223 lines
7.3 KiB
Python
223 lines
7.3 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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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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import mox
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import testtools
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from oslo.config import cfg
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from heat.tests import fakes
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from heat.tests import generic_resource
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from heat.tests.common import HeatTestCase
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from heat.tests import utils
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from heat.common import template_format
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from heat.openstack.common.importutils import try_import
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from heat.engine import parser
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from heat.engine import resource
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from heat.engine import scheduler
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from heat.engine.resources.ceilometer import alarm
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ceilometerclient = try_import('ceilometerclient.v2')
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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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class FakeCeilometerAlarm(object):
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alarm_id = 'foo'
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class FakeCeilometerAlarms(object):
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def create(self, **kwargs):
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pass
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def update(self, **kwargs):
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pass
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def delete(self, alarm_id):
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pass
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class FakeCeilometerClient(object):
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alarms = FakeCeilometerAlarms()
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class CeilometerAlarmTest(HeatTestCase):
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def setUp(self):
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super(CeilometerAlarmTest, self).setUp()
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utils.setup_dummy_db()
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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.fc = fakes.FakeKeystoneClient()
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self.fa = FakeCeilometerClient()
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# Note tests creating a stack should be decorated with @stack_delete_after
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# to ensure the stack is properly cleaned up
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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 = parser.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(resource.Resource, 'keystone')
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resource.Resource.keystone().MultipleTimes().AndReturn(
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self.fc)
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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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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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@testtools.skipIf(ceilometerclient is None, 'ceilometerclient unavailable')
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@utils.stack_delete_after
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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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self.stack = self.create_stack(template=json.dumps(t))
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self.m.StubOutWithMock(self.fa.alarms, 'update')
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al2 = {}
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for k in alarm.CeilometerAlarm.update_allowed_properties:
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al2[k] = mox.IgnoreArg()
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al2['alarm_id'] = mox.IgnoreArg()
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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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snippet = copy.deepcopy(rsrc.parsed_template())
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snippet['Properties']['comparison_operator'] = 'lt'
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snippet['Properties']['description'] = 'fruity'
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snippet['Properties']['evaluation_periods'] = '2'
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snippet['Properties']['period'] = '90'
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snippet['Properties']['enabled'] = 'true'
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snippet['Properties']['repeat_actions'] = True
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snippet['Properties']['statistic'] = 'max'
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snippet['Properties']['threshold'] = '39'
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snippet['Properties']['insufficient_data_actions'] = []
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snippet['Properties']['alarm_actions'] = []
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snippet['Properties']['ok_actions'] = ['signal_handler']
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scheduler.TaskRunner(rsrc.update, snippet)()
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self.m.VerifyAll()
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@testtools.skipIf(ceilometerclient is None, 'ceilometerclient unavailable')
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@utils.stack_delete_after
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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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snippet = copy.deepcopy(rsrc.parsed_template())
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snippet['Properties']['meter_name'] = 'temp'
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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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@testtools.skipIf(ceilometerclient is None, 'ceilometerclient unavailable')
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@utils.stack_delete_after
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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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