506 lines
20 KiB
Python
506 lines
20 KiB
Python
# Copyright (c) 2014 OpenStack Foundation, all rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import mock
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from neutron_lib import constants as p_const
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from neutron_lib import context
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from neutron_lib import exceptions as exc
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from neutron_lib.plugins.ml2 import api
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from oslo_config import cfg
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from six import moves
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import testtools
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from testtools import matchers
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from neutron.objects import network_segment_range as obj_network_segment_range
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from neutron.plugins.ml2.drivers import type_tunnel
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TUNNEL_IP_ONE = "10.10.10.10"
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TUNNEL_IP_TWO = "10.10.10.20"
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TUNNEL_IPV6_ONE = "2001:db8:1::10"
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HOST_ONE = 'fake_host_one'
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HOST_TWO = 'fake_host_two'
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TUN_MIN = 100
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TUN_MAX = 109
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RAW_TUNNEL_RANGES = [str(TUN_MIN) + ':' + str(TUN_MAX)]
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TUNNEL_RANGES = [(TUN_MIN, TUN_MAX)]
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UPDATED_TUNNEL_RANGES = [(TUN_MIN + 5, TUN_MAX + 5)]
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SERVICE_PLUGIN_KLASS = ('neutron.services.network_segment_range.plugin.'
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'NetworkSegmentRangePlugin')
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class TunnelTypeTestMixin(object):
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DRIVER_CLASS = None
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TYPE = None
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def setUp(self):
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super(TunnelTypeTestMixin, self).setUp()
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self.driver = self.DRIVER_CLASS()
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self.driver.tunnel_ranges = TUNNEL_RANGES
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self.driver.sync_allocations()
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self.context = context.Context()
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def test_tunnel_type(self):
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self.assertEqual(self.TYPE, self.driver.get_type())
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def test_validate_provider_segment(self):
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segment = {api.NETWORK_TYPE: self.TYPE,
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api.PHYSICAL_NETWORK: 'phys_net',
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api.SEGMENTATION_ID: None}
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with testtools.ExpectedException(exc.InvalidInput):
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self.driver.validate_provider_segment(segment)
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segment[api.PHYSICAL_NETWORK] = None
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self.driver.validate_provider_segment(segment)
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segment[api.SEGMENTATION_ID] = 1
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self.driver.validate_provider_segment(segment)
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def test_sync_tunnel_allocations(self):
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self.assertIsNone(
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self.driver.get_allocation(self.context, (TUN_MIN - 1)))
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self.assertFalse(
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self.driver.get_allocation(self.context, (TUN_MIN)).allocated)
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self.assertFalse(
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self.driver.get_allocation(self.context, (TUN_MIN + 1)).allocated)
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self.assertFalse(
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self.driver.get_allocation(self.context, (TUN_MAX - 1)).allocated)
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self.assertFalse(
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self.driver.get_allocation(self.context, (TUN_MAX)).allocated)
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self.assertIsNone(
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self.driver.get_allocation(self.context, (TUN_MAX + 1)))
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self.driver.tunnel_ranges = UPDATED_TUNNEL_RANGES
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self.driver.sync_allocations()
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self.assertIsNone(
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self.driver.get_allocation(self.context, (TUN_MIN + 5 - 1)))
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self.assertFalse(
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self.driver.get_allocation(self.context, (TUN_MIN + 5)).allocated)
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self.assertFalse(
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self.driver.get_allocation(self.context,
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(TUN_MIN + 5 + 1)).allocated)
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self.assertFalse(
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self.driver.get_allocation(self.context,
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(TUN_MAX + 5 - 1)).allocated)
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self.assertFalse(
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self.driver.get_allocation(self.context, (TUN_MAX + 5)).allocated)
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self.assertIsNone(
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self.driver.get_allocation(self.context, (TUN_MAX + 5 + 1)))
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def _test_sync_allocations_and_allocated(self, tunnel_id):
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segment = {api.NETWORK_TYPE: self.TYPE,
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api.PHYSICAL_NETWORK: None,
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api.SEGMENTATION_ID: tunnel_id}
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self.driver.reserve_provider_segment(self.context, segment)
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self.driver.tunnel_ranges = UPDATED_TUNNEL_RANGES
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self.driver.sync_allocations()
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self.assertTrue(
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self.driver.get_allocation(self.context, tunnel_id).allocated)
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def test_sync_allocations_and_allocated_in_initial_range(self):
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self._test_sync_allocations_and_allocated(TUN_MIN + 2)
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def test_sync_allocations_and_allocated_in_final_range(self):
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self._test_sync_allocations_and_allocated(TUN_MAX + 2)
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def test_sync_allocations_no_op(self):
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def verify_no_chunk(iterable, chunk_size):
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# no segment removed/added
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self.assertEqual(0, len(list(iterable)))
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return []
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with mock.patch.object(
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type_tunnel, 'chunks', side_effect=verify_no_chunk) as chunks:
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self.driver.sync_allocations()
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self.assertEqual(2, len(chunks.mock_calls))
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def test_partial_segment_is_partial_segment(self):
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segment = {api.NETWORK_TYPE: self.TYPE,
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api.PHYSICAL_NETWORK: None,
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api.SEGMENTATION_ID: None}
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self.assertTrue(self.driver.is_partial_segment(segment))
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def test_specific_segment_is_not_partial_segment(self):
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segment = {api.NETWORK_TYPE: self.TYPE,
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api.PHYSICAL_NETWORK: None,
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api.SEGMENTATION_ID: 101}
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self.assertFalse(self.driver.is_partial_segment(segment))
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def test_reserve_provider_segment_full_specs(self):
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segment = {api.NETWORK_TYPE: self.TYPE,
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api.PHYSICAL_NETWORK: None,
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api.SEGMENTATION_ID: 101}
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observed = self.driver.reserve_provider_segment(self.context, segment)
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alloc = self.driver.get_allocation(self.context,
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observed[api.SEGMENTATION_ID])
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self.assertTrue(alloc.allocated)
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with testtools.ExpectedException(exc.TunnelIdInUse):
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self.driver.reserve_provider_segment(self.context, segment)
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self.driver.release_segment(self.context, segment)
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alloc = self.driver.get_allocation(self.context,
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observed[api.SEGMENTATION_ID])
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self.assertFalse(alloc.allocated)
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segment[api.SEGMENTATION_ID] = 1000
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observed = self.driver.reserve_provider_segment(self.context, segment)
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alloc = self.driver.get_allocation(self.context,
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observed[api.SEGMENTATION_ID])
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self.assertTrue(alloc.allocated)
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self.driver.release_segment(self.context, segment)
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alloc = self.driver.get_allocation(self.context,
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observed[api.SEGMENTATION_ID])
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self.assertIsNone(alloc)
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def test_reserve_provider_segment(self):
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tunnel_ids = set()
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specs = {api.NETWORK_TYPE: self.TYPE,
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api.PHYSICAL_NETWORK: 'None',
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api.SEGMENTATION_ID: None}
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for x in moves.range(TUN_MIN, TUN_MAX + 1):
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segment = self.driver.reserve_provider_segment(self.context,
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specs)
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self.assertEqual(self.TYPE, segment[api.NETWORK_TYPE])
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self.assertThat(segment[api.SEGMENTATION_ID],
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matchers.GreaterThan(TUN_MIN - 1))
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self.assertThat(segment[api.SEGMENTATION_ID],
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matchers.LessThan(TUN_MAX + 1))
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tunnel_ids.add(segment[api.SEGMENTATION_ID])
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with testtools.ExpectedException(exc.NoNetworkAvailable):
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segment = self.driver.reserve_provider_segment(self.context,
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specs)
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segment = {api.NETWORK_TYPE: self.TYPE,
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api.PHYSICAL_NETWORK: 'None',
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api.SEGMENTATION_ID: tunnel_ids.pop()}
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self.driver.release_segment(self.context, segment)
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segment = self.driver.reserve_provider_segment(self.context, specs)
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self.assertThat(segment[api.SEGMENTATION_ID],
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matchers.GreaterThan(TUN_MIN - 1))
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self.assertThat(segment[api.SEGMENTATION_ID],
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matchers.LessThan(TUN_MAX + 1))
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tunnel_ids.add(segment[api.SEGMENTATION_ID])
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for tunnel_id in tunnel_ids:
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segment[api.SEGMENTATION_ID] = tunnel_id
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self.driver.release_segment(self.context, segment)
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def test_allocate_tenant_segment(self):
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tunnel_ids = set()
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for x in moves.range(TUN_MIN, TUN_MAX + 1):
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segment = self.driver.allocate_tenant_segment(self.context)
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self.assertThat(segment[api.SEGMENTATION_ID],
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matchers.GreaterThan(TUN_MIN - 1))
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self.assertThat(segment[api.SEGMENTATION_ID],
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matchers.LessThan(TUN_MAX + 1))
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tunnel_ids.add(segment[api.SEGMENTATION_ID])
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segment = self.driver.allocate_tenant_segment(self.context)
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self.assertIsNone(segment)
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segment = {api.NETWORK_TYPE: self.TYPE,
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api.PHYSICAL_NETWORK: 'None',
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api.SEGMENTATION_ID: tunnel_ids.pop()}
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self.driver.release_segment(self.context, segment)
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segment = self.driver.allocate_tenant_segment(self.context)
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self.assertThat(segment[api.SEGMENTATION_ID],
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matchers.GreaterThan(TUN_MIN - 1))
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self.assertThat(segment[api.SEGMENTATION_ID],
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matchers.LessThan(TUN_MAX + 1))
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tunnel_ids.add(segment[api.SEGMENTATION_ID])
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for tunnel_id in tunnel_ids:
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segment[api.SEGMENTATION_ID] = tunnel_id
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self.driver.release_segment(self.context, segment)
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def add_endpoint(self, ip=TUNNEL_IP_ONE, host=HOST_ONE):
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return self.driver.add_endpoint(ip, host)
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def test_add_endpoint(self):
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endpoint = self.add_endpoint()
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self.assertEqual(TUNNEL_IP_ONE, endpoint.ip_address)
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self.assertEqual(HOST_ONE, endpoint.host)
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return endpoint
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def test_add_endpoint_for_existing_tunnel_ip(self):
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self.add_endpoint()
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with mock.patch.object(type_tunnel.LOG, 'warning') as log_warn:
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self.add_endpoint()
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log_warn.assert_called_once_with(mock.ANY, TUNNEL_IP_ONE)
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def test_get_endpoint_by_host(self):
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self.add_endpoint()
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host_endpoint = self.driver.get_endpoint_by_host(HOST_ONE)
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self.assertEqual(TUNNEL_IP_ONE, host_endpoint.ip_address)
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return host_endpoint
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def test_get_endpoint_by_host_for_not_existing_host(self):
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ip_endpoint = self.driver.get_endpoint_by_host(HOST_TWO)
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self.assertIsNone(ip_endpoint)
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def test_get_endpoint_by_ip(self):
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self.add_endpoint()
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ip_endpoint = self.driver.get_endpoint_by_ip(TUNNEL_IP_ONE)
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self.assertEqual(HOST_ONE, ip_endpoint.host)
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return ip_endpoint
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def test_get_endpoint_by_ip_for_not_existing_tunnel_ip(self):
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ip_endpoint = self.driver.get_endpoint_by_ip(TUNNEL_IP_TWO)
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self.assertIsNone(ip_endpoint)
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def test_delete_endpoint(self):
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self.add_endpoint()
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self.assertIsNone(self.driver.delete_endpoint(TUNNEL_IP_ONE))
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# Get all the endpoints and verify its empty
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endpoints = self.driver.get_endpoints()
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self.assertNotIn(TUNNEL_IP_ONE, endpoints)
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class TunnelTypeMultiRangeTestMixin(object):
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DRIVER_CLASS = None
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TUN_MIN0 = 100
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TUN_MAX0 = 101
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TUN_MIN1 = 200
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TUN_MAX1 = 201
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TUNNEL_MULTI_RANGES = [(TUN_MIN0, TUN_MAX0), (TUN_MIN1, TUN_MAX1)]
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def setUp(self):
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super(TunnelTypeMultiRangeTestMixin, self).setUp()
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self.driver = self.DRIVER_CLASS()
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self.driver.tunnel_ranges = self.TUNNEL_MULTI_RANGES
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self.driver.sync_allocations()
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self.context = context.Context()
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def test_release_segment(self):
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segments = [self.driver.allocate_tenant_segment(self.context)
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for i in range(4)]
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# Release them in random order. No special meaning.
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for i in (0, 2, 1, 3):
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self.driver.release_segment(self.context, segments[i])
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for key in (self.TUN_MIN0, self.TUN_MAX0,
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self.TUN_MIN1, self.TUN_MAX1):
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alloc = self.driver.get_allocation(self.context, key)
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self.assertFalse(alloc.allocated)
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class TunnelRpcCallbackTestMixin(object):
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DRIVER_CLASS = None
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TYPE = None
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def setUp(self):
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super(TunnelRpcCallbackTestMixin, self).setUp()
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self.driver = self.DRIVER_CLASS()
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def _test_tunnel_sync(self, kwargs, delete_tunnel=False):
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with mock.patch.object(self.notifier,
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'tunnel_update') as tunnel_update,\
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mock.patch.object(self.notifier,
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'tunnel_delete') as tunnel_delete:
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details = self.callbacks.tunnel_sync('fake_context', **kwargs)
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tunnels = details['tunnels']
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for tunnel in tunnels:
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self.assertEqual(kwargs['tunnel_ip'], tunnel['ip_address'])
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self.assertEqual(kwargs['host'], tunnel['host'])
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self.assertTrue(tunnel_update.called)
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if delete_tunnel:
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self.assertTrue(tunnel_delete.called)
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else:
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self.assertFalse(tunnel_delete.called)
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def _test_tunnel_sync_raises(self, kwargs):
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with mock.patch.object(self.notifier,
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'tunnel_update') as tunnel_update,\
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mock.patch.object(self.notifier,
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'tunnel_delete') as tunnel_delete:
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self.assertRaises(exc.InvalidInput,
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self.callbacks.tunnel_sync,
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'fake_context', **kwargs)
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self.assertFalse(tunnel_update.called)
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self.assertFalse(tunnel_delete.called)
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def test_tunnel_sync_called_without_host_passed(self):
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kwargs = {'tunnel_ip': TUNNEL_IP_ONE, 'tunnel_type': self.TYPE,
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'host': None}
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self._test_tunnel_sync(kwargs)
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def test_tunnel_sync_called_with_host_passed_for_existing_tunnel_ip(self):
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self.driver.add_endpoint(TUNNEL_IP_ONE, None)
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kwargs = {'tunnel_ip': TUNNEL_IP_ONE, 'tunnel_type': self.TYPE,
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'host': HOST_ONE}
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self._test_tunnel_sync(kwargs)
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def test_tunnel_sync_called_with_host_passed(self):
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kwargs = {'tunnel_ip': TUNNEL_IP_ONE, 'tunnel_type': self.TYPE,
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'host': HOST_ONE}
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self._test_tunnel_sync(kwargs)
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def test_tunnel_sync_called_with_host_passed_ipv6(self):
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cfg.CONF.set_override('overlay_ip_version', p_const.IP_VERSION_6,
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group='ml2')
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kwargs = {'tunnel_ip': TUNNEL_IPV6_ONE, 'tunnel_type': self.TYPE,
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'host': HOST_ONE}
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self._test_tunnel_sync(kwargs)
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def test_tunnel_sync_called_for_existing_endpoint(self):
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self.driver.add_endpoint(TUNNEL_IP_ONE, HOST_ONE)
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kwargs = {'tunnel_ip': TUNNEL_IP_ONE, 'tunnel_type': self.TYPE,
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'host': HOST_ONE}
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self._test_tunnel_sync(kwargs)
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def test_tunnel_sync_called_for_existing_host_with_tunnel_ip_changed(self):
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self.driver.add_endpoint(TUNNEL_IP_ONE, HOST_ONE)
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kwargs = {'tunnel_ip': TUNNEL_IP_TWO, 'tunnel_type': self.TYPE,
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'host': HOST_ONE}
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self._test_tunnel_sync(kwargs, True)
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def test_tunnel_sync_called_with_used_tunnel_ip_host_roaming(self):
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self.driver.add_endpoint(TUNNEL_IP_ONE, HOST_ONE)
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kwargs = {'tunnel_ip': TUNNEL_IP_ONE, 'tunnel_type': self.TYPE,
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'host': HOST_TWO}
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self._test_tunnel_sync(kwargs, False)
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def test_tunnel_sync_called_with_used_tunnel_ip_roaming_case_two(self):
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self.driver.add_endpoint(TUNNEL_IP_ONE, None)
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self.driver.add_endpoint(TUNNEL_IP_TWO, HOST_TWO)
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kwargs = {'tunnel_ip': TUNNEL_IP_ONE, 'tunnel_type': self.TYPE,
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'host': HOST_TWO}
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self._test_tunnel_sync(kwargs, False)
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def test_tunnel_sync_called_without_tunnel_ip(self):
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kwargs = {'tunnel_type': self.TYPE, 'host': None}
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self._test_tunnel_sync_raises(kwargs)
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def test_tunnel_sync_called_without_tunnel_type(self):
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kwargs = {'tunnel_ip': TUNNEL_IP_ONE, 'host': None}
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self._test_tunnel_sync_raises(kwargs)
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def test_tunnel_sync_called_with_tunnel_overlay_mismatch(self):
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cfg.CONF.set_override('overlay_ip_version', p_const.IP_VERSION_6,
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group='ml2')
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kwargs = {'tunnel_ip': TUNNEL_IP_ONE, 'tunnel_type': self.TYPE,
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'host': HOST_ONE}
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self._test_tunnel_sync_raises(kwargs)
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def test_tunnel_sync_called_with_tunnel_overlay_mismatch_ipv6(self):
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cfg.CONF.set_override('overlay_ip_version', p_const.IP_VERSION_4,
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group='ml2')
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kwargs = {'tunnel_ip': TUNNEL_IPV6_ONE, 'tunnel_type': self.TYPE,
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'host': HOST_ONE}
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self._test_tunnel_sync_raises(kwargs)
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class TunnelTypeMTUTestMixin(object):
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DRIVER_CLASS = None
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TYPE = None
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ENCAP_OVERHEAD = 0
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def setUp(self):
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super(TunnelTypeMTUTestMixin, self).setUp()
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self.driver = self.DRIVER_CLASS()
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def _test_get_mtu(self, ip_version):
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cfg.CONF.set_override('overlay_ip_version', ip_version,
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group='ml2')
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ip_header_length = p_const.IP_HEADER_LENGTH[ip_version]
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cfg.CONF.set_override('global_physnet_mtu', 1500)
|
|
cfg.CONF.set_override('path_mtu', 1475, group='ml2')
|
|
self.driver.physnet_mtus = {'physnet1': 1450, 'physnet2': 1400}
|
|
self.assertEqual(1475 - self.ENCAP_OVERHEAD - ip_header_length,
|
|
self.driver.get_mtu('physnet1'))
|
|
|
|
cfg.CONF.set_override('global_physnet_mtu', 1450)
|
|
cfg.CONF.set_override('path_mtu', 1475, group='ml2')
|
|
self.driver.physnet_mtus = {'physnet1': 1400, 'physnet2': 1425}
|
|
self.assertEqual(1450 - self.ENCAP_OVERHEAD - ip_header_length,
|
|
self.driver.get_mtu('physnet1'))
|
|
|
|
cfg.CONF.set_override('global_physnet_mtu', 0)
|
|
cfg.CONF.set_override('path_mtu', 1450, group='ml2')
|
|
self.driver.physnet_mtus = {'physnet1': 1425, 'physnet2': 1400}
|
|
self.assertEqual(1450 - self.ENCAP_OVERHEAD - ip_header_length,
|
|
self.driver.get_mtu('physnet1'))
|
|
|
|
cfg.CONF.set_override('global_physnet_mtu', 0)
|
|
cfg.CONF.set_override('path_mtu', 0, group='ml2')
|
|
self.driver.physnet_mtus = {}
|
|
self.assertEqual(0, self.driver.get_mtu('physnet1'))
|
|
|
|
def test_get_mtu_ipv4(self):
|
|
self._test_get_mtu(4)
|
|
|
|
def test_get_mtu_ipv6(self):
|
|
self._test_get_mtu(6)
|
|
|
|
|
|
class TunnelTypeNetworkSegmentRangeTestMixin(object):
|
|
|
|
DRIVER_CLASS = None
|
|
|
|
def setUp(self):
|
|
super(TunnelTypeNetworkSegmentRangeTestMixin, self).setUp()
|
|
cfg.CONF.set_override('service_plugins', [SERVICE_PLUGIN_KLASS])
|
|
self.context = context.Context()
|
|
self.driver = self.DRIVER_CLASS()
|
|
|
|
def test__populate_new_default_network_segment_ranges(self):
|
|
# _populate_new_default_network_segment_ranges will be called when
|
|
# the type driver initializes with `network_segment_range` loaded as
|
|
# one of the `service_plugins`
|
|
self.driver._initialize(RAW_TUNNEL_RANGES)
|
|
self.driver.initialize_network_segment_range_support()
|
|
self.driver.sync_allocations()
|
|
ret = obj_network_segment_range.NetworkSegmentRange.get_objects(
|
|
self.context)
|
|
self.assertEqual(1, len(ret))
|
|
network_segment_range = ret[0]
|
|
self.assertTrue(network_segment_range.default)
|
|
self.assertTrue(network_segment_range.shared)
|
|
self.assertIsNone(network_segment_range.project_id)
|
|
self.assertEqual(self.driver.get_type(),
|
|
network_segment_range.network_type)
|
|
self.assertIsNone(network_segment_range.physical_network)
|
|
self.assertEqual(TUN_MIN, network_segment_range.minimum)
|
|
self.assertEqual(TUN_MAX, network_segment_range.maximum)
|
|
|
|
def test__delete_expired_default_network_segment_ranges(self):
|
|
self.driver.tunnel_ranges = TUNNEL_RANGES
|
|
self.driver.sync_allocations()
|
|
self.driver._delete_expired_default_network_segment_ranges()
|
|
ret = obj_network_segment_range.NetworkSegmentRange.get_objects(
|
|
self.context)
|
|
self.assertEqual(0, len(ret))
|