How to use update_from_cloudformation_json method in localstack

Best Python code snippet using localstack_python

cloudformation_starter.py

Source:cloudformation_starter.py

...685        return S3_Bucket_get_cfn_attribute_orig(self, attribute_name)686    S3_Bucket_get_cfn_attribute_orig = s3_models.FakeBucket.get_cfn_attribute687    s3_models.FakeBucket.get_cfn_attribute = S3_Bucket_get_cfn_attribute688    @classmethod689    def Bucket_update_from_cloudformation_json(cls,690            original_resource, new_resource_name, cloudformation_json, region_name):691        if cloudformation_json.get('BucketName') in [None, original_resource.name]:692            # TODO: apply other resource updates693            cloudformation_json['BucketName'] = original_resource.name694            return original_resource695        return Bucket_update_from_cf_json_orig(original_resource, new_resource_name, cloudformation_json, region_name)696    Bucket_update_from_cf_json_orig = s3_models.FakeBucket.update_from_cloudformation_json697    s3_models.FakeBucket.update_from_cloudformation_json = Bucket_update_from_cloudformation_json698    # Patch SQS physical_resource_id(..) method in moto699    @property700    def SQS_Queue_physical_resource_id(self):701        result = SQS_Queue_physical_resource_id_orig.fget(self)702        if '://' not in result:703            # convert ID to queue URL704            self._physical_resource_id = (getattr(self, '_physical_resource_id', None) or705                aws_stack.get_sqs_queue_url(result))706            return self._physical_resource_id707        return result708    SQS_Queue_physical_resource_id_orig = sqs_models.Queue.physical_resource_id709    sqs_models.Queue.physical_resource_id = SQS_Queue_physical_resource_id710    # Patch LogGroup get_cfn_attribute(..) method in moto711    def LogGroup_get_cfn_attribute(self, attribute_name):712        try:713            return LogGroup_get_cfn_attribute_orig(self, attribute_name)714        except Exception:715            if attribute_name == 'Arn':716                return aws_stack.log_group_arn(self.name)717            raise718    LogGroup_get_cfn_attribute_orig = getattr(cw_models.LogGroup, 'get_cfn_attribute', None)719    cw_models.LogGroup.get_cfn_attribute = LogGroup_get_cfn_attribute720    # Patch Lambda get_cfn_attribute(..) method in moto721    def Lambda_Function_get_cfn_attribute(self, attribute_name):722        try:723            if attribute_name == 'Arn':724                return self.function_arn725            return Lambda_Function_get_cfn_attribute_orig(self, attribute_name)726        except Exception:727            if attribute_name in ('Name', 'FunctionName'):728                return self.function_name729            raise730    Lambda_Function_get_cfn_attribute_orig = lambda_models.LambdaFunction.get_cfn_attribute731    lambda_models.LambdaFunction.get_cfn_attribute = Lambda_Function_get_cfn_attribute732    # Patch DynamoDB get_cfn_attribute(..) method in moto733    def DynamoDB_Table_get_cfn_attribute(self, attribute_name):734        try:735            if attribute_name == 'StreamArn':736                streams = aws_stack.connect_to_service('dynamodbstreams').list_streams(TableName=self.name)['Streams']737                return streams[0]['StreamArn'] if streams else None738            return DynamoDB_Table_get_cfn_attribute_orig(self, attribute_name)739        except Exception as e:740            LOG.warning('Unable to get attribute "%s" from resource %s: %s' % (attribute_name, type(self), e))741            raise742    DynamoDB_Table_get_cfn_attribute_orig = dynamodb_models.Table.get_cfn_attribute743    dynamodb_models.Table.get_cfn_attribute = DynamoDB_Table_get_cfn_attribute744    # Patch IAM get_cfn_attribute(..) method in moto745    def IAM_Role_get_cfn_attribute(self, attribute_name):746        try:747            return IAM_Role_get_cfn_attribute_orig(self, attribute_name)748        except Exception:749            if attribute_name == 'Arn':750                return aws_stack.role_arn(self.name)751            raise752    IAM_Role_get_cfn_attribute_orig = iam_models.Role.get_cfn_attribute753    iam_models.Role.get_cfn_attribute = IAM_Role_get_cfn_attribute754    # Patch IAM Role model755    # https://github.com/localstack/localstack/issues/925756    @property757    def IAM_Role_physical_resource_id(self):758        return self.name759    iam_models.Role.physical_resource_id = IAM_Role_physical_resource_id760    # Patch SNS Topic get_cfn_attribute(..) method in moto761    def SNS_Topic_get_cfn_attribute(self, attribute_name):762        result = SNS_Topic_get_cfn_attribute_orig(self, attribute_name)763        if attribute_name.lower() in ['arn', 'topicarn']:764            result = aws_stack.fix_account_id_in_arns(result)765        return result766    SNS_Topic_get_cfn_attribute_orig = sns_models.Topic.get_cfn_attribute767    sns_models.Topic.get_cfn_attribute = SNS_Topic_get_cfn_attribute768    # Patch create_from_cloudformation_json(..)769    # #2568 Cloudformation create-stack for SNS with yaml causes TypeError770    SNS_Topic_create_from_cloudformation_json_orig = sns_models.Topic.create_from_cloudformation_json771    def SNS_Topic_create_from_cloudformation_json(resource_name, cloudformation_json, region_name):772        properties = cloudformation_json['Properties']773        if properties.get('Subscription'):774            properties['Subscription'] = [subscription for subscription in properties['Subscription'] if subscription]775        result = SNS_Topic_create_from_cloudformation_json_orig(resource_name, cloudformation_json, region_name)776        # remove topic from backend, as it will be created by our mechanism with additional attributes (like tags)777        sns_models.sns_backends[region_name].topics.pop(result.arn)778        return result779    sns_models.Topic.create_from_cloudformation_json = SNS_Topic_create_from_cloudformation_json780    # Patch ES get_cfn_attribute(..) method781    def ES_get_cfn_attribute(self, attribute_name):782        if attribute_name in ['Arn', 'DomainArn']:783            return aws_stack.es_domain_arn(self.params.get('DomainName'))784        if attribute_name == 'DomainEndpoint':785            if not hasattr(self, '_domain_endpoint'):786                es_details = aws_stack.connect_to_service('es').describe_elasticsearch_domain(787                    DomainName=self.params.get('DomainName'))788                self._domain_endpoint = es_details['DomainStatus']['Endpoint']789            return self._domain_endpoint790        raise UnformattedGetAttTemplateException()791    service_models.ElasticsearchDomain.get_cfn_attribute = ES_get_cfn_attribute792    # Patch Firehose get_cfn_attribute(..) method793    def Firehose_get_cfn_attribute(self, attribute_name):794        if attribute_name == 'Arn':795            return aws_stack.firehose_stream_arn(self.params.get('DeliveryStreamName'))796        raise UnformattedGetAttTemplateException()797    service_models.FirehoseDeliveryStream.get_cfn_attribute = Firehose_get_cfn_attribute798    # Patch LambdaFunction create_from_cloudformation_json(..) method in moto799    @classmethod800    def Lambda_create_from_cloudformation_json(cls, resource_name, cloudformation_json, region_name):801        resource_name = cloudformation_json.get('Properties', {}).get('FunctionName') or resource_name802        def _from_env(*args, **kwargs):803            result = Mock()804            result.api = Mock()805            result.api.get_adapter = (lambda *args, **kwargs: None)806            return result807        # Temporarily set a mock client, to prevent moto from talking to the Docker daemon808        import docker809        _from_env_orig = docker.from_env810        docker.from_env = _from_env811        try:812            result = Lambda_create_from_cloudformation_json_orig(resource_name, cloudformation_json, region_name)813        finally:814            docker.from_env = _from_env_orig815        return result816    Lambda_create_from_cloudformation_json_orig = lambda_models.LambdaFunction.create_from_cloudformation_json817    lambda_models.LambdaFunction.create_from_cloudformation_json = Lambda_create_from_cloudformation_json818    # Patch EventSourceMapping create_from_cloudformation_json(..) method in moto819    @classmethod820    def Mapping_create_from_cloudformation_json(cls, resource_name, cloudformation_json, region_name):821        props = cloudformation_json.get('Properties', {})822        func_name = props.get('FunctionName') or ''823        if ':lambda:' in func_name:824            props['FunctionName'] = aws_stack.lambda_function_name(func_name)825        try:826            return Mapping_create_from_cloudformation_json_orig(resource_name, cloudformation_json, region_name)827        except Exception:828            LOG.info('Unable to add Lambda event mapping for source ARN "%s" in moto backend (ignoring)' %829                props.get('EventSourceArn'))830            # return an empty dummy instance, to avoid downstream None value issues831            return service_models.BaseModel()832    Mapping_create_from_cloudformation_json_orig = lambda_models.EventSourceMapping.create_from_cloudformation_json833    lambda_models.EventSourceMapping.create_from_cloudformation_json = Mapping_create_from_cloudformation_json834    # Patch LambdaFunction update_from_cloudformation_json(..) method in moto835    @classmethod836    def Lambda_update_from_cloudformation_json(cls,837            original_resource, new_resource_name, cloudformation_json, region_name):838        resource_name = cloudformation_json.get('Properties', {}).get('FunctionName') or new_resource_name839        return Lambda_create_from_cloudformation_json_orig(resource_name, cloudformation_json, region_name)840    if not hasattr(lambda_models.LambdaFunction, 'update_from_cloudformation_json'):841        lambda_models.LambdaFunction.update_from_cloudformation_json = Lambda_update_from_cloudformation_json842    # Patch Role update_from_cloudformation_json(..) method843    @classmethod844    def Role_update_from_cloudformation_json(cls,845            original_resource, new_resource_name, cloudformation_json, region_name):846        props = cloudformation_json.get('Properties', {})847        original_resource.name = props.get('RoleName') or original_resource.name848        original_resource.assume_role_policy_document = props.get('AssumeRolePolicyDocument')849        return original_resource850    if not hasattr(iam_models.Role, 'update_from_cloudformation_json'):851        iam_models.Role.update_from_cloudformation_json = Role_update_from_cloudformation_json852    # patch ApiGateway Deployment deletion853    @staticmethod854    def depl_delete_from_cloudformation_json(resource_name, resource_json, region_name):855        properties = resource_json['Properties']856        LOG.info('TODO: apigateway.Deployment.delete_from_cloudformation_json %s' % properties)857    if not hasattr(apigw_models.Deployment, 'delete_from_cloudformation_json'):858        apigw_models.Deployment.delete_from_cloudformation_json = depl_delete_from_cloudformation_json...

service_models.py

Source:service_models.py

...129    def resource_id(self):130        """Return the logical resource ID of this resource (i.e., the ref. name within the stack's resources)."""131        return self.resource_json["LogicalResourceId"]132    @classmethod133    def update_from_cloudformation_json(134        cls, original_resource, new_resource_name, cloudformation_json, region_name135    ):136        props = cloudformation_json.get("Properties", {})137        for key, val in props.items():138            snake_key = camel_to_snake_case(key)139            lower_key = key.lower()140            for candidate in [key, lower_key, snake_key]:141                if hasattr(original_resource, candidate) or candidate == snake_key:142                    setattr(original_resource, candidate, val)143                    break144        return original_resource145    @classmethod146    def create_from_cloudformation_json(cls, resource_name, resource_json, region_name):147        return cls(...

models.py

Source:models.py

...23        state_machine = StateMachine(arn, name, definition=definition, role_arn=role_arn)24        stepfunction_backends[region_name].state_machines.append(state_machine)25        return state_machine26    @classmethod27    def update_from_cloudformation_json(cls, original_resource, new_resource_name, cloudformation_json, region_name):28        props = cloudformation_json.get('Properties', {})29        definition = props.get('DefinitionString')30        role_arn = props.get('RoleArn')31        state_machine = stepfunction_backends[region_name].update_state_machine(32            original_resource.arn, definition=definition, role_arn=role_arn,33        )34        return state_machine35    def update(self, **kwargs):36        for key, value in kwargs.items():37            if value is not None:...

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