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 from glanceclient.exc import HTTPBadRequest
  16
  17 try:
  18     from urllib.request import URLError
  19 except ImportError:
  20     from urllib2 import URLError
  21
  22 import logging
  23 import shutil
  24 import unittest
  25 import uuid
  26
  27 import os
  28
  29 from snaps import file_utils
  30 from snaps.openstack import create_image
  31 from snaps.openstack.create_image import (ImageSettings, ImageCreationError,
  32                                           ImageSettingsError)
  33 from snaps.openstack.tests import openstack_tests
  34 from snaps.openstack.tests.os_source_file_test import OSIntegrationTestCase
  35 from snaps.openstack.utils import glance_utils
  36
  37 __author__ = 'spisarski'
  38
  39 logger = logging.getLogger('create_image_tests')
  40
  41
  42 class ImageSettingsUnitTests(unittest.TestCase):
  43     """
  44     Tests the construction of the ImageSettings class
  45     """
  46
  47     def test_no_params(self):
  48         with self.assertRaises(ImageSettingsError):
  49             ImageSettings()
  50
  51     def test_empty_config(self):
  52         with self.assertRaises(ImageSettingsError):
  53             ImageSettings(**dict())
  54
  55     def test_name_only(self):
  56         with self.assertRaises(ImageSettingsError):
  57             ImageSettings(name='foo')
  58
  59     def test_config_with_name_only(self):
  60         with self.assertRaises(ImageSettingsError):
  61             ImageSettings(**{'name': 'foo'})
  62
  63     def test_name_user_only(self):
  64         with self.assertRaises(ImageSettingsError):
  65             ImageSettings(name='foo', image_user='bar')
  66
  67     def test_config_with_name_user_only(self):
  68         with self.assertRaises(ImageSettingsError):
  69             ImageSettings(**{'name': 'foo', 'image_user': 'bar'})
  70
  71     def test_name_user_format_only(self):
  72         with self.assertRaises(ImageSettingsError):
  73             ImageSettings(name='foo', image_user='bar', img_format='qcow2')
  74
  75     def test_config_with_name_user_format_only(self):
  76         with self.assertRaises(ImageSettingsError):
  77             ImageSettings(
  78                 **{'name': 'foo', 'image_user': 'bar', 'format': 'qcow2'})
  79
  80     def test_name_user_format_url_file_only(self):
  81         with self.assertRaises(ImageSettingsError):
  82             ImageSettings(name='foo', image_user='bar', img_format='qcow2',
  83                           url='http://foo.com',
  84                           image_file='/foo/bar.qcow')
  85
  86     def test_config_with_name_user_format_url_file_only(self):
  87         with self.assertRaises(ImageSettingsError):
  88             ImageSettings(
  89                 **{'name': 'foo', 'image_user': 'bar', 'format': 'qcow2',
  90                    'download_url': 'http://foo.com',
  91                    'image_file': '/foo/bar.qcow'})
  92
  93     def test_name_user_format_url_only(self):
  94         settings = ImageSettings(name='foo', image_user='bar',
  95                                  img_format='qcow2', url='http://foo.com')
  96         self.assertEqual('foo', settings.name)
  97         self.assertEqual('bar', settings.image_user)
  98         self.assertEqual('qcow2', settings.format)
  99         self.assertEqual('http://foo.com', settings.url)
 100         self.assertIsNone(settings.image_file)
 101         self.assertFalse(settings.exists)
 102         self.assertFalse(settings.public)
 103         self.assertIsNone(settings.nic_config_pb_loc)
 104
 105     def test_name_user_format_url_only_properties(self):
 106         properties = {'hw_video_model': 'vga'}
 107         settings = ImageSettings(name='foo', image_user='bar',
 108                                  img_format='qcow2', url='http://foo.com',
 109                                  extra_properties=properties)
 110         self.assertEqual('foo', settings.name)
 111         self.assertEqual('bar', settings.image_user)
 112         self.assertEqual('qcow2', settings.format)
 113         self.assertEqual('http://foo.com', settings.url)
 114         self.assertEqual(properties, settings.extra_properties)
 115         self.assertIsNone(settings.image_file)
 116         self.assertFalse(settings.exists)
 117         self.assertFalse(settings.public)
 118         self.assertIsNone(settings.nic_config_pb_loc)
 119
 120     def test_config_with_name_user_format_url_only(self):
 121         settings = ImageSettings(
 122             **{'name': 'foo', 'image_user': 'bar', 'format': 'qcow2',
 123                'download_url': 'http://foo.com'})
 124         self.assertEqual('foo', settings.name)
 125         self.assertEqual('bar', settings.image_user)
 126         self.assertEqual('qcow2', settings.format)
 127         self.assertEqual('http://foo.com', settings.url)
 128         self.assertIsNone(settings.image_file)
 129         self.assertFalse(settings.exists)
 130         self.assertFalse(settings.public)
 131         self.assertIsNone(settings.nic_config_pb_loc)
 132
 133     def test_name_user_format_file_only(self):
 134         settings = ImageSettings(name='foo', image_user='bar',
 135                                  img_format='qcow2',
 136                                  image_file='/foo/bar.qcow')
 137         self.assertEqual('foo', settings.name)
 138         self.assertEqual('bar', settings.image_user)
 139         self.assertEqual('qcow2', settings.format)
 140         self.assertIsNone(settings.url)
 141         self.assertEqual('/foo/bar.qcow', settings.image_file)
 142         self.assertFalse(settings.exists)
 143         self.assertFalse(settings.public)
 144         self.assertIsNone(settings.nic_config_pb_loc)
 145
 146     def test_config_with_name_user_format_file_only(self):
 147         settings = ImageSettings(
 148             **{'name': 'foo', 'image_user': 'bar', 'format': 'qcow2',
 149                'image_file': '/foo/bar.qcow'})
 150         self.assertEqual('foo', settings.name)
 151         self.assertEqual('bar', settings.image_user)
 152         self.assertEqual('qcow2', settings.format)
 153         self.assertIsNone(settings.url)
 154         self.assertEqual('/foo/bar.qcow', settings.image_file)
 155         self.assertFalse(settings.exists)
 156         self.assertFalse(settings.public)
 157         self.assertIsNone(settings.nic_config_pb_loc)
 158
 159     def test_all_url(self):
 160         properties = {'hw_video_model': 'vga'}
 161         kernel_settings = ImageSettings(name='kernel', url='http://kernel.com',
 162                                         image_user='bar', img_format='qcow2')
 163         ramdisk_settings = ImageSettings(name='ramdisk',
 164                                          url='http://ramdisk.com',
 165                                          image_user='bar', img_format='qcow2')
 166         settings = ImageSettings(name='foo', image_user='bar',
 167                                  img_format='qcow2', url='http://foo.com',
 168                                  extra_properties=properties,
 169                                  nic_config_pb_loc='/foo/bar',
 170                                  kernel_image_settings=kernel_settings,
 171                                  ramdisk_image_settings=ramdisk_settings,
 172                                  exists=True, public=True)
 173         self.assertEqual('foo', settings.name)
 174         self.assertEqual('bar', settings.image_user)
 175         self.assertEqual('qcow2', settings.format)
 176         self.assertEqual('http://foo.com', settings.url)
 177         self.assertEqual(properties, settings.extra_properties)
 178         self.assertIsNone(settings.image_file)
 179         self.assertEqual('/foo/bar', settings.nic_config_pb_loc)
 180         self.assertEqual('kernel', settings.kernel_image_settings.name)
 181         self.assertEqual('http://kernel.com',
 182                          settings.kernel_image_settings.url)
 183         self.assertEqual('bar', settings.kernel_image_settings.image_user)
 184         self.assertEqual('qcow2', settings.kernel_image_settings.format)
 185         self.assertEqual('ramdisk', settings.ramdisk_image_settings.name)
 186         self.assertEqual('http://ramdisk.com',
 187                          settings.ramdisk_image_settings.url)
 188         self.assertEqual('bar', settings.ramdisk_image_settings.image_user)
 189         self.assertEqual('qcow2', settings.ramdisk_image_settings.format)
 190         self.assertTrue(settings.exists)
 191         self.assertTrue(settings.public)
 192
 193     def test_config_all_url(self):
 194         settings = ImageSettings(
 195             **{'name': 'foo', 'image_user': 'bar', 'format': 'qcow2',
 196                'download_url': 'http://foo.com',
 197                'extra_properties': '{\'hw_video_model\': \'vga\'}',
 198                'nic_config_pb_loc': '/foo/bar',
 199                'kernel_image_settings': {
 200                    'name': 'kernel',
 201                    'download_url': 'http://kernel.com',
 202                    'image_user': 'bar',
 203                    'format': 'qcow2'},
 204                'ramdisk_image_settings': {
 205                    'name': 'ramdisk',
 206                    'download_url': 'http://ramdisk.com',
 207                    'image_user': 'bar',
 208                    'format': 'qcow2'},
 209                'exists': True, 'public': True})
 210         self.assertEqual('foo', settings.name)
 211         self.assertEqual('bar', settings.image_user)
 212         self.assertEqual('qcow2', settings.format)
 213         self.assertEqual('http://foo.com', settings.url)
 214         self.assertEqual('{\'hw_video_model\': \'vga\'}',
 215                          settings.extra_properties)
 216         self.assertIsNone(settings.image_file)
 217         self.assertEqual('/foo/bar', settings.nic_config_pb_loc)
 218         self.assertEqual('kernel', settings.kernel_image_settings.name)
 219         self.assertEqual('http://kernel.com',
 220                          settings.kernel_image_settings.url)
 221         self.assertEqual('ramdisk', settings.ramdisk_image_settings.name)
 222         self.assertEqual('http://ramdisk.com',
 223                          settings.ramdisk_image_settings.url)
 224         self.assertTrue(settings.exists)
 225         self.assertTrue(settings.public)
 226
 227     def test_all_file(self):
 228         properties = {'hw_video_model': 'vga'}
 229         settings = ImageSettings(name='foo', image_user='bar',
 230                                  img_format='qcow2',
 231                                  image_file='/foo/bar.qcow',
 232                                  extra_properties=properties,
 233                                  nic_config_pb_loc='/foo/bar', exists=True,
 234                                  public=True)
 235         self.assertEqual('foo', settings.name)
 236         self.assertEqual('bar', settings.image_user)
 237         self.assertEqual('qcow2', settings.format)
 238         self.assertIsNone(settings.url)
 239         self.assertEqual('/foo/bar.qcow', settings.image_file)
 240         self.assertEqual(properties, settings.extra_properties)
 241         self.assertEqual('/foo/bar', settings.nic_config_pb_loc)
 242         self.assertTrue(settings.exists)
 243         self.assertTrue(settings.public)
 244
 245     def test_config_all_file(self):
 246         settings = ImageSettings(
 247             **{'name': 'foo', 'image_user': 'bar', 'format': 'qcow2',
 248                'image_file': '/foo/bar.qcow',
 249                'extra_properties': '{\'hw_video_model\' : \'vga\'}',
 250                'nic_config_pb_loc': '/foo/bar', 'exists': True,
 251                'public': True})
 252         self.assertEqual('foo', settings.name)
 253         self.assertEqual('bar', settings.image_user)
 254         self.assertEqual('qcow2', settings.format)
 255         self.assertIsNone(settings.url)
 256         self.assertEqual('/foo/bar.qcow', settings.image_file)
 257         self.assertEqual('{\'hw_video_model\' : \'vga\'}',
 258                          settings.extra_properties)
 259         self.assertEqual('/foo/bar', settings.nic_config_pb_loc)
 260         self.assertTrue(settings.exists)
 261         self.assertTrue(settings.public)
 262
 263
 264 class CreateImageSuccessTests(OSIntegrationTestCase):
 265     """
 266     Test for the CreateImage class defined in create_image.py
 267     """
 268
 269     def setUp(self):
 270         """
 271         Instantiates the CreateImage object that is responsible for downloading
 272         and creating an OS image file within OpenStack
 273         """
 274         super(self.__class__, self).__start__()
 275
 276         guid = uuid.uuid4()
 277         self.image_name = self.__class__.__name__ + '-' + str(guid)
 278         self.glance = glance_utils.glance_client(self.os_creds)
 279         self.image_creator = None
 280
 281         if self.image_metadata and 'glance_tests' in self.image_metadata:
 282             glance_test_meta = self.image_metadata['glance_tests']
 283         else:
 284             glance_test_meta = None
 285
 286         self.tmp_dir = 'tmp/' + str(guid)
 287         if not os.path.exists(self.tmp_dir):
 288             os.makedirs(self.tmp_dir)
 289
 290         self.image_settings = openstack_tests.cirros_image_settings(
 291             name=self.image_name,
 292             image_metadata=glance_test_meta)
 293
 294     def tearDown(self):
 295         """
 296         Cleans the image and downloaded image file
 297         """
 298         if self.image_creator:
 299             self.image_creator.clean()
 300
 301         if os.path.exists(self.tmp_dir) and os.path.isdir(self.tmp_dir):
 302             shutil.rmtree(self.tmp_dir)
 303
 304         super(self.__class__, self).__clean__()
 305
 306     def test_create_image_clean_url(self):
 307         """
 308         Tests the creation of an OpenStack image from a URL.
 309         """
 310         # Create Image
 311         # Set the default image settings, then set any custom parameters sent
 312         # from the app
 313
 314         self.image_creator = create_image.OpenStackImage(self.os_creds,
 315                                                          self.image_settings)
 316         created_image = self.image_creator.create()
 317         self.assertIsNotNone(created_image)
 318
 319         retrieved_image = glance_utils.get_image(
 320             self.glance, image_settings=self.image_settings)
 321         self.assertIsNotNone(retrieved_image)
 322         self.assertEqual(created_image.size, retrieved_image.size)
 323         self.assertEqual(get_image_size(self.image_settings),
 324                          retrieved_image.size)
 325         self.assertEqual(created_image.name, retrieved_image.name)
 326         self.assertEqual(created_image.id, retrieved_image.id)
 327
 328     def test_create_image_clean_url_properties(self):
 329         """
 330         Tests the creation of an OpenStack image from a URL and set properties.
 331         """
 332         # Create Image
 333         # Set the default image settings, then set any custom parameters sent
 334         # from the app
 335         self.image_creator = create_image.OpenStackImage(self.os_creds,
 336                                                          self.image_settings)
 337         created_image = self.image_creator.create()
 338         self.assertIsNotNone(created_image)
 339
 340         retrieved_image = glance_utils.get_image(
 341             self.glance, image_settings=self.image_settings)
 342         self.assertIsNotNone(retrieved_image)
 343         self.assertEqual(self.image_creator.get_image().size,
 344                          retrieved_image.size)
 345         self.assertEqual(get_image_size(self.image_settings),
 346                          retrieved_image.size)
 347         self.assertEqual(created_image.name, retrieved_image.name)
 348         self.assertEqual(created_image.id, retrieved_image.id)
 349         self.assertEqual(created_image.properties, retrieved_image.properties)
 350
 351     def test_create_image_clean_file(self):
 352         """
 353         Tests the creation of an OpenStack image from a file.
 354         """
 355         if not self.image_settings.image_file and self.image_settings.url:
 356             # Download the file of the image
 357             image_file_name = file_utils.download(self.image_settings.url,
 358                                                   self.tmp_dir).name
 359         else:
 360             image_file_name = self.image_settings.image_file
 361
 362         if image_file_name:
 363             file_image_settings = openstack_tests.file_image_test_settings(
 364                 name=self.image_name, file_path=image_file_name)
 365
 366             self.image_creator = create_image.OpenStackImage(
 367                 self.os_creds, file_image_settings)
 368             created_image = self.image_creator.create()
 369             self.assertIsNotNone(created_image)
 370             self.assertEqual(self.image_name, created_image.name)
 371
 372             retrieved_image = glance_utils.get_image(
 373                 self.glance, image_settings=file_image_settings)
 374             self.assertIsNotNone(retrieved_image)
 375             self.assertEqual(self.image_creator.get_image().size,
 376                              retrieved_image.size)
 377             self.assertEqual(get_image_size(file_image_settings),
 378                              retrieved_image.size)
 379
 380             self.assertEqual(created_image.name, retrieved_image.name)
 381             self.assertEqual(created_image.id, retrieved_image.id)
 382         else:
 383             logger.warn(
 384                 'Test not executed as the image metadata requires image files')
 385
 386     def test_create_delete_image(self):
 387         """
 388         Tests the creation then deletion of an OpenStack image to ensure
 389         clean() does not raise an Exception.
 390         """
 391         # Create Image
 392         self.image_creator = create_image.OpenStackImage(self.os_creds,
 393                                                          self.image_settings)
 394         created_image = self.image_creator.create()
 395         self.assertIsNotNone(created_image)
 396
 397         retrieved_image = glance_utils.get_image(
 398             self.glance, image_settings=self.image_settings)
 399         self.assertIsNotNone(retrieved_image)
 400         self.assertEqual(self.image_creator.get_image().size,
 401                          retrieved_image.size)
 402         self.assertEqual(get_image_size(self.image_settings),
 403                          retrieved_image.size)
 404
 405         # Delete Image manually
 406         glance_utils.delete_image(self.glance, created_image)
 407
 408         self.assertIsNone(glance_utils.get_image(
 409             self.glance, image_settings=self.image_creator.image_settings))
 410
 411         # Must not throw an exception when attempting to cleanup non-existent
 412         # image
 413         self.image_creator.clean()
 414         self.assertIsNone(self.image_creator.get_image())
 415
 416     def test_create_same_image(self):
 417         """
 418         Tests the creation of an OpenStack image when the image already exists.
 419         """
 420         # Create Image
 421         self.image_creator = create_image.OpenStackImage(self.os_creds,
 422                                                          self.image_settings)
 423         image1 = self.image_creator.create()
 424
 425         retrieved_image = glance_utils.get_image(
 426             self.glance, image_settings=self.image_settings)
 427         self.assertIsNotNone(retrieved_image)
 428         self.assertEqual(self.image_creator.get_image().size,
 429                          retrieved_image.size)
 430         self.assertEqual(get_image_size(self.image_settings),
 431                          retrieved_image.size)
 432         self.assertEqual(image1.name, retrieved_image.name)
 433         self.assertEqual(image1.id, retrieved_image.id)
 434         self.assertEqual(image1.properties, retrieved_image.properties)
 435
 436         # Should be retrieving the instance data
 437         os_image_2 = create_image.OpenStackImage(self.os_creds,
 438                                                  self.image_settings)
 439         image2 = os_image_2.create()
 440         self.assertEqual(image1.id, image2.id)
 441
 442     def test_create_same_image_new_settings(self):
 443         """
 444         Tests the creation of an OpenStack image when the image already exists
 445         and the configuration only contains the name.
 446         """
 447         # Create Image
 448         self.image_creator = create_image.OpenStackImage(self.os_creds,
 449                                                          self.image_settings)
 450         image1 = self.image_creator.create()
 451
 452         retrieved_image = glance_utils.get_image(
 453             self.glance, image_settings=self.image_settings)
 454         self.assertIsNotNone(retrieved_image)
 455         self.assertEqual(self.image_creator.get_image().size,
 456                          retrieved_image.size)
 457         self.assertEqual(get_image_size(self.image_settings),
 458                          retrieved_image.size)
 459         self.assertEqual(image1.name, retrieved_image.name)
 460         self.assertEqual(image1.id, retrieved_image.id)
 461         self.assertEqual(image1.properties, retrieved_image.properties)
 462
 463         # Should be retrieving the instance data
 464         image_2_settings = ImageSettings(name=self.image_settings.name,
 465                                          image_user='foo', exists=True)
 466         os_image_2 = create_image.OpenStackImage(self.os_creds,
 467                                                  image_2_settings)
 468         image2 = os_image_2.create()
 469         self.assertEqual(image1.id, image2.id)
 470
 471
 472 class CreateImageNegativeTests(OSIntegrationTestCase):
 473     """
 474     Negative test cases for the CreateImage class
 475     """
 476
 477     def setUp(self):
 478         super(self.__class__, self).__start__()
 479
 480         self.image_name = self.__class__.__name__ + '-' + str(uuid.uuid4())
 481         self.image_creator = None
 482
 483     def tearDown(self):
 484         if self.image_creator:
 485             self.image_creator.clean()
 486
 487         super(self.__class__, self).__clean__()
 488
 489     def test_bad_image_name(self):
 490         """
 491         Expect an ImageCreationError when the image name does not exist when a
 492         file or URL has not been configured
 493         """
 494         os_image_settings = ImageSettings(name='foo', image_user='bar',
 495                                           exists=True)
 496         self.image_creator = create_image.OpenStackImage(self.os_creds,
 497                                                          os_image_settings)
 498
 499         with self.assertRaises(ImageCreationError):
 500             self.image_creator.create()
 501
 502             self.fail('ImageCreationError should have been raised prior to'
 503                       'this line')
 504
 505     def test_bad_image_url(self):
 506         """
 507         Expect an ImageCreationError when the image download url is bad
 508         """
 509         os_image_settings = openstack_tests.cirros_image_settings(
 510             name=self.image_name)
 511         self.image_creator = create_image.OpenStackImage(
 512             self.os_creds,
 513             create_image.ImageSettings(name=os_image_settings.name,
 514                                        image_user=os_image_settings.image_user,
 515                                        img_format=os_image_settings.format,
 516                                        url="http://foo.bar"))
 517
 518         try:
 519             self.image_creator.create()
 520         except HTTPBadRequest:
 521             pass
 522         except URLError:
 523             pass
 524         except Exception as e:
 525             self.fail('Invalid Exception ' + str(e))
 526
 527     def test_bad_image_image_type(self):
 528         """
 529         Expect an ImageCreationError when the image type bad
 530         """
 531         os_image_settings = openstack_tests.cirros_image_settings(
 532             name=self.image_name)
 533         self.image_creator = create_image.OpenStackImage(
 534             self.os_creds,
 535             create_image.ImageSettings(name=os_image_settings.name,
 536                                        image_user=os_image_settings.image_user,
 537                                        img_format='foo',
 538                                        url=os_image_settings.url))
 539
 540         with self.assertRaises(Exception):
 541             self.image_creator.create()
 542
 543     def test_bad_image_file(self):
 544         """
 545         Expect an ImageCreationError when the image file does not exist
 546         """
 547         os_image_settings = openstack_tests.cirros_image_settings(
 548             name=self.image_name)
 549         self.image_creator = create_image.OpenStackImage(
 550             self.os_creds,
 551             create_image.ImageSettings(name=os_image_settings.name,
 552                                        image_user=os_image_settings.image_user,
 553                                        img_format=os_image_settings.format,
 554                                        image_file="/foo/bar.qcow"))
 555         with self.assertRaises(IOError):
 556             self.image_creator.create()
 557
 558
 559 class CreateMultiPartImageTests(OSIntegrationTestCase):
 560     """
 561     Test different means for creating a 3-part images
 562     """
 563
 564     def setUp(self):
 565         """
 566         Instantiates the CreateImage object that is responsible for
 567         downloading and creating an OS image file within OpenStack
 568         """
 569         super(self.__class__, self).__start__()
 570
 571         guid = uuid.uuid4()
 572         self.image_creators = list()
 573         self.image_name = self.__class__.__name__ + '-' + str(guid)
 574         self.glance = glance_utils.glance_client(self.os_creds)
 575
 576         self.tmp_dir = 'tmp/' + str(guid)
 577         if not os.path.exists(self.tmp_dir):
 578             os.makedirs(self.tmp_dir)
 579
 580         if self.image_metadata and 'glance_tests' in self.image_metadata:
 581             self.glance_test_meta = self.image_metadata['glance_tests']
 582         else:
 583             self.glance_test_meta = dict()
 584
 585     def tearDown(self):
 586         """
 587         Cleans the images and downloaded image file
 588         """
 589         for image_creator in self.image_creators:
 590             image_creator.clean()
 591
 592         if os.path.exists(self.tmp_dir) and os.path.isdir(self.tmp_dir):
 593             shutil.rmtree(self.tmp_dir)
 594
 595         super(self.__class__, self).__clean__()
 596
 597     def test_create_three_part_image_from_url(self):
 598         """
 599         Tests the creation of a 3-part OpenStack image from a URL.
 600         """
 601         # Create the kernel image
 602         if 'disk_file' not in self.glance_test_meta:
 603             image_settings = openstack_tests.cirros_image_settings(
 604                 name=self.image_name,
 605                 image_metadata={
 606                     'disk_url':
 607                         openstack_tests.CIRROS_DEFAULT_IMAGE_URL,
 608                     'kernel_url':
 609                         openstack_tests.CIRROS_DEFAULT_KERNEL_IMAGE_URL,
 610                     'ramdisk_url':
 611                         openstack_tests.CIRROS_DEFAULT_RAMDISK_IMAGE_URL})
 612
 613             image_creator = create_image.OpenStackImage(self.os_creds,
 614                                                         image_settings)
 615             self.image_creators.append(image_creator)
 616             image_creator.create()
 617
 618             main_image = glance_utils.get_image(self.glance,
 619                                                 image_settings=image_settings)
 620             self.assertIsNotNone(main_image)
 621             self.assertIsNotNone(image_creator.get_image())
 622             self.assertEqual(image_creator.get_image().id, main_image.id)
 623
 624             kernel_image = glance_utils.get_image(
 625                 self.glance,
 626                 image_settings=image_settings.kernel_image_settings)
 627             self.assertIsNotNone(kernel_image)
 628             self.assertIsNotNone(image_creator.get_kernel_image())
 629             self.assertEqual(kernel_image.id,
 630                              image_creator.get_kernel_image().id)
 631
 632             ramdisk_image = glance_utils.get_image(
 633                 self.glance,
 634                 image_settings=image_settings.ramdisk_image_settings)
 635             self.assertIsNotNone(ramdisk_image)
 636             self.assertIsNotNone(image_creator.get_ramdisk_image())
 637             self.assertEqual(ramdisk_image.id,
 638                              image_creator.get_ramdisk_image().id)
 639         else:
 640             logger.warn(
 641                 'Test not executed as the image metadata requires image files')
 642
 643     def test_create_three_part_image_from_file_3_creators(self):
 644         """
 645         Tests the creation of a 3-part OpenStack image from files.
 646         """
 647         file_only = False
 648
 649         # Set properties
 650         properties = {}
 651         if self.glance_test_meta:
 652             if 'extra_properties' in self.glance_test_meta:
 653                 properties = self.glance_test_meta['extra_properties']
 654             if 'disk_file' in self.glance_test_meta:
 655                 file_only = True
 656
 657         # Create the kernel image
 658         kernel_file_name = None
 659         kernel_url = openstack_tests.CIRROS_DEFAULT_KERNEL_IMAGE_URL
 660         if 'kernel_file' in self.glance_test_meta:
 661             kernel_file_name = self.glance_test_meta['kernel_file']
 662         elif 'kernel_url' in self.glance_test_meta:
 663             kernel_url = self.glance_test_meta['kernel_url']
 664         else:
 665             kernel_url = openstack_tests.CIRROS_DEFAULT_KERNEL_IMAGE_URL
 666
 667         if not kernel_file_name and not file_only:
 668             kernel_file_name = file_utils.download(kernel_url,
 669                                                    self.tmp_dir).name
 670         else:
 671             logger.warn('Will not download the kernel image.'
 672                         ' Cannot execute test')
 673             return
 674
 675         kernel_file_image_settings = openstack_tests.file_image_test_settings(
 676             name=self.image_name + '_kernel', file_path=kernel_file_name)
 677
 678         self.image_creators.append(create_image.OpenStackImage(
 679             self.os_creds, kernel_file_image_settings))
 680         kernel_image = self.image_creators[-1].create()
 681         self.assertIsNotNone(kernel_image)
 682         self.assertEqual(get_image_size(kernel_file_image_settings),
 683                          kernel_image.size)
 684
 685         # Create the ramdisk image
 686         ramdisk_file_name = None
 687         ramdisk_url = openstack_tests.CIRROS_DEFAULT_RAMDISK_IMAGE_URL
 688         if 'ramdisk_file' in self.glance_test_meta:
 689             ramdisk_file_name = self.glance_test_meta['ramdisk_file']
 690         elif 'ramdisk_url' in self.glance_test_meta:
 691             ramdisk_url = self.glance_test_meta['ramdisk_url']
 692
 693         if not ramdisk_file_name and not file_only:
 694             ramdisk_file_name = file_utils.download(ramdisk_url,
 695                                                     self.tmp_dir).name
 696         else:
 697             logger.warn('Will not download the ramdisk image.'
 698                         ' Cannot execute test')
 699             return
 700
 701         ramdisk_file_image_settings = openstack_tests.file_image_test_settings(
 702             name=self.image_name + '_ramdisk', file_path=ramdisk_file_name)
 703         self.image_creators.append(create_image.OpenStackImage(
 704             self.os_creds, ramdisk_file_image_settings))
 705         ramdisk_image = self.image_creators[-1].create()
 706         self.assertIsNotNone(ramdisk_image)
 707         self.assertEqual(get_image_size(ramdisk_file_image_settings),
 708                          ramdisk_image.size)
 709
 710         # Create the main disk image
 711         disk_file_name = None
 712         disk_url = openstack_tests.CIRROS_DEFAULT_IMAGE_URL
 713         if 'disk_file' in self.glance_test_meta:
 714             disk_file_name = self.glance_test_meta['disk_file']
 715         elif 'disk_url' in self.glance_test_meta:
 716             disk_url = self.glance_test_meta['disk_url']
 717
 718         if not disk_file_name and not file_only:
 719             disk_file_name = file_utils.download(disk_url, self.tmp_dir).name
 720         else:
 721             logger.warn('Will not download the disk file image.'
 722                         ' Cannot execute test')
 723             return
 724
 725         file_image_settings = openstack_tests.file_image_test_settings(
 726             name=self.image_name, file_path=disk_file_name)
 727         properties['kernel_id'] = kernel_image.id
 728         properties['ramdisk_id'] = ramdisk_image.id
 729         file_image_settings.extra_properties = properties
 730         self.image_creators.append(
 731             create_image.OpenStackImage(self.os_creds, file_image_settings))
 732         created_image = self.image_creators[-1].create()
 733
 734         self.assertIsNotNone(created_image)
 735         self.assertEqual(self.image_name, created_image.name)
 736
 737         retrieved_image = glance_utils.get_image(
 738             self.glance, image_settings=file_image_settings)
 739         self.assertIsNotNone(retrieved_image)
 740         self.assertEqual(self.image_creators[-1].get_image().size,
 741                          retrieved_image.size)
 742         self.assertEqual(get_image_size(file_image_settings),
 743                          retrieved_image.size)
 744         self.assertEqual(created_image.name, retrieved_image.name)
 745         self.assertEqual(created_image.id, retrieved_image.id)
 746         self.assertEqual(created_image.properties, retrieved_image.properties)
 747
 748     def test_create_three_part_image_from_url_3_creators(self):
 749         """
 750         Tests the creation of a 3-part OpenStack image from a URL.
 751         """
 752         if 'disk_file' not in self.glance_test_meta:
 753             # Set properties
 754             properties = {}
 755             if self.glance_test_meta and \
 756                     'extra_properties' in self.glance_test_meta:
 757                 properties = self.glance_test_meta['extra_properties']
 758
 759             # Create the kernel image
 760             kernel_image_settings = openstack_tests.cirros_image_settings(
 761                 name=self.image_name + '_kernel',
 762                 url=openstack_tests.CIRROS_DEFAULT_KERNEL_IMAGE_URL)
 763
 764             if self.glance_test_meta:
 765                 if 'kernel_url' in self.glance_test_meta:
 766                     kernel_image_settings.url = self.glance_test_meta[
 767                         'kernel_url']
 768             self.image_creators.append(
 769                 create_image.OpenStackImage(self.os_creds,
 770                                             kernel_image_settings))
 771             kernel_image = self.image_creators[-1].create()
 772             self.assertIsNotNone(kernel_image)
 773             self.assertEqual(get_image_size(kernel_image_settings),
 774                              kernel_image.size)
 775
 776             # Create the ramdisk image
 777             ramdisk_image_settings = openstack_tests.cirros_image_settings(
 778                 name=self.image_name + '_ramdisk',
 779                 url=openstack_tests.CIRROS_DEFAULT_RAMDISK_IMAGE_URL)
 780             if self.glance_test_meta:
 781                 if 'ramdisk_url' in self.glance_test_meta:
 782                     ramdisk_image_settings.url = self.glance_test_meta[
 783                         'ramdisk_url']
 784             self.image_creators.append(
 785                 create_image.OpenStackImage(self.os_creds,
 786                                             ramdisk_image_settings))
 787             ramdisk_image = self.image_creators[-1].create()
 788             self.assertIsNotNone(ramdisk_image)
 789             self.assertEqual(get_image_size(ramdisk_image_settings),
 790                              ramdisk_image.size)
 791
 792             # Create the main image
 793             os_image_settings = openstack_tests.cirros_image_settings(
 794                 name=self.image_name,
 795                 url=openstack_tests.CIRROS_DEFAULT_IMAGE_URL)
 796             if self.glance_test_meta:
 797                 if 'disk_url' in self.glance_test_meta:
 798                     os_image_settings.url = self.glance_test_meta['disk_url']
 799
 800             properties['kernel_id'] = kernel_image.id
 801             properties['ramdisk_id'] = ramdisk_image.id
 802             os_image_settings.extra_properties = properties
 803
 804             self.image_creators.append(
 805                 create_image.OpenStackImage(self.os_creds, os_image_settings))
 806             created_image = self.image_creators[-1].create()
 807             self.assertIsNotNone(created_image)
 808             self.assertEqual(self.image_name, created_image.name)
 809
 810             retrieved_image = glance_utils.get_image(
 811                 self.glance, image_settings=os_image_settings)
 812             self.assertIsNotNone(retrieved_image)
 813
 814             self.assertEqual(self.image_creators[-1].get_image().size,
 815                              retrieved_image.size)
 816             self.assertEqual(get_image_size(os_image_settings),
 817                              retrieved_image.size)
 818
 819             self.assertEqual(created_image.name, retrieved_image.name)
 820             self.assertEqual(created_image.id, retrieved_image.id)
 821             self.assertEqual(created_image.properties,
 822                              retrieved_image.properties)
 823         else:
 824             logger.warn(
 825                 'Test not executed as the image metadata requires image files')
 826
 827
 828 def get_image_size(image_settings):
 829     """
 830     Returns the expected image size
 831     :return:
 832     """
 833     if image_settings.image_file:
 834         return os.path.getsize(image_settings.image_file)
 835     elif image_settings.url:
 836         return int(file_utils.get_content_length(image_settings.url))
 837     else:
 838         raise Exception(
 839             'Cannot retrieve expected image size. Image filename or URL has '
 840             'not been configured')