203b8e8ecf
This will allow Resources to hold weak references to Stacks (so as to avoid circular references) without causing the Stack object to be prematurely deleted. Change-Id: Ia76da7bc51042fb3598ef2a660d6fbf78137a37b Related-Bug: #1454873
619 lines
23 KiB
Python
619 lines
23 KiB
Python
#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import copy
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import json
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from ceilometerclient import exc as ceilometerclient_exc
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import mock
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import mox
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from oslo_config import cfg
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import six
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from heat.common import exception
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from heat.common import template_format
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from heat.engine.clients.os import ceilometer
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from heat.engine import properties as props
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from heat.engine import resource
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from heat.engine.resources.openstack.ceilometer import alarm
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from heat.engine import rsrc_defn
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from heat.engine import scheduler
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from heat.engine import stack as parser
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from heat.engine import template as tmpl
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from heat.tests import common
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from heat.tests import generic_resource
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from heat.tests import utils
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alarm_template = '''
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{
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"AWSTemplateFormatVersion" : "2010-09-09",
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"Description" : "Alarm Test",
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"Parameters" : {},
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"Resources" : {
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"MEMAlarmHigh": {
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"Type": "OS::Ceilometer::Alarm",
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"Properties": {
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"description": "Scale-up if MEM > 50% for 1 minute",
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"meter_name": "MemoryUtilization",
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"statistic": "avg",
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"period": "60",
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"evaluation_periods": "1",
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"threshold": "50",
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"alarm_actions": [],
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"matching_metadata": {},
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"comparison_operator": "gt"
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}
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},
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"signal_handler" : {
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"Type" : "SignalResourceType"
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}
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}
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}
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'''
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not_string_alarm_template = '''
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{
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"AWSTemplateFormatVersion" : "2010-09-09",
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"Description" : "Alarm Test",
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"Parameters" : {},
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"Resources" : {
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"MEMAlarmHigh": {
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"Type": "OS::Ceilometer::Alarm",
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"Properties": {
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"description": "Scale-up if MEM > 50% for 1 minute",
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"meter_name": "MemoryUtilization",
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"statistic": "avg",
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"period": 60,
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"evaluation_periods": 1,
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"threshold": 50,
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"alarm_actions": [],
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"matching_metadata": {},
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"comparison_operator": "gt"
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}
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},
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"signal_handler" : {
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"Type" : "SignalResourceType"
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}
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}
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}
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'''
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combination_alarm_template = '''
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{
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"AWSTemplateFormatVersion" : "2010-09-09",
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"Description" : "Combination Alarm Test",
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"Resources" : {
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"CombinAlarm": {
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"Type": "OS::Ceilometer::CombinationAlarm",
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"Properties": {
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"description": "Do stuff in combination",
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"alarm_ids": ["alarm1", "alarm2"],
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"operator": "and",
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"alarm_actions": [],
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}
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}
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}
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}
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'''
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class FakeCeilometerAlarm(object):
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alarm_id = 'foo'
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class CeilometerAlarmTest(common.HeatTestCase):
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def setUp(self):
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super(CeilometerAlarmTest, self).setUp()
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resource._register_class('SignalResourceType',
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generic_resource.SignalResource)
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cfg.CONF.set_default('heat_waitcondition_server_url',
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'http://server.test:8000/v1/waitcondition')
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self.fa = mock.Mock()
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def create_stack(self, template=None):
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if template is None:
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template = alarm_template
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temp = template_format.parse(template)
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template = tmpl.Template(temp)
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ctx = utils.dummy_context()
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ctx.tenant_id = 'test_tenant'
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stack = parser.Stack(ctx, utils.random_name(), template,
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disable_rollback=True)
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stack.store()
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self.m.StubOutWithMock(alarm.CeilometerAlarm, 'ceilometer')
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alarm.CeilometerAlarm.ceilometer().MultipleTimes().AndReturn(
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self.fa)
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al = copy.deepcopy(temp['Resources']['MEMAlarmHigh']['Properties'])
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al['description'] = mox.IgnoreArg()
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al['name'] = mox.IgnoreArg()
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al['alarm_actions'] = mox.IgnoreArg()
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al['insufficient_data_actions'] = None
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al['ok_actions'] = None
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al['repeat_actions'] = True
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al['enabled'] = True
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rule = dict(
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period=60,
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evaluation_periods=1,
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threshold=50)
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for field in ['period', 'evaluation_periods', 'threshold']:
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del al[field]
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for field in ['statistic', 'comparison_operator', 'meter_name']:
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rule[field] = al[field]
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del al[field]
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if 'query' in al and al['query']:
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query = al['query']
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else:
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query = []
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if 'query' in al:
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del al['query']
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if 'matching_metadata' in al and al['matching_metadata']:
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for k, v in al['matching_metadata'].items():
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key = 'metadata.metering.' + k
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query.append(dict(field=key, op='eq', value=six.text_type(v)))
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if 'matching_metadata' in al:
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del al['matching_metadata']
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if query:
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rule['query'] = query
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al['threshold_rule'] = rule
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al['type'] = 'threshold'
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self.m.StubOutWithMock(self.fa.alarms, 'create')
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self.fa.alarms.create(**al).AndReturn(FakeCeilometerAlarm())
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return stack
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def test_mem_alarm_high_update_no_replace(self):
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'''
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Make sure that we can change the update-able properties
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without replacing the Alarm rsrc.
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'''
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# short circuit the alarm's references
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t = template_format.parse(alarm_template)
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properties = t['Resources']['MEMAlarmHigh']['Properties']
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properties['alarm_actions'] = ['signal_handler']
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properties['matching_metadata'] = {'a': 'v'}
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properties['query'] = [dict(field='b', op='eq', value='w')]
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self.stack = self.create_stack(template=json.dumps(t))
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self.m.StubOutWithMock(self.fa.alarms, 'update')
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schema = props.schemata(alarm.CeilometerAlarm.properties_schema)
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exns = ['period', 'evaluation_periods', 'threshold',
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'statistic', 'comparison_operator', 'meter_name',
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'matching_metadata', 'query']
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al2 = dict((k, mox.IgnoreArg())
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for k, s in schema.items()
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if s.update_allowed and k not in exns)
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al2['alarm_id'] = mox.IgnoreArg()
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al2['type'] = 'threshold'
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al2['threshold_rule'] = dict(
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meter_name=properties['meter_name'],
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period=90,
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evaluation_periods=2,
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threshold=39,
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statistic='max',
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comparison_operator='lt',
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query=[
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dict(field='c', op='ne', value='z'),
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dict(field='metadata.metering.x', op='eq', value='y')
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])
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self.fa.alarms.update(**al2).AndReturn(None)
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['MEMAlarmHigh']
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properties = copy.copy(rsrc.properties.data)
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properties.update({
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'comparison_operator': 'lt',
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'description': 'fruity',
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'evaluation_periods': '2',
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'period': '90',
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'enabled': True,
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'repeat_actions': True,
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'statistic': 'max',
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'threshold': '39',
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'insufficient_data_actions': [],
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'alarm_actions': [],
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'ok_actions': ['signal_handler'],
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'matching_metadata': {'x': 'y'},
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'query': [dict(field='c', op='ne', value='z')]
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})
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snippet = rsrc_defn.ResourceDefinition(rsrc.name,
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rsrc.type(),
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properties)
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scheduler.TaskRunner(rsrc.update, snippet)()
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self.m.VerifyAll()
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def test_mem_alarm_high_update_replace(self):
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'''
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Make sure that the Alarm resource IS replaced when non-update-able
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properties are changed.
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'''
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t = template_format.parse(alarm_template)
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properties = t['Resources']['MEMAlarmHigh']['Properties']
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properties['alarm_actions'] = ['signal_handler']
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properties['matching_metadata'] = {'a': 'v'}
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self.stack = self.create_stack(template=json.dumps(t))
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['MEMAlarmHigh']
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properties = copy.copy(rsrc.properties.data)
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properties['meter_name'] = 'temp'
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snippet = rsrc_defn.ResourceDefinition(rsrc.name,
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rsrc.type(),
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properties)
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updater = scheduler.TaskRunner(rsrc.update, snippet)
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self.assertRaises(resource.UpdateReplace, updater)
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self.m.VerifyAll()
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def test_mem_alarm_suspend_resume(self):
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"""
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Make sure that the Alarm resource gets disabled on suspend
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and reenabled on resume.
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"""
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self.stack = self.create_stack()
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self.m.StubOutWithMock(self.fa.alarms, 'update')
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al_suspend = {'alarm_id': mox.IgnoreArg(),
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'enabled': False}
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self.fa.alarms.update(**al_suspend).AndReturn(None)
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al_resume = {'alarm_id': mox.IgnoreArg(),
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'enabled': True}
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self.fa.alarms.update(**al_resume).AndReturn(None)
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['MEMAlarmHigh']
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scheduler.TaskRunner(rsrc.suspend)()
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self.assertEqual((rsrc.SUSPEND, rsrc.COMPLETE), rsrc.state)
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scheduler.TaskRunner(rsrc.resume)()
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self.assertEqual((rsrc.RESUME, rsrc.COMPLETE), rsrc.state)
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self.m.VerifyAll()
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def test_mem_alarm_high_correct_int_parameters(self):
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self.stack = self.create_stack(not_string_alarm_template)
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['MEMAlarmHigh']
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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self.assertIsNone(rsrc.validate())
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self.assertIsInstance(rsrc.properties['evaluation_periods'], int)
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self.assertIsInstance(rsrc.properties['period'], int)
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self.assertIsInstance(rsrc.properties['threshold'], int)
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self.m.VerifyAll()
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def test_alarm_metadata_prefix(self):
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t = template_format.parse(alarm_template)
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properties = t['Resources']['MEMAlarmHigh']['Properties']
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# Test for bug/1383521, where meter_name is in NOVA_METERS
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properties[alarm.CeilometerAlarm.METER_NAME] = 'memory.usage'
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properties['matching_metadata'] = {'metadata.user_metadata.groupname':
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'foo'}
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self.stack = self.create_stack(template=json.dumps(t))
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rsrc = self.stack['MEMAlarmHigh']
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rsrc.properties.data = rsrc.cfn_to_ceilometer(self.stack, properties)
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self.assertIsNone(rsrc.properties.data.get('matching_metadata'))
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query = rsrc.properties.data['threshold_rule']['query']
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expected_query = [{'field': u'metadata.user_metadata.groupname',
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'value': u'foo', 'op': 'eq'}]
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self.assertEqual(expected_query, query)
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def test_mem_alarm_high_correct_matching_metadata(self):
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t = template_format.parse(alarm_template)
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properties = t['Resources']['MEMAlarmHigh']['Properties']
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properties['matching_metadata'] = {'fro': 'bar',
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'bro': True,
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'dro': 1234,
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'pro': '{"Mem": {"Ala": {"Hig"}}}',
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'tro': [1, 2, 3, 4]}
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self.stack = self.create_stack(template=json.dumps(t))
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['MEMAlarmHigh']
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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rsrc.properties.data = rsrc.cfn_to_ceilometer(self.stack, properties)
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self.assertIsNone(rsrc.properties.data.get('matching_metadata'))
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for key in rsrc.properties.data['threshold_rule']['query']:
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self.assertIsInstance(key['value'], six.text_type)
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self.m.VerifyAll()
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def test_no_matching_metadata(self):
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"""Make sure that we can pass in an empty matching_metadata."""
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t = template_format.parse(alarm_template)
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properties = t['Resources']['MEMAlarmHigh']['Properties']
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properties['alarm_actions'] = ['signal_handler']
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del properties['matching_metadata']
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self.stack = self.create_stack(template=json.dumps(t))
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['MEMAlarmHigh']
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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self.assertIsNone(rsrc.validate())
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self.m.VerifyAll()
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def test_mem_alarm_high_not_correct_string_parameters(self):
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snippet = template_format.parse(not_string_alarm_template)
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for p in ('period', 'evaluation_periods'):
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snippet['Resources']['MEMAlarmHigh']['Properties'][p] = '60a'
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stack = utils.parse_stack(snippet)
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resource_defns = stack.t.resource_definitions(stack)
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rsrc = alarm.CeilometerAlarm(
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'MEMAlarmHigh', resource_defns['MEMAlarmHigh'], stack)
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error = self.assertRaises(exception.StackValidationFailed,
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rsrc.validate)
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self.assertEqual(
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"Property error : Resources.MEMAlarmHigh.Properties.%s: "
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"Value '60a' is not an integer" % p, six.text_type(error))
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def test_mem_alarm_high_not_integer_parameters(self):
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snippet = template_format.parse(not_string_alarm_template)
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for p in ('period', 'evaluation_periods'):
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snippet['Resources']['MEMAlarmHigh']['Properties'][p] = [60]
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stack = utils.parse_stack(snippet)
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resource_defns = stack.t.resource_definitions(stack)
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rsrc = alarm.CeilometerAlarm(
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'MEMAlarmHigh', resource_defns['MEMAlarmHigh'], stack)
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error = self.assertRaises(exception.StackValidationFailed,
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rsrc.validate)
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self.assertEqual(
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"Property error : Resources.MEMAlarmHigh.Properties.%s: "
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"int() argument must be a string or a number, not "
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"'list'" % p, six.text_type(error))
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def test_mem_alarm_high_check_not_required_parameters(self):
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snippet = template_format.parse(not_string_alarm_template)
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snippet['Resources']['MEMAlarmHigh']['Properties'].pop('meter_name')
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stack = utils.parse_stack(snippet)
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resource_defns = stack.t.resource_definitions(stack)
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rsrc = alarm.CeilometerAlarm(
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'MEMAlarmHigh', resource_defns['MEMAlarmHigh'], stack)
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error = self.assertRaises(exception.StackValidationFailed,
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rsrc.validate)
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self.assertEqual(
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"Property error : Resources.MEMAlarmHigh.Properties: "
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"Property meter_name not assigned",
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six.text_type(error))
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for p in ('period', 'evaluation_periods', 'statistic',
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'comparison_operator'):
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snippet = template_format.parse(not_string_alarm_template)
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snippet['Resources']['MEMAlarmHigh']['Properties'].pop(p)
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stack = utils.parse_stack(snippet)
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resource_defns = stack.t.resource_definitions(stack)
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rsrc = alarm.CeilometerAlarm(
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'MEMAlarmHigh', resource_defns['MEMAlarmHigh'], stack)
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self.assertIsNone(rsrc.validate())
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def test_delete_alarm_not_found(self):
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t = template_format.parse(alarm_template)
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self.stack = self.create_stack(template=json.dumps(t))
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self.m.StubOutWithMock(self.fa.alarms, 'delete')
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self.fa.alarms.delete('foo').AndRaise(
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ceilometerclient_exc.HTTPNotFound())
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['MEMAlarmHigh']
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scheduler.TaskRunner(rsrc.delete)()
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self.assertEqual((rsrc.DELETE, rsrc.COMPLETE), rsrc.state)
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self.m.VerifyAll()
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def _prepare_check_resource(self):
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snippet = template_format.parse(not_string_alarm_template)
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self.stack = utils.parse_stack(snippet)
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res = self.stack['MEMAlarmHigh']
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res.ceilometer = mock.Mock()
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mock_alarm = mock.Mock(enabled=True, state='ok')
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res.ceilometer().alarms.get.return_value = mock_alarm
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return res
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@mock.patch.object(alarm.watchrule.WatchRule, 'load')
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def test_check(self, mock_load):
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res = self._prepare_check_resource()
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scheduler.TaskRunner(res.check)()
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self.assertEqual((res.CHECK, res.COMPLETE), res.state)
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@mock.patch.object(alarm.watchrule.WatchRule, 'load')
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def test_check_watchrule_failure(self, mock_load):
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res = self._prepare_check_resource()
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exc = alarm.exception.WatchRuleNotFound(watch_name='Boom')
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mock_load.side_effect = exc
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self.assertRaises(exception.ResourceFailure,
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scheduler.TaskRunner(res.check))
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self.assertEqual((res.CHECK, res.FAILED), res.state)
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self.assertIn('Boom', res.status_reason)
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@mock.patch.object(alarm.watchrule.WatchRule, 'load')
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def test_check_alarm_failure(self, mock_load):
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res = self._prepare_check_resource()
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res.ceilometer().alarms.get.side_effect = Exception('Boom')
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self.assertRaises(exception.ResourceFailure,
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scheduler.TaskRunner(res.check))
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self.assertEqual((res.CHECK, res.FAILED), res.state)
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self.assertIn('Boom', res.status_reason)
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|
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class CombinationAlarmTest(common.HeatTestCase):
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def setUp(self):
|
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super(CombinationAlarmTest, self).setUp()
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self.fc = mock.Mock()
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self.m.StubOutWithMock(ceilometer.CeilometerClientPlugin, '_create')
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|
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def create_alarm(self):
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ceilometer.CeilometerClientPlugin._create().AndReturn(
|
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self.fc)
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self.m.StubOutWithMock(self.fc.alarms, 'create')
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self.fc.alarms.create(
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alarm_actions=[],
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description=u'Do stuff in combination',
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enabled=True,
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insufficient_data_actions=None,
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ok_actions=None,
|
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name=mox.IgnoreArg(), type='combination',
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repeat_actions=True,
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combination_rule={'alarm_ids': [u'alarm1', u'alarm2'],
|
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'operator': u'and'}
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).AndReturn(FakeCeilometerAlarm())
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snippet = template_format.parse(combination_alarm_template)
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self.stack = utils.parse_stack(snippet)
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resource_defns = self.stack.t.resource_definitions(self.stack)
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return alarm.CombinationAlarm(
|
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'CombinAlarm', resource_defns['CombinAlarm'], self.stack)
|
|
|
|
def test_create(self):
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rsrc = self.create_alarm()
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|
|
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self.m.ReplayAll()
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scheduler.TaskRunner(rsrc.create)()
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
|
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self.assertEqual('foo', rsrc.resource_id)
|
|
self.m.VerifyAll()
|
|
|
|
def test_invalid_alarm_list(self):
|
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snippet = template_format.parse(combination_alarm_template)
|
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snippet['Resources']['CombinAlarm']['Properties']['alarm_ids'] = []
|
|
stack = utils.parse_stack(snippet)
|
|
resource_defns = stack.t.resource_definitions(stack)
|
|
rsrc = alarm.CombinationAlarm(
|
|
'CombinAlarm', resource_defns['CombinAlarm'], stack)
|
|
error = self.assertRaises(exception.StackValidationFailed,
|
|
rsrc.validate)
|
|
self.assertEqual(
|
|
"Property error : Resources.CombinAlarm.Properties.alarm_ids: "
|
|
"length (0) is out of range (min: 1, max: None)",
|
|
six.text_type(error))
|
|
|
|
def test_update(self):
|
|
rsrc = self.create_alarm()
|
|
self.m.StubOutWithMock(self.fc.alarms, 'update')
|
|
self.fc.alarms.update(
|
|
alarm_id='foo',
|
|
combination_rule={'alarm_ids': [u'alarm1', u'alarm3']})
|
|
|
|
self.m.ReplayAll()
|
|
scheduler.TaskRunner(rsrc.create)()
|
|
|
|
update_template = copy.deepcopy(rsrc.t)
|
|
update_template['Properties']['alarm_ids'] = ['alarm1', 'alarm3']
|
|
scheduler.TaskRunner(rsrc.update, update_template)()
|
|
self.assertEqual((rsrc.UPDATE, rsrc.COMPLETE), rsrc.state)
|
|
|
|
self.m.VerifyAll()
|
|
|
|
def test_suspend(self):
|
|
rsrc = self.create_alarm()
|
|
self.m.StubOutWithMock(self.fc.alarms, 'update')
|
|
self.fc.alarms.update(alarm_id='foo', enabled=False)
|
|
|
|
self.m.ReplayAll()
|
|
scheduler.TaskRunner(rsrc.create)()
|
|
|
|
scheduler.TaskRunner(rsrc.suspend)()
|
|
self.assertEqual((rsrc.SUSPEND, rsrc.COMPLETE), rsrc.state)
|
|
|
|
self.m.VerifyAll()
|
|
|
|
def test_resume(self):
|
|
rsrc = self.create_alarm()
|
|
self.m.StubOutWithMock(self.fc.alarms, 'update')
|
|
self.fc.alarms.update(alarm_id='foo', enabled=True)
|
|
|
|
self.m.ReplayAll()
|
|
scheduler.TaskRunner(rsrc.create)()
|
|
rsrc.state_set(rsrc.SUSPEND, rsrc.COMPLETE)
|
|
|
|
scheduler.TaskRunner(rsrc.resume)()
|
|
self.assertEqual((rsrc.RESUME, rsrc.COMPLETE), rsrc.state)
|
|
|
|
self.m.VerifyAll()
|
|
|
|
def test_delete(self):
|
|
rsrc = self.create_alarm()
|
|
self.m.StubOutWithMock(self.fc.alarms, 'delete')
|
|
self.fc.alarms.delete('foo')
|
|
self.m.ReplayAll()
|
|
scheduler.TaskRunner(rsrc.create)()
|
|
scheduler.TaskRunner(rsrc.delete)()
|
|
self.assertEqual((rsrc.DELETE, rsrc.COMPLETE), rsrc.state)
|
|
|
|
self.m.VerifyAll()
|
|
|
|
def test_delete_not_found(self):
|
|
rsrc = self.create_alarm()
|
|
self.m.StubOutWithMock(self.fc.alarms, 'delete')
|
|
self.fc.alarms.delete('foo').AndRaise(
|
|
ceilometerclient_exc.HTTPNotFound())
|
|
self.m.ReplayAll()
|
|
scheduler.TaskRunner(rsrc.create)()
|
|
scheduler.TaskRunner(rsrc.delete)()
|
|
self.assertEqual((rsrc.DELETE, rsrc.COMPLETE), rsrc.state)
|
|
|
|
self.m.VerifyAll()
|
|
|
|
def _prepare_check_resource(self):
|
|
snippet = template_format.parse(combination_alarm_template)
|
|
self.stack = utils.parse_stack(snippet)
|
|
res = self.stack['CombinAlarm']
|
|
res.ceilometer = mock.Mock()
|
|
mock_alarm = mock.Mock(enabled=True, state='ok')
|
|
res.ceilometer().alarms.get.return_value = mock_alarm
|
|
return res
|
|
|
|
def test_check(self):
|
|
res = self._prepare_check_resource()
|
|
scheduler.TaskRunner(res.check)()
|
|
self.assertEqual((res.CHECK, res.COMPLETE), res.state)
|
|
|
|
def test_check_failure(self):
|
|
res = self._prepare_check_resource()
|
|
res.ceilometer().alarms.get.side_effect = Exception('Boom')
|
|
|
|
self.assertRaises(exception.ResourceFailure,
|
|
scheduler.TaskRunner(res.check))
|
|
self.assertEqual((res.CHECK, res.FAILED), res.state)
|
|
self.assertIn('Boom', res.status_reason)
|