# Copyright [2015] Hewlett-Packard Development Company, L.P. # 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 uuid from mock import Mock from mock import patch from novaclient import exceptions as nova_exceptions from trove.cluster.models import Cluster from trove.cluster.models import ClusterTasks from trove.cluster.models import DBCluster from trove.common import cfg from trove.common import exception from trove.common import remote from trove.common.strategies.cluster.experimental.redis import api as redis_api from trove.instance import models as inst_models from trove.instance.models import DBInstance from trove.instance.models import InstanceTasks from trove.quota.quota import QUOTAS from trove.taskmanager import api as task_api from trove.tests.unittests import trove_testtools CONF = cfg.CONF class FakeOptGroup(object): def __init__(self, cluster_member_count=3, volume_support=True, device_path='/dev/vdb'): self.cluster_member_count = cluster_member_count self.volume_support = volume_support self.device_path = device_path class ClusterTest(trove_testtools.TestCase): def setUp(self): super(ClusterTest, self).setUp() self.cluster_id = str(uuid.uuid4()) self.cluster_name = "Cluster" + self.cluster_id self.tenant_id = "23423432" self.dv_id = "1" self.db_info = DBCluster(ClusterTasks.NONE, id=self.cluster_id, name=self.cluster_name, tenant_id=self.tenant_id, datastore_version_id=self.dv_id, task_id=ClusterTasks.NONE._code) self.get_client_patch = patch.object(task_api.API, 'get_client') self.get_client_mock = self.get_client_patch.start() self.addCleanup(self.get_client_patch.stop) self.dbcreate_patch = patch.object(DBCluster, 'create', return_value=self.db_info) self.dbcreate_mock = self.dbcreate_patch.start() self.addCleanup(self.dbcreate_patch.stop) self.context = Mock() self.datastore = Mock() self.dv = Mock() self.dv.manager = "redis" self.datastore_version = self.dv self.cluster = redis_api.RedisCluster(self.context, self.db_info, self.datastore, self.datastore_version) self.instances_w_volumes = [{'volume_size': 1, 'flavor_id': '1234'}] * 3 self.instances_no_volumes = [{'flavor_id': '1234'}] * 3 def tearDown(self): super(ClusterTest, self).tearDown() @patch.object(remote, 'create_nova_client') def test_create_invalid_flavor_specified(self, mock_client): (mock_client.return_value.flavors.get) = Mock( side_effect=nova_exceptions.NotFound( 404, "Flavor id not found %s" % id)) self.assertRaises(exception.FlavorNotFound, Cluster.create, Mock(), self.cluster_name, self.datastore, self.datastore_version, self.instances_w_volumes, {}) @patch.object(remote, 'create_nova_client') @patch.object(redis_api, 'CONF') def test_create_volume_no_specified(self, mock_conf, mock_client): mock_conf.get = Mock( return_value=FakeOptGroup(volume_support=True)) self.assertRaises(exception.VolumeSizeNotSpecified, Cluster.create, Mock(), self.cluster_name, self.datastore, self.datastore_version, self.instances_no_volumes, {}) @patch.object(remote, 'create_nova_client') @patch.object(redis_api, 'CONF') def test_create_storage_specified_with_no_volume_support(self, mock_conf, mock_client): mock_conf.get = Mock( return_value=FakeOptGroup(volume_support=False)) mock_client.return_value.flavors = Mock() self.assertRaises(exception.VolumeNotSupported, Cluster.create, Mock(), self.cluster_name, self.datastore, self.datastore_version, self.instances_w_volumes, {}) @patch.object(remote, 'create_nova_client') @patch.object(redis_api, 'CONF') def test_create_storage_not_specified_and_no_ephemeral_flavor(self, mock_conf, mock_client): class FakeFlavor: def __init__(self, flavor_id): self.flavor_id = flavor_id @property def id(self): return self.flavor.id @property def ephemeral(self): return 0 mock_conf.get = Mock( return_value=FakeOptGroup(volume_support=False)) (mock_client.return_value. flavors.get.return_value) = FakeFlavor('1234') self.assertRaises(exception.LocalStorageNotSpecified, Cluster.create, Mock(), self.cluster_name, self.datastore, self.datastore_version, self.instances_no_volumes, {}) @patch.object(redis_api, 'CONF') @patch.object(inst_models.Instance, 'create') @patch.object(task_api, 'load') @patch.object(QUOTAS, 'check_quotas') @patch.object(remote, 'create_nova_client') def test_create(self, mock_client, mock_check_quotas, mock_task_api, mock_ins_create, mock_conf): mock_conf.get = Mock( return_value=FakeOptGroup(volume_support=True)) mock_client.return_value.flavors = Mock() self.cluster.create(Mock(), self.cluster_name, self.datastore, self.datastore_version, self.instances_w_volumes, {}) mock_task_api.return_value.create_cluster.assert_called_with( self.dbcreate_mock.return_value.id) self.assertEqual(3, mock_ins_create.call_count) @patch.object(redis_api, 'CONF') @patch.object(inst_models.Instance, 'create') @patch.object(task_api, 'load') @patch.object(QUOTAS, 'check_quotas') @patch.object(remote, 'create_nova_client') def test_create_with_ephemeral_flavor(self, mock_client, mock_check_quotas, mock_task_api, mock_ins_create, mock_conf): class FakeFlavor: def __init__(self, flavor_id): self.flavor_id = flavor_id @property def id(self): return self.flavor.id @property def ephemeral(self): return 1 mock_conf.get = Mock( return_value=FakeOptGroup(volume_support=False)) (mock_client.return_value. flavors.get.return_value) = FakeFlavor('1234') self.cluster.create(Mock(), self.cluster_name, self.datastore, self.datastore_version, self.instances_no_volumes, {}) mock_task_api.return_value.create_cluster.assert_called_with( self.dbcreate_mock.return_value.id) self.assertEqual(3, mock_ins_create.call_count) @patch.object(DBCluster, 'update') @patch.object(redis_api, 'CONF') @patch.object(inst_models.Instance, 'create') @patch.object(task_api, 'load') @patch.object(QUOTAS, 'check_quotas') @patch.object(remote, 'create_nova_client') def test_grow(self, mock_client, mock_check_quotas, mock_task_api, mock_ins_create, mock_conf, mock_update): mock_conf.get = Mock( return_value=FakeOptGroup(volume_support=True)) mock_client.return_value.flavors = Mock() self.cluster.grow(self.instances_w_volumes) mock_task_api.return_value.grow_cluster.assert_called_with( self.dbcreate_mock.return_value.id, [mock_ins_create.return_value.id] * 3) self.assertEqual(3, mock_ins_create.call_count) @patch.object(DBInstance, 'find_all') @patch.object(Cluster, 'get_guest') @patch.object(DBCluster, 'update') @patch.object(inst_models.Instance, 'load') @patch.object(inst_models.Instance, 'delete') def test_shrink(self, mock_ins_delete, mock_ins_load, mock_update, mock_guest, mock_find_all): mock_find_all.return_value.all.return_value = [ DBInstance(InstanceTasks.NONE, id="1", name="member1", compute_instance_id="compute-1", task_id=InstanceTasks.NONE._code, task_description=InstanceTasks.NONE._db_text, volume_id="volume-1", datastore_version_id="1", cluster_id=self.cluster_id, type="member")] self.cluster.shrink(['id1']) self.assertEqual(1, mock_ins_delete.call_count) @patch('trove.cluster.models.LOG') def test_delete_bad_task_status(self, mock_logging): self.cluster.db_info.task_status = ClusterTasks.BUILDING_INITIAL self.assertRaises(exception.UnprocessableEntity, self.cluster.delete) @patch.object(task_api.API, 'delete_cluster') @patch.object(Cluster, 'update_db') @patch.object(inst_models.DBInstance, 'find_all') def test_delete_task_status_none(self, mock_find_all, mock_update_db, mock_delete_cluster): self.cluster.db_info.task_status = ClusterTasks.NONE self.cluster.delete() mock_update_db.assert_called_with(task_status=ClusterTasks.DELETING) @patch.object(task_api.API, 'delete_cluster') @patch.object(Cluster, 'update_db') @patch.object(inst_models.DBInstance, 'find_all') def test_delete_task_status_deleting(self, mock_find_all, mock_update_db, mock_delete_cluster): self.cluster.db_info.task_status = ClusterTasks.DELETING self.cluster.delete() mock_update_db.assert_called_with(task_status=ClusterTasks.DELETING)