410 lines
14 KiB
Python
410 lines
14 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 datetime
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from oslo.config import cfg
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from heat.tests import generic_resource
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from heat.tests import fakes
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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 exception
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from heat.common import template_format
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from heat.db import api as db_api
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from heat.engine import clients
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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 import signal_responder as sr
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from keystoneclient import exceptions as kc_exceptions
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test_template_signal = '''
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{
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"AWSTemplateFormatVersion" : "2010-09-09",
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"Description" : "Just a test.",
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"Parameters" : {},
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"Resources" : {
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"signal_handler" : {"Type" : "SignalResourceType"},
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"resource_X" : {"Type" : "GenericResourceType"}
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},
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"Outputs": {
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"signed_url": {"Fn::GetAtt": ["signal_handler", "AlarmUrl"]}
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}
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}
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'''
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class SignalTest(HeatTestCase):
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def setUp(self):
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super(SignalTest, 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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resource._register_class('GenericResourceType',
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generic_resource.GenericResource)
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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.stack_id = 'STACKABCD1234'
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self.fc = fakes.FakeKeystoneClient()
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def tearDown(self):
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super(SignalTest, self).tearDown()
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utils.reset_dummy_db()
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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, stack_name='test_stack', stub=True):
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temp = template_format.parse(test_template_signal)
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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, stack_name, template,
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disable_rollback=True)
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# Stub out the stack ID so we have a known value
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with utils.UUIDStub(self.stack_id):
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stack.store()
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if stub:
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self.m.StubOutWithMock(sr.SignalResponder, 'keystone')
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sr.SignalResponder.keystone().MultipleTimes().AndReturn(
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self.fc)
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self.m.ReplayAll()
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return stack
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@utils.stack_delete_after
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def test_handle_create_fail_user(self):
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self.stack = self.create_stack(stack_name='create_fail_user',
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stub=False)
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class FakeKeystoneClientFail(fakes.FakeKeystoneClient):
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def create_stack_user(self, name):
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raise kc_exceptions.Forbidden("Denied!")
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self.m.StubOutWithMock(clients.OpenStackClients, 'keystone')
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clients.OpenStackClients.keystone().MultipleTimes().AndReturn(
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FakeKeystoneClientFail())
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['signal_handler']
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self.assertEqual((rsrc.CREATE, rsrc.FAILED), rsrc.state)
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self.assertIn('Forbidden', rsrc.status_reason)
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@utils.stack_delete_after
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def test_handle_create_fail_keypair_raise(self):
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self.stack = self.create_stack(stack_name='create_fail_keypair',
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stub=False)
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class FakeKeystoneClientFail(fakes.FakeKeystoneClient):
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def create_ec2_keypair(self, name):
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raise kc_exceptions.Forbidden("Denied!")
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self.m.StubOutWithMock(clients.OpenStackClients, 'keystone')
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clients.OpenStackClients.keystone().MultipleTimes().AndReturn(
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FakeKeystoneClientFail(user_id='123xyz'))
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['signal_handler']
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self.assertEqual((rsrc.CREATE, rsrc.FAILED), rsrc.state)
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self.assertIn('Forbidden', rsrc.status_reason)
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self.assertEqual('123xyz', rsrc.resource_id)
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@utils.stack_delete_after
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def test_handle_create_fail_keypair_none(self):
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self.stack = self.create_stack(stack_name='create_fail_keypair',
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stub=False)
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class FakeKeystoneClientFail(fakes.FakeKeystoneClient):
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def create_ec2_keypair(self, name):
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return None
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self.m.StubOutWithMock(clients.OpenStackClients, 'keystone')
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clients.OpenStackClients.keystone().MultipleTimes().AndReturn(
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FakeKeystoneClientFail(user_id='123xyz'))
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['signal_handler']
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self.assertEqual((rsrc.CREATE, rsrc.FAILED), rsrc.state)
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self.assertIn('Error creating ec2 keypair', rsrc.status_reason)
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self.assertEqual('123xyz', rsrc.resource_id, '123xyz')
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@utils.stack_delete_after
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def test_resource_data(self):
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self.stack = self.create_stack(stack_name='resource_data_test',
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stub=False)
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self.m.StubOutWithMock(clients.OpenStackClients, 'keystone')
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clients.OpenStackClients.keystone().MultipleTimes().AndReturn(
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fakes.FakeKeystoneClient(
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access='anaccesskey', secret='verysecret'))
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['signal_handler']
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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# Ensure the resource data has been stored correctly
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rs_data = db_api.resource_data_get_all(rsrc)
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self.assertEqual('anaccesskey', rs_data.get('access_key'))
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self.assertEqual('verysecret', rs_data.get('secret_key'))
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self.assertEqual(2, len(rs_data.keys()))
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# And that we remove it on delete
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scheduler.TaskRunner(rsrc.delete)()
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self.assertEqual((rsrc.DELETE, rsrc.COMPLETE), rsrc.state)
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rs_data = db_api.resource_data_get_all(rsrc)
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self.assertEqual(0, len(rs_data.keys()))
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@utils.stack_delete_after
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def test_FnGetAtt_Alarm_Url(self):
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self.stack = self.create_stack()
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['signal_handler']
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created_time = datetime.datetime(2012, 11, 29, 13, 49, 37)
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rsrc.created_time = created_time
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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expected_url = "".join([
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'http://server.test:8000/v1/signal/',
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'arn%3Aopenstack%3Aheat%3A%3Atest_tenant%3Astacks%2F',
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'test_stack%2FSTACKABCD1234%2Fresources%2F',
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'signal_handler?',
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'Timestamp=2012-11-29T13%3A49%3A37Z&',
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'SignatureMethod=HmacSHA256&',
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'AWSAccessKeyId=4567&',
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'SignatureVersion=2&',
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'Signature=',
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'VW4NyvRO4WhQdsQ4rxl5JMUr0AlefHN6OLsRz9oZyls%3D'])
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self.assertEqual(expected_url, rsrc.FnGetAtt('AlarmUrl'))
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self.m.VerifyAll()
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@utils.stack_delete_after
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def test_FnGetAtt_Alarm_Url_is_cached(self):
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self.stack = self.create_stack()
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['signal_handler']
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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first_url = rsrc.FnGetAtt('AlarmUrl')
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second_url = rsrc.FnGetAtt('AlarmUrl')
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self.assertEqual(first_url, second_url)
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self.m.VerifyAll()
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@utils.stack_delete_after
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def test_FnGetAtt_delete(self):
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self.stack = self.create_stack()
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['signal_handler']
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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self.assertIn('http://server.test:8000/v1/signal',
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rsrc.FnGetAtt('AlarmUrl'))
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scheduler.TaskRunner(rsrc.delete)()
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self.assertEqual('None', rsrc.FnGetAtt('AlarmUrl'))
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self.m.VerifyAll()
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@utils.stack_delete_after
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def test_delete_not_found(self):
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self.stack = self.create_stack(stack_name='test_delete_not_found',
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stub=False)
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class FakeKeystoneClientFail(fakes.FakeKeystoneClient):
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def delete_stack_user(self, name):
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raise kc_exceptions.NotFound()
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self.m.StubOutWithMock(clients.OpenStackClients, 'keystone')
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clients.OpenStackClients.keystone().MultipleTimes().AndReturn(
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FakeKeystoneClientFail())
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['signal_handler']
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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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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@utils.stack_delete_after
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def test_signal(self):
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test_d = {'Data': 'foo', 'Reason': 'bar',
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'Status': 'SUCCESS', 'UniqueId': '123'}
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self.stack = self.create_stack()
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# to confirm we get a call to handle_signal
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self.m.StubOutWithMock(generic_resource.SignalResource,
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'handle_signal')
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generic_resource.SignalResource.handle_signal(test_d).AndReturn(None)
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['signal_handler']
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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self.assertTrue(rsrc.requires_deferred_auth)
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rsrc.signal(details=test_d)
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self.m.VerifyAll()
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@utils.stack_delete_after
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def test_signal_different_reason_types(self):
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self.stack = self.create_stack()
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self.stack.create()
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rsrc = self.stack['signal_handler']
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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self.assertTrue(rsrc.requires_deferred_auth)
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ceilo_details = {'current': 'foo', 'reason': 'apples',
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'previous': 'SUCCESS'}
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ceilo_expected = 'alarm state changed from SUCCESS to foo (apples)'
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watch_details = {'state': 'go_for_it'}
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watch_expected = 'alarm state changed to go_for_it'
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str_details = 'a string details'
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str_expected = str_details
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none_details = None
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none_expected = 'No signal details provided'
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# to confirm we get a string reason
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self.m.StubOutWithMock(generic_resource.SignalResource,
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'_add_event')
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generic_resource.SignalResource._add_event(
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'signal', 'COMPLETE', ceilo_expected).AndReturn(None)
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generic_resource.SignalResource._add_event(
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'signal', 'COMPLETE', watch_expected).AndReturn(None)
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generic_resource.SignalResource._add_event(
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'signal', 'COMPLETE', str_expected).AndReturn(None)
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generic_resource.SignalResource._add_event(
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'signal', 'COMPLETE', none_expected).AndReturn(None)
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self.m.ReplayAll()
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for test_d in (ceilo_details, watch_details,
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str_details, none_details):
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rsrc.signal(details=test_d)
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self.m.VerifyAll()
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self.m.UnsetStubs()
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# Since we unset the stubs above we must re-stub keystone to keep the
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# test isolated from keystoneclient. The unset stubs is done so that we
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# do not have to mock out all of the deleting that the
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# stack_delete_after decorator will do during cleanup.
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self.m.StubOutWithMock(self.stack.clients, 'keystone')
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self.stack.clients.keystone().AndReturn(self.fc)
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self.m.ReplayAll()
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@utils.stack_delete_after
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def test_signal_wrong_resource(self):
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# assert that we get the correct exception when calling a
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# resource.signal() that does not have a handle_signal()
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self.stack = self.create_stack()
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['resource_X']
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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err_metadata = {'Data': 'foo', 'Status': 'SUCCESS', 'UniqueId': '123'}
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self.assertRaises(exception.ResourceFailure, rsrc.signal,
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details=err_metadata)
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self.m.VerifyAll()
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@utils.stack_delete_after
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def test_signal_reception_wrong_state(self):
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# assert that we get the correct exception when calling a
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# resource.signal() that is in having a destructive action.
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self.stack = self.create_stack()
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['signal_handler']
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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# manually override the action to DELETE
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rsrc.action = rsrc.DELETE
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err_metadata = {'Data': 'foo', 'Status': 'SUCCESS', 'UniqueId': '123'}
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self.assertRaises(exception.ResourceFailure, rsrc.signal,
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details=err_metadata)
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self.m.VerifyAll()
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@utils.stack_delete_after
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def test_signal_reception_failed_call(self):
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# assert that we get the correct exception from resource.signal()
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# when resource.handle_signal() raises an exception.
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self.stack = self.create_stack()
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test_d = {'Data': 'foo', 'Reason': 'bar',
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'Status': 'SUCCESS', 'UniqueId': '123'}
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# to confirm we get a call to handle_signal
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self.m.StubOutWithMock(generic_resource.SignalResource,
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'handle_signal')
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generic_resource.SignalResource.handle_signal(test_d).AndRaise(
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ValueError)
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self.m.ReplayAll()
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self.stack.create()
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rsrc = self.stack['signal_handler']
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self.assertEqual((rsrc.CREATE, rsrc.COMPLETE), rsrc.state)
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self.assertRaises(exception.ResourceFailure,
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rsrc.signal, details=test_d)
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self.m.VerifyAll()
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