Sample to manage an entire host file on a Windows machine

entire-hosts.pp

class hosts {

  file { 'hosts':
    ensure  => file,
    path    => 'c:/windows/system32/drivers/etc',
    source  => 'puppet:///modules/hosts/hosts',
    notify  => Exec['flush_dns'],
  }

  exec { 'flush_dns':
    command     => 'powershell.exe -executionpolicy unrestricted -Command "C:\windows\system32\ipconfig.exe /flushdns"',
    path        => $::path,
    refreshonly => true,
  }
}