code: def reload(self, hardware_id, post_uri=None, ssh_keys=None):
          
  
          config = {}
  
          if post_uri:
              config['customProvisionScriptUri'] = post_uri
  
          if ssh_keys:
              config['sshKeyIds'] = [key_id for key_id in ssh_keys]
  
          return self.hardware.reloadOperatingSystem('FORCE', config,
                                                     id=hardware_id)
docs: Perform an OS reload of a server with its current configuration.
  
          :param integer hardware_id: the instance ID to reload
          :param string post_uri: The URI of the post-install script to run
                                  after reload
          :param list ssh_keys: The SSH keys to add to the root user