Compute images via addClassResourceCleanup

Cleanup images in compute tests via addClassResourceCleanup.

Change-Id: I74b01dfa9e1754f4034046daf03f9404abf40b8e

tempest/api/compute/base.py

@@ -117,15 +117,12 @@ class BaseV2ComputeTest(api_version_utils.BaseMicroversionTest,
         cls.image_ssh_user = CONF.validation.image_ssh_user
         cls.image_ssh_password = CONF.validation.image_ssh_password
         cls.servers = []
-        cls.images = []
         cls.security_groups = []
         cls.server_groups = []
         cls.volumes = []
 
     @classmethod
     def resource_cleanup(cls):
-        cls.clear_resources('images', cls.images,
-                            cls.compute_images_client.delete_image)
         cls.clear_servers()
         cls.clear_resources('security groups', cls.security_groups,
                             cls.security_groups_client.delete_security_group)
@@ -293,7 +290,9 @@ class BaseV2ComputeTest(api_version_utils.BaseMicroversionTest,
         image = cls.compute_images_client.create_image(server_id, name=name,
                                                        **kwargs)
         image_id = data_utils.parse_image_id(image.response['location'])
-        cls.images.append(image_id)
+        cls.addClassResourceCleanup(test_utils.call_and_ignore_notfound_exc,
+                                    cls.compute_images_client.delete_image,
+                                    image_id)
 
         if wait_until is not None:
             try:

tempest/api/compute/images/test_image_metadata.py

@@ -20,6 +20,7 @@ from tempest.common import image as common_image
 from tempest.common import waiters
 from tempest import config
 from tempest.lib.common.utils import data_utils
+from tempest.lib.common.utils import test_utils
 from tempest.lib import decorators
 from tempest.lib import exceptions
 
@@ -70,7 +71,9 @@ class ImagesMetadataTestJSON(base.BaseV2ComputeTest):
         body = cls.glance_client.create_image(**params)
         body = body['image'] if 'image' in body else body
         cls.image_id = body['id']
-        cls.images.append(cls.image_id)
+        cls.addClassResourceCleanup(test_utils.call_and_ignore_notfound_exc,
+                                    cls.compute_images_client.delete_image,
+                                    cls.image_id)
         image_file = six.BytesIO((b'*' * 1024))
         if CONF.image_feature_enabled.api_v1:
             cls.glance_client.update_image(cls.image_id, data=image_file)

tempest/api/compute/images/test_images_oneserver.py

@@ -74,7 +74,6 @@ class ImagesOneServerTestJSON(base.BaseV2ComputeTest):
 
         # Verify the image was deleted correctly
         self.client.delete_image(image['id'])
-        self.images.remove(image['id'])
         self.client.wait_for_resource_deletion(image['id'])
 
     @decorators.idempotent_id('3b7c6fe4-dfe7-477c-9243-b06359db51e6')

tempest/api/compute/images/test_images_oneserver_negative.py

@@ -107,7 +107,6 @@ class ImagesOneServerNegativeTestJSON(base.BaseV2ComputeTest):
 
         image_id = data_utils.parse_image_id(image.response['location'])
         self.client.delete_image(image_id)
-        self.images.remove(image_id)
 
     @decorators.attr(type=['negative'])
     @decorators.idempotent_id('084f0cbc-500a-4963-8a4e-312905862581')
@@ -130,6 +129,5 @@ class ImagesOneServerNegativeTestJSON(base.BaseV2ComputeTest):
 
         # Do not wait, attempt to delete the image, ensure it's successful
         self.client.delete_image(image_id)
-        self.images.remove(image_id)
         self.assertRaises(lib_exc.NotFound,
                           self.client.show_image, image_id)

tempest/api/compute/images/test_list_image_filters.py

@@ -23,6 +23,7 @@ from tempest.common import image as common_image
 from tempest.common import waiters
 from tempest import config
 from tempest.lib.common.utils import data_utils
+from tempest.lib.common.utils import test_utils
 from tempest.lib import decorators
 from tempest.lib import exceptions
 
@@ -74,7 +75,10 @@ class ListImageFiltersTestJSON(base.BaseV2ComputeTest):
             body = cls.glance_client.create_image(**params)
             body = body['image'] if 'image' in body else body
             image_id = body['id']
-            cls.images.append(image_id)
+            cls.addClassResourceCleanup(
+                test_utils.call_and_ignore_notfound_exc,
+                cls.compute_images_client.delete_image,
+                image_id)
             # Wait 1 second between creation and upload to ensure a delta
             # between created_at and updated_at.
             time.sleep(1)

tempest/tests/api/compute/test_base.py

@@ -37,14 +37,16 @@ class TestBaseV2ComputeTest(base.TestCase):
         fake_image = mock.Mock(response={'location': image_id})
         compute_images_client.create_image.return_value = fake_image
         # call the utility method
-        image = compute_base.BaseV2ComputeTest.create_image_from_server(
-            mock.sentinel.server_id, name='fake-snapshot-name')
+        cleanup_path = 'tempest.test.BaseTestCase.addClassResourceCleanup'
+        with mock.patch(cleanup_path) as mock_cleanup:
+            image = compute_base.BaseV2ComputeTest.create_image_from_server(
+                mock.sentinel.server_id, name='fake-snapshot-name')
         self.assertEqual(fake_image, image)
         # make our assertions
         compute_images_client.create_image.assert_called_once_with(
             mock.sentinel.server_id, name='fake-snapshot-name')
-        self.assertEqual(1, len(compute_base.BaseV2ComputeTest.images))
-        self.assertEqual(image_id, compute_base.BaseV2ComputeTest.images[0])
+        mock_cleanup.assert_called_once()
+        self.assertIn(image_id, mock_cleanup.call_args[0])
 
     @mock.patch.multiple(compute_base.BaseV2ComputeTest,
                          compute_images_client=mock.DEFAULT,