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