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