Source code for ironic.tests.unit.db.test_volume_targets
# Copyright 2016 Hitachi, Ltc
#
# 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.
"""Tests for manipulating VolumeTargets via the DB API"""
from oslo_utils import uuidutils
import six
from ironic.common import exception
from ironic.tests.unit.db import base
from ironic.tests.unit.db import utils as db_utils
[docs]class DbVolumeTargetTestCase(base.DbTestCase):
[docs] def setUp(self):
# This method creates a volume_target for every test.
super(DbVolumeTargetTestCase, self).setUp()
self.node = db_utils.create_test_node()
self.target = db_utils.create_test_volume_target(node_id=self.node.id)
[docs] def test_create_volume_target(self):
info = {'uuid': uuidutils.generate_uuid(),
'node_id': self.node.id,
'boot_index': 1,
'volume_type': 'iscsi',
'volume_id': '12345678'}
target = self.dbapi.create_volume_target(info)
self.assertEqual(info['uuid'], target.uuid)
self.assertEqual(info['node_id'], target.node_id)
self.assertEqual(info['boot_index'], target.boot_index)
self.assertEqual(info['volume_type'], target.volume_type)
self.assertEqual(info['volume_id'], target.volume_id)
self.assertIsNone(target.properties)
self.assertIsNone(target.extra)
[docs] def test_create_volume_target_duplicated_nodeid_and_bootindex(self):
self.assertRaises(exception.VolumeTargetBootIndexAlreadyExists,
db_utils.create_test_volume_target,
uuid=uuidutils.generate_uuid(),
node_id=self.target.node_id,
boot_index=self.target.boot_index)
[docs] def test_create_volume_target_duplicated_uuid(self):
self.assertRaises(exception.VolumeTargetAlreadyExists,
db_utils.create_test_volume_target,
uuid=self.target.uuid,
node_id=self.node.id,
boot_index=100)
[docs] def test_get_volume_target_by_id(self):
res = self.dbapi.get_volume_target_by_id(self.target.id)
self.assertEqual(self.target.volume_type, res.volume_type)
self.assertEqual(self.target.properties, res.properties)
self.assertEqual(self.target.boot_index, res.boot_index)
self.assertRaises(exception.VolumeTargetNotFound,
self.dbapi.get_volume_target_by_id,
100)
[docs] def test_get_volume_target_by_uuid(self):
res = self.dbapi.get_volume_target_by_uuid(self.target.uuid)
self.assertEqual(self.target.id, res.id)
self.assertRaises(exception.VolumeTargetNotFound,
self.dbapi.get_volume_target_by_uuid,
'11111111-2222-3333-4444-555555555555')
def _create_list_of_volume_targets(self, num):
uuids = [six.text_type(self.target.uuid)]
for i in range(1, num):
volume_target = db_utils.create_test_volume_target(
uuid=uuidutils.generate_uuid(),
properties={"target_iqn": "iqn.test-%s" % i},
boot_index=i)
uuids.append(six.text_type(volume_target.uuid))
return uuids
[docs] def test_get_volume_target_list(self):
uuids = self._create_list_of_volume_targets(6)
res = self.dbapi.get_volume_target_list()
res_uuids = [r.uuid for r in res]
six.assertCountEqual(self, uuids, res_uuids)
[docs] def test_get_volume_target_list_sorted(self):
uuids = self._create_list_of_volume_targets(5)
res = self.dbapi.get_volume_target_list(sort_key='uuid')
res_uuids = [r.uuid for r in res]
self.assertEqual(sorted(uuids), res_uuids)
self.assertRaises(exception.InvalidParameterValue,
self.dbapi.get_volume_target_list, sort_key='foo')
[docs] def test_get_volume_targets_by_node_id(self):
node2 = db_utils.create_test_node(uuid=uuidutils.generate_uuid())
target2 = db_utils.create_test_volume_target(
uuid=uuidutils.generate_uuid(), node_id=node2.id)
self._create_list_of_volume_targets(2)
res = self.dbapi.get_volume_targets_by_node_id(node2.id)
self.assertEqual(1, len(res))
self.assertEqual(target2.uuid, res[0].uuid)
[docs] def test_get_volume_targets_by_node_id_that_does_not_exist(self):
self.assertEqual([], self.dbapi.get_volume_targets_by_node_id(99))
[docs] def test_update_volume_target(self):
old_boot_index = self.target.boot_index
new_boot_index = old_boot_index + 1
res = self.dbapi.update_volume_target(self.target.id,
{'boot_index': new_boot_index})
self.assertEqual(new_boot_index, res.boot_index)
res = self.dbapi.update_volume_target(self.target.id,
{'boot_index': old_boot_index})
self.assertEqual(old_boot_index, res.boot_index)
[docs] def test_update_volume_target_uuid(self):
self.assertRaises(exception.InvalidParameterValue,
self.dbapi.update_volume_target,
self.target.id,
{'uuid': uuidutils.generate_uuid()})
[docs] def test_update_volume_target_fails_invalid_id(self):
self.assertRaises(exception.VolumeTargetNotFound,
self.dbapi.update_volume_target,
99,
{'boot_index': 6})
[docs] def test_update_volume_target_duplicated_nodeid_and_bootindex(self):
t = db_utils.create_test_volume_target(uuid=uuidutils.generate_uuid(),
boot_index=1)
self.assertRaises(exception.VolumeTargetBootIndexAlreadyExists,
self.dbapi.update_volume_target,
t.uuid,
{'boot_index': self.target.boot_index,
'node_id': self.target.node_id})
[docs] def test_destroy_volume_target(self):
self.dbapi.destroy_volume_target(self.target.id)
self.assertRaises(exception.VolumeTargetNotFound,
self.dbapi.get_volume_target_by_id,
self.target.id)
# Ensure that destroy_volume_target returns the expected exception.
self.assertRaises(exception.VolumeTargetNotFound,
self.dbapi.destroy_volume_target,
self.target.id)