Merge "Add a functional test for nested get_attr functions"
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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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# Using nested get_attr functions isn't a good idea - in particular, this
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# actually working depends on correct dependencies between the two resources
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# whose attributes are being fetched, and these dependencies are non-local to
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# where the get_attr calls are used. Nevertheless, it did sort-of work, and
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# this test will help keep it that way.
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from heat_integrationtests.functional import functional_base
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initial_template = '''
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heat_template_version: ocata
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resources:
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dict_resource:
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type: OS::Heat::Value
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properties:
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value:
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blarg: wibble
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foo: bar
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baz: quux
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fred: barney
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# These dependencies are required because we only want to read the
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# attribute values for a given resource once, and therefore we do so in
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# dependency order. This is necessarily true for a convergence traversal,
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# but also happens when we're fetching the resource attributes e.g. to show
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# the output values. The key1/key2 attribute values must be stored before
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# we attempt to calculate the dep_attrs for dict_resource in order to
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# correctly determine which attributes of dict_resource are used.
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depends_on:
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- key1
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- key2
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- indirect_key3_dep
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key1:
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type: OS::Heat::Value
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properties:
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value: blarg
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key2:
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type: OS::Heat::Value
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properties:
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value: foo
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key3:
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type: OS::Heat::Value
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properties:
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value: fred
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value1:
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type: OS::Heat::Value
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properties:
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value:
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get_attr:
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- dict_resource
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- value
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- {get_attr: [key1, value]}
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indirect_key3_dep:
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type: OS::Heat::Value
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properties:
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value: ignored
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depends_on: key3
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outputs:
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value1:
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value: {get_attr: [value1, value]}
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value2:
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value: {get_attr: [dict_resource, value, {get_attr: [key2, value]}]}
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value3:
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value: {get_attr: [dict_resource, value, {get_attr: [key3, value]}]}
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'''
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update_template = '''
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heat_template_version: ocata
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resources:
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dict_resource:
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type: OS::Heat::Value
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properties:
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value:
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blarg: wibble
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foo: bar
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baz: quux
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fred: barney
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depends_on:
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- key1
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- key2
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- indirect_key3_dep
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- key4
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key1:
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type: OS::Heat::Value
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properties:
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value: foo
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key2:
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type: OS::Heat::Value
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properties:
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value: fred
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key3:
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type: OS::Heat::Value
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properties:
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value: blarg
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key4:
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type: OS::Heat::Value
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properties:
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value: baz
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value1:
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type: OS::Heat::Value
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properties:
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value:
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get_attr:
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- dict_resource
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- value
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- {get_attr: [key1, value]}
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value4:
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type: OS::Heat::Value
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properties:
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value:
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get_attr:
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- dict_resource
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- value
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- {get_attr: [key4, value]}
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indirect_key3_dep:
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type: OS::Heat::Value
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properties:
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value: ignored
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depends_on: key3
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outputs:
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value1:
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value: {get_attr: [value1, value]}
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value2:
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value: {get_attr: [dict_resource, value, {get_attr: [key2, value]}]}
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value3:
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value: {get_attr: [dict_resource, value, {get_attr: [key3, value]}]}
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value4:
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value: {get_attr: [value4, value]}
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'''
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class NestedGetAttrTest(functional_base.FunctionalTestsBase):
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def assertOutput(self, value, stack_identifier, key):
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op = self.client.stacks.output_show(stack_identifier, key)['output']
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self.assertEqual(key, op['output_key'])
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if 'output_error' in op:
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raise Exception(op['output_error'])
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self.assertEqual(value, op['output_value'])
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def test_nested_get_attr_create(self):
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stack_identifier = self.stack_create(template=initial_template)
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self.assertOutput('wibble', stack_identifier, 'value1')
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self.assertOutput('bar', stack_identifier, 'value2')
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self.assertOutput('barney', stack_identifier, 'value3')
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def test_nested_get_attr_update(self):
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stack_identifier = self.stack_create(template=initial_template)
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self.update_stack(stack_identifier, template=update_template)
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self.assertOutput('bar', stack_identifier, 'value1')
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self.assertOutput('barney', stack_identifier, 'value2')
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self.assertOutput('wibble', stack_identifier, 'value3')
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self.assertOutput('quux', stack_identifier, 'value4')
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