330ebbb1b1
OVS can hold only one tunnel with same endpoints. Some tests had hardcoded values for both tunnel endpoints which made them unable to run in parallel manner. This patch takes always exclusive address using resource allocator. Change-Id: If81296d54656551b24917d561f235edb96a6c2df Closes-bug: #1697533
63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
# Copyright 2016 Red Hat, Inc.
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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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import functools
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import random
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import netaddr
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from neutron.tests.common.exclusive_resources import resource_allocator
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TEST_NET_RANGE = {
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1: ('192.0.2.1', '192.0.2.254'),
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2: ('198.51.100.1', '198.51.100.254'),
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3: ('203.0.113.1', '203.0.113.254'),
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}
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def get_test_net_address_fixture(test_net_number):
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"""Return exclusive ip address on the system based on RFC 5737.
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:param block: One of following constants: 1, 2, 3
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https://tools.ietf.org/html/rfc5737
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"""
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try:
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net_range = TEST_NET_RANGE[test_net_number]
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except KeyError:
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raise ValueError("Unknown constant for TEST-NET: %d" % test_net_number)
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return ExclusiveIPAddress(*net_range)
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def get_random_ip(low, high):
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parent_range = netaddr.IPRange(low, high)
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return str(random.choice(parent_range))
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class ExclusiveIPAddress(resource_allocator.ExclusiveResource):
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"""Allocate a unique ip address.
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:ivar address: allocated ip address
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:type address: netaddr.IPAddress
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"""
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def __init__(self, low, high):
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super(ExclusiveIPAddress, self).__init__(
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'ip_addresses', functools.partial(get_random_ip, low, high))
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def _setUp(self):
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super(ExclusiveIPAddress, self)._setUp()
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self.address = netaddr.IPAddress(self.resource)
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