Add functional test for update of provider resource
Adds a test where we update a nested stack definition, to ensure the implementation signature is correctly recognised as changed so the update is applied in-place to the nested stack. Change-Id: I2fbbf749d7265d26fd7104036fe61d3e855ca7b7 Related-Bug: #1389499
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@ -35,20 +35,30 @@ resources:
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type: OS::Heat::RandomString
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'''
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provider_template = '''
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heat_template_version: 2013-05-23
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resources:
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random1:
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type: My::RandomString
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'''
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def setUp(self):
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super(UpdateStackTest, self).setUp()
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self.client = self.orchestration_client
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def update_stack(self, stack_identifier, template):
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def update_stack(self, stack_identifier, template, environment=None,
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files=None):
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env = environment or {}
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env_files = files or {}
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stack_name = stack_identifier.split('/')[0]
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self.client.stacks.update(
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stack_id=stack_identifier,
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stack_name=stack_name,
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template=template,
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files={},
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files=env_files,
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disable_rollback=True,
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parameters={},
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environment={}
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environment=env
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)
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self._wait_for_stack_status(stack_identifier, 'UPDATE_COMPLETE')
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@ -114,3 +124,60 @@ resources:
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self.update_stack(stack_identifier, self.template)
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self.assertEqual(initial_resources,
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self.list_resources(stack_identifier))
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def test_stack_update_provider(self):
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stack_name = self._stack_rand_name()
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files = {'provider.yaml': self.template}
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env = {'resource_registry':
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{'My::RandomString': 'provider.yaml'}}
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self.client.stacks.create(
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stack_name=stack_name,
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template=self.provider_template,
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files=files,
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disable_rollback=True,
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parameters={},
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environment=env
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)
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self.addCleanup(self.client.stacks.delete, stack_name)
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stack = self.client.stacks.get(stack_name)
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stack_identifier = '%s/%s' % (stack_name, stack.id)
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self._wait_for_stack_status(stack_identifier, 'CREATE_COMPLETE')
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initial_resources = {'random1': 'My::RandomString'}
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self.assertEqual(initial_resources,
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self.list_resources(stack_identifier))
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# Prove the resource is backed by a nested stack, save the ID
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rsrc = self.client.resources.get(stack_identifier, 'random1')
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nested_link = [l for l in rsrc.links if l['rel'] == 'nested']
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nested_href = nested_link[0]['href']
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nested_id = nested_href.split('/')[-1]
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nested_identifier = '/'.join(nested_href.split('/')[-2:])
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physical_resource_id = rsrc.physical_resource_id
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self.assertEqual(physical_resource_id, nested_id)
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# Then check the expected resources are in the nested stack
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nested_resources = {'random1': 'OS::Heat::RandomString'}
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self.assertEqual(nested_resources,
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self.list_resources(nested_identifier))
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# Add one resource via a stack update by changing the nested stack
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files['provider.yaml'] = self.update_template
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self.update_stack(stack_identifier, self.provider_template,
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environment=env, files=files)
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stack = self.client.stacks.get(stack_identifier)
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# Parent resources should be unchanged and the nested stack
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# should have been updated in-place without replacement
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self.assertEqual(initial_resources,
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self.list_resources(stack_identifier))
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rsrc = self.client.resources.get(stack_identifier, 'random1')
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self.assertEqual(rsrc.physical_resource_id, nested_id)
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# Then check the expected resources are in the nested stack
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nested_resources = {'random1': 'OS::Heat::RandomString',
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'random2': 'OS::Heat::RandomString'}
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self.assertEqual(nested_resources,
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self.list_resources(nested_identifier))
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