379 lines
14 KiB
Python
379 lines
14 KiB
Python
# Copyright 2016 Nexenta Systems, 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 ddt
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import mock
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from mock import patch
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from oslo_utils import units
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from manila import context
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from manila import exception
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from manila.share import configuration as conf
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from manila.share.drivers.nexenta.ns5 import nexenta_nas
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from manila import test
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PATH_TO_RPC = 'manila.share.drivers.nexenta.ns5.jsonrpc.NexentaJSONProxy'
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DRV_PATH = 'manila.share.drivers.nexenta.ns5.nexenta_nas.NexentaNasDriver'
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@ddt.ddt
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class TestNexentaNasDriver(test.TestCase):
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def setUp(self):
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def _safe_get(opt):
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return getattr(self.cfg, opt)
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self.cfg = conf.Configuration(None)
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self.cfg.nexenta_host = '1.1.1.1'
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super(TestNexentaNasDriver, self).setUp()
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self.ctx = context.get_admin_context()
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self.mock_object(
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self.cfg, 'safe_get', mock.Mock(side_effect=_safe_get))
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self.cfg.nexenta_rest_port = 8080
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self.cfg.nexenta_rest_protocol = 'auto'
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self.cfg.nexenta_pool = 'pool1'
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self.cfg.reserved_share_percentage = 0
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self.cfg.nexenta_nfs_share = 'nfs_share'
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self.cfg.nexenta_user = 'user'
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self.cfg.share_backend_name = 'NexentaStor5'
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self.cfg.nexenta_password = 'password'
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self.cfg.nexenta_thin_provisioning = False
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self.cfg.nexenta_mount_point_base = 'mnt'
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self.cfg.enabled_share_protocols = 'NFS'
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self.cfg.nexenta_mount_point_base = '$state_path/mnt'
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self.cfg.nexenta_dataset_compression = 'on'
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self.cfg.network_config_group = 'DEFAULT'
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self.cfg.admin_network_config_group = (
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'fake_admin_network_config_group')
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self.cfg.driver_handles_share_servers = False
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self.drv = nexenta_nas.NexentaNasDriver(configuration=self.cfg)
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self.drv.do_setup(self.ctx)
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self.mock_rpc = self.mock_class(PATH_TO_RPC)
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self.pool_name = self.cfg.nexenta_pool
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self.fs_prefix = self.cfg.nexenta_nfs_share
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def test_backend_name(self):
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self.assertEqual('NexentaStor5', self.drv.share_backend_name)
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@patch('%s._get_provisioned_capacity' % DRV_PATH)
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def test_check_for_setup_error(self, mock_provisioned):
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self.drv.nef.get.return_value = None
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self.assertRaises(LookupError, self.drv.check_for_setup_error)
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@patch('%s._get_provisioned_capacity' % DRV_PATH)
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def test_check_for_setup_error__none(self, mock_provisioned):
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self.drv.nef.get.return_value = {
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'data': [{'filesystem': 'pool1/nfs_share', 'quotaSize': 1}]
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}
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self.assertIsNone(self.drv.check_for_setup_error())
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@patch('%s._get_provisioned_capacity' % DRV_PATH)
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def test_check_for_setup_error__with_data(self, mock_provisioned):
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self.drv.nef.get.return_value = {
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'data': [{'filesystem': 'asd', 'quotaSize': 1}]}
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self.assertRaises(LookupError, self.drv.check_for_setup_error)
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def test__get_provisioned_capacity(self):
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self.drv.nef.get.return_value = {
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'data': [
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{'path': 'pool1/nfs_share/123', 'quotaSize': 1 * units.Gi}]
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}
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self.drv._get_provisioned_capacity()
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self.assertEqual(1, self.drv.provisioned_capacity)
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def test_create_share(self):
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share = {'name': 'share', 'size': 1}
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self.assertEqual(
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[{
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'path': '{}:/{}/{}/{}'.format(
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self.cfg.nexenta_host, self.pool_name,
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self.fs_prefix, share['name'])
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}],
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self.drv.create_share(self.ctx, share))
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@patch('%s.delete_share' % DRV_PATH)
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@patch('%s._add_permission' % DRV_PATH)
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def test_create_share__error_on_add_permission(
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self, add_permission_mock, delete_share):
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share = {'name': 'share', 'size': 1}
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add_permission_mock.side_effect = exception.NexentaException(
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'An error occurred while adding permission')
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delete_share.side_effect = exception.NexentaException(
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'An error occurred while deleting')
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self.assertRaises(
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exception.NexentaException, self.drv.create_share, self.ctx, share)
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def test_create_share_from_snapshot(self):
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share = {'name': 'share', 'size': 1}
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snapshot = {'name': 'share@first', 'share_name': 'share'}
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self.assertEqual(
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[{
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'path': '{}:/{}/{}/{}'.format(
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self.cfg.nexenta_host, self.pool_name,
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self.fs_prefix, share['name'])
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}],
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self.drv.create_share_from_snapshot(self.ctx, share, snapshot)
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)
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@patch('%s.delete_share' % DRV_PATH)
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@patch('%s._add_permission' % DRV_PATH)
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def test_create_share_from_snapshot__add_permission_error(
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self, add_permission_mock, delete_share):
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share = {'name': 'share', 'size': 1}
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snapshot = {'share_name': 'share', 'name': 'share@first'}
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delete_share.side_effect = exception.NexentaException(
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'An error occurred while deleting')
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add_permission_mock.side_effect = exception.NexentaException(
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'Some exception')
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self.assertRaises(
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exception.NexentaException, self.drv.create_share_from_snapshot,
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self.ctx, share, snapshot)
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@patch('%s._add_permission' % DRV_PATH)
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def test_create_share_from_snapshot__add_permission_error_error(
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self, add_permission_mock):
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share = {'name': 'share', 'size': 1}
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snapshot = {'share_name': 'share', 'name': 'share@first'}
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add_permission_mock.side_effect = exception.NexentaException(
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'Some exception')
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self.drv.nef.delete.side_effect = exception.NexentaException(
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'Some exception 2')
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self.assertRaises(
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exception.NexentaException, self.drv.create_share_from_snapshot,
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self.ctx, share, snapshot)
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def test_delete_share(self):
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share = {'name': 'share', 'size': 1}
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self.assertIsNone(self.drv.delete_share(self.ctx, share))
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def test_extend_share(self):
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share = {'name': 'share', 'size': 1}
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new_size = 2
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quota = new_size * units.Gi
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data = {
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'reservationSize': quota,
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'quotaSize': quota,
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}
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url = 'storage/pools/{}/filesystems/{}%2F{}'.format(
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self.pool_name, self.fs_prefix, share['name'])
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self.drv.extend_share(share, new_size)
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self.drv.nef.post.assert_called_with(url, data)
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def test_shrink_share(self):
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share = {'name': 'share', 'size': 2}
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new_size = 1
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quota = new_size * units.Gi
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data = {
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'reservationSize': quota,
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'quotaSize': quota
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}
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url = 'storage/pools/{}/filesystems/{}%2F{}'.format(
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self.pool_name, self.fs_prefix, share['name'])
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self.drv.nef.get.return_value = {'bytesUsed': 512}
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self.drv.shrink_share(share, new_size)
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self.drv.nef.post.assert_called_with(url, data)
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def test_create_snapshot(self):
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snapshot = {'share_name': 'share', 'name': 'share@first'}
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url = 'storage/pools/%(pool)s/filesystems/%(fs)s/snapshots' % {
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'pool': self.pool_name,
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'fs': nexenta_nas.PATH_DELIMITER.join(
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[self.fs_prefix, snapshot['share_name']])
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}
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data = {'name': snapshot['name']}
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self.drv.create_snapshot(self.ctx, snapshot)
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self.drv.nef.post.assert_called_with(url, data)
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def test_delete_snapshot(self):
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self.mock_rpc.side_effect = exception.NexentaException(
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'err', code='ENOENT')
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snapshot = {'share_name': 'share', 'name': 'share@first'}
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self.assertIsNone(self.drv.delete_snapshot(self.ctx, snapshot))
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self.mock_rpc.side_effect = exception.NexentaException(
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'err', code='somecode')
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self.assertRaises(
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exception.NexentaException, self.drv.delete_snapshot,
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self.ctx, snapshot)
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def build_access_security_context(self, level, ip, mask=None):
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ls = [{"allow": True, "etype": "network", "entity": ip}]
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if mask is not None:
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ls[0]['mask'] = mask
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new_sc = {
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"securityModes": ["sys"],
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}
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if level == 'rw':
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new_sc['readWriteList'] = ls
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elif level == 'ro':
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new_sc['readOnlyList'] = ls
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else:
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raise exception.ManilaException('Wrong access level')
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return new_sc
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def test_update_access__unsupported_access_type(self):
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share = {'name': 'share', 'size': 1}
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access = {
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'access_type': 'group',
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'access_to': 'ordinary_users',
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'access_level': 'rw'
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}
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self.assertRaises(exception.InvalidShareAccess, self.drv.update_access,
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self.ctx, share, [access], None, None)
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def test_update_access__cidr(self):
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share = {'name': 'share', 'size': 1}
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access = {
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'access_type': 'ip',
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'access_to': '1.1.1.1/24',
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'access_level': 'rw'
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}
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url = 'nas/nfs/' + nexenta_nas.PATH_DELIMITER.join(
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(self.pool_name, self.fs_prefix, share['name']))
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self.drv.nef.get.return_value = {}
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self.drv.update_access(self.ctx, share, [access], None, None)
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self.drv.nef.put.assert_called_with(
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url, {'securityContexts': [
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self.build_access_security_context('rw', '1.1.1.1', 24)]})
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def test_update_access__ip(self):
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share = {'name': 'share', 'size': 1}
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access = {
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'access_type': 'ip',
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'access_to': '1.1.1.1',
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'access_level': 'rw'
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}
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url = 'nas/nfs/' + nexenta_nas.PATH_DELIMITER.join(
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(self.pool_name, self.fs_prefix, share['name']))
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self.drv.nef.get.return_value = {}
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self.drv.update_access(self.ctx, share, [access], None, None)
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self.drv.nef.put.assert_called_with(
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url, {'securityContexts': [
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self.build_access_security_context('rw', '1.1.1.1')]})
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@ddt.data('rw', 'ro')
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def test_update_access__cidr_wrong_mask(self, access_level):
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share = {'name': 'share', 'size': 1}
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access = {
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'access_type': 'ip',
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'access_to': '1.1.1.1/aa',
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'access_level': access_level,
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}
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self.assertRaises(exception.InvalidInput, self.drv.update_access,
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self.ctx, share, [access], None, None)
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def test_update_access__one_ip_ro_add_rule_to_existing(self):
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share = {'name': 'share', 'size': 1}
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access = [
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{
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'access_type': 'ip',
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'access_to': '5.5.5.5',
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'access_level': 'ro'
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},
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{
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'access_type': 'ip',
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'access_to': '1.1.1.1/24',
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'access_level': 'rw'
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}
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]
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url = 'nas/nfs/' + nexenta_nas.PATH_DELIMITER.join(
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(self.pool_name, self.fs_prefix, share['name']))
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sc = self.build_access_security_context('rw', '1.1.1.1', 24)
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self.drv.nef.get.return_value = {'securityContexts': [sc]}
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self.drv.update_access(self.ctx, share, access, None, None)
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self.drv.nef.put.assert_called_with(
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url, {'securityContexts': [
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sc, self.build_access_security_context('ro', '5.5.5.5')]})
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def test_update_access__one_ip_ro_add_rule_to_existing_wrong_mask(
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self):
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share = {'name': 'share', 'size': 1}
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access = [
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{
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'access_type': 'ip',
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'access_to': '5.5.5.5/aa',
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'access_level': 'ro'
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},
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{
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'access_type': 'ip',
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'access_to': '1.1.1.1/24',
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'access_level': 'rw'
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}
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]
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sc = self.build_access_security_context('rw', '1.1.1.1', 24)
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self.drv.nef.get.return_value = {'securityContexts': [sc]}
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self.assertRaises(exception.InvalidInput, self.drv.update_access,
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self.ctx, share, access, None, None)
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@patch('%s._get_capacity_info' % DRV_PATH)
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@patch('manila.share.driver.ShareDriver._update_share_stats')
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def test_update_share_stats(self, super_stats, info):
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info.return_value = (100, 90, 10)
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stats = {
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'vendor_name': 'Nexenta',
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'storage_protocol': 'NFS',
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'nfs_mount_point_base': self.cfg.nexenta_mount_point_base,
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'driver_version': '1.0',
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'share_backend_name': self.cfg.share_backend_name,
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'pools': [{
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'pool_name': 'pool1',
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'total_capacity_gb': 100,
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'free_capacity_gb': 90,
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'provisioned_capacity_gb': 0,
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'max_over_subscription_ratio': 20.0,
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'reserved_percentage': (
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self.cfg.reserved_share_percentage),
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'thin_provisioning': self.cfg.nexenta_thin_provisioning,
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}],
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}
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self.drv._update_share_stats()
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self.assertEqual(stats, self.drv._stats)
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def test_get_capacity_info(self):
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self.drv.nef.get.return_value = {
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'bytesAvailable': 10 * units.Gi, 'bytesUsed': 1 * units.Gi}
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self.assertEqual((10, 9, 1), self.drv._get_capacity_info())
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