heat_integrationtests.functional.test_resource_group

Source code for heat_integrationtests.functional.test_resource_group

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import copy
import json

from heatclient import exc
import six
import yaml

from heat_integrationtests.functional import functional_base


[docs]class ResourceGroupTest(functional_base.FunctionalTestsBase): template = ''' heat_template_version: 2013-05-23 resources: random_group: type: OS::Heat::ResourceGroup properties: count: 0 resource_def: type: My::RandomString properties: length: 30 salt: initial outputs: random1: value: {get_attr: [random_group, resource.0.value]} random2: value: {get_attr: [random_group, resource.1.value]} all_values: value: {get_attr: [random_group, value]} '''
[docs] def test_resource_group_zero_novalidate(self): # Nested resources should be validated only when size > 0 # This allows features to be disabled via size=0 without # triggering validation of nested resource custom constraints # e.g images etc in the nested schema. nested_template_fail = ''' heat_template_version: 2013-05-23 parameters: length: type: string default: 50 salt: type: string default: initial resources: random: type: OS::Heat::RandomString properties: length: BAD ''' files = {'provider.yaml': nested_template_fail} env = {'resource_registry': {'My::RandomString': 'provider.yaml'}} stack_identifier = self.stack_create( template=self.template, files=files, environment=env ) self.assertEqual({u'random_group': u'OS::Heat::ResourceGroup'}, self.list_resources(stack_identifier)) # Check we created an empty nested stack nested_identifier = self.group_nested_identifier(stack_identifier, 'random_group') self.assertEqual({}, self.list_resources(nested_identifier)) # Prove validation works for non-zero create/update template_two_nested = self.template.replace("count: 0", "count: 2") expected_err = ("resources.random_group<nested_stack>.resources." "0<provider.yaml>.resources.random: : " "Value 'BAD' is not an integer") ex = self.assertRaises(exc.HTTPBadRequest, self.update_stack, stack_identifier, template_two_nested, environment=env, files=files) self.assertIn(expected_err, six.text_type(ex)) ex = self.assertRaises(exc.HTTPBadRequest, self.stack_create, template=template_two_nested, environment=env, files=files) self.assertIn(expected_err, six.text_type(ex))
def _validate_resources(self, stack_identifier, expected_count): resources = self.list_group_resources(stack_identifier, 'random_group') self.assertEqual(expected_count, len(resources)) expected_resources = dict( (str(idx), 'My::RandomString') for idx in range(expected_count)) self.assertEqual(expected_resources, resources)
[docs] def test_create(self): def validate_output(stack, output_key, length): output_value = self._stack_output(stack, output_key) self.assertEqual(length, len(output_value)) return output_value # verify that the resources in resource group are identically # configured, resource names and outputs are appropriate. env = {'resource_registry': {'My::RandomString': 'OS::Heat::RandomString'}} create_template = self.template.replace("count: 0", "count: 2") stack_identifier = self.stack_create(template=create_template, environment=env) self.assertEqual({u'random_group': u'OS::Heat::ResourceGroup'}, self.list_resources(stack_identifier)) # validate count, type and name of resources in a resource group. self._validate_resources(stack_identifier, 2) # validate outputs stack = self.client.stacks.get(stack_identifier) outputs = [] outputs.append(validate_output(stack, 'random1', 30)) outputs.append(validate_output(stack, 'random2', 30)) self.assertEqual(outputs, self._stack_output(stack, 'all_values'))
[docs] def test_update_increase_decrease_count(self): # create stack with resource group count 2 env = {'resource_registry': {'My::RandomString': 'OS::Heat::RandomString'}} create_template = self.template.replace("count: 0", "count: 2") stack_identifier = self.stack_create(template=create_template, environment=env) self.assertEqual({u'random_group': u'OS::Heat::ResourceGroup'}, self.list_resources(stack_identifier)) # verify that the resource group has 2 resources self._validate_resources(stack_identifier, 2) # increase the resource group count to 5 update_template = self.template.replace("count: 0", "count: 5") self.update_stack(stack_identifier, update_template, environment=env) # verify that the resource group has 5 resources self._validate_resources(stack_identifier, 5) # decrease the resource group count to 3 update_template = self.template.replace("count: 0", "count: 3") self.update_stack(stack_identifier, update_template, environment=env) # verify that the resource group has 3 resources self._validate_resources(stack_identifier, 3)
[docs] def test_update_removal_policies(self): rp_template = ''' heat_template_version: 2014-10-16 resources: random_group: type: OS::Heat::ResourceGroup properties: count: 5 removal_policies: [] resource_def: type: OS::Heat::RandomString ''' # create stack with resource group, initial count 5 stack_identifier = self.stack_create(template=rp_template) self.assertEqual({u'random_group': u'OS::Heat::ResourceGroup'}, self.list_resources(stack_identifier)) group_resources = self.list_group_resources(stack_identifier, 'random_group') expected_resources = {u'0': u'OS::Heat::RandomString', u'1': u'OS::Heat::RandomString', u'2': u'OS::Heat::RandomString', u'3': u'OS::Heat::RandomString', u'4': u'OS::Heat::RandomString'} self.assertEqual(expected_resources, group_resources) # Remove three, specifying the middle resources to be removed update_template = rp_template.replace( 'removal_policies: []', 'removal_policies: [{resource_list: [\'1\', \'2\', \'3\']}]') self.update_stack(stack_identifier, update_template) group_resources = self.list_group_resources(stack_identifier, 'random_group') expected_resources = {u'0': u'OS::Heat::RandomString', u'4': u'OS::Heat::RandomString', u'5': u'OS::Heat::RandomString', u'6': u'OS::Heat::RandomString', u'7': u'OS::Heat::RandomString'} self.assertEqual(expected_resources, group_resources)
[docs] def test_props_update(self): """Test update of resource_def properties behaves as expected.""" env = {'resource_registry': {'My::RandomString': 'OS::Heat::RandomString'}} template_one = self.template.replace("count: 0", "count: 1") stack_identifier = self.stack_create(template=template_one, environment=env) self.assertEqual({u'random_group': u'OS::Heat::ResourceGroup'}, self.list_resources(stack_identifier)) initial_nested_ident = self.group_nested_identifier(stack_identifier, 'random_group') self.assertEqual({'0': 'My::RandomString'}, self.list_resources(initial_nested_ident)) # get the resource id res = self.client.resources.get(initial_nested_ident, '0') initial_res_id = res.physical_resource_id # change the salt (this should replace the RandomString but # not the nested stack or resource group. template_salt = template_one.replace("salt: initial", "salt: more") self.update_stack(stack_identifier, template_salt, environment=env) updated_nested_ident = self.group_nested_identifier(stack_identifier, 'random_group') self.assertEqual(initial_nested_ident, updated_nested_ident) # compare the resource id, we expect a change. res = self.client.resources.get(updated_nested_ident, '0') updated_res_id = res.physical_resource_id self.assertNotEqual(initial_res_id, updated_res_id)
[docs] def test_update_nochange(self): """Test update with no properties change.""" env = {'resource_registry': {'My::RandomString': 'OS::Heat::RandomString'}} template_one = self.template.replace("count: 0", "count: 2") stack_identifier = self.stack_create(template=template_one, environment=env) self.assertEqual({u'random_group': u'OS::Heat::ResourceGroup'}, self.list_resources(stack_identifier)) initial_nested_ident = self.group_nested_identifier(stack_identifier, 'random_group') self.assertEqual({'0': 'My::RandomString', '1': 'My::RandomString'}, self.list_resources(initial_nested_ident)) # get the output stack0 = self.client.stacks.get(stack_identifier) initial_rand = self._stack_output(stack0, 'random1') template_copy = copy.deepcopy(template_one) self.update_stack(stack_identifier, template_copy, environment=env) updated_nested_ident = self.group_nested_identifier(stack_identifier, 'random_group') self.assertEqual(initial_nested_ident, updated_nested_ident) # compare the random number, we expect no change. stack1 = self.client.stacks.get(stack_identifier) updated_rand = self._stack_output(stack1, 'random1') self.assertEqual(initial_rand, updated_rand)
[docs] def test_update_nochange_resource_needs_update(self): """Test update when the resource definition has changed. Test the scenario when the ResourceGroup update happens without any changed properties, this can happen if the definition of a contained provider resource changes (files map changes), then the group and underlying nested stack should end up updated. """ random_templ1 = ''' heat_template_version: 2013-05-23 parameters: length: type: string default: not-used salt: type: string default: not-used resources: random1: type: OS::Heat::RandomString properties: salt: initial outputs: value: value: {get_attr: [random1, value]} ''' files1 = {'my_random.yaml': random_templ1} random_templ2 = random_templ1.replace('salt: initial', 'salt: more') files2 = {'my_random.yaml': random_templ2} env = {'resource_registry': {'My::RandomString': 'my_random.yaml'}} template_one = self.template.replace("count: 0", "count: 2") stack_identifier = self.stack_create(template=template_one, environment=env, files=files1) self.assertEqual({u'random_group': u'OS::Heat::ResourceGroup'}, self.list_resources(stack_identifier)) self.assertEqual(files1, self.client.stacks.files(stack_identifier)) initial_nested_ident = self.group_nested_identifier(stack_identifier, 'random_group') self.assertEqual({'0': 'My::RandomString', '1': 'My::RandomString'}, self.list_resources(initial_nested_ident)) # get the output stack0 = self.client.stacks.get(stack_identifier) initial_rand = self._stack_output(stack0, 'random1') # change the environment so we use a different TemplateResource. # note "files2". self.update_stack(stack_identifier, template_one, environment=env, files=files2) updated_nested_ident = self.group_nested_identifier(stack_identifier, 'random_group') self.assertEqual(initial_nested_ident, updated_nested_ident) self.assertEqual(files2, self.client.stacks.files(stack_identifier)) # compare the output, we expect a change. stack1 = self.client.stacks.get(stack_identifier) updated_rand = self._stack_output(stack1, 'random1') self.assertNotEqual(initial_rand, updated_rand)
[docs]class ResourceGroupTestNullParams(functional_base.FunctionalTestsBase): template = ''' heat_template_version: 2013-05-23 parameters: param: type: empty resources: random_group: type: OS::Heat::ResourceGroup properties: count: 1 resource_def: type: My::RandomString properties: param: {get_param: param} outputs: val: value: {get_attr: [random_group, val]} ''' nested_template_file = ''' heat_template_version: 2013-05-23 parameters: param: type: empty outputs: val: value: {get_param: param} ''' scenarios = [ ('string_empty', dict( param='', p_type='string', )), ('boolean_false', dict( param=False, p_type='boolean', )), ('number_zero', dict( param=0, p_type='number', )), ('comma_delimited_list', dict( param=[], p_type='comma_delimited_list', )), ('json_empty', dict( param={}, p_type='json', )), ]
[docs] def test_create_pass_zero_parameter(self): templ = self.template.replace('type: empty', 'type: %s' % self.p_type) n_t_f = self.nested_template_file.replace('type: empty', 'type: %s' % self.p_type) files = {'provider.yaml': n_t_f} env = {'resource_registry': {'My::RandomString': 'provider.yaml'}} stack_identifier = self.stack_create( template=templ, files=files, environment=env, parameters={'param': self.param} ) stack = self.client.stacks.get(stack_identifier) self.assertEqual(self.param, self._stack_output(stack, 'val')[0])
[docs]class ResourceGroupAdoptTest(functional_base.FunctionalTestsBase): """Prove that we can do resource group adopt.""" main_template = ''' heat_template_version: "2013-05-23" resources: group1: type: OS::Heat::ResourceGroup properties: count: 2 resource_def: type: OS::Heat::RandomString outputs: test0: value: {get_attr: [group1, resource.0.value]} test1: value: {get_attr: [group1, resource.1.value]} ''' def _yaml_to_json(self, yaml_templ): return yaml.safe_load(yaml_templ)
[docs] def test_adopt(self): data = { "resources": { "group1": { "status": "COMPLETE", "name": "group1", "resource_data": {}, "metadata": {}, "resource_id": "test-group1-id", "action": "CREATE", "type": "OS::Heat::ResourceGroup", "resources": { "0": { "status": "COMPLETE", "name": "0", "resource_data": {"value": "goopie"}, "resource_id": "ID-0", "action": "CREATE", "type": "OS::Heat::RandomString", "metadata": {} }, "1": { "status": "COMPLETE", "name": "1", "resource_data": {"value": "different"}, "resource_id": "ID-1", "action": "CREATE", "type": "OS::Heat::RandomString", "metadata": {} } } } }, "environment": {"parameters": {}}, "template": yaml.safe_load(self.main_template) } stack_identifier = self.stack_adopt( adopt_data=json.dumps(data)) self.assert_resource_is_a_stack(stack_identifier, 'group1') stack = self.client.stacks.get(stack_identifier) self.assertEqual('goopie', self._stack_output(stack, 'test0')) self.assertEqual('different', self._stack_output(stack, 'test1'))
[docs]class ResourceGroupErrorResourceTest(functional_base.FunctionalTestsBase): template = ''' heat_template_version: "2013-05-23" resources: group1: type: OS::Heat::ResourceGroup properties: count: 2 resource_def: type: fail.yaml ''' nested_templ = ''' heat_template_version: "2013-05-23" resources: oops: type: OS::Heat::TestResource properties: fail: true wait_secs: 2 '''
[docs] def test_fail(self): stack_identifier = self.stack_create( template=self.template, files={'fail.yaml': self.nested_templ}, expected_status='CREATE_FAILED', enable_cleanup=False) stack = self.client.stacks.get(stack_identifier) self.assertEqual('CREATE_FAILED', stack.stack_status) self.client.stacks.delete(stack_identifier) self._wait_for_stack_status( stack_identifier, 'DELETE_COMPLETE', success_on_not_found=True)
[docs]class ResourceGroupUpdatePolicyTest(functional_base.FunctionalTestsBase): template = ''' heat_template_version: '2015-04-30' resources: random_group: type: OS::Heat::ResourceGroup update_policy: rolling_update: min_in_service: 1 max_batch_size: 2 pause_time: 1 properties: count: 10 resource_def: type: OS::Heat::TestResource properties: value: initial update_replace: False '''
[docs] def update_resource_group(self, update_template, updated, created, deleted): stack_identifier = self.stack_create(template=self.template) group_resources = self.list_group_resources(stack_identifier, 'random_group', minimal=False) init_names = [res.physical_resource_id for res in group_resources] self.update_stack(stack_identifier, update_template) group_resources = self.list_group_resources(stack_identifier, 'random_group', minimal=False) updt_names = [res.physical_resource_id for res in group_resources] matched_names = set(updt_names) & set(init_names) self.assertEqual(updated, len(matched_names)) self.assertEqual(created, len(set(updt_names) - set(init_names))) self.assertEqual(deleted, len(set(init_names) - set(updt_names)))
[docs] def test_resource_group_update(self): """Test rolling update with no conflict. Simple rolling update with no conflict in batch size and minimum instances in service. """ updt_template = yaml.safe_load(copy.deepcopy(self.template)) grp = updt_template['resources']['random_group'] policy = grp['update_policy']['rolling_update'] policy['min_in_service'] = '1' policy['max_batch_size'] = '3' res_def = grp['properties']['resource_def'] res_def['properties']['value'] = 'updated' self.update_resource_group(updt_template, updated=10, created=0, deleted=0)
[docs] def test_resource_group_update_replace(self): """Test rolling update(replace)with no conflict. Simple rolling update replace with no conflict in batch size and minimum instances in service. """ updt_template = yaml.safe_load(copy.deepcopy(self.template)) grp = updt_template['resources']['random_group'] policy = grp['update_policy']['rolling_update'] policy['min_in_service'] = '1' policy['max_batch_size'] = '3' res_def = grp['properties']['resource_def'] res_def['properties']['value'] = 'updated' res_def['properties']['update_replace'] = True self.update_resource_group(updt_template, updated=0, created=10, deleted=10)
[docs] def test_resource_group_update_scaledown(self): """Test rolling update with scaledown. Simple rolling update with reduced size. """ updt_template = yaml.safe_load(copy.deepcopy(self.template)) grp = updt_template['resources']['random_group'] policy = grp['update_policy']['rolling_update'] policy['min_in_service'] = '1' policy['max_batch_size'] = '3' grp['properties']['count'] = 6 res_def = grp['properties']['resource_def'] res_def['properties']['value'] = 'updated' self.update_resource_group(updt_template, updated=6, created=0, deleted=4)
[docs] def test_resource_group_update_scaleup(self): """Test rolling update with scaleup. Simple rolling update with increased size. """ updt_template = yaml.safe_load(copy.deepcopy(self.template)) grp = updt_template['resources']['random_group'] policy = grp['update_policy']['rolling_update'] policy['min_in_service'] = '1' policy['max_batch_size'] = '3' grp['properties']['count'] = 12 res_def = grp['properties']['resource_def'] res_def['properties']['value'] = 'updated' self.update_resource_group(updt_template, updated=10, created=2, deleted=0)
[docs] def test_resource_group_update_adjusted(self): """Test rolling update with enough available resources Update with capacity adjustment with enough resources. """ updt_template = yaml.safe_load(copy.deepcopy(self.template)) grp = updt_template['resources']['random_group'] policy = grp['update_policy']['rolling_update'] policy['min_in_service'] = '8' policy['max_batch_size'] = '4' grp['properties']['count'] = 6 res_def = grp['properties']['resource_def'] res_def['properties']['value'] = 'updated' self.update_resource_group(updt_template, updated=6, created=0, deleted=4)
[docs] def test_resource_group_update_with_adjusted_capacity(self): """Test rolling update with capacity adjustment. Rolling update with capacity adjustment due to conflict in batch size and minimum instances in service. """ updt_template = yaml.safe_load(copy.deepcopy(self.template)) grp = updt_template['resources']['random_group'] policy = grp['update_policy']['rolling_update'] policy['min_in_service'] = '8' policy['max_batch_size'] = '4' res_def = grp['properties']['resource_def'] res_def['properties']['value'] = 'updated' self.update_resource_group(updt_template, updated=10, created=0, deleted=0)
[docs] def test_resource_group_update_huge_batch_size(self): """Test rolling update with huge batch size. Rolling Update with a huge batch size(more than current size). """ updt_template = yaml.safe_load(copy.deepcopy(self.template)) grp = updt_template['resources']['random_group'] policy = grp['update_policy']['rolling_update'] policy['min_in_service'] = '0' policy['max_batch_size'] = '20' res_def = grp['properties']['resource_def'] res_def['properties']['value'] = 'updated' self.update_resource_group(updt_template, updated=10, created=0, deleted=0)
[docs] def test_resource_group_update_huge_min_in_service(self): """Test rolling update with huge minimum capacity. Rolling Update with a huge number of minimum instances in service. """ updt_template = yaml.safe_load(copy.deepcopy(self.template)) grp = updt_template['resources']['random_group'] policy = grp['update_policy']['rolling_update'] policy['min_in_service'] = '20' policy['max_batch_size'] = '1' res_def = grp['properties']['resource_def'] res_def['properties']['value'] = 'updated' self.update_resource_group(updt_template, updated=10, created=0, deleted=0)
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