82 lines
3.2 KiB
Python
82 lines
3.2 KiB
Python
# Copyright 2015 Intel Corporation.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from neutron_lib.api.definitions import port_security as psec
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from neutron_lib.api import validators
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from neutron_lib.plugins.ml2 import api
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from neutron_lib.utils import net
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from oslo_log import log as logging
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from neutron.db import portsecurity_db_common as ps_db_common
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LOG = logging.getLogger(__name__)
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class PortSecurityExtensionDriver(api.ExtensionDriver,
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ps_db_common.PortSecurityDbCommon):
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_supported_extension_alias = 'port-security'
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def initialize(self):
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LOG.info("PortSecurityExtensionDriver initialization complete")
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@property
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def extension_alias(self):
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return self._supported_extension_alias
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def process_create_network(self, context, data, result):
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# Create the network extension attributes.
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if psec.PORTSECURITY not in data:
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data[psec.PORTSECURITY] = psec.DEFAULT_PORT_SECURITY
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self._process_network_port_security_create(context, data, result)
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def process_update_network(self, context, data, result):
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# Update the network extension attributes.
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if psec.PORTSECURITY in data:
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self._process_network_port_security_update(context, data, result)
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def process_create_port(self, context, data, result):
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# Create the port extension attributes.
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data[psec.PORTSECURITY] = self._determine_port_security(context, data)
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self._process_port_port_security_create(context, data, result)
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def process_update_port(self, context, data, result):
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if psec.PORTSECURITY in data:
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self._process_port_port_security_update(
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context, data, result)
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def extend_network_dict(self, session, db_data, result):
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self._extend_port_security_dict(result, db_data)
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def extend_port_dict(self, session, db_data, result):
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self._extend_port_security_dict(result, db_data)
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def _determine_port_security(self, context, port):
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"""Returns a boolean (port_security_enabled).
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Port_security is the value associated with the port if one is present
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otherwise the value associated with the network is returned.
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"""
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# we don't apply security groups for dhcp, router
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if port.get('device_owner') and net.is_port_trusted(port):
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return False
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if validators.is_attr_set(port.get(psec.PORTSECURITY)):
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port_security_enabled = port[psec.PORTSECURITY]
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else:
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port_security_enabled = self._get_network_security_binding(
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context, port['network_id'])
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return port_security_enabled
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