def _SetInstanceStatus(self, inst_uuid, status, disks_active,
                         admin_state_source):
    def WithRetry():
      result = self._wconfd.SetInstanceStatus(inst_uuid, status,
                                              disks_active, admin_state_source)
      self.OutDate()

      if result is None:
        raise utils.RetryAgain()
      else:
        return result
    return objects.Instance.FromDict(utils.Retry(WithRetry, 0.1, 30))
set up the context and return the value for this node
dataset/ETHPy150Open ganeti/ganeti/lib/config/__init__.py/ConfigWriter._SetInstanceStatus--crossover with--dataset/ETHPy150Open manahl/mdf/mdf/nodes.py/MDFNode.__call__