Source code for heat_integrationtests.functional.test_create_update

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#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.


import copy
import json

from heat_integrationtests.functional import functional_base

test_template_one_resource = {
    'heat_template_version': '2013-05-23',
    'description': 'Test template to create one instance.',
    'resources': {
        'test1': {
            'type': 'OS::Heat::TestResource',
            'properties': {
                'value': 'Test1',
                'fail': False,
                'update_replace': False,
                'wait_secs': 1,
                'action_wait_secs': {'create': 1},
                'client_name': 'nova',
                'entity_name': 'servers',
            }
        }
    }
}

test_template_two_resource = {
    'heat_template_version': '2013-05-23',
    'description': 'Test template to create two instance.',
    'resources': {
        'test1': {
            'type': 'OS::Heat::TestResource',
            'properties': {
                'value': 'Test1',
                'fail': False,
                'update_replace': False,
                'wait_secs': 0,
                'action_wait_secs': {'update': 1}
            }
        },
        'test2': {
            'type': 'OS::Heat::TestResource',
            'properties': {
                'value': 'Test1',
                'fail': False,
                'update_replace': False,
                'wait_secs': 0
            }
        }
    }
}


def _change_rsrc_properties(template, rsrcs, values):
        modified_template = copy.deepcopy(template)
        for rsrc_name in rsrcs:
            rsrc_prop = modified_template['resources'][
                rsrc_name]['properties']
            for prop in rsrc_prop:
                if prop in values:
                    rsrc_prop[prop] = values[prop]
        return modified_template


[docs]class CreateStackTest(functional_base.FunctionalTestsBase):
[docs] def setUp(self): super(CreateStackTest, self).setUp()
[docs] def test_create_rollback(self): values = {'fail': True, 'value': 'test_create_rollback'} template = _change_rsrc_properties(test_template_one_resource, ['test1'], values) self.stack_create( template=template, expected_status='ROLLBACK_COMPLETE', disable_rollback=False)
[docs]class UpdateStackTest(functional_base.FunctionalTestsBase): provider_template = { 'heat_template_version': '2013-05-23', 'description': 'foo', 'resources': { 'test1': { 'type': 'My::TestResource' } } } provider_group_template = ''' heat_template_version: 2013-05-23 parameters: count: type: number default: 2 resources: test_group: type: OS::Heat::ResourceGroup properties: count: {get_param: count} resource_def: type: My::TestResource ''' update_userdata_template = ''' heat_template_version: 2014-10-16 parameters: flavor: type: string user_data: type: string image: type: string network: type: string resources: server: type: OS::Nova::Server properties: image: {get_param: image} flavor: {get_param: flavor} networks: [{network: {get_param: network} }] user_data_format: SOFTWARE_CONFIG user_data: {get_param: user_data} ''' fail_param_template = ''' heat_template_version: 2014-10-16 parameters: do_fail: type: boolean default: False resources: aresource: type: OS::Heat::TestResource properties: value: Test fail: {get_param: do_fail} wait_secs: 1 '''
[docs] def setUp(self): super(UpdateStackTest, self).setUp()
[docs] def test_stack_update_nochange(self): template = _change_rsrc_properties(test_template_one_resource, ['test1'], {'value': 'test_no_change'}) stack_identifier = self.stack_create( template=template) expected_resources = {'test1': 'OS::Heat::TestResource'} self.assertEqual(expected_resources, self.list_resources(stack_identifier)) # Update with no changes, resources should be unchanged self.update_stack(stack_identifier, template) self.assertEqual(expected_resources, self.list_resources(stack_identifier))
[docs] def test_stack_in_place_update(self): template = _change_rsrc_properties(test_template_one_resource, ['test1'], {'value': 'test_in_place'}) stack_identifier = self.stack_create( template=template) expected_resources = {'test1': 'OS::Heat::TestResource'} self.assertEqual(expected_resources, self.list_resources(stack_identifier)) resource = self.client.resources.list(stack_identifier) initial_phy_id = resource[0].physical_resource_id tmpl_update = _change_rsrc_properties( test_template_one_resource, ['test1'], {'value': 'test_in_place_update'}) # Update the Value self.update_stack(stack_identifier, tmpl_update) resource = self.client.resources.list(stack_identifier) # By default update_in_place self.assertEqual(initial_phy_id, resource[0].physical_resource_id)
[docs] def test_stack_update_replace(self): template = _change_rsrc_properties(test_template_one_resource, ['test1'], {'value': 'test_replace'}) stack_identifier = self.stack_create( template=template) expected_resources = {'test1': 'OS::Heat::TestResource'} self.assertEqual(expected_resources, self.list_resources(stack_identifier)) resource = self.client.resources.list(stack_identifier) initial_phy_id = resource[0].physical_resource_id # Update the value and also set update_replace prop tmpl_update = _change_rsrc_properties( test_template_one_resource, ['test1'], {'value': 'test_in_place_update', 'update_replace': True}) self.update_stack(stack_identifier, tmpl_update) resource = self.client.resources.list(stack_identifier) # update Replace self.assertNotEqual(initial_phy_id, resource[0].physical_resource_id)
[docs] def test_stack_update_add_remove(self): template = _change_rsrc_properties(test_template_one_resource, ['test1'], {'value': 'test_add_remove'}) stack_identifier = self.stack_create( template=template) initial_resources = {'test1': 'OS::Heat::TestResource'} self.assertEqual(initial_resources, self.list_resources(stack_identifier)) tmpl_update = _change_rsrc_properties( test_template_two_resource, ['test1', 'test2'], {'value': 'test_add_remove_update'}) # Add one resource via a stack update self.update_stack(stack_identifier, tmpl_update) updated_resources = {'test1': 'OS::Heat::TestResource', 'test2': 'OS::Heat::TestResource'} self.assertEqual(updated_resources, self.list_resources(stack_identifier)) # Then remove it by updating with the original template self.update_stack(stack_identifier, template) self.assertEqual(initial_resources, self.list_resources(stack_identifier))
[docs] def test_stack_update_rollback(self): template = _change_rsrc_properties(test_template_one_resource, ['test1'], {'value': 'test_update_rollback'}) stack_identifier = self.stack_create( template=template) initial_resources = {'test1': 'OS::Heat::TestResource'} self.assertEqual(initial_resources, self.list_resources(stack_identifier)) tmpl_update = _change_rsrc_properties( test_template_two_resource, ['test1', 'test2'], {'value': 'test_update_rollback', 'fail': True}) # stack update, also set failure self.update_stack(stack_identifier, tmpl_update, expected_status='ROLLBACK_COMPLETE', disable_rollback=False) # since stack update failed only the original resource is present updated_resources = {'test1': 'OS::Heat::TestResource'} self.assertEqual(updated_resources, self.list_resources(stack_identifier))
[docs] def test_stack_update_from_failed(self): # Prove it's possible to update from an UPDATE_FAILED state template = _change_rsrc_properties(test_template_one_resource, ['test1'], {'value': 'test_update_failed'}) stack_identifier = self.stack_create( template=template) initial_resources = {'test1': 'OS::Heat::TestResource'} self.assertEqual(initial_resources, self.list_resources(stack_identifier)) tmpl_update = _change_rsrc_properties( test_template_one_resource, ['test1'], {'fail': True}) # Update with bad template, we should fail self.update_stack(stack_identifier, tmpl_update, expected_status='UPDATE_FAILED') # but then passing a good template should succeed self.update_stack(stack_identifier, test_template_two_resource) updated_resources = {'test1': 'OS::Heat::TestResource', 'test2': 'OS::Heat::TestResource'} self.assertEqual(updated_resources, self.list_resources(stack_identifier))
[docs] def test_stack_update_provider(self): template = _change_rsrc_properties( test_template_one_resource, ['test1'], {'value': 'test_provider_template'}) files = {'provider.template': json.dumps(template)} env = {'resource_registry': {'My::TestResource': 'provider.template'}} stack_identifier = self.stack_create( template=self.provider_template, files=files, environment=env ) initial_resources = {'test1': 'My::TestResource'} self.assertEqual(initial_resources, self.list_resources(stack_identifier)) # Prove the resource is backed by a nested stack, save the ID nested_identifier = self.assert_resource_is_a_stack(stack_identifier, 'test1') nested_id = nested_identifier.split('/')[-1] # Then check the expected resources are in the nested stack nested_resources = {'test1': 'OS::Heat::TestResource'} self.assertEqual(nested_resources, self.list_resources(nested_identifier)) tmpl_update = _change_rsrc_properties( test_template_two_resource, ['test1', 'test2'], {'value': 'test_provider_template'}) # Add one resource via a stack update by changing the nested stack files['provider.template'] = json.dumps(tmpl_update) self.update_stack(stack_identifier, self.provider_template, environment=env, files=files) # Parent resources should be unchanged and the nested stack # should have been updated in-place without replacement self.assertEqual(initial_resources, self.list_resources(stack_identifier)) rsrc = self.client.resources.get(stack_identifier, 'test1') self.assertEqual(rsrc.physical_resource_id, nested_id) # Then check the expected resources are in the nested stack nested_resources = {'test1': 'OS::Heat::TestResource', 'test2': 'OS::Heat::TestResource'} self.assertEqual(nested_resources, self.list_resources(nested_identifier))
[docs] def test_stack_update_alias_type(self): env = {'resource_registry': {'My::TestResource': 'OS::Heat::RandomString', 'My::TestResource2': 'OS::Heat::RandomString'}} stack_identifier = self.stack_create( template=self.provider_template, environment=env ) p_res = self.client.resources.get(stack_identifier, 'test1') self.assertEqual('My::TestResource', p_res.resource_type) initial_resources = {'test1': 'My::TestResource'} self.assertEqual(initial_resources, self.list_resources(stack_identifier)) res = self.client.resources.get(stack_identifier, 'test1') # Modify the type of the resource alias to My::TestResource2 tmpl_update = copy.deepcopy(self.provider_template) tmpl_update['resources']['test1']['type'] = 'My::TestResource2' self.update_stack(stack_identifier, tmpl_update, environment=env) res_a = self.client.resources.get(stack_identifier, 'test1') self.assertEqual(res.physical_resource_id, res_a.physical_resource_id) self.assertEqual(res.attributes['value'], res_a.attributes['value'])
[docs] def test_stack_update_alias_changes(self): env = {'resource_registry': {'My::TestResource': 'OS::Heat::RandomString'}} stack_identifier = self.stack_create( template=self.provider_template, environment=env ) p_res = self.client.resources.get(stack_identifier, 'test1') self.assertEqual('My::TestResource', p_res.resource_type) initial_resources = {'test1': 'My::TestResource'} self.assertEqual(initial_resources, self.list_resources(stack_identifier)) res = self.client.resources.get(stack_identifier, 'test1') # Modify the resource alias to point to a different type env = {'resource_registry': {'My::TestResource': 'OS::Heat::TestResource'}} self.update_stack(stack_identifier, template=self.provider_template, environment=env) res_a = self.client.resources.get(stack_identifier, 'test1') self.assertNotEqual(res.physical_resource_id, res_a.physical_resource_id)
[docs] def test_stack_update_provider_type(self): template = _change_rsrc_properties( test_template_one_resource, ['test1'], {'value': 'test_provider_template'}) files = {'provider.template': json.dumps(template)} env = {'resource_registry': {'My::TestResource': 'provider.template', 'My::TestResource2': 'provider.template'}} stack_identifier = self.stack_create( template=self.provider_template, files=files, environment=env ) p_res = self.client.resources.get(stack_identifier, 'test1') self.assertEqual('My::TestResource', p_res.resource_type) initial_resources = {'test1': 'My::TestResource'} self.assertEqual(initial_resources, self.list_resources(stack_identifier)) # Prove the resource is backed by a nested stack, save the ID nested_identifier = self.assert_resource_is_a_stack(stack_identifier, 'test1') nested_id = nested_identifier.split('/')[-1] # Then check the expected resources are in the nested stack nested_resources = {'test1': 'OS::Heat::TestResource'} self.assertEqual(nested_resources, self.list_resources(nested_identifier)) n_res = self.client.resources.get(nested_identifier, 'test1') # Modify the type of the provider resource to My::TestResource2 tmpl_update = copy.deepcopy(self.provider_template) tmpl_update['resources']['test1']['type'] = 'My::TestResource2' self.update_stack(stack_identifier, tmpl_update, environment=env, files=files) p_res = self.client.resources.get(stack_identifier, 'test1') self.assertEqual('My::TestResource2', p_res.resource_type) # Parent resources should be unchanged and the nested stack # should have been updated in-place without replacement self.assertEqual({u'test1': u'My::TestResource2'}, self.list_resources(stack_identifier)) rsrc = self.client.resources.get(stack_identifier, 'test1') self.assertEqual(rsrc.physical_resource_id, nested_id) # Then check the expected resources are in the nested stack self.assertEqual(nested_resources, self.list_resources(nested_identifier)) n_res2 = self.client.resources.get(nested_identifier, 'test1') self.assertEqual(n_res.physical_resource_id, n_res2.physical_resource_id)
[docs] def test_stack_update_provider_group(self): """Test two-level nested update.""" # Create a ResourceGroup (which creates a nested stack), # containing provider resources (which create a nested # stack), thus exercising an update which traverses # two levels of nesting. template = _change_rsrc_properties( test_template_one_resource, ['test1'], {'value': 'test_provider_group_template'}) files = {'provider.template': json.dumps(template)} env = {'resource_registry': {'My::TestResource': 'provider.template'}} stack_identifier = self.stack_create( template=self.provider_group_template, files=files, environment=env ) initial_resources = {'test_group': 'OS::Heat::ResourceGroup'} self.assertEqual(initial_resources, self.list_resources(stack_identifier)) # Prove the resource is backed by a nested stack, save the ID nested_identifier = self.assert_resource_is_a_stack(stack_identifier, 'test_group') # Then check the expected resources are in the nested stack nested_resources = {'0': 'My::TestResource', '1': 'My::TestResource'} self.assertEqual(nested_resources, self.list_resources(nested_identifier)) for n_rsrc in nested_resources: rsrc = self.client.resources.get(nested_identifier, n_rsrc) provider_stack = self.client.stacks.get(rsrc.physical_resource_id) provider_identifier = '%s/%s' % (provider_stack.stack_name, provider_stack.id) provider_resources = {u'test1': u'OS::Heat::TestResource'} self.assertEqual(provider_resources, self.list_resources(provider_identifier)) tmpl_update = _change_rsrc_properties( test_template_two_resource, ['test1', 'test2'], {'value': 'test_provider_group_template'}) # Add one resource via a stack update by changing the nested stack files['provider.template'] = json.dumps(tmpl_update) self.update_stack(stack_identifier, self.provider_group_template, environment=env, files=files) # Parent resources should be unchanged and the nested stack # should have been updated in-place without replacement self.assertEqual(initial_resources, self.list_resources(stack_identifier)) # Resource group stack should also be unchanged (but updated) nested_stack = self.client.stacks.get(nested_identifier) self.assertEqual('UPDATE_COMPLETE', nested_stack.stack_status) self.assertEqual(nested_resources, self.list_resources(nested_identifier)) for n_rsrc in nested_resources: rsrc = self.client.resources.get(nested_identifier, n_rsrc) provider_stack = self.client.stacks.get(rsrc.physical_resource_id) provider_identifier = '%s/%s' % (provider_stack.stack_name, provider_stack.id) provider_resources = {'test1': 'OS::Heat::TestResource', 'test2': 'OS::Heat::TestResource'} self.assertEqual(provider_resources, self.list_resources(provider_identifier))
[docs] def test_stack_update_with_replacing_userdata(self): """Test case for updating userdata of instance. Confirm that we can update userdata of instance during updating stack by the user of member role. Make sure that a resource that inherits from StackUser can be deleted during updating stack. """ if not self.conf.minimal_image_ref: raise self.skipException("No minimal image configured to test") if not self.conf.minimal_instance_type: raise self.skipException("No flavor configured to test") parms = {'flavor': self.conf.minimal_instance_type, 'image': self.conf.minimal_image_ref, 'network': self.conf.fixed_network_name, 'user_data': ''} stack_identifier = self.stack_create( template=self.update_userdata_template, parameters=parms ) parms_updated = parms parms_updated['user_data'] = 'two' self.update_stack( stack_identifier, template=self.update_userdata_template, parameters=parms_updated)
[docs] def test_stack_update_provider_group_patch(self): '''Test two-level nested update with PATCH''' template = _change_rsrc_properties( test_template_one_resource, ['test1'], {'value': 'test_provider_group_template'}) files = {'provider.template': json.dumps(template)} env = {'resource_registry': {'My::TestResource': 'provider.template'}} stack_identifier = self.stack_create( template=self.provider_group_template, files=files, environment=env ) initial_resources = {'test_group': 'OS::Heat::ResourceGroup'} self.assertEqual(initial_resources, self.list_resources(stack_identifier)) # Prove the resource is backed by a nested stack, save the ID nested_identifier = self.assert_resource_is_a_stack(stack_identifier, 'test_group') # Then check the expected resources are in the nested stack nested_resources = {'0': 'My::TestResource', '1': 'My::TestResource'} self.assertEqual(nested_resources, self.list_resources(nested_identifier)) # increase the count, pass only the paramter, no env or template params = {'count': 3} self.update_stack(stack_identifier, parameters=params, existing=True) # Parent resources should be unchanged and the nested stack # should have been updated in-place without replacement self.assertEqual(initial_resources, self.list_resources(stack_identifier)) # Resource group stack should also be unchanged (but updated) nested_stack = self.client.stacks.get(nested_identifier) self.assertEqual('UPDATE_COMPLETE', nested_stack.stack_status) # Add a resource, as we should have added one nested_resources['2'] = 'My::TestResource' self.assertEqual(nested_resources, self.list_resources(nested_identifier))
[docs] def test_stack_update_from_failed_patch(self): '''Test PATCH update from a failed state.''' # Start with empty template stack_identifier = self.stack_create( template='heat_template_version: 2014-10-16') # Update with a good template, but bad parameter self.update_stack(stack_identifier, template=self.fail_param_template, parameters={'do_fail': True}, expected_status='UPDATE_FAILED') # PATCH update, only providing the parameter self.update_stack(stack_identifier, parameters={'do_fail': False}, existing=True) self.assertEqual({u'aresource': u'OS::Heat::TestResource'}, self.list_resources(stack_identifier))
[docs] def test_stack_update_with_new_env(self): """Update handles new resource types in the environment. If a resource type appears during an update and the update fails, retrying the update is able to find the type properly in the environment. """ stack_identifier = self.stack_create( template=test_template_one_resource) # Update with a new resource and make the update fails template = _change_rsrc_properties(test_template_one_resource, ['test1'], {'fail': True}) template['resources']['test2'] = {'type': 'My::TestResource'} template['resources']['test1']['depends_on'] = 'test2' env = {'resource_registry': {'My::TestResource': 'OS::Heat::TestResource'}} self.update_stack(stack_identifier, template=template, environment=env, expected_status='UPDATE_FAILED') # Fixing the template should fix the stack template = _change_rsrc_properties(template, ['test1'], {'fail': False}) self.update_stack(stack_identifier, template=template, environment=env) self.assertEqual({'test1': 'OS::Heat::TestResource', 'test2': 'My::TestResource'}, self.list_resources(stack_identifier))
[docs] def test_stack_update_with_new_version(self): """Update handles new template version in failure. If a stack update fails while changing the template version, update is able to handle the new version fine. """ stack_identifier = self.stack_create( template=test_template_one_resource) # Update with a new function and make the update fails template = _change_rsrc_properties(test_template_two_resource, ['test1'], {'fail': True}) template['heat_template_version'] = '2015-10-15' template['resources']['test2']['properties']['value'] = { 'list_join': [',', ['a'], ['b']]} self.update_stack(stack_identifier, template=template, expected_status='UPDATE_FAILED') template = _change_rsrc_properties(template, ['test2'], {'value': 'Test2'}) self.update_stack(stack_identifier, template=template, expected_status='UPDATE_FAILED') self._stack_delete(stack_identifier)
[docs] def test_stack_update_with_old_version(self): """Update handles old template version in failure. If a stack update fails while changing the template version, update is able to handle the old version fine. """ template = _change_rsrc_properties( test_template_one_resource, ['test1'], {'value': {'list_join': [',', ['a'], ['b']]}}) template['heat_template_version'] = '2015-10-15' stack_identifier = self.stack_create( template=template) # Update with a new function and make the update fails template = _change_rsrc_properties(test_template_one_resource, ['test1'], {'fail': True}) self.update_stack(stack_identifier, template=template, expected_status='UPDATE_FAILED') self._stack_delete(stack_identifier)

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