openstack
/
neutron
Code Issues Proposed changes

Merge "Make _ensure_default_security_group method atomic" into stable/rocky

This commit is contained in:
Zuul 2020-07-18 23:32:01 +00:00 committed by Gerrit Code Review
parent 5a5a152984 3216c1efe9
commit a74111c340
2 changed files with 57 additions and 3 deletions
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9
neutron/db/securitygroups_db.py
View File

@ -23,6 +23,7 @@ from neutron_lib import constants
from neutron_lib import context as context_lib
from neutron_lib.db import utils as db_utils
from neutron_lib import exceptions as n_exc
from neutron_lib.objects import exceptions as obj_exc
from neutron_lib.utils import helpers
from neutron_lib.utils import net
from oslo_utils import uuidutils
@ -41,6 +42,9 @@ from neutron.objects import base as base_obj
from neutron.objects import securitygroup as sg_obj
DEFAULT_SG_DESCRIPTION = _('Default security group')
@resource_extend.has_resource_extenders
@registry.has_registry_receivers
class SecurityGroupDbMixin(ext_sg.SecurityGroupPluginBase):
@ -798,10 +802,13 @@ class SecurityGroupDbMixin(ext_sg.SecurityGroupPluginBase):
'security_group':
{'name': 'default',
'tenant_id': tenant_id,
'description': _('Default security group')}
'description': DEFAULT_SG_DESCRIPTION}
}
try:
return self.create_security_group(context, security_group,
default_sg=True)['id']
except obj_exc.NeutronDbObjectDuplicateEntry:
return self._get_default_sg_id(context, tenant_id)
def _get_security_groups_on_port(self, context, port):
"""Check that all security groups on port belong to tenant.

47
neutron/tests/unit/db/test_securitygroups_db.py
View File

@ -20,6 +20,7 @@ from neutron_lib.callbacks import registry
from neutron_lib.callbacks import resources
from neutron_lib import constants
from neutron_lib import context
from neutron_lib.objects import exceptions as obj_exc
import sqlalchemy
import testtools
@ -517,3 +518,49 @@ class SecurityGroupDbMixinTestCase(testlib_api.SqlTestCase):
for rule in (rule for rule in rules_after if rule not in rules_before):
self.assertEqual('tenant_1', rule['tenant_id'])
self.assertEqual(self.sg_user['id'], rule['security_group_id'])
def test__ensure_default_security_group(self):
with mock.patch.object(
self.mixin, '_get_default_sg_id') as get_default_sg_id,\
mock.patch.object(
self.mixin, 'create_security_group') as create_sg:
get_default_sg_id.return_value = None
self.mixin._ensure_default_security_group(self.ctx, 'tenant_1')
create_sg.assert_called_once_with(
self.ctx,
{'security_group': {
'name': 'default',
'tenant_id': 'tenant_1',
'description': securitygroups_db.DEFAULT_SG_DESCRIPTION}},
default_sg=True)
get_default_sg_id.assert_called_once_with(self.ctx, 'tenant_1')
def test__ensure_default_security_group_already_exists(self):
with mock.patch.object(
self.mixin, '_get_default_sg_id') as get_default_sg_id,\
mock.patch.object(
self.mixin, 'create_security_group') as create_sg:
get_default_sg_id.return_value = 'default_sg_id'
self.mixin._ensure_default_security_group(self.ctx, 'tenant_1')
create_sg.assert_not_called()
get_default_sg_id.assert_called_once_with(self.ctx, 'tenant_1')
def test__ensure_default_security_group_created_in_parallel(self):
with mock.patch.object(
self.mixin, '_get_default_sg_id') as get_default_sg_id,\
mock.patch.object(
self.mixin, 'create_security_group') as create_sg:
get_default_sg_id.side_effect = [None, 'default_sg_id']
create_sg.side_effect = obj_exc.NeutronDbObjectDuplicateEntry(
mock.Mock(), mock.Mock())
self.mixin._ensure_default_security_group(self.ctx, 'tenant_1')
create_sg.assert_called_once_with(
self.ctx,
{'security_group': {
'name': 'default',
'tenant_id': 'tenant_1',
'description': securitygroups_db.DEFAULT_SG_DESCRIPTION}},
default_sg=True)
get_default_sg_id.assert_has_calls([
mock.call(self.ctx, 'tenant_1'),
mock.call(self.ctx, 'tenant_1')])