/usr/lib/python2.7/dist-packages/aodh/tests/unit/evaluator/test_combination.py is in python-aodh 2.0.0-0ubuntu1.
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# Copyright 2013 eNovance <licensing@enovance.com>
#
# Authors: Mehdi Abaakouk <mehdi.abaakouk@enovance.com>
#
# 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.
"""Tests for aodh/evaluator/combination.py
"""
import datetime
import uuid
from ceilometerclient import exc
from ceilometerclient.v2 import alarms
import mock
from oslo_utils import timeutils
import pytz
from aodh.evaluator import combination
from aodh.storage import models
from aodh.tests import constants
from aodh.tests.unit.evaluator import base
class TestEvaluate(base.TestEvaluatorBase):
EVALUATOR = combination.CombinationEvaluator
def prepare_alarms(self):
self.alarms = [
models.Alarm(name='or-alarm',
description='the or alarm',
type='combination',
enabled=True,
user_id='foobar',
project_id='snafu',
alarm_id=str(uuid.uuid4()),
state='insufficient data',
state_timestamp=constants.MIN_DATETIME,
timestamp=constants.MIN_DATETIME,
insufficient_data_actions=[],
ok_actions=[],
alarm_actions=[],
repeat_actions=False,
time_constraints=[],
rule=dict(
alarm_ids=[
'9cfc3e51-2ff1-4b1d-ac01-c1bd4c6d0d1e',
'1d441595-d069-4e05-95ab-8693ba6a8302'],
operator='or',
),
severity='critical'),
models.Alarm(name='and-alarm',
description='the and alarm',
type='combination',
enabled=True,
user_id='foobar',
project_id='snafu',
alarm_id=str(uuid.uuid4()),
state='insufficient data',
state_timestamp=constants.MIN_DATETIME,
timestamp=constants.MIN_DATETIME,
insufficient_data_actions=[],
ok_actions=[],
alarm_actions=[],
repeat_actions=False,
time_constraints=[],
rule=dict(
alarm_ids=[
'b82734f4-9d06-48f3-8a86-fa59a0c99dc8',
'15a700e5-2fe8-4b3d-8c55-9e92831f6a2b'],
operator='and',
),
severity='critical')
]
@staticmethod
def _get_alarms(state):
return [alarms.Alarm(None, {'state': state})]
@staticmethod
def _reason_data(alarm_ids):
return {'type': 'combination', 'alarm_ids': alarm_ids}
def _combination_transition_reason(self, state, alarm_ids1, alarm_ids2):
return ([('Transition to %(state)s due to alarms %(alarm_ids)s'
' in state %(state)s')
% {'state': state, 'alarm_ids': ",".join(alarm_ids1)},
('Transition to %(state)s due to alarms %(alarm_ids)s'
' in state %(state)s')
% {'state': state, 'alarm_ids': ",".join(alarm_ids2)}],
[self._reason_data(alarm_ids1), self._reason_data(alarm_ids2)])
def _combination_remaining_reason(self, state, alarm_ids1, alarm_ids2):
return ([('Remaining as %(state)s due to alarms %(alarm_ids)s'
' in state %(state)s')
% {'state': state, 'alarm_ids': ",".join(alarm_ids1)},
('Remaining as %(state)s due to alarms %(alarm_ids)s'
' in state %(state)s')
% {'state': state, 'alarm_ids': ",".join(alarm_ids2)}],
[self._reason_data(alarm_ids1), self._reason_data(alarm_ids2)])
def test_retry_transient_api_failure(self):
broken = exc.CommunicationError(message='broken')
self.storage_conn.get_alarms.side_effect = [
broken,
broken,
broken,
broken,
self._get_alarms('ok'),
self._get_alarms('ok'),
self._get_alarms('ok'),
self._get_alarms('ok'),
]
self._evaluate_all_alarms()
self._assert_all_alarms('insufficient data')
self._evaluate_all_alarms()
self._assert_all_alarms('ok')
def test_simple_insufficient(self):
self._set_all_alarms('ok')
broken = exc.CommunicationError(message='broken')
self.storage_conn.get_alarms.side_effect = broken
self._evaluate_all_alarms()
self._assert_all_alarms('insufficient data')
expected = [mock.call(alarm) for alarm in self.alarms]
update_calls = self.storage_conn.update_alarm.call_args_list
self.assertEqual(expected, update_calls)
expected = [mock.call(
alarm,
'ok',
('Alarms %s are in unknown state' %
(",".join(alarm.rule['alarm_ids']))),
self._reason_data(alarm.rule['alarm_ids']))
for alarm in self.alarms]
self.assertEqual(expected, self.notifier.notify.call_args_list)
def test_to_ok_with_all_ok(self):
self._set_all_alarms('insufficient data')
self.storage_conn.get_alarms.side_effect = [
self._get_alarms('ok'),
self._get_alarms('ok'),
self._get_alarms('ok'),
self._get_alarms('ok'),
]
self._evaluate_all_alarms()
expected = [mock.call(alarm) for alarm in self.alarms]
update_calls = self.storage_conn.update_alarm.call_args_list
self.assertEqual(expected, update_calls)
reasons, reason_datas = self._combination_transition_reason(
'ok',
self.alarms[0].rule['alarm_ids'],
self.alarms[1].rule['alarm_ids'])
expected = [mock.call(alarm, 'insufficient data',
reason, reason_data)
for alarm, reason, reason_data
in zip(self.alarms, reasons, reason_datas)]
self.assertEqual(expected, self.notifier.notify.call_args_list)
def test_to_ok_with_one_alarm(self):
self._set_all_alarms('alarm')
self.storage_conn.get_alarms.side_effect = [
self._get_alarms('ok'),
self._get_alarms('ok'),
self._get_alarms('alarm'),
self._get_alarms('ok'),
]
self._evaluate_all_alarms()
expected = [mock.call(alarm) for alarm in self.alarms]
update_calls = self.storage_conn.update_alarm.call_args_list
self.assertEqual(expected, update_calls)
reasons, reason_datas = self._combination_transition_reason(
'ok',
self.alarms[0].rule['alarm_ids'],
[self.alarms[1].rule['alarm_ids'][1]])
expected = [mock.call(alarm, 'alarm', reason, reason_data)
for alarm, reason, reason_data
in zip(self.alarms, reasons, reason_datas)]
self.assertEqual(expected, self.notifier.notify.call_args_list)
def test_to_alarm_with_all_alarm(self):
self._set_all_alarms('ok')
self.storage_conn.get_alarms.side_effect = [
self._get_alarms('alarm'),
self._get_alarms('alarm'),
self._get_alarms('alarm'),
self._get_alarms('alarm'),
]
self._evaluate_all_alarms()
expected = [mock.call(alarm) for alarm in self.alarms]
update_calls = self.storage_conn.update_alarm.call_args_list
self.assertEqual(expected, update_calls)
reasons, reason_datas = self._combination_transition_reason(
'alarm',
self.alarms[0].rule['alarm_ids'],
self.alarms[1].rule['alarm_ids'])
expected = [mock.call(alarm, 'ok', reason, reason_data)
for alarm, reason, reason_data
in zip(self.alarms, reasons, reason_datas)]
self.assertEqual(expected, self.notifier.notify.call_args_list)
def test_to_alarm_with_one_insufficient_data(self):
self._set_all_alarms('ok')
self.storage_conn.get_alarms.side_effect = [
self._get_alarms('insufficient data'),
self._get_alarms('alarm'),
self._get_alarms('alarm'),
self._get_alarms('alarm'),
]
self._evaluate_all_alarms()
expected = [mock.call(alarm) for alarm in self.alarms]
update_calls = self.storage_conn.update_alarm.call_args_list
self.assertEqual(expected, update_calls)
reasons, reason_datas = self._combination_transition_reason(
'alarm',
[self.alarms[0].rule['alarm_ids'][1]],
self.alarms[1].rule['alarm_ids'])
expected = [mock.call(alarm, 'ok', reason, reason_data)
for alarm, reason, reason_data
in zip(self.alarms, reasons, reason_datas)]
self.assertEqual(expected, self.notifier.notify.call_args_list)
def test_to_alarm_with_one_ok(self):
self._set_all_alarms('ok')
self.storage_conn.get_alarms.side_effect = [
self._get_alarms('ok'),
self._get_alarms('alarm'),
self._get_alarms('alarm'),
self._get_alarms('alarm'),
]
self._evaluate_all_alarms()
expected = [mock.call(alarm) for alarm in self.alarms]
update_calls = self.storage_conn.update_alarm.call_args_list
self.assertEqual(expected, update_calls)
reasons, reason_datas = self._combination_transition_reason(
'alarm',
[self.alarms[0].rule['alarm_ids'][1]],
self.alarms[1].rule['alarm_ids'])
expected = [mock.call(alarm, 'ok', reason, reason_data)
for alarm, reason, reason_data
in zip(self.alarms, reasons, reason_datas)]
self.assertEqual(expected, self.notifier.notify.call_args_list)
def test_to_unknown(self):
self._set_all_alarms('ok')
broken = exc.CommunicationError(message='broken')
self.storage_conn.get_alarms.side_effect = [
broken,
self._get_alarms('ok'),
self._get_alarms('insufficient data'),
self._get_alarms('ok'),
]
self._evaluate_all_alarms()
expected = [mock.call(alarm) for alarm in self.alarms]
update_calls = self.storage_conn.update_alarm.call_args_list
self.assertEqual(expected, update_calls)
reasons = ['Alarms %s are in unknown state'
% self.alarms[0].rule['alarm_ids'][0],
'Alarms %s are in unknown state'
% self.alarms[1].rule['alarm_ids'][0]]
reason_datas = [
self._reason_data([self.alarms[0].rule['alarm_ids'][0]]),
self._reason_data([self.alarms[1].rule['alarm_ids'][0]])]
expected = [mock.call(alarm, 'ok', reason, reason_data)
for alarm, reason, reason_data
in zip(self.alarms, reasons, reason_datas)]
self.assertEqual(expected, self.notifier.notify.call_args_list)
def test_no_state_change(self):
self._set_all_alarms('ok')
self.storage_conn.get_alarms.side_effect = [
self._get_alarms('ok'),
self._get_alarms('ok'),
self._get_alarms('ok'),
self._get_alarms('ok'),
]
self._evaluate_all_alarms()
update_calls = self.storage_conn.update_alarm.call_args_list
self.assertEqual([], update_calls)
self.assertEqual([], self.notifier.notify.call_args_list)
def test_no_state_change_and_repeat_actions(self):
self.alarms[0].repeat_actions = True
self.alarms[1].repeat_actions = True
self._set_all_alarms('ok')
self.storage_conn.get_alarms.side_effect = [
self._get_alarms('ok'),
self._get_alarms('ok'),
self._get_alarms('ok'),
self._get_alarms('ok'),
]
self._evaluate_all_alarms()
update_calls = self.storage_conn.update_alarm.call_args_list
self.assertEqual([], update_calls)
reasons, reason_datas = self._combination_remaining_reason(
'ok',
self.alarms[0].rule['alarm_ids'],
self.alarms[1].rule['alarm_ids'])
expected = [mock.call(alarm, 'ok', reason, reason_data)
for alarm, reason, reason_data
in zip(self.alarms, reasons, reason_datas)]
self.assertEqual(expected, self.notifier.notify.call_args_list)
@mock.patch.object(timeutils, 'utcnow')
def test_state_change_inside_time_constraint(self, mock_utcnow):
self._set_all_alarms('insufficient data')
self.alarms[0].time_constraints = [
{'name': 'test',
'description': 'test',
'start': '0 11 * * *', # daily at 11:00
'duration': 10800, # 3 hours
'timezone': 'Europe/Ljubljana'}
]
self.alarms[1].time_constraints = self.alarms[0].time_constraints
dt = datetime.datetime(2014, 1, 1, 12, 0, 0,
tzinfo=pytz.timezone('Europe/Ljubljana'))
mock_utcnow.return_value = dt.astimezone(pytz.UTC)
self.storage_conn.get_alarms.side_effect = [
self._get_alarms('ok'),
self._get_alarms('ok'),
self._get_alarms('ok'),
self._get_alarms('ok'),
]
self._evaluate_all_alarms()
expected = [mock.call(alarm) for alarm in self.alarms]
update_calls = self.storage_conn.update_alarm.call_args_list
self.assertEqual(expected, update_calls,
"Alarm should change state if the current "
"time is inside its time constraint.")
reasons, reason_datas = self._combination_transition_reason(
'ok',
self.alarms[0].rule['alarm_ids'],
self.alarms[1].rule['alarm_ids'])
expected = [mock.call(alarm, 'insufficient data',
reason, reason_data)
for alarm, reason, reason_data
in zip(self.alarms, reasons, reason_datas)]
self.assertEqual(expected, self.notifier.notify.call_args_list)
@mock.patch.object(timeutils, 'utcnow')
def test_no_state_change_outside_time_constraint(self, mock_utcnow):
self._set_all_alarms('insufficient data')
self.alarms[0].time_constraints = [
{'name': 'test',
'description': 'test',
'start': '0 11 * * *', # daily at 11:00
'duration': 10800, # 3 hours
'timezone': 'Europe/Ljubljana'}
]
self.alarms[1].time_constraints = self.alarms[0].time_constraints
dt = datetime.datetime(2014, 1, 1, 15, 0, 0,
tzinfo=pytz.timezone('Europe/Ljubljana'))
mock_utcnow.return_value = dt.astimezone(pytz.UTC)
self.storage_conn.get_alarms.side_effect = [
self._get_alarms('ok'),
self._get_alarms('ok'),
self._get_alarms('ok'),
self._get_alarms('ok'),
]
self._evaluate_all_alarms()
update_calls = self.storage_conn.update_alarm.call_args_list
self.assertEqual([], update_calls,
"Alarm should not change state if the current "
" time is outside its time constraint.")
self.assertEqual([], self.notifier.notify.call_args_list)
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