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 os
  23 import shutil
  24 import uuid
  25 import unittest
  26
  27 from snaps import file_utils
  28 from snaps.openstack.create_image import ImageSettings, ImageCreationError, ImageSettingsError
  29
  30 from snaps.openstack.tests import openstack_tests
  31 from snaps.openstack.utils import glance_utils
  32 from snaps.openstack import create_image
  33 from snaps.openstack.tests.os_source_file_test import OSIntegrationTestCase
  34
  35 __author__ = 'spisarski'
  36
  37 logger = logging.getLogger('create_image_tests')
  38
  39
  40 class ImageSettingsUnitTests(unittest.TestCase):
  41     """
  42     Tests the construction of the ImageSettings class
  43     """
  44     def test_no_params(self):
  45         with self.assertRaises(ImageSettingsError):
  46             ImageSettings()
  47
  48     def test_empty_config(self):
  49         with self.assertRaises(ImageSettingsError):
  50             ImageSettings(config=dict())
  51
  52     def test_name_only(self):
  53         with self.assertRaises(ImageSettingsError):
  54             ImageSettings(name='foo')
  55
  56     def test_config_with_name_only(self):
  57         with self.assertRaises(ImageSettingsError):
  58             ImageSettings(config={'name': 'foo'})
  59
  60     def test_name_user_only(self):
  61         with self.assertRaises(ImageSettingsError):
  62             ImageSettings(name='foo', image_user='bar')
  63
  64     def test_config_with_name_user_only(self):
  65         with self.assertRaises(ImageSettingsError):
  66             ImageSettings(config={'name': 'foo', 'image_user': 'bar'})
  67
  68     def test_name_user_format_only(self):
  69         with self.assertRaises(ImageSettingsError):
  70             ImageSettings(name='foo', image_user='bar', img_format='qcow2')
  71
  72     def test_config_with_name_user_format_only(self):
  73         with self.assertRaises(ImageSettingsError):
  74             ImageSettings(config={'name': 'foo', 'image_user': 'bar', 'format': 'qcow2'})
  75
  76     def test_name_user_format_url_file_only(self):
  77         with self.assertRaises(ImageSettingsError):
  78             ImageSettings(name='foo', image_user='bar', img_format='qcow2', url='http://foo.com',
  79                           image_file='/foo/bar.qcow')
  80
  81     def test_config_with_name_user_format_url_file_only(self):
  82         with self.assertRaises(ImageSettingsError):
  83             ImageSettings(config={'name': 'foo', 'image_user': 'bar', 'format': 'qcow2',
  84                                   'download_url': 'http://foo.com', 'image_file': '/foo/bar.qcow'})
  85
  86     def test_name_user_format_url_only(self):
  87         settings = ImageSettings(name='foo', image_user='bar', img_format='qcow2', url='http://foo.com')
  88         self.assertEqual('foo', settings.name)
  89         self.assertEqual('bar', settings.image_user)
  90         self.assertEqual('qcow2', settings.format)
  91         self.assertEqual('http://foo.com', settings.url)
  92         self.assertIsNone(settings.image_file)
  93         self.assertFalse(settings.exists)
  94         self.assertFalse(settings.public)
  95         self.assertIsNone(settings.nic_config_pb_loc)
  96
  97     def test_name_user_format_url_only_properties(self):
  98         properties = {'hw_video_model': 'vga'}
  99         settings = ImageSettings(name='foo', image_user='bar', img_format='qcow2', url='http://foo.com',
 100                                  extra_properties=properties)
 101         self.assertEqual('foo', settings.name)
 102         self.assertEqual('bar', settings.image_user)
 103         self.assertEqual('qcow2', settings.format)
 104         self.assertEqual('http://foo.com', settings.url)
 105         self.assertEqual(properties, settings.extra_properties)
 106         self.assertIsNone(settings.image_file)
 107         self.assertFalse(settings.exists)
 108         self.assertFalse(settings.public)
 109         self.assertIsNone(settings.nic_config_pb_loc)
 110
 111     def test_config_with_name_user_format_url_only(self):
 112         settings = ImageSettings(config={'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', img_format='qcow2', image_file='/foo/bar.qcow')
 125         self.assertEqual('foo', settings.name)
 126         self.assertEqual('bar', settings.image_user)
 127         self.assertEqual('qcow2', settings.format)
 128         self.assertIsNone(settings.url)
 129         self.assertEqual('/foo/bar.qcow', settings.image_file)
 130         self.assertFalse(settings.exists)
 131         self.assertFalse(settings.public)
 132         self.assertIsNone(settings.nic_config_pb_loc)
 133
 134     def test_config_with_name_user_format_file_only(self):
 135         settings = ImageSettings(config={'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', image_user='bar', img_format='qcow2')
 149         ramdisk_settings = ImageSettings(name='ramdisk', url='http://ramdisk.com', image_user='bar', img_format='qcow2')
 150         settings = ImageSettings(name='foo', image_user='bar', img_format='qcow2', url='http://foo.com',
 151                                  extra_properties=properties, nic_config_pb_loc='/foo/bar',
 152                                  kernel_image_settings=kernel_settings, ramdisk_image_settings=ramdisk_settings,
 153                                  exists=True, public=True)
 154         self.assertEqual('foo', settings.name)
 155         self.assertEqual('bar', settings.image_user)
 156         self.assertEqual('qcow2', settings.format)
 157         self.assertEqual('http://foo.com', settings.url)
 158         self.assertEqual(properties, settings.extra_properties)
 159         self.assertIsNone(settings.image_file)
 160         self.assertEqual('/foo/bar', settings.nic_config_pb_loc)
 161         self.assertEqual('kernel', settings.kernel_image_settings.name)
 162         self.assertEqual('http://kernel.com', settings.kernel_image_settings.url)
 163         self.assertEqual('bar', settings.kernel_image_settings.image_user)
 164         self.assertEqual('qcow2', settings.kernel_image_settings.format)
 165         self.assertEqual('ramdisk', settings.ramdisk_image_settings.name)
 166         self.assertEqual('http://ramdisk.com', settings.ramdisk_image_settings.url)
 167         self.assertEqual('bar', settings.ramdisk_image_settings.image_user)
 168         self.assertEqual('qcow2', settings.ramdisk_image_settings.format)
 169         self.assertTrue(settings.exists)
 170         self.assertTrue(settings.public)
 171
 172     def test_config_all_url(self):
 173         settings = ImageSettings(
 174             config={'name': 'foo', 'image_user': 'bar', 'format': 'qcow2',
 175                     'download_url': 'http://foo.com',
 176                     'extra_properties': '{\'hw_video_model\': \'vga\'}',
 177                     'nic_config_pb_loc': '/foo/bar',
 178                     'kernel_image_settings': {'name': 'kernel', 'download_url': 'http://kernel.com',
 179                                               'image_user': 'bar', 'format': 'qcow2'},
 180                     'ramdisk_image_settings': {'name': 'ramdisk', 'download_url': 'http://ramdisk.com',
 181                                                'image_user': 'bar', 'format': 'qcow2'},
 182                     'exists': True, 'public': True})
 183         self.assertEqual('foo', settings.name)
 184         self.assertEqual('bar', settings.image_user)
 185         self.assertEqual('qcow2', settings.format)
 186         self.assertEqual('http://foo.com', settings.url)
 187         self.assertEqual('{\'hw_video_model\': \'vga\'}', settings.extra_properties)
 188         self.assertIsNone(settings.image_file)
 189         self.assertEqual('/foo/bar', settings.nic_config_pb_loc)
 190         self.assertEqual('kernel', settings.kernel_image_settings.name)
 191         self.assertEqual('http://kernel.com', settings.kernel_image_settings.url)
 192         self.assertEqual('ramdisk', settings.ramdisk_image_settings.name)
 193         self.assertEqual('http://ramdisk.com', settings.ramdisk_image_settings.url)
 194         self.assertTrue(settings.exists)
 195         self.assertTrue(settings.public)
 196
 197     def test_all_file(self):
 198         properties = {'hw_video_model': 'vga'}
 199         settings = ImageSettings(name='foo', image_user='bar', img_format='qcow2', image_file='/foo/bar.qcow',
 200                                  extra_properties=properties, nic_config_pb_loc='/foo/bar', exists=True, public=True)
 201         self.assertEqual('foo', settings.name)
 202         self.assertEqual('bar', settings.image_user)
 203         self.assertEqual('qcow2', settings.format)
 204         self.assertIsNone(settings.url)
 205         self.assertEqual('/foo/bar.qcow', settings.image_file)
 206         self.assertEqual(properties, settings.extra_properties)
 207         self.assertEqual('/foo/bar', settings.nic_config_pb_loc)
 208         self.assertTrue(settings.exists)
 209         self.assertTrue(settings.public)
 210
 211     def test_config_all_file(self):
 212         settings = ImageSettings(config={'name': 'foo', 'image_user': 'bar', 'format': 'qcow2',
 213                                          'image_file': '/foo/bar.qcow',
 214                                          'extra_properties': '{\'hw_video_model\' : \'vga\'}',
 215                                          'nic_config_pb_loc': '/foo/bar', 'exists': True, 'public': True})
 216         self.assertEqual('foo', settings.name)
 217         self.assertEqual('bar', settings.image_user)
 218         self.assertEqual('qcow2', settings.format)
 219         self.assertIsNone(settings.url)
 220         self.assertEqual('/foo/bar.qcow', settings.image_file)
 221         self.assertEqual('{\'hw_video_model\' : \'vga\'}', settings.extra_properties)
 222         self.assertEqual('/foo/bar', settings.nic_config_pb_loc)
 223         self.assertTrue(settings.exists)
 224         self.assertTrue(settings.public)
 225
 226
 227 class CreateImageSuccessTests(OSIntegrationTestCase):
 228     """
 229     Test for the CreateImage class defined in create_image.py
 230     """
 231
 232     def setUp(self):
 233         """
 234         Instantiates the CreateImage object that is responsible for downloading and creating an OS image file
 235         within OpenStack
 236         """
 237         super(self.__class__, self).__start__()
 238
 239         guid = uuid.uuid4()
 240         self.image_name = self.__class__.__name__ + '-' + str(guid)
 241         self.glance = glance_utils.glance_client(self.os_creds)
 242         self.image_creator = None
 243
 244         if self.image_metadata and 'glance_tests' in self.image_metadata:
 245             glance_test_meta = self.image_metadata['glance_tests']
 246         else:
 247             glance_test_meta = None
 248
 249         self.tmp_dir = 'tmp/' + str(guid)
 250         if not os.path.exists(self.tmp_dir):
 251             os.makedirs(self.tmp_dir)
 252
 253         self.image_settings = openstack_tests.cirros_image_settings(name=self.image_name,
 254                                                                     image_metadata=glance_test_meta)
 255
 256     def tearDown(self):
 257         """
 258         Cleans the image and downloaded image file
 259         """
 260         if self.image_creator:
 261             self.image_creator.clean()
 262
 263         if os.path.exists(self.tmp_dir) and os.path.isdir(self.tmp_dir):
 264             shutil.rmtree(self.tmp_dir)
 265
 266         super(self.__class__, self).__clean__()
 267
 268     def test_create_image_clean_url(self):
 269         """
 270         Tests the creation of an OpenStack image from a URL.
 271         """
 272         # Create Image
 273         # Set the default image settings, then set any custom parameters sent from the app
 274
 275         self.image_creator = create_image.OpenStackImage(self.os_creds, self.image_settings)
 276         created_image = self.image_creator.create()
 277         self.assertIsNotNone(created_image)
 278
 279         retrieved_image = glance_utils.get_image(self.glance, self.image_settings.name)
 280         self.assertIsNotNone(retrieved_image)
 281         self.assertEqual(created_image.size, retrieved_image.size)
 282         self.assertEqual(get_image_size(self.image_settings), retrieved_image.size)
 283         self.assertEqual(created_image.name, retrieved_image.name)
 284         self.assertEqual(created_image.id, retrieved_image.id)
 285
 286     def test_create_image_clean_url_properties(self):
 287         """
 288         Tests the creation of an OpenStack image from a URL and set properties.
 289         """
 290         # Create Image
 291         # Set the default image settings, then set any custom parameters sent from the app
 292         self.image_creator = create_image.OpenStackImage(self.os_creds, self.image_settings)
 293         created_image = self.image_creator.create()
 294         self.assertIsNotNone(created_image)
 295
 296         retrieved_image = glance_utils.get_image(self.glance, self.image_settings.name)
 297         self.assertIsNotNone(retrieved_image)
 298         self.assertEqual(self.image_creator.get_image().size, retrieved_image.size)
 299         self.assertEqual(get_image_size(self.image_settings), retrieved_image.size)
 300         self.assertEqual(created_image.name, retrieved_image.name)
 301         self.assertEqual(created_image.id, retrieved_image.id)
 302         self.assertEqual(created_image.properties, retrieved_image.properties)
 303
 304     def test_create_image_clean_file(self):
 305         """
 306         Tests the creation of an OpenStack image from a file.
 307         """
 308         if not self.image_settings.image_file and self.image_settings.url:
 309             # Download the file of the image
 310             image_file_name = file_utils.download(self.image_settings.url, self.tmp_dir).name
 311         else:
 312             image_file_name = self.image_settings.image_file
 313
 314         if image_file_name:
 315             file_image_settings = openstack_tests.file_image_test_settings(
 316                 name=self.image_name, file_path=image_file_name)
 317
 318             self.image_creator = create_image.OpenStackImage(self.os_creds, file_image_settings)
 319             created_image = self.image_creator.create()
 320             self.assertIsNotNone(created_image)
 321             self.assertEqual(self.image_name, created_image.name)
 322
 323             retrieved_image = glance_utils.get_image(self.glance, file_image_settings.name)
 324             self.assertIsNotNone(retrieved_image)
 325             self.assertEqual(self.image_creator.get_image().size, retrieved_image.size)
 326             self.assertEqual(get_image_size(file_image_settings), retrieved_image.size)
 327
 328             self.assertEqual(created_image.name, retrieved_image.name)
 329             self.assertEqual(created_image.id, retrieved_image.id)
 330         else:
 331             logger.warn('Test not executed as the image metadata requires image files')
 332
 333     def test_create_delete_image(self):
 334         """
 335         Tests the creation then deletion of an OpenStack image to ensure clean() does not raise an Exception.
 336         """
 337         # Create Image
 338         self.image_creator = create_image.OpenStackImage(self.os_creds, self.image_settings)
 339         created_image = self.image_creator.create()
 340         self.assertIsNotNone(created_image)
 341
 342         retrieved_image = glance_utils.get_image(self.glance, self.image_settings.name)
 343         self.assertIsNotNone(retrieved_image)
 344         self.assertEqual(self.image_creator.get_image().size, retrieved_image.size)
 345         self.assertEqual(get_image_size(self.image_settings), retrieved_image.size)
 346
 347         # Delete Image manually
 348         glance_utils.delete_image(self.glance, created_image)
 349
 350         self.assertIsNone(glance_utils.get_image(self.glance, self.image_creator.image_settings.name))
 351
 352         # Must not throw an exception when attempting to cleanup non-existent image
 353         self.image_creator.clean()
 354         self.assertIsNone(self.image_creator.get_image())
 355
 356     def test_create_same_image(self):
 357         """
 358         Tests the creation of an OpenStack image when the image already exists.
 359         """
 360         # Create Image
 361         self.image_creator = create_image.OpenStackImage(self.os_creds, self.image_settings)
 362         image1 = self.image_creator.create()
 363
 364         retrieved_image = glance_utils.get_image(self.glance, self.image_settings.name)
 365         self.assertIsNotNone(retrieved_image)
 366         self.assertEqual(self.image_creator.get_image().size, retrieved_image.size)
 367         self.assertEqual(get_image_size(self.image_settings), retrieved_image.size)
 368         self.assertEqual(image1.name, retrieved_image.name)
 369         self.assertEqual(image1.id, retrieved_image.id)
 370         self.assertEqual(image1.properties, retrieved_image.properties)
 371
 372         # Should be retrieving the instance data
 373         os_image_2 = create_image.OpenStackImage(self.os_creds, self.image_settings)
 374         image2 = os_image_2.create()
 375         self.assertEqual(image1.id, image2.id)
 376
 377     def test_create_same_image_new_settings(self):
 378         """
 379         Tests the creation of an OpenStack image when the image already exists and the configuration only contains
 380         the name.
 381         """
 382         # Create Image
 383         self.image_creator = create_image.OpenStackImage(self.os_creds, self.image_settings)
 384         image1 = self.image_creator.create()
 385
 386         retrieved_image = glance_utils.get_image(self.glance, self.image_settings.name)
 387         self.assertIsNotNone(retrieved_image)
 388         self.assertEqual(self.image_creator.get_image().size, retrieved_image.size)
 389         self.assertEqual(get_image_size(self.image_settings), retrieved_image.size)
 390         self.assertEqual(image1.name, retrieved_image.name)
 391         self.assertEqual(image1.id, retrieved_image.id)
 392         self.assertEqual(image1.properties, retrieved_image.properties)
 393
 394         # Should be retrieving the instance data
 395         image_2_settings = ImageSettings(name=self.image_settings.name, image_user='foo', exists=True)
 396         os_image_2 = create_image.OpenStackImage(self.os_creds, image_2_settings)
 397         image2 = os_image_2.create()
 398         self.assertEqual(image1.id, image2.id)
 399
 400
 401 class CreateImageNegativeTests(OSIntegrationTestCase):
 402     """
 403     Negative test cases for the CreateImage class
 404     """
 405
 406     def setUp(self):
 407         super(self.__class__, self).__start__()
 408
 409         self.image_name = self.__class__.__name__ + '-' + str(uuid.uuid4())
 410         self.image_creator = None
 411
 412     def tearDown(self):
 413         if self.image_creator:
 414             self.image_creator.clean()
 415
 416         super(self.__class__, self).__clean__()
 417
 418     def test_bad_image_name(self):
 419         """
 420         Expect an ImageCreationError when the image name does not exist when a file or URL has not been configured
 421         """
 422         os_image_settings = ImageSettings(name='foo', image_user='bar', exists=True)
 423         self.image_creator = create_image.OpenStackImage(self.os_creds, os_image_settings)
 424
 425         with self.assertRaises(ImageCreationError):
 426             self.image_creator.create()
 427
 428             self.fail('ImageCreationError should have been raised prior to this line')
 429
 430     def test_bad_image_url(self):
 431         """
 432         Expect an ImageCreationError when the image download url is bad
 433         """
 434         os_image_settings = openstack_tests.cirros_image_settings(name=self.image_name)
 435         self.image_creator = create_image.OpenStackImage(self.os_creds, create_image.ImageSettings(
 436             name=os_image_settings.name, image_user=os_image_settings.image_user,
 437             img_format=os_image_settings.format, url="http://foo.bar"))
 438
 439         with self.assertRaises(URLError):
 440             self.image_creator.create()
 441
 442     def test_bad_image_file(self):
 443         """
 444         Expect an ImageCreationError when the image file does not exist
 445         """
 446         os_image_settings = openstack_tests.cirros_image_settings(name=self.image_name)
 447         self.image_creator = create_image.OpenStackImage(
 448             self.os_creds,
 449             create_image.ImageSettings(name=os_image_settings.name, image_user=os_image_settings.image_user,
 450                                        img_format=os_image_settings.format, image_file="/foo/bar.qcow"))
 451         with self.assertRaises(IOError):
 452             self.image_creator.create()
 453
 454
 455 class CreateMultiPartImageTests(OSIntegrationTestCase):
 456     """
 457     Test different means for creating a 3-part images
 458     """
 459     def setUp(self):
 460         """
 461         Instantiates the CreateImage object that is responsible for
 462         downloading and creating an OS image file within OpenStack
 463         """
 464         super(self.__class__, self).__start__()
 465
 466         guid = uuid.uuid4()
 467         self.image_creators = list()
 468         self.image_name = self.__class__.__name__ + '-' + str(guid)
 469         self.glance = glance_utils.glance_client(self.os_creds)
 470
 471         self.tmp_dir = 'tmp/' + str(guid)
 472         if not os.path.exists(self.tmp_dir):
 473             os.makedirs(self.tmp_dir)
 474
 475         if self.image_metadata and 'glance_tests' in self.image_metadata:
 476             self.glance_test_meta = self.image_metadata['glance_tests']
 477         else:
 478             self.glance_test_meta = dict()
 479
 480     def tearDown(self):
 481         """
 482         Cleans the images and downloaded image file
 483         """
 484         for image_creator in self.image_creators:
 485             image_creator.clean()
 486
 487         if os.path.exists(self.tmp_dir) and os.path.isdir(self.tmp_dir):
 488             shutil.rmtree(self.tmp_dir)
 489
 490         super(self.__class__, self).__clean__()
 491
 492     def test_create_three_part_image_from_url(self):
 493         """
 494         Tests the creation of a 3-part OpenStack image from a URL.
 495         """
 496         # Create the kernel image
 497         if 'disk_file' not in self.glance_test_meta:
 498             image_settings = openstack_tests.cirros_image_settings(
 499                 name=self.image_name,
 500                 image_metadata={'disk_url': 'http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-disk.img',
 501                                 'kernel_url': 'http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-kernel',
 502                                 'ramdisk_url': 'http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-initramfs'})
 503
 504             image_creator = create_image.OpenStackImage(self.os_creds, image_settings)
 505             self.image_creators.append(image_creator)
 506             image_creator.create()
 507
 508             main_image = glance_utils.get_image(self.glance, image_settings.name)
 509             self.assertIsNotNone(main_image)
 510             self.assertIsNotNone(image_creator.get_image())
 511             self.assertEqual(image_creator.get_image().id, main_image.id)
 512
 513             kernel_image = glance_utils.get_image(self.glance, image_settings.kernel_image_settings.name)
 514             self.assertIsNotNone(kernel_image)
 515             self.assertIsNotNone(image_creator.get_kernel_image())
 516             self.assertEqual(kernel_image.id, image_creator.get_kernel_image().id)
 517
 518             ramdisk_image = glance_utils.get_image(self.glance, image_settings.ramdisk_image_settings.name)
 519             self.assertIsNotNone(ramdisk_image)
 520             self.assertIsNotNone(image_creator.get_ramdisk_image())
 521             self.assertEqual(ramdisk_image.id, image_creator.get_ramdisk_image().id)
 522         else:
 523             logger.warn('Test not executed as the image metadata requires image files')
 524
 525     def test_create_three_part_image_from_file_3_creators(self):
 526         """
 527         Tests the creation of a 3-part OpenStack image from files.
 528         """
 529         # Set properties
 530         properties = {}
 531         if self.glance_test_meta:
 532             if 'extra_properties' in self.glance_test_meta:
 533                 properties = self.glance_test_meta['extra_properties']
 534
 535         # Create the kernel image
 536         kernel_file_name = None
 537         kernel_url = openstack_tests.CIRROS_DEFAULT_KERNEL_IMAGE_URL
 538         if 'kernel_file' in self.glance_test_meta:
 539             kernel_file_name = self.glance_test_meta['kernel_file']
 540         elif 'kernel_url' in self.glance_test_meta:
 541             kernel_url = self.glance_test_meta['kernel_url']
 542         else:
 543             kernel_url = 'http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-kernel'
 544
 545         if not kernel_file_name:
 546             kernel_file_name = file_utils.download(kernel_url, self.tmp_dir).name
 547
 548         kernel_file_image_settings = openstack_tests.file_image_test_settings(
 549             name=self.image_name+'_kernel', file_path=kernel_file_name)
 550
 551         self.image_creators.append(create_image.OpenStackImage(self.os_creds, kernel_file_image_settings))
 552         kernel_image = self.image_creators[-1].create()
 553         self.assertIsNotNone(kernel_image)
 554         self.assertEqual(get_image_size(kernel_file_image_settings), kernel_image.size)
 555
 556         # Create the ramdisk image
 557         ramdisk_file_name = None
 558         ramdisk_url = openstack_tests.CIRROS_DEFAULT_RAMDISK_IMAGE_URL
 559         if 'ramdisk_file' in self.glance_test_meta:
 560             ramdisk_file_name = self.glance_test_meta['ramdisk_file']
 561         elif 'ramdisk_url' in self.glance_test_meta:
 562             ramdisk_url = self.glance_test_meta['ramdisk_url']
 563
 564         if not ramdisk_file_name:
 565             ramdisk_file_name = file_utils.download(ramdisk_url, self.tmp_dir).name
 566
 567         ramdisk_file_image_settings = openstack_tests.file_image_test_settings(
 568             name=self.image_name+'_ramdisk', file_path=ramdisk_file_name)
 569         self.image_creators.append(create_image.OpenStackImage(self.os_creds, ramdisk_file_image_settings))
 570         ramdisk_image = self.image_creators[-1].create()
 571         self.assertIsNotNone(ramdisk_image)
 572         self.assertEqual(get_image_size(ramdisk_file_image_settings), ramdisk_image.size)
 573
 574         # Create the main disk image
 575         disk_file_name = None
 576         disk_url = openstack_tests.CIRROS_DEFAULT_IMAGE_URL
 577         if 'disk_file' in self.glance_test_meta:
 578             disk_file_name = self.glance_test_meta['disk_file']
 579         elif 'disk_url' in self.glance_test_meta:
 580             disk_url = self.glance_test_meta['disk_url']
 581
 582         if not disk_file_name:
 583             disk_file_name = file_utils.download(disk_url, self.tmp_dir).name
 584
 585         file_image_settings = openstack_tests.file_image_test_settings(name=self.image_name, file_path=disk_file_name)
 586         properties['kernel_id'] = kernel_image.id
 587         properties['ramdisk_id'] = ramdisk_image.id
 588         file_image_settings.extra_properties = properties
 589         self.image_creators.append(create_image.OpenStackImage(self.os_creds, file_image_settings))
 590         created_image = self.image_creators[-1].create()
 591
 592         self.assertIsNotNone(created_image)
 593         self.assertEqual(self.image_name, created_image.name)
 594
 595         retrieved_image = glance_utils.get_image(self.glance, file_image_settings.name)
 596         self.assertIsNotNone(retrieved_image)
 597         self.assertEqual(self.image_creators[-1].get_image().size, retrieved_image.size)
 598         self.assertEqual(get_image_size(file_image_settings), retrieved_image.size)
 599         self.assertEqual(created_image.name, retrieved_image.name)
 600         self.assertEqual(created_image.id, retrieved_image.id)
 601         self.assertEqual(created_image.properties, retrieved_image.properties)
 602
 603     def test_create_three_part_image_from_url_3_creators(self):
 604         """
 605         Tests the creation of a 3-part OpenStack image from a URL.
 606         """
 607         if 'disk_file' not in self.glance_test_meta:
 608             # Set properties
 609             properties = {}
 610             if self.glance_test_meta and 'extra_properties' in self.glance_test_meta:
 611                 properties = self.glance_test_meta['extra_properties']
 612
 613             # Create the kernel image
 614             kernel_image_settings = openstack_tests.cirros_image_settings(
 615                 name=self.image_name+'_kernel',
 616                 url='http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-kernel')
 617
 618             if self.glance_test_meta:
 619                 if 'kernel_url' in self.glance_test_meta:
 620                     kernel_image_settings.url = self.glance_test_meta['kernel_url']
 621             self.image_creators.append(create_image.OpenStackImage(self.os_creds, kernel_image_settings))
 622             kernel_image = self.image_creators[-1].create()
 623             self.assertIsNotNone(kernel_image)
 624             self.assertEqual(get_image_size(kernel_image_settings), kernel_image.size)
 625
 626             # Create the ramdisk image
 627             ramdisk_image_settings = openstack_tests.cirros_image_settings(
 628                 name=self.image_name+'_ramdisk',
 629                 url='http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-initramfs')
 630             if self.glance_test_meta:
 631                 if 'ramdisk_url' in self.glance_test_meta:
 632                     ramdisk_image_settings.url = self.glance_test_meta['ramdisk_url']
 633             self.image_creators.append(create_image.OpenStackImage(self.os_creds, ramdisk_image_settings))
 634             ramdisk_image = self.image_creators[-1].create()
 635             self.assertIsNotNone(ramdisk_image)
 636             self.assertEqual(get_image_size(ramdisk_image_settings), ramdisk_image.size)
 637
 638             # Create the main image
 639             os_image_settings = openstack_tests.cirros_image_settings(
 640                 name=self.image_name,
 641                 url='http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-disk.img')
 642             if self.glance_test_meta:
 643                 if 'disk_url' in self.glance_test_meta:
 644                     os_image_settings.url = self.glance_test_meta['disk_url']
 645
 646             properties['kernel_id'] = kernel_image.id
 647             properties['ramdisk_id'] = ramdisk_image.id
 648             os_image_settings.extra_properties = properties
 649
 650             self.image_creators.append(create_image.OpenStackImage(self.os_creds, os_image_settings))
 651             created_image = self.image_creators[-1].create()
 652             self.assertIsNotNone(created_image)
 653             self.assertEqual(self.image_name, created_image.name)
 654
 655             retrieved_image = glance_utils.get_image(self.glance, os_image_settings.name)
 656             self.assertIsNotNone(retrieved_image)
 657
 658             self.assertEqual(self.image_creators[-1].get_image().size, retrieved_image.size)
 659             self.assertEqual(get_image_size(os_image_settings), retrieved_image.size)
 660
 661             self.assertEqual(created_image.name, retrieved_image.name)
 662             self.assertEqual(created_image.id, retrieved_image.id)
 663             self.assertEqual(created_image.properties, retrieved_image.properties)
 664         else:
 665             logger.warn('Test not executed as the image metadata requires image files')
 666
 667
 668 def get_image_size(image_settings):
 669     """
 670     Returns the expected image size
 671     :return:
 672     """
 673     if image_settings.image_file:
 674         return os.path.getsize(image_settings.image_file)
 675     elif image_settings.url:
 676         return int(file_utils.get_content_length(image_settings.url))
 677     else:
 678         raise Exception('Cannot retrieve expected image size. Image filename or URL has not been configured')