# Copyright 2015 Red Hat, 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 mock
import os
import glance_store
from oslo_concurrency import processutils
from oslo_config import cfg
import six
from glance.async.flows import convert
from glance.async import taskflow_executor
from glance.common.scripts import utils as script_utils
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'
[docs]class TestImportTask(test_utils.BaseTestCase):
[docs] def setUp(self):
super(TestImportTask, self).setUp()
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.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=UUID1,
disk_format='raw',
container_format='bare')
task_input = {
"import_from": "http://cloud.foo/image.raw",
"import_from_format": "raw",
"image_properties": {'disk_format': 'qcow2',
'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)
glance_store.register_opts(CONF)
self.config(default_store='file',
stores=['file', 'http'],
filesystem_store_datadir=self.test_dir,
group="glance_store")
self.config(conversion_format='qcow2',
group='taskflow_executor')
glance_store.create_stores(CONF)
[docs] def test_convert_success(self):
image_convert = convert._Convert(self.task.task_id,
self.task_type,
self.img_repo)
self.task_repo.get.return_value = self.task
image_id = mock.sentinel.image_id
image = mock.MagicMock(image_id=image_id, virtual_size=None)
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(os, 'rename') as rm_mock:
rm_mock.return_value = None
image_convert.execute(image, '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])
[docs] def test_convert_revert_success(self):
image_convert = convert._Convert(self.task.task_id,
self.task_type,
self.img_repo)
self.task_repo.get.return_value = self.task
image_id = mock.sentinel.image_id
image = mock.MagicMock(image_id=image_id, virtual_size=None)
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(os, 'remove') as rmtree_mock:
rmtree_mock.return_value = None
image_convert.revert(image, 'file:///tmp/test')
[docs] def test_import_flow_with_convert_and_introspect(self):
self.config(engine_mode='serial',
group='taskflow_executor')
image = self.img_factory.new_image(image_id=UUID1,
disk_format='raw',
container_format='bare')
img_factory = mock.MagicMock()
executor = taskflow_executor.TaskExecutor(
self.context,
self.task_repo,
self.img_repo,
img_factory)
self.task_repo.get.return_value = self.task
def create_image(*args, **kwargs):
kwargs['image_id'] = UUID1
return self.img_factory.new_image(*args, **kwargs)
self.img_repo.get.return_value = image
img_factory.new_image.side_effect = create_image
image_path = os.path.join(self.work_dir, image.image_id)
def fake_execute(*args, **kwargs):
if 'info' in args:
# NOTE(flaper87): Make sure the file actually
# exists. Extra check to verify previous tasks did
# what they were supposed to do.
assert os.path.exists(args[3].split("file://")[-1])
return (json.dumps({
"virtual-size": 10737418240,
"filename": "/tmp/image.qcow2",
"cluster-size": 65536,
"format": "qcow2",
"actual-size": 373030912,
"format-specific": {
"type": "qcow2",
"data": {
"compat": "0.10"
}
},
"dirty-flag": False
}), None)
open("%s.converted" % image_path, 'a').close()
return ("", None)
with mock.patch.object(script_utils, 'get_image_data_iter') as dmock:
dmock.return_value = six.BytesIO(b"TEST_IMAGE")
with mock.patch.object(processutils, 'execute') as exc_mock:
exc_mock.side_effect = fake_execute
executor.begin_processing(self.task.task_id)
# NOTE(flaper87): DeleteFromFS should've deleted this
# file. Make sure it doesn't exist.
self.assertFalse(os.path.exists(image_path))
# NOTE(flaper87): Workdir should be empty after all
# the tasks have been executed.
self.assertEqual([], os.listdir(self.work_dir))
self.assertEqual('qcow2', image.disk_format)
self.assertEqual(10737418240, image.virtual_size)
# NOTE(hemanthm): Asserting that the source format is passed
# to qemu-utis to avoid inferring the image format when
# converting. This shields us from an attack vector described
# at https://bugs.launchpad.net/glance/+bug/1449062/comments/72
#
# A total of three calls will be made to 'execute': 'info',
# 'convert' and 'info' towards introspection, conversion and
# OVF packaging respectively. We care about the 'convert' call
# here, hence we fetch the 2nd set of args from the args list.
convert_call_args, _ = exc_mock.call_args_list[1]
self.assertIn('-f', convert_call_args)