+# Copyright 2017 Intel Research and Development Ireland Limited
+# *************************************************************
+
+# This file is part of OSM Monitoring module
+# All Rights Reserved to Intel Corporation
+
+# 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.
+
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: helena.mcgough@intel.com or adrian.hoban@intel.com
+
+# __author__ = "Helena McGough"
+"""Test an end to end Openstack metric requests."""
+
+import json
+
+import logging
+
+from osm_mon.core.message_bus.producer import KafkaProducer as prod
+
+from kafka import KafkaConsumer
+from kafka import KafkaProducer
+
+import mock
+
+from osm_mon.plugins.OpenStack import response
+
+from osm_mon.plugins.OpenStack.Gnocchi import metrics
+
+from osm_mon.plugins.OpenStack.common import Common
+
+log = logging.getLogger(__name__)
+
+# Instances for the openstack common and metric classes
+metric_req = metrics.Metrics()
+openstack_auth = Common()
+
+# A metric_request consumer and a producer for testing purposes
+producer = KafkaProducer(bootstrap_servers='localhost:9092')
+req_consumer = KafkaConsumer(bootstrap_servers='localhost:9092',
+ group_id='osm_mon')
+req_consumer.subscribe("metric_request")
+
+
+@mock.patch.object(metrics.Metrics, "configure_metric")
+@mock.patch.object(prod, "create_metrics_resp")
+@mock.patch.object(response.OpenStack_Response, "generate_response")
+def test_create_metric_req(resp, create_resp, config_metric):
+ """Test Gnocchi create metric request message from producer."""
+ # Set-up message, producer and consumer for tests
+ payload = {"vim_type": "OpenSTACK",
+ "correlation_id": 123,
+ "metric_create":
+ {"metric_name": "my_metric",
+ "resource_uuid": "resource_id"}}
+
+ producer.send('metric_request', key="create_metric_request",
+ value=json.dumps(payload))
+
+ for message in req_consumer:
+ # Check the vim desired by the message
+ vim_type = json.loads(message.value)["vim_type"].lower()
+ if vim_type == "openstack":
+ # A valid metric is created
+ config_metric.return_value = "metric_id", "resource_id", True
+ metric_req.metric_calls(message, openstack_auth, None)
+
+ # A response message is generated and sent by MON's producer
+ resp.assert_called_with(
+ 'create_metric_response', status=True, cor_id=123,
+ metric_id="metric_id", r_id="resource_id")
+ create_resp.assert_called_with(
+ 'create_metric_response', resp.return_value, 'metric_response')
+
+ return
+
+
+@mock.patch.object(metrics.Metrics, "delete_metric")
+@mock.patch.object(prod, "delete_metric_response")
+@mock.patch.object(response.OpenStack_Response, "generate_response")
+def test_delete_metric_req(resp, del_resp, del_metric):
+ """Test Gnocchi delete metric request message from producer."""
+ # Set-up message, producer and consumer for tests
+ payload = {"vim_type": "OpenSTACK",
+ "correlation_id": 123,
+ "metric_uuid": "metric_id",
+ "metric_name": "metric_name",
+ "resource_uuid": "resource_id"}
+
+ producer.send('metric_request', key="delete_metric_request",
+ value=json.dumps(payload))
+
+ for message in req_consumer:
+ # Check the vim desired by the message
+ vim_type = json.loads(message.value)["vim_type"].lower()
+ if vim_type == "openstack":
+ # Metric has been deleted
+ del_metric.return_value = True
+ metric_req.metric_calls(message, openstack_auth, None)
+
+ # A response message is generated and sent by MON's producer
+ resp.assert_called_with(
+ 'delete_metric_response', m_id="metric_id",
+ m_name="metric_name", status=True, r_id="resource_id",
+ cor_id=123)
+ del_resp.assert_called_with(
+ 'delete_metric_response', resp.return_value, 'metric_response')
+
+ return
+
+
+@mock.patch.object(metrics.Metrics, "read_metric_data")
+@mock.patch.object(prod, "read_metric_data_response")
+@mock.patch.object(response.OpenStack_Response, "generate_response")
+def test_read_metric_data_req(resp, read_resp, read_data):
+ """Test Gnocchi read metric data request message from producer."""
+ # Set-up message, producer and consumer for tests
+ payload = {"vim_type": "OpenSTACK",
+ "correlation_id": 123,
+ "metric_uuid": "metric_id",
+ "metric_name": "metric_name",
+ "resource_uuid": "resource_id"}
+
+ producer.send('metric_request', key="read_metric_data_request",
+ value=json.dumps(payload))
+
+ for message in req_consumer:
+ # Check the vim desired by the message
+ vim_type = json.loads(message.value)["vim_type"].lower()
+ if vim_type == "openstack":
+ # Mock empty lists generated by the request message
+ read_data.return_value = [], []
+ metric_req.metric_calls(message, openstack_auth, None)
+
+ # A response message is generated and sent by MON's producer
+ resp.assert_called_with(
+ 'read_metric_data_response', m_id="metric_id",
+ m_name="metric_name", r_id="resource_id", cor_id=123, times=[],
+ metrics=[])
+ read_resp.assert_called_with(
+ 'read_metric_data_response', resp.return_value,
+ 'metric_response')
+
+ return
+
+
+@mock.patch.object(metrics.Metrics, "list_metrics")
+@mock.patch.object(prod, "list_metric_response")
+@mock.patch.object(response.OpenStack_Response, "generate_response")
+def test_list_metrics_req(resp, list_resp, list_metrics):
+ """Test Gnocchi list metrics request message from producer."""
+ # Set-up message, producer and consumer for tests
+ payload = {"vim_type": "OpenSTACK",
+ "metrics_list_request":
+ {"correlation_id": 123, }}
+
+ producer.send('metric_request', key="list_metric_request",
+ value=json.dumps(payload))
+
+ for message in req_consumer:
+ # Check the vim desired by the message
+ vim_type = json.loads(message.value)["vim_type"].lower()
+ if vim_type == "openstack":
+ # Mock an empty list generated by the request
+ list_metrics.return_value = []
+ metric_req.metric_calls(message, openstack_auth, None)
+
+ # A response message is generated and sent by MON's producer
+ resp.assert_called_with(
+ 'list_metric_response', m_list=[], cor_id=123)
+ list_resp.assert_called_with(
+ 'list_metric_response', resp.return_value, 'metric_response')
+
+ return
+
+
+@mock.patch.object(metrics.Metrics, "get_metric_id")
+@mock.patch.object(prod, "update_metric_response")
+@mock.patch.object(response.OpenStack_Response, "generate_response")
+def test_update_metrics_req(resp, update_resp, get_id):
+ """Test Gnocchi update metric request message from KafkaProducer."""
+ # Set-up message, producer and consumer for tests
+ payload = {"vim_type": "OpenSTACK",
+ "correlation_id": 123,
+ "metric_create":
+ {"metric_name": "my_metric",
+ "resource_uuid": "resource_id", }}
+
+ producer.send('metric_request', key="update_metric_request",
+ value=json.dumps(payload))
+
+ for message in req_consumer:
+ # Check the vim desired by the message
+ vim_type = json.loads(message.value)["vim_type"].lower()
+ if vim_type == "openstack":
+ # Gnocchi doesn't support metric updates
+ get_id.return_value = "metric_id"
+ metric_req.metric_calls(message, openstack_auth, None)
+
+ # Reponse message is generated and sent via MON's producer
+ # No metric update has taken place
+ resp.assert_called_with(
+ 'update_metric_response', status=False, cor_id=123,
+ r_id="resource_id", m_id="metric_id")
+ update_resp.assert_called_with(
+ 'update_metric_response', resp.return_value, 'metric_response')
+
+ return