Files
watcher/watcher/tests/decision_engine/scope/test_storage.py
licanwei 9e00d1bb1f Fix wrong audit scope
Closes-Bug #1792368

Change-Id: I3349cbe9ad66233b1b28ffb3c76e003432a843a1
2018-09-14 10:59:25 +08:00

212 lines
9.4 KiB
Python

# -*- encoding: utf-8 -*-
# Copyright (c) 2018 NEC Corportion
#
# 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 watcher.common import cinder_helper
from watcher.common import exception
from watcher.decision_engine.scope import storage
from watcher.tests import base
from watcher.tests.decision_engine.model import faker_cluster_state
from watcher.tests.decision_engine.scope import fake_scopes
class TestStorageScope(base.TestCase):
def setUp(self):
super(TestStorageScope, self).setUp()
self.fake_cluster = faker_cluster_state.FakerStorageModelCollector()
@mock.patch.object(cinder_helper.CinderHelper, 'get_storage_node_list')
def test_get_scoped_model_with_zones_pools_volumes(self, mock_zone_list):
cluster = self.fake_cluster.generate_scenario_1()
audit_scope = fake_scopes.fake_scope_2
mock_zone_list.return_value = [
mock.Mock(zone='zone_{0}'.format(i),
host='host_{0}@backend_{1}'.format(i, i))
for i in range(2)]
model = storage.StorageScope(audit_scope, mock.Mock(),
osc=mock.Mock()).get_scoped_model(cluster)
expected_edges = [('VOLUME_0', 'host_0@backend_0#pool_0'),
('host_0@backend_0#pool_0', 'host_0@backend_0')]
self.assertEqual(sorted(expected_edges), sorted(model.edges()))
@mock.patch.object(cinder_helper.CinderHelper, 'get_storage_node_list')
def test_get_scoped_model_without_scope(self, mock_zone_list):
cluster = self.fake_cluster.generate_scenario_1()
storage.StorageScope([], mock.Mock(),
osc=mock.Mock()).get_scoped_model(cluster)
assert not mock_zone_list.called
@mock.patch.object(cinder_helper.CinderHelper, 'get_storage_node_list')
def test_collect_zones(self, mock_zone_list):
allowed_nodes = []
az_scope = [{'name': 'zone_1'}]
mock_zone_list.return_value = [
mock.Mock(zone='zone_{0}'.format(i),
host='host_{0}@backend_{1}'.format(i, i))
for i in range(2)]
storage.StorageScope([{'availability _zones': az_scope}],
mock.Mock(), osc=mock.Mock())._collect_zones(
az_scope, allowed_nodes)
self.assertEqual(['host_1@backend_1'], sorted(allowed_nodes))
# storage scope with az wildcard
az_scope = [{'name': '*'}]
del allowed_nodes[:]
storage.StorageScope([{'availability _zones': az_scope}],
mock.Mock(), osc=mock.Mock())._collect_zones(
az_scope, allowed_nodes)
self.assertEqual(['host_0@backend_0', 'host_1@backend_1'],
sorted(allowed_nodes))
# storage scope with az wildcard and other
az_scope = [{'name': '*'}, {'name': 'zone_0'}]
del allowed_nodes[:]
scope_handler = storage.StorageScope(
[{'availability _zones': az_scope}], mock.Mock(), osc=mock.Mock())
self.assertRaises(exception.WildcardCharacterIsUsed,
scope_handler._collect_zones,
az_scope, allowed_nodes)
@mock.patch.object(cinder_helper.CinderHelper, 'get_storage_node_list')
@mock.patch.object(cinder_helper.CinderHelper,
'get_volume_type_by_backendname')
def test_collect_vtype(self, mock_vt_list, mock_zone_list):
allowed_nodes = []
mock_zone_list.return_value = [
mock.Mock(zone='zone_{0}'.format(i),
host='host_{0}@backend_{1}'.format(i, i))
for i in range(2)]
def side_effect(arg):
if arg == 'backend_0':
return ['type_0']
else:
return ['type_1']
mock_vt_list.side_effect = side_effect
vt_scope = [{'name': 'type_1'}]
storage.StorageScope([{'volume_types': vt_scope}],
mock.Mock(), osc=mock.Mock())._collect_vtype(
vt_scope, allowed_nodes)
self.assertEqual(['host_1@backend_1'], sorted(allowed_nodes))
# storage scope with vt wildcard
vt_scope = [{'name': '*'}]
del allowed_nodes[:]
storage.StorageScope([{'volume_types': vt_scope}],
mock.Mock(), osc=mock.Mock())._collect_vtype(
vt_scope, allowed_nodes)
self.assertEqual(['host_0@backend_0', 'host_1@backend_1'],
sorted(allowed_nodes))
# storage scope with vt wildcard and other
vt_scope = [{'name': '*'}, {'name': 'type_0'}]
del allowed_nodes[:]
scope_handler = storage.StorageScope([{'volume_types': vt_scope}],
mock.Mock(), osc=mock.Mock())
self.assertRaises(exception.WildcardCharacterIsUsed,
scope_handler._collect_vtype,
vt_scope, allowed_nodes)
def test_exclude_resources(self):
pools_to_exclude = []
projects_to_exclude = []
volumes_to_exclude = []
resources = [{'volumes': [{'uuid': 'VOLUME_1'},
{'uuid': 'VOLUME_2'}]
},
{'storage_pools': [{'name': 'host_0@backend_0#pool_1'},
{'name': 'host_1@backend_1#pool_1'}]
},
{'projects': [{'uuid': 'PROJECT_1'},
{'uuid': 'PROJECT_2'},
{'uuid': 'PROJECT_3'}]
}
]
storage.StorageScope(resources, mock.Mock(),
osc=mock.Mock()).exclude_resources(
resources, pools=pools_to_exclude, projects=projects_to_exclude,
volumes=volumes_to_exclude)
self.assertEqual(['VOLUME_1', 'VOLUME_2'], volumes_to_exclude)
self.assertEqual(['PROJECT_1', 'PROJECT_2', 'PROJECT_3'],
projects_to_exclude)
self.assertEqual(['host_0@backend_0#pool_1',
'host_1@backend_1#pool_1'], pools_to_exclude)
def test_exclude_volumes(self):
cluster = self.fake_cluster.generate_scenario_1()
exclude = ['VOLUME_0', 'VOLUME_3']
storage.StorageScope([], mock.Mock(),
osc=mock.Mock()).exclude_volumes(exclude,
cluster)
self.assertNotIn(exclude[0], cluster.get_all_volumes().keys())
self.assertNotIn(exclude[1], cluster.get_all_volumes().keys())
def test_exclude_pools(self):
cluster = self.fake_cluster.generate_scenario_1()
exclude = ['host_0@backend_0#pool_0']
node_name = (exclude[0].split('#'))[0]
storage.StorageScope([], mock.Mock(),
osc=mock.Mock()).exclude_pools(exclude,
cluster)
node = cluster.get_node_by_name(node_name)
self.assertNotIn(exclude, cluster.get_node_pools(node))
def test_exclude_projects(self):
cluster = self.fake_cluster.generate_scenario_1()
exclude = ['project_1', 'project_2']
storage.StorageScope([], mock.Mock(),
osc=mock.Mock()).exclude_projects(exclude,
cluster)
projects = []
volumes = cluster.get_all_volumes()
for volume_id in volumes:
volume = volumes.get(volume_id)
projects.append(volume.get('project_id'))
self.assertNotIn(exclude[0], projects)
self.assertNotIn(exclude[1], projects)
def test_remove_nodes_from_model(self):
cluster = self.fake_cluster.generate_scenario_1()
nodes_to_remove = ['host_0@backend_0']
storage.StorageScope([], mock.Mock(),
osc=mock.Mock()).remove_nodes_from_model(
nodes_to_remove, cluster)
self.assertEqual(['host_1@backend_1'],
list(cluster.get_all_storage_nodes()))
@mock.patch.object(cinder_helper.CinderHelper, 'get_storage_node_list')
def test_get_scoped_model_with_multi_scopes(self, mock_zone_list):
cluster = self.fake_cluster.generate_scenario_1()
# includes storage and compute scope
audit_scope = []
audit_scope.extend(fake_scopes.fake_scope_2)
audit_scope.extend(fake_scopes.fake_scope_1)
mock_zone_list.return_value = [
mock.Mock(zone='zone_{0}'.format(i),
host='host_{0}@backend_{1}'.format(i, i))
for i in range(2)]
model = storage.StorageScope(audit_scope, mock.Mock(),
osc=mock.Mock()).get_scoped_model(cluster)
expected_edges = [('VOLUME_0', 'host_0@backend_0#pool_0'),
('host_0@backend_0#pool_0', 'host_0@backend_0')]
self.assertEqual(sorted(expected_edges), sorted(model.edges()))