133 lines
5.8 KiB
Python
133 lines
5.8 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_log import log as logging
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from senlin.common.i18n import _
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from senlin.tests.functional import api as test_api
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from senlin.tests.functional import base
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from senlin.tests.functional.utils import test_utils
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LOG = logging.getLogger(__name__)
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class TestCluster(base.SenlinFunctionalTest):
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def setUp(self):
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super(TestCluster, self).setUp()
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# Create profile
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self.profile = test_api.create_profile(self.client, 'test-profile',
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test_utils.spec_nova_server)
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def tearDown(self):
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# Delete profile
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test_api.delete_profile(self.client, self.profile['id'])
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super(TestCluster, self).tearDown()
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def test_cluster_scale_in_out(self):
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# Create cluster
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desired_capacity = 2
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min_size = 1
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max_size = 5
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cluster = test_api.create_cluster(self.client, 'test-cluster',
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self.profile['id'], desired_capacity,
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min_size, max_size)
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# Wait and verify cluster creation result
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cluster = test_utils.wait_for_status(test_api.get_cluster, self.client,
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cluster['id'], 'ACTIVE')
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self.assertEqual('test-cluster', cluster['name'])
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self.assertEqual(desired_capacity, cluster['desired_capacity'])
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self.assertEqual(min_size, cluster['min_size'])
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self.assertEqual(max_size, cluster['max_size'])
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self.assertEqual(desired_capacity, len(cluster['nodes']))
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# Scale out cluster without params
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action_id = test_api.action_cluster(self.client, cluster['id'],
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'scale_out')
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test_utils.wait_for_status(test_api.get_action, self.client,
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action_id, 'SUCCEEDED')
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# Verify cluster scale out result
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cluster = test_api.get_cluster(self.client, cluster['id'])
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self.assertEqual('ACTIVE', cluster['status'])
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self.assertEqual(3, len(cluster['nodes']))
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# Scale out with count set to 2
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action_id = test_api.action_cluster(self.client, cluster['id'],
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'scale_out', {'count': 2})
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test_utils.wait_for_status(test_api.get_action, self.client,
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action_id, 'SUCCEEDED')
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# Verify cluster scale out result
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cluster = test_api.get_cluster(self.client, cluster['id'])
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self.assertEqual('ACTIVE', cluster['status'])
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self.assertEqual(5, len(cluster['nodes']))
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# Keep scaling out and break the size constraint
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action_id = test_api.action_cluster(self.client, cluster['id'],
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'scale_out')
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# Wait for cluster scale out action failed
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action = test_utils.wait_for_status(test_api.get_action, self.client,
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action_id, 'FAILED')
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reason = _("The target capacity (6) is greater "
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"than the cluster's max_size (5).")
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self.assertEqual(reason, action['status_reason'])
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# Verify cluster scale out result
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cluster = test_api.get_cluster(self.client, cluster['id'])
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self.assertEqual('ACTIVE', cluster['status'])
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self.assertEqual(5, len(cluster['nodes']))
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# Scale in cluster without params
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action_id = test_api.action_cluster(self.client, cluster['id'],
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'scale_in')
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test_utils.wait_for_status(test_api.get_action, self.client,
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action_id, 'SUCCEEDED')
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# Verify cluster scale in result
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cluster = test_api.get_cluster(self.client, cluster['id'])
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self.assertEqual('ACTIVE', cluster['status'])
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self.assertEqual(4, len(cluster['nodes']))
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# Scale in with count set to 3
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action_id = test_api.action_cluster(self.client, cluster['id'],
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'scale_in', {'count': 3})
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test_utils.wait_for_status(test_api.get_action, self.client,
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action_id, 'SUCCEEDED')
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# Verify cluster scale in result
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cluster = test_api.get_cluster(self.client, cluster['id'])
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self.assertEqual('ACTIVE', cluster['status'])
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self.assertEqual(1, len(cluster['nodes']))
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# Keep scaling in and break the size constraint
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action_id = test_api.action_cluster(self.client, cluster['id'],
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'scale_in')
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action = test_utils.wait_for_status(test_api.get_action, self.client,
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action_id, 'FAILED')
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reason = _("The target capacity (0) is less "
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"than the cluster's min_size (1).")
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self.assertEqual(reason, action['status_reason'])
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# Verify cluster scale in result
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cluster = test_api.get_cluster(self.client, cluster['id'])
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self.assertEqual('ACTIVE', cluster['status'])
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self.assertEqual(1, len(cluster['nodes']))
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# Delete cluster
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test_api.delete_cluster(self.client, cluster['id'])
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cluster = test_utils.wait_for_status(test_api.get_cluster, self.client,
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cluster['id'], 'DELETED',
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ignore_missing=True)
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