Best Python code snippet using localstack_python
template_deployer.py
Source:template_deployer.py
...390 if is_ref_attribute:391 # extract the Properties here, as we only want to recurse over the resource props...392 resource_props = resources.get(ref, {}).get("Properties")393 resolve_refs_recursively(stack_name, resource_props, resources)394 return determine_resource_physical_id(395 resource_id=ref,396 resources=resources,397 attribute=attribute,398 stack_name=stack_name,399 )400 if resources.get(ref):401 if isinstance(resources[ref].get(attribute), (str, int, float, bool, dict)):402 return resources[ref][attribute]403 # fetch resource details404 resource_new = retrieve_resource_details(ref, {}, resources, stack_name)405 if not resource_new:406 raise DependencyNotYetSatisfied(407 resource_ids=ref,408 message='Unable to fetch details for resource "%s" (resolving attribute "%s")'409 % (ref, attribute),410 )411 resource = resources.get(ref)412 resource_type = get_resource_type(resource)413 result = extract_resource_attribute(414 resource_type,415 resource_new,416 attribute,417 resource_id=ref,418 resource=resource,419 resources=resources,420 stack_name=stack_name,421 )422 if result is None:423 LOG.warning(424 'Unable to extract reference attribute "%s" from resource: %s %s'425 % (attribute, resource_new, resource)426 )427 return result428# Using a @prevent_stack_overflow decorator here to avoid infinite recursion429# in case we load stack exports that have circular dependencies (see issue 3438)430# TODO: Potentially think about a better approach in the future431@prevent_stack_overflow(match_parameters=True)432def resolve_refs_recursively(stack_name, value, resources):433 if isinstance(value, dict):434 keys_list = list(value.keys())435 stripped_fn_lower = keys_list[0].lower().split("::")[-1] if len(keys_list) == 1 else None436 # process special operators437 if keys_list == ["Ref"]:438 ref = resolve_ref(stack_name, value["Ref"], resources, attribute="Ref")439 if ref is None:440 msg = 'Unable to resolve Ref for resource "%s" (yet)' % value["Ref"]441 LOG.debug("%s - %s" % (msg, resources.get(value["Ref"]) or set(resources.keys())))442 raise DependencyNotYetSatisfied(resource_ids=value["Ref"], message=msg)443 ref = resolve_refs_recursively(stack_name, ref, resources)444 return ref445 if stripped_fn_lower == "getatt":446 attr_ref = value[keys_list[0]]447 attr_ref = attr_ref.split(".") if isinstance(attr_ref, str) else attr_ref448 return resolve_ref(stack_name, attr_ref[0], resources, attribute=attr_ref[1])449 if stripped_fn_lower == "join":450 join_values = value[keys_list[0]][1]451 join_values = [resolve_refs_recursively(stack_name, v, resources) for v in join_values]452 none_values = [v for v in join_values if v is None]453 if none_values:454 raise Exception(455 "Cannot resolve CF fn::Join %s due to null values: %s" % (value, join_values)456 )457 return value[keys_list[0]][0].join([str(v) for v in join_values])458 if stripped_fn_lower == "sub":459 item_to_sub = value[keys_list[0]]460 attr_refs = dict([(r, {"Ref": r}) for r in STATIC_REFS])461 if not isinstance(item_to_sub, list):462 item_to_sub = [item_to_sub, {}]463 result = item_to_sub[0]464 item_to_sub[1].update(attr_refs)465 for key, val in item_to_sub[1].items():466 val = resolve_refs_recursively(stack_name, val, resources)467 result = result.replace("${%s}" % key, val)468 # resolve placeholders469 result = resolve_placeholders_in_string(470 result, stack_name=stack_name, resources=resources471 )472 return result473 if stripped_fn_lower == "findinmap":474 attr = resolve_refs_recursively(stack_name, value[keys_list[0]][1], resources)475 result = resolve_ref(stack_name, value[keys_list[0]][0], resources, attribute=attr)476 if not result:477 raise Exception(478 "Cannot resolve fn::FindInMap: %s %s"479 % (value[keys_list[0]], list(resources.keys()))480 )481 key = value[keys_list[0]][2]482 if not isinstance(key, str):483 key = resolve_refs_recursively(stack_name, key, resources)484 return result.get(key)485 if stripped_fn_lower == "importvalue":486 import_value_key = resolve_refs_recursively(stack_name, value[keys_list[0]], resources)487 stack = find_stack(stack_name)488 stack_export = stack.exports_map.get(import_value_key) or {}489 if not stack_export.get("Value"):490 LOG.info(491 'Unable to find export "%s" in stack "%s", existing export names: %s'492 % (import_value_key, stack_name, list(stack.exports_map.keys()))493 )494 return None495 return stack_export["Value"]496 if stripped_fn_lower == "if":497 condition, option1, option2 = value[keys_list[0]]498 condition = evaluate_condition(stack_name, condition, resources)499 return resolve_refs_recursively(500 stack_name, option1 if condition else option2, resources501 )502 if stripped_fn_lower == "condition":503 result = evaluate_condition(stack_name, value[keys_list[0]], resources)504 return result505 if stripped_fn_lower == "not":506 condition = value[keys_list[0]][0]507 condition = resolve_refs_recursively(stack_name, condition, resources)508 return not condition509 if stripped_fn_lower in ["and", "or"]:510 conditions = value[keys_list[0]]511 results = [resolve_refs_recursively(stack_name, cond, resources) for cond in conditions]512 result = all(results) if stripped_fn_lower == "and" else any(results)513 return result514 if stripped_fn_lower == "equals":515 operand1, operand2 = value[keys_list[0]]516 operand1 = resolve_refs_recursively(stack_name, operand1, resources)517 operand2 = resolve_refs_recursively(stack_name, operand2, resources)518 return str(operand1) == str(operand2)519 if stripped_fn_lower == "select":520 index, values = value[keys_list[0]]521 index = resolve_refs_recursively(stack_name, index, resources)522 values = resolve_refs_recursively(stack_name, values, resources)523 return values[index]524 if stripped_fn_lower == "split":525 delimiter, string = value[keys_list[0]]526 delimiter = resolve_refs_recursively(stack_name, delimiter, resources)527 string = resolve_refs_recursively(stack_name, string, resources)528 return string.split(delimiter)529 if stripped_fn_lower == "getazs":530 region = (531 resolve_refs_recursively(stack_name, value["Fn::GetAZs"], resources)532 or aws_stack.get_region()533 )534 azs = []535 for az in ("a", "b", "c", "d"):536 azs.append("%s%s" % (region, az))537 return azs538 if stripped_fn_lower == "base64":539 value_to_encode = value[keys_list[0]]540 value_to_encode = resolve_refs_recursively(stack_name, value_to_encode, resources)541 return to_str(base64.b64encode(to_bytes(value_to_encode)))542 for key, val in dict(value).items():543 value[key] = resolve_refs_recursively(stack_name, val, resources)544 if isinstance(value, list):545 for i in range(len(value)):546 value[i] = resolve_refs_recursively(stack_name, value[i], resources)547 return value548def resolve_placeholders_in_string(result, stack_name=None, resources=None):549 def _replace(match):550 parts = match.group(1).split(".")551 if len(parts) >= 2:552 resource_name, _, attr_name = match.group(1).partition(".")553 resolved = resolve_ref(554 stack_name, resource_name.strip(), resources, attribute=attr_name.strip()555 )556 if resolved is None:557 raise DependencyNotYetSatisfied(558 resource_ids=resource_name,559 message="Unable to resolve attribute ref %s" % match.group(1),560 )561 return resolved562 if len(parts) == 1 and parts[0] in resources:563 resource_json = resources[parts[0]]564 resource_type = get_resource_type(resource_json)565 result = extract_resource_attribute(566 resource_type,567 {},568 "Ref",569 resources=resources,570 resource_id=parts[0],571 stack_name=stack_name,572 )573 if result is None:574 raise DependencyNotYetSatisfied(575 resource_ids=parts[0],576 message="Unable to resolve attribute ref %s" % match.group(1),577 )578 return result579 # TODO raise exception here?580 return match.group(0)581 regex = r"\$\{([^\}]+)\}"582 result = re.sub(regex, _replace, result)583 return result584def evaluate_condition(stack_name, condition, resources):585 condition = resolve_refs_recursively(stack_name, condition, resources)586 condition = resolve_ref(stack_name, condition, resources, attribute="Ref")587 condition = resolve_refs_recursively(stack_name, condition, resources)588 return condition589def evaluate_resource_condition(resource, stack_name, resources):590 condition = resource.get("Condition")591 if condition:592 condition = evaluate_condition(stack_name, condition, resources)593 if condition is False or condition in FALSE_STRINGS or is_none_or_empty_value(condition):594 return False595 return True596def get_stack_parameter(stack_name, parameter):597 try:598 client = aws_stack.connect_to_service("cloudformation")599 stack = client.describe_stacks(StackName=stack_name)["Stacks"]600 except Exception:601 return None602 stack = stack and stack[0]603 if not stack:604 return None605 result = [p["ParameterValue"] for p in stack["Parameters"] if p["ParameterKey"] == parameter]606 return (result or [None])[0]607def update_resource(resource_id, resources, stack_name):608 resource = resources[resource_id]609 resource_type = get_resource_type(resource)610 if resource_type not in UPDATEABLE_RESOURCES:611 LOG.warning('Unable to update resource type "%s", id "%s"' % (resource_type, resource_id))612 return613 LOG.info("Updating resource %s of type %s" % (resource_id, resource_type))614 instance = get_resource_model_instance(resource_id, resources)615 if instance:616 result = instance.update_resource(resource, stack_name=stack_name, resources=resources)617 instance.fetch_and_update_state(stack_name=stack_name, resources=resources)618 return result619def get_resource_model_instance(resource_id: str, resources) -> Optional[GenericBaseModel]:620 """Obtain a typed resource entity instance representing the given stack resource."""621 resource = resources[resource_id]622 resource_type = get_resource_type(resource)623 canonical_type = canonical_resource_type(resource_type)624 resource_class = RESOURCE_MODELS.get(canonical_type)625 if not resource_class:626 return None627 instance = resource_class(resource)628 return instance629def fix_account_id_in_arns(params):630 def fix_ids(o, **kwargs):631 if isinstance(o, dict):632 for k, v in o.items():633 if common.is_string(v, exclude_binary=True):634 o[k] = aws_stack.fix_account_id_in_arns(v)635 elif common.is_string(o, exclude_binary=True):636 o = aws_stack.fix_account_id_in_arns(o)637 return o638 result = common.recurse_object(params, fix_ids)639 return result640def convert_data_types(func_details, params):641 """Convert data types in the "params" object, with the type defs642 specified in the 'types' attribute of "func_details"."""643 types = func_details.get("types") or {}644 attr_names = types.keys() or []645 def cast(_obj, _type):646 if _type == bool:647 return _obj in ["True", "true", True]648 if _type == str:649 if isinstance(_obj, bool):650 return str(_obj).lower()651 return str(_obj)652 if _type == int:653 return int(_obj)654 return _obj655 def fix_types(o, **kwargs):656 if isinstance(o, dict):657 for k, v in o.items():658 if k in attr_names:659 o[k] = cast(v, types[k])660 return o661 result = common.recurse_object(params, fix_types)662 return result663# TODO remove this method664def prepare_template_body(req_data):665 return template_preparer.prepare_template_body(req_data)666def deploy_resource(resource_id, resources, stack_name):667 result = execute_resource_action(resource_id, resources, stack_name, ACTION_CREATE)668 return result669def delete_resource(resource_id, resources, stack_name):670 return execute_resource_action(resource_id, resources, stack_name, ACTION_DELETE)671def execute_resource_action_fallback(672 action_name, resource_id, resources, stack_name, resource, resource_type673):674 # using moto as fallback for now - TODO remove in the future!675 msg = 'Action "%s" for resource type %s not yet implemented' % (676 action_name,677 resource_type,678 )679 long_type = canonical_resource_type(resource_type)680 clazz = parsing.MODEL_MAP.get(long_type)681 if not clazz:682 LOG.warning(msg)683 return684 LOG.info("%s - using fallback mechanism" % msg)685 if action_name == ACTION_CREATE:686 resource_name = get_resource_name(resource) or resource_id687 result = clazz.create_from_cloudformation_json(688 resource_name, resource, aws_stack.get_region()689 )690 return result691def execute_resource_action(resource_id, resources, stack_name, action_name):692 resource = resources[resource_id]693 resource_type = get_resource_type(resource)694 func_details = get_deployment_config(resource_type)695 if not func_details or action_name not in func_details:696 if resource_type in ["Parameter"]:697 return698 return execute_resource_action_fallback(699 action_name, resource_id, resources, stack_name, resource, resource_type700 )701 LOG.debug(702 'Running action "%s" for resource type "%s" id "%s"'703 % (action_name, resource_type, resource_id)704 )705 func_details = func_details[action_name]706 func_details = func_details if isinstance(func_details, list) else [func_details]707 results = []708 for func in func_details:709 if callable(func["function"]):710 result = func["function"](resource_id, resources, resource_type, func, stack_name)711 results.append(result)712 continue713 client = get_client(resource, func)714 if client:715 result = configure_resource_via_sdk(716 resource_id, resources, resource_type, func, stack_name, action_name717 )718 results.append(result)719 return (results or [None])[0]720def configure_resource_via_sdk(721 resource_id, resources, resource_type, func_details, stack_name, action_name722):723 resource = resources[resource_id]724 if resource_type == "EC2::Instance":725 if action_name == "create":726 func_details["boto_client"] = "resource"727 client = get_client(resource, func_details)728 function = getattr(client, func_details["function"])729 params = func_details.get("parameters") or lambda_get_params()730 defaults = func_details.get("defaults", {})731 resource_props = resource["Properties"] = resource.get("Properties", {})732 resource_props = dict(resource_props)733 resource_state = resource.get(KEY_RESOURCE_STATE, {})734 if callable(params):735 params = params(736 resource_props,737 stack_name=stack_name,738 resources=resources,739 resource_id=resource_id,740 )741 else:742 # it could be a list like ['param1', 'param2', {'apiCallParamName': 'cfResourcePropName'}]743 if isinstance(params, list):744 _params = {}745 for param in params:746 if isinstance(param, dict):747 _params.update(param)748 else:749 _params[param] = param750 params = _params751 params = dict(params)752 for param_key, prop_keys in dict(params).items():753 params.pop(param_key, None)754 if not isinstance(prop_keys, list):755 prop_keys = [prop_keys]756 for prop_key in prop_keys:757 if prop_key == PLACEHOLDER_RESOURCE_NAME:758 params[param_key] = PLACEHOLDER_RESOURCE_NAME759 else:760 if callable(prop_key):761 prop_value = prop_key(762 resource_props,763 stack_name=stack_name,764 resources=resources,765 resource_id=resource_id,766 )767 else:768 prop_value = resource_props.get(769 prop_key,770 resource.get(prop_key, resource_state.get(prop_key)),771 )772 if prop_value is not None:773 params[param_key] = prop_value774 break775 # replace PLACEHOLDER_RESOURCE_NAME in params776 resource_name_holder = {}777 def fix_placeholders(o, **kwargs):778 if isinstance(o, dict):779 for k, v in o.items():780 if v == PLACEHOLDER_RESOURCE_NAME:781 if "value" not in resource_name_holder:782 resource_name_holder["value"] = get_resource_name(resource) or resource_id783 o[k] = resource_name_holder["value"]784 return o785 common.recurse_object(params, fix_placeholders)786 # assign default values if empty787 params = common.merge_recursive(defaults, params)788 # this is an indicator that we should skip this resource deployment, and return789 if params is None:790 return791 # convert refs792 for param_key, param_value in dict(params).items():793 if param_value is not None:794 param_value = params[param_key] = resolve_refs_recursively(795 stack_name, param_value, resources796 )797 # convert any moto account IDs (123456789012) in ARNs to our format (000000000000)798 params = fix_account_id_in_arns(params)799 # convert data types (e.g., boolean strings to bool)800 params = convert_data_types(func_details, params)801 # remove None values, as they usually raise boto3 errors802 params = remove_none_values(params)803 # convert boolean strings804 # (TODO: we should find a more reliable mechanism than this opportunistic/probabilistic approach!)805 params_before_conversion = copy.deepcopy(params)806 for param_key, param_value in dict(params).items():807 # Convert to boolean (TODO: do this recursively?)808 if str(param_value).lower() in ["true", "false"]:809 params[param_key] = str(param_value).lower() == "true"810 # invoke function811 try:812 LOG.debug(813 'Request for resource type "%s" in region %s: %s %s'814 % (resource_type, aws_stack.get_region(), func_details["function"], params)815 )816 try:817 result = function(**params)818 except botocore.exceptions.ParamValidationError as e:819 LOG.debug(f"Trying original parameters: {params_before_conversion}")820 if "type: <class 'bool'>" not in str(e):821 raise822 result = function(**params_before_conversion)823 except Exception as e:824 if action_name == "delete" and check_not_found_exception(e, resource_type, resource):825 return826 LOG.warning(827 "Error calling %s with params: %s for resource: %s" % (function, params, resource)828 )829 raise e830 return result831def get_action_name_for_resource_change(res_change):832 return {"Add": "CREATE", "Remove": "DELETE", "Modify": "UPDATE"}.get(res_change)833# TODO: this shouldn't be called for stack parameters834def determine_resource_physical_id(835 resource_id, resources=None, stack=None, attribute=None, stack_name=None836):837 resources = resources or stack.resources838 stack_name = stack_name or stack.stack_name839 resource = resources.get(resource_id, {})840 if not resource:841 return842 resource_type = get_resource_type(resource)843 resource_type = re.sub("^AWS::", "", resource_type)844 resource_props = resource.get("Properties", {})845 # determine result from resource class846 canonical_type = canonical_resource_type(resource_type)847 resource_class = RESOURCE_MODELS.get(canonical_type)848 if resource_class:849 resource_inst = resource_class(resource)850 resource_inst.fetch_state_if_missing(stack_name=stack_name, resources=resources)851 result = resource_inst.get_physical_resource_id(attribute=attribute)852 if result:853 return result854 # TODO: put logic into resource-specific model classes!855 if resource_type == "ApiGateway::RestApi":856 result = resource_props.get("id")857 if result:858 return result859 elif resource_type == "ApiGateway::Stage":860 return resource_props.get("StageName")861 elif resource_type == "AppSync::DataSource":862 return resource_props.get("DataSourceArn")863 elif resource_type == "KinesisFirehose::DeliveryStream":864 return aws_stack.firehose_stream_arn(resource_props.get("DeliveryStreamName"))865 elif resource_type == "StepFunctions::StateMachine":866 return aws_stack.state_machine_arn(867 resource_props.get("StateMachineName")868 ) # returns ARN in AWS869 elif resource_type == "S3::Bucket":870 if attribute == "Arn":871 return aws_stack.s3_bucket_arn(resource_props.get("BucketName"))872 return resource_props.get("BucketName") # Note: "Ref" returns bucket name in AWS873 elif resource_type == "IAM::Role":874 if attribute == "Arn":875 return aws_stack.role_arn(resource_props.get("RoleName"))876 return resource_props.get("RoleName")877 elif resource_type == "SecretsManager::Secret":878 arn = get_secret_arn(resource_props.get("Name")) or ""879 if attribute == "Arn":880 return arn881 return arn.split(":")[-1]882 elif resource_type == "IAM::Policy":883 if attribute == "Arn":884 return aws_stack.policy_arn(resource_props.get("PolicyName"))885 return resource_props.get("PolicyName")886 elif resource_type == "DynamoDB::Table":887 table_name = resource_props.get("TableName")888 if table_name:889 if attribute == "Ref":890 return table_name # Note: "Ref" returns table name in AWS891 return table_name892 elif resource_type == "Logs::LogGroup":893 return resource_props.get("LogGroupName")894 res_id = resource.get("PhysicalResourceId")895 if res_id and attribute in [None, "Ref", "PhysicalResourceId"]:896 return res_id897 result = extract_resource_attribute(898 resource_type,899 {},900 attribute or "PhysicalResourceId",901 stack_name=stack_name,902 resource_id=resource_id,903 resource=resource,904 resources=resources,905 )906 if result is not None:907 # note that value could be an empty string here (in case of Parameter values)908 return result909 LOG.info(910 'Unable to determine PhysicalResourceId for "%s" resource, ID "%s"'911 % (resource_type, resource_id)912 )913def update_resource_details(stack, resource_id, details, action=None):914 resource = stack.resources.get(resource_id, {})915 if not resource or not details:916 return917 # TODO: we need to rethink this method - this should be encapsulated in the resource model classes.918 # Also, instead of actively updating the PhysicalResourceId attributes below, they should be919 # determined and returned by the resource model classes upon request.920 resource_type = resource.get("Type") or ""921 resource_type = re.sub("^AWS::", "", resource_type)922 resource_props = resource.get("Properties", {})923 if resource_type == "ApiGateway::RestApi":924 resource_props["id"] = details["id"]925 if resource_type == "KMS::Key":926 resource["PhysicalResourceId"] = details["KeyMetadata"]["KeyId"]927 if resource_type == "EC2::Instance":928 if details and isinstance(details, list) and hasattr(details[0], "id"):929 resource["PhysicalResourceId"] = details[0].id930 if isinstance(details, dict) and details.get("InstanceId"):931 resource["PhysicalResourceId"] = details["InstanceId"]932 if resource_type == "EC2::SecurityGroup":933 resource["PhysicalResourceId"] = details["GroupId"]934 if resource_type == "IAM::InstanceProfile":935 resource["PhysicalResourceId"] = details["InstanceProfile"]["InstanceProfileName"]936 if resource_type == "StepFunctions::Activity":937 resource["PhysicalResourceId"] = details["activityArn"]938 if resource_type == "ApiGateway::Model":939 resource["PhysicalResourceId"] = details["id"]940 if resource_type == "EC2::VPC":941 resource["PhysicalResourceId"] = details["Vpc"]["VpcId"]942 if resource_type == "EC2::Subnet":943 resource["PhysicalResourceId"] = details["Subnet"]["SubnetId"]944 if resource_type == "EC2::RouteTable":945 resource["PhysicalResourceId"] = details["RouteTable"]["RouteTableId"]946 if resource_type == "EC2::Route":947 resource["PhysicalResourceId"] = generate_route_id(948 resource_props["RouteTableId"],949 resource_props.get("DestinationCidrBlock", ""),950 resource_props.get("DestinationIpv6CidrBlock"),951 )952 # TODO remove!953 if isinstance(details, MotoCloudFormationModel):954 # fallback: keep track of moto resource status955 stack.moto_resource_statuses[resource_id] = details956def add_default_resource_props(957 resource,958 stack_name,959 resource_name=None,960 resource_id=None,961 update=False,962 existing_resources=None,963):964 """Apply some fixes to resource props which otherwise cause deployments to fail"""965 res_type = resource["Type"]966 canonical_type = canonical_resource_type(res_type)967 resource_class = RESOURCE_MODELS.get(canonical_type)968 if resource_class is not None:969 resource_class.add_defaults(resource, stack_name)970# -----------------------971# MAIN TEMPLATE DEPLOYER972# -----------------------973class TemplateDeployer(object):974 def __init__(self, stack):975 self.stack = stack976 @property977 def resources(self):978 return self.stack.resources979 @property980 def stack_name(self):981 return self.stack.stack_name982 # ------------------983 # MAIN ENTRY POINTS984 # ------------------985 def deploy_stack(self):986 self.stack.set_stack_status("CREATE_IN_PROGRESS")987 try:988 self.apply_changes(989 self.stack,990 self.stack,991 stack_name=self.stack.stack_name,992 initialize=True,993 action="CREATE",994 )995 except Exception as e:996 LOG.info("Unable to create stack %s: %s" % (self.stack.stack_name, e))997 self.stack.set_stack_status("CREATE_FAILED")998 raise999 def apply_change_set(self, change_set):1000 action = "CREATE"1001 change_set.stack.set_stack_status("%s_IN_PROGRESS" % action)1002 try:1003 self.apply_changes(1004 change_set.stack,1005 change_set,1006 stack_name=change_set.stack_name,1007 action=action,1008 )1009 except Exception as e:1010 LOG.info(1011 "Unable to apply change set %s: %s" % (change_set.metadata.get("ChangeSetName"), e)1012 )1013 change_set.metadata["Status"] = "%s_FAILED" % action1014 self.stack.set_stack_status("%s_FAILED" % action)1015 raise1016 def update_stack(self, new_stack):1017 self.stack.set_stack_status("UPDATE_IN_PROGRESS")1018 # apply changes1019 self.apply_changes(self.stack, new_stack, stack_name=self.stack.stack_name, action="UPDATE")1020 def delete_stack(self):1021 if not self.stack:1022 return1023 self.stack.set_stack_status("DELETE_IN_PROGRESS")1024 stack_resources = list(self.stack.resources.values())1025 stack_name = self.stack.stack_name1026 resources = dict([(r["LogicalResourceId"], common.clone_safe(r)) for r in stack_resources])1027 for key, resource in resources.items():1028 resource["Properties"] = resource.get("Properties", common.clone_safe(resource))1029 resource["ResourceType"] = resource.get("ResourceType") or resource.get("Type")1030 for resource_id, resource in resources.items():1031 # TODO: cache condition value in resource details on deployment and use cached value here1032 if evaluate_resource_condition(resource, stack_name, resources):1033 delete_resource(resource_id, resources, stack_name)1034 self.stack.set_resource_status(resource_id, "DELETE_COMPLETE")1035 # update status1036 self.stack.set_stack_status("DELETE_COMPLETE")1037 # ----------------------------1038 # DEPENDENCY RESOLUTION UTILS1039 # ----------------------------1040 def is_deployable_resource(self, resource):1041 resource_type = get_resource_type(resource)1042 entry = get_deployment_config(resource_type)1043 if entry is None and resource_type not in ["Parameter", None]:1044 # fall back to moto resource creation (TODO: remove in the future)1045 long_res_type = canonical_resource_type(resource_type)1046 if long_res_type in parsing.MODEL_MAP:1047 return True1048 LOG.warning('Unable to deploy resource type "%s": %s' % (resource_type, resource))1049 return bool(entry and entry.get(ACTION_CREATE))1050 def is_deployed(self, resource):1051 resource_status = {}1052 resource_id = resource["LogicalResourceId"]1053 details = retrieve_resource_details(1054 resource_id, resource_status, self.resources, self.stack_name1055 )1056 return bool(details)1057 def is_updateable(self, resource):1058 """Return whether the given resource can be updated or not."""1059 if not self.is_deployable_resource(resource) or not self.is_deployed(resource):1060 return False1061 resource_type = get_resource_type(resource)1062 return resource_type in UPDATEABLE_RESOURCES1063 def all_resource_dependencies_satisfied(self, resource):1064 unsatisfied = self.get_unsatisfied_dependencies(resource)1065 return not unsatisfied1066 def get_unsatisfied_dependencies(self, resource):1067 res_deps = self.get_resource_dependencies(resource)1068 return self.get_unsatisfied_dependencies_for_resources(res_deps, resource)1069 def get_unsatisfied_dependencies_for_resources(1070 self, resources, depending_resource=None, return_first=True1071 ):1072 result = {}1073 for resource_id, resource in iteritems(resources):1074 if self.is_deployable_resource(resource):1075 if not self.is_deployed(resource):1076 LOG.debug(1077 "Dependency for resource %s not yet deployed: %s %s"1078 % (depending_resource, resource_id, resource)1079 )1080 result[resource_id] = resource1081 if return_first:1082 break1083 return result1084 def get_resource_dependencies(self, resource):1085 result = {}1086 # Note: using the original, unmodified template here to preserve Ref's ...1087 raw_resources = self.stack.template_original["Resources"]1088 raw_resource = raw_resources[resource["LogicalResourceId"]]1089 dumped = json.dumps(common.json_safe(raw_resource))1090 for other_id, other in raw_resources.items():1091 if resource != other:1092 # TODO: traverse dict instead of doing string search!1093 search1 = '{"Ref": "%s"}' % other_id1094 search2 = '{"Fn::GetAtt": ["%s", ' % other_id1095 if search1 in dumped or search2 in dumped:1096 result[other_id] = other1097 if other_id in resource.get("DependsOn", []):1098 result[other_id] = other1099 return result1100 # -----------------1101 # DEPLOYMENT UTILS1102 # -----------------1103 def add_default_resource_props(self, resources=None):1104 resources = resources or self.resources1105 for resource_id, resource in resources.items():1106 add_default_resource_props(1107 resource, self.stack_name, resource_id=resource_id, existing_resources=resources1108 )1109 def init_resource_status(self, resources=None, stack=None, action="CREATE"):1110 resources = resources or self.resources1111 stack = stack or self.stack1112 for resource_id, resource in resources.items():1113 stack.set_resource_status(resource_id, "%s_IN_PROGRESS" % action)1114 def update_resource_details(self, resource_id, result, stack=None, action="CREATE"):1115 stack = stack or self.stack1116 # update resource state1117 update_resource_details(stack, resource_id, result, action)1118 # update physical resource id1119 resource = stack.resources[resource_id]1120 physical_id = resource.get("PhysicalResourceId")1121 physical_id = physical_id or determine_resource_physical_id(resource_id, stack=stack)1122 if not resource.get("PhysicalResourceId") or action == "UPDATE":1123 if physical_id:1124 resource["PhysicalResourceId"] = physical_id1125 # set resource status1126 stack.set_resource_status(resource_id, "%s_COMPLETE" % action, physical_res_id=physical_id)1127 return physical_id1128 def get_change_config(self, action, resource, change_set_id=None):1129 return {1130 "Type": "Resource",1131 "ResourceChange": {1132 "Action": action,1133 "LogicalResourceId": resource.get("LogicalResourceId"),1134 "PhysicalResourceId": resource.get("PhysicalResourceId"),1135 "ResourceType": resource.get("Type"),...
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