snaps/openstack/tests/os_source_file_test.py

   1 # Copyright (c) 2016 Cable Television Laboratories, Inc. ("CableLabs")
   2 #                    and others.  All rights reserved.
   3 #
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at:
   7 #
   8 #     http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15 import logging
  16 import pkg_resources
  17 import uuid
  18 import unittest
  19
  20 from snaps import file_utils
  21 from snaps.config.project import ProjectConfig
  22 from snaps.config.user import UserConfig
  23 from snaps.openstack.tests import openstack_tests
  24 from snaps.openstack.utils import deploy_utils, keystone_utils
  25
  26
  27 dev_os_env_file = pkg_resources.resource_filename(
  28     'snaps.openstack.tests.conf', 'os_env.yaml')
  29
  30
  31 class OSComponentTestCase(unittest.TestCase):
  32
  33     def __init__(self, method_name='runTest', os_creds=None, ext_net_name=None,
  34                  flavor_metadata=None, image_metadata=None,
  35                  log_level=logging.DEBUG):
  36         """
  37         Super for test classes requiring a connection to OpenStack
  38         :param method_name: default 'runTest'
  39         :param os_creds: the OSCreds object, when null it searches for the file
  40                          in the package snaps.openstack.tests.conf.os_env.yaml
  41         :param ext_net_name: the name of the external network that is used for
  42                              creating routers for floating IPs
  43         :param flavor_metadata: dict() to be sent directly into the Nova client
  44                                 generally used for page sizes
  45         :param image_metadata: ability to override images being used in the
  46                                tests (see examples/image-metadata)
  47         :param log_level: the logging level of your test run (default DEBUG)
  48         """
  49         super(OSComponentTestCase, self).__init__(method_name)
  50
  51         logging.basicConfig(level=log_level)
  52
  53         if os_creds:
  54             self.os_creds = os_creds
  55         else:
  56             self.os_creds = openstack_tests.get_credentials(
  57                 dev_os_env_file=dev_os_env_file)
  58
  59         self.os_session = keystone_utils.keystone_session(self.os_creds)
  60         self.ext_net_name = ext_net_name
  61
  62         if not self.ext_net_name and file_utils.file_exists(dev_os_env_file):
  63             test_conf = file_utils.read_yaml(dev_os_env_file)
  64             self.ext_net_name = test_conf.get('ext_net')
  65
  66         self.flavor_metadata = flavor_metadata
  67         self.image_metadata = image_metadata
  68
  69     @staticmethod
  70     def parameterize(testcase_klass, os_creds, ext_net_name,
  71                      flavor_metadata=None, image_metadata=None,
  72                      log_level=logging.DEBUG):
  73         """ Create a suite containing all tests taken from the given
  74             subclass, passing them the parameter 'param'.
  75         """
  76         test_loader = unittest.TestLoader()
  77         test_names = test_loader.getTestCaseNames(testcase_klass)
  78         suite = unittest.TestSuite()
  79         for name in test_names:
  80             suite.addTest(testcase_klass(name, os_creds, ext_net_name,
  81                 flavor_metadata, image_metadata, log_level))
  82         return suite
  83
  84     def __clean__(self):
  85         """
  86         Cleans up keystone session.
  87         """
  88         if self.os_session:
  89             keystone_utils.close_session(self.os_session)
  90
  91
  92 class OSIntegrationTestCase(OSComponentTestCase):
  93
  94     def __init__(self, method_name='runTest', os_creds=None, ext_net_name=None,
  95                  use_keystone=True, flavor_metadata=None, image_metadata=None,
  96                  netconf_override=None, log_level=logging.DEBUG):
  97         """
  98         Super for integration tests requiring a connection to OpenStack
  99         :param method_name: default 'runTest'
 100         :param os_creds: the OSCreds object, when null it searches for the file
 101                          in the package snaps.openstack.tests.conf.os_env.yaml
 102         :param ext_net_name: the name of the external network that is used for
 103                              creating routers for floating IPs
 104         :param use_keystone: when true, these tests will create a new
 105                              user/project under which to run the test
 106         :param image_metadata: dict() containing the URLs for the disk, kernel,
 107                                and ramdisk images when multi-part images are
 108                                required. See below for a simple example
 109         image_metadata={'disk_url': '{URI}/cirros-0.3.4-x86_64-disk.img',
 110                         'kernel_url': '{URI}/cirros-0.3.4-x86_64-kernel',
 111                         'ramdisk_url': '{URI}/cirros-0.3.4-x86_64-initramfs'})
 112         :param flavor_metadata: dict() to be sent directly into the Nova client
 113                                 generally used for page sizes
 114         :param netconf_override: dict() containing the configured network_type,
 115                                physical_network and segmentation_id
 116         :param log_level: the logging level of your test run (default DEBUG)
 117         """
 118         super(OSIntegrationTestCase, self).__init__(
 119             method_name=method_name, os_creds=os_creds,
 120             ext_net_name=ext_net_name, flavor_metadata=flavor_metadata,
 121             image_metadata=image_metadata, log_level=log_level)
 122         self.netconf_override = netconf_override
 123         self.use_keystone = use_keystone
 124         self.keystone = None
 125         self.user_roles = None
 126
 127     @staticmethod
 128     def parameterize(testcase_klass, os_creds, ext_net_name,
 129                      use_keystone=True, flavor_metadata=None,
 130                      image_metadata=None, netconf_override=None,
 131                      log_level=logging.DEBUG):
 132         """
 133         Create a suite containing all tests taken from the given
 134         subclass, passing them the parameter 'param'.
 135         """
 136         test_loader = unittest.TestLoader()
 137         test_names = test_loader.getTestCaseNames(testcase_klass)
 138         suite = unittest.TestSuite()
 139         for name in test_names:
 140             suite.addTest(testcase_klass(name, os_creds, ext_net_name,
 141                                          use_keystone, flavor_metadata,
 142                                          image_metadata, netconf_override,
 143                                          log_level))
 144         return suite
 145
 146     """
 147     Super for test classes that should be run within their own project/tenant
 148     as they can run for quite some time
 149     """
 150     def __start__(self):
 151         """
 152         Creates a project and user to be leveraged by subclass test methods. If
 153         implementing class uses this method, it must call __clean__() else you
 154         will be left with unwanted users and tenants
 155         """
 156         self.project_creator = None
 157         self.user_creator = None
 158         self.admin_os_creds = self.os_creds
 159         self.admin_os_session = self.os_session
 160         self.keystone = keystone_utils.keystone_client(
 161             self.admin_os_creds, self.admin_os_session)
 162
 163         if self.use_keystone:
 164             guid = self.__class__.__name__ + '-' + str(uuid.uuid4())[:-19]
 165             project_name = guid + '-proj'
 166             self.project_creator = deploy_utils.create_project(
 167                 self.admin_os_creds, ProjectConfig(
 168                     name=project_name,
 169                     domain=self.admin_os_creds.project_domain_name))
 170
 171             # Set by implementing class for setting the user's roles
 172             roles = dict()
 173             if self.user_roles:
 174                 for user_role in self.user_roles:
 175                     roles[user_role] = project_name
 176
 177             self.user_creator = deploy_utils.create_user(
 178                 self.admin_os_creds, UserConfig(
 179                     name=guid + '-user', password=guid,
 180                     project_name=project_name, roles=roles,
 181                     domain_name=self.admin_os_creds.user_domain_name))
 182
 183             self.os_creds = self.user_creator.get_os_creds(
 184                 self.project_creator.project_settings.name)
 185             self.os_session = keystone_utils.keystone_session(self.os_creds)
 186
 187             # add user to project
 188             self.project_creator.assoc_user(self.user_creator.get_user())
 189
 190     def __clean__(self):
 191         """
 192         Cleans up test user and project.
 193         Must be called at the end of child classes tearDown() if __start__() is
 194         called during setUp() else these objects will persist after the test is
 195         run
 196         """
 197         if self.project_creator:
 198             self.project_creator.clean()
 199
 200         if self.user_creator:
 201             self.user_creator.clean()
 202
 203         if self.admin_os_session:
 204             keystone_utils.close_session(self.admin_os_session)
 205
 206         super(OSIntegrationTestCase, self).__clean__()