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# Copyright 2018 RedHat, Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import json
import os
from unittest import mock
import glance_store
from oslo_concurrency import processutils
from oslo_config import cfg
import glance.async_.flows.plugins.image_conversion as image_conversion
from glance.common import utils
from glance import domain
from glance import gateway
import glance.tests.utils as test_utils
CONF = cfg.CONF
UUID1 = 'c80a1a6c-bd1f-41c5-90ee-81afedb1d58d'
TENANT1 = '6838eb7b-6ded-434a-882c-b344c77fe8df'
class TestConvertImageTask(test_utils.BaseTestCase):
def setUp(self):
super(TestConvertImageTask, self).setUp()
glance_store.register_opts(CONF)
self.config(default_store='file',
stores=['file', 'http'],
filesystem_store_datadir=self.test_dir,
group="glance_store")
self.config(output_format='qcow2',
group='image_conversion')
glance_store.create_stores(CONF)
self.work_dir = os.path.join(self.test_dir, 'work_dir')
utils.safe_mkdirs(self.work_dir)
self.config(work_dir=self.work_dir, group='task')
self.context = mock.MagicMock()
self.img_repo = mock.MagicMock()
self.task_repo = mock.MagicMock()
self.image_id = UUID1
self.gateway = gateway.Gateway()
self.task_factory = domain.TaskFactory()
self.img_factory = self.gateway.get_image_factory(self.context)
self.image = self.img_factory.new_image(image_id=self.image_id,
disk_format='raw',
container_format='bare')
task_input = {
"import_from": "http://cloud.foo/image.raw",
"import_from_format": "raw",
"image_properties": {'disk_format': 'raw',
'container_format': 'bare'}
}
task_ttl = CONF.task.task_time_to_live
self.task_type = 'import'
self.task = self.task_factory.new_task(self.task_type, TENANT1,
task_time_to_live=task_ttl,
task_input=task_input)
@mock.patch.object(os, 'remove')
def test_image_convert_success(self, mock_os_remove):
mock_os_remove.return_value = None
image_convert = image_conversion._ConvertImage(self.context,
self.task.task_id,
self.task_type,
self.img_repo,
self.image_id)
self.task_repo.get.return_value = self.task
image = mock.MagicMock(image_id=self.image_id, virtual_size=None,
disk_format='qcow2')
self.img_repo.get.return_value = image
with mock.patch.object(processutils, 'execute') as exc_mock:
exc_mock.return_value = ("", None)
with mock.patch.object(json, 'loads') as jloads_mock:
jloads_mock.return_value = {'format': 'raw'}
image_convert.execute('file:///test/path.raw')
# NOTE(hemanthm): Asserting that the source format is passed
# to qemu-utis to avoid inferring the image format. This
# shields us from an attack vector described at
# https://bugs.launchpad.net/glance/+bug/1449062/comments/72
self.assertIn('-f', exc_mock.call_args[0])
self.assertEqual("qcow2", image.disk_format)
@mock.patch.object(os, 'remove')
def test_image_convert_revert_success(self, mock_os_remove):
mock_os_remove.return_value = None
image_convert = image_conversion._ConvertImage(self.context,
self.task.task_id,
self.task_type,
self.img_repo,
self.image_id)
self.task_repo.get.return_value = self.task
with mock.patch.object(processutils, 'execute') as exc_mock:
exc_mock.return_value = ("", None)
with mock.patch.object(os.path, 'exists') as os_exists_mock:
os_exists_mock.return_value = True
image_convert.revert(result=mock.MagicMock())
self.assertEqual(1, mock_os_remove.call_count)
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