1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
# Copyright 2013 IBM Corp.
# Copyright 2014 NEC Corporation. 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 mock
from oslo_config import cfg
import stevedore
import webob.exc
from nova.api import openstack
from nova.api.openstack import compute
from nova.api.openstack.compute import extension_info
from nova.api.openstack import extensions
from nova import exception
from nova import test
CONF = cfg.CONF
class fake_bad_extension(object):
name = "fake_bad_extension"
alias = "fake-bad"
class fake_stevedore_enabled_extensions(object):
def __init__(self, namespace, check_func, invoke_on_load=False,
invoke_args=(), invoke_kwds=None):
self.extensions = []
def map(self, func, *args, **kwds):
pass
def __iter__(self):
return iter(self.extensions)
class fake_loaded_extension_info(object):
def __init__(self):
self.extensions = {}
def register_extension(self, ext):
self.extensions[ext] = ext
return True
def get_extensions(self):
return {'core1': None, 'core2': None, 'noncore1': None}
class ExtensionLoadingTestCase(test.NoDBTestCase):
def _set_v21_core(self, core_extensions):
openstack.API_V21_CORE_EXTENSIONS = core_extensions
def test_extensions_loaded(self):
app = compute.APIRouterV21()
self.assertIn('servers', app._loaded_extension_info.extensions)
def test_check_bad_extension(self):
loaded_ext_info = extension_info.LoadedExtensionInfo()
self.assertFalse(loaded_ext_info._check_extension(fake_bad_extension))
def test_extensions_blacklist(self):
app = compute.APIRouterV21()
self.assertIn('os-hosts', app._loaded_extension_info.extensions)
CONF.set_override('extensions_blacklist', ['os-hosts'], 'osapi_v21')
app = compute.APIRouterV21()
self.assertNotIn('os-hosts', app._loaded_extension_info.extensions)
@mock.patch('nova.api.openstack.APIRouterV21._register_resources_list')
def test_extensions_inherit(self, mock_register):
app = compute.APIRouterV21()
self.assertIn('servers', app._loaded_extension_info.extensions)
self.assertIn('os-volumes', app._loaded_extension_info.extensions)
mock_register.assert_called_with(mock.ANY, mock.ANY)
ext_no_inherits = mock_register.call_args_list[0][0][0]
ext_has_inherits = mock_register.call_args_list[1][0][0]
# os-volumes inherits from servers
name_list = [ext.obj.alias for ext in ext_has_inherits]
self.assertIn('os-volumes', name_list)
name_list = [ext.obj.alias for ext in ext_no_inherits]
self.assertIn('servers', name_list)
def test_extensions_whitelist_accept(self):
# NOTE(maurosr): just to avoid to get an exception raised for not
# loading all core api.
v21_core = openstack.API_V21_CORE_EXTENSIONS
openstack.API_V21_CORE_EXTENSIONS = set(['servers'])
self.addCleanup(self._set_v21_core, v21_core)
app = compute.APIRouterV21()
self.assertIn('os-hosts', app._loaded_extension_info.extensions)
CONF.set_override('extensions_whitelist', ['servers', 'os-hosts'],
'osapi_v21')
app = compute.APIRouterV21()
self.assertIn('os-hosts', app._loaded_extension_info.extensions)
def test_extensions_whitelist_block(self):
# NOTE(maurosr): just to avoid to get an exception raised for not
# loading all core api.
v21_core = openstack.API_V21_CORE_EXTENSIONS
openstack.API_V21_CORE_EXTENSIONS = set(['servers'])
self.addCleanup(self._set_v21_core, v21_core)
app = compute.APIRouterV21()
self.assertIn('os-hosts', app._loaded_extension_info.extensions)
CONF.set_override('extensions_whitelist', ['servers'], 'osapi_v21')
app = compute.APIRouterV21()
self.assertNotIn('os-hosts', app._loaded_extension_info.extensions)
def test_blacklist_overrides_whitelist(self):
# NOTE(maurosr): just to avoid to get an exception raised for not
# loading all core api.
v21_core = openstack.API_V21_CORE_EXTENSIONS
openstack.API_V21_CORE_EXTENSIONS = set(['servers'])
self.addCleanup(self._set_v21_core, v21_core)
app = compute.APIRouterV21()
self.assertIn('os-hosts', app._loaded_extension_info.extensions)
CONF.set_override('extensions_whitelist', ['servers', 'os-hosts'],
'osapi_v21')
CONF.set_override('extensions_blacklist', ['os-hosts'], 'osapi_v21')
app = compute.APIRouterV21()
self.assertNotIn('os-hosts', app._loaded_extension_info.extensions)
self.assertIn('servers', app._loaded_extension_info.extensions)
self.assertEqual(1, len(app._loaded_extension_info.extensions))
def test_get_missing_core_extensions(self):
v21_core = openstack.API_V21_CORE_EXTENSIONS
openstack.API_V21_CORE_EXTENSIONS = set(['core1', 'core2'])
self.addCleanup(self._set_v21_core, v21_core)
self.assertEqual(0, len(
compute.APIRouterV21.get_missing_core_extensions(
['core1', 'core2', 'noncore1'])))
missing_core = compute.APIRouterV21.get_missing_core_extensions(
['core1'])
self.assertEqual(1, len(missing_core))
self.assertIn('core2', missing_core)
missing_core = compute.APIRouterV21.get_missing_core_extensions([])
self.assertEqual(2, len(missing_core))
self.assertIn('core1', missing_core)
self.assertIn('core2', missing_core)
missing_core = compute.APIRouterV21.get_missing_core_extensions(
['noncore1'])
self.assertEqual(2, len(missing_core))
self.assertIn('core1', missing_core)
self.assertIn('core2', missing_core)
def test_core_extensions_present(self):
self.stubs.Set(stevedore.enabled, 'EnabledExtensionManager',
fake_stevedore_enabled_extensions)
self.stubs.Set(extension_info, 'LoadedExtensionInfo',
fake_loaded_extension_info)
v21_core = openstack.API_V21_CORE_EXTENSIONS
openstack.API_V21_CORE_EXTENSIONS = set(['core1', 'core2'])
self.addCleanup(self._set_v21_core, v21_core)
# if no core API extensions are missing then an exception will
# not be raised when creating an instance of compute.APIRouterV21
compute.APIRouterV21()
def test_core_extensions_missing(self):
self.stubs.Set(stevedore.enabled, 'EnabledExtensionManager',
fake_stevedore_enabled_extensions)
self.stubs.Set(extension_info, 'LoadedExtensionInfo',
fake_loaded_extension_info)
self.assertRaises(exception.CoreAPIMissing, compute.APIRouterV21)
def test_extensions_expected_error(self):
@extensions.expected_errors(404)
def fake_func():
raise webob.exc.HTTPNotFound()
self.assertRaises(webob.exc.HTTPNotFound, fake_func)
def test_extensions_expected_error_from_list(self):
@extensions.expected_errors((404, 403))
def fake_func():
raise webob.exc.HTTPNotFound()
self.assertRaises(webob.exc.HTTPNotFound, fake_func)
def test_extensions_unexpected_error(self):
@extensions.expected_errors(404)
def fake_func():
raise webob.exc.HTTPConflict()
self.assertRaises(webob.exc.HTTPInternalServerError, fake_func)
def test_extensions_unexpected_error_from_list(self):
@extensions.expected_errors((404, 413))
def fake_func():
raise webob.exc.HTTPConflict()
self.assertRaises(webob.exc.HTTPInternalServerError, fake_func)
def test_extensions_unexpected_policy_not_authorized_error(self):
@extensions.expected_errors(404)
def fake_func():
raise exception.PolicyNotAuthorized(action="foo")
self.assertRaises(exception.PolicyNotAuthorized, fake_func)
|
