def sync_instances(self, ctxt, project_id=None, updated_since=None,
            deleted=False):
        cctxt = self.client.prepare(version='1.1')
        return cctxt.cast(ctxt, 'sync_instances',
                          project_id=project_id,
                          updated_since=updated_since,
                          deleted=deleted)
Ask all cells to sync instance data.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/cells/rpcapi.py/CellsAPI.sync_instances