77b7fae41e
In this changeset, I implemented the notification handling (Rx only) system for consuming incoming notifications, more especially the Nova ones. The notifications handlers also contain the logic which incrementally updates the Compute model. Change-Id: Ia036a5a2be6caa64b7f180de38821b57c624300c Partially-implements: blueprint cluster-model-objects-wrapper
117 lines
4.4 KiB
Python
117 lines
4.4 KiB
Python
# -*- encoding: utf-8 -*-
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# Copyright (c) 2015 b<>com
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#
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# Authors: Jean-Emile DARTOIS <jean-emile.dartois@b-com.com>
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#
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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
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# 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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#
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import uuid
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from watcher.decision_engine.model import element
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from watcher.tests import base
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from watcher.tests.decision_engine.strategy.strategies import \
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faker_cluster_state
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class TestMapping(base.TestCase):
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INST1_UUID = "73b09e16-35b7-4922-804e-e8f5d9b740fc"
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INST2_UUID = "a4cab39b-9828-413a-bf88-f76921bf1517"
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def setUp(self):
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super(TestMapping, self).setUp()
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self.fake_cluster = faker_cluster_state.FakerModelCollector()
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def test_get_node_from_instance(self):
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model = self.fake_cluster.generate_scenario_3_with_2_nodes()
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instances = model.get_all_instances()
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keys = list(instances.keys())
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instance = instances[keys[0]]
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if instance.uuid != self.INST1_UUID:
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instance = instances[keys[1]]
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node = model.mapping.get_node_from_instance(instance)
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self.assertEqual('Node_0', node.uuid)
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def test_get_node_from_instance_id(self):
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model = self.fake_cluster.generate_scenario_3_with_2_nodes()
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nodes = model.mapping.get_node_instances_from_id("BLABLABLA")
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self.assertEqual(0, len(nodes))
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def test_get_all_instances(self):
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model = self.fake_cluster.generate_scenario_3_with_2_nodes()
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instances = model.get_all_instances()
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self.assertEqual(2, len(instances))
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self.assertEqual(element.InstanceState.ACTIVE.value,
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instances[self.INST1_UUID].state)
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self.assertEqual(self.INST1_UUID, instances[self.INST1_UUID].uuid)
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self.assertEqual(element.InstanceState.ACTIVE.value,
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instances[self.INST2_UUID].state)
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self.assertEqual(self.INST2_UUID, instances[self.INST2_UUID].uuid)
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def test_get_mapping(self):
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model = self.fake_cluster.generate_scenario_3_with_2_nodes()
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instance_mapping = model.mapping.instance_mapping
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self.assertEqual(2, len(instance_mapping))
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self.assertEqual('Node_0', instance_mapping[self.INST1_UUID])
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self.assertEqual('Node_1', instance_mapping[self.INST2_UUID])
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def test_migrate_instance(self):
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model = self.fake_cluster.generate_scenario_3_with_2_nodes()
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instances = model.get_all_instances()
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keys = list(instances.keys())
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instance0 = instances[keys[0]]
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node0 = model.mapping.get_node_from_instance_id(instance0.uuid)
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instance1 = instances[keys[1]]
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node1 = model.mapping.get_node_from_instance_id(instance1.uuid)
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self.assertEqual(
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False,
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model.migrate_instance(instance1, node1, node1))
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self.assertEqual(
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False,
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model.migrate_instance(instance1, node0, node0))
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self.assertEqual(
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True,
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model.migrate_instance(instance1, node1, node0))
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self.assertEqual(
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True,
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model.migrate_instance(instance1, node0, node1))
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def test_unmap_from_id_log_warning(self):
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model = self.fake_cluster.generate_scenario_3_with_2_nodes()
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instances = model.get_all_instances()
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keys = list(instances.keys())
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instance0 = instances[keys[0]]
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id_ = "{0}".format(uuid.uuid4())
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node = element.ComputeNode()
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node.uuid = id_
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model.mapping.unmap_from_id(node.uuid, instance0.uuid)
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# self.assertEqual(len(model.mapping.get_node_instances_from_id(
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# node.uuid)), 1)
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def test_unmap_from_id(self):
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model = self.fake_cluster.generate_scenario_3_with_2_nodes()
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instances = model.get_all_instances()
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keys = list(instances.keys())
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instance0 = instances[keys[0]]
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node0 = model.mapping.get_node_from_instance_id(instance0.uuid)
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model.mapping.unmap_from_id(node0.uuid, instance0.uuid)
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self.assertEqual(0, len(model.mapping.get_node_instances_from_id(
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node0.uuid)))
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