1103 lines
44 KiB
Python
1103 lines
44 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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import copy
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import itertools
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import signal
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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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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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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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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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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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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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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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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(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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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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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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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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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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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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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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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, 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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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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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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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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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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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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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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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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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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device.link.delete()
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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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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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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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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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# 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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# 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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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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destination6 = 'fd01::/64'
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device.route.add_route(destination6, "fd00::2")
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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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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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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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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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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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expected_neighs = [{'dst': TEST_IP_NEIGH,
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'lladdr': mac_address,
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'device': attr.name}]
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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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def test_get_neigh_entries_no_namespace(self):
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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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# trying to delete a non-existent entry shouldn't raise an error
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device.neigh.delete(TEST_IP_NEIGH, mac_address)
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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)
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def test_veth_exists(self):
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namespace1 = self.useFixture(net_helpers.NamespaceFixture())
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namespace2 = self.useFixture(net_helpers.NamespaceFixture())
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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)
|
|
self._check_for_device_name(namespace2.ip_wrapper, dev_name2, True)
|
|
self._check_for_device_name(namespace1.ip_wrapper, dev_name2, False)
|
|
self._check_for_device_name(namespace2.ip_wrapper, dev_name1, False)
|
|
|
|
# As it is veth pair, remove of device1 should be enough to remove
|
|
# both devices
|
|
device1.link.delete()
|
|
self._check_for_device_name(namespace1.ip_wrapper, dev_name1, False)
|
|
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()
|
|
src_dev = namespace.ip_wrapper.add_dummy(src_dev_name)
|
|
self.addCleanup(self._safe_delete_device, src_dev)
|
|
|
|
dev_name = utils.get_rand_name()
|
|
device = namespace.ip_wrapper.add_macvtap(dev_name, src_dev_name)
|
|
self.addCleanup(self._safe_delete_device, device)
|
|
|
|
self._check_for_device_name(namespace.ip_wrapper, dev_name, True)
|
|
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()
|
|
device = namespace.ip_wrapper.add_dummy(dev_name)
|
|
self.addCleanup(self._safe_delete_device, device)
|
|
self._check_for_device_name(namespace.ip_wrapper, dev_name, True)
|
|
device.link.delete()
|
|
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):
|
|
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().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))
|