node.py 文件源码

def get_bmc_accessible_nodes(self):
        """Return `QuerySet` of nodes that this rack controller can access.

        This looks at the IP address assigned to all BMC's and filters out
        only the BMC's this rack controller can access. Returning all nodes
        connected to those BMCs.
        """
        subnet_ids = set()
        for interface in self.interface_set.all().prefetch_related(
                "ip_addresses"):
            for ip_address in interface.ip_addresses.all():
                if ip_address.ip and ip_address.subnet_id is not None:
                    subnet_ids.add(ip_address.subnet_id)

        nodes = Node.objects.filter(
            bmc__ip_address__ip__isnull=False,
            bmc__ip_address__subnet_id__in=subnet_ids).distinct()
        return nodes