549 lines
22 KiB
Python
549 lines
22 KiB
Python
# Copyright (c) 2014 VMware, Inc.
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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 contextlib
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import re
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import mock
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from oslo.utils import units
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from oslo.vmware import exceptions as vexc
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from testtools import matchers
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from nova import exception
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from nova.i18n import _
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from nova import test
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from nova.tests.virt.vmwareapi import fake
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from nova.virt.vmwareapi import ds_util
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class DsUtilTestCase(test.NoDBTestCase):
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def setUp(self):
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super(DsUtilTestCase, self).setUp()
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self.session = fake.FakeSession()
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self.flags(api_retry_count=1, group='vmware')
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fake.reset()
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def tearDown(self):
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super(DsUtilTestCase, self).tearDown()
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fake.reset()
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def test_file_delete(self):
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def fake_call_method(module, method, *args, **kwargs):
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self.assertEqual('DeleteDatastoreFile_Task', method)
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name = kwargs.get('name')
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self.assertEqual('[ds] fake/path', name)
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datacenter = kwargs.get('datacenter')
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self.assertEqual('fake-dc-ref', datacenter)
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return 'fake_delete_task'
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with contextlib.nested(
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mock.patch.object(self.session, '_wait_for_task'),
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mock.patch.object(self.session, '_call_method',
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fake_call_method)
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) as (_wait_for_task, _call_method):
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ds_path = ds_util.DatastorePath('ds', 'fake/path')
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ds_util.file_delete(self.session,
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ds_path, 'fake-dc-ref')
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_wait_for_task.assert_has_calls([
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mock.call('fake_delete_task')])
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def test_file_move(self):
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def fake_call_method(module, method, *args, **kwargs):
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self.assertEqual('MoveDatastoreFile_Task', method)
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sourceName = kwargs.get('sourceName')
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self.assertEqual('[ds] tmp/src', sourceName)
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destinationName = kwargs.get('destinationName')
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self.assertEqual('[ds] base/dst', destinationName)
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sourceDatacenter = kwargs.get('sourceDatacenter')
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self.assertEqual('fake-dc-ref', sourceDatacenter)
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destinationDatacenter = kwargs.get('destinationDatacenter')
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self.assertEqual('fake-dc-ref', destinationDatacenter)
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return 'fake_move_task'
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with contextlib.nested(
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mock.patch.object(self.session, '_wait_for_task'),
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mock.patch.object(self.session, '_call_method',
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fake_call_method)
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) as (_wait_for_task, _call_method):
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src_ds_path = ds_util.DatastorePath('ds', 'tmp/src')
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dst_ds_path = ds_util.DatastorePath('ds', 'base/dst')
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ds_util.file_move(self.session,
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'fake-dc-ref', src_ds_path, dst_ds_path)
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_wait_for_task.assert_has_calls([
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mock.call('fake_move_task')])
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def test_mkdir(self):
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def fake_call_method(module, method, *args, **kwargs):
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self.assertEqual('MakeDirectory', method)
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name = kwargs.get('name')
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self.assertEqual('[ds] fake/path', name)
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datacenter = kwargs.get('datacenter')
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self.assertEqual('fake-dc-ref', datacenter)
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createParentDirectories = kwargs.get('createParentDirectories')
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self.assertTrue(createParentDirectories)
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with mock.patch.object(self.session, '_call_method',
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fake_call_method):
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ds_path = ds_util.DatastorePath('ds', 'fake/path')
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ds_util.mkdir(self.session, ds_path, 'fake-dc-ref')
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def test_file_exists(self):
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def fake_call_method(module, method, *args, **kwargs):
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if method == 'SearchDatastore_Task':
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ds_browser = args[0]
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self.assertEqual('fake-browser', ds_browser)
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datastorePath = kwargs.get('datastorePath')
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self.assertEqual('[ds] fake/path', datastorePath)
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return 'fake_exists_task'
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# Should never get here
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self.fail()
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def fake_wait_for_task(task_ref):
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if task_ref == 'fake_exists_task':
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result_file = fake.DataObject()
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result_file.path = 'fake-file'
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result = fake.DataObject()
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result.file = [result_file]
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result.path = '[ds] fake/path'
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task_info = fake.DataObject()
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task_info.result = result
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return task_info
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# Should never get here
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self.fail()
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with contextlib.nested(
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mock.patch.object(self.session, '_call_method',
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fake_call_method),
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mock.patch.object(self.session, '_wait_for_task',
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fake_wait_for_task)):
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ds_path = ds_util.DatastorePath('ds', 'fake/path')
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file_exists = ds_util.file_exists(self.session,
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'fake-browser', ds_path, 'fake-file')
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self.assertTrue(file_exists)
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def test_file_exists_fails(self):
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def fake_call_method(module, method, *args, **kwargs):
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if method == 'SearchDatastore_Task':
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return 'fake_exists_task'
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# Should never get here
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self.fail()
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def fake_wait_for_task(task_ref):
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if task_ref == 'fake_exists_task':
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raise vexc.FileNotFoundException()
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# Should never get here
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self.fail()
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with contextlib.nested(
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mock.patch.object(self.session, '_call_method',
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fake_call_method),
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mock.patch.object(self.session, '_wait_for_task',
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fake_wait_for_task)):
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ds_path = ds_util.DatastorePath('ds', 'fake/path')
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file_exists = ds_util.file_exists(self.session,
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'fake-browser', ds_path, 'fake-file')
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self.assertFalse(file_exists)
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def _mock_get_datastore_calls(self, *datastores):
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"""Mock vim_util calls made by get_datastore."""
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datastores_i = [None]
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# For the moment, at least, this list of datastores is simply passed to
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# get_properties_for_a_collection_of_objects, which we mock below. We
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# don't need to over-complicate the fake function by worrying about its
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# contents.
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fake_ds_list = ['fake-ds']
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def fake_call_method(module, method, *args, **kwargs):
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# Mock the call which returns a list of datastores for the cluster
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if (module == ds_util.vim_util and
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method == 'get_dynamic_property' and
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args == ('fake-cluster', 'ClusterComputeResource',
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'datastore')):
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fake_ds_mor = fake.DataObject()
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fake_ds_mor.ManagedObjectReference = fake_ds_list
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return fake_ds_mor
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# Return the datastore result sets we were passed in, in the order
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# given
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if (module == ds_util.vim_util and
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method == 'get_properties_for_a_collection_of_objects' and
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args[0] == 'Datastore' and
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args[1] == fake_ds_list):
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# Start a new iterator over given datastores
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datastores_i[0] = iter(datastores)
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return datastores_i[0].next()
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# Continue returning results from the current iterator.
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if (module == ds_util.vim_util and
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method == 'continue_to_get_objects'):
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try:
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return datastores_i[0].next()
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except StopIteration:
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return None
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# Sentinel that get_datastore's use of vim has changed
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self.fail('Unexpected vim call in get_datastore: %s' % method)
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return mock.patch.object(self.session, '_call_method',
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side_effect=fake_call_method)
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def test_get_datastore(self):
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fake_objects = fake.FakeRetrieveResult()
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fake_objects.add_object(fake.Datastore())
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fake_objects.add_object(fake.Datastore("fake-ds-2", 2048, 1000,
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False, "normal"))
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fake_objects.add_object(fake.Datastore("fake-ds-3", 4096, 2000,
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True, "inMaintenance"))
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with self._mock_get_datastore_calls(fake_objects):
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result = ds_util.get_datastore(self.session, 'fake-cluster')
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self.assertEqual("fake-ds", result.name)
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self.assertEqual(units.Ti, result.capacity)
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self.assertEqual(500 * units.Gi, result.freespace)
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def test_get_datastore_with_regex(self):
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# Test with a regex that matches with a datastore
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datastore_valid_regex = re.compile("^openstack.*\d$")
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fake_objects = fake.FakeRetrieveResult()
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fake_objects.add_object(fake.Datastore("openstack-ds0"))
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fake_objects.add_object(fake.Datastore("fake-ds0"))
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fake_objects.add_object(fake.Datastore("fake-ds1"))
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with self._mock_get_datastore_calls(fake_objects):
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result = ds_util.get_datastore(self.session, 'fake-cluster',
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datastore_valid_regex)
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self.assertEqual("openstack-ds0", result.name)
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def test_get_datastore_with_token(self):
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regex = re.compile("^ds.*\d$")
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fake0 = fake.FakeRetrieveResult()
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fake0.add_object(fake.Datastore("ds0", 10 * units.Gi, 5 * units.Gi))
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fake0.add_object(fake.Datastore("foo", 10 * units.Gi, 9 * units.Gi))
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setattr(fake0, 'token', 'token-0')
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fake1 = fake.FakeRetrieveResult()
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fake1.add_object(fake.Datastore("ds2", 10 * units.Gi, 8 * units.Gi))
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fake1.add_object(fake.Datastore("ds3", 10 * units.Gi, 1 * units.Gi))
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with self._mock_get_datastore_calls(fake0, fake1):
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result = ds_util.get_datastore(self.session, 'fake-cluster', regex)
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self.assertEqual("ds2", result.name)
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def test_get_datastore_with_list(self):
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# Test with a regex containing whitelist of datastores
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datastore_valid_regex = re.compile("(openstack-ds0|openstack-ds2)")
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fake_objects = fake.FakeRetrieveResult()
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fake_objects.add_object(fake.Datastore("openstack-ds0"))
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fake_objects.add_object(fake.Datastore("openstack-ds1"))
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fake_objects.add_object(fake.Datastore("openstack-ds2"))
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with self._mock_get_datastore_calls(fake_objects):
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result = ds_util.get_datastore(self.session, 'fake-cluster',
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datastore_valid_regex)
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self.assertNotEqual("openstack-ds1", result.name)
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def test_get_datastore_with_regex_error(self):
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# Test with a regex that has no match
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# Checks if code raises DatastoreNotFound with a specific message
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datastore_invalid_regex = re.compile("unknown-ds")
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exp_message = (_("Datastore regex %s did not match any datastores")
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% datastore_invalid_regex.pattern)
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fake_objects = fake.FakeRetrieveResult()
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fake_objects.add_object(fake.Datastore("fake-ds0"))
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fake_objects.add_object(fake.Datastore("fake-ds1"))
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# assertRaisesRegExp would have been a good choice instead of
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# try/catch block, but it's available only from Py 2.7.
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try:
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with self._mock_get_datastore_calls(fake_objects):
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ds_util.get_datastore(self.session, 'fake-cluster',
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datastore_invalid_regex)
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except exception.DatastoreNotFound as e:
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self.assertEqual(exp_message, e.args[0])
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else:
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self.fail("DatastoreNotFound Exception was not raised with "
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"message: %s" % exp_message)
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def test_get_datastore_without_datastore(self):
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self.assertRaises(exception.DatastoreNotFound,
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ds_util.get_datastore,
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fake.FakeObjectRetrievalSession(None), cluster="fake-cluster")
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def test_get_datastore_inaccessible_ds(self):
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data_store = fake.Datastore()
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data_store.set("summary.accessible", False)
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fake_objects = fake.FakeRetrieveResult()
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fake_objects.add_object(data_store)
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with self._mock_get_datastore_calls(fake_objects):
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self.assertRaises(exception.DatastoreNotFound,
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ds_util.get_datastore,
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self.session, 'fake-cluster')
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def test_get_datastore_ds_in_maintenance(self):
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data_store = fake.Datastore()
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data_store.set("summary.maintenanceMode", "inMaintenance")
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fake_objects = fake.FakeRetrieveResult()
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fake_objects.add_object(data_store)
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with self._mock_get_datastore_calls(fake_objects):
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self.assertRaises(exception.DatastoreNotFound,
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ds_util.get_datastore,
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self.session, 'fake-cluster')
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def test_get_datastore_no_host_in_cluster(self):
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def fake_call_method(module, method, *args, **kwargs):
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return ''
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with mock.patch.object(self.session, '_call_method',
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fake_call_method):
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self.assertRaises(exception.DatastoreNotFound,
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ds_util.get_datastore,
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self.session, 'fake-cluster')
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def _test_is_datastore_valid(self, accessible=True,
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maintenance_mode="normal",
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type="VMFS",
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datastore_regex=None):
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propdict = {}
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propdict["summary.accessible"] = accessible
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propdict["summary.maintenanceMode"] = maintenance_mode
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propdict["summary.type"] = type
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propdict["summary.name"] = "ds-1"
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return ds_util._is_datastore_valid(propdict, datastore_regex)
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def test_is_datastore_valid(self):
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for ds_type in ds_util.ALLOWED_DATASTORE_TYPES:
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self.assertTrue(self._test_is_datastore_valid(True,
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"normal",
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ds_type))
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def test_is_datastore_valid_inaccessible_ds(self):
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self.assertFalse(self._test_is_datastore_valid(False,
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"normal",
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"VMFS"))
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def test_is_datastore_valid_ds_in_maintenance(self):
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self.assertFalse(self._test_is_datastore_valid(True,
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"inMaintenance",
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"VMFS"))
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def test_is_datastore_valid_ds_type_invalid(self):
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self.assertFalse(self._test_is_datastore_valid(True,
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"normal",
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"vfat"))
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def test_is_datastore_valid_not_matching_regex(self):
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datastore_regex = re.compile("ds-2")
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self.assertFalse(self._test_is_datastore_valid(True,
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"normal",
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"VMFS",
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datastore_regex))
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def test_is_datastore_valid_matching_regex(self):
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datastore_regex = re.compile("ds-1")
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self.assertTrue(self._test_is_datastore_valid(True,
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"normal",
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"VMFS",
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datastore_regex))
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class DatastoreTestCase(test.NoDBTestCase):
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def test_ds(self):
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ds = ds_util.Datastore(
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"fake_ref", "ds_name", 2 * units.Gi, 1 * units.Gi)
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self.assertEqual('ds_name', ds.name)
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self.assertEqual('fake_ref', ds.ref)
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self.assertEqual(2 * units.Gi, ds.capacity)
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self.assertEqual(1 * units.Gi, ds.freespace)
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def test_ds_invalid_space(self):
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self.assertRaises(ValueError, ds_util.Datastore,
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"fake_ref", "ds_name", 1 * units.Gi, 2 * units.Gi)
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self.assertRaises(ValueError, ds_util.Datastore,
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"fake_ref", "ds_name", None, 2 * units.Gi)
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def test_ds_no_capacity_no_freespace(self):
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ds = ds_util.Datastore("fake_ref", "ds_name")
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self.assertIsNone(ds.capacity)
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self.assertIsNone(ds.freespace)
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def test_ds_invalid(self):
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self.assertRaises(ValueError, ds_util.Datastore, None, "ds_name")
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self.assertRaises(ValueError, ds_util.Datastore, "fake_ref", None)
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def test_build_path(self):
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ds = ds_util.Datastore("fake_ref", "ds_name")
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ds_path = ds.build_path("some_dir", "foo.vmdk")
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self.assertEqual('[ds_name] some_dir/foo.vmdk', str(ds_path))
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class DatastorePathTestCase(test.NoDBTestCase):
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def test_ds_path(self):
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p = ds_util.DatastorePath('dsname', 'a/b/c', 'file.iso')
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self.assertEqual('[dsname] a/b/c/file.iso', str(p))
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self.assertEqual('a/b/c/file.iso', p.rel_path)
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self.assertEqual('a/b/c', p.parent.rel_path)
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self.assertEqual('[dsname] a/b/c', str(p.parent))
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self.assertEqual('dsname', p.datastore)
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self.assertEqual('file.iso', p.basename)
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self.assertEqual('a/b/c', p.dirname)
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def test_ds_path_no_ds_name(self):
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bad_args = [
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('', ['a/b/c', 'file.iso']),
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(None, ['a/b/c', 'file.iso'])]
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for t in bad_args:
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self.assertRaises(
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ValueError, ds_util.DatastorePath,
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t[0], *t[1])
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def test_ds_path_invalid_path_components(self):
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bad_args = [
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('dsname', [None]),
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('dsname', ['', None]),
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('dsname', ['a', None]),
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('dsname', ['a', None, 'b']),
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('dsname', [None, '']),
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('dsname', [None, 'b'])]
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for t in bad_args:
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self.assertRaises(
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ValueError, ds_util.DatastorePath,
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t[0], *t[1])
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def test_ds_path_no_subdir(self):
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args = [
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('dsname', ['', 'x.vmdk']),
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('dsname', ['x.vmdk'])]
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canonical_p = ds_util.DatastorePath('dsname', 'x.vmdk')
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self.assertEqual('[dsname] x.vmdk', str(canonical_p))
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self.assertEqual('', canonical_p.dirname)
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self.assertEqual('x.vmdk', canonical_p.basename)
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self.assertEqual('x.vmdk', canonical_p.rel_path)
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for t in args:
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p = ds_util.DatastorePath(t[0], *t[1])
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self.assertEqual(str(canonical_p), str(p))
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|
|
def test_ds_path_ds_only(self):
|
|
args = [
|
|
('dsname', []),
|
|
('dsname', ['']),
|
|
('dsname', ['', ''])]
|
|
|
|
canonical_p = ds_util.DatastorePath('dsname')
|
|
self.assertEqual('[dsname]', str(canonical_p))
|
|
self.assertEqual('', canonical_p.rel_path)
|
|
self.assertEqual('', canonical_p.basename)
|
|
self.assertEqual('', canonical_p.dirname)
|
|
for t in args:
|
|
p = ds_util.DatastorePath(t[0], *t[1])
|
|
self.assertEqual(str(canonical_p), str(p))
|
|
self.assertEqual(canonical_p.rel_path, p.rel_path)
|
|
|
|
def test_ds_path_equivalence(self):
|
|
args = [
|
|
('dsname', ['a/b/c/', 'x.vmdk']),
|
|
('dsname', ['a/', 'b/c/', 'x.vmdk']),
|
|
('dsname', ['a', 'b', 'c', 'x.vmdk']),
|
|
('dsname', ['a/b/c', 'x.vmdk'])]
|
|
|
|
canonical_p = ds_util.DatastorePath('dsname', 'a/b/c', 'x.vmdk')
|
|
for t in args:
|
|
p = ds_util.DatastorePath(t[0], *t[1])
|
|
self.assertEqual(str(canonical_p), str(p))
|
|
self.assertEqual(canonical_p.datastore, p.datastore)
|
|
self.assertEqual(canonical_p.rel_path, p.rel_path)
|
|
self.assertEqual(str(canonical_p.parent), str(p.parent))
|
|
|
|
def test_ds_path_non_equivalence(self):
|
|
args = [
|
|
# leading slash
|
|
('dsname', ['/a', 'b', 'c', 'x.vmdk']),
|
|
('dsname', ['/a/b/c/', 'x.vmdk']),
|
|
('dsname', ['a/b/c', '/x.vmdk']),
|
|
# leading space
|
|
('dsname', ['a/b/c/', ' x.vmdk']),
|
|
('dsname', ['a/', ' b/c/', 'x.vmdk']),
|
|
('dsname', [' a', 'b', 'c', 'x.vmdk']),
|
|
# trailing space
|
|
('dsname', ['/a/b/c/', 'x.vmdk ']),
|
|
('dsname', ['a/b/c/ ', 'x.vmdk'])]
|
|
|
|
canonical_p = ds_util.DatastorePath('dsname', 'a/b/c', 'x.vmdk')
|
|
for t in args:
|
|
p = ds_util.DatastorePath(t[0], *t[1])
|
|
self.assertNotEqual(str(canonical_p), str(p))
|
|
|
|
def test_ds_path_hashable(self):
|
|
ds1 = ds_util.DatastorePath('dsname', 'path')
|
|
ds2 = ds_util.DatastorePath('dsname', 'path')
|
|
|
|
# If the above objects have the same hash, they will only be added to
|
|
# the set once
|
|
self.assertThat(set([ds1, ds2]), matchers.HasLength(1))
|
|
|
|
def test_equal(self):
|
|
a = ds_util.DatastorePath('ds_name', 'a')
|
|
b = ds_util.DatastorePath('ds_name', 'a')
|
|
self.assertEqual(a, b)
|
|
|
|
def test_join(self):
|
|
p = ds_util.DatastorePath('ds_name', 'a')
|
|
ds_path = p.join('b')
|
|
self.assertEqual('[ds_name] a/b', str(ds_path))
|
|
|
|
p = ds_util.DatastorePath('ds_name', 'a')
|
|
ds_path = p.join()
|
|
self.assertEqual('[ds_name] a', str(ds_path))
|
|
|
|
bad_args = [
|
|
[None],
|
|
['', None],
|
|
['a', None],
|
|
['a', None, 'b']]
|
|
for arg in bad_args:
|
|
self.assertRaises(ValueError, p.join, *arg)
|
|
|
|
def test_ds_path_parse(self):
|
|
p = ds_util.DatastorePath.parse('[dsname]')
|
|
self.assertEqual('dsname', p.datastore)
|
|
self.assertEqual('', p.rel_path)
|
|
|
|
p = ds_util.DatastorePath.parse('[dsname] folder')
|
|
self.assertEqual('dsname', p.datastore)
|
|
self.assertEqual('folder', p.rel_path)
|
|
|
|
p = ds_util.DatastorePath.parse('[dsname] folder/file')
|
|
self.assertEqual('dsname', p.datastore)
|
|
self.assertEqual('folder/file', p.rel_path)
|
|
|
|
for p in [None, '']:
|
|
self.assertRaises(ValueError, ds_util.DatastorePath.parse, p)
|
|
|
|
for p in ['bad path', '/a/b/c', 'a/b/c']:
|
|
self.assertRaises(IndexError, ds_util.DatastorePath.parse, p)
|