 'test.example.com' {
  bind::server { $::fqdn:
    config_file => 'puppet:///path/to/your/custom/config/file.conf',
  }
}

server.pp

define bind::server($config_file='puppet:///modules/bind/etc/bind/named.conf') {
  package { 'bind9': }
  service { 'named':
    require => File['/etc/bind/named.conf'],
    ensure  => running,
    enable  => true,
  }
  file { '/etc/bind/named.conf',
    ensure  => file,
    owner   => 'root',
    group   => 'root',
    mode    => '0444',
    source  => $config_file,
    require => Package['bind9'],
  }
}