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