docs: def set_ntp_servers(primary_server=None, secondary_server=None, deploy=False):
      '''
      Set the NTP servers of the Palo Alto proxy minion. A commit will be required before this is processed.
  
      CLI Example:
  
      Args:
          primary_server(str): The primary NTP server IP address or FQDN.
  
          secondary_server(str): The secondary NTP server IP address or FQDN.
  
          deploy (bool): If true then commit the full candidate configuration, if false only set pending change.
  
      .. code-block:: bash
  
          salt '*' ntp.set_servers 0.pool.ntp.org 1.pool.ntp.org
          salt '*' ntp.set_servers primary_server=0.pool.ntp.org secondary_server=1.pool.ntp.org
          salt '*' ntp.ser_servers 0.pool.ntp.org 1.pool.ntp.org deploy=True
  
      '''
      ret = {}
  
      if primary_server:
          query = {'type': 'config',
                   'action': 'set',
                   'xpath': '/config/devices/entry[@name=\'localhost.localdomain\']/deviceconfig/system/ntp-servers/'
                            'primary-ntp-server',
                   'element': '<ntp-server-address>{0}</ntp-server-address>'.format(primary_server)}
          ret.update({'primary_server': __proxy__['panos.call'](query)})
  
      if secondary_server:
          query = {'type': 'config',
                   'action': 'set',
                   'xpath': '/config/devices/entry[@name=\'localhost.localdomain\']/deviceconfig/system/ntp-servers/'
                            'secondary-ntp-server',
                   'element': '<ntp-server-address>{0}</ntp-server-address>'.format(secondary_server)}
          ret.update({'secondary_server': __proxy__['panos.call'](query)})
  
      if deploy is True:
          ret.update(commit())
  
      return ret