273 lines
12 KiB
Python
273 lines
12 KiB
Python
# Copyright 2016 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from unittest import mock
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from oslo_config import cfg
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from oslo_config import fixture as config_fixture
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from cinder import context
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from cinder import exception
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from cinder import quota_utils
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from cinder.tests.unit import fake_constants as fake
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from cinder.tests.unit import test
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CONF = cfg.CONF
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class QuotaUtilsTest(test.TestCase):
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class FakeProject(object):
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def __init__(self, id='foo', parent_id=None):
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self.id = id
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self.parent_id = parent_id
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self.subtree = None
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self.parents = None
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self.domain_id = 'default'
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def setUp(self):
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super(QuotaUtilsTest, self).setUp()
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self.auth_url = 'http://localhost:5000'
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self.context = context.RequestContext('fake_user', 'fake_proj_id')
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self.fixture = self.useFixture(config_fixture.Config(CONF))
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self.fixture.config(auth_url=self.auth_url, group='keystone_authtoken')
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@mock.patch('keystoneclient.client.Client')
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@mock.patch('keystoneauth1.session.Session')
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def test_keystone_client_instantiation(self, ksclient_session,
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ksclient_class):
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quota_utils._keystone_client(self.context)
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ksclient_class.assert_called_once_with(auth_url=self.auth_url,
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session=ksclient_session(),
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version=(3, 0))
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@mock.patch('keystoneclient.client.Client')
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@mock.patch('keystoneauth1.session.Session')
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@mock.patch('keystoneauth1.identity.Token')
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def test_keystone_client_instantiation_system_scope(
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self, ks_token, ksclient_session, ksclient_class):
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system_context = context.RequestContext(
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'fake_user', 'fake_proj_id', system_scope='all')
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quota_utils._keystone_client(system_context)
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ks_token.assert_called_once_with(
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auth_url=self.auth_url, token=system_context.auth_token,
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system_scope=system_context.system_scope)
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@mock.patch('keystoneclient.client.Client')
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@mock.patch('keystoneauth1.session.Session')
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@mock.patch('keystoneauth1.identity.Token')
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def test_keystone_client_instantiation_domain_scope(
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self, ks_token, ksclient_session, ksclient_class):
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domain_context = context.RequestContext(
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'fake_user', 'fake_proj_id', domain_id='default')
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quota_utils._keystone_client(domain_context)
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ks_token.assert_called_once_with(
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auth_url=self.auth_url, token=domain_context.auth_token,
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domain_id=domain_context.domain_id)
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@mock.patch('keystoneclient.client.Client')
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@mock.patch('keystoneauth1.session.Session')
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@mock.patch('keystoneauth1.identity.Token')
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def test_keystone_client_instantiation_project_scope(
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self, ks_token, ksclient_session, ksclient_class):
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project_context = context.RequestContext(
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'fake_user', project_id=fake.PROJECT_ID)
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quota_utils._keystone_client(project_context)
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ks_token.assert_called_once_with(
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auth_url=self.auth_url, token=project_context.auth_token,
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project_id=project_context.project_id)
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@mock.patch('keystoneclient.client.Client')
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def test_get_project_keystoneclient_v2(self, ksclient_class):
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keystoneclient = ksclient_class.return_value
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keystoneclient.version = 'v2.0'
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expected_project = quota_utils.GenericProjectInfo(
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self.context.project_id, 'v2.0')
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project = quota_utils.get_project_hierarchy(
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self.context, self.context.project_id)
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self.assertEqual(expected_project.__dict__, project.__dict__)
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@mock.patch('keystoneclient.client.Client')
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def test_get_project_keystoneclient_v3(self, ksclient_class):
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keystoneclient = ksclient_class.return_value
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keystoneclient.version = 'v3'
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returned_project = self.FakeProject(self.context.project_id, 'bar')
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del returned_project.subtree
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keystoneclient.projects.get.return_value = returned_project
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expected_project = quota_utils.GenericProjectInfo(
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self.context.project_id, 'v3', 'bar', domain_id='default')
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project = quota_utils.get_project_hierarchy(
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self.context, self.context.project_id)
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self.assertEqual(expected_project.__dict__, project.__dict__)
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@mock.patch('keystoneclient.client.Client')
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def test_get_project_keystoneclient_v3_with_subtree(self, ksclient_class):
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keystoneclient = ksclient_class.return_value
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keystoneclient.version = 'v3'
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returned_project = self.FakeProject(self.context.project_id, 'bar')
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subtree_dict = {'baz': {'quux': None}}
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returned_project.subtree = subtree_dict
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keystoneclient.projects.get.return_value = returned_project
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expected_project = quota_utils.GenericProjectInfo(
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self.context.project_id, 'v3', 'bar', subtree_dict,
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domain_id='default')
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project = quota_utils.get_project_hierarchy(
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self.context, self.context.project_id, subtree_as_ids=True)
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keystoneclient.projects.get.assert_called_once_with(
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self.context.project_id, parents_as_ids=False, subtree_as_ids=True)
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self.assertEqual(expected_project.__dict__, project.__dict__)
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def _setup_mock_ksclient(self, mock_client, version='v3',
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subtree=None, parents=None):
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keystoneclient = mock_client.return_value
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keystoneclient.version = version
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proj = self.FakeProject(self.context.project_id)
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proj.subtree = subtree
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if parents:
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proj.parents = parents
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proj.parent_id = next(iter(parents.keys()))
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keystoneclient.projects.get.return_value = proj
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@mock.patch('keystoneclient.client.Client')
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def test__filter_domain_id_from_parents_domain_as_parent(
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self, mock_client):
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# Test with a top level project (domain is direct parent)
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self._setup_mock_ksclient(mock_client, parents={'default': None})
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project = quota_utils.get_project_hierarchy(
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self.context, self.context.project_id, parents_as_ids=True)
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self.assertIsNone(project.parent_id)
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self.assertIsNone(project.parents)
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@mock.patch('keystoneclient.client.Client')
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def test__filter_domain_id_from_parents_domain_as_grandparent(
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self, mock_client):
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# Test with a child project (domain is more than a parent)
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self._setup_mock_ksclient(mock_client,
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parents={'bar': {'default': None}})
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project = quota_utils.get_project_hierarchy(
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self.context, self.context.project_id, parents_as_ids=True)
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self.assertEqual('bar', project.parent_id)
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self.assertEqual({'bar': None}, project.parents)
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@mock.patch('keystoneclient.client.Client')
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def test__filter_domain_id_from_parents_no_domain_in_parents(
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self, mock_client):
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# Test that if top most parent is not a domain (to simulate an older
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# keystone version) nothing gets removed from the tree
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parents = {'bar': {'foo': None}}
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self._setup_mock_ksclient(mock_client, parents=parents)
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project = quota_utils.get_project_hierarchy(
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self.context, self.context.project_id, parents_as_ids=True)
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self.assertEqual('bar', project.parent_id)
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self.assertEqual(parents, project.parents)
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@mock.patch('keystoneclient.client.Client')
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def test__filter_domain_id_from_parents_no_parents(
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self, mock_client):
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# Test that if top no parents are present (to simulate an older
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# keystone version) things don't blow up
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self._setup_mock_ksclient(mock_client)
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project = quota_utils.get_project_hierarchy(
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self.context, self.context.project_id, parents_as_ids=True)
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self.assertIsNone(project.parent_id)
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self.assertIsNone(project.parents)
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def _process_reserve_over_quota(self, overs, usages, quotas,
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expected_ex,
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resource='volumes'):
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ctxt = context.get_admin_context()
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ctxt.project_id = 'fake'
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size = 1
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kwargs = {'overs': overs,
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'usages': usages,
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'quotas': quotas}
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exc = exception.OverQuota(**kwargs)
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self.assertRaises(expected_ex,
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quota_utils.process_reserve_over_quota,
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ctxt, exc,
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resource=resource,
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size=size)
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def test_volume_size_exceed_quota(self):
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overs = ['gigabytes']
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usages = {'gigabytes': {'reserved': 1, 'in_use': 9}}
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quotas = {'gigabytes': 10, 'snapshots': 10}
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self._process_reserve_over_quota(
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overs, usages, quotas,
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exception.VolumeSizeExceedsAvailableQuota)
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def test_snapshot_limit_exceed_quota(self):
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overs = ['snapshots']
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usages = {'snapshots': {'reserved': 1, 'in_use': 9}}
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quotas = {'gigabytes': 10, 'snapshots': 10}
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self._process_reserve_over_quota(
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overs, usages, quotas,
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exception.SnapshotLimitExceeded,
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resource='snapshots')
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def test_backup_gigabytes_exceed_quota(self):
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overs = ['backup_gigabytes']
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usages = {'backup_gigabytes': {'reserved': 1, 'in_use': 9}}
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quotas = {'backup_gigabytes': 10}
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self._process_reserve_over_quota(
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overs, usages, quotas,
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exception.VolumeBackupSizeExceedsAvailableQuota,
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resource='backups')
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def test_backup_limit_quota(self):
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overs = ['backups']
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usages = {'backups': {'reserved': 1, 'in_use': 9}}
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quotas = {'backups': 9}
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self._process_reserve_over_quota(
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overs, usages, quotas,
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exception.BackupLimitExceeded,
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resource='backups')
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def test_volumes_limit_quota(self):
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overs = ['volumes']
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usages = {'volumes': {'reserved': 1, 'in_use': 9}}
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quotas = {'volumes': 9}
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self._process_reserve_over_quota(
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overs, usages, quotas,
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exception.VolumeLimitExceeded)
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def test_groups_limit_quota(self):
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overs = ['groups']
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usages = {'groups': {'reserved': 1, 'in_use': 9}}
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quotas = {'groups': 9}
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self._process_reserve_over_quota(
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overs, usages, quotas,
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exception.GroupLimitExceeded,
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resource='groups')
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def test_unknown_quota(self):
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overs = ['unknown']
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usages = {'volumes': {'reserved': 1, 'in_use': 9}}
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quotas = {'volumes': 9}
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self._process_reserve_over_quota(
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overs, usages, quotas,
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exception.UnexpectedOverQuota)
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def test_unknown_quota2(self):
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overs = ['volumes']
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usages = {'volumes': {'reserved': 1, 'in_use': 9}}
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quotas = {'volumes': 9}
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self._process_reserve_over_quota(
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overs, usages, quotas,
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exception.UnexpectedOverQuota,
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resource='snapshots')
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