3eb169fac3
Squished the notification down to one process in preparation for making multiple engine instances able to talk to the same topic. Added HA capabilities to the KafkaConsumer object. Change-Id: Id4799d690c7caf10ae7ba89c2d4e0aeb76c54375
141 lines
6.2 KiB
Python
Executable File
141 lines
6.2 KiB
Python
Executable File
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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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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"""Tests the AlarmProcessor"""
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import collections
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import json
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import mock
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import time
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import unittest
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from monasca_notification.notification import Notification
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from monasca_notification.processors import alarm_processor
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alarm_tuple = collections.namedtuple('alarm_tuple', ['offset', 'message'])
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message_tuple = collections.namedtuple('message_tuple', ['value'])
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class TestAlarmProcessor(unittest.TestCase):
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def setUp(self):
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self.trap = []
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def _create_raw_alarm(self, partition, offset, message):
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"""Create a raw alarm, with the given message dictionary.
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"""
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json_msg = json.dumps({'alarm-transitioned': message})
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msg_tuple = message_tuple(json_msg)
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return [partition, alarm_tuple(offset, msg_tuple)]
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@mock.patch('MySQLdb.connect')
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@mock.patch('monasca_notification.processors.alarm_processor.log')
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def _run_alarm_processor(self, alarm, sql_response, mock_log, mock_mysql):
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"""Runs a mocked alarm processor reading from queue while running, returns (queue_message, log_message)
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"""
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# Since the log runs in another thread I can mock it directly, instead change the methods to put to a queue
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mock_log.warn = self.trap.append
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mock_log.error = self.trap.append
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mock_log.exception = self.trap.append
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# Setup the sql response
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if sql_response is not None:
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mock_mysql.return_value = mock_mysql
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mock_mysql.cursor.return_value = mock_mysql
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mock_mysql.__iter__.return_value = sql_response
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processor = alarm_processor.AlarmProcessor(600, 'mysql_host', 'mysql_user',
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'mysql_passwd', 'dbname')
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return processor.to_notification(alarm)
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def test_invalid_alarm(self):
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"""Invalid Alarms, should log and error and push to the finished queue."""
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alarm = self._create_raw_alarm(0, 1, {'invalid': 'invalid_alarm'})
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notifications, partition, offset = self._run_alarm_processor(alarm, None)
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self.assertEqual(notifications, [])
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self.assertEqual(partition, 0)
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self.assertEqual(offset, 1)
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invalid_msg = ('Invalid Alarm format skipping partition 0, offset 1\n'
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'ErrorAlarm data missing field actionsEnabled')
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self.assertIn(invalid_msg, self.trap)
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def test_old_timestamp(self):
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"""Should cause the alarm_ttl to fire log a warning and push to finished queue."""
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alarm_dict = {"tenantId": "0", "alarmDefinitionId": "0", "alarmId": "1", "alarmName": "test Alarm",
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"oldState": "OK", "newState": "ALARM", "stateChangeReason": "I am alarming!",
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"timestamp": 1375346830, "actionsEnabled": 1, "metrics": "cpu_util"}
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alarm = self._create_raw_alarm(0, 2, alarm_dict)
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notifications, partition, offset = self._run_alarm_processor(alarm, None)
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self.assertEqual(notifications, [])
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self.assertEqual(partition, 0)
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self.assertEqual(offset, 2)
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old_msg = ('Received alarm older than the ttl, skipping. '
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'Alarm from Thu Aug 1 02:47:10 2013')
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self.assertIn(old_msg, self.trap)
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def test_no_notifications(self):
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"""Test an alarm with no defined notifications
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"""
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alarm_dict = {"tenantId": "0", "alarmDefinitionId": "0", "alarmId": "1", "alarmName": "test Alarm",
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"oldState": "OK", "newState": "ALARM", "stateChangeReason": "I am alarming!",
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"timestamp": time.time(), "actionsEnabled": 1, "metrics": "cpu_util"}
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alarm = self._create_raw_alarm(0, 3, alarm_dict)
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notifications, partition, offset = self._run_alarm_processor(alarm, None)
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self.assertEqual(notifications, [])
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self.assertEqual(partition, 0)
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self.assertEqual(offset, 3)
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def test_valid_notification(self):
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"""Test a valid notification, being put onto the notification_queue
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"""
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alarm_dict = {"tenantId": "0", "alarmDefinitionId": "0", "alarmId": "1", "alarmName": "test Alarm",
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"oldState": "OK", "newState": "ALARM", "stateChangeReason": "I am alarming!",
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"timestamp": time.time(), "actionsEnabled": 1, "metrics": "cpu_util"}
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alarm = self._create_raw_alarm(0, 4, alarm_dict)
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sql_response = [['test notification', 'EMAIL', 'me@here.com']]
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notifications, partition, offset = self._run_alarm_processor(alarm, sql_response)
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test_notification = Notification('email', 0, 4, 'test notification', 'me@here.com', alarm_dict)
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self.assertEqual(notifications, [test_notification])
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self.assertEqual(partition, 0)
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self.assertEqual(offset, 4)
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def test_two_valid_notifications(self):
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alarm_dict = {"tenantId": "0", "alarmDefinitionId": "0", "alarmId": "1", "alarmName": "test Alarm",
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"oldState": "OK", "newState": "ALARM", "stateChangeReason": "I am alarming!",
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"timestamp": time.time(), "actionsEnabled": 1, "metrics": "cpu_util"}
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alarm = self._create_raw_alarm(0, 5, alarm_dict)
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sql_response = [['test notification', 'EMAIL', 'me@here.com'], ['test notification2', 'EMAIL', 'me@here.com']]
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notifications, partition, offset = self._run_alarm_processor(alarm, sql_response)
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test_notification = Notification('email', 0, 5, 'test notification', 'me@here.com', alarm_dict)
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test_notification2 = Notification('email', 0, 5, 'test notification2', 'me@here.com', alarm_dict)
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self.assertEqual(notifications, [test_notification, test_notification2])
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self.assertEqual(partition, 0)
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self.assertEqual(offset, 5)
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