OpenStack Networking (Neutron)
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from unittest import mock
from neutron_lib import context
from neutron_lib import fixture
from oslo_utils import uuidutils
from neutron.db.quota import api as quota_db_api
from neutron.tests.unit.api import test_extensions
from neutron.tests.unit.extensions import test_l3
from neutron.tests.unit.extensions import test_securitygroup
from neutron.tests.unit.plugins.ml2 import base as ml2_base
from neutron.tests.unit.plugins.ml2 import test_plugin
class SgTestCaseWrapper(test_securitygroup.SecurityGroupDBTestCase):
# This wrapper class enables Ml2PluginV2TestCase to correctly call the
# setup method in SecurityGroupDBTestCase which does not accept the
# service_plugins keyword parameter.
def setUp(self, plugin, **kwargs):
super(SgTestCaseWrapper, self).setUp(plugin)
class BaseTestTrackedResources(test_plugin.Ml2PluginV2TestCase,
SgTestCaseWrapper):
def setUp(self):
self.ctx = context.get_admin_context()
super(BaseTestTrackedResources, self).setUp()
self._tenant_id = uuidutils.generate_uuid()
def _test_init(self, resource_name):
quota_db_api.set_quota_usage(
self.ctx, resource_name, self._tenant_id)
class BaseTestEventHandler(object):
def setUp(self):
# Prevent noise from default security group operations
def_sec_group_patch = mock.patch(
'neutron.db.securitygroups_db.SecurityGroupDbMixin.'
'_ensure_default_security_group')
def_sec_group_patch.start()
get_sec_group_port_patch = mock.patch(
'neutron.db.securitygroups_db.SecurityGroupDbMixin.'
'_get_security_groups_on_port')
get_sec_group_port_patch.start()
process_port_create_security_group_patch = mock.patch(
'neutron.db.securitygroups_db.SecurityGroupDbMixin.'
'_process_port_create_security_group')
process_port_create_security_group_patch.start()
handler_patch = mock.patch(
'neutron.quota.resource.TrackedResource._db_event_handler')
self.handler_mock = handler_patch.start()
super(BaseTestEventHandler, self).setUp()
def _verify_event_handler_calls(self, data, expected_call_count=1):
if not hasattr(data, '__iter__') or isinstance(data, dict):
data = [data]
self.assertEqual(expected_call_count, self.handler_mock.call_count)
call_idx = -1
for item in data:
if item:
model = self.handler_mock.call_args_list[call_idx][0][-1]
self.assertEqual(model['id'], item['id'])
self.assertEqual(model['tenant_id'], item['tenant_id'])
call_idx = call_idx - 1
class TestTrackedResourcesEventHandler(BaseTestEventHandler,
BaseTestTrackedResources):
def test_create_delete_network_triggers_event(self):
self._test_init('network')
net = self._make_network('json', 'meh', True)['network']
self._verify_event_handler_calls(net)
self._delete('networks', net['id'])
self._verify_event_handler_calls(net, expected_call_count=2)
def test_create_delete_port_triggers_event(self):
self._test_init('port')
net = self._make_network('json', 'meh', True)['network']
port = self._make_port('json', net['id'])['port']
# Expecting 2 calls - 1 for the network, 1 for the port
self._verify_event_handler_calls(port, expected_call_count=2)
self._delete('ports', port['id'])
self._verify_event_handler_calls(port, expected_call_count=3)
def test_create_delete_subnet_triggers_event(self):
self._test_init('subnet')
net = self._make_network('json', 'meh', True)
subnet = self._make_subnet('json', net, '10.0.0.1',
'10.0.0.0/24')['subnet']
# Expecting 2 calls - 1 for the network, 1 for the subnet
self._verify_event_handler_calls([subnet, net['network']],
expected_call_count=2)
self._delete('subnets', subnet['id'])
self._verify_event_handler_calls(subnet, expected_call_count=3)
def test_create_delete_network_with_subnet_triggers_event(self):
self._test_init('network')
self._test_init('subnet')
net = self._make_network('json', 'meh', True)
subnet = self._make_subnet('json', net, '10.0.0.1',
'10.0.0.0/24')['subnet']
# Expecting 2 calls - 1 for the network, 1 for the subnet
self._verify_event_handler_calls([subnet, net['network']],
expected_call_count=2)
self._delete('networks', net['network']['id'])
# Expecting 2 more calls - 1 for the network, 1 for the subnet
self._verify_event_handler_calls([net['network'], subnet],
expected_call_count=4)
def test_create_delete_subnetpool_triggers_event(self):
self._test_init('subnetpool')
pool = self._make_subnetpool('json', ['10.0.0.0/8'],
name='meh',
tenant_id=self._tenant_id)['subnetpool']
self._verify_event_handler_calls(pool)
self._delete('subnetpools', pool['id'])
self._verify_event_handler_calls(pool, expected_call_count=2)
def test_create_delete_securitygroup_triggers_event(self):
self._test_init('security_group')
sec_group = self._make_security_group(
'json', 'meh', 'meh', tenant_id=self._tenant_id)['security_group']
# When a security group is created it also creates 2 rules, therefore
# there will be three calls and we need to verify the first
self._verify_event_handler_calls([None, None, sec_group],
expected_call_count=3)
self._delete('security-groups', sec_group['id'])
# When a security group is deleted it also removes the 2 rules
# generated upon creation
self._verify_event_handler_calls(sec_group, expected_call_count=6)
def test_create_delete_securitygrouprule_triggers_event(self):
self._test_init('security_group_rule')
sec_group = self._make_security_group(
'json', 'meh', 'meh', tenant_id=self._tenant_id)['security_group']
rule_req = self._build_security_group_rule(
sec_group['id'], 'ingress', 'TCP', tenant_id=self._tenant_id)
sec_group_rule = self._make_security_group_rule(
'json', rule_req)['security_group_rule']
# When a security group is created it also creates 2 rules, therefore
# there will be four calls in total to the event handler
self._verify_event_handler_calls(sec_group_rule, expected_call_count=4)
self._delete('security-group-rules', sec_group_rule['id'])
self._verify_event_handler_calls(sec_group_rule, expected_call_count=5)
class TestL3ResourcesEventHandler(BaseTestEventHandler,
ml2_base.ML2TestFramework,
test_l3.L3NatTestCaseMixin):
def setUp(self):
super(TestL3ResourcesEventHandler, self).setUp()
self.useFixture(fixture.APIDefinitionFixture())
ext_mgr = test_l3.L3TestExtensionManager()
self.ext_api = test_extensions.setup_extensions_middleware(ext_mgr)
def test_create_delete_floating_ip_triggers_event(self):
net = self._make_network('json', 'meh', True)
subnet = self._make_subnet('json', net, '14.0.0.1',
'14.0.0.0/24')['subnet']
self._set_net_external(subnet['network_id'])
floatingip = self._make_floatingip('json', subnet['network_id'])
internal_port = self._show(
'ports', floatingip['floatingip']['port_id'])['ports'][0]
# When a floatingip is created it also creates port, therefore
# there will be four calls in total to the event handler
self._verify_event_handler_calls(floatingip['floatingip'],
expected_call_count=4)
self._delete('floatingips', floatingip['floatingip']['id'])
# Expecting 2 more calls - 1 for the port, 1 for the floatingip
self._verify_event_handler_calls(
[internal_port, floatingip['floatingip']], expected_call_count=6)
class TestTrackedResources(BaseTestTrackedResources):
def _verify_dirty_bit(self, resource_name, expected_value=True):
usage = quota_db_api.get_quota_usage_by_resource_and_tenant(
self.ctx, resource_name, self._tenant_id)
self.assertEqual(expected_value, usage.dirty)
def test_create_delete_network_marks_dirty(self):
self._test_init('network')
net = self._make_network('json', 'meh', True)['network']
self._verify_dirty_bit('network')
# Clear the dirty bit
quota_db_api.set_quota_usage_dirty(
self.ctx, 'network', self._tenant_id, dirty=False)
self._delete('networks', net['id'])
self._verify_dirty_bit('network')
def test_list_networks_clears_dirty(self):
self._test_init('network')
net = self._make_network('json', 'meh', True)['network']
self.ctx.tenant_id = net['tenant_id']
self._list('networks', neutron_context=self.ctx)
self._verify_dirty_bit('network', expected_value=False)
def test_create_delete_port_marks_dirty(self):
self._test_init('port')
net = self._make_network('json', 'meh', True)['network']
port = self._make_port('json', net['id'])['port']
self._verify_dirty_bit('port')
# Clear the dirty bit
quota_db_api.set_quota_usage_dirty(
self.ctx, 'port', self._tenant_id, dirty=False)
self._delete('ports', port['id'])
self._verify_dirty_bit('port')
def test_list_ports_clears_dirty(self):
self._test_init('port')
net = self._make_network('json', 'meh', True)['network']
port = self._make_port('json', net['id'])['port']
self.ctx.tenant_id = port['tenant_id']
self._list('ports', neutron_context=self.ctx)
self._verify_dirty_bit('port', expected_value=False)
def test_create_delete_subnet_marks_dirty(self):
self._test_init('subnet')
net = self._make_network('json', 'meh', True)
subnet = self._make_subnet('json', net, '10.0.0.1',
'10.0.0.0/24')['subnet']
self._verify_dirty_bit('subnet')
# Clear the dirty bit
quota_db_api.set_quota_usage_dirty(
self.ctx, 'subnet', self._tenant_id, dirty=False)
self._delete('subnets', subnet['id'])
self._verify_dirty_bit('subnet')
def test_create_delete_network_with_subnet_marks_dirty(self):
self._test_init('network')
self._test_init('subnet')
net = self._make_network('json', 'meh', True)
self._make_subnet('json', net, '10.0.0.1',
'10.0.0.0/24')['subnet']
self._verify_dirty_bit('subnet')
# Clear the dirty bit
quota_db_api.set_quota_usage_dirty(
self.ctx, 'subnet', self._tenant_id, dirty=False)
self._delete('networks', net['network']['id'])
self._verify_dirty_bit('network')
self._verify_dirty_bit('subnet')
def test_list_subnets_clears_dirty(self):
self._test_init('subnet')
net = self._make_network('json', 'meh', True)
subnet = self._make_subnet('json', net, '10.0.0.1',
'10.0.0.0/24')['subnet']
self.ctx.tenant_id = subnet['tenant_id']
self._list('subnets', neutron_context=self.ctx)
self._verify_dirty_bit('subnet', expected_value=False)
def test_create_delete_subnetpool_marks_dirty(self):
self._test_init('subnetpool')
pool = self._make_subnetpool('json', ['10.0.0.0/8'],
name='meh',
tenant_id=self._tenant_id)['subnetpool']
self._verify_dirty_bit('subnetpool')
# Clear the dirty bit
quota_db_api.set_quota_usage_dirty(
self.ctx, 'subnetpool', self._tenant_id, dirty=False)
self._delete('subnetpools', pool['id'])
self._verify_dirty_bit('subnetpool')
def test_list_subnetpools_clears_dirty(self):
self._test_init('subnetpool')
pool = self._make_subnetpool('json', ['10.0.0.0/8'],
name='meh',
tenant_id=self._tenant_id)['subnetpool']
self.ctx.tenant_id = pool['tenant_id']
self._list('subnetpools', neutron_context=self.ctx)
self._verify_dirty_bit('subnetpool', expected_value=False)
def test_create_delete_securitygroup_marks_dirty(self):
self._test_init('security_group')
sec_group = self._make_security_group(
'json', 'meh', 'meh', tenant_id=self._tenant_id)['security_group']
self._verify_dirty_bit('security_group')
# Clear the dirty bit
quota_db_api.set_quota_usage_dirty(
self.ctx, 'security_group', self._tenant_id, dirty=False)
self._delete('security-groups', sec_group['id'])
self._verify_dirty_bit('security_group')
def test_list_securitygroups_clears_dirty(self):
self._test_init('security_group')
self._make_security_group(
'json', 'meh', 'meh', tenant_id=self._tenant_id)['security_group']
self.ctx.tenant_id = self._tenant_id
self._list('security-groups', neutron_context=self.ctx)
self._verify_dirty_bit('security_group', expected_value=False)
def test_create_delete_securitygrouprule_marks_dirty(self):
self._test_init('security_group_rule')
sec_group = self._make_security_group(
'json', 'meh', 'meh', tenant_id=self._tenant_id)['security_group']
rule_req = self._build_security_group_rule(
sec_group['id'], 'ingress', 'TCP', tenant_id=self._tenant_id)
sec_group_rule = self._make_security_group_rule(
'json', rule_req)['security_group_rule']
self._verify_dirty_bit('security_group_rule')
# Clear the dirty bit
quota_db_api.set_quota_usage_dirty(
self.ctx, 'security_group_rule', self._tenant_id, dirty=False)
self._delete('security-group-rules', sec_group_rule['id'])
self._verify_dirty_bit('security_group_rule')
def test_list_securitygrouprules_clears_dirty(self):
self._test_init('security_group_rule')
self._make_security_group(
'json', 'meh', 'meh', tenant_id=self._tenant_id)['security_group']
# As the security group create operation also creates 2 security group
# rules there is no need to explicitly create any rule
self.ctx.tenant_id = self._tenant_id
self._list('security-group-rules', neutron_context=self.ctx)
self._verify_dirty_bit('security_group_rule', expected_value=False)