42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
# 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
|
|
#
|
|
# 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.
|
|
|
|
import functools
|
|
import random
|
|
|
|
import netaddr
|
|
|
|
from neutron.tests.common.exclusive_resources import resource_allocator
|
|
|
|
|
|
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)
|