cloudkitty/cloudkitty/tests/gabbi/fixtures.py

408 lines
13 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2015 Objectif Libre
#
# 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.
#
# @author: Stéphane Albert
#
import abc
import decimal
import os
from gabbi import fixture
import mock
from oslo_config import cfg
from oslo_config import fixture as conf_fixture
from oslo_db.sqlalchemy import utils
import oslo_messaging
from oslo_messaging import conffixture
from oslo_policy import opts as policy_opts
import six
from stevedore import driver
from stevedore import extension
import webob.dec
from wsme import types as wtypes
import wsmeext.pecan as wsme_pecan
from cloudkitty.api import app
from cloudkitty.api import middleware
from cloudkitty import db
from cloudkitty.db import api as ck_db_api
from cloudkitty import messaging
from cloudkitty import rating
from cloudkitty import storage
from cloudkitty.storage.v1.sqlalchemy import models
from cloudkitty import tests
from cloudkitty.tests import utils as test_utils
from cloudkitty import utils as ck_utils
INITIAL_TIMESTAMP = 1420070400
class UUIDFixture(fixture.GabbiFixture):
def start_fixture(self):
FAKE_UUID = '6c1b8a30-797f-4b7e-ad66-9879b79059fb'
patcher = mock.patch(
'oslo_utils.uuidutils.generate_uuid',
return_value=FAKE_UUID)
patcher.start()
self.patcher = patcher
def stop_fixture(self):
self.patcher.stop()
@six.add_metaclass(abc.ABCMeta)
class BaseExtensionFixture(fixture.GabbiFixture):
klass = None
namespace = None
stevedore_mgr = None
assert_args = {}
@abc.abstractmethod
def setup_fake_modules(self):
pass
def start_fixture(self):
fake_extensions = self.setup_fake_modules()
self.mock = mock.patch(self.klass)
fake_mgr = self.stevedore_mgr.make_test_instance(
fake_extensions,
self.namespace)
self.patch = self.mock.start()
self.patch.return_value = fake_mgr
def stop_fixture(self):
self.patch.assert_called_with(
self.namespace,
**self.assert_args)
self.mock.stop()
class CollectorExtensionsFixture(BaseExtensionFixture):
klass = 'stevedore.driver.DriverManager'
namespace = 'cloudkitty.collector.backends'
stevedore_mgr = driver.DriverManager
assert_args = {
'invoke_kwds': {'period': 3600},
'invoke_on_load': True}
def setup_fake_modules(self):
def fake_metric(start,
end=None,
project_id=None,
q_filter=None):
return None
fake_module1 = tests.FakeCollectorModule()
fake_module1.collector_name = 'fake1'
fake_module1.get_compute = fake_metric
fake_module2 = tests.FakeCollectorModule()
fake_module2.collector_name = 'fake2'
fake_module2.get_volume = fake_metric
fake_module3 = tests.FakeCollectorModule()
fake_module3.collector_name = 'fake3'
fake_module3.get_compute = fake_metric
fake_extensions = [
extension.Extension(
'fake1',
'cloudkitty.tests.FakeCollectorModule1',
None,
fake_module1),
extension.Extension(
'fake2',
'cloudkitty.tests.FakeCollectorModule2',
None,
fake_module2),
extension.Extension(
'fake3',
'cloudkitty.tests.FakeCollectorModule3',
None,
fake_module3)]
return fake_extensions[0]
class RatingModulesFixture(BaseExtensionFixture):
klass = 'stevedore.extension.ExtensionManager'
namespace = 'cloudkitty.rating.processors'
stevedore_mgr = extension.ExtensionManager
assert_args = {
'invoke_on_load': True}
def setup_fake_modules(self):
class FakeConfigController(rating.RatingRestControllerBase):
_custom_actions = {
'test': ['GET']
}
@wsme_pecan.wsexpose(wtypes.text)
def get_test(self):
"""Return the list of every mapping type available.
"""
return 'OK'
fake_module1 = tests.FakeRatingModule()
fake_module1.module_name = 'fake1'
fake_module1.set_priority(3)
fake_module2 = tests.FakeRatingModule()
fake_module2.module_name = 'fake2'
fake_module2.config_controller = FakeConfigController
fake_module2.set_priority(1)
fake_module3 = tests.FakeRatingModule()
fake_module3.module_name = 'fake3'
fake_module3.set_priority(2)
fake_extensions = [
extension.Extension(
'fake1',
'cloudkitty.tests.FakeRatingModule1',
None,
fake_module1),
extension.Extension(
'fake2',
'cloudkitty.tests.FakeRatingModule2',
None,
fake_module2),
extension.Extension(
'fake3',
'cloudkitty.tests.FakeRatingModule3',
None,
fake_module3)]
return fake_extensions
class ConfigFixture(fixture.GabbiFixture):
auth_strategy = 'noauth'
def start_fixture(self):
self.conf = None
conf = conf_fixture.Config().conf
policy_opts.set_defaults(conf)
msg_conf = conffixture.ConfFixture(conf)
msg_conf.transport_url = 'fake:/'
conf.import_group('api', 'cloudkitty.api.app')
conf.set_override('auth_strategy', self.auth_strategy)
conf.set_override('connection', 'sqlite:///', 'database')
conf.set_override('policy_file',
os.path.abspath('etc/cloudkitty/policy.json'),
group='oslo_policy')
conf.set_override('api_paste_config',
os.path.abspath(
'cloudkitty/tests/gabbi/gabbi_paste.ini')
)
conf.import_group('storage', 'cloudkitty.storage')
conf.set_override('backend', 'sqlalchemy', 'storage')
conf.set_override('version', '1', 'storage')
self.conf = conf
self.conn = ck_db_api.get_instance()
migration = self.conn.get_migration()
migration.upgrade('head')
def stop_fixture(self):
if self.conf:
self.conf.reset()
db.get_engine().dispose()
class ConfigFixtureKeystoneAuth(ConfigFixture):
auth_strategy = 'keystone'
def start_fixture(self):
# Mocking the middleware process_request which check for credentials
# here, the only check done is that the hardcoded token is the one
# send by the query. If not, 401, else 200.
def _mock_proc_request(self, request):
token = 'c93e3e31342e4e32ba201fd3d70878b5'
http_code = 401
if 'X-Auth-Token' in request.headers and \
request.headers['X-Auth-Token'] == token:
http_code = 200
return webob.Response(
status_code=http_code,
content_type='application/json'
)
self._orig_func = middleware.auth_token.AuthProtocol.process_request
middleware.auth_token.AuthProtocol.process_request = _mock_proc_request
super(ConfigFixtureKeystoneAuth, self).start_fixture()
def stop_fixture(self):
super(ConfigFixtureKeystoneAuth, self).stop_fixture()
middleware.auth_token.AuthProtocol.process_request = self._orig_func
class BaseFakeRPC(fixture.GabbiFixture):
endpoint = None
def start_fixture(self):
messaging.setup()
target = oslo_messaging.Target(topic='cloudkitty',
server=cfg.CONF.host,
version='1.0')
endpoints = [
self.endpoint()
]
self.server = messaging.get_server(target, endpoints)
self.server.start()
def stop_fixture(self):
self.server.stop()
class QuoteFakeRPC(BaseFakeRPC):
class FakeRPCEndpoint(object):
target = oslo_messaging.Target(namespace='rating',
version='1.0')
def quote(self, ctxt, res_data):
return str(1.0)
endpoint = FakeRPCEndpoint
class BaseStorageDataFixture(fixture.GabbiFixture):
def create_fake_data(self, begin, end, project_id):
data = [{
"period": {
"begin": begin,
"end": end},
"usage": {
"cpu": [
{
"desc": {
"dummy": True,
"fake_meta": 1.0,
"project_id": project_id},
"vol": {
"qty": 1,
"unit": "nothing"},
"rating": {
"price": decimal.Decimal('1.337')}}]}}, {
"period": {
"begin": begin,
"end": end},
"usage": {
"image.size": [
{
"desc": {
"dummy": True,
"fake_meta": 1.0,
"project_id": project_id},
"vol": {
"qty": 1,
"unit": "nothing"},
"rating": {
"price": decimal.Decimal('0.121')}}]}}]
return data
def start_fixture(self):
auth = mock.patch(
'keystoneauth1.loading.load_auth_from_conf_options',
return_value=dict())
session = mock.patch(
'keystoneauth1.loading.load_session_from_conf_options',
return_value=dict())
with auth:
with session:
self.storage = storage.get_storage(conf=test_utils.load_conf())
self.storage.init()
self.initialize_data()
def stop_fixture(self):
model = models.RatedDataFrame
session = db.get_session()
q = utils.model_query(
model,
session)
q.delete()
class StorageDataFixture(BaseStorageDataFixture):
def initialize_data(self):
nodata_duration = (24 * 3 + 12) * 3600
tenant_list = ['8f82cc70-e50c-466e-8624-24bdea811375',
'7606a24a-b8ad-4ae0-be6c-3d7a41334a2e']
data_ts = INITIAL_TIMESTAMP + nodata_duration + 3600
data_duration = (24 * 2 + 8) * 3600
for i in range(data_ts,
data_ts + data_duration,
3600):
data = self.create_fake_data(i, i + 3600, tenant_list[0])
self.storage.push(data, tenant_list[0])
half_duration = int(data_duration / 2)
for i in range(data_ts,
data_ts + half_duration,
3600):
data = self.create_fake_data(i, i + 3600, tenant_list[1])
self.storage.push(data, tenant_list[1])
class NowStorageDataFixture(BaseStorageDataFixture):
def initialize_data(self):
begin = ck_utils.get_month_start_timestamp()
for i in range(begin,
begin + 3600 * 12,
3600):
project_id = '3d9a1b33-482f-42fd-aef9-b575a3da9369'
data = self.create_fake_data(i, i + 3600, project_id)
self.storage.push(data, project_id)
class CORSConfigFixture(fixture.GabbiFixture):
"""Inject mock configuration for the CORS middleware."""
def start_fixture(self):
# Here we monkeypatch GroupAttr.__getattr__, necessary because the
# paste.ini method of initializing this middleware creates its own
# ConfigOpts instance, bypassing the regular config fixture.
def _mock_getattr(instance, key):
if key != 'allowed_origin':
return self._original_call_method(instance, key)
return "http://valid.example.com"
self._original_call_method = cfg.ConfigOpts.GroupAttr.__getattr__
cfg.ConfigOpts.GroupAttr.__getattr__ = _mock_getattr
def stop_fixture(self):
"""Remove the monkeypatch."""
cfg.ConfigOpts.GroupAttr.__getattr__ = self._original_call_method
class MetricsConfFixture(fixture.GabbiFixture):
"""Inject Metrics configuration mock to the get_metrics_conf() function"""
def start_fixture(self):
self._original_function = ck_utils.load_conf
ck_utils.load_conf = mock.Mock(
return_value=tests.samples.METRICS_CONF,
)
def stop_fixture(self):
"""Remove the get_metrics_conf() monkeypatch."""
ck_utils.load_conf = self._original_function
def setup_app():
messaging.setup()
# FIXME(sheeprine): Extension fixtures are interacting with transformers
# loading, since collectors are not needed here we shunt them
no_collector = mock.patch(
'cloudkitty.collector.get_collector',
return_value=None)
with no_collector:
return app.load_app()