sahara/sahara/tests/unit/service/api/v2/test_clusters.py

250 lines
10 KiB
Python

# Copyright (c) 2017 EasyStack Inc.
#
# 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
import oslo_messaging
import six
import testtools
from sahara import conductor as cond
from sahara import context
from sahara import exceptions as exc
from sahara.plugins import base as pl_base
from sahara.service import api as service_api
from sahara.service.api.v2 import clusters as api
from sahara.tests.unit import base
import sahara.tests.unit.service.api.v2.base as api_base
from sahara.utils import cluster as c_u
conductor = cond.API
class FakeOps(object):
def __init__(self, calls_order):
self.calls_order = calls_order
def provision_cluster(self, id):
self.calls_order.append('ops.provision_cluster')
cluster = conductor.cluster_get(context.ctx(), id)
target_count = {}
for node_group in cluster.node_groups:
target_count[node_group.id] = node_group.count
for node_group in cluster.node_groups:
conductor.node_group_update(context.ctx(),
node_group, {"count": 0})
for node_group in cluster.node_groups:
for i in range(target_count[node_group.id]):
inst = {
"instance_id": node_group.name + '_' + str(i),
"instance_name": node_group.name + '_' + str(i)
}
conductor.instance_add(context.ctx(), node_group, inst)
conductor.cluster_update(
context.ctx(), id, {'status': c_u.CLUSTER_STATUS_ACTIVE})
def provision_scaled_cluster(self, id, to_be_enlarged,
node_group_instance_map=None):
self.calls_order.append('ops.provision_scaled_cluster')
cluster = conductor.cluster_get(context.ctx(), id)
# Set scaled to see difference between active and scaled
for (ng, count) in six.iteritems(to_be_enlarged):
instances_to_delete = []
if node_group_instance_map:
if ng in node_group_instance_map:
instances_to_delete = self._get_instance(
cluster, node_group_instance_map[ng])
for instance in instances_to_delete:
conductor.instance_remove(context.ctx(), instance)
conductor.node_group_update(context.ctx(), ng, {'count': count})
conductor.cluster_update(context.ctx(), id, {'status': 'Scaled'})
def terminate_cluster(self, id):
self.calls_order.append('ops.terminate_cluster')
def _get_instance(self, cluster, instances_to_delete):
instances = []
for node_group in cluster.node_groups:
for instance in node_group.instances:
if instance.instance_id in instances_to_delete:
instances.append(instance)
return instances
class TestClusterApi(base.SaharaWithDbTestCase):
def setUp(self):
super(TestClusterApi, self).setUp()
self.calls_order = []
pl_base.PLUGINS = api_base.FakePluginManager(self.calls_order)
service_api.setup_api(FakeOps(self.calls_order))
oslo_messaging.notify.notifier.Notifier.info = mock.Mock()
self.ctx = context.ctx()
@mock.patch('sahara.service.quotas.check_cluster', return_value=None)
def test_create_cluster_success(self, check_cluster):
cluster = api.create_cluster(api_base.SAMPLE_CLUSTER)
self.assertEqual(1, check_cluster.call_count)
result_cluster = api.get_cluster(cluster.id)
self.assertEqual(c_u.CLUSTER_STATUS_ACTIVE, result_cluster.status)
expected_count = {
'ng_1': 1,
'ng_2': 3,
'ng_3': 1,
}
ng_count = 0
for ng in result_cluster.node_groups:
self.assertEqual(expected_count[ng.name], ng.count)
ng_count += 1
self.assertEqual(3, ng_count)
api.terminate_cluster(result_cluster.id)
self.assertEqual(
['get_open_ports', 'recommend_configs', 'validate',
'ops.provision_cluster',
'ops.terminate_cluster'], self.calls_order)
@mock.patch('sahara.service.quotas.check_cluster', return_value=None)
def test_create_multiple_clusters_success(self, check_cluster):
MULTIPLE_CLUSTERS = api_base.SAMPLE_CLUSTER.copy()
MULTIPLE_CLUSTERS['count'] = 2
clusters = api.create_multiple_clusters(MULTIPLE_CLUSTERS)
self.assertEqual(2, check_cluster.call_count)
result_cluster1 = api.get_cluster(clusters['clusters'][0])
result_cluster2 = api.get_cluster(clusters['clusters'][1])
self.assertEqual(c_u.CLUSTER_STATUS_ACTIVE, result_cluster1.status)
self.assertEqual(c_u.CLUSTER_STATUS_ACTIVE, result_cluster2.status)
expected_count = {
'ng_1': 1,
'ng_2': 3,
'ng_3': 1,
}
ng_count = 0
for ng in result_cluster1.node_groups:
self.assertEqual(expected_count[ng.name], ng.count)
ng_count += 1
self.assertEqual(3, ng_count)
api.terminate_cluster(result_cluster1.id)
api.terminate_cluster(result_cluster2.id)
self.assertEqual(
['get_open_ports', 'recommend_configs', 'validate',
'ops.provision_cluster',
'get_open_ports', 'recommend_configs', 'validate',
'ops.provision_cluster',
'ops.terminate_cluster',
'ops.terminate_cluster'], self.calls_order)
@mock.patch('sahara.service.quotas.check_cluster')
def test_create_multiple_clusters_failed(self, check_cluster):
MULTIPLE_CLUSTERS = api_base.SAMPLE_CLUSTER.copy()
MULTIPLE_CLUSTERS['count'] = 2
check_cluster.side_effect = exc.QuotaException(
'resource', 'requested', 'available')
with testtools.ExpectedException(exc.QuotaException):
api.create_cluster(api_base.SAMPLE_CLUSTER)
self.assertEqual('Error', api.get_clusters()[0].status)
@mock.patch('sahara.service.quotas.check_cluster')
def test_create_cluster_failed(self, check_cluster):
check_cluster.side_effect = exc.QuotaException(
'resource', 'requested', 'available')
with testtools.ExpectedException(exc.QuotaException):
api.create_cluster(api_base.SAMPLE_CLUSTER)
self.assertEqual('Error', api.get_clusters()[0].status)
@mock.patch('sahara.service.quotas.check_cluster', return_value=None)
@mock.patch('sahara.service.quotas.check_scaling', return_value=None)
def test_scale_cluster_success(self, check_scaling, check_cluster):
cluster = api.create_cluster(api_base.SAMPLE_CLUSTER)
cluster = api.get_cluster(cluster.id)
api.scale_cluster(cluster.id, api_base.SCALE_DATA)
result_cluster = api.get_cluster(cluster.id)
self.assertEqual('Scaled', result_cluster.status)
expected_count = {
'ng_1': 3,
'ng_2': 2,
'ng_3': 1,
'ng_4': 1,
}
ng_count = 0
for ng in result_cluster.node_groups:
self.assertEqual(expected_count[ng.name], ng.count)
ng_count += 1
self.assertEqual(4, ng_count)
api.terminate_cluster(result_cluster.id)
self.assertEqual(
['get_open_ports', 'recommend_configs', 'validate',
'ops.provision_cluster', 'get_open_ports', 'get_open_ports',
'recommend_configs', 'validate_scaling',
'ops.provision_scaled_cluster',
'ops.terminate_cluster'], self.calls_order)
@mock.patch('sahara.service.quotas.check_cluster', return_value=None)
@mock.patch('sahara.service.quotas.check_scaling', return_value=None)
def test_scale_cluster_n_specific_instances_success(self, check_scaling,
check_cluster):
cluster = api.create_cluster(api_base.SAMPLE_CLUSTER)
cluster = api.get_cluster(cluster.id)
api.scale_cluster(cluster.id, api_base.SCALE_DATA_N_SPECIFIC_INSTANCE)
result_cluster = api.get_cluster(cluster.id)
self.assertEqual('Scaled', result_cluster.status)
expected_count = {
'ng_1': 3,
'ng_2': 1,
'ng_3': 1,
}
ng_count = 0
for ng in result_cluster.node_groups:
self.assertEqual(expected_count[ng.name], ng.count)
ng_count += 1
self.assertEqual(1, result_cluster.node_groups[1].count)
self.assertNotIn('ng_2_0',
self._get_instances_ids(
result_cluster.node_groups[1]))
self.assertNotIn('ng_2_2',
self._get_instances_ids(
result_cluster.node_groups[1]))
self.assertEqual(3, ng_count)
api.terminate_cluster(result_cluster.id)
self.assertEqual(
['get_open_ports', 'recommend_configs', 'validate',
'ops.provision_cluster', 'get_open_ports',
'recommend_configs', 'validate_scaling',
'ops.provision_scaled_cluster',
'ops.terminate_cluster'], self.calls_order)
def _get_instances_ids(self, node_group):
instance_ids = []
for instance in node_group.instances:
instance_ids.append(instance.instance_id)
return instance_ids
@mock.patch('sahara.service.quotas.check_cluster', return_value=None)
@mock.patch('sahara.service.quotas.check_scaling', return_value=None)
def test_scale_cluster_failed(self, check_scaling, check_cluster):
cluster = api.create_cluster(api_base.SAMPLE_CLUSTER)
check_scaling.side_effect = exc.QuotaException(
'resource', 'requested', 'available')
with testtools.ExpectedException(exc.QuotaException):
api.scale_cluster(cluster.id, {})
def test_cluster_update(self):
with mock.patch('sahara.service.quotas.check_cluster'):
cluster = api.create_cluster(api_base.SAMPLE_CLUSTER)
updated_cluster = api.update_cluster(
cluster.id, {'description': 'Cluster'})
self.assertEqual('Cluster', updated_cluster.description)