156 lines
6.0 KiB
Python
156 lines
6.0 KiB
Python
# Copyright 2015 Red Hat, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import json
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import mock
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import glance_store
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from oslo_concurrency import processutils
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from oslo_config import cfg
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from glance.async.flows import introspect
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from glance.async import utils as async_utils
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from glance import domain
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import glance.tests.utils as test_utils
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CONF = cfg.CONF
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UUID1 = 'c80a1a6c-bd1f-41c5-90ee-81afedb1d58d'
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TENANT1 = '6838eb7b-6ded-434a-882c-b344c77fe8df'
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class TestImportTask(test_utils.BaseTestCase):
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def setUp(self):
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super(TestImportTask, self).setUp()
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self.task_factory = domain.TaskFactory()
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task_input = {
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"import_from": "http://cloud.foo/image.qcow2",
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"import_from_format": "qcow2",
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"image_properties": mock.sentinel.image_properties
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}
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task_ttl = CONF.task.task_time_to_live
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self.task_type = 'import'
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self.task = self.task_factory.new_task(self.task_type, TENANT1,
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task_time_to_live=task_ttl,
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task_input=task_input)
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self.context = mock.Mock()
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self.img_repo = mock.Mock()
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self.task_repo = mock.Mock()
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self.img_factory = mock.Mock()
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glance_store.register_opts(CONF)
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self.config(default_store='file',
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stores=['file', 'http'],
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filesystem_store_datadir=self.test_dir,
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group="glance_store")
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glance_store.create_stores(CONF)
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def test_introspect_success(self):
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image_create = introspect._Introspect(self.task.task_id,
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self.task_type,
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self.img_repo)
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self.task_repo.get.return_value = self.task
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image_id = mock.sentinel.image_id
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image = mock.MagicMock(image_id=image_id)
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self.img_repo.get.return_value = image
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with mock.patch.object(processutils, 'execute') as exc_mock:
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result = json.dumps({
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"virtual-size": 10737418240,
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"filename": "/tmp/image.qcow2",
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"cluster-size": 65536,
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"format": "qcow2",
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"actual-size": 373030912,
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"format-specific": {
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"type": "qcow2",
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"data": {
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"compat": "0.10"
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}
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},
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"dirty-flag": False
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})
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exc_mock.return_value = (result, None)
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image_create.execute(image, '/test/path.qcow2')
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self.assertEqual(10737418240, image.virtual_size)
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# NOTE(hemanthm): Assert that process limits are being applied on
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# "qemu-img info" calls. See bug #1449062 for more details.
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kw_args = exc_mock.call_args[1]
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self.assertIn('prlimit', kw_args)
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self.assertEqual(async_utils.QEMU_IMG_PROC_LIMITS,
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kw_args.get('prlimit'))
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def test_introspect_quietly_refuses_to_apply_process_limits(self):
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image_create = introspect._Introspect(self.task.task_id,
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self.task_type,
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self.img_repo)
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self.task_repo.get.return_value = self.task
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image_id = mock.sentinel.image_id
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image = mock.MagicMock(image_id=image_id)
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self.img_repo.get.return_value = image
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with mock.patch.object(processutils, 'execute') as exc_mock:
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with mock.patch('glance.async.utils.QEMU_IMG_PROC_LIMITS', None):
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result = json.dumps({
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"virtual-size": 10737418240,
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"filename": "/tmp/image.qcow2",
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"cluster-size": 65536,
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"format": "qcow2",
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"actual-size": 373030912,
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"format-specific": {
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"type": "qcow2",
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"data": {
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"compat": "0.10"
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}
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},
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"dirty-flag": False
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})
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exc_mock.return_value = (result, None)
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image_create.execute(image, '/test/path.qcow2')
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self.assertEqual(10737418240, image.virtual_size)
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# NOTE(sigmavirus24): Assert that process limits are being
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# ignored when oslo.concurrency is too old.
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kw_args = exc_mock.call_args[1]
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self.assertNotIn('prlimit', kw_args)
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def test_introspect_no_image(self):
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image_create = introspect._Introspect(self.task.task_id,
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self.task_type,
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self.img_repo)
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self.task_repo.get.return_value = self.task
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image_id = mock.sentinel.image_id
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image = mock.MagicMock(image_id=image_id, virtual_size=None)
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self.img_repo.get.return_value = image
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# NOTE(flaper87): Don't mock, test the error.
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with mock.patch.object(processutils, 'execute') as exc_mock:
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exc_mock.return_value = (None, "some error")
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# NOTE(flaper87): Pls, read the `OptionalTask._catch_all`
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# docs to know why this is commented.
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# self.assertRaises(RuntimeError,
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# image_create.execute,
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# image, '/test/path.qcow2')
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image_create.execute(image, '/test/path.qcow2')
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self.assertIsNone(image.virtual_size)
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