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# 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 datetime
from mock import Mock
from mock import patch
from trove.cluster.models import ClusterTasks as ClusterTaskStatus
from trove.cluster.models import DBCluster
from trove.common.exception import GuestError
from trove.common.strategies.cluster.experimental.galera_common.taskmanager \
import GaleraCommonClusterTasks
from trove.common.strategies.cluster.experimental.galera_common.taskmanager \
import GaleraCommonTaskManagerStrategy
from trove.datastore import models as datastore_models
from trove.instance.models import BaseInstance
from trove.instance.models import DBInstance
from trove.instance.models import Instance
from trove.instance.models import InstanceServiceStatus
from trove.instance.models import InstanceTasks
from trove.taskmanager.models import ServiceStatuses
from trove.tests.unittests import trove_testtools
from trove.tests.unittests.util import util
class GaleraClusterTasksTest(trove_testtools.TestCase):
def setUp(self):
super(GaleraClusterTasksTest, self).setUp()
util.init_db()
self.cluster_id = "1232"
self.cluster_name = "Cluster-1234"
self.tenant_id = "6789"
self.db_cluster = DBCluster(ClusterTaskStatus.NONE,
id=self.cluster_id,
created=str(datetime.date),
updated=str(datetime.date),
name=self.cluster_name,
task_id=ClusterTaskStatus.NONE._code,
tenant_id=self.tenant_id,
datastore_version_id="1",
deleted=False)
self.dbinst1 = 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.dbinst2 = DBInstance(InstanceTasks.NONE, id="2", name="member2",
compute_instance_id="compute-2",
task_id=InstanceTasks.NONE._code,
task_description=InstanceTasks.NONE._db_text,
volume_id="volume-2",
datastore_version_id="1",
cluster_id=self.cluster_id,
type="member")
self.dbinst3 = DBInstance(InstanceTasks.NONE, id="3", name="member3",
compute_instance_id="compute-3",
task_id=InstanceTasks.NONE._code,
task_description=InstanceTasks.NONE._db_text,
volume_id="volume-3",
datastore_version_id="1",
cluster_id=self.cluster_id,
type="member")
mock_ds1 = Mock()
mock_ds1.name = 'pxc'
mock_dv1 = Mock()
mock_dv1.name = '7.1'
self.clustertasks = GaleraCommonClusterTasks(
Mock(), self.db_cluster, datastore=mock_ds1,
datastore_version=mock_dv1)
self.cluster_context = {
'replication_user': {
'name': "name",
'password': "password",
},
'cluster_name': self.cluster_name,
'admin_password': "admin_password"
}
@patch.object(GaleraCommonClusterTasks, 'update_statuses_on_failure')
@patch.object(DBInstance, 'find_by')
@patch.object(InstanceServiceStatus, 'find_by')
@patch('trove.taskmanager.models.LOG')
def test_all_instances_ready_with_server_error(self,
mock_logging, mock_find,
mock_db_find, mock_update):
(mock_find.return_value.
get_status.return_value) = ServiceStatuses.NEW
(mock_db_find.return_value.
get_task_status.return_value) = InstanceTasks.BUILDING_ERROR_SERVER
ret_val = self.clustertasks._all_instances_ready(["1", "2", "3", "4"],
self.cluster_id)
mock_update.assert_called_with(self.cluster_id, None)
self.assertFalse(ret_val)
@patch.object(GaleraCommonClusterTasks, 'update_statuses_on_failure')
@patch.object(DBInstance, 'find_by')
@patch.object(InstanceServiceStatus, 'find_by')
@patch('trove.taskmanager.models.LOG')
def test_all_instances_ready_bad_status(self, mock_logging,
mock_find, mock_db_find,
mock_update):
(mock_find.return_value.
get_status.return_value) = ServiceStatuses.FAILED
(mock_db_find.return_value.
get_task_status.return_value) = InstanceTasks.NONE
ret_val = self.clustertasks._all_instances_ready(["1", "2", "3", "4"],
self.cluster_id)
mock_update.assert_called_with(self.cluster_id, None)
self.assertFalse(ret_val)
@patch.object(DBInstance, 'find_by')
@patch.object(InstanceServiceStatus, 'find_by')
def test_all_instances_ready(self, mock_find, mock_db_find):
(mock_find.return_value.
get_status.return_value) = ServiceStatuses.INSTANCE_READY
(mock_db_find.return_value.
get_task_status.return_value) = InstanceTasks.NONE
ret_val = self.clustertasks._all_instances_ready(["1", "2", "3", "4"],
self.cluster_id)
self.assertTrue(ret_val)
@patch.object(GaleraCommonClusterTasks, 'update_statuses_on_failure')
@patch.object(GaleraCommonClusterTasks, '_all_instances_ready',
return_value=False)
@patch.object(Instance, 'load')
@patch.object(DBInstance, 'find_all')
@patch.object(datastore_models.Datastore, 'load')
@patch.object(datastore_models.DatastoreVersion, 'load_by_uuid')
@patch('trove.common.strategies.cluster.experimental.galera_common.'
'taskmanager.LOG')
def test_create_cluster_instance_not_ready(self, mock_logging, mock_dv,
mock_ds, mock_find_all,
mock_load, mock_ready,
mock_update):
mock_find_all.return_value.all.return_value = [self.dbinst1]
mock_load.return_value = BaseInstance(Mock(),
self.dbinst1, Mock(),
InstanceServiceStatus(
ServiceStatuses.NEW))
self.clustertasks.create_cluster(Mock(), self.cluster_id)
mock_update.assert_called_with(self.cluster_id)
@patch.object(GaleraCommonClusterTasks, 'update_statuses_on_failure')
@patch.object(GaleraCommonClusterTasks, 'reset_task')
@patch.object(GaleraCommonClusterTasks, 'get_ip')
@patch.object(GaleraCommonClusterTasks, '_all_instances_ready')
@patch.object(Instance, 'load')
@patch.object(DBInstance, 'find_all')
@patch.object(datastore_models.Datastore, 'load')
@patch.object(datastore_models.DatastoreVersion, 'load_by_uuid')
@patch('trove.common.strategies.cluster.experimental.galera_common.'
'taskmanager.LOG')
def test_create_cluster_fail(self, mock_logging, mock_dv, mock_ds,
mock_find_all, mock_load, mock_ready, mock_ip,
mock_reset_task, mock_update_status):
mock_find_all.return_value.all.return_value = [self.dbinst1]
mock_load.return_value = BaseInstance(Mock(),
self.dbinst1, Mock(),
InstanceServiceStatus(
ServiceStatuses.NEW))
mock_ip.return_value = "10.0.0.2"
guest_client = Mock()
guest_client.install_cluster = Mock(side_effect=GuestError("Error"))
with patch.object(GaleraCommonClusterTasks, 'get_guest',
return_value=guest_client):
self.clustertasks.create_cluster(Mock(), self.cluster_id)
mock_update_status.assert_called_with('1232')
mock_reset_task.assert_called_with()
@patch.object(GaleraCommonClusterTasks, 'update_statuses_on_failure')
@patch('trove.common.strategies.cluster.experimental.galera_common.'
'taskmanager.LOG')
def test_grow_cluster_does_not_exist(self, mock_logging,
mock_update_status):
context = Mock()
bad_cluster_id = '1234'
new_instances = [Mock(), Mock()]
self.clustertasks.grow_cluster(context, bad_cluster_id, new_instances)
mock_update_status.assert_called_with(
'1234',
status=InstanceTasks.GROWING_ERROR)
@patch.object(GaleraCommonClusterTasks, '_check_cluster_for_root')
@patch.object(GaleraCommonClusterTasks, 'reset_task')
@patch.object(GaleraCommonClusterTasks, '_render_cluster_config')
@patch.object(GaleraCommonClusterTasks, 'get_ip')
@patch.object(GaleraCommonClusterTasks, 'get_guest')
@patch.object(GaleraCommonClusterTasks, '_all_instances_ready',
return_value=True)
@patch.object(Instance, 'load')
@patch.object(DBInstance, 'find_all')
@patch.object(datastore_models.Datastore, 'load')
@patch.object(datastore_models.DatastoreVersion, 'load_by_uuid')
def test_grow_cluster_successs(self, mock_dv, mock_ds, mock_find_all,
mock_load, mock_ready, mock_guest, mock_ip,
mock_render, mock_reset_task,
mock_check_root):
mock_find_all.return_value.all.return_value = [self.dbinst1]
mock_ip.return_value = "10.0.0.2"
context = Mock()
new_instances = [Mock(), Mock()]
mock_guest.get_cluster_context = Mock(
return_value=self.cluster_context)
mock_guest.reset_admin_password = Mock()
self.clustertasks.grow_cluster(context, self.cluster_id,
new_instances)
mock_reset_task.assert_called_with()
@patch.object(GaleraCommonClusterTasks, 'reset_task')
@patch.object(Instance, 'load')
@patch.object(Instance, 'delete')
@patch.object(DBInstance, 'find_all')
@patch.object(GaleraCommonClusterTasks, 'get_guest')
@patch.object(GaleraCommonClusterTasks, 'get_ip')
@patch.object(GaleraCommonClusterTasks, '_render_cluster_config')
def test_shrink_cluster_success(self, mock_render, mock_ip, mock_guest,
mock_find_all, mock_delete, mock_load,
mock_reset_task):
mock_find_all.return_value.all.return_value = [self.dbinst1]
context = Mock()
remove_instances = [Mock()]
mock_ip.return_value = "10.0.0.2"
mock_guest.get_cluster_context = Mock(
return_value=self.cluster_context)
self.clustertasks.shrink_cluster(context, self.cluster_id,
remove_instances)
mock_reset_task.assert_called_with()
@patch.object(Instance, 'load')
@patch.object(GaleraCommonClusterTasks, 'update_statuses_on_failure')
@patch('trove.common.strategies.cluster.experimental.galera_common.'
'taskmanager.LOG')
def test_shrink_cluster_does_not_exist(self, mock_logging,
mock_update_status,
mock_load):
context = Mock()
bad_cluster_id = '1234'
remove_instances = [Mock()]
self.clustertasks.shrink_cluster(context, bad_cluster_id,
remove_instances)
mock_update_status.assert_called_with(
'1234',
status=InstanceTasks.SHRINKING_ERROR)
class GaleraTaskManagerStrategyTest(trove_testtools.TestCase):
def test_task_manager_cluster_tasks_class(self):
strategy = GaleraCommonTaskManagerStrategy()
self.assertFalse(
hasattr(strategy.task_manager_cluster_tasks_class,
'rebuild_cluster'))
self.assertTrue(callable(
strategy.task_manager_cluster_tasks_class.create_cluster))
def test_task_manager_api_class(self):
strategy = GaleraCommonTaskManagerStrategy()
self.assertFalse(hasattr(strategy.task_manager_api_class,
'add_new_node'))
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