1248 lines
56 KiB
Python
1248 lines
56 KiB
Python
# Copyright (c) 2016 Hewlett Packard Enterprise Development Company, L.P.
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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 mock
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import netaddr
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from neutron_lib import constants
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from neutron_lib import exceptions as n_exc
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from oslo_utils import uuidutils
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import webob.exc
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from neutron.api.v2 import attributes
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from neutron.callbacks import events
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from neutron.callbacks import registry
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from neutron.callbacks import resources
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from neutron import context
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from neutron.db import agents_db
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from neutron.db import agentschedulers_db
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from neutron.db import db_base_plugin_v2
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from neutron.db import portbindings_db
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from neutron.db import segments_db
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from neutron.extensions import ip_allocation
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from neutron.extensions import l2_adjacency
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from neutron.extensions import portbindings
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from neutron.extensions import segment as ext_segment
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from neutron.plugins.common import constants as p_constants
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from neutron.plugins.ml2 import config
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from neutron.services.segments import db
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from neutron.services.segments import exceptions as segment_exc
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from neutron.tests.common import helpers
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from neutron.tests.unit.db import test_db_base_plugin_v2
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SERVICE_PLUGIN_KLASS = 'neutron.services.segments.plugin.Plugin'
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TEST_PLUGIN_KLASS = (
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'neutron.tests.unit.extensions.test_segment.SegmentTestPlugin')
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DHCP_HOSTA = 'dhcp-host-a'
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DHCP_HOSTB = 'dhcp-host-b'
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HTTP_NOT_FOUND = 404
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class SegmentTestExtensionManager(object):
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def get_resources(self):
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# Add the resources to the global attribute map
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# This is done here as the setup process won't
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# initialize the main API router which extends
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# the global attribute map
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attributes.RESOURCE_ATTRIBUTE_MAP.update(
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ext_segment.RESOURCE_ATTRIBUTE_MAP)
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return ext_segment.Segment.get_resources()
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def get_actions(self):
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return []
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def get_request_extensions(self):
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return []
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class SegmentTestCase(test_db_base_plugin_v2.NeutronDbPluginV2TestCase):
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def setUp(self, plugin=None):
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if not plugin:
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plugin = TEST_PLUGIN_KLASS
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service_plugins = {'segments_plugin_name': SERVICE_PLUGIN_KLASS}
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ext_mgr = SegmentTestExtensionManager()
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super(SegmentTestCase, self).setUp(plugin=plugin, ext_mgr=ext_mgr,
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service_plugins=service_plugins)
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def _create_segment(self, fmt, expected_res_status=None, **kwargs):
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segment = {'segment': {}}
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for k, v in kwargs.items():
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segment['segment'][k] = str(v)
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segment_req = self.new_create_request(
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'segments', segment, fmt)
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segment_res = segment_req.get_response(self.ext_api)
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if expected_res_status:
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self.assertEqual(segment_res.status_int, expected_res_status)
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return segment_res
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def _make_segment(self, fmt, **kwargs):
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res = self._create_segment(fmt, **kwargs)
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if res.status_int >= webob.exc.HTTPClientError.code:
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res.charset = 'utf8'
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raise webob.exc.HTTPClientError(
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code=res.status_int, explanation=str(res))
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return self.deserialize(fmt, res)
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def segment(self, **kwargs):
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kwargs.setdefault('network_type', 'net_type')
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return self._make_segment(
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self.fmt, tenant_id=self._tenant_id, **kwargs)
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def _test_create_segment(self, expected=None, **kwargs):
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keys = kwargs.copy()
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segment = self.segment(**keys)
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self._validate_resource(segment, keys, 'segment')
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if expected:
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self._compare_resource(segment, expected, 'segment')
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return segment
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class SegmentTestPlugin(db_base_plugin_v2.NeutronDbPluginV2,
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portbindings_db.PortBindingMixin,
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db.SegmentDbMixin):
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__native_pagination_support = True
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__native_sorting_support = True
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supported_extension_aliases = ["segment", "binding", "ip_allocation"]
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def get_plugin_description(self):
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return "Network Segments"
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@classmethod
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def get_plugin_type(cls):
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return "segments"
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def create_port(self, context, port):
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port_dict = super(SegmentTestPlugin, self).create_port(context, port)
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self._process_portbindings_create_and_update(
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context, port['port'], port_dict)
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return port_dict
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def update_port(self, context, id, port):
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port_dict = super(SegmentTestPlugin, self).update_port(
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context, id, port)
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self._process_portbindings_create_and_update(
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context, port['port'], port_dict)
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return port_dict
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class TestSegment(SegmentTestCase):
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def test_create_segment(self):
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with self.network() as network:
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network = network['network']
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expected_segment = {'network_id': network['id'],
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'physical_network': 'phys_net',
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'network_type': 'net_type',
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'segmentation_id': 200}
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self._test_create_segment(network_id=network['id'],
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physical_network='phys_net',
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segmentation_id=200,
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expected=expected_segment)
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def test_create_segment_non_existent_network(self):
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exc = self.assertRaises(webob.exc.HTTPClientError,
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self._test_create_segment,
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network_id=uuidutils.generate_uuid(),
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physical_network='phys_net',
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segmentation_id=200)
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self.assertEqual(HTTP_NOT_FOUND, exc.code)
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self.assertIn('NetworkNotFound', exc.explanation)
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def test_create_segment_no_phys_net(self):
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with self.network() as network:
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network = network['network']
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expected_segment = {'network_id': network['id'],
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'physical_network': None,
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'network_type': 'net_type',
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'segmentation_id': 200}
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self._test_create_segment(network_id=network['id'],
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segmentation_id=200,
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expected=expected_segment)
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def test_create_segment_no_segmentation_id(self):
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with self.network() as network:
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network = network['network']
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expected_segment = {'network_id': network['id'],
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'physical_network': 'phys_net',
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'network_type': 'net_type',
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'segmentation_id': None}
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self._test_create_segment(network_id=network['id'],
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physical_network='phys_net',
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expected=expected_segment)
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def test_delete_segment(self):
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with self.network() as network:
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network = network['network']
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segment = self.segment(network_id=network['id'])
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self._delete('segments', segment['segment']['id'])
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self._show('segments', segment['segment']['id'],
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expected_code=webob.exc.HTTPNotFound.code)
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def test_get_segment(self):
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with self.network() as network:
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network = network['network']
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segment = self._test_create_segment(network_id=network['id'],
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physical_network='phys_net',
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segmentation_id=200)
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req = self.new_show_request('segments', segment['segment']['id'])
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res = self.deserialize(self.fmt, req.get_response(self.ext_api))
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self.assertEqual(segment['segment']['id'], res['segment']['id'])
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def test_list_segments(self):
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with self.network() as network:
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network = network['network']
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self._test_create_segment(network_id=network['id'],
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physical_network='phys_net1',
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segmentation_id=200)
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self._test_create_segment(network_id=network['id'],
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physical_network='phys_net2',
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segmentation_id=200)
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res = self._list('segments')
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self.assertEqual(2, len(res['segments']))
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class TestSegmentML2(SegmentTestCase):
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def setUp(self):
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super(TestSegmentML2, self).setUp(plugin='ml2')
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def test_segment_notification_on_create_network(self):
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with mock.patch.object(registry, 'notify') as notify:
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with self.network():
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pass
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notify.assert_any_call(resources.SEGMENT,
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events.PRECOMMIT_CREATE,
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context=mock.ANY,
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segment=mock.ANY,
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trigger=mock.ANY)
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class TestSegmentSubnetAssociation(SegmentTestCase):
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def test_basic_association(self):
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with self.network() as network:
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net = network['network']
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segment = self._test_create_segment(network_id=net['id'])
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segment_id = segment['segment']['id']
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with self.subnet(network=network, segment_id=segment_id) as subnet:
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subnet = subnet['subnet']
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request = self.new_show_request('subnets', subnet['id'])
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response = request.get_response(self.api)
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res = self.deserialize(self.fmt, response)
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self.assertEqual(segment_id,
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res['subnet']['segment_id'])
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def test_association_network_mismatch(self):
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with self.network() as network1:
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with self.network() as network2:
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net = network1['network']
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segment = self._test_create_segment(network_id=net['id'])
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res = self._create_subnet(self.fmt,
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net_id=network2['network']['id'],
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tenant_id=network2['network']['tenant_id'],
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gateway_ip=constants.ATTR_NOT_SPECIFIED,
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cidr='10.0.0.0/24',
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segment_id=segment['segment']['id'])
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self.assertEqual(webob.exc.HTTPBadRequest.code, res.status_int)
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def test_association_segment_not_found(self):
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with self.network() as network:
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net = network['network']
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segment_id = uuidutils.generate_uuid()
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res = self._create_subnet(self.fmt,
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net_id=net['id'],
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tenant_id=net['tenant_id'],
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gateway_ip=constants.ATTR_NOT_SPECIFIED,
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cidr='10.0.0.0/24',
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segment_id=segment_id)
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self.assertEqual(webob.exc.HTTPNotFound.code, res.status_int)
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def test_only_some_subnets_associated_not_allowed(self):
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with self.network() as network:
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with self.subnet(network=network):
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net = network['network']
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segment = self._test_create_segment(network_id=net['id'])
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res = self._create_subnet(self.fmt,
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net_id=net['id'],
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tenant_id=net['tenant_id'],
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gateway_ip=constants.ATTR_NOT_SPECIFIED,
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cidr='10.0.1.0/24',
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segment_id=segment['segment']['id'])
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self.assertEqual(webob.exc.HTTPBadRequest.code, res.status_int)
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def test_association_to_dynamic_segment_not_allowed(self):
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cxt = context.get_admin_context()
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with self.network() as network:
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net = network['network']
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# Can't create a dynamic segment through the API
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segment = {segments_db.NETWORK_TYPE: 'phys_net',
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segments_db.PHYSICAL_NETWORK: 'net_type',
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segments_db.SEGMENTATION_ID: 200}
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segments_db.add_network_segment(cxt,
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network_id=net['id'],
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segment=segment,
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is_dynamic=True)
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res = self._create_subnet(self.fmt,
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net_id=net['id'],
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tenant_id=net['tenant_id'],
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gateway_ip=constants.ATTR_NOT_SPECIFIED,
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cidr='10.0.0.0/24',
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segment_id=segment['id'])
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self.assertEqual(webob.exc.HTTPBadRequest.code, res.status_int)
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class HostSegmentMappingTestCase(SegmentTestCase):
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_mechanism_drivers = ['logger']
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def setUp(self, plugin=None):
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config.cfg.CONF.set_override('mechanism_drivers',
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self._mechanism_drivers,
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group='ml2')
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if not plugin:
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plugin = 'ml2'
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super(HostSegmentMappingTestCase, self).setUp(plugin=plugin)
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db.subscribe()
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def _get_segments_for_host(self, host):
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ctx = context.get_admin_context()
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segments_host_list = ctx.session.query(
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db.SegmentHostMapping).filter_by(host=host)
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return {seg_host['segment_id']: seg_host
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for seg_host in segments_host_list}
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def _register_agent(self, host, mappings=None, plugin=None,
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start_flag=True):
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helpers.register_ovs_agent(host=host, bridge_mappings=mappings,
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plugin=self.plugin, start_flag=start_flag)
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def _test_one_segment_one_host(self, host):
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physical_network = 'phys_net1'
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with self.network() as network:
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network = network['network']
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segment = self._test_create_segment(
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network_id=network['id'], physical_network=physical_network,
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segmentation_id=200, network_type=p_constants.TYPE_VLAN)['segment']
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self._register_agent(host, mappings={physical_network: 'br-eth-1'},
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plugin=self.plugin)
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segments_host_db = self._get_segments_for_host(host)
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self.assertEqual(1, len(segments_host_db))
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self.assertEqual(segment['id'],
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segments_host_db[segment['id']]['segment_id'])
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self.assertEqual(host, segments_host_db[segment['id']]['host'])
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return segment
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class TestMl2HostSegmentMappingNoAgent(HostSegmentMappingTestCase):
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def setUp(self, plugin=None):
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if not plugin:
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plugin = TEST_PLUGIN_KLASS
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super(TestMl2HostSegmentMappingNoAgent, self).setUp(plugin=plugin)
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def test_update_segment_host_mapping(self):
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ctx = context.get_admin_context()
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host = 'host1'
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physnets = ['phys_net1']
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with self.network() as network:
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network = network['network']
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segment = self._test_create_segment(
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network_id=network['id'], physical_network='phys_net1',
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segmentation_id=200, network_type=p_constants.TYPE_VLAN)['segment']
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self._test_create_segment(
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network_id=network['id'], physical_network='phys_net2',
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segmentation_id=201, network_type=p_constants.TYPE_VLAN)['segment']
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segments = db.get_segments_with_phys_nets(ctx, physnets)
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segment_ids = {segment['id'] for segment in segments}
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db.update_segment_host_mapping(ctx, host, segment_ids)
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segments_host_db = self._get_segments_for_host(host)
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self.assertEqual(1, len(segments_host_db))
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self.assertEqual(segment['id'],
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segments_host_db[segment['id']]['segment_id'])
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self.assertEqual(host, segments_host_db[segment['id']]['host'])
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def test_map_segment_to_hosts(self):
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ctx = context.get_admin_context()
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hosts = {'host1', 'host2', 'host3'}
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with self.network() as network:
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network = network['network']
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segment = self._test_create_segment(
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network_id=network['id'], physical_network='phys_net1',
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segmentation_id=200, network_type=p_constants.TYPE_VLAN)['segment']
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db.map_segment_to_hosts(ctx, segment['id'], hosts)
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updated_segment = self.plugin.get_segment(ctx, segment['id'])
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self.assertEqual(hosts, set(updated_segment['hosts']))
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def test_get_all_hosts_mapped_with_segments(self):
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ctx = context.get_admin_context()
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hosts = set()
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with self.network() as network:
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network_id = network['network']['id']
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for i in range(1, 3):
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host = "host%s" % i
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segment = self._test_create_segment(
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network_id=network_id, physical_network='phys_net%s' % i,
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segmentation_id=200 + i, network_type=p_constants.TYPE_VLAN)
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db.update_segment_host_mapping(
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ctx, host, {segment['segment']['id']})
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hosts.add(host)
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# Now they are 2 hosts with segment being mapped.
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actual_hosts = db.get_hosts_mapped_with_segments(ctx)
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self.assertEqual(hosts, actual_hosts)
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class TestMl2HostSegmentMappingOVS(HostSegmentMappingTestCase):
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_mechanism_drivers = ['openvswitch', 'logger']
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mock_path = 'neutron.services.segments.db.update_segment_host_mapping'
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def test_new_agent(self):
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host = 'host1'
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self._test_one_segment_one_host(host)
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def test_updated_agent_changed_physical_networks(self):
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host = 'host1'
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physical_networks = ['phys_net1', 'phys_net2']
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networks = []
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segments = []
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for i in range(len(physical_networks)):
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with self.network() as network:
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networks.append(network['network'])
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segments.append(self._test_create_segment(
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network_id=networks[i]['id'],
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physical_network=physical_networks[i],
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segmentation_id=200,
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network_type=p_constants.TYPE_VLAN)['segment'])
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self._register_agent(host, mappings={physical_networks[0]: 'br-eth-1',
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physical_networks[1]: 'br-eth-2'},
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plugin=self.plugin)
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segments_host_db = self._get_segments_for_host(host)
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self.assertEqual(len(physical_networks), len(segments_host_db))
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for segment in segments:
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self.assertEqual(segment['id'],
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segments_host_db[segment['id']]['segment_id'])
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self.assertEqual(host, segments_host_db[segment['id']]['host'])
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self._register_agent(host, mappings={physical_networks[0]: 'br-eth-1'},
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plugin=self.plugin)
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segments_host_db = self._get_segments_for_host(host)
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self.assertEqual(1, len(segments_host_db))
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self.assertEqual(segments[0]['id'],
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segments_host_db[segments[0]['id']]['segment_id'])
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self.assertEqual(host, segments_host_db[segments[0]['id']]['host'])
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def test_same_segment_two_hosts(self):
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host1 = 'host1'
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host2 = 'host2'
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physical_network = 'phys_net1'
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segment = self._test_one_segment_one_host(host1)
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self._register_agent(host2, mappings={physical_network: 'br-eth-1'},
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plugin=self.plugin)
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segments_host_db = self._get_segments_for_host(host2)
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self.assertEqual(1, len(segments_host_db))
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self.assertEqual(segment['id'],
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segments_host_db[segment['id']]['segment_id'])
|
|
self.assertEqual(host2, segments_host_db[segment['id']]['host'])
|
|
|
|
def test_update_agent_only_change_agent_host_mapping(self):
|
|
host1 = 'host1'
|
|
host2 = 'host2'
|
|
physical_network = 'phys_net1'
|
|
with self.network() as network:
|
|
network = network['network']
|
|
segment1 = self._test_create_segment(
|
|
network_id=network['id'],
|
|
physical_network=physical_network,
|
|
segmentation_id=200,
|
|
network_type=p_constants.TYPE_VLAN)['segment']
|
|
self._register_agent(host1, mappings={physical_network: 'br-eth-1'},
|
|
plugin=self.plugin)
|
|
self._register_agent(host2, mappings={physical_network: 'br-eth-1'},
|
|
plugin=self.plugin)
|
|
|
|
# Update agent at host2 should only change mapping with host2.
|
|
other_phys_net = 'phys_net2'
|
|
segment2 = self._test_create_segment(
|
|
network_id=network['id'],
|
|
physical_network=other_phys_net,
|
|
segmentation_id=201,
|
|
network_type=p_constants.TYPE_VLAN)['segment']
|
|
self._register_agent(host2, mappings={other_phys_net: 'br-eth-2'},
|
|
plugin=self.plugin)
|
|
# We should have segment1 map to host1 and segment2 map to host2 now
|
|
segments_host_db1 = self._get_segments_for_host(host1)
|
|
self.assertEqual(1, len(segments_host_db1))
|
|
self.assertEqual(segment1['id'],
|
|
segments_host_db1[segment1['id']]['segment_id'])
|
|
self.assertEqual(host1, segments_host_db1[segment1['id']]['host'])
|
|
segments_host_db2 = self._get_segments_for_host(host2)
|
|
self.assertEqual(1, len(segments_host_db2))
|
|
self.assertEqual(segment2['id'],
|
|
segments_host_db2[segment2['id']]['segment_id'])
|
|
self.assertEqual(host2, segments_host_db2[segment2['id']]['host'])
|
|
|
|
def test_new_segment_after_host_reg(self):
|
|
host1 = 'host1'
|
|
physical_network = 'phys_net1'
|
|
segment = self._test_one_segment_one_host(host1)
|
|
with self.network() as network:
|
|
network = network['network']
|
|
segment2 = self._test_create_segment(
|
|
network_id=network['id'], physical_network=physical_network,
|
|
segmentation_id=200, network_type=p_constants.TYPE_VLAN)['segment']
|
|
segments_host_db = self._get_segments_for_host(host1)
|
|
self.assertEqual(set((segment['id'], segment2['id'])),
|
|
set(segments_host_db))
|
|
|
|
def test_segment_deletion_removes_host_mapping(self):
|
|
host = 'host1'
|
|
segment = self._test_one_segment_one_host(host)
|
|
self._delete('segments', segment['id'])
|
|
segments_host_db = self._get_segments_for_host(host)
|
|
self.assertFalse(segments_host_db)
|
|
|
|
@mock.patch(mock_path)
|
|
def test_agent_with_no_mappings(self, mock):
|
|
host = 'host1'
|
|
physical_network = 'phys_net1'
|
|
with self.network() as network:
|
|
network = network['network']
|
|
self._test_create_segment(
|
|
network_id=network['id'], physical_network=physical_network,
|
|
segmentation_id=200, network_type=p_constants.TYPE_VLAN)
|
|
self._register_agent(host, plugin=self.plugin)
|
|
segments_host_db = self._get_segments_for_host(host)
|
|
self.assertFalse(segments_host_db)
|
|
self.assertFalse(mock.mock_calls)
|
|
|
|
|
|
class TestMl2HostSegmentMappingLinuxBridge(TestMl2HostSegmentMappingOVS):
|
|
_mechanism_drivers = ['linuxbridge', 'logger']
|
|
|
|
def _register_agent(self, host, mappings=None, plugin=None):
|
|
helpers.register_linuxbridge_agent(host=host,
|
|
bridge_mappings=mappings,
|
|
plugin=self.plugin)
|
|
|
|
|
|
class TestMl2HostSegmentMappingMacvtap(TestMl2HostSegmentMappingOVS):
|
|
_mechanism_drivers = ['macvtap', 'logger']
|
|
|
|
def _register_agent(self, host, mappings=None, plugin=None):
|
|
helpers.register_macvtap_agent(host=host, interface_mappings=mappings,
|
|
plugin=self.plugin)
|
|
|
|
|
|
class TestMl2HostSegmentMappingSriovNicSwitch(TestMl2HostSegmentMappingOVS):
|
|
_mechanism_drivers = ['sriovnicswitch', 'logger']
|
|
|
|
def _register_agent(self, host, mappings=None, plugin=None):
|
|
helpers.register_sriovnicswitch_agent(host=host,
|
|
device_mappings=mappings,
|
|
plugin=self.plugin)
|
|
|
|
|
|
class NoSupportHostSegmentMappingPlugin(db_base_plugin_v2.NeutronDbPluginV2,
|
|
db.SegmentDbMixin,
|
|
agents_db.AgentDbMixin):
|
|
__native_pagination_support = True
|
|
__native_sorting_support = True
|
|
|
|
supported_extension_aliases = []
|
|
|
|
|
|
class TestHostSegmentMappingNoSupportFromPlugin(HostSegmentMappingTestCase):
|
|
mock_path = 'neutron.services.segments.db.update_segment_host_mapping'
|
|
|
|
def setUp(self):
|
|
plugin = ('neutron.tests.unit.extensions.test_segment.'
|
|
'NoSupportHostSegmentMappingPlugin')
|
|
super(TestHostSegmentMappingNoSupportFromPlugin, self).setUp(
|
|
plugin=plugin)
|
|
|
|
@mock.patch(mock_path)
|
|
def test_host_segments_not_updated(self, mock):
|
|
host = 'host1'
|
|
physical_network = 'phys_net1'
|
|
with self.network() as network:
|
|
network = network['network']
|
|
self._test_create_segment(network_id=network['id'],
|
|
physical_network=physical_network,
|
|
segmentation_id=200,
|
|
network_type=p_constants.TYPE_VLAN)
|
|
self._register_agent(host, mappings={physical_network: 'br-eth-1'},
|
|
plugin=self.plugin)
|
|
segments_host_db = self._get_segments_for_host(host)
|
|
self.assertFalse(segments_host_db)
|
|
self.assertFalse(mock.mock_calls)
|
|
|
|
|
|
class TestMl2HostSegmentMappingAgentServerSynch(HostSegmentMappingTestCase):
|
|
_mechanism_drivers = ['openvswitch', 'logger']
|
|
mock_path = 'neutron.services.segments.db.update_segment_host_mapping'
|
|
|
|
@mock.patch(mock_path)
|
|
def test_starting_server_processes_agents(self, mock_function):
|
|
host = 'agent_updating_starting_server'
|
|
physical_network = 'phys_net1'
|
|
self._register_agent(host, mappings={physical_network: 'br-eth-1'},
|
|
plugin=self.plugin, start_flag=False)
|
|
self.assertTrue(host in db.reported_hosts)
|
|
self.assertEqual(1, mock_function.call_count)
|
|
expected_call = mock.call(mock.ANY, host, set())
|
|
mock_function.assert_has_calls([expected_call])
|
|
|
|
@mock.patch(mock_path)
|
|
def test_starting_agent_is_processed(self, mock_function):
|
|
host = 'starting_agent'
|
|
physical_network = 'phys_net1'
|
|
self._register_agent(host, mappings={physical_network: 'br-eth-1'},
|
|
plugin=self.plugin, start_flag=False)
|
|
self.assertTrue(host in db.reported_hosts)
|
|
self._register_agent(host, mappings={physical_network: 'br-eth-1'},
|
|
plugin=self.plugin, start_flag=True)
|
|
self.assertTrue(host in db.reported_hosts)
|
|
self.assertEqual(2, mock_function.call_count)
|
|
expected_call = mock.call(mock.ANY, host, set())
|
|
mock_function.assert_has_calls([expected_call, expected_call])
|
|
|
|
@mock.patch(mock_path)
|
|
def test_no_starting_agent_is_not_processed(self, mock_function):
|
|
host = 'agent_with_no_start_update'
|
|
physical_network = 'phys_net1'
|
|
self._register_agent(host, mappings={physical_network: 'br-eth-1'},
|
|
plugin=self.plugin, start_flag=False)
|
|
self.assertTrue(host in db.reported_hosts)
|
|
mock_function.reset_mock()
|
|
self._register_agent(host, mappings={physical_network: 'br-eth-1'},
|
|
plugin=self.plugin, start_flag=False)
|
|
self.assertTrue(host in db.reported_hosts)
|
|
mock_function.assert_not_called()
|
|
|
|
|
|
class TestSegmentAwareIpam(SegmentTestCase):
|
|
def _setup_host_mappings(self, mappings=()):
|
|
ctx = context.get_admin_context()
|
|
with ctx.session.begin(subtransactions=True):
|
|
for segment_id, host in mappings:
|
|
record = db.SegmentHostMapping(
|
|
segment_id=segment_id,
|
|
host=host)
|
|
ctx.session.add(record)
|
|
|
|
def _create_test_segment_with_subnet(self,
|
|
network=None,
|
|
cidr='2001:db8:0:0::/64',
|
|
physnet='physnet'):
|
|
"""Creates one network with one segment and one subnet"""
|
|
if not network:
|
|
with self.network() as network:
|
|
pass
|
|
|
|
segment = self._test_create_segment(
|
|
network_id=network['network']['id'],
|
|
physical_network=physnet)
|
|
|
|
ip_version = netaddr.IPNetwork(cidr).version if cidr else None
|
|
with self.subnet(network=network,
|
|
segment_id=segment['segment']['id'],
|
|
ip_version=ip_version,
|
|
cidr=cidr) as subnet:
|
|
self._validate_l2_adjacency(network['network']['id'],
|
|
is_adjacent=False)
|
|
return network, segment, subnet
|
|
|
|
def _create_test_segments_with_subnets(self, num):
|
|
"""Creates one network with num segments and num subnets"""
|
|
with self.network() as network:
|
|
segments, subnets = [], []
|
|
for i in range(num):
|
|
cidr = '2001:db8:0:%s::/64' % i
|
|
physnet = 'physnet%s' % i
|
|
_net, segment, subnet = self._create_test_segment_with_subnet(
|
|
network=network, cidr=cidr, physnet=physnet)
|
|
segments.append(segment)
|
|
subnets.append(subnet)
|
|
return network, segments, subnets
|
|
|
|
def test_port_create_with_segment_subnets(self):
|
|
"""No binding information is provided, defer IP allocation"""
|
|
network, segment, subnet = self._create_test_segment_with_subnet()
|
|
response = self._create_port(self.fmt,
|
|
net_id=network['network']['id'],
|
|
tenant_id=network['network']['tenant_id'])
|
|
res = self.deserialize(self.fmt, response)
|
|
# Don't allocate IPs in this case because we didn't give binding info
|
|
self.assertEqual(0, len(res['port']['fixed_ips']))
|
|
|
|
def _assert_one_ip_in_subnet(self, response, cidr):
|
|
res = self.deserialize(self.fmt, response)
|
|
self.assertEqual(1, len(res['port']['fixed_ips']))
|
|
ip = res['port']['fixed_ips'][0]['ip_address']
|
|
ip_net = netaddr.IPNetwork(cidr)
|
|
self.assertIn(ip, ip_net)
|
|
|
|
def test_port_create_with_binding_information(self):
|
|
"""Binding information is provided, subnets are on segments"""
|
|
network, segments, subnets = self._create_test_segments_with_subnets(3)
|
|
|
|
# Map the host to the middle segment (by mocking host/segment mapping)
|
|
self._setup_host_mappings([
|
|
(segments[1]['segment']['id'], 'fakehost'),
|
|
(segments[1]['segment']['id'], 'otherhost'),
|
|
(segments[0]['segment']['id'], 'thirdhost')])
|
|
|
|
response = self._create_port(self.fmt,
|
|
net_id=network['network']['id'],
|
|
tenant_id=network['network']['tenant_id'],
|
|
arg_list=(portbindings.HOST_ID,),
|
|
**{portbindings.HOST_ID: 'fakehost'})
|
|
res = self.deserialize(self.fmt, response)
|
|
self._validate_immediate_ip_allocation(res['port']['id'])
|
|
|
|
# Since host mapped to middle segment, IP must come from middle subnet
|
|
self._assert_one_ip_in_subnet(response, subnets[1]['subnet']['cidr'])
|
|
|
|
def test_port_create_with_binding_and_no_subnets(self):
|
|
"""Binding information is provided, no subnets."""
|
|
with self.network() as network:
|
|
segment = self._test_create_segment(
|
|
network_id=network['network']['id'],
|
|
physical_network='physnet')
|
|
|
|
# Map the host to the segment
|
|
self._setup_host_mappings([(segment['segment']['id'], 'fakehost')])
|
|
|
|
response = self._create_port(self.fmt,
|
|
net_id=network['network']['id'],
|
|
tenant_id=network['network']['tenant_id'],
|
|
arg_list=(portbindings.HOST_ID,),
|
|
**{portbindings.HOST_ID: 'fakehost'})
|
|
res = self.deserialize(self.fmt, response)
|
|
|
|
# No subnets, so no allocation. But, it shouldn't be an error.
|
|
self.assertEqual(0, len(res['port']['fixed_ips']))
|
|
|
|
def test_port_create_with_binding_information_fallback(self):
|
|
"""Binding information is provided, subnets not on segments"""
|
|
with self.network() as network:
|
|
with self.subnet(network=network,
|
|
ip_version=6,
|
|
cidr='2001:db8:0:0::/64') as subnet:
|
|
segment = self._test_create_segment(
|
|
network_id=network['network']['id'],
|
|
physical_network='physnet')
|
|
|
|
self._validate_l2_adjacency(network['network']['id'], is_adjacent=True)
|
|
|
|
# Map the host to the segment
|
|
self._setup_host_mappings([(segment['segment']['id'], 'fakehost')])
|
|
|
|
response = self._create_port(self.fmt,
|
|
net_id=network['network']['id'],
|
|
tenant_id=network['network']['tenant_id'],
|
|
arg_list=(portbindings.HOST_ID,),
|
|
**{portbindings.HOST_ID: 'fakehost'})
|
|
|
|
res = self.deserialize(self.fmt, response)
|
|
self._validate_immediate_ip_allocation(res['port']['id'])
|
|
|
|
# Since the subnet is not on a segment, fall back to it
|
|
self._assert_one_ip_in_subnet(response, subnet['subnet']['cidr'])
|
|
|
|
def test_port_create_on_unconnected_host(self):
|
|
"""Binding information provided, host not connected to any segment"""
|
|
network, segment, _subnet = self._create_test_segment_with_subnet()
|
|
response = self._create_port(self.fmt,
|
|
net_id=network['network']['id'],
|
|
tenant_id=network['network']['tenant_id'],
|
|
arg_list=(portbindings.HOST_ID,),
|
|
**{portbindings.HOST_ID: 'fakehost'})
|
|
res = self.deserialize(self.fmt, response)
|
|
|
|
self.assertEqual(webob.exc.HTTPConflict.code, response.status_int)
|
|
self.assertEqual(segment_exc.HostNotConnectedToAnySegment.__name__,
|
|
res['NeutronError']['type'])
|
|
|
|
# Ensure that mapping the segment to other hosts doesn't trip it up
|
|
self._setup_host_mappings([(segment['segment']['id'], 'otherhost')])
|
|
response = self._create_port(self.fmt,
|
|
net_id=network['network']['id'],
|
|
tenant_id=network['network']['tenant_id'],
|
|
arg_list=(portbindings.HOST_ID,),
|
|
**{portbindings.HOST_ID: 'fakehost'})
|
|
res = self.deserialize(self.fmt, response)
|
|
|
|
self.assertEqual(webob.exc.HTTPConflict.code, response.status_int)
|
|
self.assertEqual(segment_exc.HostNotConnectedToAnySegment.__name__,
|
|
res['NeutronError']['type'])
|
|
|
|
def test_port_create_on_multiconnected_host(self):
|
|
"""Binding information provided, host connected to multiple segments"""
|
|
network, segments, subnets = self._create_test_segments_with_subnets(2)
|
|
|
|
# This host is bound to multiple hosts
|
|
self._setup_host_mappings([(segments[0]['segment']['id'], 'fakehost'),
|
|
(segments[1]['segment']['id'], 'fakehost')])
|
|
|
|
response = self._create_port(self.fmt,
|
|
net_id=network['network']['id'],
|
|
tenant_id=network['network']['tenant_id'],
|
|
arg_list=(portbindings.HOST_ID,),
|
|
**{portbindings.HOST_ID: 'fakehost'})
|
|
res = self.deserialize(self.fmt, response)
|
|
|
|
self.assertEqual(webob.exc.HTTPConflict.code, response.status_int)
|
|
self.assertEqual(segment_exc.HostConnectedToMultipleSegments.__name__,
|
|
res['NeutronError']['type'])
|
|
|
|
def test_port_update_excludes_hosts_on_segments(self):
|
|
"""No binding information is provided, subnets on segments"""
|
|
with self.network() as network:
|
|
segment = self._test_create_segment(
|
|
network_id=network['network']['id'],
|
|
physical_network='physnet')
|
|
|
|
# Create a port with no IP address (since there is no subnet)
|
|
port = self._create_deferred_ip_port(network)
|
|
|
|
# Create the subnet and try to update the port to get an IP
|
|
with self.subnet(network=network,
|
|
segment_id=segment['segment']['id']) as subnet:
|
|
# Try requesting an IP (but the only subnet is on a segment)
|
|
data = {'port': {
|
|
'fixed_ips': [{'subnet_id': subnet['subnet']['id']}]}}
|
|
port_id = port['port']['id']
|
|
port_req = self.new_update_request('ports', data, port_id)
|
|
response = port_req.get_response(self.api)
|
|
|
|
# Gets bad request because there are no eligible subnets.
|
|
self.assertEqual(webob.exc.HTTPBadRequest.code, response.status_int)
|
|
|
|
def test_port_without_ip_not_deferred(self):
|
|
"""Ports without addresses on non-routed networks are not deferred"""
|
|
with self.network() as network:
|
|
pass
|
|
|
|
# Create a bound port with no IP address (since there is no subnet)
|
|
response = self._create_port(self.fmt,
|
|
net_id=network['network']['id'],
|
|
tenant_id=network['network']['tenant_id'],
|
|
arg_list=(portbindings.HOST_ID,),
|
|
**{portbindings.HOST_ID: 'fakehost'})
|
|
port = self.deserialize(self.fmt, response)
|
|
request = self.new_show_request('ports', port['port']['id'])
|
|
response = self.deserialize(self.fmt, request.get_response(self.api))
|
|
|
|
self.assertEqual(ip_allocation.IP_ALLOCATION_IMMEDIATE,
|
|
response['port'][ip_allocation.IP_ALLOCATION])
|
|
|
|
def test_port_update_is_host_aware(self):
|
|
"""Binding information is provided, subnets on segments"""
|
|
with self.network() as network:
|
|
segment = self._test_create_segment(
|
|
network_id=network['network']['id'],
|
|
physical_network='physnet')
|
|
|
|
# Map the host to the segment
|
|
self._setup_host_mappings([(segment['segment']['id'], 'fakehost')])
|
|
|
|
# Create a bound port with no IP address (since there is no subnet)
|
|
response = self._create_port(self.fmt,
|
|
net_id=network['network']['id'],
|
|
tenant_id=network['network']['tenant_id'],
|
|
arg_list=(portbindings.HOST_ID,),
|
|
**{portbindings.HOST_ID: 'fakehost'})
|
|
port = self.deserialize(self.fmt, response)
|
|
|
|
# Create the subnet and try to update the port to get an IP
|
|
with self.subnet(network=network,
|
|
segment_id=segment['segment']['id']) as subnet:
|
|
self._validate_deferred_ip_allocation(port['port']['id'])
|
|
self._validate_l2_adjacency(network['network']['id'],
|
|
is_adjacent=False)
|
|
# Try requesting an IP (but the only subnet is on a segment)
|
|
data = {'port': {
|
|
'fixed_ips': [{'subnet_id': subnet['subnet']['id']}]}}
|
|
port_id = port['port']['id']
|
|
port_req = self.new_update_request('ports', data, port_id)
|
|
response = port_req.get_response(self.api)
|
|
|
|
# Since port is bound and there is a mapping to segment, it succeeds.
|
|
self.assertEqual(webob.exc.HTTPOk.code, response.status_int)
|
|
self._assert_one_ip_in_subnet(response, subnet['subnet']['cidr'])
|
|
|
|
def _validate_l2_adjacency(self, network_id, is_adjacent):
|
|
request = self.new_show_request('networks', network_id)
|
|
response = self.deserialize(self.fmt, request.get_response(self.api))
|
|
self.assertEqual(is_adjacent,
|
|
response['network'][l2_adjacency.L2_ADJACENCY])
|
|
|
|
def _validate_deferred_ip_allocation(self, port_id):
|
|
request = self.new_show_request('ports', port_id)
|
|
response = self.deserialize(self.fmt, request.get_response(self.api))
|
|
|
|
self.assertEqual(ip_allocation.IP_ALLOCATION_DEFERRED,
|
|
response['port'][ip_allocation.IP_ALLOCATION])
|
|
ips = response['port']['fixed_ips']
|
|
self.assertEqual(0, len(ips))
|
|
|
|
def _validate_immediate_ip_allocation(self, port_id):
|
|
request = self.new_show_request('ports', port_id)
|
|
response = self.deserialize(self.fmt, request.get_response(self.api))
|
|
|
|
self.assertEqual(ip_allocation.IP_ALLOCATION_IMMEDIATE,
|
|
response['port'][ip_allocation.IP_ALLOCATION])
|
|
ips = response['port']['fixed_ips']
|
|
self.assertNotEqual(0, len(ips))
|
|
|
|
def _create_deferred_ip_port(self, network):
|
|
response = self._create_port(self.fmt,
|
|
net_id=network['network']['id'],
|
|
tenant_id=network['network']['tenant_id'])
|
|
port = self.deserialize(self.fmt, response)
|
|
ips = port['port']['fixed_ips']
|
|
self.assertEqual(0, len(ips))
|
|
|
|
return port
|
|
|
|
def test_port_update_deferred_allocation(self):
|
|
"""Binding information is provided on update, subnets on segments"""
|
|
network, segment, subnet = self._create_test_segment_with_subnet()
|
|
|
|
# Map the host to the segment
|
|
self._setup_host_mappings([(segment['segment']['id'], 'fakehost')])
|
|
|
|
port = self._create_deferred_ip_port(network)
|
|
self._validate_deferred_ip_allocation(port['port']['id'])
|
|
|
|
# Try requesting an IP (but the only subnet is on a segment)
|
|
data = {'port': {portbindings.HOST_ID: 'fakehost'}}
|
|
port_id = port['port']['id']
|
|
port_req = self.new_update_request('ports', data, port_id)
|
|
response = port_req.get_response(self.api)
|
|
|
|
# Port update succeeds and allocates a new IP address.
|
|
self.assertEqual(webob.exc.HTTPOk.code, response.status_int)
|
|
self._assert_one_ip_in_subnet(response, subnet['subnet']['cidr'])
|
|
|
|
def test_port_update_deferred_allocation_no_segments(self):
|
|
"""Binding information is provided, subnet created after port"""
|
|
with self.network() as network:
|
|
pass
|
|
|
|
port = self._create_deferred_ip_port(network)
|
|
|
|
# Create the subnet and try to update the port to get an IP
|
|
with self.subnet(network=network) as subnet:
|
|
data = {'port': {portbindings.HOST_ID: 'fakehost'}}
|
|
port_id = port['port']['id']
|
|
port_req = self.new_update_request('ports', data, port_id)
|
|
response = port_req.get_response(self.api)
|
|
|
|
self.assertEqual(webob.exc.HTTPOk.code, response.status_int)
|
|
self._assert_one_ip_in_subnet(response, subnet['subnet']['cidr'])
|
|
|
|
def test_port_update_deferred_allocation_no_segments_manual_alloc(self):
|
|
"""Binding information is provided, subnet created after port"""
|
|
with self.network() as network:
|
|
pass
|
|
|
|
port = self._create_deferred_ip_port(network)
|
|
|
|
# Create the subnet and try to update the port to get an IP
|
|
with self.subnet(network=network) as subnet:
|
|
data = {'port': {
|
|
portbindings.HOST_ID: 'fakehost',
|
|
'fixed_ips': [{'subnet_id': subnet['subnet']['id']}]}}
|
|
port_id = port['port']['id']
|
|
port_req = self.new_update_request('ports', data, port_id)
|
|
response = port_req.get_response(self.api)
|
|
|
|
self.assertEqual(webob.exc.HTTPOk.code, response.status_int)
|
|
self._assert_one_ip_in_subnet(response, subnet['subnet']['cidr'])
|
|
|
|
# Do a show to be sure that only one IP is recorded
|
|
port_req = self.new_show_request('ports', port_id)
|
|
response = port_req.get_response(self.api)
|
|
self.assertEqual(webob.exc.HTTPOk.code, response.status_int)
|
|
self._assert_one_ip_in_subnet(response, subnet['subnet']['cidr'])
|
|
|
|
def test_port_update_deferred_allocation_no_segments_empty_alloc(self):
|
|
"""Binding information is provided, subnet created after port"""
|
|
with self.network() as network:
|
|
pass
|
|
|
|
port = self._create_deferred_ip_port(network)
|
|
|
|
# Create the subnet and update the port but specify no IPs
|
|
with self.subnet(network=network):
|
|
data = {'port': {
|
|
portbindings.HOST_ID: 'fakehost',
|
|
'fixed_ips': []}}
|
|
port_id = port['port']['id']
|
|
port_req = self.new_update_request('ports', data, port_id)
|
|
response = port_req.get_response(self.api)
|
|
|
|
self.assertEqual(webob.exc.HTTPOk.code, response.status_int)
|
|
res = self.deserialize(self.fmt, response)
|
|
# Since I specifically requested no IP addresses, I shouldn't get one.
|
|
self.assertEqual(0, len(res['port']['fixed_ips']))
|
|
|
|
def test_port_update_deferred_allocation_no_host_mapping(self):
|
|
"""Binding information is provided on update, subnets on segments"""
|
|
network, segment, subnet = self._create_test_segment_with_subnet()
|
|
|
|
port = self._create_deferred_ip_port(network)
|
|
self._validate_deferred_ip_allocation(port['port']['id'])
|
|
|
|
# Try requesting an IP (but the only subnet is on a segment)
|
|
data = {'port': {portbindings.HOST_ID: 'fakehost'}}
|
|
port_id = port['port']['id']
|
|
port_req = self.new_update_request('ports', data, port_id)
|
|
response = port_req.get_response(self.api)
|
|
res = self.deserialize(self.fmt, response)
|
|
|
|
# Gets conflict because it can't map the host to a segment
|
|
self.assertEqual(webob.exc.HTTPConflict.code, response.status_int)
|
|
self.assertEqual(segment_exc.HostNotConnectedToAnySegment.__name__,
|
|
res['NeutronError']['type'])
|
|
|
|
def test_port_update_deferred_allocation_multiple_host_mapping(self):
|
|
"""Binding information is provided on update, subnets on segments"""
|
|
network, segments, _s = self._create_test_segments_with_subnets(2)
|
|
|
|
port = self._create_deferred_ip_port(network)
|
|
self._validate_deferred_ip_allocation(port['port']['id'])
|
|
|
|
# This host is bound to multiple segments
|
|
self._setup_host_mappings([(segments[0]['segment']['id'], 'fakehost'),
|
|
(segments[1]['segment']['id'], 'fakehost')])
|
|
|
|
# Try requesting an IP (but the only subnet is on a segment)
|
|
data = {'port': {portbindings.HOST_ID: 'fakehost'}}
|
|
port_id = port['port']['id']
|
|
port_req = self.new_update_request('ports', data, port_id)
|
|
response = port_req.get_response(self.api)
|
|
res = self.deserialize(self.fmt, response)
|
|
|
|
# Gets conflict because it can't map the host to a segment
|
|
self.assertEqual(webob.exc.HTTPConflict.code, response.status_int)
|
|
self.assertEqual(segment_exc.HostConnectedToMultipleSegments.__name__,
|
|
res['NeutronError']['type'])
|
|
|
|
def test_port_update_allocate_no_segments(self):
|
|
"""Binding information is provided, subnet created after port"""
|
|
with self.network() as network:
|
|
pass
|
|
|
|
# Create a bound port with no IP address (since there is not subnet)
|
|
port = self._create_deferred_ip_port(network)
|
|
|
|
# Create the subnet and try to update the port to get an IP
|
|
with self.subnet(network=network) as subnet:
|
|
# Try requesting an IP (but the only subnet is on a segment)
|
|
data = {'port': {
|
|
'fixed_ips': [{'subnet_id': subnet['subnet']['id']}]}}
|
|
port_id = port['port']['id']
|
|
port_req = self.new_update_request('ports', data, port_id)
|
|
response = port_req.get_response(self.api)
|
|
|
|
# Since port is bound and there is a mapping to segment, it succeeds.
|
|
self.assertEqual(webob.exc.HTTPOk.code, response.status_int)
|
|
self._assert_one_ip_in_subnet(response, subnet['subnet']['cidr'])
|
|
|
|
def test_port_update_deferred_allocation_no_ips(self):
|
|
"""Binding information is provided on update, subnets on segments"""
|
|
network, segments, subnets = self._create_test_segments_with_subnets(2)
|
|
|
|
self._setup_host_mappings([(segments[0]['segment']['id'], 'fakehost2'),
|
|
(segments[1]['segment']['id'], 'fakehost')])
|
|
|
|
port = self._create_deferred_ip_port(network)
|
|
|
|
# Update the subnet on the second segment to be out of IPs
|
|
subnet_data = {'subnet': {'allocation_pools': []}}
|
|
subnet_req = self.new_update_request('subnets',
|
|
subnet_data,
|
|
subnets[1]['subnet']['id'])
|
|
subnet_response = subnet_req.get_response(self.api)
|
|
res = self.deserialize(self.fmt, subnet_response)
|
|
|
|
# Try requesting an IP (but the subnet ran out of ips)
|
|
data = {'port': {portbindings.HOST_ID: 'fakehost'}}
|
|
port_id = port['port']['id']
|
|
port_req = self.new_update_request('ports', data, port_id)
|
|
response = port_req.get_response(self.api)
|
|
res = self.deserialize(self.fmt, response)
|
|
|
|
# Since port is bound and there is a mapping to segment, it succeeds.
|
|
self.assertEqual(webob.exc.HTTPConflict.code, response.status_int)
|
|
self.assertEqual(n_exc.IpAddressGenerationFailure.__name__,
|
|
res['NeutronError']['type'])
|
|
|
|
def test_port_update_fails_if_host_on_wrong_segment(self):
|
|
"""Update a port with existing IPs to a host where they don't work"""
|
|
network, segments, subnets = self._create_test_segments_with_subnets(2)
|
|
|
|
self._setup_host_mappings([(segments[0]['segment']['id'], 'fakehost2'),
|
|
(segments[1]['segment']['id'], 'fakehost')])
|
|
|
|
# Create a bound port with an IP address
|
|
response = self._create_port(self.fmt,
|
|
net_id=network['network']['id'],
|
|
tenant_id=network['network']['tenant_id'],
|
|
arg_list=(portbindings.HOST_ID,),
|
|
**{portbindings.HOST_ID: 'fakehost'})
|
|
self._assert_one_ip_in_subnet(response, subnets[1]['subnet']['cidr'])
|
|
port = self.deserialize(self.fmt, response)
|
|
|
|
# Now, try to update binding to a host on the other segment
|
|
data = {'port': {portbindings.HOST_ID: 'fakehost2'}}
|
|
port_req = self.new_update_request('ports', data, port['port']['id'])
|
|
response = port_req.get_response(self.api)
|
|
|
|
# It fails since the IP address isn't compatible with the new segment
|
|
self.assertEqual(webob.exc.HTTPConflict.code, response.status_int)
|
|
|
|
def test_port_update_fails_if_host_on_good_segment(self):
|
|
"""Update a port with existing IPs to a host where they don't work"""
|
|
network, segments, subnets = self._create_test_segments_with_subnets(2)
|
|
|
|
self._setup_host_mappings([(segments[0]['segment']['id'], 'fakehost2'),
|
|
(segments[1]['segment']['id'], 'fakehost1'),
|
|
(segments[1]['segment']['id'], 'fakehost')])
|
|
|
|
# Create a bound port with an IP address
|
|
response = self._create_port(self.fmt,
|
|
net_id=network['network']['id'],
|
|
tenant_id=network['network']['tenant_id'],
|
|
arg_list=(portbindings.HOST_ID,),
|
|
**{portbindings.HOST_ID: 'fakehost'})
|
|
self._assert_one_ip_in_subnet(response, subnets[1]['subnet']['cidr'])
|
|
port = self.deserialize(self.fmt, response)
|
|
|
|
# Now, try to update binding to another host in same segment
|
|
data = {'port': {portbindings.HOST_ID: 'fakehost1'}}
|
|
port_req = self.new_update_request('ports', data, port['port']['id'])
|
|
response = port_req.get_response(self.api)
|
|
|
|
# Since the new host is in the same segment, it succeeds.
|
|
self.assertEqual(webob.exc.HTTPOk.code, response.status_int)
|
|
|
|
|
|
class TestSegmentAwareIpamML2(TestSegmentAwareIpam):
|
|
def setUp(self):
|
|
super(TestSegmentAwareIpamML2, self).setUp(plugin='ml2')
|
|
|
|
|
|
class TestDhcpAgentSegmentScheduling(HostSegmentMappingTestCase):
|
|
|
|
_mechanism_drivers = ['openvswitch', 'logger']
|
|
mock_path = 'neutron.services.segments.db.update_segment_host_mapping'
|
|
|
|
def setUp(self):
|
|
super(TestDhcpAgentSegmentScheduling, self).setUp()
|
|
self.dhcp_agent_db = agentschedulers_db.DhcpAgentSchedulerDbMixin()
|
|
self.ctx = context.get_admin_context()
|
|
|
|
def _test_create_network_and_segment(self, phys_net):
|
|
with self.network() as net:
|
|
network = net['network']
|
|
segment = self._test_create_segment(network_id=network['id'],
|
|
physical_network=phys_net,
|
|
segmentation_id=200,
|
|
network_type='vxlan')
|
|
dhcp_agents = self.dhcp_agent_db.get_dhcp_agents_hosting_networks(
|
|
self.ctx, [network['id']])
|
|
self.assertEqual(0, len(dhcp_agents))
|
|
return network, segment['segment']
|
|
|
|
def _test_create_subnet(self, network, segment, cidr=None,
|
|
enable_dhcp=True):
|
|
cidr = cidr or '10.0.0.0/24'
|
|
ip_version = 4
|
|
with self.subnet(network={'network': network},
|
|
segment_id=segment['id'],
|
|
ip_version=ip_version,
|
|
cidr=cidr,
|
|
enable_dhcp=enable_dhcp) as subnet:
|
|
pass
|
|
return subnet['subnet']
|
|
|
|
def _register_dhcp_agents(self, hosts=None):
|
|
hosts = hosts or [DHCP_HOSTA, DHCP_HOSTB]
|
|
for host in hosts:
|
|
helpers.register_dhcp_agent(host)
|
|
|
|
def test_network_scheduling_on_segment_creation(self):
|
|
self._register_dhcp_agents()
|
|
self._test_create_network_and_segment('phys_net1')
|
|
|
|
def test_segment_scheduling_no_host_mapping(self):
|
|
self._register_dhcp_agents()
|
|
network, segment = self._test_create_network_and_segment('phys_net1')
|
|
self._test_create_subnet(network, segment)
|
|
dhcp_agents = self.dhcp_agent_db.get_dhcp_agents_hosting_networks(
|
|
self.ctx, [network['id']])
|
|
self.assertEqual(0, len(dhcp_agents))
|
|
|
|
def test_segment_scheduling_with_host_mapping(self):
|
|
phys_net1 = 'phys_net1'
|
|
self._register_dhcp_agents()
|
|
network, segment = self._test_create_network_and_segment(phys_net1)
|
|
self._register_agent(DHCP_HOSTA,
|
|
mappings={phys_net1: 'br-eth-1'},
|
|
plugin=self.plugin)
|
|
self._test_create_subnet(network, segment)
|
|
dhcp_agents = self.dhcp_agent_db.get_dhcp_agents_hosting_networks(
|
|
self.ctx, [network['id']])
|
|
self.assertEqual(1, len(dhcp_agents))
|
|
self.assertEqual(DHCP_HOSTA, dhcp_agents[0]['host'])
|
|
|
|
def test_segment_scheduling_with_multiple_host_mappings(self):
|
|
phys_net1 = 'phys_net1'
|
|
phys_net2 = 'phys_net2'
|
|
self._register_dhcp_agents([DHCP_HOSTA, DHCP_HOSTB, 'MEHA', 'MEHB'])
|
|
network, segment1 = self._test_create_network_and_segment(phys_net1)
|
|
segment2 = self._test_create_segment(network_id=network['id'],
|
|
physical_network=phys_net2,
|
|
segmentation_id=200,
|
|
network_type='vxlan')['segment']
|
|
self._register_agent(DHCP_HOSTA,
|
|
mappings={phys_net1: 'br-eth-1'},
|
|
plugin=self.plugin)
|
|
self._register_agent(DHCP_HOSTB,
|
|
mappings={phys_net2: 'br-eth-1'},
|
|
plugin=self.plugin)
|
|
self._test_create_subnet(network, segment1)
|
|
self._test_create_subnet(network, segment2, cidr='11.0.0.0/24')
|
|
dhcp_agents = self.dhcp_agent_db.get_dhcp_agents_hosting_networks(
|
|
self.ctx, [network['id']])
|
|
self.assertEqual(2, len(dhcp_agents))
|
|
agent_hosts = [agent['host'] for agent in dhcp_agents]
|
|
self.assertIn(DHCP_HOSTA, agent_hosts)
|
|
self.assertIn(DHCP_HOSTB, agent_hosts)
|