299 lines
10 KiB
Python
299 lines
10 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 mox
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from oslo.config import cfg
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from heat.common import identifier
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from heat.common import template_format
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from heat.engine import environment
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from heat.engine import parser
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from heat.engine.resources import image
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from heat.engine.resources import instance
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from heat.engine.resources import nova_keypair
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from heat.engine.resources import wait_condition as wc
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from heat.engine import scheduler
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from heat.engine import service
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from heat.tests.common import HeatTestCase
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from heat.tests import fakes
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from heat.tests import utils
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test_template_metadata = '''
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{
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"AWSTemplateFormatVersion" : "2010-09-09",
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"Description" : "",
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"Parameters" : {
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"KeyName" : {"Type" : "String", "Default": "mine" },
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},
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"Resources" : {
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"S1": {
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"Type": "AWS::EC2::Instance",
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"Metadata" : {
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"AWS::CloudFormation::Init" : {
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"config" : {
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"files" : {
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"/tmp/random_file" : {
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"content" : { "Fn::Join" : ["", [
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"s2-ip=", {"Fn::GetAtt": ["S2", "PublicIp"]}
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]]},
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"mode" : "000400",
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"owner" : "root",
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"group" : "root"
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}
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}
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}
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}
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},
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"Properties": {
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"ImageId" : "a",
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"InstanceType" : "m1.large",
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"KeyName" : { "Ref" : "KeyName" },
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"UserData" : "#!/bin/bash -v\n"
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}
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},
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"S2": {
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"Type": "AWS::EC2::Instance",
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"Properties": {
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"ImageId" : "a",
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"InstanceType" : "m1.large",
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"KeyName" : { "Ref" : "KeyName" },
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"UserData" : "#!/bin/bash -v\n"
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}
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}
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}
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}
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'''
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test_template_waitcondition = '''
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{
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"AWSTemplateFormatVersion" : "2010-09-09",
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"Description" : "Just a WaitCondition.",
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"Parameters" : {
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"KeyName" : {"Type" : "String", "Default": "mine" },
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},
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"Resources" : {
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"WH" : {
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"Type" : "AWS::CloudFormation::WaitConditionHandle"
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},
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"S1": {
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"Type": "AWS::EC2::Instance",
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"Properties": {
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"ImageId" : "a",
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"InstanceType" : "m1.large",
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"KeyName" : { "Ref" : "KeyName" },
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"UserData" : { "Fn::Join" : [ "", [ "#!/bin/bash -v\n",
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"echo ",
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{ "Ref" : "WH" },
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"\n" ] ] }
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}
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},
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"WC" : {
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"Type" : "AWS::CloudFormation::WaitCondition",
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"DependsOn": "S1",
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"Properties" : {
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"Handle" : {"Ref" : "WH"},
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"Timeout" : "5"
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}
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},
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"S2": {
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"Type": "AWS::EC2::Instance",
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"Metadata" : {
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"test" : {"Fn::GetAtt": ["WC", "Data"]}
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},
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"Properties": {
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"ImageId" : "a",
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"InstanceType" : "m1.large",
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"KeyName" : { "Ref" : "KeyName" },
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"UserData" : "#!/bin/bash -v\n"
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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 MetadataRefreshTest(HeatTestCase):
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'''
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The point of the test is to confirm that metadata gets updated
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when FnGetAtt() returns something different.
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gets called.
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'''
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def setUp(self):
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super(MetadataRefreshTest, self).setUp()
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self.fc = fakes.FakeKeystoneClient()
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utils.setup_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', params={}):
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temp = template_format.parse(test_template_metadata)
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template = parser.Template(temp)
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ctx = utils.dummy_context()
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stack = parser.Stack(ctx, stack_name, template,
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environment.Environment(params),
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disable_rollback=True)
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self.stack_id = stack.store()
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self.m.StubOutWithMock(nova_keypair.KeypairConstraint, 'validate')
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nova_keypair.KeypairConstraint.validate(
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mox.IgnoreArg(), mox.IgnoreArg()).MultipleTimes().AndReturn(True)
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self.m.StubOutWithMock(image.ImageConstraint, 'validate')
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image.ImageConstraint.validate(
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mox.IgnoreArg(), mox.IgnoreArg()).MultipleTimes().AndReturn(True)
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self.m.StubOutWithMock(instance.Instance, 'handle_create')
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self.m.StubOutWithMock(instance.Instance, 'check_create_complete')
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for cookie in (object(), object()):
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instance.Instance.handle_create().AndReturn(cookie)
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create_complete = instance.Instance.check_create_complete(cookie)
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create_complete.InAnyOrder().AndReturn(True)
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self.m.StubOutWithMock(instance.Instance, 'FnGetAtt')
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return stack
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@utils.stack_delete_after
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def test_FnGetAtt(self):
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self.stack = self.create_stack()
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instance.Instance.FnGetAtt('PublicIp').AndReturn('1.2.3.5')
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# called by metadata_update()
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instance.Instance.FnGetAtt('PublicIp').AndReturn('10.0.0.5')
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self.m.ReplayAll()
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self.stack.create()
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self.assertEqual((self.stack.CREATE, self.stack.COMPLETE),
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self.stack.state)
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s1 = self.stack['S1']
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s2 = self.stack['S2']
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files = s1.metadata['AWS::CloudFormation::Init']['config']['files']
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cont = files['/tmp/random_file']['content']
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self.assertEqual((s2.CREATE, s2.COMPLETE), s2.state)
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self.assertEqual('s2-ip=1.2.3.5', cont)
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s1.metadata_update()
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s2.metadata_update()
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files = s1.metadata['AWS::CloudFormation::Init']['config']['files']
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cont = files['/tmp/random_file']['content']
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self.assertEqual('s2-ip=10.0.0.5', cont)
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self.m.VerifyAll()
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class WaitCondMetadataUpdateTest(HeatTestCase):
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def setUp(self):
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super(WaitCondMetadataUpdateTest, self).setUp()
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utils.setup_dummy_db()
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self.fc = fakes.FakeKeystoneClient()
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self.m.StubOutWithMock(service.EngineListener, 'start')
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service.EngineListener.start().AndReturn(None)
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self.m.ReplayAll()
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self.man = service.EngineService('a-host', 'a-topic')
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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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# 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'):
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temp = template_format.parse(test_template_waitcondition)
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template = parser.Template(temp)
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ctx = utils.dummy_context()
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stack = parser.Stack(ctx, stack_name, template, disable_rollback=True)
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self.stack_id = stack.store()
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self.m.StubOutWithMock(nova_keypair.KeypairConstraint, 'validate')
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nova_keypair.KeypairConstraint.validate(
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mox.IgnoreArg(), mox.IgnoreArg()).MultipleTimes().AndReturn(True)
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self.m.StubOutWithMock(image.ImageConstraint, 'validate')
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image.ImageConstraint.validate(
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mox.IgnoreArg(), mox.IgnoreArg()).MultipleTimes().AndReturn(True)
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self.m.StubOutWithMock(instance.Instance, 'handle_create')
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self.m.StubOutWithMock(instance.Instance, 'check_create_complete')
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for cookie in (object(), object()):
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instance.Instance.handle_create().AndReturn(cookie)
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instance.Instance.check_create_complete(cookie).AndReturn(True)
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self.m.StubOutWithMock(wc.WaitConditionHandle, 'keystone')
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wc.WaitConditionHandle.keystone().MultipleTimes().AndReturn(self.fc)
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id = identifier.ResourceIdentifier('test_tenant_id', stack.name,
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stack.id, '', 'WH')
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self.m.StubOutWithMock(wc.WaitConditionHandle, 'identifier')
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wc.WaitConditionHandle.identifier().MultipleTimes().AndReturn(id)
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self.m.StubOutWithMock(scheduler.TaskRunner, '_sleep')
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self.m.StubOutWithMock(service.EngineService, 'load_user_creds')
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service.EngineService.load_user_creds(
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mox.IgnoreArg()).MultipleTimes().AndReturn(ctx)
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return stack
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@utils.stack_delete_after
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def test_wait_meta(self):
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'''
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1 create stack
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2 assert empty instance metadata
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3 service.metadata_update()
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4 assert valid waitcond metadata
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5 assert valid instance metadata
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'''
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self.stack = self.create_stack()
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watch = self.stack['WC']
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inst = self.stack['S2']
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def check_empty(sleep_time):
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self.assertEqual('{}', watch.FnGetAtt('Data'))
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self.assertIsNone(inst.metadata['test'])
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def update_metadata(id, data, reason):
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self.man.metadata_update(utils.dummy_context(),
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dict(self.stack.identifier()),
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'WH',
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{'Data': data, 'Reason': reason,
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'Status': 'SUCCESS', 'UniqueId': id})
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def post_success(sleep_time):
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update_metadata('123', 'foo', 'bar')
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scheduler.TaskRunner._sleep(mox.IsA(int)).WithSideEffects(check_empty)
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scheduler.TaskRunner._sleep(mox.IsA(int)).WithSideEffects(post_success)
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scheduler.TaskRunner._sleep(mox.IsA(int)).MultipleTimes().AndReturn(
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None)
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self.m.ReplayAll()
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self.stack.create()
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self.assertEqual((self.stack.CREATE, self.stack.COMPLETE),
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self.stack.state)
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self.assertEqual('{"123": "foo"}', watch.FnGetAtt('Data'))
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self.assertEqual('{"123": "foo"}', inst.metadata['test'])
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update_metadata('456', 'blarg', 'wibble')
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self.assertEqual('{"123": "foo", "456": "blarg"}',
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watch.FnGetAtt('Data'))
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self.assertEqual('{"123": "foo", "456": "blarg"}',
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inst.metadata['test'])
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self.m.VerifyAll()
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