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# Copyright (c) 2016 Cable Television Laboratories, Inc. ("CableLabs")
# and others. 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 logging
import pkg_resources
import uuid
import unittest
from snaps import file_utils
from snaps.config.project import ProjectConfig
from snaps.config.user import UserConfig
from snaps.openstack.tests import openstack_tests
from snaps.openstack.utils import deploy_utils, keystone_utils
dev_os_env_file = pkg_resources.resource_filename(
'snaps.openstack.tests.conf', 'os_env.yaml')
class OSComponentTestCase(unittest.TestCase):
def __init__(self, method_name='runTest', os_creds=None, ext_net_name=None,
image_metadata=None, log_level=logging.DEBUG):
"""
Super for test classes requiring a connection to OpenStack
:param method_name: default 'runTest'
:param os_creds: the OSCreds object, when null it searches for the file
in the package snaps.openstack.tests.conf.os_env.yaml
:param ext_net_name: the name of the external network that is used for
creating routers for floating IPs
:param image_metadata: ability to override images being used in the
tests (see examples/image-metadata)
:param log_level: the logging level of your test run (default DEBUG)
"""
super(OSComponentTestCase, self).__init__(method_name)
logging.basicConfig(level=log_level)
if os_creds:
self.os_creds = os_creds
else:
self.os_creds = openstack_tests.get_credentials(
dev_os_env_file=dev_os_env_file)
self.ext_net_name = ext_net_name
if not self.ext_net_name and file_utils.file_exists(dev_os_env_file):
test_conf = file_utils.read_yaml(dev_os_env_file)
self.ext_net_name = test_conf.get('ext_net')
self.image_metadata = image_metadata
@staticmethod
def parameterize(testcase_klass, os_creds, ext_net_name,
image_metadata=None, log_level=logging.DEBUG):
""" Create a suite containing all tests taken from the given
subclass, passing them the parameter 'param'.
"""
test_loader = unittest.TestLoader()
test_names = test_loader.getTestCaseNames(testcase_klass)
suite = unittest.TestSuite()
for name in test_names:
suite.addTest(testcase_klass(name, os_creds, ext_net_name,
image_metadata, log_level))
return suite
class OSIntegrationTestCase(OSComponentTestCase):
def __init__(self, method_name='runTest', os_creds=None, ext_net_name=None,
use_keystone=True, flavor_metadata=None, image_metadata=None,
netconf_override=None, log_level=logging.DEBUG):
"""
Super for integration tests requiring a connection to OpenStack
:param method_name: default 'runTest'
:param os_creds: the OSCreds object, when null it searches for the file
in the package snaps.openstack.tests.conf.os_env.yaml
:param ext_net_name: the name of the external network that is used for
creating routers for floating IPs
:param use_keystone: when true, these tests will create a new
user/project under which to run the test
:param image_metadata: dict() containing the URLs for the disk, kernel,
and ramdisk images when multi-part images are
required. See below for a simple example
image_metadata={'disk_url': '{URI}/cirros-0.3.4-x86_64-disk.img',
'kernel_url': '{URI}/cirros-0.3.4-x86_64-kernel',
'ramdisk_url': '{URI}/cirros-0.3.4-x86_64-initramfs'})
:param flavor_metadata: dict() to be sent directly into the Nova client
generally used for page sizes
:param netconf_override: dict() containing the configured network_type,
physical_network and segmentation_id
:param log_level: the logging level of your test run (default DEBUG)
"""
super(OSIntegrationTestCase, self).__init__(
method_name=method_name, os_creds=os_creds,
ext_net_name=ext_net_name, image_metadata=image_metadata,
log_level=log_level)
self.netconf_override = netconf_override
self.use_keystone = use_keystone
self.keystone = None
self.flavor_metadata = flavor_metadata
@staticmethod
def parameterize(testcase_klass, os_creds, ext_net_name,
use_keystone=False, flavor_metadata=None,
image_metadata=None, netconf_override=None,
log_level=logging.DEBUG):
"""
Create a suite containing all tests taken from the given
subclass, passing them the parameter 'param'.
"""
test_loader = unittest.TestLoader()
test_names = test_loader.getTestCaseNames(testcase_klass)
suite = unittest.TestSuite()
for name in test_names:
suite.addTest(testcase_klass(name, os_creds, ext_net_name,
use_keystone, flavor_metadata,
image_metadata, netconf_override,
log_level))
return suite
"""
Super for test classes that should be run within their own project/tenant
as they can run for quite some time
"""
def __start__(self):
"""
Creates a project and user to be leveraged by subclass test methods. If
implementing class uses this method, it must call __clean__() else you
will be left with unwanted users and tenants
"""
self.project_creator = None
self.user_creator = None
self.admin_os_creds = self.os_creds
self.role = None
if self.use_keystone:
self.keystone = keystone_utils.keystone_client(self.admin_os_creds)
guid = self.__class__.__name__ + '-' + str(uuid.uuid4())[:-19]
project_name = guid + '-proj'
self.project_creator = deploy_utils.create_project(
self.admin_os_creds, ProjectConfig(
name=project_name,
domain=self.admin_os_creds.project_domain_name))
self.user_creator = deploy_utils.create_user(
self.admin_os_creds, UserConfig(
name=guid + '-user', password=guid,
project_name=project_name,
domain_name=self.admin_os_creds.user_domain_name))
self.os_creds = self.user_creator.get_os_creds(
self.project_creator.project_settings.name)
# add user to project
self.project_creator.assoc_user(self.user_creator.get_user())
def __clean__(self):
"""
Cleans up test user and project.
Must be called at the end of child classes tearDown() if __start__() is
called during setUp() else these objects will persist after the test is
run
"""
if self.role:
keystone_utils.delete_role(self.keystone, self.role)
if self.project_creator:
self.project_creator.clean()
if self.user_creator:
self.user_creator.clean()
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