135 lines
4.8 KiB
Python
135 lines
4.8 KiB
Python
# Copyright (c) 2014 Red Hat, Inc.
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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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import collections
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from oslo.config import cfg
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from neutron.agent.common import config
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from neutron.agent.linux import interface
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from neutron.agent.linux import ip_lib
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from neutron.common import utils
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from neutron.openstack.common import importutils
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from neutron.openstack.common import log as logging
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from neutron.tests.functional.agent.linux import base
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LOG = logging.getLogger(__name__)
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Device = collections.namedtuple('Device', 'name ip_cidr mac_address namespace')
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class IpLibTestFramework(base.BaseLinuxTestCase):
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def setUp(self):
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super(IpLibTestFramework, self).setUp()
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self.check_sudo_enabled()
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self._configure()
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def _configure(self):
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config.setup_logging()
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config.register_root_helper(cfg.CONF)
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cfg.CONF.set_override('root_helper', self.root_helper, group='AGENT')
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config.register_interface_driver_opts_helper(cfg.CONF)
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cfg.CONF.set_override(
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'interface_driver',
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'neutron.agent.linux.interface.OVSInterfaceDriver')
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cfg.CONF.register_opts(interface.OPTS)
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self.driver = importutils.import_object(cfg.CONF.interface_driver,
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cfg.CONF)
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def generate_device_details(self, name=None, ip_cidr=None,
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mac_address=None, namespace=None):
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return Device(name or base.get_rand_name(),
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ip_cidr or '240.0.0.1/24',
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mac_address or
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utils.get_random_mac('fa:16:3e:00:00:00'.split(':')),
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namespace or base.get_rand_name())
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def _safe_delete_device(self, device):
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try:
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device.link.delete()
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except RuntimeError:
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LOG.debug('Could not delete %s, was it already deleted?', device)
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def manage_device(self, attr):
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"""Create a tuntap with the specified attributes.
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The device is cleaned up at the end of the test.
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:param attr: A Device namedtuple
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:return: A tuntap ip_lib.IPDevice
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"""
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ip = ip_lib.IPWrapper(self.root_helper, namespace=attr.namespace)
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ip.netns.add(attr.namespace)
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self.addCleanup(ip.netns.delete, attr.namespace)
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tap_device = ip.add_tuntap(attr.name)
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self.addCleanup(self._safe_delete_device, tap_device)
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tap_device.link.set_address(attr.mac_address)
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self.driver.init_l3(attr.name, [attr.ip_cidr],
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namespace=attr.namespace)
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tap_device.link.set_up()
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return tap_device
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class IpLibTestCase(IpLibTestFramework):
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def test_device_exists(self):
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attr = self.generate_device_details()
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self.assertFalse(
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ip_lib.device_exists(attr.name, self.root_helper,
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attr.namespace))
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device = self.manage_device(attr)
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self.assertTrue(
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ip_lib.device_exists(device.name, self.root_helper,
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attr.namespace))
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device.link.delete()
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self.assertFalse(
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ip_lib.device_exists(attr.name, self.root_helper,
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attr.namespace))
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def test_device_exists_with_ip_mac(self):
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attr = self.generate_device_details()
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device = self.manage_device(attr)
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self.assertTrue(
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ip_lib.device_exists_with_ip_mac(
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*attr, root_helper=self.root_helper))
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wrong_ip_cidr = '10.0.0.1/8'
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wrong_mac_address = 'aa:aa:aa:aa:aa:aa'
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attr = self.generate_device_details(name='wrong_name')
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self.assertFalse(
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ip_lib.device_exists_with_ip_mac(
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*attr, root_helper=self.root_helper))
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attr = self.generate_device_details(ip_cidr=wrong_ip_cidr)
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self.assertFalse(
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ip_lib.device_exists_with_ip_mac(
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*attr, root_helper=self.root_helper))
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attr = self.generate_device_details(mac_address=wrong_mac_address)
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self.assertFalse(
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ip_lib.device_exists_with_ip_mac(
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*attr, root_helper=self.root_helper))
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attr = self.generate_device_details(namespace='wrong_namespace')
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self.assertFalse(
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ip_lib.device_exists_with_ip_mac(
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*attr, root_helper=self.root_helper))
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device.link.delete()
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