How to use load_template_raw method in localstack
Best Python code snippet using localstack_python
test_cloudformation_changesets.py
Source:test_cloudformation_changesets.py 
...7from localstack.utils.common import short_uid8from localstack.utils.generic.wait_utils import wait_until9from localstack.utils.sync import poll_condition10# TODO: refactor file and remove this compatibility fn11def load_template_raw(file_name: str):12 return load_template_file(os.path.join(os.path.dirname(__file__), "../templates", file_name))13def test_create_change_set_without_parameters(14 cfn_client, sns_client, cleanup_stacks, cleanup_changesets, is_change_set_created_and_available15):16 stack_name = f"stack-{short_uid()}"17 change_set_name = f"change-set-{short_uid()}"18 response = cfn_client.create_change_set(19 StackName=stack_name,20 ChangeSetName=change_set_name,21 TemplateBody=load_template_raw("sns_topic_simple.yaml"),22 ChangeSetType="CREATE",23 )24 change_set_id = response["Id"]25 stack_id = response["StackId"]26 assert change_set_id27 assert stack_id28 try:29 # make sure the change set wasn't executed (which would create a topic)30 topics = sns_client.list_topics()31 topic_arns = list(map(lambda x: x["TopicArn"], topics["Topics"]))32 assert not any("sns-topic-simple" in arn for arn in topic_arns)33 # stack is initially in REVIEW_IN_PROGRESS state. only after executing the change_set will it change its status34 stack_response = cfn_client.describe_stacks(StackName=stack_id)35 assert stack_response["Stacks"][0]["StackStatus"] == "REVIEW_IN_PROGRESS"36 # Change set can now either be already created/available or it is pending/unavailable37 wait_until(38 is_change_set_created_and_available(change_set_id), 2, 10, strategy="exponential"39 )40 describe_response = cfn_client.describe_change_set(ChangeSetName=change_set_id)41 assert describe_response["ChangeSetName"] == change_set_name42 assert describe_response["ChangeSetId"] == change_set_id43 assert describe_response["StackId"] == stack_id44 assert describe_response["StackName"] == stack_name45 assert describe_response["ExecutionStatus"] == "AVAILABLE"46 assert describe_response["Status"] == "CREATE_COMPLETE"47 changes = describe_response["Changes"]48 assert len(changes) == 149 assert changes[0]["Type"] == "Resource"50 assert changes[0]["ResourceChange"]["Action"] == "Add"51 assert changes[0]["ResourceChange"]["ResourceType"] == "AWS::SNS::Topic"52 assert changes[0]["ResourceChange"]["LogicalResourceId"] == "topic123"53 finally:54 cleanup_stacks([stack_id])55 cleanup_changesets([change_set_id])56# TODO: implement57@pytest.mark.xfail(condition=not is_aws_cloud(), reason="Not properly implemented")58def test_create_change_set_update_without_parameters(59 cfn_client,60 sns_client,61 cleanup_stacks,62 cleanup_changesets,63 is_change_set_created_and_available,64 is_change_set_finished,65 snapshot,66):67 snapshot.add_transformer(snapshot.transform.cloudformation_api())68 """after creating a stack via a CREATE change set we send an UPDATE change set changing the SNS topic name"""69 stack_name = f"stack-{short_uid()}"70 change_set_name = f"change-set-{short_uid()}"71 change_set_name2 = f"change-set-{short_uid()}"72 response = cfn_client.create_change_set(73 StackName=stack_name,74 ChangeSetName=change_set_name,75 TemplateBody=load_template_raw("sns_topic_simple.yaml"),76 ChangeSetType="CREATE",77 )78 snapshot.match("create_change_set", response)79 change_set_id = response["Id"]80 stack_id = response["StackId"]81 assert change_set_id82 assert stack_id83 try:84 # Change set can now either be already created/available or it is pending/unavailable85 wait_until(is_change_set_created_and_available(change_set_id))86 cfn_client.execute_change_set(ChangeSetName=change_set_id)87 wait_until(is_change_set_finished(change_set_id))88 template = load_template_raw("sns_topic_simple.yaml")89 update_response = cfn_client.create_change_set(90 StackName=stack_name,91 ChangeSetName=change_set_name2,92 TemplateBody=template.replace("sns-topic-simple", "sns-topic-simple-2"),93 ChangeSetType="UPDATE",94 )95 assert wait_until(is_change_set_created_and_available(update_response["Id"]))96 snapshot.match(97 "describe_change_set",98 cfn_client.describe_change_set(ChangeSetName=update_response["Id"]),99 )100 snapshot.match("list_change_set", cfn_client.list_change_sets(StackName=stack_name))101 describe_response = cfn_client.describe_change_set(ChangeSetName=update_response["Id"])102 changes = describe_response["Changes"]103 assert len(changes) == 1104 assert changes[0]["Type"] == "Resource"105 change = changes[0]["ResourceChange"]106 assert change["Action"] == "Modify"107 assert change["ResourceType"] == "AWS::SNS::Topic"108 assert change["LogicalResourceId"] == "topic123"109 assert "sns-topic-simple" in change["PhysicalResourceId"]110 assert change["Replacement"] == "True"111 assert "Properties" in change["Scope"]112 assert len(change["Details"]) == 1113 assert change["Details"][0]["Target"]["Name"] == "TopicName"114 assert change["Details"][0]["Target"]["RequiresRecreation"] == "Always"115 finally:116 cleanup_changesets(changesets=[change_set_id])117 cleanup_stacks(stacks=[stack_id])118@pytest.mark.skip(reason="TODO")119def test_create_change_set_with_template_url(cfn_client):120 pass121@pytest.mark.xfail(reason="change set type not implemented")122def test_create_change_set_create_existing(123 cfn_client, is_stack_created, cleanup_changesets, cleanup_stacks124):125 """tries to create an already existing stack"""126 stack_name = f"stack-{short_uid()}"127 change_set_name = f"change-set-{short_uid()}"128 response = cfn_client.create_change_set(129 StackName=stack_name,130 ChangeSetName=change_set_name,131 TemplateBody=load_template_raw("sns_topic_simple.yaml"),132 ChangeSetType="CREATE",133 )134 change_set_id = response["Id"]135 stack_id = response["StackId"]136 assert change_set_id137 assert stack_id138 try:139 cfn_client.execute_change_set(ChangeSetName=change_set_id)140 wait_until(is_stack_created(stack_id))141 with pytest.raises(Exception) as ex:142 change_set_name2 = f"change-set-{short_uid()}"143 cfn_client.create_change_set(144 StackName=stack_name,145 ChangeSetName=change_set_name2,146 TemplateBody=load_template_raw("sns_topic_simple.yaml"),147 ChangeSetType="CREATE",148 )149 assert ex is not None150 finally:151 cleanup_changesets([change_set_id])152 cleanup_stacks([stack_id])153def test_create_change_set_update_nonexisting(cfn_client):154 stack_name = f"stack-{short_uid()}"155 change_set_name = f"change-set-{short_uid()}"156 with pytest.raises(Exception) as ex:157 response = cfn_client.create_change_set(158 StackName=stack_name,159 ChangeSetName=change_set_name,160 TemplateBody=load_template_raw("sns_topic_simple.yaml"),161 ChangeSetType="UPDATE",162 )163 change_set_id = response["Id"]164 stack_id = response["StackId"]165 assert change_set_id166 assert stack_id167 err = ex.value.response["Error"]168 assert err["Code"] == "ValidationError"169 assert "does not exist" in err["Message"]170@pytest.mark.skip(reason="TODO")171def test_create_change_set_import(cfn_client):172 """test importing existing resources into a stack via the change set"""173 pass # TODO174def test_create_change_set_invalid_params(cfn_client):175 stack_name = f"stack-{short_uid()}"176 change_set_name = f"change-set-{short_uid()}"177 with pytest.raises(ClientError) as ex:178 cfn_client.create_change_set(179 StackName=stack_name,180 ChangeSetName=change_set_name,181 TemplateBody=load_template_raw("sns_topic_simple.yaml"),182 ChangeSetType="INVALID",183 )184 err = ex.value.response["Error"]185 assert err["Code"] == "ValidationError"186def test_create_change_set_missing_stackname(cfn_client):187 """in this case boto doesn't even let us send the request"""188 change_set_name = f"change-set-{short_uid()}"189 with pytest.raises(Exception):190 cfn_client.create_change_set(191 StackName="",192 ChangeSetName=change_set_name,193 TemplateBody=load_template_raw("sns_topic_simple.yaml"),194 ChangeSetType="CREATE",195 )196def test_create_change_set_with_ssm_parameter(197 cfn_client,198 sns_client,199 ssm_client,200 cleanup_changesets,201 cleanup_stacks,202 is_change_set_created_and_available,203 is_stack_created,204):205 """References a simple stack parameter"""206 stack_name = f"stack-{short_uid()}"207 change_set_name = f"change-set-{short_uid()}"208 parameter_name = f"ls-param-{short_uid()}"209 parameter_value = f"ls-param-value-{short_uid()}"210 sns_topic_logical_id = "topic123"211 parameter_logical_id = "parameter123"212 ssm_client.put_parameter(Name=parameter_name, Value=parameter_value, Type="String")213 template = load_template_raw("dynamicparameter_ssm_string.yaml")214 template_rendered = jinja2.Template(template).render(parameter_name=parameter_name)215 response = cfn_client.create_change_set(216 StackName=stack_name,217 ChangeSetName=change_set_name,218 TemplateBody=template_rendered,219 ChangeSetType="CREATE",220 )221 change_set_id = response["Id"]222 stack_id = response["StackId"]223 assert change_set_id224 assert stack_id225 try:226 # make sure the change set wasn't executed (which would create a new topic)227 list_topics_response = sns_client.list_topics()228 matching_topics = [229 t for t in list_topics_response["Topics"] if parameter_value in t["TopicArn"]230 ]231 assert matching_topics == []232 # stack is initially in REVIEW_IN_PROGRESS state. only after executing the change_set will it change its status233 stack_response = cfn_client.describe_stacks(StackName=stack_id)234 assert stack_response["Stacks"][0]["StackStatus"] == "REVIEW_IN_PROGRESS"235 # Change set can now either be already created/available or it is pending/unavailable236 wait_until(is_change_set_created_and_available(change_set_id))237 describe_response = cfn_client.describe_change_set(ChangeSetName=change_set_id)238 assert describe_response["ChangeSetName"] == change_set_name239 assert describe_response["ChangeSetId"] == change_set_id240 assert describe_response["StackId"] == stack_id241 assert describe_response["StackName"] == stack_name242 assert describe_response["ExecutionStatus"] == "AVAILABLE"243 assert describe_response["Status"] == "CREATE_COMPLETE"244 changes = describe_response["Changes"]245 assert len(changes) == 1246 assert changes[0]["Type"] == "Resource"247 assert changes[0]["ResourceChange"]["Action"] == "Add"248 assert changes[0]["ResourceChange"]["ResourceType"] == "AWS::SNS::Topic"249 assert changes[0]["ResourceChange"]["LogicalResourceId"] == sns_topic_logical_id250 parameters = describe_response["Parameters"]251 assert len(parameters) == 1252 assert parameters[0]["ParameterKey"] == parameter_logical_id253 assert parameters[0]["ParameterValue"] == parameter_name254 assert parameters[0]["ResolvedValue"] == parameter_value # the important part255 cfn_client.execute_change_set(ChangeSetName=change_set_id)256 wait_until(is_stack_created(stack_id))257 topics = sns_client.list_topics()258 topic_arns = list(map(lambda x: x["TopicArn"], topics["Topics"]))259 assert any((parameter_value in t) for t in topic_arns)260 finally:261 cleanup_changesets([change_set_id])262 cleanup_stacks([stack_id])263def test_describe_change_set_nonexisting(cfn_client):264 with pytest.raises(Exception) as ex:265 cfn_client.describe_change_set(ChangeSetName="DoesNotExist")266 assert ex.value.response["Error"]["Code"] == "ResourceNotFoundException"267def test_execute_change_set(268 cfn_client,269 sns_client,270 is_change_set_finished,271 is_change_set_created_and_available,272 is_change_set_failed_and_unavailable,273 cleanup_changesets,274 cleanup_stacks,275):276 """check if executing a change set succeeds in creating/modifying the resources in changed"""277 stack_name = f"stack-{short_uid()}"278 change_set_name = f"change-set-{short_uid()}"279 response = cfn_client.create_change_set(280 StackName=stack_name,281 ChangeSetName=change_set_name,282 TemplateBody=load_template_raw("sns_topic_simple.yaml"),283 ChangeSetType="CREATE",284 )285 change_set_id = response["Id"]286 stack_id = response["StackId"]287 assert change_set_id288 assert stack_id289 try:290 assert wait_until(is_change_set_created_and_available(change_set_id=change_set_id))291 cfn_client.execute_change_set(ChangeSetName=change_set_id)292 assert wait_until(is_change_set_finished(change_set_id))293 # check if stack resource was created294 topics = sns_client.list_topics()295 topic_arns = list(map(lambda x: x["TopicArn"], topics["Topics"]))296 assert any(("sns-topic-simple" in t) for t in topic_arns)297 # new change set name298 change_set_name = f"change-set-{short_uid()}"299 # check if update with identical stack leads to correct behavior300 response = cfn_client.create_change_set(301 StackName=stack_name,302 ChangeSetName=change_set_name,303 TemplateBody=load_template_raw("sns_topic_simple.yaml"),304 ChangeSetType="UPDATE",305 )306 change_set_id = response["Id"]307 stack_id = response["StackId"]308 assert wait_until(is_change_set_failed_and_unavailable(change_set_id=change_set_id))309 describe_failed_change_set_result = cfn_client.describe_change_set(310 ChangeSetName=change_set_id311 )312 assert describe_failed_change_set_result["ChangeSetName"] == change_set_name313 assert (314 describe_failed_change_set_result["StatusReason"]315 == "The submitted information didn't contain changes. Submit different information to create a change set."316 )317 with pytest.raises(ClientError) as e:318 cfn_client.execute_change_set(ChangeSetName=change_set_id)319 e.match("InvalidChangeSetStatus")320 e.match(321 rf"ChangeSet \[{change_set_id}\] cannot be executed in its current status of \[FAILED\]"322 )323 finally:324 cleanup_changesets([change_set_id])325 cleanup_stacks([stack_id])326def test_delete_change_set_nonexisting(cfn_client):327 with pytest.raises(Exception) as ex:328 cfn_client.delete_change_set(ChangeSetName="DoesNotExist")329 assert ex.value.response["Error"]["Code"] == "ResourceNotFoundException"330@pytest.mark.aws_validated331def test_create_and_then_remove_non_supported_resource_change_set(deploy_cfn_template):332 # first deploy cfn with a CodeArtifact resource that is not actually supported333 stack = deploy_cfn_template(334 template=load_template_raw("code_artifact_template.yaml"),335 parameters={"CADomainName": f"domainname-{short_uid()}"},336 )337 # removal of CodeArtifact should not throw exception338 deploy_cfn_template(339 is_update=True,340 template=load_template_raw("code_artifact_remove_template.yaml"),341 stack_name=stack.stack_name,342 )343@pytest.mark.aws_validated344def test_create_and_then_remove_supported_resource_change_set(deploy_cfn_template, s3_client):345 first_bucket_name = f"test-bucket-1-{short_uid()}"346 second_bucket_name = f"test-bucket-2-{short_uid()}"347 stack = deploy_cfn_template(348 template=load_template_raw("for_removal_setup.yaml"),349 template_mapping={350 "first_bucket_name": first_bucket_name,351 "second_bucket_name": second_bucket_name,352 },353 )354 available_buckets = s3_client.list_buckets()355 bucket_names = [bucket["Name"] for bucket in available_buckets["Buckets"]]356 assert first_bucket_name in bucket_names357 assert second_bucket_name in bucket_names358 deploy_cfn_template(359 is_update=True,360 template=load_template_raw("for_removal_remove.yaml"),361 template_mapping={"first_bucket_name": first_bucket_name},362 stack_name=stack.stack_name,363 )364 def assert_bucket_gone():365 available_buckets = s3_client.list_buckets()366 bucket_names = [bucket["Name"] for bucket in available_buckets["Buckets"]]367 return first_bucket_name in bucket_names and second_bucket_name not in bucket_names...
test_cloudformation_stacks.py
Source:test_cloudformation_stacks.py
...5from localstack.testing.aws.cloudformation_utils import load_template_file6from localstack.utils.common import short_uid7from localstack.utils.generic.wait_utils import wait_until8# TODO: refactor file and remove this compatibility fn9def load_template_raw(file_name: str):10 return load_template_file(os.path.join(os.path.dirname(__file__), "../templates", file_name))11def test_create_stack_with_ssm_parameters(12 cfn_client, ssm_client, sns_client, cleanup_stacks, is_stack_created13):14 stack_name = f"stack-{short_uid()}"15 parameter_name = f"ls-param-{short_uid()}"16 parameter_value = f"ls-param-value-{short_uid()}"17 parameter_logical_id = "parameter123"18 ssm_client.put_parameter(Name=parameter_name, Value=parameter_value, Type="String")19 template = load_template_raw("dynamicparameter_ssm_string.yaml")20 template_rendered = jinja2.Template(template).render(parameter_name=parameter_name)21 response = cfn_client.create_stack(22 StackName=stack_name,23 TemplateBody=template_rendered,24 )25 stack_id = response["StackId"]26 assert stack_id27 try:28 wait_until(is_stack_created(stack_id))29 created_stack = cfn_client.describe_stacks(StackName=stack_name)["Stacks"][0]30 assert created_stack is not None31 assert created_stack["Parameters"][0]["ParameterKey"] == parameter_logical_id32 assert created_stack["Parameters"][0]["ParameterValue"] == parameter_name33 assert created_stack["Parameters"][0]["ResolvedValue"] == parameter_value34 topics = sns_client.list_topics()35 topic_arns = [t["TopicArn"] for t in topics["Topics"]]36 assert any(parameter_value in t for t in topic_arns)37 finally:38 cleanup_stacks([stack_id])39 # TODO: cleanup parameter40def test_list_stack_resources_for_removed_resource(41 cfn_client, is_stack_created, is_change_set_finished42):43 event_bus_name = f"bus-{short_uid()}"44 template = jinja2.Template(load_template_raw("eventbridge_policy.yaml")).render(45 event_bus_name=event_bus_name46 )47 stack_name = f"stack-{short_uid()}"48 response = cfn_client.create_stack(StackName=stack_name, TemplateBody=template)49 stack_id = response["StackId"]50 assert stack_id51 wait_until(is_stack_created(stack_id))52 # get list of stack resources53 resources = cfn_client.list_stack_resources(StackName=stack_name)["StackResourceSummaries"]54 resources_before = len(resources)55 assert resources_before == 356 statuses = set([res["ResourceStatus"] for res in resources])57 assert statuses == {"CREATE_COMPLETE", "UPDATE_COMPLETE"}58 # remove one resource from the template, then update stack (via change set)59 template_dict = yaml.load(template)60 template_dict["Resources"].pop("eventPolicy2")61 template2 = yaml.dump(template_dict)62 response = cfn_client.create_change_set(63 StackName=stack_name, ChangeSetName="cs1", TemplateBody=template264 )65 change_set_id = response["Id"]66 cfn_client.execute_change_set(ChangeSetName=change_set_id)67 wait_until(is_change_set_finished(change_set_id))68 # get list of stack resources, again - make sure that deleted resource is not contained in result69 resources = cfn_client.list_stack_resources(StackName=stack_name)["StackResourceSummaries"]70 assert len(resources) == resources_before - 171 statuses = set([res["ResourceStatus"] for res in resources])72 assert statuses == {"CREATE_COMPLETE", "UPDATE_COMPLETE"}73@pytest.mark.xfail(reason="outputs don't behave well in combination with conditions")74@pytest.mark.aws_validated75def test_parameter_usepreviousvalue_behavior(cfn_client, cleanups):76 stack_name = f"stack-{short_uid()}"77 cleanups.append(lambda _: cfn_client.delete_stack(StackName=stack_name))78 # 1. create with overridden default value. Due to the condition this should neither create the optional topic, nor the corresponding output79 create_response = cfn_client.create_stack(80 StackName=stack_name,81 TemplateBody=load_template_raw("cfn_reuse_param.yaml"),82 Parameters=[{"ParameterKey": "DeployParam", "ParameterValue": "no"}],83 )84 stack_id = create_response["StackId"]85 def wait_stack_done():86 return cfn_client.describe_stacks(StackName=stack_id)["Stacks"][0]["StackStatus"] in [87 "CREATE_COMPLETE",88 "UPDATE_COMPLETE",89 ]90 assert wait_until(wait_stack_done)91 stack_describe_response = cfn_client.describe_stacks(StackName=stack_id)["Stacks"][0]92 assert len(stack_describe_response["Outputs"]) == 193 # 2. update using UsePreviousValue. DeployParam should still be "no", still overriding the default and the only change should be the changed tag on the required topic94 cfn_client.update_stack(95 StackName=stack_name,96 TemplateBody=load_template_raw("cfn_reuse_param.yaml"),97 Parameters=[98 {"ParameterKey": "CustomTag", "ParameterValue": "trigger-change"},99 {"ParameterKey": "DeployParam", "UsePreviousValue": True},100 ],101 )102 assert wait_until(wait_stack_done)103 stack_describe_response = cfn_client.describe_stacks(StackName=stack_id)["Stacks"][0]104 assert len(stack_describe_response["Outputs"]) == 1105 # 3. update with setting the deployparam to "yes" not. The condition will evaluate to true and thus create the topic + output106 # note: for an even trickier challenge for the cloudformation engine, remove the second parameter key. Behavior should stay the same.107 cfn_client.update_stack(108 StackName=stack_name,109 TemplateBody=load_template_raw("cfn_reuse_param.yaml"),110 Parameters=[111 {"ParameterKey": "CustomTag", "ParameterValue": "trigger-change-2"},112 {"ParameterKey": "DeployParam", "ParameterValue": "yes"},113 ],114 )115 assert wait_until(wait_stack_done)116 stack_describe_response = cfn_client.describe_stacks(StackName=stack_id)["Stacks"][0]...
entity.py
Source:entity.py
...4 def __init__(self, color):5 self.__color = options.color(color)6 def color(self):7 return self.__color8 def load_template_raw(self, name):9 with open('templates/{0}'.format(name), 'r') as file:10 return file.read()11 def load_template(self, name):12 return self.load_template_raw(name).replace('\n', '')13 def normalize_name(self, name):14 return re.sub('[^0-9a-z]+', '_', name.lower())15 def compact_string(self, s):...
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