273 lines
11 KiB
Python
273 lines
11 KiB
Python
# Copyright [2015] Hewlett-Packard Development Company, L.P.
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import uuid
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from mock import Mock
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from mock import patch
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from novaclient import exceptions as nova_exceptions
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from trove.cluster.models import Cluster
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from trove.cluster.models import ClusterTasks
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from trove.cluster.models import DBCluster
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from trove.common import cfg
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from trove.common import exception
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from trove.common import remote
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from trove.common.strategies.cluster.experimental.redis import api as redis_api
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from trove.instance import models as inst_models
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from trove.instance.models import DBInstance
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from trove.instance.models import InstanceTasks
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from trove.quota.quota import QUOTAS
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from trove.taskmanager import api as task_api
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from trove.tests.unittests import trove_testtools
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CONF = cfg.CONF
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class FakeOptGroup(object):
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def __init__(self, cluster_member_count=3,
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volume_support=True, device_path='/dev/vdb'):
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self.cluster_member_count = cluster_member_count
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self.volume_support = volume_support
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self.device_path = device_path
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class ClusterTest(trove_testtools.TestCase):
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def setUp(self):
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super(ClusterTest, self).setUp()
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self.cluster_id = str(uuid.uuid4())
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self.cluster_name = "Cluster" + self.cluster_id
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self.tenant_id = "23423432"
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self.dv_id = "1"
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self.db_info = DBCluster(ClusterTasks.NONE,
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id=self.cluster_id,
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name=self.cluster_name,
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tenant_id=self.tenant_id,
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datastore_version_id=self.dv_id,
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task_id=ClusterTasks.NONE._code)
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self.get_client_patch = patch.object(task_api.API, 'get_client')
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self.get_client_mock = self.get_client_patch.start()
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self.addCleanup(self.get_client_patch.stop)
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self.dbcreate_patch = patch.object(DBCluster, 'create',
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return_value=self.db_info)
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self.dbcreate_mock = self.dbcreate_patch.start()
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self.addCleanup(self.dbcreate_patch.stop)
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self.context = Mock()
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self.datastore = Mock()
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self.dv = Mock()
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self.dv.manager = "redis"
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self.datastore_version = self.dv
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self.cluster = redis_api.RedisCluster(self.context, self.db_info,
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self.datastore,
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self.datastore_version)
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self.instances_w_volumes = [{'volume_size': 1,
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'flavor_id': '1234'}] * 3
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self.instances_no_volumes = [{'flavor_id': '1234'}] * 3
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def tearDown(self):
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super(ClusterTest, self).tearDown()
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@patch.object(remote, 'create_nova_client')
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def test_create_invalid_flavor_specified(self,
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mock_client):
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(mock_client.return_value.flavors.get) = Mock(
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side_effect=nova_exceptions.NotFound(
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404, "Flavor id not found %s" % id))
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self.assertRaises(exception.FlavorNotFound,
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Cluster.create,
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Mock(),
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self.cluster_name,
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self.datastore,
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self.datastore_version,
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self.instances_w_volumes,
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{})
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@patch.object(remote, 'create_nova_client')
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@patch.object(redis_api, 'CONF')
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def test_create_volume_no_specified(self, mock_conf, mock_client):
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mock_conf.get = Mock(
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return_value=FakeOptGroup(volume_support=True))
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self.assertRaises(exception.VolumeSizeNotSpecified,
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Cluster.create,
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Mock(),
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self.cluster_name,
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self.datastore,
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self.datastore_version,
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self.instances_no_volumes,
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{})
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@patch.object(remote, 'create_nova_client')
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@patch.object(redis_api, 'CONF')
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def test_create_storage_specified_with_no_volume_support(self,
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mock_conf,
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mock_client):
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mock_conf.get = Mock(
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return_value=FakeOptGroup(volume_support=False))
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mock_client.return_value.flavors = Mock()
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self.assertRaises(exception.VolumeNotSupported,
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Cluster.create,
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Mock(),
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self.cluster_name,
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self.datastore,
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self.datastore_version,
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self.instances_w_volumes,
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{})
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@patch.object(remote, 'create_nova_client')
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@patch.object(redis_api, 'CONF')
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def test_create_storage_not_specified_and_no_ephemeral_flavor(self,
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mock_conf,
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mock_client):
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class FakeFlavor:
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def __init__(self, flavor_id):
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self.flavor_id = flavor_id
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@property
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def id(self):
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return self.flavor.id
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@property
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def ephemeral(self):
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return 0
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mock_conf.get = Mock(
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return_value=FakeOptGroup(volume_support=False))
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(mock_client.return_value.
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flavors.get.return_value) = FakeFlavor('1234')
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self.assertRaises(exception.LocalStorageNotSpecified,
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Cluster.create,
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Mock(),
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self.cluster_name,
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self.datastore,
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self.datastore_version,
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self.instances_no_volumes,
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{})
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@patch.object(redis_api, 'CONF')
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@patch.object(inst_models.Instance, 'create')
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@patch.object(task_api, 'load')
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@patch.object(QUOTAS, 'check_quotas')
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@patch.object(remote, 'create_nova_client')
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def test_create(self, mock_client, mock_check_quotas, mock_task_api,
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mock_ins_create, mock_conf):
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mock_conf.get = Mock(
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return_value=FakeOptGroup(volume_support=True))
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mock_client.return_value.flavors = Mock()
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self.cluster.create(Mock(),
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self.cluster_name,
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self.datastore,
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self.datastore_version,
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self.instances_w_volumes, {})
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mock_task_api.return_value.create_cluster.assert_called_with(
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self.dbcreate_mock.return_value.id)
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self.assertEqual(3, mock_ins_create.call_count)
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@patch.object(redis_api, 'CONF')
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@patch.object(inst_models.Instance, 'create')
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@patch.object(task_api, 'load')
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@patch.object(QUOTAS, 'check_quotas')
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@patch.object(remote, 'create_nova_client')
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def test_create_with_ephemeral_flavor(self, mock_client, mock_check_quotas,
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mock_task_api, mock_ins_create,
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mock_conf):
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class FakeFlavor:
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def __init__(self, flavor_id):
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self.flavor_id = flavor_id
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@property
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def id(self):
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return self.flavor.id
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@property
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def ephemeral(self):
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return 1
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mock_conf.get = Mock(
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return_value=FakeOptGroup(volume_support=False))
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(mock_client.return_value.
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flavors.get.return_value) = FakeFlavor('1234')
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self.cluster.create(Mock(),
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self.cluster_name,
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self.datastore,
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self.datastore_version,
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self.instances_no_volumes, {})
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mock_task_api.return_value.create_cluster.assert_called_with(
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self.dbcreate_mock.return_value.id)
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self.assertEqual(3, mock_ins_create.call_count)
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@patch.object(DBCluster, 'update')
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@patch.object(redis_api, 'CONF')
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@patch.object(inst_models.Instance, 'create')
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@patch.object(task_api, 'load')
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@patch.object(QUOTAS, 'check_quotas')
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@patch.object(remote, 'create_nova_client')
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def test_grow(self, mock_client, mock_check_quotas, mock_task_api,
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mock_ins_create, mock_conf, mock_update):
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mock_conf.get = Mock(
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return_value=FakeOptGroup(volume_support=True))
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mock_client.return_value.flavors = Mock()
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self.cluster.grow(self.instances_w_volumes)
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mock_task_api.return_value.grow_cluster.assert_called_with(
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self.dbcreate_mock.return_value.id,
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[mock_ins_create.return_value.id] * 3)
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self.assertEqual(3, mock_ins_create.call_count)
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@patch.object(DBInstance, 'find_all')
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@patch.object(Cluster, 'get_guest')
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@patch.object(DBCluster, 'update')
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@patch.object(inst_models.Instance, 'load')
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@patch.object(inst_models.Instance, 'delete')
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def test_shrink(self,
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mock_ins_delete, mock_ins_load, mock_update,
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mock_guest, mock_find_all):
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mock_find_all.return_value.all.return_value = [
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DBInstance(InstanceTasks.NONE, id="1", name="member1",
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compute_instance_id="compute-1",
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task_id=InstanceTasks.NONE._code,
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task_description=InstanceTasks.NONE._db_text,
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volume_id="volume-1",
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datastore_version_id="1",
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cluster_id=self.cluster_id,
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type="member")]
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self.cluster.shrink(['id1'])
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self.assertEqual(1, mock_ins_delete.call_count)
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@patch('trove.cluster.models.LOG')
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def test_delete_bad_task_status(self, mock_logging):
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self.cluster.db_info.task_status = ClusterTasks.BUILDING_INITIAL
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self.assertRaises(exception.UnprocessableEntity,
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self.cluster.delete)
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@patch.object(task_api.API, 'delete_cluster')
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@patch.object(Cluster, 'update_db')
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@patch.object(inst_models.DBInstance, 'find_all')
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def test_delete_task_status_none(self,
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mock_find_all,
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mock_update_db,
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mock_delete_cluster):
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self.cluster.db_info.task_status = ClusterTasks.NONE
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self.cluster.delete()
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mock_update_db.assert_called_with(task_status=ClusterTasks.DELETING)
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@patch.object(task_api.API, 'delete_cluster')
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@patch.object(Cluster, 'update_db')
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@patch.object(inst_models.DBInstance, 'find_all')
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def test_delete_task_status_deleting(self,
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mock_find_all,
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mock_update_db,
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mock_delete_cluster):
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self.cluster.db_info.task_status = ClusterTasks.DELETING
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self.cluster.delete()
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mock_update_db.assert_called_with(task_status=ClusterTasks.DELETING)
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