209 lines
7.9 KiB
Python
209 lines
7.9 KiB
Python
# Copyright (c) 2013 OpenStack Foundation
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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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from six.moves import xrange
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import testtools
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from testtools import matchers
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from neutron.common import exceptions as exc
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import neutron.db.api as db
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from neutron.plugins.ml2 import driver_api as api
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from neutron.plugins.ml2.drivers import type_gre
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from neutron.tests import base
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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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TUN_MIN = 100
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TUN_MAX = 109
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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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class GreTypeTest(base.BaseTestCase):
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def setUp(self):
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super(GreTypeTest, self).setUp()
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db.configure_db()
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self.driver = type_gre.GreTypeDriver()
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self.driver.gre_id_ranges = TUNNEL_RANGES
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self.driver._sync_gre_allocations()
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self.session = db.get_session()
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self.addCleanup(db.clear_db)
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def test_validate_provider_segment(self):
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segment = {api.NETWORK_TYPE: 'gre',
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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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with testtools.ExpectedException(exc.InvalidInput):
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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_gre_allocation(self.session,
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(TUN_MIN - 1))
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)
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self.assertFalse(
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self.driver.get_gre_allocation(self.session,
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(TUN_MIN)).allocated
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)
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self.assertFalse(
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self.driver.get_gre_allocation(self.session,
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(TUN_MIN + 1)).allocated
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)
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self.assertFalse(
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self.driver.get_gre_allocation(self.session,
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(TUN_MAX - 1)).allocated
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)
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self.assertFalse(
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self.driver.get_gre_allocation(self.session,
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(TUN_MAX)).allocated
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)
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self.assertIsNone(
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self.driver.get_gre_allocation(self.session,
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(TUN_MAX + 1))
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)
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self.driver.gre_id_ranges = UPDATED_TUNNEL_RANGES
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self.driver._sync_gre_allocations()
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self.assertIsNone(
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self.driver.get_gre_allocation(self.session,
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(TUN_MIN + 5 - 1))
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)
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self.assertFalse(
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self.driver.get_gre_allocation(self.session,
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(TUN_MIN + 5)).allocated
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)
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self.assertFalse(
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self.driver.get_gre_allocation(self.session,
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(TUN_MIN + 5 + 1)).allocated
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)
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self.assertFalse(
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self.driver.get_gre_allocation(self.session,
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(TUN_MAX + 5 - 1)).allocated
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)
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self.assertFalse(
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self.driver.get_gre_allocation(self.session,
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(TUN_MAX + 5)).allocated
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)
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self.assertIsNone(
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self.driver.get_gre_allocation(self.session,
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(TUN_MAX + 5 + 1))
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)
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def test_reserve_provider_segment(self):
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segment = {api.NETWORK_TYPE: 'gre',
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api.PHYSICAL_NETWORK: 'None',
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api.SEGMENTATION_ID: 101}
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self.driver.reserve_provider_segment(self.session, segment)
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alloc = self.driver.get_gre_allocation(self.session,
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segment[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.session, segment)
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self.driver.release_segment(self.session, segment)
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alloc = self.driver.get_gre_allocation(self.session,
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segment[api.SEGMENTATION_ID])
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self.assertFalse(alloc.allocated)
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segment[api.SEGMENTATION_ID] = 1000
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self.driver.reserve_provider_segment(self.session, segment)
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alloc = self.driver.get_gre_allocation(self.session,
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segment[api.SEGMENTATION_ID])
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self.assertTrue(alloc.allocated)
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self.driver.release_segment(self.session, segment)
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alloc = self.driver.get_gre_allocation(self.session,
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segment[api.SEGMENTATION_ID])
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self.assertIsNone(alloc)
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def test_allocate_tenant_segment(self):
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tunnel_ids = set()
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for x in xrange(TUN_MIN, TUN_MAX + 1):
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segment = self.driver.allocate_tenant_segment(self.session)
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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.session)
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self.assertIsNone(segment)
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segment = {api.NETWORK_TYPE: 'gre',
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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.session, segment)
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segment = self.driver.allocate_tenant_segment(self.session)
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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.session, segment)
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def test_gre_endpoints(self):
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tun_1 = self.driver.add_endpoint(TUNNEL_IP_ONE)
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tun_2 = self.driver.add_endpoint(TUNNEL_IP_TWO)
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self.assertEqual(TUNNEL_IP_ONE, tun_1.ip_address)
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self.assertEqual(TUNNEL_IP_TWO, tun_2.ip_address)
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# Get all the endpoints
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endpoints = self.driver.get_endpoints()
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for endpoint in endpoints:
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self.assertIn(endpoint['ip_address'],
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[TUNNEL_IP_ONE, TUNNEL_IP_TWO])
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class GreTypeMultiRangeTest(base.BaseTestCase):
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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(GreTypeMultiRangeTest, self).setUp()
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db.configure_db()
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self.driver = type_gre.GreTypeDriver()
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self.driver.gre_id_ranges = self.TUNNEL_MULTI_RANGES
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self.driver._sync_gre_allocations()
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self.session = db.get_session()
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self.addCleanup(db.clear_db)
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def test_release_segment(self):
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segments = [self.driver.allocate_tenant_segment(self.session)
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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.session, 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_gre_allocation(self.session, key)
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self.assertFalse(alloc.allocated)
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