Source code for ironic.drivers.modules.inspector.hooks.physical_network
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Port Physical Network Hook"""
import ipaddress
from oslo_config import cfg
from oslo_log import log as logging
from ironic.drivers.modules.inspector.hooks import base
from ironic import objects
CONF = cfg.CONF
LOG = logging.getLogger(__name__)
[docs]
class PhysicalNetworkHook(base.InspectionHook):
"""Hook to set the port's physical_network field.
Set the ironic port's physical_network field based on a CIDR to physical
network mapping in the configuration.
"""
dependencies = ['validate-interfaces']
[docs]
def get_physical_network(self, interface):
"""Return a physical network to apply to an ironic port.
:param interface: The interface from the inventory.
:returns: The physical network to set, or None.
"""
def get_interface_ips(iface):
ips = []
for addr_version in ['ipv4_address', 'ipv6_address']:
try:
ips.append(ipaddress.ip_address(iface.get(addr_version)))
except ValueError:
pass
return ips
# Convert list config to a dictionary with ip_networks as keys
cidr_map = {
ipaddress.ip_network(x.rsplit(':', 1)[0]): x.rsplit(':', 1)[1]
for x in CONF.inspector.physical_network_cidr_map}
ips = get_interface_ips(interface)
for ip in ips:
try:
return [cidr_map[cidr] for cidr in cidr_map if ip in cidr][0]
except IndexError:
# This IP address is not present in the CIDR map
pass
# No mapping found for any of the IP addresses
return None
[docs]
def __call__(self, task, inventory, plugin_data):
"""Process inspection data and patch the port's physical network."""
node_ports = objects.Port.list_by_node_id(task.context, task.node.id)
ports_dict = {p.address: p for p in node_ports}
for interface in inventory['interfaces']:
if interface['name'] not in plugin_data['all_interfaces']:
continue
mac_address = interface['mac_address']
port = ports_dict.get(mac_address)
if not port:
LOG.debug("Skipping physical network processing for interface "
"%s on node %s - matching port not found in Ironic.",
mac_address, task.node.uuid)
continue
# Determine the physical network for this port, using the interface
# IPs and CIDR map configuration.
phys_network = self.get_physical_network(interface)
if phys_network is None:
LOG.debug("Skipping physical network processing for interface "
"%s on node %s - no physical network mapping.",
mac_address,
task.node.uuid)
continue
if getattr(port, 'physical_network', '') != phys_network:
port.physical_network = phys_network
port.save()
LOG.debug('Updated physical_network of port %s to %s',
port.uuid, port.physical_network)