4d9101a60b
This patch rehomes neutron.common.utils.is_port_trusted into neutron_lib.utils.net. UTs and a release note included as well. Change-Id: I0a32ccb3b80809f1df0a07aa0b4546bca16e1c2c
55 lines
1.6 KiB
Python
55 lines
1.6 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import random
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import socket
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from neutron_lib import constants
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def get_hostname():
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"""Get the hostname of the system.
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:returns: The hostname of the system.
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"""
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return socket.gethostname()
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def get_random_mac(base_mac):
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"""Get a random MAC address string of the specified base format.
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Any part that is '00' will be randomized
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:param base_mac: Base MAC address represented by an array of 6 strings/int
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:returns: The MAC address string.
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"""
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return ':'.join(
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"{:02x}".format(random.randint(0x00, 0xff))if p == '00' else p
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for p in base_mac
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)
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def is_port_trusted(port):
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"""Used to determine if port can be trusted not to attack network.
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Trust is currently based on the device_owner field starting with 'network:'
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since we restrict who can use that in the default policy.json file.
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:param port: The port dict to inspect the 'device_owner' for.
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:returns: True if the port dict's 'device_owner' value starts with the
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networking prefix. False otherwise.
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"""
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return port['device_owner'].startswith(
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constants.DEVICE_OWNER_NETWORK_PREFIX)
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