Merge "Implement watcher datamodel list in watcher-decision-engine"
This commit is contained in:
commit
0732485467
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@ -38,13 +38,13 @@ See :doc:`../architecture` for more details on this component.
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"""
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from watcher.common import service_manager
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from watcher import conf
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from watcher.decision_engine.messaging import audit_endpoint
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from watcher.decision_engine.messaging import data_model_endpoint
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from watcher.decision_engine.model.collector import manager
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from watcher.decision_engine.strategy.strategies import base \
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as strategy_endpoint
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from watcher import conf
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CONF = conf.CONF
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@ -73,7 +73,8 @@ class DecisionEngineManager(service_manager.ServiceManager):
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@property
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def conductor_endpoints(self):
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return [audit_endpoint.AuditEndpoint,
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strategy_endpoint.StrategyEndpoint]
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strategy_endpoint.StrategyEndpoint,
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data_model_endpoint.DataModelEndpoint]
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@property
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def notification_endpoints(self):
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@ -0,0 +1,60 @@
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# -*- encoding: utf-8 -*-
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# Copyright 2019 ZTE corporation.
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# All Rights Reserved.
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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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from watcher.common import exception
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from watcher.common import utils
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from watcher.decision_engine.model.collector import manager
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from watcher import objects
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class DataModelEndpoint(object):
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def __init__(self, messaging):
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self._messaging = messaging
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def get_audit_scope(self, context, audit=None):
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scope = None
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try:
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if utils.is_uuid_like(audit) or utils.is_int_like(audit):
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audit = objects.Audit.get(
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context, audit)
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else:
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audit = objects.Audit.get_by_name(
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context, audit)
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except exception.AuditNotFound:
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raise exception.InvalidIdentity(identity=audit)
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if audit:
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scope = audit.scope
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else:
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scope = []
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return scope
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def get_data_model_info(self, context, data_model_type='compute',
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audit=None):
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if audit is not None:
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scope = self.get_audit_scope(context, audit)
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else:
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scope = []
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collector_manager = manager.CollectorManager()
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collector = collector_manager.get_cluster_model_collector(
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data_model_type)
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audit_scope_handler = collector.get_audit_scope_handler(
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audit_scope=scope)
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available_data_model = audit_scope_handler.get_scoped_model(
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collector.get_latest_cluster_data_model())
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if not available_data_model:
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return {"context": []}
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return {"context": available_data_model.to_list()}
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@ -248,6 +248,24 @@ class ModelRoot(nx.DiGraph, base.Model):
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return etree.tostring(root, pretty_print=True).decode('utf-8')
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def to_list(self):
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ret_list = []
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for cn in sorted(self.get_all_compute_nodes().values(),
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key=lambda cn: cn.uuid):
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in_dict = {}
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for field in cn.fields:
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new_name = "node_"+str(field)
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in_dict[new_name] = cn[field]
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node_instances = self.get_node_instances(cn)
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for instance in sorted(node_instances, key=lambda x: x.uuid):
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for field in instance.fields:
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new_name = "server_"+str(field)
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in_dict[new_name] = instance[field]
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if in_dict != {}:
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deep_in_dict = in_dict.copy()
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ret_list.append(deep_in_dict)
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return ret_list
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@classmethod
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def from_xml(cls, data):
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model = cls()
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@ -44,6 +44,11 @@ class DecisionEngineAPI(service.Service):
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return self.conductor_client.call(
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context, 'get_strategy_info', strategy_name=strategy_name)
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def get_data_model_info(self, context, data_model_type, audit):
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return self.conductor_client.call(
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context, 'get_data_model_info',
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data_model_type=data_model_type, audit=audit)
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class DecisionEngineAPIManager(service_manager.ServiceManager):
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@ -0,0 +1,54 @@
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# -*- encoding: utf-8 -*-
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# Copyright 2019 ZTE Corporation.
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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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import mock
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import unittest
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from watcher.common import exception
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from watcher.common import utils
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from watcher.decision_engine.messaging import data_model_endpoint
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from watcher.decision_engine.model.collector import manager
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from watcher.objects import audit
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class TestDataModelEndpoint(unittest.TestCase):
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def setUp(self):
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self.endpoint_instance = data_model_endpoint.DataModelEndpoint('fake')
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@mock.patch.object(audit.Audit, 'get')
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def test_get_audit_scope(self, mock_get):
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mock_get.return_value = mock.Mock(scope='fake_scope')
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audit_uuid = utils.generate_uuid()
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result = self.endpoint_instance.get_audit_scope(
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context=None,
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audit=audit_uuid)
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self.assertEqual('fake_scope', result)
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@mock.patch.object(audit.Audit, 'get_by_name')
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def test_get_audit_scope_with_error_name(self, mock_get_by_name):
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mock_get_by_name.side_effect = exception.AuditNotFound()
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audit_name = 'error_audit_name'
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self.assertRaises(
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exception.InvalidIdentity,
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self.endpoint_instance.get_audit_scope,
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context=None,
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audit=audit_name)
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@mock.patch.object(manager, 'CollectorManager', mock.Mock())
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def test_get_data_model_info(self):
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result = self.endpoint_instance.get_data_model_info(context='fake')
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self.assertIn('context', result)
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@ -16,6 +16,7 @@
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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 mock
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import os
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from oslo_utils import uuidutils
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@ -63,6 +64,27 @@ class TestModel(base.TestCase):
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model = model_root.ModelRoot.from_xml(struct_str)
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self.assertEqual(expected_model.to_string(), model.to_string())
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@mock.patch.object(model_root.ModelRoot, 'get_all_compute_nodes')
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@mock.patch.object(model_root.ModelRoot, 'get_node_instances')
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def test_get_model_to_list(self, mock_instances, mock_nodes):
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fake_compute_node = mock.MagicMock(
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uuid='fake_node_uuid',
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fields=['uuid'])
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fake_instance = mock.MagicMock(
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uuid='fake_instance_uuid',
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fields=['uuid'])
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mock_nodes.return_value = {'fake_node_uuid': fake_compute_node}
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mock_instances.return_value = [fake_instance]
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expected_keys = ['server_uuid', 'node_uuid']
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result = model_root.ModelRoot().to_list()
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self.assertEqual(1, len(result))
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result_keys = result[0].keys()
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self.assertEqual(sorted(expected_keys), sorted(result_keys))
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def test_get_node_by_instance_uuid(self):
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model = model_root.ModelRoot()
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uuid_ = "{0}".format(uuidutils.generate_uuid())
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@ -52,3 +52,14 @@ class TestDecisionEngineAPI(base.TestCase):
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self.api.get_strategy_info(self.context, "dummy")
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mock_call.assert_called_once_with(
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self.context, 'get_strategy_info', strategy_name="dummy")
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def test_get_data_model_info(self):
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with mock.patch.object(om.RPCClient, 'call') as mock_call:
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self.api.get_data_model_info(
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self.context,
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data_model_type='compute',
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audit=None)
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mock_call.assert_called_once_with(
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self.context, 'get_data_model_info',
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data_model_type='compute',
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audit=None)
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