290 lines
13 KiB
Python
290 lines
13 KiB
Python
# Copyright (c) 2016 Chuck Fouts. 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 mock
|
|
|
|
from cinder import context
|
|
from cinder import db
|
|
from cinder import exception
|
|
from cinder import objects
|
|
from cinder import quota
|
|
from cinder.tests.unit import fake_constants as fake
|
|
from cinder.tests.unit import fake_volume
|
|
from cinder.tests.unit import utils as tests_utils
|
|
from cinder.tests.unit import volume as base
|
|
from cinder.volume.flows.manager import manage_existing
|
|
from cinder.volume import manager
|
|
from cinder.volume import utils
|
|
|
|
FAKE_HOST_POOL = 'volPool'
|
|
FAKE_HOST = 'hostname@backend'
|
|
|
|
QUOTAS = quota.QUOTAS
|
|
|
|
|
|
class ManageVolumeTestCase(base.BaseVolumeTestCase):
|
|
|
|
def setUp(self):
|
|
super(ManageVolumeTestCase, self).setUp()
|
|
self.context = context.RequestContext(fake.USER_ID, fake.PROJECT_ID,
|
|
True)
|
|
self.manager = manager.VolumeManager()
|
|
self.manager.stats = {'allocated_capacity_gb': 0, 'pools': {}}
|
|
|
|
@staticmethod
|
|
def _stub_volume_object_get(cls, host=FAKE_HOST):
|
|
volume = {
|
|
'id': fake.VOLUME_ID,
|
|
'size': 1,
|
|
'name': fake.VOLUME_NAME,
|
|
'host': host,
|
|
}
|
|
return fake_volume.fake_volume_obj(cls.context, **volume)
|
|
|
|
def test_manage_existing(self):
|
|
volume_object = self._stub_volume_object_get(self)
|
|
mock_run_flow_engine = self.mock_object(
|
|
self.manager, '_run_manage_existing_flow_engine',
|
|
return_value=volume_object)
|
|
mock_update_volume_stats = self.mock_object(
|
|
self.manager, '_update_stats_for_managed')
|
|
|
|
result = self.manager.manage_existing(self.context, volume_object)
|
|
|
|
self.assertEqual(fake.VOLUME_ID, result)
|
|
mock_run_flow_engine.assert_called_once_with(self.context,
|
|
volume_object,
|
|
None)
|
|
mock_update_volume_stats.assert_called_once_with(volume_object)
|
|
|
|
def test_manage_existing_with_volume_object(self):
|
|
volume_object = self._stub_volume_object_get(self)
|
|
mock_object_volume = self.mock_object(objects.Volume, 'get_by_id')
|
|
mock_run_flow_engine = self.mock_object(
|
|
self.manager, '_run_manage_existing_flow_engine',
|
|
return_value=volume_object)
|
|
mock_update_volume_stats = self.mock_object(
|
|
self.manager, '_update_stats_for_managed')
|
|
|
|
result = self.manager.manage_existing(
|
|
self.context, volume_object)
|
|
|
|
self.assertEqual(fake.VOLUME_ID, result)
|
|
mock_object_volume.assert_not_called()
|
|
mock_run_flow_engine.assert_called_once_with(self.context,
|
|
volume_object,
|
|
None)
|
|
mock_update_volume_stats.assert_called_once_with(volume_object)
|
|
|
|
def test_run_manage_existing_flow_engine(self):
|
|
mock_volume = mock.Mock()
|
|
volume_object = self._stub_volume_object_get(self)
|
|
|
|
mock_flow_engine = mock.Mock()
|
|
mock_flow_engine_run = self.mock_object(mock_flow_engine, 'run')
|
|
mock_flow_engine_fetch = self.mock_object(
|
|
mock_flow_engine.storage, 'fetch', return_value=volume_object)
|
|
mock_get_flow = self.mock_object(
|
|
manage_existing, 'get_flow', return_value=mock_flow_engine)
|
|
|
|
result = self.manager._run_manage_existing_flow_engine(self.context,
|
|
mock_volume,
|
|
None)
|
|
|
|
self.assertEqual(volume_object, result)
|
|
|
|
mock_get_flow.assert_called_once_with(self.context,
|
|
self.manager.db,
|
|
self.manager.driver,
|
|
self.manager.host,
|
|
mock_volume,
|
|
None)
|
|
mock_flow_engine_run.assert_called_once_with()
|
|
mock_flow_engine_fetch.assert_called_once_with('volume')
|
|
|
|
def test_run_manage_existing_flow_engine_exception(self):
|
|
mock_get_flow = self.mock_object(
|
|
manage_existing, 'get_flow', side_effect=Exception)
|
|
volume_object = self._stub_volume_object_get(self)
|
|
self.assertRaises(exception.CinderException,
|
|
self.manager._run_manage_existing_flow_engine,
|
|
self.context,
|
|
volume_object,
|
|
None)
|
|
|
|
mock_get_flow.assert_called_once_with(self.context,
|
|
self.manager.db,
|
|
self.manager.driver,
|
|
self.manager.host,
|
|
volume_object,
|
|
None)
|
|
|
|
def test_update_stats_for_managed(self):
|
|
volume_object = self._stub_volume_object_get(self,
|
|
host=FAKE_HOST +
|
|
'#volPool')
|
|
self.manager._update_stats_for_managed(volume_object)
|
|
backend_stats = self.manager.stats['pools'][FAKE_HOST_POOL]
|
|
self.assertEqual(
|
|
1, backend_stats['allocated_capacity_gb'])
|
|
|
|
def test_update_stats_for_managed_no_pool(self):
|
|
safe_get_backend = 'safe_get_backend'
|
|
volume_obj = self._stub_volume_object_get(self)
|
|
mock_safe_get = self.mock_object(
|
|
self.manager.driver.configuration, 'safe_get',
|
|
return_value=safe_get_backend)
|
|
|
|
self.manager._update_stats_for_managed(volume_obj)
|
|
|
|
mock_safe_get.assert_called_once_with('volume_backend_name')
|
|
backend_stats = self.manager.stats['pools'][safe_get_backend]
|
|
self.assertEqual(1, backend_stats['allocated_capacity_gb'])
|
|
|
|
def test_update_stats_for_managed_default_backend(self):
|
|
volume_obj = self._stub_volume_object_get(self)
|
|
mock_safe_get = self.mock_object(
|
|
self.manager.driver.configuration, 'safe_get', return_value=None)
|
|
|
|
self.manager._update_stats_for_managed(volume_obj)
|
|
|
|
mock_safe_get.assert_called_once_with('volume_backend_name')
|
|
backend_stats = self.manager.stats['pools'][utils.DEFAULT_POOL_NAME]
|
|
self.assertEqual(1, backend_stats['allocated_capacity_gb'])
|
|
|
|
def test_update_stats_key_error(self):
|
|
self.manager.stats = {}
|
|
|
|
self.assertRaises(
|
|
KeyError, self.manager._update_stats_for_managed,
|
|
self._stub_volume_object_get(self))
|
|
|
|
@mock.patch('cinder.volume.drivers.lvm.LVMVolumeDriver.'
|
|
'manage_existing')
|
|
@mock.patch('cinder.volume.drivers.lvm.LVMVolumeDriver.'
|
|
'manage_existing_get_size')
|
|
@mock.patch('cinder.volume.utils.notify_about_volume_usage')
|
|
def test_manage_volume_with_notify(self, mock_notify, mock_size,
|
|
mock_manage):
|
|
elevated = context.get_admin_context()
|
|
vol_type = db.volume_type_create(
|
|
elevated, {'name': 'type1', 'extra_specs': {}})
|
|
# create source volume
|
|
volume_params = {'volume_type_id': vol_type.id, 'status': 'managing'}
|
|
test_vol = tests_utils.create_volume(self.context, **volume_params)
|
|
mock_size.return_value = 1
|
|
mock_manage.return_value = None
|
|
|
|
self.volume.manage_existing(self.context, test_vol, 'volume_ref')
|
|
mock_notify.assert_called_with(self.context, test_vol,
|
|
'manage_existing.end',
|
|
host=test_vol.host)
|
|
|
|
@mock.patch('cinder.volume.drivers.lvm.LVMVolumeDriver.'
|
|
'manage_existing_get_size')
|
|
@mock.patch('cinder.volume.flows.manager.manage_existing.'
|
|
'ManageExistingTask.execute')
|
|
def test_manage_volume_raise_driver_exception(self, mock_execute,
|
|
mock_driver_get_size):
|
|
elevated = context.get_admin_context()
|
|
project_id = self.context.project_id
|
|
db.volume_type_create(elevated, {'name': 'type1', 'extra_specs': {}})
|
|
vol_type = db.volume_type_get_by_name(elevated, 'type1')
|
|
# create source volume
|
|
self.volume_params['volume_type_id'] = vol_type['id']
|
|
self.volume_params['status'] = 'managing'
|
|
test_vol = tests_utils.create_volume(self.context,
|
|
**self.volume_params)
|
|
mock_execute.side_effect = exception.VolumeBackendAPIException(
|
|
data="volume driver got exception")
|
|
mock_driver_get_size.return_value = 1
|
|
# Set quota usage
|
|
reserve_opts = {'volumes': 1, 'gigabytes': 1}
|
|
reservations = QUOTAS.reserve(self.context, project_id=project_id,
|
|
**reserve_opts)
|
|
QUOTAS.commit(self.context, reservations)
|
|
usage = db.quota_usage_get(self.context, project_id, 'volumes')
|
|
volumes_in_use = usage.in_use
|
|
usage = db.quota_usage_get(self.context, project_id, 'gigabytes')
|
|
gigabytes_in_use = usage.in_use
|
|
|
|
self.assertRaises(exception.VolumeBackendAPIException,
|
|
self.volume.manage_existing,
|
|
self.context, test_vol,
|
|
'volume_ref')
|
|
# check volume status
|
|
volume = objects.Volume.get_by_id(context.get_admin_context(),
|
|
test_vol.id)
|
|
self.assertEqual('error_managing', volume.status)
|
|
# Delete this volume with 'error_managing_deleting' status in c-vol.
|
|
test_vol.status = 'error_managing_deleting'
|
|
test_vol.save()
|
|
self.volume.delete_volume(self.context, test_vol)
|
|
ctxt = context.get_admin_context(read_deleted='yes')
|
|
volume = objects.Volume.get_by_id(ctxt, test_vol.id)
|
|
self.assertEqual('deleted', volume.status)
|
|
# Get in_use number after deleting error_managing volume
|
|
usage = db.quota_usage_get(self.context, project_id, 'volumes')
|
|
volumes_in_use_new = usage.in_use
|
|
self.assertEqual(volumes_in_use, volumes_in_use_new)
|
|
usage = db.quota_usage_get(self.context, project_id, 'gigabytes')
|
|
gigabytes_in_use_new = usage.in_use
|
|
self.assertEqual(gigabytes_in_use, gigabytes_in_use_new)
|
|
|
|
@mock.patch('cinder.volume.drivers.lvm.LVMVolumeDriver.'
|
|
'manage_existing_get_size')
|
|
def test_manage_volume_raise_driver_size_exception(self,
|
|
mock_driver_get_size):
|
|
elevated = context.get_admin_context()
|
|
project_id = self.context.project_id
|
|
db.volume_type_create(elevated, {'name': 'type1', 'extra_specs': {}})
|
|
# create source volume
|
|
test_vol = tests_utils.create_volume(self.context,
|
|
**self.volume_params)
|
|
mock_driver_get_size.side_effect = exception.VolumeBackendAPIException(
|
|
data="volume driver got exception")
|
|
|
|
# Set quota usage
|
|
reserve_opts = {'volumes': 1, 'gigabytes': 1}
|
|
reservations = QUOTAS.reserve(self.context, project_id=project_id,
|
|
**reserve_opts)
|
|
QUOTAS.commit(self.context, reservations)
|
|
usage = db.quota_usage_get(self.context, project_id, 'volumes')
|
|
volumes_in_use = usage.in_use
|
|
usage = db.quota_usage_get(self.context, project_id, 'gigabytes')
|
|
gigabytes_in_use = usage.in_use
|
|
|
|
self.assertRaises(exception.VolumeBackendAPIException,
|
|
self.volume.manage_existing,
|
|
self.context, test_vol,
|
|
'volume_ref')
|
|
# check volume status
|
|
volume = objects.Volume.get_by_id(context.get_admin_context(),
|
|
test_vol.id)
|
|
self.assertEqual('error_managing', volume.status)
|
|
# Delete this volume with 'error_managing_deleting' status in c-vol.
|
|
test_vol.status = 'error_managing_deleting'
|
|
test_vol.save()
|
|
self.volume.delete_volume(self.context, test_vol)
|
|
ctxt = context.get_admin_context(read_deleted='yes')
|
|
volume = objects.Volume.get_by_id(ctxt, test_vol.id)
|
|
self.assertEqual('deleted', volume.status)
|
|
# Get in_use number after raising exception
|
|
usage = db.quota_usage_get(self.context, project_id, 'volumes')
|
|
volumes_in_use_new = usage.in_use
|
|
self.assertEqual(volumes_in_use, volumes_in_use_new)
|
|
usage = db.quota_usage_get(self.context, project_id, 'gigabytes')
|
|
gigabytes_in_use_new = usage.in_use
|
|
self.assertEqual(gigabytes_in_use, gigabytes_in_use_new)
|