OpenStack Compute (Nova)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 

2057 lines
80 KiB

# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# 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 ddt
import mock
from oslo_db.sqlalchemy import enginefacade
from nova.compute import api as compute
import nova.conf
from nova import context
from nova.db.sqlalchemy import models as sqa_models
from nova import exception
from nova import objects
from nova import quota
from nova import test
from nova.tests import fixtures as nova_fixtures
CONF = nova.conf.CONF
def _get_fake_get_usages(updates=None):
# These values are not realistic (they should all be 0) and are
# only for testing that countable usages get included in the
# results.
usages = {'key_pairs': {'in_use': 2},
'server_group_members': {'in_use': 3},
'instances': {'in_use': 2},
'cores': {'in_use': 4},
'ram': {'in_use': 10 * 1024}}
if updates:
usages.update(updates)
def fake_get_usages(*a, **k):
return usages
return fake_get_usages
class QuotaIntegrationTestCase(test.TestCase):
REQUIRES_LOCKING = True
def setUp(self):
super(QuotaIntegrationTestCase, self).setUp()
self.flags(instances=2,
cores=4,
group='quota')
self.user_id = 'admin'
self.project_id = 'admin'
self.context = context.RequestContext(self.user_id,
self.project_id,
is_admin=True)
self.flavor = objects.Flavor.get_by_name(self.context, 'm1.small')
self.useFixture(nova_fixtures.GlanceFixture(self))
self.compute_api = compute.API()
def fake_validate_networks(context, requested_networks, num_instances):
return num_instances
# we aren't testing network quota in these tests when creating a server
# so just mock that out and assume network (port) quota is OK
self.compute_api.network_api.validate_networks = (
mock.Mock(side_effect=fake_validate_networks))
def _create_instance(self, flavor_name='m1.large'):
"""Create a test instance in cell1 with an instance mapping."""
cell1 = self.cell_mappings[test.CELL1_NAME]
with context.target_cell(self.context, cell1) as cctxt:
inst = objects.Instance(context=cctxt)
inst.image_id = 'cedef40a-ed67-4d10-800e-17455edce175'
inst.reservation_id = 'r-fakeres'
inst.user_id = self.user_id
inst.project_id = self.project_id
inst.flavor = objects.Flavor.get_by_name(cctxt, flavor_name)
# This is needed for instance quota counting until we have the
# ability to count allocations in placement.
inst.vcpus = inst.flavor.vcpus
inst.memory_mb = inst.flavor.memory_mb
inst.create()
# Create the related instance mapping which will be used in
# _instances_cores_ram_count().
inst_map = objects.InstanceMapping(
self.context, instance_uuid=inst.uuid, project_id=inst.project_id,
cell_mapping=cell1)
inst_map.create()
return inst
def test_too_many_instances(self):
for i in range(CONF.quota.instances):
self._create_instance()
image_uuid = 'cedef40a-ed67-4d10-800e-17455edce175'
try:
self.compute_api.create(
self.context, min_count=1, max_count=1,
flavor=self.flavor, image_href=image_uuid)
except exception.QuotaError as e:
expected_kwargs = {'code': 413,
'req': '1, 1',
'used': '8, 2',
'allowed': '4, 2',
'overs': 'cores, instances'}
self.assertEqual(expected_kwargs, e.kwargs)
else:
self.fail('Expected QuotaError exception')
def test_too_many_cores(self):
self._create_instance()
image_uuid = 'cedef40a-ed67-4d10-800e-17455edce175'
try:
self.compute_api.create(
self.context, min_count=1, max_count=1, flavor=self.flavor,
image_href=image_uuid)
except exception.QuotaError as e:
expected_kwargs = {'code': 413,
'req': '1',
'used': '4',
'allowed': '4',
'overs': 'cores'}
self.assertEqual(expected_kwargs, e.kwargs)
else:
self.fail('Expected QuotaError exception')
def test_many_cores_with_unlimited_quota(self):
# Setting cores quota to unlimited:
self.flags(cores=-1, group='quota')
# Default is 20 cores, so create 3x m1.xlarge with
# 8 cores each.
for i in range(3):
self._create_instance(flavor_name='m1.xlarge')
def test_too_many_metadata_items(self):
metadata = {}
for i in range(CONF.quota.metadata_items + 1):
metadata['key%s' % i] = 'value%s' % i
image_uuid = 'cedef40a-ed67-4d10-800e-17455edce175'
self.assertRaises(
exception.QuotaError, self.compute_api.create,
self.context, min_count=1, max_count=1, flavor=self.flavor,
image_href=image_uuid, metadata=metadata)
def _create_with_injected_files(self, files):
api = self.compute_api
image_uuid = 'cedef40a-ed67-4d10-800e-17455edce175'
api.create(
self.context, min_count=1, max_count=1, flavor=self.flavor,
image_href=image_uuid, injected_files=files)
def test_no_injected_files(self):
api = self.compute_api
image_uuid = 'cedef40a-ed67-4d10-800e-17455edce175'
api.create(self.context, flavor=self.flavor, image_href=image_uuid)
def test_max_injected_files(self):
files = []
for i in range(CONF.quota.injected_files):
files.append(('/my/path%d' % i, 'config = test\n'))
self._create_with_injected_files(files) # no QuotaError
def test_too_many_injected_files(self):
files = []
for i in range(CONF.quota.injected_files + 1):
files.append(('/my/path%d' % i, 'my\ncontent%d\n' % i))
self.assertRaises(exception.QuotaError,
self._create_with_injected_files, files)
def test_max_injected_file_content_bytes(self):
max = CONF.quota.injected_file_content_bytes
content = ''.join(['a' for i in range(max)])
files = [('/test/path', content)]
self._create_with_injected_files(files) # no QuotaError
def test_too_many_injected_file_content_bytes(self):
max = CONF.quota.injected_file_content_bytes
content = ''.join(['a' for i in range(max + 1)])
files = [('/test/path', content)]
self.assertRaises(exception.QuotaError,
self._create_with_injected_files, files)
def test_max_injected_file_path_bytes(self):
max = CONF.quota.injected_file_path_length
path = ''.join(['a' for i in range(max)])
files = [(path, 'config = quotatest')]
self._create_with_injected_files(files) # no QuotaError
def test_too_many_injected_file_path_bytes(self):
max = CONF.quota.injected_file_path_length
path = ''.join(['a' for i in range(max + 1)])
files = [(path, 'config = quotatest')]
self.assertRaises(exception.QuotaError,
self._create_with_injected_files, files)
@enginefacade.transaction_context_provider
class FakeContext(context.RequestContext):
def __init__(self, project_id, quota_class):
super(FakeContext, self).__init__(project_id=project_id,
quota_class=quota_class)
self.is_admin = False
self.user_id = 'fake_user'
self.project_id = project_id
self.quota_class = quota_class
self.read_deleted = 'no'
def elevated(self):
elevated = self.__class__(self.project_id, self.quota_class)
elevated.is_admin = True
return elevated
class FakeDriver(object):
def __init__(self, by_project=None, by_user=None, by_class=None,
reservations=None):
self.called = []
self.by_project = by_project or {}
self.by_user = by_user or {}
self.by_class = by_class or {}
self.reservations = reservations or []
def get_defaults(self, context, resources):
self.called.append(('get_defaults', context, resources))
return resources
def get_class_quotas(self, context, resources, quota_class):
self.called.append(('get_class_quotas', context, resources,
quota_class))
return resources
def get_user_quotas(self, context, resources, project_id, user_id,
quota_class=None, usages=True):
self.called.append(('get_user_quotas', context, resources,
project_id, user_id, quota_class,
usages))
return resources
def get_project_quotas(self, context, resources, project_id,
quota_class=None, usages=True,
remains=False):
self.called.append(('get_project_quotas', context, resources,
project_id, quota_class, usages,
remains))
return resources
def limit_check(self, context, resources, values, project_id=None,
user_id=None):
self.called.append(('limit_check', context, resources,
values, project_id, user_id))
def limit_check_project_and_user(self, context, resources,
project_values=None, user_values=None,
project_id=None, user_id=None):
self.called.append(('limit_check_project_and_user', context, resources,
project_values, user_values, project_id, user_id))
class BaseResourceTestCase(test.TestCase):
def test_no_flag(self):
resource = quota.BaseResource('test_resource')
self.assertEqual(resource.name, 'test_resource')
self.assertIsNone(resource.flag)
self.assertEqual(resource.default, -1)
def test_with_flag(self):
# We know this flag exists, so use it...
self.flags(instances=10, group='quota')
resource = quota.BaseResource('test_resource', 'instances')
self.assertEqual(resource.name, 'test_resource')
self.assertEqual(resource.flag, 'instances')
self.assertEqual(resource.default, 10)
def test_with_flag_no_quota(self):
self.flags(instances=-1, group='quota')
resource = quota.BaseResource('test_resource', 'instances')
self.assertEqual(resource.name, 'test_resource')
self.assertEqual(resource.flag, 'instances')
self.assertEqual(resource.default, -1)
def test_valid_method_call_check_invalid_input(self):
resources = {'dummy': 1}
self.assertRaises(exception.InvalidQuotaMethodUsage,
quota._valid_method_call_check_resources,
resources, 'limit', quota.QUOTAS._resources)
def test_valid_method_call_check_invalid_method(self):
resources = {'key_pairs': 1}
self.assertRaises(exception.InvalidQuotaMethodUsage,
quota._valid_method_call_check_resources,
resources, 'dummy', quota.QUOTAS._resources)
def test_valid_method_call_check_multiple(self):
resources = {'key_pairs': 1, 'dummy': 2}
self.assertRaises(exception.InvalidQuotaMethodUsage,
quota._valid_method_call_check_resources,
resources, 'check', quota.QUOTAS._resources)
resources = {'key_pairs': 1, 'instances': 2, 'dummy': 3}
self.assertRaises(exception.InvalidQuotaMethodUsage,
quota._valid_method_call_check_resources,
resources, 'check', quota.QUOTAS._resources)
def test_valid_method_call_check_wrong_method(self):
resources = {'key_pairs': 1}
engine_resources = {'key_pairs': quota.CountableResource('key_pairs',
None,
'key_pairs')}
self.assertRaises(exception.InvalidQuotaMethodUsage,
quota._valid_method_call_check_resources,
resources, 'bogus', engine_resources)
class QuotaEngineTestCase(test.TestCase):
def test_init(self):
quota_obj = quota.QuotaEngine()
self.assertIsInstance(quota_obj._driver, quota.DbQuotaDriver)
def test_init_override_obj(self):
quota_obj = quota.QuotaEngine(quota_driver=FakeDriver)
self.assertEqual(quota_obj._driver, FakeDriver)
def _get_quota_engine(self, driver, resources=None):
resources = resources or [
quota.AbsoluteResource('test_resource4'),
quota.AbsoluteResource('test_resource3'),
quota.AbsoluteResource('test_resource2'),
quota.AbsoluteResource('test_resource1'),
]
return quota.QuotaEngine(quota_driver=driver, resources=resources)
def test_get_defaults(self):
context = FakeContext(None, None)
driver = FakeDriver()
quota_obj = self._get_quota_engine(driver)
result = quota_obj.get_defaults(context)
self.assertEqual(driver.called, [
('get_defaults', context, quota_obj._resources),
])
self.assertEqual(result, quota_obj._resources)
def test_get_class_quotas(self):
context = FakeContext(None, None)
driver = FakeDriver()
quota_obj = self._get_quota_engine(driver)
result1 = quota_obj.get_class_quotas(context, 'test_class')
self.assertEqual(driver.called, [
('get_class_quotas', context, quota_obj._resources,
'test_class'),
])
self.assertEqual(result1, quota_obj._resources)
def test_get_user_quotas(self):
context = FakeContext(None, None)
driver = FakeDriver()
quota_obj = self._get_quota_engine(driver)
result1 = quota_obj.get_user_quotas(context, 'test_project',
'fake_user')
result2 = quota_obj.get_user_quotas(context, 'test_project',
'fake_user',
quota_class='test_class',
usages=False)
self.assertEqual(driver.called, [
('get_user_quotas', context, quota_obj._resources,
'test_project', 'fake_user', None, True),
('get_user_quotas', context, quota_obj._resources,
'test_project', 'fake_user', 'test_class', False),
])
self.assertEqual(result1, quota_obj._resources)
self.assertEqual(result2, quota_obj._resources)
def test_get_project_quotas(self):
context = FakeContext(None, None)
driver = FakeDriver()
quota_obj = self._get_quota_engine(driver)
result1 = quota_obj.get_project_quotas(context, 'test_project')
result2 = quota_obj.get_project_quotas(context, 'test_project',
quota_class='test_class',
usages=False)
self.assertEqual(driver.called, [
('get_project_quotas', context, quota_obj._resources,
'test_project', None, True, False),
('get_project_quotas', context, quota_obj._resources,
'test_project', 'test_class', False, False),
])
self.assertEqual(result1, quota_obj._resources)
self.assertEqual(result2, quota_obj._resources)
def test_count_as_dict_no_resource(self):
context = FakeContext(None, None)
driver = FakeDriver()
quota_obj = self._get_quota_engine(driver)
self.assertRaises(exception.QuotaResourceUnknown,
quota_obj.count_as_dict, context, 'test_resource5',
True, foo='bar')
def test_count_as_dict_wrong_resource(self):
context = FakeContext(None, None)
driver = FakeDriver()
quota_obj = self._get_quota_engine(driver)
self.assertRaises(exception.QuotaResourceUnknown,
quota_obj.count_as_dict, context, 'test_resource1',
True, foo='bar')
def test_count_as_dict(self):
def fake_count_as_dict(context, *args, **kwargs):
self.assertEqual(args, (True,))
self.assertEqual(kwargs, dict(foo='bar'))
return {'project': {'test_resource5': 5}}
context = FakeContext(None, None)
driver = FakeDriver()
resources = [
quota.CountableResource('test_resource5', fake_count_as_dict),
]
quota_obj = self._get_quota_engine(driver, resources)
result = quota_obj.count_as_dict(context, 'test_resource5', True,
foo='bar')
self.assertEqual({'project': {'test_resource5': 5}}, result)
def test_limit_check(self):
context = FakeContext(None, None)
driver = FakeDriver()
quota_obj = self._get_quota_engine(driver)
quota_obj.limit_check(context, test_resource1=4, test_resource2=3,
test_resource3=2, test_resource4=1)
self.assertEqual(driver.called, [
('limit_check', context, quota_obj._resources, dict(
test_resource1=4,
test_resource2=3,
test_resource3=2,
test_resource4=1,
), None, None),
])
def test_limit_check_project_and_user(self):
context = FakeContext(None, None)
driver = FakeDriver()
quota_obj = self._get_quota_engine(driver)
project_values = dict(test_resource1=4, test_resource2=3)
user_values = dict(test_resource3=2, test_resource4=1)
quota_obj.limit_check_project_and_user(context,
project_values=project_values,
user_values=user_values)
self.assertEqual([('limit_check_project_and_user', context,
quota_obj._resources,
dict(test_resource1=4, test_resource2=3),
dict(test_resource3=2, test_resource4=1),
None, None)],
driver.called)
def test_resources(self):
quota_obj = self._get_quota_engine(None)
self.assertEqual(quota_obj.resources,
['test_resource1', 'test_resource2',
'test_resource3', 'test_resource4'])
class DbQuotaDriverTestCase(test.TestCase):
def setUp(self):
super(DbQuotaDriverTestCase, self).setUp()
self.flags(instances=10,
cores=20,
ram=50 * 1024,
metadata_items=128,
injected_files=5,
injected_file_content_bytes=10 * 1024,
injected_file_path_length=255,
server_groups=10,
server_group_members=10,
group='quota'
)
self.driver = quota.DbQuotaDriver()
self.calls = []
self.useFixture(test.TimeOverride())
def test_get_defaults(self):
# Use our pre-defined resources
self._stub_quota_class_get_default()
result = self.driver.get_defaults(None, quota.QUOTAS._resources)
self.assertEqual(result, dict(
instances=5,
cores=20,
ram=25 * 1024,
metadata_items=64,
injected_files=5,
injected_file_content_bytes=5 * 1024,
injected_file_path_bytes=255,
key_pairs=100,
server_groups=10,
server_group_members=10,
security_groups=-1,
security_group_rules=-1,
fixed_ips=-1,
floating_ips=-1,
))
def _stub_quota_class_get_default(self):
# Stub out quota_class_get_default
def fake_qcgd(cls, context):
self.calls.append('quota_class_get_default')
return dict(
instances=5,
ram=25 * 1024,
metadata_items=64,
injected_file_content_bytes=5 * 1024,
)
self.stub_out('nova.objects.Quotas.get_default_class', fake_qcgd)
def _stub_quota_class_get_all_by_name(self):
# Stub out quota_class_get_all_by_name
def fake_qcgabn(cls, context, quota_class):
self.calls.append('quota_class_get_all_by_name')
self.assertEqual(quota_class, 'test_class')
return dict(
instances=5,
ram=25 * 1024,
metadata_items=64,
injected_file_content_bytes=5 * 1024,
)
self.stub_out('nova.objects.Quotas.get_all_class_by_name', fake_qcgabn)
def test_get_class_quotas(self):
self._stub_quota_class_get_all_by_name()
result = self.driver.get_class_quotas(None, quota.QUOTAS._resources,
'test_class')
self.assertEqual(self.calls, ['quota_class_get_all_by_name'])
self.assertEqual(result, dict(
instances=5,
cores=20,
ram=25 * 1024,
metadata_items=64,
injected_files=5,
injected_file_content_bytes=5 * 1024,
injected_file_path_bytes=255,
key_pairs=100,
server_groups=10,
server_group_members=10,
floating_ips=-1,
fixed_ips=-1,
security_groups=-1,
security_group_rules=-1,
))
def _stub_get_by_project_and_user(self):
def fake_qgabpau(context, project_id, user_id):
self.calls.append('quota_get_all_by_project_and_user')
self.assertEqual(project_id, 'test_project')
self.assertEqual(user_id, 'fake_user')
return dict(
cores=10,
injected_files=2,
injected_file_path_bytes=127,
)
def fake_qgabp(context, project_id):
self.calls.append('quota_get_all_by_project')
self.assertEqual(project_id, 'test_project')
return {
'cores': 10,
'injected_files': 2,
'injected_file_path_bytes': 127,
}
self.stub_out('nova.db.api.quota_get_all_by_project_and_user',
fake_qgabpau)
self.stub_out('nova.db.api.quota_get_all_by_project', fake_qgabp)
self._stub_quota_class_get_all_by_name()
def _get_fake_countable_resources(self):
# Create several countable resources with fake count functions
def fake_instances_cores_ram_count(*a, **k):
return {'project': {'instances': 2, 'cores': 4, 'ram': 1024},
'user': {'instances': 1, 'cores': 2, 'ram': 512}}
def fake_server_group_count(*a, **k):
return {'project': {'server_groups': 5},
'user': {'server_groups': 3}}
resources = {}
resources['key_pairs'] = quota.CountableResource(
'key_pairs', lambda *a, **k: {'user': {'key_pairs': 1}},
'key_pairs')
resources['instances'] = quota.CountableResource(
'instances', fake_instances_cores_ram_count, 'instances')
resources['cores'] = quota.CountableResource(
'cores', fake_instances_cores_ram_count, 'cores')
resources['ram'] = quota.CountableResource(
'ram', fake_instances_cores_ram_count, 'ram')
resources['server_groups'] = quota.CountableResource(
'server_groups', fake_server_group_count, 'server_groups')
resources['server_group_members'] = quota.CountableResource(
'server_group_members',
lambda *a, **k: {'user': {'server_group_members': 7}},
'server_group_members')
resources['floating_ips'] = quota.AbsoluteResource('floating_ips')
resources['fixed_ips'] = quota.AbsoluteResource('fixed_ips')
resources['security_groups'] = quota.AbsoluteResource(
'security_groups')
resources['security_group_rules'] = quota.AbsoluteResource(
'security_group_rules')
return resources
def test_get_usages_for_project(self):
resources = self._get_fake_countable_resources()
actual = self.driver._get_usages(
FakeContext('test_project', 'test_class'), resources,
'test_project')
# key_pairs, server_group_members, and security_group_rules are never
# counted as a usage. Their counts are only for quota limit checking.
expected = {'key_pairs': {'in_use': 0},
'instances': {'in_use': 2},
'cores': {'in_use': 4},
'ram': {'in_use': 1024},
'server_groups': {'in_use': 5},
'server_group_members': {'in_use': 0}}
self.assertEqual(expected, actual)
def test_get_usages_for_user(self):
resources = self._get_fake_countable_resources()
actual = self.driver._get_usages(
FakeContext('test_project', 'test_class'), resources,
'test_project', user_id='fake_user')
# key_pairs, server_group_members, and security_group_rules are never
# counted as a usage. Their counts are only for quota limit checking.
expected = {'key_pairs': {'in_use': 0},
'instances': {'in_use': 1},
'cores': {'in_use': 2},
'ram': {'in_use': 512},
'server_groups': {'in_use': 3},
'server_group_members': {'in_use': 0}}
self.assertEqual(expected, actual)
@mock.patch('nova.quota.DbQuotaDriver._get_usages',
side_effect=_get_fake_get_usages())
def test_get_user_quotas(self, mock_get_usages):
self.maxDiff = None
self._stub_get_by_project_and_user()
ctxt = FakeContext('test_project', 'test_class')
result = self.driver.get_user_quotas(
ctxt, quota.QUOTAS._resources, 'test_project', 'fake_user')
self.assertEqual(self.calls, [
'quota_get_all_by_project_and_user',
'quota_get_all_by_project',
'quota_class_get_all_by_name',
])
mock_get_usages.assert_called_once_with(ctxt, quota.QUOTAS._resources,
'test_project',
user_id='fake_user')
self.assertEqual(result, dict(
instances=dict(
limit=5,
in_use=2,
),
cores=dict(
limit=10,
in_use=4,
),
ram=dict(
limit=25 * 1024,
in_use=10 * 1024,
),
floating_ips=dict(
limit=-1,
in_use=0,
),
fixed_ips=dict(
limit=-1,
in_use=0,
),
metadata_items=dict(
limit=64,
in_use=0,
),
injected_files=dict(
limit=2,
in_use=0,
),
injected_file_content_bytes=dict(
limit=5 * 1024,
in_use=0,
),
injected_file_path_bytes=dict(
limit=127,
in_use=0,
),
security_groups=dict(
limit=-1,
in_use=0,
),
security_group_rules=dict(
limit=-1,
in_use=0,
),
key_pairs=dict(
limit=100,
in_use=2,
),
server_groups=dict(
limit=10,
in_use=0,
),
server_group_members=dict(
limit=10,
in_use=3,
),
))
def _stub_get_by_project_and_user_specific(self):
def fake_quota_get(context, project_id, resource, user_id=None):
self.calls.append('quota_get')
self.assertEqual(project_id, 'test_project')
self.assertEqual(user_id, 'fake_user')
self.assertEqual(resource, 'test_resource')
return dict(
test_resource=dict(in_use=20),
)
self.stub_out('nova.db.api.quota_get', fake_quota_get)
def _stub_get_by_project(self):
def fake_qgabp(context, project_id):
self.calls.append('quota_get_all_by_project')
self.assertEqual(project_id, 'test_project')
return dict(
cores=10,
injected_files=2,
injected_file_path_bytes=127,
)
def fake_quota_get_all(context, project_id):
self.calls.append('quota_get_all')
self.assertEqual(project_id, 'test_project')
return [sqa_models.ProjectUserQuota(resource='instances',
hard_limit=5),
sqa_models.ProjectUserQuota(resource='cores',
hard_limit=2)]
self.stub_out('nova.db.api.quota_get_all_by_project', fake_qgabp)
self.stub_out('nova.db.api.quota_get_all', fake_quota_get_all)
self._stub_quota_class_get_all_by_name()
self._stub_quota_class_get_default()
@mock.patch('nova.quota.DbQuotaDriver._get_usages',
side_effect=_get_fake_get_usages())
def test_get_project_quotas(self, mock_get_usages):
self.maxDiff = None
self._stub_get_by_project()
ctxt = FakeContext('test_project', 'test_class')
result = self.driver.get_project_quotas(
ctxt, quota.QUOTAS._resources, 'test_project')
self.assertEqual(self.calls, [
'quota_get_all_by_project',
'quota_class_get_all_by_name',
'quota_class_get_default',
])
mock_get_usages.assert_called_once_with(ctxt, quota.QUOTAS._resources,
'test_project')
self.assertEqual(result, dict(
instances=dict(
limit=5,
in_use=2,
),
cores=dict(
limit=10,
in_use=4,
),
ram=dict(
limit=25 * 1024,
in_use=10 * 1024,
),
floating_ips=dict(
limit=-1,
in_use=0,
),
fixed_ips=dict(
limit=-1,
in_use=0,
),
metadata_items=dict(
limit=64,
in_use=0,
),
injected_files=dict(
limit=2,
in_use=0,
),
injected_file_content_bytes=dict(
limit=5 * 1024,
in_use=0,
),
injected_file_path_bytes=dict(
limit=127,
in_use=0,
),
security_groups=dict(
limit=-1,
in_use=0,
),
security_group_rules=dict(
limit=-1,
in_use=0,
),
key_pairs=dict(
limit=100,
in_use=2,
),
server_groups=dict(
limit=10,
in_use=0,
),
server_group_members=dict(
limit=10,
in_use=3,
),
))
@mock.patch('nova.quota.DbQuotaDriver._get_usages',
side_effect=_get_fake_get_usages())
def test_get_project_quotas_with_remains(self, mock_get_usages):
self.maxDiff = None
self._stub_get_by_project()
ctxt = FakeContext('test_project', 'test_class')
result = self.driver.get_project_quotas(
ctxt, quota.QUOTAS._resources, 'test_project', remains=True)
self.assertEqual(self.calls, [
'quota_get_all_by_project',
'quota_class_get_all_by_name',
'quota_class_get_default',
'quota_get_all',
])
mock_get_usages.assert_called_once_with(ctxt, quota.QUOTAS._resources,
'test_project')
self.assertEqual(result, dict(
instances=dict(
limit=5,
in_use=2,
remains=0,
),
cores=dict(
limit=10,
in_use=4,
remains=8,
),
ram=dict(
limit=25 * 1024,
in_use=10 * 1024,
remains=25 * 1024,
),
floating_ips=dict(
limit=-1,
in_use=0,
remains=-1,
),
fixed_ips=dict(
limit=-1,
in_use=0,
remains=-1,
),
metadata_items=dict(
limit=64,
in_use=0,
remains=64,
),
injected_files=dict(
limit=2,
in_use=0,
remains=2,
),
injected_file_content_bytes=dict(
limit=5 * 1024,
in_use=0,
remains=5 * 1024,
),
injected_file_path_bytes=dict(
limit=127,
in_use=0,
remains=127,
),
security_groups=dict(
limit=-1,
in_use=0,
remains=-1,
),
security_group_rules=dict(
limit=-1,
in_use=0,
remains=-1,
),
key_pairs=dict(
limit=100,
in_use=2,
remains=100,
),
server_groups=dict(
limit=10,
in_use=0,
remains=10,
),
server_group_members=dict(
limit=10,
in_use=3,
remains=10,
),
))
@mock.patch('nova.quota.DbQuotaDriver._get_usages',
side_effect=_get_fake_get_usages())
def test_get_user_quotas_alt_context_no_class(self, mock_get_usages):
self.maxDiff = None
self._stub_get_by_project_and_user()
ctxt = FakeContext('other_project', None)
result = self.driver.get_user_quotas(
ctxt, quota.QUOTAS._resources, 'test_project', 'fake_user')
self.assertEqual(self.calls, [
'quota_get_all_by_project_and_user',
'quota_get_all_by_project',
])
mock_get_usages.assert_called_once_with(ctxt, quota.QUOTAS._resources,
'test_project',
user_id='fake_user')
self.assertEqual(result, dict(
instances=dict(
limit=10,
in_use=2,
),
cores=dict(
limit=10,
in_use=4,
),
ram=dict(
limit=50 * 1024,
in_use=10 * 1024,
),
floating_ips=dict(
limit=-1,
in_use=0,
),
fixed_ips=dict(
limit=-1,
in_use=0,
),
metadata_items=dict(
limit=128,
in_use=0,
),
injected_files=dict(
limit=2,
in_use=0,
),
injected_file_content_bytes=dict(
limit=10 * 1024,
in_use=0,
),
injected_file_path_bytes=dict(
limit=127,
in_use=0,
),
security_groups=dict(
limit=-1,
in_use=0,
),
security_group_rules=dict(
limit=-1,
in_use=0,
),
key_pairs=dict(
limit=100,
in_use=2,
),
server_groups=dict(
limit=10,
in_use=0,
),
server_group_members=dict(
limit=10,
in_use=3,
),
))
@mock.patch('nova.quota.DbQuotaDriver._get_usages',
side_effect=_get_fake_get_usages())
def test_get_project_quotas_alt_context_no_class(self, mock_get_usages):
self.maxDiff = None
self._stub_get_by_project()
ctxt = FakeContext('other_project', None)
result = self.driver.get_project_quotas(
ctxt, quota.QUOTAS._resources, 'test_project')
self.assertEqual(self.calls, [
'quota_get_all_by_project',
'quota_class_get_default',
])
mock_get_usages.assert_called_once_with(ctxt, quota.QUOTAS._resources,
'test_project')
self.assertEqual(result, dict(
instances=dict(
limit=5,
in_use=2,
),
cores=dict(
limit=10,
in_use=4,
),
ram=dict(
limit=25 * 1024,
in_use=10 * 1024,
),
floating_ips=dict(
limit=-1,
in_use=0,
),
fixed_ips=dict(
limit=-1,
in_use=0,
),
metadata_items=dict(
limit=64,
in_use=0,
),
injected_files=dict(
limit=2,
in_use=0,
),
injected_file_content_bytes=dict(
limit=5 * 1024,
in_use=0,
),
injected_file_path_bytes=dict(
limit=127,
in_use=0,
),
security_groups=dict(
limit=-1,
in_use=0,
),
security_group_rules=dict(
limit=-1,
in_use=0,
),
key_pairs=dict(
limit=100,
in_use=2,
),
server_groups=dict(
limit=10,
in_use=0,
),
server_group_members=dict(
limit=10,
in_use=3,
),
))
@mock.patch('nova.quota.DbQuotaDriver._get_usages',
side_effect=_get_fake_get_usages())
def test_get_user_quotas_alt_context_with_class(self, mock_get_usages):
self.maxDiff = None
self._stub_get_by_project_and_user()
ctxt = FakeContext('other_project', 'other_class')
result = self.driver.get_user_quotas(
ctxt, quota.QUOTAS._resources, 'test_project', 'fake_user',
quota_class='test_class')
self.assertEqual(self.calls, [
'quota_get_all_by_project_and_user',
'quota_get_all_by_project',
'quota_class_get_all_by_name',
])
mock_get_usages.assert_called_once_with(ctxt, quota.QUOTAS._resources,
'test_project',
user_id='fake_user')
self.assertEqual(result, dict(
instances=dict(
limit=5,
in_use=2,
),
cores=dict(
limit=10,
in_use=4,
),
ram=dict(
limit=25 * 1024,
in_use=10 * 1024,
),
floating_ips=dict(
limit=-1,
in_use=0,
),
fixed_ips=dict(
limit=-1,
in_use=0,
),
metadata_items=dict(
limit=64,
in_use=0,
),
injected_files=dict(
limit=2,
in_use=0,
),
injected_file_content_bytes=dict(
limit=5 * 1024,
in_use=0,
),
injected_file_path_bytes=dict(
limit=127,
in_use=0,
),
security_groups=dict(
limit=-1,
in_use=0,
),
security_group_rules=dict(
limit=-1,
in_use=0,
),
key_pairs=dict(
limit=100,
in_use=2,
),
server_groups=dict(
limit=10,
in_use=0,
),
server_group_members=dict(
limit=10,
in_use=3,
),
))
@mock.patch('nova.quota.DbQuotaDriver._get_usages',
side_effect=_get_fake_get_usages())
def test_get_project_quotas_alt_context_with_class(self, mock_get_usages):
self.maxDiff = None
self._stub_get_by_project()
ctxt = FakeContext('other_project', 'other_class')
result = self.driver.get_project_quotas(
ctxt, quota.QUOTAS._resources, 'test_project',
quota_class='test_class')
self.assertEqual(self.calls, [
'quota_get_all_by_project',
'quota_class_get_all_by_name',
'quota_class_get_default',
])
mock_get_usages.assert_called_once_with(ctxt, quota.QUOTAS._resources,
'test_project')
self.assertEqual(result, dict(
instances=dict(
limit=5,
in_use=2,
),
cores=dict(
limit=10,
in_use=4,
),
ram=dict(
limit=25 * 1024,
in_use=10 * 1024,
),
floating_ips=dict(
limit=-1,
in_use=0,
),
fixed_ips=dict(
limit=-1,
in_use=0,
),
metadata_items=dict(
limit=64,
in_use=0,
),
injected_files=dict(
limit=2,
in_use=0,
),
injected_file_content_bytes=dict(
limit=5 * 1024,
in_use=0,
),
injected_file_path_bytes=dict(
limit=127,
in_use=0,
),
security_groups=dict(
limit=-1,
in_use=0,
),
security_group_rules=dict(
limit=-1,
in_use=0,
),
key_pairs=dict(
limit=100,
in_use=2,
),
server_groups=dict(
limit=10,
in_use=0,
),
server_group_members=dict(
limit=10,
in_use=3,
),
))
def test_get_user_quotas_no_usages(self):
self._stub_get_by_project_and_user()
result = self.driver.get_user_quotas(
FakeContext('test_project', 'test_class'),
quota.QUOTAS._resources, 'test_project', 'fake_user', usages=False)
self.assertEqual(self.calls, [
'quota_get_all_by_project_and_user',
'quota_get_all_by_project',
'quota_class_get_all_by_name',
])
self.assertEqual(result, dict(
instances=dict(
limit=5,
),
cores=dict(
limit=10,
),
ram=dict(
limit=25 * 1024,
),
floating_ips=dict(
limit=-1,
),
fixed_ips=dict(
limit=-1,
),
metadata_items=dict(
limit=64,
),
injected_files=dict(
limit=2,
),
injected_file_content_bytes=dict(
limit=5 * 1024,
),
injected_file_path_bytes=dict(
limit=127,
),
security_groups=dict(
limit=-1,
),
security_group_rules=dict(
limit=-1,
),
key_pairs=dict(
limit=100,
),
server_groups=dict(
limit=10,
),
server_group_members=dict(
limit=10,
),
))
def test_get_project_quotas_no_usages(self):
self._stub_get_by_project()
result = self.driver.get_project_quotas(
FakeContext('test_project', 'test_class'),
quota.QUOTAS._resources, 'test_project', usages=False)
self.assertEqual(self.calls, [
'quota_get_all_by_project',
'quota_class_get_all_by_name',
'quota_class_get_default',
])
self.assertEqual(result, dict(
instances=dict(
limit=5,
),
cores=dict(
limit=10,
),
ram=dict(
limit=25 * 1024,
),
floating_ips=dict(
limit=-1,
),
fixed_ips=dict(
limit=-1,
),
metadata_items=dict(
limit=64,
),
injected_files=dict(
limit=2,
),
injected_file_content_bytes=dict(
limit=5 * 1024,
),
injected_file_path_bytes=dict(
limit=127,
),
security_groups=dict(
limit=-1,
),
security_group_rules=dict(
limit=-1,
),
key_pairs=dict(
limit=100,
),
server_groups=dict(
limit=10,
),
server_group_members=dict(
limit=10,
),
))
def _stub_get_settable_quotas(self):
def fake_quota_get_all_by_project(context, project_id):
self.calls.append('quota_get_all_by_project')
return {'floating_ips': -1}
def fake_get_project_quotas(dbdrv, context, resources, project_id,
quota_class=None,
usages=True, remains=False,
project_quotas=None):
self.calls.append('get_project_quotas')
result = {}
for k, v in resources.items():
limit = v.default
if k == 'instances':
remains = v.default - 5
in_use = 1
elif k == 'cores':
remains = -1
in_use = 5
limit = -1
elif k == 'floating_ips':
remains = -1
in_use = 0
limit = -1
else:
remains = v.default
in_use = 0
result[k] = {'limit': limit, 'in_use': in_use,
'remains': remains}
return result
def fake_process_quotas_in_get_user_quotas(dbdrv, context, resources,
project_id, quotas,
quota_class=None,
usages=None,
remains=False):
self.calls.append('_process_quotas')
result = {}
for k, v in resources.items():
if k == 'instances':
in_use = 1
elif k == 'cores':
in_use = 15
else:
in_use = 0
result[k] = {'limit': v.default,
'in_use': in_use}
return result
def fake_qgabpau(context, project_id, user_id):
self.calls.append('quota_get_all_by_project_and_user')
return {'instances': 2, 'cores': -1}
self.stub_out('nova.db.api.quota_get_all_by_project',
fake_quota_get_all_by_project)
self.stub_out('nova.quota.DbQuotaDriver.get_project_quotas',
fake_get_project_quotas)
self.stub_out('nova.quota.DbQuotaDriver._process_quotas',
fake_process_quotas_in_get_user_quotas)
self.stub_out('nova.db.api.quota_get_all_by_project_and_user',
fake_qgabpau)
def test_get_settable_quotas_with_user(self):
self._stub_get_settable_quotas()
result = self.driver.get_settable_quotas(
FakeContext('test_project', 'test_class'),
quota.QUOTAS._resources, 'test_project', user_id='test_user')
self.assertEqual(self.calls, [
'quota_get_all_by_project',
'get_project_quotas',
'quota_get_all_by_project_and_user',
'_process_quotas',
])
self.assertEqual(result, {
'instances': {
'minimum': 1,
'maximum': 7,
},
'cores': {
'minimum': 15,
'maximum': -1,
},
'ram': {
'minimum': 0,
'maximum': 50 * 1024,
},
'floating_ips': {
'minimum': 0,
'maximum': -1,
},
'fixed_ips': {
'minimum': 0,
'maximum': -1,
},
'metadata_items': {
'minimum': 0,
'maximum': 128,
},
'injected_files': {
'minimum': 0,
'maximum': 5,
},
'injected_file_content_bytes': {
'minimum': 0,
'maximum': 10 * 1024,
},
'injected_file_path_bytes': {
'minimum': 0,
'maximum': 255,
},
'security_groups': {
'minimum': 0,
'maximum': -1,
},
'security_group_rules': {
'minimum': 0,
'maximum': -1,
},
'key_pairs': {
'minimum': 0,
'maximum': 100,
},
'server_groups': {
'minimum': 0,
'maximum': 10,
},
'server_group_members': {
'minimum': 0,
'maximum': 10,
},
})
def test_get_settable_quotas_without_user(self):
self._stub_get_settable_quotas()
result = self.driver.get_settable_quotas(
FakeContext('test_project', 'test_class'),
quota.QUOTAS._resources, 'test_project')
self.assertEqual(self.calls, [
'quota_get_all_by_project',
'get_project_quotas',
])
self.assertEqual(result, {
'instances': {
'minimum': 5,
'maximum': -1,
},
'cores': {
'minimum': 5,
'maximum': -1,
},
'ram': {
'minimum': 0,
'maximum': -1,
},
'floating_ips': {
'minimum': 0,
'maximum': -1,
},
'fixed_ips': {
'minimum': 0,
'maximum': -1,
},
'metadata_items': {
'minimum': 0,
'maximum': -1,
},
'injected_files': {
'minimum': 0,
'maximum': -1,
},
'injected_file_content_bytes': {
'minimum': 0,
'maximum': -1,
},
'injected_file_path_bytes': {
'minimum': 0,
'maximum': -1,
},
'security_groups': {
'minimum': 0,
'maximum': -1,
},
'security_group_rules': {
'minimum': 0,
'maximum': -1,
},
'key_pairs': {
'minimum': 0,
'maximum': -1,
},
'server_groups': {
'minimum': 0,
'maximum': -1,
},
'server_group_members': {
'minimum': 0,
'maximum': -1,
},
})
def test_get_settable_quotas_by_user_with_unlimited_value(self):
self._stub_get_settable_quotas()
result = self.driver.get_settable_quotas(
FakeContext('test_project', 'test_class'),
quota.QUOTAS._resources, 'test_project', user_id='test_user')
self.assertEqual(self.calls, [
'quota_get_all_by_project',
'get_project_quotas',
'quota_get_all_by_project_and_user',
'_process_quotas',
])
self.assertEqual(result, {
'instances': {
'minimum': 1,
'maximum': 7,
},
'cores': {
'minimum': 15,
'maximum': -1,
},
'ram': {
'minimum': 0,
'maximum': 50 * 1024,
},
'floating_ips': {
'minimum': 0,
'maximum': -1,
},
'fixed_ips': {
'minimum': 0,
'maximum': -1,
},
'metadata_items': {
'minimum': 0,
'maximum': 128,
},
'injected_files': {
'minimum': 0,
'maximum': 5,
},
'injected_file_content_bytes': {
'minimum': 0,
'maximum': 10 * 1024,
},
'injected_file_path_bytes': {
'minimum': 0,
'maximum': 255,
},
'security_groups': {
'minimum': 0,
'maximum': -1,
},
'security_group_rules': {
'minimum': 0,
'maximum': -1,
},
'key_pairs': {
'minimum': 0,
'maximum': 100,
},
'server_groups': {
'minimum': 0,
'maximum': 10,
},
'server_group_members': {
'minimum': 0,
'maximum': 10,
},
})
def _stub_get_project_quotas(self):
def fake_get_project_quotas(dbdrv, context, resources, project_id,
quota_class=None,
usages=True, remains=False,
project_quotas=None):
self.calls.append('get_project_quotas')
return {k: dict(limit=v.default) for k, v in resources.items()}
self.stub_out('nova.quota.DbQuotaDriver.get_project_quotas',
fake_get_project_quotas)
def test_get_quotas_unknown(self):
self._stub_get_project_quotas()
self.assertRaises(exception.QuotaResourceUnknown,
self.driver._get_quotas,
None, quota.QUOTAS._resources,
['unknown'])
self.assertEqual(self.calls, [])
def test_limit_check_under(self):
self._stub_get_project_quotas()
self.assertRaises(exception.InvalidQuotaValue,
self.driver.limit_check,
FakeContext('test_project', 'test_class'),
quota.QUOTAS._resources,
dict(metadata_items=-1))
def test_limit_check_over(self):
self._stub_get_project_quotas()
self.assertRaises(exception.OverQuota,
self.driver.limit_check,
FakeContext('test_project', 'test_class'),
quota.QUOTAS._resources,
dict(metadata_items=129))
def test_limit_check_project_overs(self):
self._stub_get_project_quotas()
self.assertRaises(exception.OverQuota,
self.driver.limit_check,
FakeContext('test_project', 'test_class'),
quota.QUOTAS._resources,
dict(injected_file_content_bytes=10241,
injected_file_path_bytes=256))
def test_limit_check_unlimited(self):
self.flags(metadata_items=-1, group='quota')
self._stub_get_project_quotas()
self.driver.limit_check(FakeContext('test_project', 'test_class'),
quota.QUOTAS._resources,
dict(metadata_items=32767))
def test_limit_check(self):
self._stub_get_project_quotas()
self.driver.limit_check(FakeContext('test_project', 'test_class'),
quota.QUOTAS._resources,
dict(metadata_items=128))
def test_limit_check_project_and_user_no_values(self):
self.assertRaises(exception.Invalid,
self.driver.limit_check_project_and_user,
FakeContext('test_project', 'test_class'),
quota.QUOTAS._resources)
def test_limit_check_project_and_user_under(self):
self._stub_get_project_quotas()
ctxt = FakeContext('test_project', 'test_class')
resources = self._get_fake_countable_resources()
# Check: only project_values, only user_values, and then both.
kwargs = [{'project_values': {'fixed_ips': -1}},
{'user_values': {'key_pairs': -1}},
{'project_values': {'instances': -1},
'user_values': {'instances': -1}}]
for kwarg in kwargs:
self.assertRaises(exception.InvalidQuotaValue,
self.driver.limit_check_project_and_user,
ctxt, resources, **kwarg)
def test_limit_check_project_and_user_over_project(self):
# Check the case where user_values pass user quota but project_values
# exceed project quota.
self.flags(instances=5, group='quota')
self._stub_get_project_quotas()
resources = self._get_fake_countable_resources()
self.assertRaises(exception.OverQuota,
self.driver.limit_check_project_and_user,
FakeContext('test_project', 'test_class'),
resources,
project_values=dict(instances=6),
user_values=dict(instances=5))
def test_limit_check_project_and_user_over_user(self):
self.flags(instances=5, group='quota')
self._stub_get_project_quotas()
resources = self._get_fake_countable_resources()
# It's not realistic for user_values to be higher than project_values,
# but this is just for testing the fictional case where project_values
# pass project quota but user_values exceed user quota.
self.assertRaises(exception.OverQuota,
self.driver.limit_check_project_and_user,
FakeContext('test_project', 'test_class'),
resources,
project_values=dict(instances=5),
user_values=dict(instances=6))
def test_limit_check_project_and_user_overs(self):
self._stub_get_project_quotas()
ctxt = FakeContext('test_project', 'test_class')
resources = self._get_fake_countable_resources()
# Check: only project_values, only user_values, and then both.
kwargs = [{'project_values': {'instances': 512}},
{'user_values': {'key_pairs': 256}},
{'project_values': {'instances': 512},
'user_values': {'instances': 256}}]
for kwarg in kwargs:
self.assertRaises(exception.OverQuota,
self.driver.limit_check_project_and_user,
ctxt, resources, **kwarg)
def test_limit_check_project_and_user_unlimited(self):
self.flags(key_pairs=-1, group='quota')
self.flags(instances=-1, group='quota')
self._stub_get_project_quotas()
ctxt = FakeContext('test_project', 'test_class')
resources = self._get_fake_countable_resources()
# Check: only project_values, only user_values, and then both.
kwargs = [{'project_values': {'fixed_ips': 32767}},
{'user_values': {'key_pairs': 32767}},
{'project_values': {'instances': 32767},
'user_values': {'instances': 32767}}]
for kwarg in kwargs:
self.driver.limit_check_project_and_user(ctxt, resources, **kwarg)
def test_limit_check_project_and_user(self):
self._stub_get_project_quotas()
ctxt = FakeContext('test_project', 'test_class')
resources = self._get_fake_countable_resources()
# Check: only project_values, only user_values, and then both.
kwargs = [{'project_values': {'fixed_ips': 5}},
{'user_values': {'key_pairs': 5}},
{'project_values': {'instances': 5},
'user_values': {'instances': 5}}]
for kwarg in kwargs:
self.driver.limit_check_project_and_user(ctxt, resources, **kwarg)
def test_limit_check_project_and_user_zero_values(self):
"""Tests to make sure that we don't compare 0 to None and fail with
a TypeError in python 3 when calculating merged_values between
project_values and user_values.
"""
self._stub_get_project_quotas()
ctxt = FakeContext('test_project', 'test_class')
resources = self._get_fake_countable_resources()
# Check: only project_values, only user_values, and then both.
kwargs = [{'project_values': {'fixed_ips': 0}},
{'user_values': {'key_pairs': 0}},
{'project_values': {'instances': 0},
'user_values': {'instances': 0}}]
for kwarg in kwargs:
self.driver.limit_check_project_and_user(ctxt, resources, **kwarg)
class NoopQuotaDriverTestCase(test.TestCase):
def setUp(self):
super(NoopQuotaDriverTestCase, self).setUp()
self.flags(instances=10,
cores=20,
ram=50 * 1024,
metadata_items=128,
injected_files=5,
injected_file_content_bytes=10 * 1024,
injected_file_path_length=255,
group='quota'
)
self.expected_with_usages = {}
self.expected_without_usages = {}
self.expected_without_dict = {}
self.expected_settable_quotas = {}
for r in quota.QUOTAS._resources:
self.expected_with_usages[r] = dict(limit=-1,
in_use=-1)
self.expected_without_usages[r] = dict(limit=-1)
self.expected_without_dict[r] = -1
self.expected_settable_quotas[r] = dict(minimum=0, maximum=-1)
self.driver = quota.NoopQuotaDriver()
def test_get_defaults(self):
# Use our pre-defined resources
result = self.driver.get_defaults(None, quota.QUOTAS._resources)
self.assertEqual(self.expected_without_dict, result)
def test_get_class_quotas(self):
result = self.driver.get_class_quotas(None,
quota.QUOTAS._resources,
'test_class')
self.assertEqual(self.expected_without_dict, result)
def test_get_project_quotas(self):
result = self.driver.get_project_quotas(None,
quota.QUOTAS._resources,
'test_project')
self.assertEqual(self.expected_with_usages, result)
def test_get_user_quotas(self):
result = self.driver.get_user_quotas(None,
quota.QUOTAS._resources,
'test_project',
'fake_user')
self.assertEqual(self.expected_with_usages, result)
def test_get_project_quotas_no_usages(self):
result = self.driver.get_project_quotas(None,
quota.QUOTAS._resources,
'test_project',
usages=False)
self.assertEqual(self.expected_without_usages, result)
def test_get_user_quotas_no_usages(self):
result = self.driver.get_user_quotas(None,
quota.QUOTAS._resources,
'test_project',
'fake_user',
usages=False)
self.assertEqual(self.expected_without_usages, result)
def test_get_settable_quotas_with_user(self):
result = self.driver.get_settable_quotas(None,
quota.QUOTAS._resources,
'test_project',
'fake_user')
self.assertEqual(self.expected_settable_quotas, result)
def test_get_settable_quotas_without_user(self):
result = self.driver.get_settable_quotas(None,
quota.QUOTAS._resources,
'test_project')
self.assertEqual(self.expected_settable_quotas, result)
@ddt.ddt
class QuotaCountTestCase(test.NoDBTestCase):
@mock.patch('nova.scheduler.client.report.SchedulerReportClient.'
'get_usages_counts_for_quota')
def test_cores_ram_count_placement(self, mock_get_usages):
usages = quota._cores_ram_count_placement(
mock.sentinel.context, mock.sentinel.project_id,
user_id=mock.sentinel.user_id)
mock_get_usages.assert_called_once_with(
mock.sentinel.context, mock.sentinel.project_id,
user_id=mock.sentinel.user_id)
self.assertEqual(mock_get_usages.return_value, usages)
@mock.patch('nova.objects.InstanceMappingList.get_counts')
@mock.patch('nova.quota._cores_ram_count_placement')
def test_instances_cores_ram_count_api_db_placement(
self, mock_placement_count, mock_get_im_count):
# Fake response from placement with project and user usages of cores
# and ram.
mock_placement_count.return_value = {'project': {'cores': 2, 'ram': 4},
'user': {'cores': 1, 'ram': 2}}
# Fake count of instances based on instance mappings in the API DB.
mock_get_im_count.return_value = {'project': {'instances': 2},
'user': {'instances': 1}}
counts = quota._instances_cores_ram_count_api_db_placement(
mock.sentinel.context, mock.sentinel.project_id,
user_id=mock.sentinel.user_id)
mock_get_im_count.assert_called_once_with(
mock.sentinel.context, mock.sentinel.project_id,
user_id=mock.sentinel.user_id)
mock_placement_count.assert_called_once_with(
mock.sentinel.context, mock.sentinel.project_id,
user_id=mock.sentinel.user_id)
expected = {'project': {'instances': 2, 'cores': 2, 'ram': 4},
'user': {'instances': 1, 'cores': 1, 'ram': 2}}
self.assertDictEqual(expected, counts)
@ddt.data((True, True),
(True, False),
(False, True),
(False, False))
@ddt.unpack
@mock.patch('nova.quota.LOG.warning')
@mock.patch('nova.quota._user_id_queued_for_delete_populated')
@mock.patch('nova.quota._instances_cores_ram_count_legacy')
@mock.patch('nova.quota._instances_cores_ram_count_api_db_placement')
def test_instances_cores_ram_count(self, quota_from_placement,
uid_qfd_populated,
mock_api_db_placement_count,
mock_legacy_count,
mock_uid_qfd_populated, mock_warn_log):
# Check that all the combinations of
# [quota]count_usage_from_placement (True/False) and
# user_id_queued_for_delete_populated (True/False) do the right things.
# Fake count of instances, cores, and ram.
expected = {'project': {'instances': 2, 'cores': 2, 'ram': 4},
'user': {'instances': 1, 'cores': 1, 'ram': 2}}
mock_api_db_placement_count.return_value = expected
mock_legacy_count.return_value = expected
# user_id and queued_for_delete populated/migrated (True/False)
mock_uid_qfd_populated.return_value = uid_qfd_populated
# Counting quota usage from placement enabled (True/False)
self.flags(count_usage_from_placement=quota_from_placement,
group='quota')
counts = quota._instances_cores_ram_count(
mock.sentinel.context, mock.sentinel.project_id,
user_id=mock.sentinel.user_id)
if quota_from_placement and uid_qfd_populated:
# If we are counting quota usage from placement and user_id and
# queued_for_delete data has all been migrated, we should count
# instances from the API DB using instance mappings and count
# cores and ram from placement.
mock_api_db_placement_count.assert_called_once_with(
mock.sentinel.context, mock.sentinel.project_id,
user_id=mock.sentinel.user_id)
# We should not have called the legacy counting method.
mock_legacy_count.assert_not_called()
# We should not have logged a warn message saying we were falling
# back to the legacy counting method.
mock_warn_log.assert_not_called()
else:
# If counting quota usage from placement is not enabled or if
# user_id or queued_for_delete data has not all been migrated yet,
# we should use the legacy counting method.
mock_legacy_count.assert_called_once_with(
mock.sentinel.context, mock.sentinel.project_id,
user_id=mock.sentinel.user_id)
# We should have logged a warn message saying we were falling back
# to the legacy counting method.
if quota_from_placement:
# We only log the message if someone has opted in to counting
# from placement.
mock_warn_log.assert_called_once()
else:
mock_warn_log.assert_not_called()
# We should not have called the API DB and placement counting
# method.
mock_api_db_placement_count.assert_not_called()
self.assertDictEqual(expected, counts)
@mock.patch('nova.quota._user_id_queued_for_delete_populated')
@mock.patch('nova.quota._instances_cores_ram_count_legacy')
@mock.patch('nova.quota._instances_cores_ram_count_api_db_placement')
def test_user_id_queued_for_delete_populated_cache_by_project(
self, mock_api_db_placement_count, mock_legacy_count,
mock_uid_qfd_populated):
# We need quota usage from placement enabled to test this. For legacy
# counting, the cache is not used.
self.flags(count_usage_from_placement=True, group='quota')
# Fake count of instances, cores, and ram.
fake_counts = {'project': {'instances': 2, 'cores': 2, 'ram': 4},
'user': {'instances': 1, 'cores': 1, 'ram': 2}}
mock_api_db_placement_count.return_value = fake_counts
mock_legacy_count.return_value = fake_counts
# First, check the case where user_id and queued_for_delete are found
# not to be migrated.
mock_uid_qfd_populated.return_value = False
quota._instances_cores_ram_count(mock.sentinel.context,
mock.sentinel.project_id,
user_id=mock.sentinel.user_id)
mock_uid_qfd_populated.assert_called_once()
# The second call should check for unmigrated records again, since the
# project was found not to be completely migrated last time.
quota._instances_cores_ram_count(mock.sentinel.context,
mock.sentinel.project_id,
user_id=mock.sentinel.user_id)
self.assertEqual(2, mock_uid_qfd_populated.call_count)
# Now check the case where the data migration was found to be complete.
mock_uid_qfd_populated.reset_mock()
mock_uid_qfd_populated.return_value = True
# The first call will check whether there are any unmigrated records.
quota._instances_cores_ram_count(mock.sentinel.context,
mock.sentinel.project_id,
user_id=mock.sentinel.user_id)
mock_uid_qfd_populated.assert_called_once()
# Second call should skip the check for user_id and queued_for_delete
# migrated because the result was cached.
mock_uid_qfd_populated.reset_mock()
quota._instances_cores_ram_count(mock.sentinel.context,
mock.sentinel.project_id,
user_id=mock.sentinel.user_id)
mock_uid_qfd_populated.assert_not_called()
@mock.patch('nova.quota._user_id_queued_for_delete_populated')
@mock.patch('nova.quota._server_group_count_members_by_user_legacy')
@mock.patch('nova.objects.InstanceMappingList.get_count_by_uuids_and_user')
@mock.patch('nova.quota._instances_cores_ram_count_legacy')
@mock.patch('nova.quota._instances_cores_ram_count_api_db_placement')
def test_user_id_queued_for_delete_populated_cache_all(
self, mock_api_db_placement_count, mock_legacy_icr_count,
mock_api_db_sgm_count, mock_legacy_sgm_count,
mock_uid_qfd_populated):
# Check the case where the data migration was found to be complete by a
# server group members count not scoped to a project.
mock_uid_qfd_populated.return_value = True
# Server group members call will check whether there are any unmigrated
# records.
fake_group = mock.Mock()
quota._server_group_count_members_by_user(mock.sentinel.context,
fake_group,
mock.sentinel.user_id)
mock_uid_qfd_populated.assert_called_once()
# Second server group members call should skip the check for user_id
# and queued_for_delete migrated because the result was cached.
mock_uid_qfd_populated.reset_mock()
quota._server_group_count_members_by_user(mock.sentinel.context,
fake_group,
mock.sentinel.user_id)
mock_uid_qfd_populated.assert_not_called()
# A call to count instances, cores, and ram should skip the check for
# user_id and queued_for_delete migrated because the result was cached
# during the call to count server group members.
mock_uid_qfd_populated.reset_mock()
quota._instances_cores_ram_count(mock.sentinel.context,
mock.sentinel.project_id)
mock_uid_qfd_populated.assert_not_called()