272 lines
12 KiB
Python
272 lines
12 KiB
Python
# Copyright 2019 Red Hat, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import mock
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from futurist import periodics
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from neutron_lib import context
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from neutron.common.ovn import constants
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from neutron.common.ovn import utils
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from neutron.conf.plugins.ml2.drivers.ovn import ovn_conf
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from neutron.db import ovn_revision_numbers_db
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from neutron.plugins.ml2.drivers.ovn.mech_driver.ovsdb import maintenance
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from neutron.plugins.ml2.drivers.ovn.mech_driver.ovsdb import ovn_db_sync
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from neutron.tests.unit.plugins.ml2 import test_security_group as test_sg
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from neutron.tests.unit import testlib_api
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@mock.patch.object(maintenance.DBInconsistenciesPeriodics,
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'has_lock', mock.PropertyMock(return_value=True))
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class TestDBInconsistenciesPeriodics(testlib_api.SqlTestCaseLight,
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test_sg.Ml2SecurityGroupsTestCase):
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def setUp(self):
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super(TestDBInconsistenciesPeriodics, self).setUp()
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self.net = self._make_network(
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self.fmt, name='net1', admin_state_up=True)['network']
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self.port = self._make_port(
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self.fmt, self.net['id'], name='port1')['port']
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self.fake_ovn_client = mock.Mock()
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self.periodic = maintenance.DBInconsistenciesPeriodics(
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self.fake_ovn_client)
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self.ctx = context.get_admin_context()
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@mock.patch.object(maintenance.DBInconsistenciesPeriodics,
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'_fix_create_update')
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@mock.patch.object(ovn_revision_numbers_db, 'get_inconsistent_resources')
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def test_check_for_inconsistencies(self, mock_get_incon_res, mock_fix_net):
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fake_row = mock.Mock(resource_type=constants.TYPE_NETWORKS)
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mock_get_incon_res.return_value = [fake_row, ]
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self.periodic.check_for_inconsistencies()
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mock_fix_net.assert_called_once_with(mock.ANY, fake_row)
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def _test_migrate_to_port_groups_helper(self, pg_supported, a_sets,
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migration_expected, never_again):
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self.fake_ovn_client._nb_idl.is_port_groups_supported.return_value = (
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pg_supported)
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self.fake_ovn_client._nb_idl.get_address_sets.return_value = a_sets
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with mock.patch.object(ovn_db_sync.OvnNbSynchronizer,
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'migrate_to_port_groups') as mtpg:
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if never_again:
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self.assertRaises(periodics.NeverAgain,
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self.periodic.migrate_to_port_groups)
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else:
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self.periodic.migrate_to_port_groups()
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if migration_expected:
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mtpg.assert_called_once_with(mock.ANY)
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else:
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mtpg.assert_not_called()
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def test_migrate_to_port_groups_port_groups_not_supported(self):
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self._test_migrate_to_port_groups_helper(pg_supported=False,
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a_sets=None,
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migration_expected=False,
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never_again=True)
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def test_migrate_to_port_groups_not_needed(self):
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self._test_migrate_to_port_groups_helper(pg_supported=True,
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a_sets=None,
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migration_expected=False,
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never_again=True)
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def test_migrate_to_port_groups(self):
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# Check normal migration path: if port groups are supported by the
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# schema and the migration has to be done, it will take place and
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# won't be attempted in the future.
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self._test_migrate_to_port_groups_helper(pg_supported=True,
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a_sets=['as1', 'as2'],
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migration_expected=True,
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never_again=True)
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def test_migrate_to_port_groups_no_lock(self):
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with mock.patch.object(maintenance.DBInconsistenciesPeriodics,
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'has_lock', mock.PropertyMock(
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return_value=False)):
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# Check that if this worker doesn't have the lock, it won't
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# perform the migration and it will try again later.
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self._test_migrate_to_port_groups_helper(pg_supported=True,
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a_sets=['as1', 'as2'],
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migration_expected=False,
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never_again=False)
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def _test_fix_create_update_network(self, ovn_rev, neutron_rev):
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self.net['revision_number'] = neutron_rev
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# Create an entry to the revision_numbers table and assert the
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# initial revision_number for our test object is the expected
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ovn_revision_numbers_db.create_initial_revision(
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self.ctx, self.net['id'], constants.TYPE_NETWORKS,
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revision_number=ovn_rev)
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row = ovn_revision_numbers_db.get_revision_row(self.ctx,
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self.net['id'])
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self.assertEqual(ovn_rev, row.revision_number)
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if ovn_rev < 0:
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self.fake_ovn_client._nb_idl.get_lswitch.return_value = None
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else:
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fake_ls = mock.Mock(external_ids={
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constants.OVN_REV_NUM_EXT_ID_KEY: ovn_rev})
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self.fake_ovn_client._nb_idl.get_lswitch.return_value = fake_ls
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self.fake_ovn_client._plugin.get_network.return_value = self.net
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self.periodic._fix_create_update(self.ctx, row)
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# Since the revision number was < 0, make sure create_network()
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# is invoked with the latest version of the object in the neutron
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# database
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if ovn_rev < 0:
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self.fake_ovn_client.create_network.assert_called_once_with(
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self.net)
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# If the revision number is > 0 it means that the object already
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# exist and we just need to update to match the latest in the
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# neutron database so, update_network() should be called.
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else:
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self.fake_ovn_client.update_network.assert_called_once_with(
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self.net)
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def test_fix_network_create(self):
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self._test_fix_create_update_network(ovn_rev=-1, neutron_rev=2)
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def test_fix_network_update(self):
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self._test_fix_create_update_network(ovn_rev=5, neutron_rev=7)
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def _test_fix_create_update_port(self, ovn_rev, neutron_rev):
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self.port['revision_number'] = neutron_rev
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# Create an entry to the revision_numbers table and assert the
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# initial revision_number for our test object is the expected
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ovn_revision_numbers_db.create_initial_revision(
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self.ctx, self.port['id'], constants.TYPE_PORTS,
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revision_number=ovn_rev)
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row = ovn_revision_numbers_db.get_revision_row(self.ctx,
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self.port['id'])
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self.assertEqual(ovn_rev, row.revision_number)
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if ovn_rev < 0:
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self.fake_ovn_client._nb_idl.get_lswitch_port.return_value = None
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else:
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fake_lsp = mock.Mock(external_ids={
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constants.OVN_REV_NUM_EXT_ID_KEY: ovn_rev})
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self.fake_ovn_client._nb_idl.get_lswitch_port.return_value = (
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fake_lsp)
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self.fake_ovn_client._plugin.get_port.return_value = self.port
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self.periodic._fix_create_update(self.ctx, row)
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# Since the revision number was < 0, make sure create_port()
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# is invoked with the latest version of the object in the neutron
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# database
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if ovn_rev < 0:
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self.fake_ovn_client.create_port.assert_called_once_with(
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self.port)
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# If the revision number is > 0 it means that the object already
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# exist and we just need to update to match the latest in the
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# neutron database so, update_port() should be called.
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else:
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self.fake_ovn_client.update_port.assert_called_once_with(
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self.port)
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def test_fix_port_create(self):
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self._test_fix_create_update_port(ovn_rev=-1, neutron_rev=2)
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def test_fix_port_update(self):
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self._test_fix_create_update_port(ovn_rev=5, neutron_rev=7)
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@mock.patch.object(ovn_revision_numbers_db, 'bump_revision')
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def _test_fix_security_group_create(self, mock_bump, revision_number):
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sg_name = utils.ovn_addrset_name('fake_id', 'ip4')
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sg = self._make_security_group(self.fmt, sg_name, '')['security_group']
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ovn_revision_numbers_db.create_initial_revision(
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self.ctx, sg['id'], constants.TYPE_SECURITY_GROUPS,
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revision_number=revision_number)
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row = ovn_revision_numbers_db.get_revision_row(self.ctx, sg['id'])
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self.assertEqual(revision_number, row.revision_number)
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if revision_number < 0:
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self.fake_ovn_client._nb_idl.get_address_set.return_value = None
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self.fake_ovn_client._nb_idl.get_port_group.return_value = None
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else:
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self.fake_ovn_client._nb_idl.get_address_set.return_value = (
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mock.sentinel.AddressSet)
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self.fake_ovn_client._plugin.get_security_group.return_value = sg
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self.periodic._fix_create_update(self.ctx, row)
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if revision_number < 0:
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self.fake_ovn_client.create_security_group.assert_called_once_with(
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sg)
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else:
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# If the object already exist let's make sure we just bump
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# the revision number in the ovn_revision_numbers table
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self.assertFalse(self.fake_ovn_client.create_security_group.called)
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mock_bump.assert_called_once_with(
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self.ctx, sg, constants.TYPE_SECURITY_GROUPS)
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def test_fix_security_group_create_doesnt_exist(self):
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self._test_fix_security_group_create(revision_number=-1)
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def test_fix_security_group_create_version_mismatch(self):
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self._test_fix_security_group_create(revision_number=2)
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def test__create_lrouter_port(self):
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port = {'id': 'port-id',
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'device_id': 'router-id'}
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self.periodic._create_lrouter_port(port)
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l3_mock = self.periodic._ovn_client._l3_plugin
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l3_mock.add_router_interface.assert_called_once_with(
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mock.ANY, port['device_id'], {'port_id': port['id']},
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may_exist=True)
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@mock.patch.object(maintenance.LOG, 'debug')
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def test__log_maintenance_inconsistencies(self, mock_log):
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ovn_conf.cfg.CONF.set_override('debug', True)
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# Create fake inconsistencies: 2 networks, 4 subnets and 8 ports
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incst = []
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incst += [mock.Mock(resource_type=constants.TYPE_NETWORKS)] * 2
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incst += [mock.Mock(resource_type=constants.TYPE_SUBNETS)] * 4
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incst += [mock.Mock(resource_type=constants.TYPE_PORTS)] * 8
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# Create fake inconsistencies for delete: 3 routers and 6 router ports
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incst_del = []
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incst_del += [mock.Mock(resource_type=constants.TYPE_ROUTERS)] * 3
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incst_del += [mock.Mock(resource_type=constants.TYPE_ROUTER_PORTS)] * 6
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self.periodic._log_maintenance_inconsistencies(incst, incst_del)
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# Assert LOG.debug was called twice
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self.assertEqual(2, len(mock_log.call_args_list))
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# Assert the log matches the number of inconsistencies
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fail_str_create_update = mock_log.call_args_list[0][0][1]['fail_str']
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self.assertIn('networks=2', fail_str_create_update)
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self.assertIn('subnets=4', fail_str_create_update)
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self.assertIn('ports=8', fail_str_create_update)
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fail_str_delete = mock_log.call_args_list[1][0][1]['fail_str']
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self.assertIn('routers=3', fail_str_delete)
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self.assertIn('router_ports=6', fail_str_delete)
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@mock.patch.object(maintenance.LOG, 'debug')
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def test__log_maintenance_inconsistencies_debug_disabled(self, mock_log):
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ovn_conf.cfg.CONF.set_override('debug', False)
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incst = [mock.Mock(resource_type=constants.TYPE_NETWORKS)] * 2
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self.periodic._log_maintenance_inconsistencies(incst, [])
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self.assertFalse(mock_log.called)
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