# vim: tabstop=4 shiftwidth=4 softtabstop=4 # 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 datetime from manila import context from manila import db from manila.db.sqlalchemy import api as sqa_api from manila.db.sqlalchemy import models as sqa_models from manila import exception from manila.openstack.common import rpc from manila.openstack.common import timeutils from manila import quota from manila import share from manila import test import manila.tests.image.fake from oslo.config import cfg CONF = cfg.CONF class QuotaIntegrationTestCase(test.TestCase): def setUp(self): super(QuotaIntegrationTestCase, self).setUp() self.flags(quota_shares=2, quota_gigabytes=20) self.user_id = 'admin' self.project_id = 'admin' self.context = context.RequestContext(self.user_id, self.project_id, is_admin=True) orig_rpc_call = rpc.call def rpc_call_wrapper(context, topic, msg, timeout=None): return orig_rpc_call(context, topic, msg) self.stubs.Set(rpc, 'call', rpc_call_wrapper) def tearDown(self): super(QuotaIntegrationTestCase, self).tearDown() manila.tests.image.fake.FakeImageService_reset() def _create_share(self, size=10): """Create a test share.""" share = {} share['user_id'] = self.user_id share['project_id'] = self.project_id share['size'] = size share['status'] = 'available' return db.share_create(self.context, share) def _create_snapshot(self, share): snapshot = {} snapshot['user_id'] = self.user_id snapshot['project_id'] = self.project_id snapshot['share_id'] = share['id'] snapshot['share_size'] = share['size'] snapshot['status'] = 'available' return db.share_snapshot_create(self.context, snapshot) @test.skip_test("SQLAlchemy sqlite insert bug") def test_too_many_shares(self): share_ids = [] for i in range(CONF.quota_shares): share_ref = self._create_share() share_ids.append(share_ref['id']) self.assertRaises(exception.QuotaError, share.API().create, self.context, 'nfs', 10, '', '', None) for share_id in share_ids: db.share_delete(self.context, share_id) @test.skip_test("SQLAlchemy sqlite insert bug") def test_too_many_gigabytes(self): share_ids = [] share_ref = self._create_share(size=20) share_ids.append(share_ref['id']) self.assertRaises(exception.QuotaError, share.API().create, self.context, 'cifs', 10, '', '', None) for share_id in share_ids: db.share_delete(self.context, share_id) class FakeContext(object): def __init__(self, project_id, quota_class): self.is_admin = False self.user_id = 'fake_user' self.project_id = project_id self.quota_class = quota_class 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_class=None, reservations=None): self.called = [] self.by_project = by_project or {} self.by_class = by_class or {} self.reservations = reservations or [] def get_by_project(self, context, project_id, resource): self.called.append(('get_by_project', context, project_id, resource)) try: return self.by_project[project_id][resource] except KeyError: raise exception.ProjectQuotaNotFound(project_id=project_id) def get_by_class(self, context, quota_class, resource): self.called.append(('get_by_class', context, quota_class, resource)) try: return self.by_class[quota_class][resource] except KeyError: raise exception.QuotaClassNotFound(class_name=quota_class) def get_defaults(self, context, resources): self.called.append(('get_defaults', context, resources)) return resources def get_class_quotas(self, context, resources, quota_class, defaults=True): self.called.append(('get_class_quotas', context, resources, quota_class, defaults)) return resources def get_project_quotas(self, context, resources, project_id, quota_class=None, defaults=True, usages=True): self.called.append(('get_project_quotas', context, resources, project_id, quota_class, defaults, usages)) return resources def limit_check(self, context, resources, values, project_id=None): self.called.append(('limit_check', context, resources, values, project_id)) def reserve(self, context, resources, deltas, expire=None, project_id=None): self.called.append(('reserve', context, resources, deltas, expire, project_id)) return self.reservations def commit(self, context, reservations, project_id=None): self.called.append(('commit', context, reservations, project_id)) def rollback(self, context, reservations, project_id=None): self.called.append(('rollback', context, reservations, project_id)) def delete_all_by_project(self, context, project_id): self.called.append(('delete_all_by_project', context, project_id)) def destroy_all_by_project(self, context, project_id): self.called.append(('delete_all_by_project', context, project_id)) def expire(self, context): self.called.append(('expire', context)) class BaseResourceTestCase(test.TestCase): def test_no_flag(self): resource = quota.BaseResource('test_resource') self.assertEqual(resource.name, 'test_resource') self.assertEqual(resource.flag, None) self.assertEqual(resource.default, -1) def test_with_flag(self): # We know this flag exists, so use it... self.flags(quota_shares=10) resource = quota.BaseResource('test_resource', 'quota_shares') self.assertEqual(resource.name, 'test_resource') self.assertEqual(resource.flag, 'quota_shares') self.assertEqual(resource.default, 10) def test_with_flag_no_quota(self): self.flags(quota_shares=-1) resource = quota.BaseResource('test_resource', 'quota_shares') self.assertEqual(resource.name, 'test_resource') self.assertEqual(resource.flag, 'quota_shares') self.assertEqual(resource.default, -1) def test_quota_no_project_no_class(self): self.flags(quota_shares=10) resource = quota.BaseResource('test_resource', 'quota_shares') driver = FakeDriver() context = FakeContext(None, None) quota_value = resource.quota(driver, context) self.assertEqual(quota_value, 10) def test_quota_with_project_no_class(self): self.flags(quota_shares=10) resource = quota.BaseResource('test_resource', 'quota_shares') driver = FakeDriver( by_project=dict( test_project=dict(test_resource=15), )) context = FakeContext('test_project', None) quota_value = resource.quota(driver, context) self.assertEqual(quota_value, 15) def test_quota_no_project_with_class(self): self.flags(quota_shares=10) resource = quota.BaseResource('test_resource', 'quota_shares') driver = FakeDriver( by_class=dict( test_class=dict(test_resource=20), )) context = FakeContext(None, 'test_class') quota_value = resource.quota(driver, context) self.assertEqual(quota_value, 20) def test_quota_with_project_with_class(self): self.flags(quota_shares=10) resource = quota.BaseResource('test_resource', 'quota_shares') driver = FakeDriver(by_project=dict( test_project=dict(test_resource=15), ), by_class=dict(test_class=dict(test_resource=20), )) context = FakeContext('test_project', 'test_class') quota_value = resource.quota(driver, context) self.assertEqual(quota_value, 15) def test_quota_override_project_with_class(self): self.flags(quota_shares=10) resource = quota.BaseResource('test_resource', 'quota_shares') driver = FakeDriver(by_project=dict( test_project=dict(test_resource=15), override_project=dict(test_resource=20), )) context = FakeContext('test_project', 'test_class') quota_value = resource.quota(driver, context, project_id='override_project') self.assertEqual(quota_value, 20) def test_quota_with_project_override_class(self): self.flags(quota_shares=10) resource = quota.BaseResource('test_resource', 'quota_shares') driver = FakeDriver(by_class=dict( test_class=dict(test_resource=15), override_class=dict(test_resource=20), )) context = FakeContext('test_project', 'test_class') quota_value = resource.quota(driver, context, quota_class='override_class') self.assertEqual(quota_value, 20) class QuotaEngineTestCase(test.TestCase): def test_init(self): quota_obj = quota.QuotaEngine() self.assertEqual(quota_obj._resources, {}) self.assertTrue(isinstance(quota_obj._driver, quota.DbQuotaDriver)) def test_init_override_string(self): quota_obj = quota.QuotaEngine( quota_driver_class='manila.tests.test_quota.FakeDriver') self.assertEqual(quota_obj._resources, {}) self.assertTrue(isinstance(quota_obj._driver, FakeDriver)) def test_init_override_obj(self): quota_obj = quota.QuotaEngine(quota_driver_class=FakeDriver) self.assertEqual(quota_obj._resources, {}) self.assertEqual(quota_obj._driver, FakeDriver) def test_register_resource(self): quota_obj = quota.QuotaEngine() resource = quota.AbsoluteResource('test_resource') quota_obj.register_resource(resource) self.assertEqual(quota_obj._resources, dict(test_resource=resource)) def test_register_resources(self): quota_obj = quota.QuotaEngine() resources = [ quota.AbsoluteResource('test_resource1'), quota.AbsoluteResource('test_resource2'), quota.AbsoluteResource('test_resource3'), ] quota_obj.register_resources(resources) self.assertEqual(quota_obj._resources, dict(test_resource1=resources[0], test_resource2=resources[1], test_resource3=resources[2], )) def test_sync_predeclared(self): quota_obj = quota.QuotaEngine() def spam(*args, **kwargs): pass resource = quota.ReservableResource('test_resource', spam) quota_obj.register_resource(resource) self.assertEqual(resource.sync, spam) def test_sync_multi(self): quota_obj = quota.QuotaEngine() def spam(*args, **kwargs): pass resources = [ quota.ReservableResource('test_resource1', spam), quota.ReservableResource('test_resource2', spam), quota.ReservableResource('test_resource3', spam), quota.ReservableResource('test_resource4', spam), ] quota_obj.register_resources(resources[:2]) self.assertEqual(resources[0].sync, spam) self.assertEqual(resources[1].sync, spam) self.assertEqual(resources[2].sync, spam) self.assertEqual(resources[3].sync, spam) def test_get_by_project(self): context = FakeContext('test_project', 'test_class') driver = FakeDriver( by_project=dict( test_project=dict(test_resource=42))) quota_obj = quota.QuotaEngine(quota_driver_class=driver) result = quota_obj.get_by_project(context, 'test_project', 'test_resource') self.assertEqual(driver.called, [('get_by_project', context, 'test_project', 'test_resource'), ]) self.assertEqual(result, 42) def test_get_by_class(self): context = FakeContext('test_project', 'test_class') driver = FakeDriver( by_class=dict( test_class=dict(test_resource=42))) quota_obj = quota.QuotaEngine(quota_driver_class=driver) result = quota_obj.get_by_class(context, 'test_class', 'test_resource') self.assertEqual(driver.called, [('get_by_class', context, 'test_class', 'test_resource'), ]) self.assertEqual(result, 42) def _make_quota_obj(self, driver): quota_obj = quota.QuotaEngine(quota_driver_class=driver) resources = [ quota.AbsoluteResource('test_resource4'), quota.AbsoluteResource('test_resource3'), quota.AbsoluteResource('test_resource2'), quota.AbsoluteResource('test_resource1'), ] quota_obj.register_resources(resources) return quota_obj def test_get_defaults(self): context = FakeContext(None, None) driver = FakeDriver() quota_obj = self._make_quota_obj(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._make_quota_obj(driver) result1 = quota_obj.get_class_quotas(context, 'test_class') result2 = quota_obj.get_class_quotas(context, 'test_class', False) self.assertEqual(driver.called, [ ('get_class_quotas', context, quota_obj._resources, 'test_class', True), ('get_class_quotas', context, quota_obj._resources, '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._make_quota_obj(driver) result1 = quota_obj.get_project_quotas(context, 'test_project') result2 = quota_obj.get_project_quotas(context, 'test_project', quota_class='test_class', defaults=False, usages=False) self.assertEqual(driver.called, [ ('get_project_quotas', context, quota_obj._resources, 'test_project', None, True, True), ('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_no_resource(self): context = FakeContext(None, None) driver = FakeDriver() quota_obj = self._make_quota_obj(driver) self.assertRaises(exception.QuotaResourceUnknown, quota_obj.count, context, 'test_resource5', True, foo='bar') def test_count_wrong_resource(self): context = FakeContext(None, None) driver = FakeDriver() quota_obj = self._make_quota_obj(driver) self.assertRaises(exception.QuotaResourceUnknown, quota_obj.count, context, 'test_resource1', True, foo='bar') def test_count(self): def fake_count(context, *args, **kwargs): self.assertEqual(args, (True,)) self.assertEqual(kwargs, dict(foo='bar')) return 5 context = FakeContext(None, None) driver = FakeDriver() quota_obj = self._make_quota_obj(driver) quota_obj.register_resource(quota.CountableResource('test_resource5', fake_count)) result = quota_obj.count(context, 'test_resource5', True, foo='bar') self.assertEqual(result, 5) def test_limit_check(self): context = FakeContext(None, None) driver = FakeDriver() quota_obj = self._make_quota_obj(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), ]) def test_reserve(self): context = FakeContext(None, None) driver = FakeDriver(reservations=['resv-01', 'resv-02', 'resv-03', 'resv-04', ]) quota_obj = self._make_quota_obj(driver) result1 = quota_obj.reserve(context, test_resource1=4, test_resource2=3, test_resource3=2, test_resource4=1) result2 = quota_obj.reserve(context, expire=3600, test_resource1=1, test_resource2=2, test_resource3=3, test_resource4=4) result3 = quota_obj.reserve(context, project_id='fake_project', test_resource1=1, test_resource2=2, test_resource3=3, test_resource4=4) self.assertEqual(driver.called, [ ('reserve', context, quota_obj._resources, dict( test_resource1=4, test_resource2=3, test_resource3=2, test_resource4=1, ), None, None), ('reserve', context, quota_obj._resources, dict( test_resource1=1, test_resource2=2, test_resource3=3, test_resource4=4, ), 3600, None), ('reserve', context, quota_obj._resources, dict( test_resource1=1, test_resource2=2, test_resource3=3, test_resource4=4, ), None, 'fake_project'), ]) self.assertEqual(result1, ['resv-01', 'resv-02', 'resv-03', 'resv-04', ]) self.assertEqual(result2, ['resv-01', 'resv-02', 'resv-03', 'resv-04', ]) self.assertEqual(result3, ['resv-01', 'resv-02', 'resv-03', 'resv-04', ]) def test_commit(self): context = FakeContext(None, None) driver = FakeDriver() quota_obj = self._make_quota_obj(driver) quota_obj.commit(context, ['resv-01', 'resv-02', 'resv-03']) self.assertEqual(driver.called, [('commit', context, ['resv-01', 'resv-02', 'resv-03'], None), ]) def test_rollback(self): context = FakeContext(None, None) driver = FakeDriver() quota_obj = self._make_quota_obj(driver) quota_obj.rollback(context, ['resv-01', 'resv-02', 'resv-03']) self.assertEqual(driver.called, [('rollback', context, ['resv-01', 'resv-02', 'resv-03'], None), ]) def test_delete_all_by_project(self): context = FakeContext(None, None) driver = FakeDriver() quota_obj = self._make_quota_obj(driver) quota_obj.destroy_all_by_project(context, 'test_project') self.assertEqual(driver.called, [('delete_all_by_project', context, 'test_project'), ]) def test_expire(self): context = FakeContext(None, None) driver = FakeDriver() quota_obj = self._make_quota_obj(driver) quota_obj.expire(context) self.assertEqual(driver.called, [('expire', context), ]) def test_resources(self): quota_obj = self._make_quota_obj(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(quota_shares=10, quota_snapshots=10, quota_gigabytes=1000, reservation_expire=86400, until_refresh=0, max_age=0, ) self.driver = quota.DbQuotaDriver() self.calls = [] timeutils.set_time_override() def tearDown(self): timeutils.clear_time_override() super(DbQuotaDriverTestCase, self).tearDown() def test_get_defaults(self): # Use our pre-defined resources result = self.driver.get_defaults(None, quota.QUOTAS._resources) self.assertEqual( result, dict( shares=10, gigabytes=1000, snapshots=10)) def _stub_quota_class_get_all_by_name(self): # Stub out quota_class_get_all_by_name def fake_qcgabn(context, quota_class): self.calls.append('quota_class_get_all_by_name') self.assertEqual(quota_class, 'test_class') return dict(gigabytes=500, shares=10, ) self.stubs.Set(db, 'quota_class_get_all_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(shares=10, gigabytes=500, snapshots=10)) def test_get_class_quotas_no_defaults(self): self._stub_quota_class_get_all_by_name() result = self.driver.get_class_quotas(None, quota.QUOTAS._resources, 'test_class', False) self.assertEqual(self.calls, ['quota_class_get_all_by_name']) self.assertEqual(result, dict(shares=10, gigabytes=500)) 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(shares=10, gigabytes=50, reserved=0) def fake_qugabp(context, project_id): self.calls.append('quota_usage_get_all_by_project') self.assertEqual(project_id, 'test_project') return dict(shares=dict(in_use=2, reserved=0), gigabytes=dict(in_use=10, reserved=0), ) self.stubs.Set(db, 'quota_get_all_by_project', fake_qgabp) self.stubs.Set(db, 'quota_usage_get_all_by_project', fake_qugabp) self._stub_quota_class_get_all_by_name() def test_get_project_quotas(self): self._stub_get_by_project() result = self.driver.get_project_quotas( FakeContext('test_project', 'test_class'), quota.QUOTAS._resources, 'test_project') self.assertEqual(self.calls, ['quota_get_all_by_project', 'quota_usage_get_all_by_project', 'quota_class_get_all_by_name', ]) self.assertEqual(result, dict(shares=dict(limit=10, in_use=2, reserved=0, ), gigabytes=dict(limit=50, in_use=10, reserved=0, ), snapshots=dict(limit=10, in_use=0, reserved=0, ), )) def test_get_project_quotas_alt_context_no_class(self): self._stub_get_by_project() result = self.driver.get_project_quotas( FakeContext('other_project', 'other_class'), quota.QUOTAS._resources, 'test_project') self.assertEqual(self.calls, ['quota_get_all_by_project', 'quota_usage_get_all_by_project', ]) self.assertEqual(result, dict(shares=dict(limit=10, in_use=2, reserved=0, ), gigabytes=dict(limit=50, in_use=10, reserved=0, ), snapshots=dict(limit=10, in_use=0, reserved=0, ), )) def test_get_project_quotas_alt_context_with_class(self): self._stub_get_by_project() result = self.driver.get_project_quotas( FakeContext('other_project', 'other_class'), quota.QUOTAS._resources, 'test_project', quota_class='test_class') self.assertEqual(self.calls, ['quota_get_all_by_project', 'quota_usage_get_all_by_project', 'quota_class_get_all_by_name', ]) self.assertEqual(result, dict(shares=dict(limit=10, in_use=2, reserved=0, ), gigabytes=dict(limit=50, in_use=10, reserved=0, ), snapshots=dict(limit=10, in_use=0, reserved=0, ), )) def test_get_project_quotas_no_defaults(self): self._stub_get_by_project() result = self.driver.get_project_quotas( FakeContext('test_project', 'test_class'), quota.QUOTAS._resources, 'test_project', defaults=False) self.assertEqual(self.calls, ['quota_get_all_by_project', 'quota_usage_get_all_by_project', 'quota_class_get_all_by_name', ]) self.assertEqual(result, dict(gigabytes=dict(limit=50, in_use=10, reserved=0, ), shares=dict(limit=10, in_use=2, reserved=0, ), )) 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', ]) self.assertEqual(result, dict(shares=dict(limit=10, ), gigabytes=dict(limit=50, ), snapshots=dict(limit=10))) def _stub_get_project_quotas(self): def fake_get_project_quotas(context, resources, project_id, quota_class=None, defaults=True, usages=True): self.calls.append('get_project_quotas') return dict((k, dict(limit=v.default)) for k, v in resources.items()) self.stubs.Set(self.driver, 'get_project_quotas', fake_get_project_quotas) def test_get_quotas_has_sync_unknown(self): self._stub_get_project_quotas() self.assertRaises(exception.QuotaResourceUnknown, self.driver._get_quotas, None, quota.QUOTAS._resources, ['unknown'], True) self.assertEqual(self.calls, []) def test_get_quotas_no_sync_unknown(self): self._stub_get_project_quotas() self.assertRaises(exception.QuotaResourceUnknown, self.driver._get_quotas, None, quota.QUOTAS._resources, ['unknown'], False) self.assertEqual(self.calls, []) def test_get_quotas_has_sync_no_sync_resource(self): self._stub_get_project_quotas() self.assertRaises(exception.QuotaResourceUnknown, self.driver._get_quotas, None, quota.QUOTAS._resources, ['metadata_items'], True) self.assertEqual(self.calls, []) def test_get_quotas_no_sync_has_sync_resource(self): self._stub_get_project_quotas() self.assertRaises(exception.QuotaResourceUnknown, self.driver._get_quotas, None, quota.QUOTAS._resources, ['shares'], False) self.assertEqual(self.calls, []) def test_get_quotas_has_sync(self): self._stub_get_project_quotas() result = self.driver._get_quotas(FakeContext('test_project', 'test_class'), quota.QUOTAS._resources, ['shares', 'gigabytes'], True) self.assertEqual(self.calls, ['get_project_quotas']) self.assertEqual(result, dict(shares=10, gigabytes=1000, )) def _stub_quota_reserve(self): def fake_quota_reserve(context, resources, quotas, deltas, expire, until_refresh, max_age, project_id=None): self.calls.append(('quota_reserve', expire, until_refresh, max_age)) return ['resv-1', 'resv-2', 'resv-3'] self.stubs.Set(db, 'quota_reserve', fake_quota_reserve) def test_reserve_bad_expire(self): self._stub_get_project_quotas() self._stub_quota_reserve() self.assertRaises(exception.InvalidReservationExpiration, self.driver.reserve, FakeContext('test_project', 'test_class'), quota.QUOTAS._resources, dict(shares=2), expire='invalid') self.assertEqual(self.calls, []) def test_reserve_default_expire(self): self._stub_get_project_quotas() self._stub_quota_reserve() result = self.driver.reserve(FakeContext('test_project', 'test_class'), quota.QUOTAS._resources, dict(shares=2)) expire = timeutils.utcnow() + datetime.timedelta(seconds=86400) self.assertEqual(self.calls, ['get_project_quotas', ('quota_reserve', expire, 0, 0), ]) self.assertEqual(result, ['resv-1', 'resv-2', 'resv-3']) def test_reserve_int_expire(self): self._stub_get_project_quotas() self._stub_quota_reserve() result = self.driver.reserve(FakeContext('test_project', 'test_class'), quota.QUOTAS._resources, dict(shares=2), expire=3600) expire = timeutils.utcnow() + datetime.timedelta(seconds=3600) self.assertEqual(self.calls, ['get_project_quotas', ('quota_reserve', expire, 0, 0), ]) self.assertEqual(result, ['resv-1', 'resv-2', 'resv-3']) def test_reserve_timedelta_expire(self): self._stub_get_project_quotas() self._stub_quota_reserve() expire_delta = datetime.timedelta(seconds=60) result = self.driver.reserve(FakeContext('test_project', 'test_class'), quota.QUOTAS._resources, dict(shares=2), expire=expire_delta) expire = timeutils.utcnow() + expire_delta self.assertEqual(self.calls, ['get_project_quotas', ('quota_reserve', expire, 0, 0), ]) self.assertEqual(result, ['resv-1', 'resv-2', 'resv-3']) def test_reserve_datetime_expire(self): self._stub_get_project_quotas() self._stub_quota_reserve() expire = timeutils.utcnow() + datetime.timedelta(seconds=120) result = self.driver.reserve(FakeContext('test_project', 'test_class'), quota.QUOTAS._resources, dict(shares=2), expire=expire) self.assertEqual(self.calls, ['get_project_quotas', ('quota_reserve', expire, 0, 0), ]) self.assertEqual(result, ['resv-1', 'resv-2', 'resv-3']) def test_reserve_until_refresh(self): self._stub_get_project_quotas() self._stub_quota_reserve() self.flags(until_refresh=500) expire = timeutils.utcnow() + datetime.timedelta(seconds=120) result = self.driver.reserve(FakeContext('test_project', 'test_class'), quota.QUOTAS._resources, dict(shares=2), expire=expire) self.assertEqual(self.calls, ['get_project_quotas', ('quota_reserve', expire, 500, 0), ]) self.assertEqual(result, ['resv-1', 'resv-2', 'resv-3']) def test_reserve_max_age(self): self._stub_get_project_quotas() self._stub_quota_reserve() self.flags(max_age=86400) expire = timeutils.utcnow() + datetime.timedelta(seconds=120) result = self.driver.reserve(FakeContext('test_project', 'test_class'), quota.QUOTAS._resources, dict(shares=2), expire=expire) self.assertEqual(self.calls, ['get_project_quotas', ('quota_reserve', expire, 0, 86400), ]) self.assertEqual(result, ['resv-1', 'resv-2', 'resv-3']) def _stub_quota_delete_all_by_project(self): def fake_quota_delete_all_by_project(context, project_id): self.calls.append(('quota_destroy_all_by_project', project_id)) return None self.stubs.Set(sqa_api, 'quota_destroy_all_by_project', fake_quota_delete_all_by_project) def test_delete_by_project(self): self._stub_quota_delete_all_by_project() self.driver.destroy_all_by_project(FakeContext('test_project', 'test_class'), 'test_project') self.assertEqual(self.calls, [('quota_destroy_all_by_project', ('test_project')), ]) class FakeSession(object): def begin(self): return self def __enter__(self): return self def __exit__(self, exc_type, exc_value, exc_traceback): return False class FakeUsage(sqa_models.QuotaUsage): def save(self, *args, **kwargs): pass class QuotaReserveSqlAlchemyTestCase(test.TestCase): # manila.db.sqlalchemy.api.quota_reserve is so complex it needs its # own test case, and since it's a quota manipulator, this is the # best place to put it... def setUp(self): super(QuotaReserveSqlAlchemyTestCase, self).setUp() self.sync_called = set() def make_sync(res_name): def sync(context, project_id, session): self.sync_called.add(res_name) if res_name in self.usages: if self.usages[res_name].in_use < 0: return {res_name: 2} else: return {res_name: self.usages[res_name].in_use - 1} return {res_name: 0} return sync self.resources = {} for res_name in ('shares', 'gigabytes'): res = quota.ReservableResource(res_name, make_sync(res_name)) self.resources[res_name] = res self.expire = timeutils.utcnow() + datetime.timedelta(seconds=3600) self.usages = {} self.usages_created = {} self.reservations_created = {} def fake_get_session(): return FakeSession() def fake_get_quota_usages(context, session, project_id): return self.usages.copy() def fake_quota_usage_create(context, project_id, resource, in_use, reserved, until_refresh, session=None, save=True): quota_usage_ref = self._make_quota_usage( project_id, resource, in_use, reserved, until_refresh, timeutils.utcnow(), timeutils.utcnow()) self.usages_created[resource] = quota_usage_ref return quota_usage_ref def fake_reservation_create(context, uuid, usage_id, project_id, resource, delta, expire, session=None): reservation_ref = self._make_reservation( uuid, usage_id, project_id, resource, delta, expire, timeutils.utcnow(), timeutils.utcnow()) self.reservations_created[resource] = reservation_ref return reservation_ref self.stubs.Set(sqa_api, 'get_session', fake_get_session) self.stubs.Set(sqa_api, '_get_quota_usages', fake_get_quota_usages) self.stubs.Set(sqa_api, 'quota_usage_create', fake_quota_usage_create) self.stubs.Set(sqa_api, 'reservation_create', fake_reservation_create) timeutils.set_time_override() def _make_quota_usage(self, project_id, resource, in_use, reserved, until_refresh, created_at, updated_at): quota_usage_ref = FakeUsage() quota_usage_ref.id = len(self.usages) + len(self.usages_created) quota_usage_ref.project_id = project_id quota_usage_ref.resource = resource quota_usage_ref.in_use = in_use quota_usage_ref.reserved = reserved quota_usage_ref.until_refresh = until_refresh quota_usage_ref.created_at = created_at quota_usage_ref.updated_at = updated_at quota_usage_ref.deleted_at = None quota_usage_ref.deleted = False return quota_usage_ref def init_usage(self, project_id, resource, in_use, reserved, until_refresh=None, created_at=None, updated_at=None): if created_at is None: created_at = timeutils.utcnow() if updated_at is None: updated_at = timeutils.utcnow() quota_usage_ref = self._make_quota_usage(project_id, resource, in_use, reserved, until_refresh, created_at, updated_at) self.usages[resource] = quota_usage_ref def compare_usage(self, usage_dict, expected): for usage in expected: resource = usage['resource'] for key, value in usage.items(): actual = getattr(usage_dict[resource], key) self.assertEqual(actual, value, "%s != %s on usage for resource %s" % (actual, value, resource)) def _make_reservation(self, uuid, usage_id, project_id, resource, delta, expire, created_at, updated_at): reservation_ref = sqa_models.Reservation() reservation_ref.id = len(self.reservations_created) reservation_ref.uuid = uuid reservation_ref.usage_id = usage_id reservation_ref.project_id = project_id reservation_ref.resource = resource reservation_ref.delta = delta reservation_ref.expire = expire reservation_ref.created_at = created_at reservation_ref.updated_at = updated_at reservation_ref.deleted_at = None reservation_ref.deleted = False return reservation_ref def compare_reservation(self, reservations, expected): reservations = set(reservations) for resv in expected: resource = resv['resource'] resv_obj = self.reservations_created[resource] self.assertIn(resv_obj.uuid, reservations) reservations.discard(resv_obj.uuid) for key, value in resv.items(): actual = getattr(resv_obj, key) self.assertEqual(actual, value, "%s != %s on reservation for resource %s" % (actual, value, resource)) self.assertEqual(len(reservations), 0) def test_quota_reserve_create_usages(self): context = FakeContext('test_project', 'test_class') quotas = dict(shares=5, gigabytes=10 * 1024, ) deltas = dict(shares=2, gigabytes=2 * 1024, ) result = sqa_api.quota_reserve(context, self.resources, quotas, deltas, self.expire, 0, 0) self.assertEqual(self.sync_called, set(['shares', 'gigabytes'])) self.compare_usage(self.usages_created, [dict(resource='shares', project_id='test_project', in_use=0, reserved=2, until_refresh=None), dict(resource='gigabytes', project_id='test_project', in_use=0, reserved=2 * 1024, until_refresh=None), ]) self.compare_reservation( result, [dict(resource='shares', usage_id=self.usages_created['shares'], project_id='test_project', delta=2), dict(resource='gigabytes', usage_id=self.usages_created['gigabytes'], delta=2 * 1024), ]) def test_quota_reserve_negative_in_use(self): self.init_usage('test_project', 'shares', -1, 0, until_refresh=1) self.init_usage('test_project', 'gigabytes', -1, 0, until_refresh=1) context = FakeContext('test_project', 'test_class') quotas = dict(shares=5, gigabytes=10 * 1024, ) deltas = dict(shares=2, gigabytes=2 * 1024, ) result = sqa_api.quota_reserve(context, self.resources, quotas, deltas, self.expire, 5, 0) self.assertEqual(self.sync_called, set(['shares', 'gigabytes'])) self.compare_usage(self.usages, [dict(resource='shares', project_id='test_project', in_use=2, reserved=2, until_refresh=5), dict(resource='gigabytes', project_id='test_project', in_use=2, reserved=2 * 1024, until_refresh=5), ]) self.assertEqual(self.usages_created, {}) self.compare_reservation(result, [dict(resource='shares', usage_id=self.usages['shares'], project_id='test_project', delta=2), dict(resource='gigabytes', usage_id=self.usages['gigabytes'], delta=2 * 1024), ]) def test_quota_reserve_until_refresh(self): self.init_usage('test_project', 'shares', 3, 0, until_refresh=1) self.init_usage('test_project', 'gigabytes', 3, 0, until_refresh=1) context = FakeContext('test_project', 'test_class') quotas = dict(shares=5, gigabytes=10 * 1024, ) deltas = dict(shares=2, gigabytes=2 * 1024, ) result = sqa_api.quota_reserve(context, self.resources, quotas, deltas, self.expire, 5, 0) self.assertEqual(self.sync_called, set(['shares', 'gigabytes'])) self.compare_usage(self.usages, [dict(resource='shares', project_id='test_project', in_use=2, reserved=2, until_refresh=5), dict(resource='gigabytes', project_id='test_project', in_use=2, reserved=2 * 1024, until_refresh=5), ]) self.assertEqual(self.usages_created, {}) self.compare_reservation(result, [dict(resource='shares', usage_id=self.usages['shares'], project_id='test_project', delta=2), dict(resource='gigabytes', usage_id=self.usages['gigabytes'], delta=2 * 1024), ]) def test_quota_reserve_max_age(self): max_age = 3600 record_created = (timeutils.utcnow() - datetime.timedelta(seconds=max_age)) self.init_usage('test_project', 'shares', 3, 0, created_at=record_created, updated_at=record_created) self.init_usage('test_project', 'gigabytes', 3, 0, created_at=record_created, updated_at=record_created) context = FakeContext('test_project', 'test_class') quotas = dict(shares=5, gigabytes=10 * 1024, ) deltas = dict(shares=2, gigabytes=2 * 1024, ) result = sqa_api.quota_reserve(context, self.resources, quotas, deltas, self.expire, 0, max_age) self.assertEqual(self.sync_called, set(['shares', 'gigabytes'])) self.compare_usage(self.usages, [dict(resource='shares', project_id='test_project', in_use=2, reserved=2, until_refresh=None), dict(resource='gigabytes', project_id='test_project', in_use=2, reserved=2 * 1024, until_refresh=None), ]) self.assertEqual(self.usages_created, {}) self.compare_reservation(result, [dict(resource='shares', usage_id=self.usages['shares'], project_id='test_project', delta=2), dict(resource='gigabytes', usage_id=self.usages['gigabytes'], delta=2 * 1024), ]) def test_quota_reserve_no_refresh(self): self.init_usage('test_project', 'shares', 3, 0) self.init_usage('test_project', 'gigabytes', 3, 0) context = FakeContext('test_project', 'test_class') quotas = dict(shares=5, gigabytes=10 * 1024, ) deltas = dict(shares=2, gigabytes=2 * 1024, ) result = sqa_api.quota_reserve(context, self.resources, quotas, deltas, self.expire, 0, 0) self.assertEqual(self.sync_called, set([])) self.compare_usage(self.usages, [dict(resource='shares', project_id='test_project', in_use=3, reserved=2, until_refresh=None), dict(resource='gigabytes', project_id='test_project', in_use=3, reserved=2 * 1024, until_refresh=None), ]) self.assertEqual(self.usages_created, {}) self.compare_reservation(result, [dict(resource='shares', usage_id=self.usages['shares'], project_id='test_project', delta=2), dict(resource='gigabytes', usage_id=self.usages['gigabytes'], delta=2 * 1024), ]) def test_quota_reserve_unders(self): self.init_usage('test_project', 'shares', 1, 0) self.init_usage('test_project', 'gigabytes', 1 * 1024, 0) context = FakeContext('test_project', 'test_class') quotas = dict(shares=5, gigabytes=10 * 1024, ) deltas = dict(shares=-2, gigabytes=-2 * 1024, ) result = sqa_api.quota_reserve(context, self.resources, quotas, deltas, self.expire, 0, 0) self.assertEqual(self.sync_called, set([])) self.compare_usage(self.usages, [dict(resource='shares', project_id='test_project', in_use=1, reserved=0, until_refresh=None), dict(resource='gigabytes', project_id='test_project', in_use=1 * 1024, reserved=0, until_refresh=None), ]) self.assertEqual(self.usages_created, {}) self.compare_reservation(result, [dict(resource='shares', usage_id=self.usages['shares'], project_id='test_project', delta=-2), dict(resource='gigabytes', usage_id=self.usages['gigabytes'], delta=-2 * 1024), ]) def test_quota_reserve_overs(self): self.init_usage('test_project', 'shares', 4, 0) self.init_usage('test_project', 'gigabytes', 10 * 1024, 0) context = FakeContext('test_project', 'test_class') quotas = dict(shares=5, gigabytes=10 * 1024, ) deltas = dict(shares=2, gigabytes=2 * 1024, ) self.assertRaises(exception.OverQuota, sqa_api.quota_reserve, context, self.resources, quotas, deltas, self.expire, 0, 0) self.assertEqual(self.sync_called, set([])) self.compare_usage(self.usages, [dict(resource='shares', project_id='test_project', in_use=4, reserved=0, until_refresh=None), dict(resource='gigabytes', project_id='test_project', in_use=10 * 1024, reserved=0, until_refresh=None), ]) self.assertEqual(self.usages_created, {}) self.assertEqual(self.reservations_created, {}) def test_quota_reserve_reduction(self): self.init_usage('test_project', 'shares', 10, 0) self.init_usage('test_project', 'gigabytes', 20 * 1024, 0) context = FakeContext('test_project', 'test_class') quotas = dict(shares=5, gigabytes=10 * 1024, ) deltas = dict(shares=-2, gigabytes=-2 * 1024, ) result = sqa_api.quota_reserve(context, self.resources, quotas, deltas, self.expire, 0, 0) self.assertEqual(self.sync_called, set([])) self.compare_usage(self.usages, [dict(resource='shares', project_id='test_project', in_use=10, reserved=0, until_refresh=None), dict(resource='gigabytes', project_id='test_project', in_use=20 * 1024, reserved=0, until_refresh=None), ]) self.assertEqual(self.usages_created, {}) self.compare_reservation(result, [dict(resource='shares', usage_id=self.usages['shares'], project_id='test_project', delta=-2), dict(resource='gigabytes', usage_id=self.usages['gigabytes'], project_id='test_project', delta=-2 * 1024), ])