518 lines
16 KiB
Python
518 lines
16 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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from oslo.config import cfg
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cfg.CONF.import_opt('max_resources_per_stack', 'heat.common.config')
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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.common import urlfetch
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from heat.db import api as db_api
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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.tests import generic_resource as generic_rsrc
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from heat.tests import utils
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from heat.tests.common import HeatTestCase
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class NestedStackTest(HeatTestCase):
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test_template = '''
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HeatTemplateFormatVersion: '2012-12-12'
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Resources:
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the_nested:
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Type: AWS::CloudFormation::Stack
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Properties:
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TemplateURL: https://server.test/the.template
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Parameters:
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KeyName: foo
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'''
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nested_template = '''
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HeatTemplateFormatVersion: '2012-12-12'
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Parameters:
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KeyName:
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Type: String
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Outputs:
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Foo:
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Value: bar
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'''
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update_template = '''
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HeatTemplateFormatVersion: '2012-12-12'
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Parameters:
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KeyName:
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Type: String
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Outputs:
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Bar:
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Value: foo
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'''
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def setUp(self):
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super(NestedStackTest, self).setUp()
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self.m.StubOutWithMock(urlfetch, 'get')
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utils.setup_dummy_db()
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def create_stack(self, template):
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t = template_format.parse(template)
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stack = self.parse_stack(t)
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stack.create()
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self.assertEqual(stack.state, (stack.CREATE, stack.COMPLETE))
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return stack
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def parse_stack(self, t):
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ctx = utils.dummy_context('test_username', 'aaaa', 'password')
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stack_name = 'test_stack'
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tmpl = parser.Template(t)
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stack = parser.Stack(ctx, stack_name, tmpl)
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stack.store()
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return stack
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def test_nested_stack_create(self):
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urlfetch.get('https://server.test/the.template').MultipleTimes().\
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AndReturn(self.nested_template)
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self.m.ReplayAll()
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stack = self.create_stack(self.test_template)
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rsrc = stack['the_nested']
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nested_name = utils.PhysName(stack.name, 'the_nested')
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self.assertEqual(nested_name, rsrc.physical_resource_name())
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arn_prefix = ('arn:openstack:heat::aaaa:stacks/%s/' %
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rsrc.physical_resource_name())
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self.assertTrue(rsrc.FnGetRefId().startswith(arn_prefix))
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self.assertEqual('bar', rsrc.FnGetAtt('Outputs.Foo'))
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self.assertRaises(
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exception.InvalidTemplateAttribute, rsrc.FnGetAtt, 'Foo')
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self.assertRaises(
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exception.InvalidTemplateAttribute, rsrc.FnGetAtt, 'Outputs.Bar')
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self.assertRaises(
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exception.InvalidTemplateAttribute, rsrc.FnGetAtt, 'Bar')
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rsrc.delete()
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self.assertTrue(rsrc.FnGetRefId().startswith(arn_prefix))
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self.m.VerifyAll()
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def test_nested_stack_create_with_timeout(self):
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urlfetch.get('https://server.test/the.template').MultipleTimes().\
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AndReturn(self.nested_template)
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self.m.ReplayAll()
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timeout_template = template_format.parse(
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copy.deepcopy(self.test_template))
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props = timeout_template['Resources']['the_nested']['Properties']
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props['TimeoutInMinutes'] = '50'
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stack = self.create_stack(json.dumps(timeout_template))
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self.assertEqual(stack.state, (stack.CREATE, stack.COMPLETE))
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self.m.VerifyAll()
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def test_nested_stack_create_exceeds_resource_limit(self):
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cfg.CONF.set_override('max_resources_per_stack', 1)
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resource._register_class('GenericResource',
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generic_rsrc.GenericResource)
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urlfetch.get('https://server.test/the.template').MultipleTimes().\
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AndReturn('''
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HeatTemplateFormatVersion: '2012-12-12'
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Parameters:
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KeyName:
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Type: String
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Resources:
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NestedResource:
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Type: GenericResource
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Outputs:
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Foo:
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Value: bar
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''')
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self.m.ReplayAll()
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t = template_format.parse(self.test_template)
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stack = self.parse_stack(t)
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stack.create()
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self.assertEqual(stack.state, (stack.CREATE, stack.FAILED))
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self.assertIn('Maximum resources per stack exceeded',
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stack.status_reason)
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self.m.VerifyAll()
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def test_nested_stack_create_equals_resource_limit(self):
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cfg.CONF.set_override('max_resources_per_stack', 2)
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resource._register_class('GenericResource',
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generic_rsrc.GenericResource)
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urlfetch.get('https://server.test/the.template').MultipleTimes().\
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AndReturn('''
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HeatTemplateFormatVersion: '2012-12-12'
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Parameters:
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KeyName:
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Type: String
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Resources:
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NestedResource:
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Type: GenericResource
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Outputs:
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Foo:
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Value: bar
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''')
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self.m.ReplayAll()
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t = template_format.parse(self.test_template)
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stack = self.parse_stack(t)
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stack.create()
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self.assertEqual(stack.state, (stack.CREATE, stack.COMPLETE))
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self.assertIn('NestedResource',
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stack['the_nested'].nested())
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self.m.VerifyAll()
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def test_nested_stack_update(self):
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urlfetch.get('https://server.test/the.template').MultipleTimes().\
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AndReturn(self.nested_template)
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urlfetch.get('https://server.test/new.template').MultipleTimes().\
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AndReturn(self.update_template)
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self.m.ReplayAll()
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stack = self.create_stack(self.test_template)
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rsrc = stack['the_nested']
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original_nested_id = rsrc.resource_id
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t = template_format.parse(self.test_template)
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new_res = copy.deepcopy(t['Resources']['the_nested'])
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new_res['Properties']['TemplateURL'] = (
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'https://server.test/new.template')
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prop_diff = {'TemplateURL': 'https://server.test/new.template'}
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updater = rsrc.handle_update(new_res, {}, prop_diff)
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updater.run_to_completion()
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self.assertEqual(True, rsrc.check_update_complete(updater))
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# Expect the physical resource name staying the same after update,
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# so that the nested was actually updated instead of replaced.
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self.assertEqual(original_nested_id, rsrc.resource_id)
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db_nested = db_api.stack_get(stack.context,
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rsrc.resource_id)
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# Owner_id should be preserved during the update process.
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self.assertEqual(stack.id, db_nested.owner_id)
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self.assertEqual('foo', rsrc.FnGetAtt('Outputs.Bar'))
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self.assertRaises(
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exception.InvalidTemplateAttribute, rsrc.FnGetAtt, 'Foo')
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self.assertRaises(
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exception.InvalidTemplateAttribute, rsrc.FnGetAtt, 'Outputs.Foo')
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self.assertRaises(
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exception.InvalidTemplateAttribute, rsrc.FnGetAtt, 'Bar')
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rsrc.delete()
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self.m.VerifyAll()
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def test_nested_stack_update_equals_resource_limit(self):
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resource._register_class('GenericResource',
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generic_rsrc.GenericResource)
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urlfetch.get('https://server.test/the.template').MultipleTimes().\
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AndReturn(self.nested_template)
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urlfetch.get('https://server.test/new.template').MultipleTimes().\
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AndReturn('''
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HeatTemplateFormatVersion: '2012-12-12'
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Parameters:
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KeyName:
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Type: String
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Resources:
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NestedResource:
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Type: GenericResource
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Outputs:
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Bar:
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Value: foo
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''')
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self.m.ReplayAll()
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stack = self.create_stack(self.test_template)
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cfg.CONF.set_override('max_resources_per_stack', 2)
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rsrc = stack['the_nested']
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original_nested_id = rsrc.resource_id
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t = template_format.parse(self.test_template)
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new_res = copy.deepcopy(t['Resources']['the_nested'])
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new_res['Properties']['TemplateURL'] = (
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'https://server.test/new.template')
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prop_diff = {'TemplateURL': 'https://server.test/new.template'}
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updater = rsrc.handle_update(new_res, {}, prop_diff)
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updater.run_to_completion()
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self.assertEqual(True, rsrc.check_update_complete(updater))
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self.assertEqual('foo', rsrc.FnGetAtt('Outputs.Bar'))
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rsrc.delete()
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self.m.VerifyAll()
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def test_nested_stack_update_exceeds_limit(self):
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resource._register_class('GenericResource',
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generic_rsrc.GenericResource)
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urlfetch.get('https://server.test/the.template').MultipleTimes().\
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AndReturn(self.nested_template)
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urlfetch.get('https://server.test/new.template').MultipleTimes().\
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AndReturn('''
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HeatTemplateFormatVersion: '2012-12-12'
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Parameters:
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KeyName:
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Type: String
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Resources:
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NestedResource:
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Type: GenericResource
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Outputs:
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Bar:
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Value: foo
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''')
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self.m.ReplayAll()
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stack = self.create_stack(self.test_template)
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cfg.CONF.set_override('max_resources_per_stack', 1)
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rsrc = stack['the_nested']
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original_nested_id = rsrc.resource_id
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t = template_format.parse(self.test_template)
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new_res = copy.deepcopy(t['Resources']['the_nested'])
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new_res['Properties']['TemplateURL'] = (
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'https://server.test/new.template')
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prop_diff = {'TemplateURL': 'https://server.test/new.template'}
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ex = self.assertRaises(exception.RequestLimitExceeded,
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rsrc.handle_update, new_res, {}, prop_diff)
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self.assertIn(exception.StackResourceLimitExceeded.message,
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str(ex))
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rsrc.delete()
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self.m.VerifyAll()
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def test_nested_stack_suspend_resume(self):
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urlfetch.get('https://server.test/the.template').AndReturn(
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self.nested_template)
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self.m.ReplayAll()
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stack = self.create_stack(self.test_template)
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rsrc = stack['the_nested']
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scheduler.TaskRunner(rsrc.suspend)()
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self.assertEqual(rsrc.state, (rsrc.SUSPEND, rsrc.COMPLETE))
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scheduler.TaskRunner(rsrc.resume)()
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self.assertEqual(rsrc.state, (rsrc.RESUME, rsrc.COMPLETE))
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rsrc.delete()
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self.m.VerifyAll()
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def test_nested_stack_three_deep(self):
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root_template = '''
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HeatTemplateFormat: 2012-12-12
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Resources:
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Nested:
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Type: AWS::CloudFormation::Stack
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Properties:
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TemplateURL: 'https://server.test/depth1.template'
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'''
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depth1_template = '''
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HeatTemplateFormat: 2012-12-12
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Resources:
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Nested:
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Type: AWS::CloudFormation::Stack
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Properties:
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TemplateURL: 'https://server.test/depth2.template'
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'''
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depth2_template = '''
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HeatTemplateFormat: 2012-12-12
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Resources:
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Nested:
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Type: AWS::CloudFormation::Stack
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Properties:
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TemplateURL: 'https://server.test/depth3.template'
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Parameters:
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KeyName: foo
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'''
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urlfetch.get(
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'https://server.test/depth1.template').AndReturn(
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depth1_template)
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urlfetch.get(
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'https://server.test/depth2.template').AndReturn(
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depth2_template)
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urlfetch.get(
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'https://server.test/depth3.template').AndReturn(
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self.nested_template)
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self.m.ReplayAll()
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self.create_stack(root_template)
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self.m.VerifyAll()
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def test_nested_stack_four_deep(self):
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root_template = '''
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HeatTemplateFormat: 2012-12-12
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Resources:
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Nested:
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Type: AWS::CloudFormation::Stack
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Properties:
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TemplateURL: 'https://server.test/depth1.template'
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'''
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depth1_template = '''
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HeatTemplateFormat: 2012-12-12
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Resources:
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Nested:
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Type: AWS::CloudFormation::Stack
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Properties:
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TemplateURL: 'https://server.test/depth2.template'
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'''
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depth2_template = '''
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HeatTemplateFormat: 2012-12-12
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Resources:
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Nested:
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Type: AWS::CloudFormation::Stack
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Properties:
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TemplateURL: 'https://server.test/depth3.template'
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'''
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depth3_template = '''
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HeatTemplateFormat: 2012-12-12
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Resources:
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Nested:
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Type: AWS::CloudFormation::Stack
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Properties:
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TemplateURL: 'https://server.test/depth4.template'
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Parameters:
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KeyName: foo
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'''
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urlfetch.get(
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'https://server.test/depth1.template').AndReturn(
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depth1_template)
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urlfetch.get(
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'https://server.test/depth2.template').AndReturn(
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depth2_template)
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urlfetch.get(
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'https://server.test/depth3.template').AndReturn(
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depth3_template)
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urlfetch.get(
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'https://server.test/depth4.template').AndReturn(
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self.nested_template)
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self.m.ReplayAll()
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t = template_format.parse(root_template)
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stack = self.parse_stack(t)
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stack.create()
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self.assertEqual((stack.CREATE, stack.FAILED), stack.state)
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self.assertIn('Recursion depth exceeds', stack.status_reason)
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self.m.VerifyAll()
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def test_nested_stack_four_wide(self):
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root_template = '''
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HeatTemplateFormat: 2012-12-12
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Resources:
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Nested:
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Type: AWS::CloudFormation::Stack
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Properties:
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TemplateURL: 'https://server.test/depth1.template'
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Parameters:
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KeyName: foo
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Nested2:
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Type: AWS::CloudFormation::Stack
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Properties:
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TemplateURL: 'https://server.test/depth2.template'
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Parameters:
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KeyName: foo
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Nested3:
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Type: AWS::CloudFormation::Stack
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Properties:
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TemplateURL: 'https://server.test/depth3.template'
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Parameters:
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KeyName: foo
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Nested4:
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Type: AWS::CloudFormation::Stack
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Properties:
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TemplateURL: 'https://server.test/depth4.template'
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Parameters:
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KeyName: foo
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'''
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urlfetch.get(
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'https://server.test/depth1.template').InAnyOrder().AndReturn(
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self.nested_template)
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urlfetch.get(
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'https://server.test/depth2.template').InAnyOrder().AndReturn(
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self.nested_template)
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urlfetch.get(
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'https://server.test/depth3.template').InAnyOrder().AndReturn(
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self.nested_template)
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urlfetch.get(
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'https://server.test/depth4.template').InAnyOrder().AndReturn(
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self.nested_template)
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self.m.ReplayAll()
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self.create_stack(root_template)
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self.m.VerifyAll()
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def test_nested_stack_infinite_recursion(self):
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template = '''
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HeatTemplateFormat: 2012-12-12
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Resources:
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Nested:
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Type: AWS::CloudFormation::Stack
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Properties:
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TemplateURL: 'https://server.test/the.template'
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'''
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urlfetch.get(
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'https://server.test/the.template').MultipleTimes().AndReturn(
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template)
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self.m.ReplayAll()
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t = template_format.parse(template)
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stack = self.parse_stack(t)
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stack.create()
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self.assertEqual(stack.state, (stack.CREATE, stack.FAILED))
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self.assertIn('Recursion depth exceeds', stack.status_reason)
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self.m.VerifyAll()
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class ResDataResource(generic_rsrc.GenericResource):
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def handle_create(self):
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db_api.resource_data_set(self, "test", 'A secret value', True)
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class ResDataNestedStackTest(NestedStackTest):
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nested_template = '''
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HeatTemplateFormatVersion: "2012-12-12"
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Parameters:
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KeyName:
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Type: String
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Resources:
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nested_res:
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Type: "res.data.resource"
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Outputs:
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Foo:
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Value: bar
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'''
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def setUp(self):
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resource._register_class("res.data.resource", ResDataResource)
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super(ResDataNestedStackTest, self).setUp()
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def test_res_data_delete(self):
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urlfetch.get('https://server.test/the.template').AndReturn(
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self.nested_template)
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self.m.ReplayAll()
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stack = self.create_stack(self.test_template)
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res = stack['the_nested'].nested()['nested_res']
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stack.delete()
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self.assertEqual(stack.state, (stack.DELETE, stack.COMPLETE))
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self.assertRaises(exception.NotFound, db_api.resource_data_get, res,
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'test')
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