snaps/openstack/tests/create_image_tests.py

   1 # Copyright (c) 2017 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 os
  16 import shutil
  17 import uuid
  18 import unittest
  19
  20 from snaps import file_utils
  21 from snaps.openstack.create_image import ImageSettings
  22
  23 from snaps.openstack.tests import openstack_tests
  24 from snaps.openstack.utils import glance_utils
  25 from snaps.openstack import create_image
  26 from snaps.openstack import os_credentials
  27 from snaps.openstack.tests.os_source_file_test import OSIntegrationTestCase
  28
  29 __author__ = 'spisarski'
  30
  31
  32 class ImageSettingsUnitTests(unittest.TestCase):
  33     """
  34     Tests the construction of the ImageSettings class
  35     """
  36
  37     def test_no_params(self):
  38         with self.assertRaises(Exception):
  39             ImageSettings()
  40
  41     def test_empty_config(self):
  42         with self.assertRaises(Exception):
  43             ImageSettings(config=dict())
  44
  45     def test_name_only(self):
  46         with self.assertRaises(Exception):
  47             ImageSettings(name='foo')
  48
  49     def test_config_with_name_only(self):
  50         with self.assertRaises(Exception):
  51             ImageSettings(config={'name': 'foo'})
  52
  53     def test_name_user_only(self):
  54         with self.assertRaises(Exception):
  55             ImageSettings(name='foo', image_user='bar')
  56
  57     def test_config_with_name_user_only(self):
  58         with self.assertRaises(Exception):
  59             ImageSettings(config={'name': 'foo', 'image_user': 'bar'})
  60
  61     def test_name_user_format_only(self):
  62         with self.assertRaises(Exception):
  63             ImageSettings(name='foo', image_user='bar', img_format='qcow2')
  64
  65     def test_config_with_name_user_format_only(self):
  66         with self.assertRaises(Exception):
  67             ImageSettings(config={'name': 'foo', 'image_user': 'bar', 'format': 'qcow2'})
  68
  69     def test_name_user_format_url_file_only(self):
  70         with self.assertRaises(Exception):
  71             ImageSettings(name='foo', image_user='bar', img_format='qcow2', url='http://foo.com',
  72                           image_file='/foo/bar.qcow')
  73
  74     def test_config_with_name_user_format_url_file_only(self):
  75         with self.assertRaises(Exception):
  76             ImageSettings(config={'name': 'foo', 'image_user': 'bar', 'format': 'qcow2',
  77                                   'download_url': 'http://foo.com', 'image_file': '/foo/bar.qcow'})
  78
  79     def test_name_user_format_url_only(self):
  80         settings = ImageSettings(name='foo', image_user='bar', img_format='qcow2', url='http://foo.com')
  81         self.assertEqual('foo', settings.name)
  82         self.assertEqual('bar', settings.image_user)
  83         self.assertEqual('qcow2', settings.format)
  84         self.assertEqual('http://foo.com', settings.url)
  85         self.assertIsNone(settings.image_file)
  86         self.assertIsNone(settings.nic_config_pb_loc)
  87
  88     def test_name_user_format_url_only_properties(self):
  89         properties = {'hw_video_model': 'vga'}
  90         settings = ImageSettings(name='foo', image_user='bar', img_format='qcow2', url='http://foo.com',
  91                                  extra_properties=properties)
  92         self.assertEqual('foo', settings.name)
  93         self.assertEqual('bar', settings.image_user)
  94         self.assertEqual('qcow2', settings.format)
  95         self.assertEqual('http://foo.com', settings.url)
  96         self.assertEqual(properties, settings.extra_properties)
  97         self.assertIsNone(settings.image_file)
  98         self.assertIsNone(settings.nic_config_pb_loc)
  99
 100     def test_config_with_name_user_format_url_only(self):
 101         settings = ImageSettings(config={'name': 'foo', 'image_user': 'bar', 'format': 'qcow2',
 102                                          'download_url': 'http://foo.com'})
 103         self.assertEqual('foo', settings.name)
 104         self.assertEqual('bar', settings.image_user)
 105         self.assertEqual('qcow2', settings.format)
 106         self.assertEqual('http://foo.com', settings.url)
 107         self.assertIsNone(settings.image_file)
 108         self.assertIsNone(settings.nic_config_pb_loc)
 109
 110     def test_name_user_format_file_only(self):
 111         settings = ImageSettings(name='foo', image_user='bar', img_format='qcow2', image_file='/foo/bar.qcow')
 112         self.assertEqual('foo', settings.name)
 113         self.assertEqual('bar', settings.image_user)
 114         self.assertEqual('qcow2', settings.format)
 115         self.assertIsNone(settings.url)
 116         self.assertEqual('/foo/bar.qcow', settings.image_file)
 117         self.assertIsNone(settings.nic_config_pb_loc)
 118
 119     def test_config_with_name_user_format_file_only(self):
 120         settings = ImageSettings(config={'name': 'foo', 'image_user': 'bar', 'format': 'qcow2',
 121                                          'image_file': '/foo/bar.qcow'})
 122         self.assertEqual('foo', settings.name)
 123         self.assertEqual('bar', settings.image_user)
 124         self.assertEqual('qcow2', settings.format)
 125         self.assertIsNone(settings.url)
 126         self.assertEqual('/foo/bar.qcow', settings.image_file)
 127         self.assertIsNone(settings.nic_config_pb_loc)
 128
 129     def test_all_url(self):
 130         properties = {'hw_video_model': 'vga'}
 131         kernel_settings = ImageSettings(name='kernel', url='http://kernel.com', image_user='bar', img_format='qcow2')
 132         ramdisk_settings = ImageSettings(name='ramdisk', url='http://ramdisk.com', image_user='bar', img_format='qcow2')
 133         settings = ImageSettings(name='foo', image_user='bar', img_format='qcow2', url='http://foo.com',
 134                                  extra_properties=properties, nic_config_pb_loc='/foo/bar',
 135                                  kernel_image_settings=kernel_settings, ramdisk_image_settings=ramdisk_settings)
 136         self.assertEqual('foo', settings.name)
 137         self.assertEqual('bar', settings.image_user)
 138         self.assertEqual('qcow2', settings.format)
 139         self.assertEqual('http://foo.com', settings.url)
 140         self.assertEqual(properties, settings.extra_properties)
 141         self.assertIsNone(settings.image_file)
 142         self.assertEqual('/foo/bar', settings.nic_config_pb_loc)
 143         self.assertEqual('kernel', settings.kernel_image_settings.name)
 144         self.assertEqual('http://kernel.com', settings.kernel_image_settings.url)
 145         self.assertEqual('bar', settings.kernel_image_settings.image_user)
 146         self.assertEqual('qcow2', settings.kernel_image_settings.format)
 147         self.assertEqual('ramdisk', settings.ramdisk_image_settings.name)
 148         self.assertEqual('http://ramdisk.com', settings.ramdisk_image_settings.url)
 149         self.assertEqual('bar', settings.ramdisk_image_settings.image_user)
 150         self.assertEqual('qcow2', settings.ramdisk_image_settings.format)
 151
 152     def test_config_all_url(self):
 153         settings = ImageSettings(
 154             config={'name': 'foo', 'image_user': 'bar', 'format': 'qcow2',
 155                     'download_url': 'http://foo.com',
 156                     'extra_properties': '{\'hw_video_model\': \'vga\'}',
 157                     'nic_config_pb_loc': '/foo/bar',
 158                     'kernel_image_settings': {'name': 'kernel', 'download_url': 'http://kernel.com',
 159                                               'image_user': 'bar', 'format': 'qcow2'},
 160                     'ramdisk_image_settings': {'name': 'ramdisk', 'download_url': 'http://ramdisk.com',
 161                                                'image_user': 'bar', 'format': 'qcow2'}})
 162         self.assertEqual('foo', settings.name)
 163         self.assertEqual('bar', settings.image_user)
 164         self.assertEqual('qcow2', settings.format)
 165         self.assertEqual('http://foo.com', settings.url)
 166         self.assertEqual('{\'hw_video_model\': \'vga\'}', settings.extra_properties)
 167         self.assertIsNone(settings.image_file)
 168         self.assertEqual('/foo/bar', settings.nic_config_pb_loc)
 169         self.assertEqual('kernel', settings.kernel_image_settings.name)
 170         self.assertEqual('http://kernel.com', settings.kernel_image_settings.url)
 171         self.assertEqual('ramdisk', settings.ramdisk_image_settings.name)
 172         self.assertEqual('http://ramdisk.com', settings.ramdisk_image_settings.url)
 173
 174     def test_all_file(self):
 175         properties = {'hw_video_model': 'vga'}
 176         settings = ImageSettings(name='foo', image_user='bar', img_format='qcow2', image_file='/foo/bar.qcow',
 177                                  extra_properties=properties, nic_config_pb_loc='/foo/bar')
 178         self.assertEqual('foo', settings.name)
 179         self.assertEqual('bar', settings.image_user)
 180         self.assertEqual('qcow2', settings.format)
 181         self.assertIsNone(settings.url)
 182         self.assertEqual('/foo/bar.qcow', settings.image_file)
 183         self.assertEqual(properties, settings.extra_properties)
 184         self.assertEqual('/foo/bar', settings.nic_config_pb_loc)
 185
 186     def test_config_all_file(self):
 187         settings = ImageSettings(config={'name': 'foo', 'image_user': 'bar', 'format': 'qcow2',
 188                                          'image_file': '/foo/bar.qcow',
 189                                          'extra_properties': '{\'hw_video_model\' : \'vga\'}',
 190                                          'nic_config_pb_loc': '/foo/bar'})
 191         self.assertEqual('foo', settings.name)
 192         self.assertEqual('bar', settings.image_user)
 193         self.assertEqual('qcow2', settings.format)
 194         self.assertIsNone(settings.url)
 195         self.assertEqual('/foo/bar.qcow', settings.image_file)
 196         self.assertEqual('{\'hw_video_model\' : \'vga\'}', settings.extra_properties)
 197         self.assertEqual('/foo/bar', settings.nic_config_pb_loc)
 198
 199
 200 class CreateImageSuccessTests(OSIntegrationTestCase):
 201     """
 202     Test for the CreateImage class defined in create_image.py
 203     """
 204
 205     def setUp(self):
 206         """
 207         Instantiates the CreateImage object that is responsible for downloading and creating an OS image file
 208         within OpenStack
 209         """
 210         super(self.__class__, self).__start__()
 211
 212         guid = uuid.uuid4()
 213         self.image_name = self.__class__.__name__ + '-' + str(guid)
 214         self.glance = glance_utils.glance_client(self.os_creds)
 215         self.image_creator = None
 216
 217         self.tmp_dir = 'tmp/' + str(guid)
 218         if not os.path.exists(self.tmp_dir):
 219             os.makedirs(self.tmp_dir)
 220
 221         self.image_settings = openstack_tests.cirros_image_settings(name=self.image_name,
 222                                                                     image_metadata=self.image_metadata)
 223
 224     def tearDown(self):
 225         """
 226         Cleans the image and downloaded image file
 227         """
 228         if self.image_creator:
 229             self.image_creator.clean()
 230
 231         if os.path.exists(self.tmp_dir) and os.path.isdir(self.tmp_dir):
 232             shutil.rmtree(self.tmp_dir)
 233
 234         super(self.__class__, self).__clean__()
 235
 236     def test_create_image_clean_url(self):
 237         """
 238         Tests the creation of an OpenStack image from a URL.
 239         """
 240         # Create Image
 241         # Set the default image settings, then set any custom parameters sent from the app
 242
 243         self.image_creator = create_image.OpenStackImage(self.os_creds, self.image_settings)
 244         created_image = self.image_creator.create()
 245         self.assertIsNotNone(created_image)
 246
 247         retrieved_image = glance_utils.get_image(self.glance, self.image_settings.name)
 248         self.assertIsNotNone(retrieved_image)
 249         self.assertEqual(created_image.size, retrieved_image.size)
 250         self.assertEqual(get_image_size(self.image_settings), retrieved_image.size)
 251         self.assertEqual(created_image.name, retrieved_image.name)
 252         self.assertEqual(created_image.id, retrieved_image.id)
 253
 254     def test_create_image_clean_url_properties(self):
 255         """
 256         Tests the creation of an OpenStack image from a URL and set properties.
 257         """
 258         # Create Image
 259         # Set the default image settings, then set any custom parameters sent from the app
 260         self.image_creator = create_image.OpenStackImage(self.os_creds, self.image_settings)
 261         created_image = self.image_creator.create()
 262         self.assertIsNotNone(created_image)
 263
 264         retrieved_image = glance_utils.get_image(self.glance, self.image_settings.name)
 265         self.assertIsNotNone(retrieved_image)
 266         self.assertEqual(self.image_creator.get_image().size, retrieved_image.size)
 267         self.assertEqual(get_image_size(self.image_settings), retrieved_image.size)
 268         self.assertEqual(created_image.name, retrieved_image.name)
 269         self.assertEqual(created_image.id, retrieved_image.id)
 270         self.assertEqual(created_image.properties, retrieved_image.properties)
 271
 272     def test_create_image_clean_file(self):
 273         """
 274         Tests the creation of an OpenStack image from a file.
 275         """
 276
 277         # Create Image
 278
 279         # Download the file of the image
 280         image_file = file_utils.download(self.image_settings.url, self.tmp_dir)
 281         file_image_settings = openstack_tests.file_image_test_settings(
 282             name=self.image_name, file_path=image_file.name)
 283
 284         self.image_creator = create_image.OpenStackImage(self.os_creds, file_image_settings)
 285         created_image = self.image_creator.create()
 286         self.assertIsNotNone(created_image)
 287         self.assertEqual(self.image_name, created_image.name)
 288
 289         retrieved_image = glance_utils.get_image(self.glance, file_image_settings.name)
 290         self.assertIsNotNone(retrieved_image)
 291         self.assertEqual(self.image_creator.get_image().size, retrieved_image.size)
 292         self.assertEqual(get_image_size(file_image_settings), retrieved_image.size)
 293
 294         self.assertEqual(created_image.name, retrieved_image.name)
 295         self.assertEqual(created_image.id, retrieved_image.id)
 296
 297     def test_create_delete_image(self):
 298         """
 299         Tests the creation then deletion of an OpenStack image to ensure clean() does not raise an Exception.
 300         """
 301         # Create Image
 302         self.image_creator = create_image.OpenStackImage(self.os_creds, self.image_settings)
 303         created_image = self.image_creator.create()
 304         self.assertIsNotNone(created_image)
 305
 306         retrieved_image = glance_utils.get_image(self.glance, self.image_settings.name)
 307         self.assertIsNotNone(retrieved_image)
 308         self.assertEqual(self.image_creator.get_image().size, retrieved_image.size)
 309         self.assertEqual(get_image_size(self.image_settings), retrieved_image.size)
 310
 311         # Delete Image manually
 312         glance_utils.delete_image(self.glance, created_image)
 313
 314         self.assertIsNone(glance_utils.get_image(self.glance, self.image_creator.image_settings.name))
 315
 316         # Must not throw an exception when attempting to cleanup non-existent image
 317         self.image_creator.clean()
 318         self.assertIsNone(self.image_creator.get_image())
 319
 320     def test_create_same_image(self):
 321         """
 322         Tests the creation of an OpenStack image when the image already exists.
 323         """
 324         # Create Image
 325         self.image_creator = create_image.OpenStackImage(self.os_creds, self.image_settings)
 326         image1 = self.image_creator.create()
 327
 328         retrieved_image = glance_utils.get_image(self.glance, self.image_settings.name)
 329         self.assertIsNotNone(retrieved_image)
 330         self.assertEqual(self.image_creator.get_image().size, retrieved_image.size)
 331         self.assertEqual(get_image_size(self.image_settings), retrieved_image.size)
 332         self.assertEqual(image1.name, retrieved_image.name)
 333         self.assertEqual(image1.id, retrieved_image.id)
 334         self.assertEqual(image1.properties, retrieved_image.properties)
 335
 336         # Should be retrieving the instance data
 337         os_image_2 = create_image.OpenStackImage(self.os_creds, self.image_settings)
 338         image2 = os_image_2.create()
 339         self.assertEqual(image1.id, image2.id)
 340
 341
 342 class CreateImageNegativeTests(OSIntegrationTestCase):
 343     """
 344     Negative test cases for the CreateImage class
 345     """
 346
 347     def setUp(self):
 348         super(self.__class__, self).__start__()
 349
 350         self.image_name = self.__class__.__name__ + '-' + str(uuid.uuid4())
 351         self.image_creator = None
 352
 353     def tearDown(self):
 354         if self.image_creator:
 355             self.image_creator.clean()
 356
 357         super(self.__class__, self).__clean__()
 358
 359     def test_none_image_name(self):
 360         """
 361         Expect an exception when the image name is None
 362         """
 363         os_image_settings = openstack_tests.cirros_image_settings(name=self.image_name)
 364         with self.assertRaises(Exception):
 365             self.image_creator = create_image.OpenStackImage(
 366                 self.os_creds, create_image.ImageSettings(
 367                     name=None, image_user=os_image_settings.image_user, img_format=os_image_settings.format,
 368                     url=os_image_settings.url))
 369
 370             self.fail('Exception should have been thrown prior to this line')
 371
 372     def test_bad_image_url(self):
 373         """
 374         Expect an exception when the image download url is bad
 375         """
 376         os_image_settings = openstack_tests.cirros_image_settings(name=self.image_name)
 377         self.image_creator = create_image.OpenStackImage(self.os_creds, create_image.ImageSettings(
 378             name=os_image_settings.name, image_user=os_image_settings.image_user,
 379             img_format=os_image_settings.format, url="http://foo.bar"))
 380         with self.assertRaises(Exception):
 381             self.image_creator.create()
 382
 383     def test_bad_image_file(self):
 384         """
 385         Expect an exception when the image file does not exist
 386         """
 387         os_image_settings = openstack_tests.cirros_image_settings(name=self.image_name)
 388         self.image_creator = create_image.OpenStackImage(
 389             self.os_creds,
 390             create_image.ImageSettings(name=os_image_settings.name, image_user=os_image_settings.image_user,
 391                                        img_format=os_image_settings.format, image_file="/foo/bar.qcow"))
 392         with self.assertRaises(Exception):
 393             self.image_creator.create()
 394
 395     def test_none_proj_name(self):
 396         """
 397         Expect an exception when the project name is None
 398         """
 399         os_image_settings = openstack_tests.cirros_image_settings(name=self.image_name)
 400         with self.assertRaises(Exception):
 401             self.image_creator = create_image.OpenStackImage(
 402                 os_credentials.OSCreds(self.os_creds.username, self.os_creds.password, self.os_creds.auth_url, None,
 403                                        proxy_settings=self.os_creds.proxy_settings),
 404                 os_image_settings)
 405             self.image_creator.create()
 406
 407     def test_none_auth_url(self):
 408         """
 409         Expect an exception when the project name is None
 410         """
 411         os_image_settings = openstack_tests.cirros_image_settings(name=self.image_name)
 412         with self.assertRaises(Exception):
 413             self.image_creator = create_image.OpenStackImage(
 414                 os_credentials.OSCreds(self.os_creds.username, self.os_creds.password, None,
 415                                        self.os_creds.project_name, proxy_settings=self.os_creds.proxy_settings),
 416                 os_image_settings)
 417             self.image_creator.create()
 418
 419     def test_none_password(self):
 420         """
 421         Expect an exception when the project name is None
 422         """
 423         os_image_settings = openstack_tests.cirros_image_settings(name=self.image_name)
 424         with self.assertRaises(Exception):
 425             self.image_creator = create_image.OpenStackImage(
 426                 os_credentials.OSCreds(self.os_creds.username, None, self.os_creds.os_auth_url,
 427                                        self.os_creds.project_name, proxy_settings=self.os_creds.proxy_settings),
 428                 os_image_settings)
 429
 430     def test_none_user(self):
 431         """
 432         Expect an exception when the project name is None
 433         """
 434         os_image_settings = openstack_tests.cirros_image_settings(name=self.image_name)
 435         with self.assertRaises(Exception):
 436             self.image_creator = create_image.OpenStackImage(
 437                 os_credentials.OSCreds(None, self.os_creds.password, self.os_creds.os_auth_url,
 438                                        self.os_creds.project_name,
 439                                        proxy_settings=self.os_creds.proxy_settings),
 440                 os_image_settings)
 441
 442
 443 class CreateMultiPartImageTests(OSIntegrationTestCase):
 444     """
 445     Test different means for creating a 3-part images
 446     """
 447     def setUp(self):
 448         """
 449         Instantiates the CreateImage object that is responsible for
 450         downloading and creating an OS image file within OpenStack
 451         """
 452         super(self.__class__, self).__start__()
 453
 454         guid = uuid.uuid4()
 455         self.image_creators = list()
 456         self.image_name = self.__class__.__name__ + '-' + str(guid)
 457         self.glance = glance_utils.glance_client(self.os_creds)
 458
 459         self.tmp_dir = 'tmp/' + str(guid)
 460         if not os.path.exists(self.tmp_dir):
 461             os.makedirs(self.tmp_dir)
 462
 463     def tearDown(self):
 464         """
 465         Cleans the images and downloaded image file
 466         """
 467         for image_creator in self.image_creators:
 468             image_creator.clean()
 469
 470         if os.path.exists(self.tmp_dir) and os.path.isdir(self.tmp_dir):
 471             shutil.rmtree(self.tmp_dir)
 472
 473         super(self.__class__, self).__clean__()
 474
 475     def test_create_three_part_image_from_url(self):
 476         """
 477         Tests the creation of a 3-part OpenStack image from a URL.
 478         """
 479         # Create the kernel image
 480         image_settings = openstack_tests.cirros_image_settings(
 481             name=self.image_name,
 482             image_metadata={'disk_url': 'http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-disk.img',
 483                             'kernel_url': 'http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-kernel',
 484                             'ramdisk_url': 'http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-initramfs'})
 485
 486         image_creator = create_image.OpenStackImage(self.os_creds, image_settings)
 487         self.image_creators.append(image_creator)
 488         image_creator.create()
 489
 490         main_image = glance_utils.get_image(self.glance, image_settings.name)
 491         self.assertIsNotNone(main_image)
 492         self.assertIsNotNone(image_creator.get_image())
 493         self.assertEqual(image_creator.get_image().id, main_image.id)
 494
 495         kernel_image = glance_utils.get_image(self.glance, image_settings.kernel_image_settings.name)
 496         self.assertIsNotNone(kernel_image)
 497         self.assertIsNotNone(image_creator.get_kernel_image())
 498         self.assertEqual(kernel_image.id, image_creator.get_kernel_image().id)
 499
 500         ramdisk_image = glance_utils.get_image(self.glance, image_settings.ramdisk_image_settings.name)
 501         self.assertIsNotNone(ramdisk_image)
 502         self.assertIsNotNone(image_creator.get_ramdisk_image())
 503         self.assertEqual(ramdisk_image.id, image_creator.get_ramdisk_image().id)
 504
 505     def test_create_three_part_image_from_file_3_creators(self):
 506         """
 507         Tests the creation of a 3-part OpenStack image from files.
 508         """
 509         # Set properties
 510         properties = {}
 511         if self.image_metadata:
 512             if 'extra_properties' in self.image_metadata:
 513                 properties = self.image_metadata['extra_properties']
 514         # Create the kernel image
 515         kernel_url = 'http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-kernel'
 516         if self.image_metadata:
 517             if 'kernel_url' in self.image_metadata:
 518                 kernel_url = self.image_metadata['kernel_url']
 519         kernel_image_file = file_utils.download(kernel_url, self.tmp_dir)
 520         kernel_file_image_settings = openstack_tests.file_image_test_settings(
 521             name=self.image_name+'_kernel', file_path=kernel_image_file.name)
 522         self.image_creators.append(create_image.OpenStackImage(self.os_creds, kernel_file_image_settings))
 523         kernel_image = self.image_creators[-1].create()
 524         self.assertIsNotNone(kernel_image)
 525         self.assertEqual(get_image_size(kernel_file_image_settings), kernel_image.size)
 526
 527         # Create the ramdisk image
 528         ramdisk_url = 'http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-initramfs'
 529         if self.image_metadata:
 530             if 'ramdisk_url' in self.image_metadata:
 531                 ramdisk_url = self.image_metadata['ramdisk_url']
 532         ramdisk_image_file = file_utils.download(ramdisk_url, self.tmp_dir)
 533         ramdisk_file_image_settings = openstack_tests.file_image_test_settings(
 534             name=self.image_name+'_ramdisk', file_path=ramdisk_image_file.name)
 535         self.image_creators.append(create_image.OpenStackImage(self.os_creds, ramdisk_file_image_settings))
 536         ramdisk_image = self.image_creators[-1].create()
 537         self.assertIsNotNone(ramdisk_image)
 538         self.assertEqual(get_image_size(ramdisk_file_image_settings), ramdisk_image.size)
 539
 540         # Create the main image
 541         image_url = 'http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-disk.img'
 542         image_file = file_utils.download(image_url, self.tmp_dir)
 543         file_image_settings = openstack_tests.file_image_test_settings(name=self.image_name, file_path=image_file.name)
 544         properties['kernel_id'] = kernel_image.id
 545         properties['ramdisk_id'] = ramdisk_image.id
 546         file_image_settings.extra_properties = properties
 547         self.image_creators.append(create_image.OpenStackImage(self.os_creds, file_image_settings))
 548         created_image = self.image_creators[-1].create()
 549
 550         self.assertIsNotNone(created_image)
 551         self.assertEqual(self.image_name, created_image.name)
 552
 553         retrieved_image = glance_utils.get_image(self.glance, file_image_settings.name)
 554         self.assertIsNotNone(retrieved_image)
 555         self.assertEqual(self.image_creators[-1].get_image().size, retrieved_image.size)
 556         self.assertEqual(get_image_size(file_image_settings), retrieved_image.size)
 557         self.assertEqual(created_image.name, retrieved_image.name)
 558         self.assertEqual(created_image.id, retrieved_image.id)
 559         self.assertEqual(created_image.properties, retrieved_image.properties)
 560
 561     def test_create_three_part_image_from_url_3_creators(self):
 562         """
 563         Tests the creation of a 3-part OpenStack image from a URL.
 564         """
 565         # Set properties
 566         properties = {}
 567         if self.image_metadata and 'extra_properties' in self.image_metadata:
 568             properties = self.image_metadata['extra_properties']
 569
 570         # Create the kernel image
 571         kernel_image_settings = openstack_tests.cirros_image_settings(
 572             name=self.image_name+'_kernel',
 573             url='http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-kernel')
 574
 575         if self.image_metadata:
 576             if 'kernel_url' in self.image_metadata:
 577                 kernel_image_settings.url = self.image_metadata['kernel_url']
 578         self.image_creators.append(create_image.OpenStackImage(self.os_creds, kernel_image_settings))
 579         kernel_image = self.image_creators[-1].create()
 580         self.assertIsNotNone(kernel_image)
 581         self.assertEqual(get_image_size(kernel_image_settings), kernel_image.size)
 582
 583         # Create the ramdisk image
 584         ramdisk_image_settings = openstack_tests.cirros_image_settings(
 585             name=self.image_name+'_ramdisk',
 586             url='http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-initramfs')
 587         if self.image_metadata:
 588             if 'ramdisk_url' in self.image_metadata:
 589                 ramdisk_image_settings.url = self.image_metadata['ramdisk_url']
 590         self.image_creators.append(create_image.OpenStackImage(self.os_creds, ramdisk_image_settings))
 591         ramdisk_image = self.image_creators[-1].create()
 592         self.assertIsNotNone(ramdisk_image)
 593         self.assertEqual(get_image_size(ramdisk_image_settings), ramdisk_image.size)
 594
 595         # Create the main image
 596         os_image_settings = openstack_tests.cirros_image_settings(
 597             name=self.image_name,
 598             url='http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-disk.img')
 599         if self.image_metadata:
 600             if 'disk_url' in self.image_metadata:
 601                 os_image_settings.url = self.image_metadata['disk_url']
 602
 603         properties['kernel_id'] = kernel_image.id
 604         properties['ramdisk_id'] = ramdisk_image.id
 605         os_image_settings.extra_properties = properties
 606
 607         self.image_creators.append(create_image.OpenStackImage(self.os_creds, os_image_settings))
 608         created_image = self.image_creators[-1].create()
 609         self.assertIsNotNone(created_image)
 610         self.assertEqual(self.image_name, created_image.name)
 611
 612         retrieved_image = glance_utils.get_image(self.glance, os_image_settings.name)
 613         self.assertIsNotNone(retrieved_image)
 614
 615         self.assertEqual(self.image_creators[-1].get_image().size, retrieved_image.size)
 616         self.assertEqual(get_image_size(os_image_settings), retrieved_image.size)
 617
 618         self.assertEqual(created_image.name, retrieved_image.name)
 619         self.assertEqual(created_image.id, retrieved_image.id)
 620         self.assertEqual(created_image.properties, retrieved_image.properties)
 621
 622
 623 def get_image_size(image_settings):
 624     """
 625     Returns the expected image size
 626     :return:
 627     """
 628     if image_settings.image_file:
 629         return os.path.getsize(image_settings.image_file)
 630     elif image_settings.url:
 631         return int(file_utils.get_content_length(image_settings.url))
 632     else:
 633         raise Exception('Cannot retrieve expected image size. Image filename or URL has not been configured')