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1113 lines
45 KiB
1113 lines
45 KiB
# 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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|
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import collections |
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import copy |
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import itertools |
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import signal |
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|
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import netaddr |
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from neutron_lib import constants |
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from neutron_lib.utils import net |
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from oslo_config import cfg |
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from oslo_log import log as logging |
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from oslo_serialization import jsonutils |
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from oslo_utils import importutils |
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from oslo_utils import uuidutils |
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from pyroute2.iproute import linux as iproute_linux |
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import testscenarios |
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import testtools |
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|
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from neutron.agent.common import async_process |
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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.conf.agent import common as config |
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from neutron.privileged.agent.linux import ip_lib as priv_ip_lib |
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from neutron.tests.common import net_helpers |
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from neutron.tests.functional.agent.linux.bin import ip_monitor |
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from neutron.tests.functional import base as functional_base |
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|
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LOG = logging.getLogger(__name__) |
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Device = collections.namedtuple('Device', |
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'name ip_cidrs mac_address namespace') |
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|
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WRONG_IP = '0.0.0.0' |
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TEST_IP = '240.0.0.1' |
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TEST_IP_NEIGH = '240.0.0.2' |
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TEST_IP_SECONDARY = '240.0.0.3' |
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|
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class IpLibTestFramework(functional_base.BaseSudoTestCase): |
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def setUp(self): |
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super(IpLibTestFramework, self).setUp() |
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self._configure() |
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|
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def _configure(self): |
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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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config.register_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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|
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def generate_device_details(self, name=None, ip_cidrs=None, |
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mac_address=None, namespace=None): |
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if ip_cidrs is None: |
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ip_cidrs = ["%s/24" % TEST_IP] |
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return Device(name or utils.get_rand_name(), |
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ip_cidrs, |
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mac_address or |
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net.get_random_mac('fa:16:3e:00:00:00'.split(':')), |
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namespace or utils.get_rand_name()) |
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|
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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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|
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def manage_device(self, attr): |
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"""Create a tuntap with the specified attributes. |
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|
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The device is cleaned up at the end of the test. |
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|
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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(namespace=attr.namespace) |
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if 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_cidrs, |
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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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|
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def _check_routes(self, expected_routes, actual_routes): |
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actual_routes = [{key: route[key] for key in expected_routes[0].keys()} |
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for route in actual_routes] |
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self.assertEqual(expected_routes, actual_routes) |
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|
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def test_rules_lifecycle(self): |
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PRIORITY = 32768 |
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TABLE = 16 |
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attr = self.generate_device_details() |
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device = self.manage_device(attr) |
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|
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test_cases = { |
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constants.IP_VERSION_4: [ |
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{ |
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'ip': '1.1.1.1', |
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'to': '8.8.8.0/24' |
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}, |
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{ |
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'ip': '1.1.1.1', |
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'iif': device.name, |
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'to': '7.7.7.0/24' |
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} |
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], |
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constants.IP_VERSION_6: [ |
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{ |
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'ip': 'abcd::1', |
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'to': '1234::/64' |
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}, |
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{ |
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'ip': 'abcd::1', |
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'iif': device.name, |
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'to': '4567::/64' |
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} |
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] |
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} |
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expected_rules = { |
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constants.IP_VERSION_4: [ |
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{ |
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'from': '1.1.1.1', |
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'to': '8.8.8.0/24', |
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'priority': str(PRIORITY), |
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'table': str(TABLE), |
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'type': 'unicast' |
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}, { |
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'from': '0.0.0.0/0', |
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'to': '7.7.7.0/24', |
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'iif': device.name, |
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'priority': str(PRIORITY), |
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'table': str(TABLE), |
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'type': 'unicast' |
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} |
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], |
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constants.IP_VERSION_6: [ |
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{ |
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'from': 'abcd::1', |
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'to': '1234::/64', |
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'priority': str(PRIORITY), |
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'table': str(TABLE), |
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'type': 'unicast' |
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}, |
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{ |
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'from': '::/0', |
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'to': '4567::/64', |
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'iif': device.name, |
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'priority': str(PRIORITY), |
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'table': str(TABLE), |
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'type': 'unicast', |
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} |
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] |
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} |
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|
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for ip_version, test_case in test_cases.items(): |
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for rule in test_case: |
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ip_lib.add_ip_rule(namespace=device.namespace, table=TABLE, |
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priority=PRIORITY, **rule) |
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|
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rules = ip_lib.list_ip_rules(device.namespace, ip_version) |
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for expected_rule in expected_rules[ip_version]: |
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self.assertIn(expected_rule, rules) |
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|
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for rule in test_case: |
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ip_lib.delete_ip_rule(device.namespace, table=TABLE, |
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priority=PRIORITY, **rule) |
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rules = priv_ip_lib.list_ip_rules(device.namespace, ip_version) |
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for expected_rule in expected_rules[ip_version]: |
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self.assertNotIn(expected_rule, rules) |
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|
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def test_device_exists(self): |
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attr = self.generate_device_details() |
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|
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self.assertFalse( |
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ip_lib.device_exists(attr.name, namespace=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, namespace=attr.namespace)) |
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|
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self.assertFalse( |
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ip_lib.device_exists(attr.name, namespace='wrong_namespace')) |
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device.link.delete() |
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self.assertFalse( |
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ip_lib.device_exists(attr.name, namespace=attr.namespace)) |
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|
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def test_ipdevice_exists(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(device.exists()) |
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device.link.delete() |
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self.assertFalse(device.exists()) |
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|
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def test_vlan_exists(self): |
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attr = self.generate_device_details() |
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ip = ip_lib.IPWrapper(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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priv_ip_lib.create_interface(attr.name, attr.namespace, 'dummy') |
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self.assertFalse(ip_lib.vlan_in_use(1999, namespace=attr.namespace)) |
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device = ip.add_vlan('vlan1999', attr.name, 1999) |
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self.assertTrue(ip_lib.vlan_in_use(1999, namespace=attr.namespace)) |
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device.link.delete() |
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self.assertFalse(ip_lib.vlan_in_use(1999, namespace=attr.namespace)) |
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def test_vxlan_exists(self): |
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attr = self.generate_device_details() |
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ip = ip_lib.IPWrapper(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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self.assertFalse(ip_lib.vxlan_in_use(9999, namespace=attr.namespace)) |
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device = ip.add_vxlan(attr.name, 9999) |
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self.addCleanup(self._safe_delete_device, device) |
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self.assertTrue(ip_lib.vxlan_in_use(9999, namespace=attr.namespace)) |
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device.link.delete() |
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self.assertFalse(ip_lib.vxlan_in_use(9999, namespace=attr.namespace)) |
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def test_ipwrapper_get_device_by_ip_None(self): |
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ip_wrapper = ip_lib.IPWrapper(namespace=None) |
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self.assertIsNone(ip_wrapper.get_device_by_ip(ip=None)) |
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|
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def test_ipwrapper_get_device_by_ip(self): |
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# We need to pass both IP and cidr values to get_device_by_ip() |
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# to make sure it filters correctly. |
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test_ip = "%s/24" % TEST_IP |
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test_ip_secondary = "%s/24" % TEST_IP_SECONDARY |
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attr = self.generate_device_details( |
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ip_cidrs=[test_ip, test_ip_secondary] |
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) |
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self.manage_device(attr) |
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ip_wrapper = ip_lib.IPWrapper(namespace=attr.namespace) |
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self.assertEqual(attr.name, ip_wrapper.get_device_by_ip(TEST_IP).name) |
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self.assertEqual(attr.name, |
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ip_wrapper.get_device_by_ip(TEST_IP_SECONDARY).name) |
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self.assertIsNone(ip_wrapper.get_device_by_ip(TEST_IP_NEIGH)) |
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# this is in the same subnet, so will match if we pass as cidr |
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test_ip_neigh = "%s/24" % TEST_IP_NEIGH |
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self.assertEqual(attr.name, |
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ip_wrapper.get_device_by_ip(test_ip_neigh).name) |
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self.assertIsNone(ip_wrapper.get_device_by_ip(WRONG_IP)) |
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|
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def test_device_exists_with_ips_and_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_ips_and_mac(*attr)) |
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|
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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_ips_and_mac(*attr)) |
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attr = self.generate_device_details(ip_cidrs=[wrong_ip_cidr]) |
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self.assertFalse(ip_lib.device_exists_with_ips_and_mac(*attr)) |
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attr = self.generate_device_details(mac_address=wrong_mac_address) |
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self.assertFalse(ip_lib.device_exists_with_ips_and_mac(*attr)) |
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attr = self.generate_device_details(namespace='wrong_namespace') |
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self.assertFalse(ip_lib.device_exists_with_ips_and_mac(*attr)) |
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device.link.delete() |
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|
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def test_get_device_mac(self): |
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attr = self.generate_device_details() |
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device = self.manage_device(attr) |
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mac_address = ip_lib.get_device_mac(attr.name, |
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namespace=attr.namespace) |
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self.assertEqual(attr.mac_address, mac_address) |
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device.link.delete() |
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|
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def test_get_device_mac_too_long_name(self): |
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name = utils.get_rand_name( |
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max_length=constants.DEVICE_NAME_MAX_LEN + 5) |
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attr = self.generate_device_details(name=name) |
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device = self.manage_device(attr) |
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mac_address = ip_lib.get_device_mac(attr.name, |
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namespace=attr.namespace) |
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self.assertEqual(attr.mac_address, mac_address) |
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|
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device.link.delete() |
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|
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def test_gateway_lifecycle(self): |
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attr = self.generate_device_details( |
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ip_cidrs=["%s/24" % TEST_IP, "fd00::1/64"] |
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) |
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metric = 1000 |
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device = self.manage_device(attr) |
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gateways = { |
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constants.IP_VERSION_4: attr.ip_cidrs[0].split('/')[0], |
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constants.IP_VERSION_6: "fd00::ff" |
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} |
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expected_gateways = { |
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constants.IP_VERSION_4: { |
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'metric': metric, |
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'via': gateways[constants.IP_VERSION_4]}, |
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constants.IP_VERSION_6: { |
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'metric': metric, |
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'via': gateways[constants.IP_VERSION_6]}} |
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|
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for ip_version, gateway_ip in gateways.items(): |
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device.route.add_gateway(gateway_ip, metric) |
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self._check_routes( |
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[expected_gateways[ip_version]], |
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[device.route.get_gateway(ip_version=ip_version)]) |
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device.route.delete_gateway(gateway_ip) |
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self.assertIsNone( |
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device.route.get_gateway(ip_version=ip_version)) |
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|
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def test_gateway_flush(self): |
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attr = self.generate_device_details( |
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ip_cidrs=["%s/24" % TEST_IP, "fd00::1/64"] |
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) |
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device = self.manage_device(attr) |
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|
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gateways = { |
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constants.IP_VERSION_4: attr.ip_cidrs[0].split('/')[0], |
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constants.IP_VERSION_6: "fd00::ff" |
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} |
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for ip_version, gateway_ip in gateways.items(): |
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# Ensure that there is no gateway configured |
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self.assertIsNone( |
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device.route.get_gateway(ip_version=ip_version)) |
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|
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# Now lets add gateway |
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device.route.add_gateway(gateway_ip, table="main") |
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self.assertIsNotNone( |
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device.route.get_gateway(ip_version=ip_version)) |
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|
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# Flush gateway and check that there is no any gateway configured |
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device.route.flush(ip_version, table="main") |
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self.assertIsNone( |
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device.route.get_gateway(ip_version=ip_version)) |
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|
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def test_get_routing_table(self): |
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attr = self.generate_device_details( |
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ip_cidrs=["%s/24" % TEST_IP, "fd00::1/64"] |
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) |
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device = self.manage_device(attr) |
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device_ip = attr.ip_cidrs[0].split('/')[0] |
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destination = '8.8.8.0/24' |
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device.route.add_route(destination, device_ip) |
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|
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destination6 = 'fd01::/64' |
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device.route.add_route(destination6, "fd00::2") |
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|
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expected_routes = [{'nexthop': device_ip, |
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'device': attr.name, |
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'destination': destination, |
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'scope': 'universe'}, |
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{'nexthop': None, |
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'device': attr.name, |
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'destination': str( |
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netaddr.IPNetwork(attr.ip_cidrs[0]).cidr), |
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'scope': 'link'}] |
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|
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routes = ip_lib.get_routing_table(4, namespace=attr.namespace) |
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self.assertItemsEqual(expected_routes, routes) |
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self.assertIsInstance(routes, list) |
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|
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expected_routes6 = [{'nexthop': "fd00::2", |
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'device': attr.name, |
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'destination': destination6, |
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'scope': 'universe'}, |
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{'nexthop': None, |
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'device': attr.name, |
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'destination': str( |
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netaddr.IPNetwork(attr.ip_cidrs[1]).cidr), |
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'scope': 'universe'}] |
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routes6 = ip_lib.get_routing_table(6, namespace=attr.namespace) |
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self.assertItemsEqual(expected_routes6, routes6) |
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self.assertIsInstance(routes6, list) |
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|
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def test_get_routing_table_no_namespace(self): |
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with testtools.ExpectedException(ip_lib.NetworkNamespaceNotFound): |
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ip_lib.get_routing_table(4, namespace="nonexistent-netns") |
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|
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def test_get_neigh_entries(self): |
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attr = self.generate_device_details( |
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ip_cidrs=["%s/24" % TEST_IP, "fd00::1/64"] |
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) |
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mac_address = net.get_random_mac('fa:16:3e:00:00:00'.split(':')) |
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device = self.manage_device(attr) |
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device.neigh.add(TEST_IP_NEIGH, mac_address) |
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|
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expected_neighs = [{'dst': TEST_IP_NEIGH, |
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'lladdr': mac_address, |
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'device': attr.name}] |
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|
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neighs = device.neigh.dump(4) |
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self.assertItemsEqual(expected_neighs, neighs) |
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self.assertIsInstance(neighs, list) |
|
|
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device.neigh.delete(TEST_IP_NEIGH, mac_address) |
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neighs = device.neigh.dump(4, dst=TEST_IP_NEIGH, lladdr=mac_address) |
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self.assertEqual([], neighs) |
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|
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def test_get_neigh_entries_no_namespace(self): |
|
with testtools.ExpectedException(ip_lib.NetworkNamespaceNotFound): |
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ip_lib.dump_neigh_entries(4, namespace="nonexistent-netns") |
|
|
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def test_get_neigh_entries_no_interface(self): |
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attr = self.generate_device_details( |
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ip_cidrs=["%s/24" % TEST_IP, "fd00::1/64"] |
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) |
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self.manage_device(attr) |
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with testtools.ExpectedException(ip_lib.NetworkInterfaceNotFound): |
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ip_lib.dump_neigh_entries(4, device="nosuchdevice", |
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namespace=attr.namespace) |
|
|
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def test_delete_neigh_entries(self): |
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attr = self.generate_device_details( |
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ip_cidrs=["%s/24" % TEST_IP, "fd00::1/64"] |
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) |
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mac_address = net.get_random_mac('fa:16:3e:00:00:00'.split(':')) |
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device = self.manage_device(attr) |
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|
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# trying to delete a non-existent entry shouldn't raise an error |
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device.neigh.delete(TEST_IP_NEIGH, mac_address) |
|
|
|
def _check_for_device_name(self, ip, name, should_exist): |
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exist = any(d for d in ip.get_devices() if d.name == name) |
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self.assertEqual(should_exist, exist) |
|
|
|
def test_veth_exists(self): |
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namespace1 = self.useFixture(net_helpers.NamespaceFixture()) |
|
namespace2 = self.useFixture(net_helpers.NamespaceFixture()) |
|
dev_name1 = utils.get_rand_name() |
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dev_name2 = utils.get_rand_name() |
|
|
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device1, device2 = namespace1.ip_wrapper.add_veth( |
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dev_name1, dev_name2, namespace2.name) |
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self.addCleanup(self._safe_delete_device, device1) |
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self.addCleanup(self._safe_delete_device, device2) |
|
|
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self._check_for_device_name(namespace1.ip_wrapper, dev_name1, True) |
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self._check_for_device_name(namespace2.ip_wrapper, dev_name2, True) |
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self._check_for_device_name(namespace1.ip_wrapper, dev_name2, False) |
|
self._check_for_device_name(namespace2.ip_wrapper, dev_name1, False) |
|
|
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# As it is veth pair, remove of device1 should be enough to remove |
|
# both devices |
|
device1.link.delete() |
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self._check_for_device_name(namespace1.ip_wrapper, dev_name1, False) |
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self._check_for_device_name(namespace2.ip_wrapper, dev_name2, False) |
|
|
|
def test_macvtap_exists(self): |
|
namespace = self.useFixture(net_helpers.NamespaceFixture()) |
|
src_dev_name = utils.get_rand_name() |
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src_dev = namespace.ip_wrapper.add_dummy(src_dev_name) |
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self.addCleanup(self._safe_delete_device, src_dev) |
|
|
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dev_name = utils.get_rand_name() |
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device = namespace.ip_wrapper.add_macvtap(dev_name, src_dev_name) |
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self.addCleanup(self._safe_delete_device, device) |
|
|
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self._check_for_device_name(namespace.ip_wrapper, dev_name, True) |
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device.link.delete() |
|
self._check_for_device_name(namespace.ip_wrapper, dev_name, False) |
|
|
|
def test_dummy_exists(self): |
|
namespace = self.useFixture(net_helpers.NamespaceFixture()) |
|
dev_name = utils.get_rand_name() |
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device = namespace.ip_wrapper.add_dummy(dev_name) |
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self.addCleanup(self._safe_delete_device, device) |
|
self._check_for_device_name(namespace.ip_wrapper, dev_name, True) |
|
device.link.delete() |
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self._check_for_device_name(namespace.ip_wrapper, dev_name, False) |
|
|
|
def test_set_link_mtu(self): |
|
attr = self.generate_device_details() |
|
device = self.manage_device(attr) |
|
device.link.set_mtu(1450) |
|
|
|
self.assertEqual(1450, device.link.mtu) |
|
|
|
# Check if proper exception will be raised when wrong MTU value is |
|
# provided |
|
self.assertRaises(ip_lib.InvalidArgument, device.link.set_mtu, 1) |
|
|
|
def test_set_link_allmulticast_on(self): |
|
attr = self.generate_device_details() |
|
device = self.manage_device(attr) |
|
|
|
self.assertFalse(device.link.allmulticast) |
|
device.link.set_allmulticast_on() |
|
self.assertTrue(device.link.allmulticast) |
|
|
|
def test_set_link_netns(self): |
|
attr = self.generate_device_details() |
|
device = self.manage_device(attr) |
|
original_namespace = device.namespace |
|
original_ip_wrapper = ip_lib.IPWrapper(namespace=original_namespace) |
|
new_namespace = self.useFixture(net_helpers.NamespaceFixture()) |
|
|
|
device.link.set_netns(new_namespace.name) |
|
|
|
self.assertEqual(new_namespace.name, device.namespace) |
|
self._check_for_device_name( |
|
new_namespace.ip_wrapper, device.name, True) |
|
self._check_for_device_name( |
|
original_ip_wrapper, device.name, False) |
|
|
|
def test_set_link_name(self): |
|
attr = self.generate_device_details() |
|
device = self.manage_device(attr) |
|
ip_wrapper = ip_lib.IPWrapper(namespace=device.namespace) |
|
original_name = device.name |
|
new_name = utils.get_rand_name() |
|
|
|
# device has to be DOWN to rename it |
|
device.link.set_down() |
|
device.link.set_name(new_name) |
|
|
|
self.assertEqual(new_name, device.name) |
|
self._check_for_device_name(ip_wrapper, new_name, True) |
|
self._check_for_device_name(ip_wrapper, original_name, False) |
|
|
|
def test_set_link_alias(self): |
|
attr = self.generate_device_details() |
|
device = self.manage_device(attr) |
|
alias = utils.get_rand_name() |
|
|
|
device.link.set_alias(alias) |
|
|
|
self.assertEqual(alias, device.link.alias) |
|
|
|
def _add_and_check_ips(self, device, ip_addresses): |
|
for cidr, scope, expected_broadcast in ip_addresses: |
|
# For IPv4 address add_broadcast flag will be set to True only |
|
# if expected_broadcast is given. |
|
# For IPv6 add_broadcast flag can be set to True always but |
|
# broadcast address will not be set, so expected_broadcast for |
|
# IPv6 should be always given as None. |
|
add_broadcast = True |
|
if cidr.version == constants.IP_VERSION_4: |
|
add_broadcast = bool(expected_broadcast) |
|
device.addr.add(str(cidr), scope, add_broadcast) |
|
|
|
device_ips_info = [ |
|
(netaddr.IPNetwork(ip_info['cidr']), |
|
ip_info['scope'], |
|
ip_info['broadcast']) for |
|
ip_info in device.addr.list()] |
|
self.assertItemsEqual(ip_addresses, device_ips_info) |
|
|
|
def _flush_ips(self, device, ip_version): |
|
device.addr.flush(ip_version) |
|
for ip_address in device.addr.list(): |
|
cidr = netaddr.IPNetwork(ip_address['cidr']) |
|
self.assertNotEqual(ip_version, cidr.version) |
|
|
|
def test_add_ip_address(self): |
|
ip_addresses = [ |
|
(netaddr.IPNetwork("10.10.10.10/30"), "global", '10.10.10.11'), |
|
(netaddr.IPNetwork("11.11.11.11/28"), "link", None), |
|
(netaddr.IPNetwork("2801::1/120"), "global", None), |
|
(netaddr.IPNetwork("fe80::/64"), "link", None)] |
|
attr = self.generate_device_details(ip_cidrs=[]) |
|
device = self.manage_device(attr) |
|
self._add_and_check_ips(device, ip_addresses) |
|
|
|
# Now let's check if adding already existing IP address will raise |
|
# RuntimeError |
|
ip_address = ip_addresses[0] |
|
self.assertRaises(RuntimeError, |
|
device.addr.add, str(ip_address[0]), ip_address[1]) |
|
|
|
def test_delete_ip_address(self): |
|
attr = self.generate_device_details() |
|
cidr = attr.ip_cidrs[0] |
|
device = self.manage_device(attr) |
|
|
|
device_cidrs = [ip_info['cidr'] for ip_info in device.addr.list()] |
|
self.assertIn(cidr, device_cidrs) |
|
|
|
device.addr.delete(cidr) |
|
device_cidrs = [ip_info['cidr'] for ip_info in device.addr.list()] |
|
self.assertNotIn(cidr, device_cidrs) |
|
|
|
# Try to delete not existing IP address, it should be just fine and |
|
# finish without any error raised |
|
device.addr.delete(cidr) |
|
|
|
def test_flush_ip_addresses(self): |
|
ip_addresses = [ |
|
(netaddr.IPNetwork("10.10.10.10/30"), "global", '10.10.10.11'), |
|
(netaddr.IPNetwork("11.11.11.11/28"), "link", None), |
|
(netaddr.IPNetwork("2801::1/120"), "global", None), |
|
(netaddr.IPNetwork("fe80::/64"), "link", None)] |
|
attr = self.generate_device_details(ip_cidrs=[]) |
|
device = self.manage_device(attr) |
|
|
|
self._add_and_check_ips(device, ip_addresses) |
|
self._flush_ips(device, constants.IP_VERSION_4) |
|
self._flush_ips(device, constants.IP_VERSION_6) |
|
|
|
|
|
class TestSetIpNonlocalBind(functional_base.BaseSudoTestCase): |
|
def test_assigned_value(self): |
|
namespace = self.useFixture(net_helpers.NamespaceFixture()) |
|
for expected in (0, 1): |
|
failed = ip_lib.set_ip_nonlocal_bind(expected, namespace.name) |
|
try: |
|
observed = ip_lib.get_ip_nonlocal_bind(namespace.name) |
|
except RuntimeError as rte: |
|
stat_message = ( |
|
'cannot stat /proc/sys/net/ipv4/ip_nonlocal_bind') |
|
if stat_message in str(rte): |
|
raise self.skipException( |
|
"This kernel doesn't support %s in network " |
|
"namespaces." % ip_lib.IP_NONLOCAL_BIND) |
|
raise |
|
|
|
self.assertFalse(failed) |
|
self.assertEqual(expected, observed) |
|
|
|
|
|
class NamespaceTestCase(functional_base.BaseSudoTestCase): |
|
|
|
def setUp(self): |
|
super(NamespaceTestCase, self).setUp() |
|
self.namespace = 'test_ns_' + uuidutils.generate_uuid() |
|
ip_lib.create_network_namespace(self.namespace) |
|
self.addCleanup(self._delete_namespace) |
|
|
|
def _delete_namespace(self): |
|
ip_lib.delete_network_namespace(self.namespace) |
|
|
|
def test_network_namespace_exists_ns_exists(self): |
|
for use_helper_for_ns_read in (True, False): |
|
cfg.CONF.set_override('use_helper_for_ns_read', |
|
use_helper_for_ns_read, 'AGENT') |
|
self.assertTrue(ip_lib.network_namespace_exists(self.namespace)) |
|
|
|
def test_network_namespace_exists_ns_doesnt_exists(self): |
|
for use_helper_for_ns_read in (True, False): |
|
cfg.CONF.set_override('use_helper_for_ns_read', |
|
use_helper_for_ns_read, 'AGENT') |
|
self.assertFalse(ip_lib.network_namespace_exists('another_ns')) |
|
|
|
def test_network_namespace_exists_ns_exists_try_is_ready(self): |
|
self.assertTrue(ip_lib.network_namespace_exists(self.namespace, |
|
try_is_ready=True)) |
|
|
|
def test_network_namespace_exists_ns_doesnt_exists_try_is_ready(self): |
|
self.assertFalse(ip_lib.network_namespace_exists('another_ns', |
|
try_is_ready=True)) |
|
|
|
|
|
class IpMonitorTestCase(testscenarios.WithScenarios, |
|
functional_base.BaseLoggingTestCase): |
|
|
|
scenarios = [ |
|
('namespace', {'namespace': 'ns_' + uuidutils.generate_uuid()}), |
|
('no_namespace', {'namespace': None}) |
|
] |
|
|
|
def setUp(self): |
|
super(IpMonitorTestCase, self).setUp() |
|
self.addCleanup(self._cleanup) |
|
if self.namespace: |
|
priv_ip_lib.create_netns(self.namespace) |
|
self.devices = [('int_' + uuidutils.generate_uuid())[ |
|
:constants.DEVICE_NAME_MAX_LEN] for _ in range(5)] |
|
self.ip_wrapper = ip_lib.IPWrapper(self.namespace) |
|
self.temp_file = self.get_temp_file_path('out_' + self.devices[0] + |
|
'.tmp') |
|
self.proc = self._run_ip_monitor(ip_monitor) |
|
|
|
def _cleanup(self): |
|
self.proc.stop(kill_timeout=10, kill_signal=signal.SIGTERM) |
|
if self.namespace: |
|
priv_ip_lib.remove_netns(self.namespace) |
|
else: |
|
for device in self.devices: |
|
try: |
|
priv_ip_lib.delete_interface(device, self.namespace) |
|
except priv_ip_lib.NetworkInterfaceNotFound: |
|
pass |
|
|
|
@staticmethod |
|
def _normalize_module_name(name): |
|
for suf in ['.pyc', '.pyo']: |
|
if name.endswith(suf): |
|
return name[:-len(suf)] + '.py' |
|
return name |
|
|
|
def _run_ip_monitor(self, module): |
|
executable = self._normalize_module_name(module.__file__) |
|
proc = async_process.AsyncProcess( |
|
[executable, self.temp_file, str(self.namespace)], |
|
run_as_root=True) |
|
proc.start(block=True) |
|
return proc |
|
|
|
def _read_file(self, ip_addresses): |
|
try: |
|
registers = [] |
|
with open(self.temp_file, 'r') as f: |
|
data = f.read() |
|
for line in data.splitlines(): |
|
register = jsonutils.loads(line) |
|
registers.append({'name': register['name'], |
|
'cidr': register['cidr'], |
|
'event': register['event']}) |
|
for ip_address in ip_addresses: |
|
if ip_address not in registers: |
|
return False |
|
return True |
|
except (OSError, IOError) as e: |
|
return False |
|
|
|
def _check_read_file(self, ip_addresses): |
|
try: |
|
utils.wait_until_true(lambda: self._read_file(ip_addresses), |
|
timeout=30) |
|
except utils.WaitTimeout: |
|
with open(self.temp_file, 'r') as f: |
|
registers = f.read() |
|
self.fail('Defined IP addresses: %s, IP addresses registered: %s' % |
|
(ip_addresses, registers)) |
|
|
|
def _handle_ip_addresses(self, event, ip_addresses): |
|
for ip_address in (_ip for _ip in ip_addresses |
|
if _ip['event'] == event): |
|
ip_device = ip_lib.IPDevice(ip_address['name'], self.namespace) |
|
if event == 'removed': |
|
ip_device.addr.delete(ip_address['cidr']) |
|
if event == 'added': |
|
ip_device.addr.add(ip_address['cidr']) |
|
|
|
def test_add_remove_ip_address_and_interface(self): |
|
for device in self.devices: |
|
self.ip_wrapper.add_dummy(device) |
|
utils.wait_until_true(lambda: self._read_file({}), timeout=30) |
|
ip_addresses = [ |
|
{'cidr': '192.168.250.1/24', 'event': 'added', |
|
'name': self.devices[0]}, |
|
{'cidr': '192.168.250.2/24', 'event': 'added', |
|
'name': self.devices[1]}, |
|
{'cidr': '192.168.250.3/24', 'event': 'added', |
|
'name': self.devices[2]}, |
|
{'cidr': '192.168.250.10/24', 'event': 'added', |
|
'name': self.devices[3]}, |
|
{'cidr': '192.168.250.10/24', 'event': 'removed', |
|
'name': self.devices[3]}, |
|
{'cidr': '2001:db8::1/64', 'event': 'added', |
|
'name': self.devices[4]}, |
|
{'cidr': '2001:db8::2/64', 'event': 'added', |
|
'name': self.devices[4]}] |
|
|
|
self._handle_ip_addresses('added', ip_addresses) |
|
self._handle_ip_addresses('removed', ip_addresses) |
|
self._check_read_file(ip_addresses) |
|
|
|
ip_device = ip_lib.IPDevice(self.devices[4], self.namespace) |
|
ip_device.link.delete() |
|
ip_addresses = [ |
|
{'cidr': '2001:db8::1/64', 'event': 'removed', |
|
'name': self.devices[4]}, |
|
{'cidr': '2001:db8::2/64', 'event': 'removed', |
|
'name': self.devices[4]}] |
|
self._check_read_file(ip_addresses) |
|
|
|
def test_interface_added_after_initilization(self): |
|
for device in self.devices[:len(self.devices) - 1]: |
|
self.ip_wrapper.add_dummy(device) |
|
utils.wait_until_true(lambda: self._read_file({}), timeout=30) |
|
ip_addresses = [ |
|
{'cidr': '192.168.251.21/24', 'event': 'added', |
|
'name': self.devices[0]}, |
|
{'cidr': '192.168.251.22/24', 'event': 'added', |
|
'name': self.devices[1]}] |
|
|
|
self._handle_ip_addresses('added', ip_addresses) |
|
self._check_read_file(ip_addresses) |
|
|
|
self.ip_wrapper.add_dummy(self.devices[-1]) |
|
ip_addresses.append({'cidr': '192.168.251.23/24', 'event': 'added', |
|
'name': self.devices[-1]}) |
|
|
|
self._handle_ip_addresses('added', [ip_addresses[-1]]) |
|
self._check_read_file(ip_addresses) |
|
|
|
def test_add_and_remove_multiple_ips(self): |
|
# NOTE(ralonsoh): testing [1], adding multiple IPs. |
|
# [1] https://bugs.launchpad.net/neutron/+bug/1832307 |
|
utils.wait_until_true(lambda: self._read_file({}), timeout=30) |
|
self.ip_wrapper.add_dummy(self.devices[0]) |
|
ip_addresses = [] |
|
for i in range(100): |
|
_cidr = str(netaddr.IPNetwork('192.168.252.1/32').ip + i) + '/32' |
|
ip_addresses.append({'cidr': _cidr, 'event': 'added', |
|
'name': self.devices[0]}) |
|
|
|
self._handle_ip_addresses('added', ip_addresses) |
|
self._check_read_file(ip_addresses) |
|
|
|
for i in range(100): |
|
_cidr = str(netaddr.IPNetwork('192.168.252.1/32').ip + i) + '/32' |
|
ip_addresses.append({'cidr': _cidr, 'event': 'removed', |
|
'name': self.devices[0]}) |
|
|
|
self._handle_ip_addresses('removed', ip_addresses) |
|
self._check_read_file(ip_addresses) |
|
|
|
|
|
class IpRouteCommandTestCase(functional_base.BaseSudoTestCase): |
|
|
|
def setUp(self): |
|
super(IpRouteCommandTestCase, self).setUp() |
|
self.namespace = self.useFixture(net_helpers.NamespaceFixture()).name |
|
ip_lib.IPWrapper(self.namespace).add_dummy('test_device') |
|
self.device = ip_lib.IPDevice('test_device', namespace=self.namespace) |
|
self.device.link.set_up() |
|
self.device_cidr_ipv4 = '192.168.100.1/24' |
|
self.device_cidr_ipv6 = '2020::1/64' |
|
self.device.addr.add(self.device_cidr_ipv4) |
|
self.device.addr.add(self.device_cidr_ipv6) |
|
self.cidrs = ['192.168.0.0/24', '10.0.0.0/8', '2001::/64', 'faaa::/96'] |
|
|
|
def _assert_route(self, ip_version, table=None, source_prefix=None, |
|
cidr=None, scope=None, via=None, metric=None, |
|
not_in=False): |
|
if not_in: |
|
fn = lambda: cmp not in self.device.route.list_routes(ip_version, |
|
table=table) |
|
msg = 'Route found: %s' |
|
else: |
|
fn = lambda: cmp in self.device.route.list_routes(ip_version, |
|
table=table) |
|
msg = 'Route not found: %s' |
|
|
|
if cidr: |
|
ip_version = utils.get_ip_version(cidr) |
|
else: |
|
ip_version = utils.get_ip_version(via) |
|
cidr = constants.IP_ANY[ip_version] |
|
if constants.IP_VERSION_6 == ip_version: |
|
scope = ip_lib.IP_ADDRESS_SCOPE[0] |
|
elif not scope: |
|
scope = 'global' if via else 'link' |
|
if not metric: |
|
metric = ip_lib.IP_ROUTE_METRIC_DEFAULT[ip_version] |
|
table = table or iproute_linux.DEFAULT_TABLE |
|
table = ip_lib.IP_RULE_TABLES_NAMES.get(table, table) |
|
cmp = {'table': table, |
|
'cidr': cidr, |
|
'source_prefix': source_prefix, |
|
'scope': scope, |
|
'device': 'test_device', |
|
'via': via, |
|
'metric': metric} |
|
try: |
|
utils.wait_until_true(fn, timeout=5) |
|
except utils.WaitTimeout: |
|
raise self.fail(msg % cmp) |
|
|
|
def test_add_route_table(self): |
|
tables = (None, 1, 253, 254, 255) |
|
for cidr in self.cidrs: |
|
for table in tables: |
|
self.device.route.add_route(cidr, table=table) |
|
ip_version = utils.get_ip_version(cidr) |
|
self._assert_route(ip_version, cidr=cidr, table=table) |
|
|
|
def test_add_route_via(self): |
|
gateway_ipv4 = str(netaddr.IPNetwork(self.device_cidr_ipv4).ip) |
|
gateway_ipv6 = str(netaddr.IPNetwork(self.device_cidr_ipv6).ip + 1) |
|
for cidr in self.cidrs: |
|
ip_version = utils.get_ip_version(cidr) |
|
gateway = (gateway_ipv4 if ip_version == constants.IP_VERSION_4 |
|
else gateway_ipv6) |
|
self.device.route.add_route(cidr, via=gateway) |
|
self._assert_route(ip_version, cidr=cidr, via=gateway) |
|
|
|
def test_add_route_metric(self): |
|
metrics = (None, 1, 10, 255) |
|
for cidr in self.cidrs: |
|
for metric in metrics: |
|
self.device.route.add_route(cidr, metric=metric) |
|
ip_version = utils.get_ip_version(cidr) |
|
self._assert_route(ip_version, cidr=cidr, metric=metric) |
|
|
|
def test_add_route_scope(self): |
|
for cidr in self.cidrs: |
|
for scope in ip_lib.IP_ADDRESS_SCOPE_NAME: |
|
self.device.route.add_route(cidr, scope=scope) |
|
ip_version = utils.get_ip_version(cidr) |
|
self._assert_route(ip_version, cidr=cidr, scope=scope) |
|
|
|
def test_add_route_gateway(self): |
|
gateways = (str(netaddr.IPNetwork(self.device_cidr_ipv4).ip), |
|
str(netaddr.IPNetwork(self.device_cidr_ipv6).ip + 1)) |
|
for gateway in gateways: |
|
ip_version = utils.get_ip_version(gateway) |
|
self.device.route.add_gateway(gateway) |
|
self._assert_route(ip_version, cidr=None, via=gateway, |
|
scope='global') |
|
|
|
def test_list_onlink_routes_ipv4(self): |
|
cidr_ipv4 = [] |
|
for cidr in self.cidrs: |
|
if utils.get_ip_version(cidr) == constants.IP_VERSION_4: |
|
cidr_ipv4.append(cidr) |
|
self.device.route.add_onlink_route(cidr) |
|
|
|
for cidr in cidr_ipv4: |
|
self._assert_route(constants.IP_VERSION_4, cidr=cidr) |
|
|
|
routes = self.device.route.list_onlink_routes(constants.IP_VERSION_4) |
|
self.assertEqual(len(cidr_ipv4), len(routes)) |
|
|
|
def test_get_and_delete_gateway(self): |
|
gateways = (str(netaddr.IPNetwork(self.device_cidr_ipv4).ip), |
|
str(netaddr.IPNetwork(self.device_cidr_ipv6).ip + 1)) |
|
scopes = ('global', 'site', 'link') |
|
metrics = (None, 1, 255) |
|
tables = (None, 1, 254, 255) |
|
for gateway, scope, metric, table in itertools.product( |
|
gateways, scopes, metrics, tables): |
|
ip_version = utils.get_ip_version(gateway) |
|
self.device.route.add_gateway(gateway, scope=scope, metric=metric, |
|
table=table) |
|
self._assert_route(ip_version, cidr=None, via=gateway, scope=scope, |
|
metric=metric, table=table) |
|
self.assertEqual(gateway, self.device.route.get_gateway( |
|
ip_version=ip_version, table=table)['via']) |
|
|
|
self.device.route.delete_gateway(gateway, table=table, scope=scope) |
|
self.assertIsNone(self.device.route.get_gateway( |
|
ip_version=ip_version, table=table)) |
|
|
|
def test_delete_route(self): |
|
scopes = ('global', 'site', 'link') |
|
tables = (None, 1, 254, 255) |
|
for cidr, scope, table in itertools.product( |
|
self.cidrs, scopes, tables): |
|
ip_version = utils.get_ip_version(cidr) |
|
self.device.route.add_route(cidr, table=table, scope=scope) |
|
self._assert_route(ip_version, cidr=cidr, scope=scope, table=table) |
|
|
|
self.device.route.delete_route(cidr, table=table, scope=scope) |
|
self._assert_route(ip_version, cidr=cidr, scope=scope, table=table, |
|
not_in=True) |
|
|
|
def test_flush(self): |
|
tables = (None, 1, 200) |
|
ip_versions = (constants.IP_VERSION_4, constants.IP_VERSION_6) |
|
for cidr, table in itertools.product(self.cidrs, tables): |
|
self.device.route.add_route(cidr, table=table) |
|
|
|
for ip_version, table in itertools.product(ip_versions, tables): |
|
routes = self.device.route.list_routes(ip_version, table=table) |
|
self.assertGreater(len(routes), 0) |
|
self.device.route.flush(ip_version, table=table) |
|
routes = self.device.route.list_routes(ip_version, table=table) |
|
self.assertEqual([], routes) |
|
|
|
|
|
class IpAddrCommandTestCase(functional_base.BaseSudoTestCase): |
|
|
|
def setUp(self): |
|
super(IpAddrCommandTestCase, self).setUp() |
|
self.namespace = self.useFixture(net_helpers.NamespaceFixture()).name |
|
ip_lib.IPWrapper(self.namespace).add_dummy('test_device') |
|
self.device = ip_lib.IPDevice('test_device', namespace=self.namespace) |
|
self.device.link.set_up() |
|
|
|
def test_list_with_scope(self): |
|
scope_ip = [ |
|
('global', '192.168.100.1/24'), |
|
('global', '2001:db8::1/64'), |
|
('link', '192.168.101.1/24'), |
|
('link', 'fe80::1:1/64'), |
|
('site', 'fec0:0:0:f101::1/64'), |
|
('host', '192.168.102.1/24')] |
|
for scope, _ip in scope_ip: |
|
self.device.addr.add(_ip, scope=scope) |
|
|
|
devices = self.device.addr.list() |
|
devices_cidr = {device['cidr'] for device in devices} |
|
for scope in scope_ip: |
|
self.assertIn(scope[1], devices_cidr) |
|
|
|
for scope, _ip in scope_ip: |
|
devices_filtered = self.device.addr.list(scope=scope) |
|
devices_cidr = {device['cidr'] for device in devices_filtered} |
|
self.assertIn(_ip, devices_cidr) |
|
|
|
|
|
class GetDevicesWithIpTestCase(functional_base.BaseSudoTestCase): |
|
|
|
def setUp(self): |
|
super(GetDevicesWithIpTestCase, self).setUp() |
|
self.namespace = self.useFixture(net_helpers.NamespaceFixture()).name |
|
self.devices = [] |
|
self.num_devices = 5 |
|
self.num_devices_with_ip = 3 |
|
for idx in range(self.num_devices): |
|
dev_name = 'test_device_%s' % idx |
|
ip_lib.IPWrapper(self.namespace).add_dummy(dev_name) |
|
device = ip_lib.IPDevice(dev_name, namespace=self.namespace) |
|
device.link.set_up() |
|
self.devices.append(device) |
|
|
|
self.cidrs = [netaddr.IPNetwork('10.10.0.0/24'), |
|
netaddr.IPNetwork('10.20.0.0/24'), |
|
netaddr.IPNetwork('2001:db8:1234:1111::/64'), |
|
netaddr.IPNetwork('2001:db8:1234:2222::/64')] |
|
for idx in range(self.num_devices_with_ip): |
|
for cidr in self.cidrs: |
|
self.devices[idx].addr.add(str(cidr.ip + idx) + '/' + |
|
str(cidr.netmask.netmask_bits())) |
|
|
|
@staticmethod |
|
def _remove_loopback_interface(ip_addresses): |
|
return [ipa for ipa in ip_addresses if |
|
ipa['name'] != ip_lib.LOOPBACK_DEVNAME] |
|
|
|
@staticmethod |
|
def _remove_ipv6_scope_link(ip_addresses): |
|
# Remove all IPv6 addresses with scope link (fe80::...). |
|
return [ipa for ipa in ip_addresses if not ( |
|
ipa['scope'] == 'link' and utils.get_ip_version(ipa['cidr']))] |
|
|
|
@staticmethod |
|
def _pop_ip_address(ip_addresses, cidr): |
|
for idx, ip_address in enumerate(copy.deepcopy(ip_addresses)): |
|
if cidr == ip_address['cidr']: |
|
ip_addresses.pop(idx) |
|
return |
|
|
|
def test_get_devices_with_ip(self): |
|
ip_addresses = ip_lib.get_devices_with_ip(self.namespace) |
|
ip_addresses = self._remove_loopback_interface(ip_addresses) |
|
ip_addresses = self._remove_ipv6_scope_link(ip_addresses) |
|
self.assertEqual(self.num_devices_with_ip * len(self.cidrs), |
|
len(ip_addresses)) |
|
for idx in range(self.num_devices_with_ip): |
|
for cidr in self.cidrs: |
|
cidr = (str(cidr.ip + idx) + '/' + |
|
str(cidr.netmask.netmask_bits())) |
|
self._pop_ip_address(ip_addresses, cidr) |
|
|
|
self.assertEqual(0, len(ip_addresses)) |
|
|
|
def test_get_devices_with_ip_name(self): |
|
for idx in range(self.num_devices_with_ip): |
|
dev_name = 'test_device_%s' % idx |
|
ip_addresses = ip_lib.get_devices_with_ip(self.namespace, |
|
name=dev_name) |
|
ip_addresses = self._remove_loopback_interface(ip_addresses) |
|
ip_addresses = self._remove_ipv6_scope_link(ip_addresses) |
|
|
|
for cidr in self.cidrs: |
|
cidr = (str(cidr.ip + idx) + '/' + |
|
str(cidr.netmask.netmask_bits())) |
|
self._pop_ip_address(ip_addresses, cidr) |
|
|
|
self.assertEqual(0, len(ip_addresses)) |
|
|
|
for idx in range(self.num_devices_with_ip, self.num_devices): |
|
dev_name = 'test_device_%s' % idx |
|
ip_addresses = ip_lib.get_devices_with_ip(self.namespace, |
|
name=dev_name) |
|
ip_addresses = self._remove_loopback_interface(ip_addresses) |
|
ip_addresses = self._remove_ipv6_scope_link(ip_addresses) |
|
self.assertEqual(0, len(ip_addresses)) |
|
|
|
|
|
class IpLinkCommandTestCase(IpLibTestFramework): |
|
|
|
def test_set_netns(self): |
|
device_name = ('int_' + uuidutils.generate_uuid())[ |
|
:constants.DEVICE_NAME_MAX_LEN] |
|
device = ip_lib.IPDevice(device_name, kind='dummy') |
|
device.link.create() |
|
namespace = self.useFixture(net_helpers.NamespaceFixture()) |
|
device.link.set_netns(namespace.name)
|
|
|