# # 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. import datetime import mox from heat.common import exception from heat.db import api as db_api from heat.engine import parser from heat.engine import watchrule from heat.openstack.common import timeutils from heat.tests.common import HeatTestCase from heat.tests import utils class WatchData(object): def __init__(self, data, created_at): self.created_at = created_at self.data = {'test_metric': {'Value': data, 'Unit': 'Count'}} class DummyAction(object): signal = "DummyAction" class WatchRuleTest(HeatTestCase): stack_id = None def setUpDatabase(self): if self.stack_id is not None: return # Create a dummy stack in the DB as WatchRule instances # must be associated with a stack ctx = utils.dummy_context() ctx.auth_token = 'abcd1234' empty_tmpl = {'HeatTemplateFormatVersion': '2012-12-12'} tmpl = parser.Template(empty_tmpl) stack_name = 'dummystack' dummy_stack = parser.Stack(ctx, stack_name, tmpl) dummy_stack.state_set(dummy_stack.CREATE, dummy_stack.COMPLETE, 'Testing') dummy_stack.store() self.stack_id = dummy_stack.id def setUp(self): super(WatchRuleTest, self).setUp() self.setUpDatabase() self.username = 'watchrule_test_user' self.ctx = utils.dummy_context() self.ctx.auth_token = 'abcd1234' self.m.ReplayAll() def _action_set_stubs(self, now, action_expected=True): # Setup stubs for the action tests self.m.StubOutWithMock(timeutils, 'utcnow') timeutils.utcnow().MultipleTimes().AndReturn(now) if action_expected: dummy_action = DummyAction() self.m.StubOutWithMock(parser.Stack, 'resource_by_refid') parser.Stack.resource_by_refid(mox.IgnoreArg()).\ MultipleTimes().AndReturn(dummy_action) self.m.ReplayAll() def test_minimum(self): rule = {'EvaluationPeriods': '1', 'MetricName': 'test_metric', 'Period': '300', 'Statistic': 'Minimum', 'ComparisonOperator': 'LessThanOrEqualToThreshold', 'Threshold': '50'} now = timeutils.utcnow() last = now - datetime.timedelta(seconds=320) data = [WatchData(77, now - datetime.timedelta(seconds=100))] data.append(WatchData(53, now - datetime.timedelta(seconds=150))) # all > 50 -> NORMAL self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=data, stack_id=self.stack_id, last_evaluated=last) new_state = self.wr.get_alarm_state() self.assertEqual('NORMAL', new_state) data.append(WatchData(25, now - datetime.timedelta(seconds=250))) self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=data, stack_id=self.stack_id, last_evaluated=last) new_state = self.wr.get_alarm_state() self.assertEqual('ALARM', new_state) def test_maximum(self): rule = {'EvaluationPeriods': '1', 'MetricName': 'test_metric', 'Period': '300', 'Statistic': 'Maximum', 'ComparisonOperator': 'GreaterThanOrEqualToThreshold', 'Threshold': '30'} now = timeutils.utcnow() last = now - datetime.timedelta(seconds=320) data = [WatchData(7, now - datetime.timedelta(seconds=100))] data.append(WatchData(23, now - datetime.timedelta(seconds=150))) # all < 30 -> NORMAL self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=data, stack_id=self.stack_id, last_evaluated=last) self.wr.now = now new_state = self.wr.get_alarm_state() self.assertEqual('NORMAL', new_state) data.append(WatchData(35, now - datetime.timedelta(seconds=150))) self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=data, stack_id=self.stack_id, last_evaluated=last) self.wr.now = now new_state = self.wr.get_alarm_state() self.assertEqual('ALARM', new_state) def test_samplecount(self): rule = {'EvaluationPeriods': '1', 'MetricName': 'test_metric', 'Period': '300', 'Statistic': 'SampleCount', 'ComparisonOperator': 'GreaterThanOrEqualToThreshold', 'Threshold': '3'} now = timeutils.utcnow() last = now - datetime.timedelta(seconds=320) data = [WatchData(1, now - datetime.timedelta(seconds=100))] data.append(WatchData(1, now - datetime.timedelta(seconds=150))) # only 2 samples -> NORMAL self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=data, stack_id=self.stack_id, last_evaluated=last) self.wr.now = now new_state = self.wr.get_alarm_state() self.assertEqual('NORMAL', new_state) # only 3 samples -> ALARM data.append(WatchData(1, now - datetime.timedelta(seconds=200))) self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=data, stack_id=self.stack_id, last_evaluated=last) self.wr.now = now new_state = self.wr.get_alarm_state() self.assertEqual('ALARM', new_state) # only 3 samples (one old) -> NORMAL data.pop(0) data.append(WatchData(1, now - datetime.timedelta(seconds=400))) self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=data, stack_id=self.stack_id, last_evaluated=last) self.wr.now = now new_state = self.wr.get_alarm_state() self.assertEqual('NORMAL', new_state) def test_sum(self): rule = {'EvaluationPeriods': '1', 'MetricName': 'test_metric', 'Period': '300', 'Statistic': 'Sum', 'ComparisonOperator': 'GreaterThanOrEqualToThreshold', 'Threshold': '100'} now = timeutils.utcnow() last = now - datetime.timedelta(seconds=320) data = [WatchData(17, now - datetime.timedelta(seconds=100))] data.append(WatchData(23, now - datetime.timedelta(seconds=150))) # all < 40 -> NORMAL self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=data, stack_id=self.stack_id, last_evaluated=last) self.wr.now = now new_state = self.wr.get_alarm_state() self.assertEqual('NORMAL', new_state) # sum > 100 -> ALARM data.append(WatchData(85, now - datetime.timedelta(seconds=150))) self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=data, stack_id=self.stack_id, last_evaluated=last) self.wr.now = now new_state = self.wr.get_alarm_state() self.assertEqual('ALARM', new_state) def test_ave(self): rule = {'EvaluationPeriods': '1', 'MetricName': 'test_metric', 'Period': '300', 'Statistic': 'Average', 'ComparisonOperator': 'GreaterThanThreshold', 'Threshold': '100'} now = timeutils.utcnow() last = now - datetime.timedelta(seconds=320) data = [WatchData(117, now - datetime.timedelta(seconds=100))] data.append(WatchData(23, now - datetime.timedelta(seconds=150))) self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=data, stack_id=self.stack_id, last_evaluated=last) self.wr.now = now new_state = self.wr.get_alarm_state() self.assertEqual('NORMAL', new_state) data.append(WatchData(195, now - datetime.timedelta(seconds=250))) self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=data, stack_id=self.stack_id, last_evaluated=last) self.wr.now = now new_state = self.wr.get_alarm_state() self.assertEqual('ALARM', new_state) def test_load(self): # Insert two dummy watch rules into the DB rule = {u'EvaluationPeriods': u'1', u'AlarmActions': [u'WebServerRestartPolicy'], u'AlarmDescription': u'Restart the WikiDatabase', u'Namespace': u'system/linux', u'Period': u'300', u'ComparisonOperator': u'GreaterThanThreshold', u'Statistic': u'SampleCount', u'Threshold': u'2', u'MetricName': u'ServiceFailure'} self.wr = [] self.wr.append(watchrule.WatchRule(context=self.ctx, watch_name='HttpFailureAlarm', rule=rule, watch_data=[], stack_id=self.stack_id, state='NORMAL')) self.wr[0].store() self.wr.append(watchrule.WatchRule(context=self.ctx, watch_name='AnotherWatch', rule=rule, watch_data=[], stack_id=self.stack_id, state='NORMAL')) self.wr[1].store() # Then use WatchRule.load() to retrieve each by name # and check that the object properties match the data above for wn in ('HttpFailureAlarm', 'AnotherWatch'): wr = watchrule.WatchRule.load(self.ctx, wn) self.assertIsInstance(wr, watchrule.WatchRule) self.assertEqual(wn, wr.name) self.assertEqual('NORMAL', wr.state) self.assertEqual(rule, wr.rule) self.assertEqual(datetime.timedelta(seconds=int(rule['Period'])), wr.timeperiod) def test_store(self): rule = {u'EvaluationPeriods': u'1', u'AlarmActions': [u'WebServerRestartPolicy'], u'AlarmDescription': u'Restart the WikiDatabase', u'Namespace': u'system/linux', u'Period': u'300', u'ComparisonOperator': u'GreaterThanThreshold', u'Statistic': u'SampleCount', u'Threshold': u'2', u'MetricName': u'ServiceFailure'} self.wr = watchrule.WatchRule(context=self.ctx, watch_name='storetest', stack_id=self.stack_id, rule=rule) self.wr.store() dbwr = db_api.watch_rule_get_by_name(self.ctx, 'storetest') self.assertIsNotNone(dbwr) self.assertEqual('storetest', dbwr.name) self.assertEqual(watchrule.WatchRule.NODATA, dbwr.state) self.assertEqual(rule, dbwr.rule) def test_evaluate(self): rule = {'EvaluationPeriods': '1', 'MetricName': 'test_metric', 'Period': '300', 'Statistic': 'Maximum', 'ComparisonOperator': 'GreaterThanOrEqualToThreshold', 'Threshold': '30'} now = timeutils.utcnow() self.m.StubOutWithMock(timeutils, 'utcnow') timeutils.utcnow().MultipleTimes().AndReturn(now) self.m.ReplayAll() # It's not time to evaluate, so should stay NODATA last = now - datetime.timedelta(seconds=299) data = WatchData(25, now - datetime.timedelta(seconds=150)) self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=[data], stack_id=self.stack_id, last_evaluated=last) actions = self.wr.evaluate() self.assertEqual('NODATA', self.wr.state) self.assertEqual([], actions) # now - last == Period, so should set NORMAL last = now - datetime.timedelta(seconds=300) data = WatchData(25, now - datetime.timedelta(seconds=150)) self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=[data], stack_id=self.stack_id, last_evaluated=last) actions = self.wr.evaluate() self.assertEqual('NORMAL', self.wr.state) self.assertEqual(now, self.wr.last_evaluated) self.assertEqual([], actions) # Now data breaches Threshold, so should set ALARM last = now - datetime.timedelta(seconds=300) data = WatchData(35, now - datetime.timedelta(seconds=150)) self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=[data], stack_id=self.stack_id, last_evaluated=last) actions = self.wr.evaluate() self.assertEqual('ALARM', self.wr.state) self.assertEqual(now, self.wr.last_evaluated) self.assertEqual([], actions) def test_evaluate_suspend(self): rule = {'EvaluationPeriods': '1', 'MetricName': 'test_metric', 'Period': '300', 'Statistic': 'Maximum', 'ComparisonOperator': 'GreaterThanOrEqualToThreshold', 'Threshold': '30'} now = timeutils.utcnow() self.m.StubOutWithMock(timeutils, 'utcnow') timeutils.utcnow().MultipleTimes().AndReturn(now) self.m.ReplayAll() # Now data breaches Threshold, but we're suspended last = now - datetime.timedelta(seconds=300) data = WatchData(35, now - datetime.timedelta(seconds=150)) self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=[data], stack_id=self.stack_id, last_evaluated=last) self.wr.state_set(self.wr.SUSPENDED) actions = self.wr.evaluate() self.assertEqual(self.wr.SUSPENDED, self.wr.state) self.assertEqual([], actions) def test_rule_actions_alarm_normal(self): rule = {'EvaluationPeriods': '1', 'MetricName': 'test_metric', 'AlarmActions': ['DummyAction'], 'Period': '300', 'Statistic': 'Maximum', 'ComparisonOperator': 'GreaterThanOrEqualToThreshold', 'Threshold': '30'} now = timeutils.utcnow() self._action_set_stubs(now, action_expected=False) # Set data so rule evaluates to NORMAL state last = now - datetime.timedelta(seconds=300) data = WatchData(25, now - datetime.timedelta(seconds=150)) self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=[data], stack_id=self.stack_id, last_evaluated=last) actions = self.wr.evaluate() self.assertEqual('NORMAL', self.wr.state) self.assertEqual([], actions) self.m.VerifyAll() def test_rule_actions_alarm_alarm(self): rule = {'EvaluationPeriods': '1', 'MetricName': 'test_metric', 'AlarmActions': ['DummyAction'], 'Period': '300', 'Statistic': 'Maximum', 'ComparisonOperator': 'GreaterThanOrEqualToThreshold', 'Threshold': '30'} now = timeutils.utcnow() self._action_set_stubs(now) # Set data so rule evaluates to ALARM state last = now - datetime.timedelta(seconds=300) data = WatchData(35, now - datetime.timedelta(seconds=150)) self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=[data], stack_id=self.stack_id, last_evaluated=last) actions = self.wr.evaluate() self.assertEqual('ALARM', self.wr.state) self.assertEqual(['DummyAction'], actions) # re-set last_evaluated so the rule will be evaluated again. last = now - datetime.timedelta(seconds=300) self.wr.last_evaluated = last actions = self.wr.evaluate() self.assertEqual('ALARM', self.wr.state) self.assertEqual(['DummyAction'], actions) self.m.VerifyAll() def test_rule_actions_alarm_two_actions(self): rule = {'EvaluationPeriods': '1', 'MetricName': 'test_metric', 'AlarmActions': ['DummyAction', 'AnotherDummyAction'], 'Period': '300', 'Statistic': 'Maximum', 'ComparisonOperator': 'GreaterThanOrEqualToThreshold', 'Threshold': '30'} now = timeutils.utcnow() self._action_set_stubs(now) # Set data so rule evaluates to ALARM state last = now - datetime.timedelta(seconds=300) data = WatchData(35, now - datetime.timedelta(seconds=150)) self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=[data], stack_id=self.stack_id, last_evaluated=last) actions = self.wr.evaluate() self.assertEqual('ALARM', self.wr.state) self.assertEqual(['DummyAction', 'DummyAction'], actions) self.m.VerifyAll() def test_rule_actions_ok_alarm(self): rule = {'EvaluationPeriods': '1', 'MetricName': 'test_metric', 'OKActions': ['DummyAction'], 'Period': '300', 'Statistic': 'Maximum', 'ComparisonOperator': 'GreaterThanOrEqualToThreshold', 'Threshold': '30'} now = timeutils.utcnow() self._action_set_stubs(now, action_expected=False) # On creation the rule evaluates to NODATA state last = now - datetime.timedelta(seconds=300) self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=[], stack_id=self.stack_id, last_evaluated=last) actions = self.wr.evaluate() self.assertEqual('NODATA', self.wr.state) self.assertEqual([], actions) # Move time forward and add data below threshold so we transition from # ALARM -> NORMAL, so evaluate() should output a 'DummyAction' now = now + datetime.timedelta(seconds=300) self.m.VerifyAll() self.m.UnsetStubs() self._action_set_stubs(now) data = WatchData(25, now - datetime.timedelta(seconds=150)) self.wr.watch_data = [data] actions = self.wr.evaluate() self.assertEqual('NORMAL', self.wr.state) self.assertEqual(['DummyAction'], actions) self.m.VerifyAll() def test_rule_actions_nodata(self): rule = {'EvaluationPeriods': '1', 'MetricName': 'test_metric', 'InsufficientDataActions': ['DummyAction'], 'Period': '300', 'Statistic': 'Maximum', 'ComparisonOperator': 'GreaterThanOrEqualToThreshold', 'Threshold': '30'} now = timeutils.utcnow() self._action_set_stubs(now, action_expected=False) # Set data so rule evaluates to ALARM state last = now - datetime.timedelta(seconds=300) data = WatchData(35, now - datetime.timedelta(seconds=150)) self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=[data], stack_id=self.stack_id, last_evaluated=last) actions = self.wr.evaluate() self.assertEqual('ALARM', self.wr.state) self.assertEqual([], actions) # Move time forward and don't add data so we transition from # ALARM -> NODATA, so evaluate() should output a 'DummyAction' now = now + datetime.timedelta(seconds=300) self.m.VerifyAll() self.m.UnsetStubs() self._action_set_stubs(now) actions = self.wr.evaluate() self.assertEqual('NODATA', self.wr.state) self.assertEqual(['DummyAction'], actions) self.m.VerifyAll() def test_create_watch_data(self): rule = {u'EvaluationPeriods': u'1', u'AlarmDescription': u'test alarm', u'Period': u'300', u'ComparisonOperator': u'GreaterThanThreshold', u'Statistic': u'SampleCount', u'Threshold': u'2', u'MetricName': u'CreateDataMetric'} self.wr = watchrule.WatchRule(context=self.ctx, watch_name='create_data_test', stack_id=self.stack_id, rule=rule) self.wr.store() data = {u'CreateDataMetric': {"Unit": "Counter", "Value": "1", "Dimensions": []}} self.wr.create_watch_data(data) dbwr = db_api.watch_rule_get_by_name(self.ctx, 'create_data_test') self.assertEqual(data, dbwr.watch_data[0].data) # Note, would be good to write another datapoint and check it # but sqlite seems to not interpret the backreference correctly # so dbwr.watch_data is always a list containing only the latest # datapoint. In non-test use on mysql this is not the case, we # correctly get a list of all datapoints where watch_rule_id == # watch_rule.id, so leave it as a single-datapoint test for now. def test_create_watch_data_suspended(self): rule = {u'EvaluationPeriods': u'1', u'AlarmDescription': u'test alarm', u'Period': u'300', u'ComparisonOperator': u'GreaterThanThreshold', u'Statistic': u'SampleCount', u'Threshold': u'2', u'MetricName': u'CreateDataMetric'} self.wr = watchrule.WatchRule(context=self.ctx, watch_name='create_data_test', stack_id=self.stack_id, rule=rule, state=watchrule.WatchRule.SUSPENDED) self.wr.store() data = {u'CreateDataMetric': {"Unit": "Counter", "Value": "1", "Dimensions": []}} self.wr.create_watch_data(data) dbwr = db_api.watch_rule_get_by_name(self.ctx, 'create_data_test') self.assertEqual([], dbwr.watch_data) def test_create_watch_data_match(self): rule = {u'EvaluationPeriods': u'1', u'AlarmDescription': u'test alarm', u'Period': u'300', u'ComparisonOperator': u'GreaterThanThreshold', u'Statistic': u'SampleCount', u'Threshold': u'2', u'Dimensions': [{u'Name': 'AutoScalingGroupName', u'Value': 'group_x'}], u'MetricName': u'CreateDataMetric'} self.wr = watchrule.WatchRule(context=self.ctx, watch_name='create_data_test', stack_id=self.stack_id, rule=rule) self.wr.store() data = {u'CreateDataMetric': {"Unit": "Counter", "Value": "1", "Dimensions": [{u'AutoScalingGroupName': u'group_x'}]}} self.assertTrue(watchrule.rule_can_use_sample(self.wr, data)) def test_create_watch_data_match_2(self): rule = {u'EvaluationPeriods': u'1', u'AlarmDescription': u'test alarm', u'Period': u'300', u'ComparisonOperator': u'GreaterThanThreshold', u'Statistic': u'SampleCount', u'Threshold': u'2', u'Dimensions': [{u'Name': 'AutoScalingGroupName', u'Value': 'group_x'}], u'MetricName': u'CreateDataMetric'} self.wr = watchrule.WatchRule(context=self.ctx, watch_name='create_data_test', stack_id=self.stack_id, rule=rule) self.wr.store() data = {u'not_interesting': {"Unit": "Counter", "Value": "1", "Dimensions": [ {u'AutoScalingGroupName': u'group_x'}]}, u'CreateDataMetric': {"Unit": "Counter", "Value": "1", "Dimensions": [ {u'AutoScalingGroupName': u'group_x'}]}} self.assertTrue(watchrule.rule_can_use_sample(self.wr, data)) def test_create_watch_data_match_3(self): rule = {u'EvaluationPeriods': u'1', u'AlarmDescription': u'test alarm', u'Period': u'300', u'ComparisonOperator': u'GreaterThanThreshold', u'Statistic': u'SampleCount', u'Threshold': u'2', u'Dimensions': [{u'Name': 'AutoScalingGroupName', u'Value': 'group_x'}], u'MetricName': u'CreateDataMetric'} self.wr = watchrule.WatchRule(context=self.ctx, watch_name='create_data_test', stack_id=self.stack_id, rule=rule) self.wr.store() data = {u'CreateDataMetric': {"Unit": "Counter", "Value": "1", "Dimensions": [ {u'AutoScalingGroupName': u'not_this'}]}, u'CreateDataMetric': {"Unit": "Counter", "Value": "1", "Dimensions": [ {u'AutoScalingGroupName': u'group_x'}]}} self.assertTrue(watchrule.rule_can_use_sample(self.wr, data)) def test_create_watch_data_not_match_metric(self): rule = {u'EvaluationPeriods': u'1', u'AlarmDescription': u'test alarm', u'Period': u'300', u'ComparisonOperator': u'GreaterThanThreshold', u'Statistic': u'SampleCount', u'Threshold': u'2', u'Dimensions': [{u'Name': 'AutoScalingGroupName', u'Value': 'group_x'}], u'MetricName': u'CreateDataMetric'} self.wr = watchrule.WatchRule(context=self.ctx, watch_name='create_data_test', stack_id=self.stack_id, rule=rule) self.wr.store() data = {u'not_this': {"Unit": "Counter", "Value": "1", "Dimensions": [ {u'AutoScalingGroupName': u'group_x'}]}, u'nor_this': {"Unit": "Counter", "Value": "1", "Dimensions": [ {u'AutoScalingGroupName': u'group_x'}]}} self.assertFalse(watchrule.rule_can_use_sample(self.wr, data)) def test_create_watch_data_not_match_dimensions(self): rule = {u'EvaluationPeriods': u'1', u'AlarmDescription': u'test alarm', u'Period': u'300', u'ComparisonOperator': u'GreaterThanThreshold', u'Statistic': u'SampleCount', u'Threshold': u'2', u'Dimensions': [{u'Name': 'AutoScalingGroupName', u'Value': 'group_x'}], u'MetricName': u'CreateDataMetric'} self.wr = watchrule.WatchRule(context=self.ctx, watch_name='create_data_test', stack_id=self.stack_id, rule=rule) self.wr.store() data = {u'CreateDataMetric': {"Unit": "Counter", "Value": "1", "Dimensions": [ {u'AutoScalingGroupName': u'not_this'}]}, u'CreateDataMetric': {"Unit": "Counter", "Value": "1", "Dimensions": [ {u'wrong_key': u'group_x'}]}} self.assertFalse(watchrule.rule_can_use_sample(self.wr, data)) def test_destroy(self): rule = {'EvaluationPeriods': '1', 'MetricName': 'test_metric', 'AlarmActions': ['DummyAction'], 'Period': '300', 'Statistic': 'Maximum', 'ComparisonOperator': 'GreaterThanOrEqualToThreshold', 'Threshold': '30'} last = timeutils.utcnow() self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch_destroy", rule=rule, watch_data=[], stack_id=self.stack_id, last_evaluated=last) self.wr.store() check = watchrule.WatchRule.load(context=self.ctx, watch_name="testwatch_destroy") self.assertIsInstance(check, watchrule.WatchRule) self.wr.destroy() self.assertRaises(exception.WatchRuleNotFound, watchrule.WatchRule.load, context=self.ctx, watch_name="testwatch_destroy") def test_state_set(self): rule = {'EvaluationPeriods': '1', 'MetricName': 'test_metric', 'AlarmActions': ['DummyAction'], 'Period': '300', 'Statistic': 'Maximum', 'ComparisonOperator': 'GreaterThanOrEqualToThreshold', 'Threshold': '30'} last = timeutils.utcnow() watcher = watchrule.WatchRule(context=self.ctx, watch_name="testwatch_set_state", rule=rule, watch_data=[], stack_id=self.stack_id, last_evaluated=last) watcher.state_set(watcher.SUSPENDED) self.assertEqual(watcher.SUSPENDED, watcher.state) check = watchrule.WatchRule.load(context=self.ctx, watch_name="testwatch_set_state") self.assertEqual(watchrule.WatchRule.SUSPENDED, check.state) def test_set_watch_state(self): rule = {'EvaluationPeriods': '1', 'MetricName': 'test_metric', 'AlarmActions': ['DummyAction'], 'Period': '300', 'Statistic': 'Maximum', 'ComparisonOperator': 'GreaterThanOrEqualToThreshold', 'Threshold': '30'} now = timeutils.utcnow() self._action_set_stubs(now) # Set data so rule evaluates to ALARM state last = now - datetime.timedelta(seconds=200) self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=[], stack_id=self.stack_id, last_evaluated=last) actions = self.wr.set_watch_state(watchrule.WatchRule.NODATA) self.assertEqual([], actions) actions = self.wr.set_watch_state(watchrule.WatchRule.NORMAL) self.assertEqual([], actions) actions = self.wr.set_watch_state(watchrule.WatchRule.ALARM) self.assertEqual(['DummyAction'], actions) self.m.VerifyAll() def test_set_watch_state_invalid(self): rule = {'EvaluationPeriods': '1', 'MetricName': 'test_metric', 'AlarmActions': ['DummyAction'], 'Period': '300', 'Statistic': 'Maximum', 'ComparisonOperator': 'GreaterThanOrEqualToThreshold', 'Threshold': '30'} now = timeutils.utcnow() last = now - datetime.timedelta(seconds=200) self.wr = watchrule.WatchRule(context=self.ctx, watch_name="testwatch", rule=rule, watch_data=[], stack_id=self.stack_id, last_evaluated=last) self.assertRaises(ValueError, self.wr.set_watch_state, None) self.assertRaises(ValueError, self.wr.set_watch_state, "BADSTATE")