159 lines
7.3 KiB
Python
159 lines
7.3 KiB
Python
# (C) Copyright 2014-2016 Hewlett Packard Enterprise Development LP
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# Copyright 2017 Fujitsu LIMITED
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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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from monasca_notification import notification as m_notification
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from monasca_notification.processors import alarm_processor
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from tests import base
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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(base.BaseTestCase):
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def setUp(self):
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super(TestAlarmProcessor, self).setUp()
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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('pymysql.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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self.conf_override(group='mysql', ssl=None,
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host='localhost', port='3306',
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user='mysql_user', db='dbname',
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passwd='mysql_passwd')
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self.conf_override(group='statsd', host='localhost',
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port=8125)
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processor = alarm_processor.AlarmProcessor()
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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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timestamp = 1375346830042
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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": timestamp, "actionsEnabled": 1, "metrics": "cpu_util",
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"severity": "LOW", "link": "http://some-place.com", "lifecycleState": "OPEN"}
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alarm = self._create_raw_alarm(0, 2, alarm_dict)
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expected_datetime = time.ctime(timestamp / 1000)
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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 {datetime}'.format(datetime=expected_datetime))
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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() * 1000, "actionsEnabled": 1, "metrics": "cpu_util",
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"severity": "LOW", "link": "http://some-place.com", "lifecycleState": "OPEN"}
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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() * 1000, "actionsEnabled": 1, "metrics": "cpu_util",
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"severity": "LOW", "link": "http://some-place.com", "lifecycleState": "OPEN"}
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alarm = self._create_raw_alarm(0, 4, alarm_dict)
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sql_response = [[1, 'EMAIL', 'test notification', 'me@here.com', 0]]
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notifications, partition, offset = self._run_alarm_processor(alarm, sql_response)
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test_notification = m_notification.Notification(1, 'email', 'test notification',
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'me@here.com', 0, 0, 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() * 1000, "actionsEnabled": 1, "metrics": "cpu_util",
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"severity": "LOW", "link": "http://some-place.com", "lifecycleState": "OPEN"}
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alarm = self._create_raw_alarm(0, 5, alarm_dict)
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sql_response = [[1, 'EMAIL', 'test notification', 'me@here.com', 0],
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[2, 'EMAIL', 'test notification2', 'me@here.com', 0]]
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notifications, partition, offset = self._run_alarm_processor(alarm, sql_response)
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test_notification = m_notification.Notification(1, 'email', 'test notification',
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'me@here.com', 0, 0, alarm_dict)
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test_notification2 = m_notification.Notification(2, 'email', 'test notification2',
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'me@here.com', 0, 0, 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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