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# Copyright 2016 IBM Corp.
#
# 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.
from unittest import mock
from cinderclient import exceptions as cinder_exceptions
from nova import test
from nova.tests import fixtures as nova_fixtures
from nova.tests.functional.api import client
class TestCinderForbidden(test.TestCase):
def setUp(self):
super(TestCinderForbidden, self).setUp()
self.useFixture(nova_fixtures.RealPolicyFixture())
api_fixture = self.useFixture(nova_fixtures.OSAPIFixture(
api_version='v2.1'))
self.api = api_fixture.api
@mock.patch('nova.volume.cinder.cinderclient')
def test_forbidden_cinder_operation_returns_403(self, mock_cinder):
"""Regression test for bug #1554631.
When the Cinder client returns a 403 Forbidden on any operation,
the Nova API should forward on the 403 instead of returning 500.
"""
cinder_client = mock.Mock()
mock_cinder.return_value = cinder_client
exc = cinder_exceptions.Forbidden(403)
cinder_client.volumes.create.side_effect = exc
volume = {'display_name': 'vol1', 'size': 3}
e = self.assertRaises(client.OpenStackApiException,
self.api.post_volume, {'volume': volume})
self.assertEqual(403, e.response.status_code)
class TestCinderOverLimit(test.TestCase):
def setUp(self):
super(TestCinderOverLimit, self).setUp()
self.useFixture(nova_fixtures.RealPolicyFixture())
api_fixture = self.useFixture(nova_fixtures.OSAPIFixture(
api_version='v2.1'))
self.api = api_fixture.api
@mock.patch('nova.volume.cinder.cinderclient')
def test_over_limit_volumes_with_message(self, mock_cinder):
"""Regression test for bug #1680457.
When the Cinder client returns OverLimit when trying to create
a volume, an OverQuota exception should be raised.
"""
cinder_client = mock.Mock()
mock_cinder.return_value = cinder_client
msg = ("VolumeSizeExceedsLimit: Requested volume size XG is larger"
" than maximum allowed limit YG.")
exc = cinder_exceptions.OverLimit(413, message=msg)
cinder_client.volumes.create.side_effect = exc
volume = {'display_name': 'vol1', 'size': 3}
e = self.assertRaises(client.OpenStackApiException,
self.api.post_volume, {'volume': volume})
self.assertEqual(403, e.response.status_code)
# Make sure we went over on volumes
self.assertIn('VolumeSizeExceedsLimit', e.response.text)
@mock.patch('nova.volume.cinder.cinderclient')
def test_over_limit_snapshots(self, mock_cinder):
"""Regression test for bug #1554631.
When the Cinder client returns OverLimit when trying to create a
snapshot, an OverQuota exception should be raised with the value being
snapshots.
"""
self._do_snapshot_over_test(mock_cinder)
@mock.patch('nova.volume.cinder.cinderclient')
def test_over_limit_snapshots_force(self, mock_cinder):
"""Regression test for bug #1554631.
When the Cinder client returns OverLimit when trying to create a
snapshot, an OverQuota exception should be raised with the value being
snapshots. (create_snapshot_force version)
"""
self._do_snapshot_over_test(mock_cinder, force=True)
def _do_snapshot_over_test(self, mock_cinder, force=False):
cinder_client = mock.Mock()
mock_cinder.return_value = cinder_client
exc = cinder_exceptions.OverLimit(413)
cinder_client.volume_snapshots.create.side_effect = exc
snap = {'display_name': 'snap1',
'volume_id': '521752a6-acf6-4b2d-bc7a-119f9148cd8c',
'force': force}
e = self.assertRaises(client.OpenStackApiException,
self.api.post_snapshot, {'snapshot': snap})
self.assertEqual(403, e.response.status_code)
# Make sure we went over on snapshots
self.assertIn('snapshots', e.response.text)
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