You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

63 lines
1.9 KiB

# Copyright 2016 Red Hat, Inc.
# 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
# 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.
import functools
import random
import netaddr
from neutron.tests.common.exclusive_resources import resource_allocator
1: ('', ''),
2: ('', ''),
3: ('', ''),
def get_test_net_address_fixture(test_net_number):
"""Return exclusive ip address on the system based on RFC 5737.
:param block: One of following constants: 1, 2, 3
net_range = TEST_NET_RANGE[test_net_number]
except KeyError:
raise ValueError("Unknown constant for TEST-NET: %d" % test_net_number)
return ExclusiveIPAddress(*net_range)
def get_random_ip(low, high):
parent_range = netaddr.IPRange(low, high)
return str(random.choice(parent_range))
class ExclusiveIPAddress(resource_allocator.ExclusiveResource):
"""Allocate a unique ip address.
:ivar address: allocated ip address
:type address: netaddr.IPAddress
def __init__(self, low, high):
super(ExclusiveIPAddress, self).__init__(
'ip_addresses', functools.partial(get_random_ip, low, high))
def _setUp(self):
super(ExclusiveIPAddress, self)._setUp()
self.address = netaddr.IPAddress(self.resource)