neutron/neutron/tests/unit/db/quota/test_driver_nolock.py

141 lines
6.2 KiB
Python

# Copyright (c) 2021 Red Hat, Inc.
#
# 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.
import itertools
import netaddr
from neutron_lib import constants
from neutron_lib import context
from neutron_lib.db import api as db_api
from neutron.db import db_base_plugin_v2 as base_plugin
from neutron.db import models_v2
from neutron.db.quota import api as quota_api
from neutron.db.quota import driver_nolock
from neutron.objects import network as network_obj
from neutron.objects import ports as port_obj
from neutron.objects import quota as quota_obj
from neutron.objects import subnet as subnet_obj
from neutron.quota import resource as quota_resource
from neutron.tests.unit.db.quota import test_driver
class FakePlugin(base_plugin.NeutronDbPluginV2,
driver_nolock.DbQuotaNoLockDriver):
"""A fake plugin class containing all DB methods."""
class TestDbQuotaDriverNoLock(test_driver.TestDbQuotaDriver):
def setUp(self):
super(TestDbQuotaDriverNoLock, self).setUp()
self.plugin = FakePlugin()
self.quota_driver = driver_nolock.DbQuotaNoLockDriver()
@staticmethod
def _cleanup_timeout(previous_value):
quota_api.RESERVATION_EXPIRATION_TIMEOUT = previous_value
def test__remove_expired_reservations(self):
for project, resource in itertools.product(self.projects,
self.resources):
deltas = {resource: 1}
with db_api.CONTEXT_WRITER.using(self.context):
quota_api.create_reservation(self.context, project, deltas)
# Initial check: the reservations are correctly created.
for project in self.projects:
for res in quota_obj.Reservation.get_objects(self.context,
project_id=project):
self.assertEqual(1, len(res.resource_deltas))
delta = res.resource_deltas[0]
self.assertEqual(1, delta.amount)
self.assertIn(delta.resource, self.resources)
# Delete the expired reservations and check.
# NOTE(ralonsoh): the timeout is set to -121 to force the deletion
# of all created reservations, including those ones created in this
# test. The value of 121 overcomes the 120 seconds of default
# expiration time a reservation has.
timeout = quota_api.RESERVATION_EXPIRATION_TIMEOUT
quota_api.RESERVATION_EXPIRATION_TIMEOUT = -(timeout + 1)
self.addCleanup(self._cleanup_timeout, timeout)
self.quota_driver._remove_expired_reservations()
res = quota_obj.Reservation.get_objects(self.context)
self.assertEqual([], res)
def test_get_detailed_project_quotas_resource(self):
user_ctx = context.Context(user_id=self.project_1,
tenant_id=self.project_1)
tracked_resource = quota_resource.TrackedResource(
'network', models_v2.Network, 'quota_network')
res = {'network': tracked_resource}
self.plugin.update_quota_limit(user_ctx, self.project_1, 'network', 20)
self.quota_driver.make_reservation(user_ctx, self.project_1, res,
{'network': 5}, self.plugin)
with db_api.CONTEXT_WRITER.using(user_ctx):
network_obj.Network(user_ctx, project_id=self.project_1).create()
detailed_quota = self.plugin.get_detailed_project_quotas(
user_ctx, res, self.project_1)
reference = {'network': {'limit': 20, 'used': 1, 'reserved': 5}}
self.assertEqual(reference, detailed_quota)
@staticmethod
def _create_tracked_resources():
return {
'network': quota_resource.TrackedResource(
'network', models_v2.Network, 'quota_network'),
'subnet': quota_resource.TrackedResource(
'subnet', models_v2.Subnet, 'quota_subnet'),
'port': quota_resource.TrackedResource(
'port', models_v2.Port, 'quota_port'),
}
def test_get_detailed_project_quotas_multiple_resource(self):
resources = self._create_tracked_resources()
for project_id in self.projects:
user_ctx = context.Context(user_id=project_id,
tenant_id=project_id)
self.plugin.update_quota_limit(
user_ctx, project_id, 'network', 101)
self.plugin.update_quota_limit(user_ctx, project_id, 'subnet', 102)
self.plugin.update_quota_limit(user_ctx, project_id, 'port', 103)
with db_api.CONTEXT_WRITER.using(user_ctx):
net = network_obj.Network(
user_ctx, project_id=project_id)
net.create()
subnet_obj.Subnet(
user_ctx, project_id=project_id, network_id=net.id,
ip_version=constants.IP_VERSION_4,
cidr=netaddr.IPNetwork('1.2.3.0/24')).create()
port_obj.Port(
user_ctx, project_id=project_id,
network_id=net.id,
mac_address=netaddr.EUI('ca:fe:ca:fe:ca:fe'),
admin_state_up=False, status='DOWN', device_id='',
device_owner='').create()
reference = {'network': {'limit': 101, 'used': 1, 'reserved': 0},
'subnet': {'limit': 102, 'used': 1, 'reserved': 0},
'port': {'limit': 103, 'used': 1, 'reserved': 0}}
for project_id in self.projects:
user_ctx = context.Context(user_id=project_id,
tenant_id=project_id)
returned = self.plugin.get_detailed_project_quotas(
user_ctx, resources, project_id)
self.assertEqual(reference, returned)