Conditional FunctionUrlConfig deploy error - in AWS::Serverless::Function #2385
Description
Description:
SAM template deployment error for conditional Lambda function url (Unresolved resource dependencies).
When the SAM templates contains a Lambda that is declared as a conditional resource, and has the property set for FunctionUrlConfig, and the condition is not satisfied on deployment, the deployment fails.
Steps to reproduce:
Use a SAM template, with a conditional Lambda function resource declared. Add the FunctionUrlConfig property to the Lambda. Deploy the template with parameters that do not satisfy the condition.
A minimal example template:
AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: Test conditionalFunctionUrlConfig
Parameters:
Env:
Type: String
Conditions:
IsSandbox:
Fn::Equals:
- Ref: Env
- sandbox
Resources:
ConditionalLambdaFunction:
Type: AWS::Serverless::Function
Condition: IsSandbox
Properties:
FunctionName:
Fn::Sub: ${AWS::StackName}-conditional-lambda-function
Runtime: python3.9
Handler: index.my_handler
FunctionUrlConfig:
AuthType: NONE
InlineCode:
ZipFile: "def my_handler(event, context):\n message = 'Hello World - Conditional\
\ URL!'\n return message"
Metadata:
SamResourceId: ConditionalLambdaFunction
Commands:
sam deploy --template-file <TEMPLATE_PATH> --parameter-overrides Env=production --debug --stack-name <STACK_NAME>
Observed result:
Initiating deployment
=====================
2022-04-24 16:09:42,855 | Collected default values for parameters: {}
2022-04-24 16:09:42,868 | Sam customer defined id is more priority than other IDs. Customer defined id for resource ConditionalLambdaFunction is ConditionalLambdaFunction
2022-04-24 16:09:42,868 | 1 stacks found in the template
2022-04-24 16:09:42,868 | Collected default values for parameters: {}
2022-04-24 16:09:42,881 | Sam customer defined id is more priority than other IDs. Customer defined id for resource ConditionalLambdaFunction is ConditionalLambdaFunction
2022-04-24 16:09:42,881 | 1 resources found in the stack
2022-04-24 16:09:42,881 | Collected default values for parameters: {}
2022-04-24 16:09:42,894 | Sam customer defined id is more priority than other IDs. Customer defined id for resource ConditionalLambdaFunction is ConditionalLambdaFunction
2022-04-24 16:09:42,894 | Found Serverless function with name='ConditionalLambdaFunction' and InlineCode
ConditionalLambdaFunction Function Url may not have authorization defined.
2022-04-24 16:09:43,711 | Stack with id test does not exist
Waiting for changeset to be created..
2022-04-24 16:09:50,331 | Sending Telemetry: {'metrics': [{'commandRun': {'requestId': '4cd815a7-bad0-42f4-8990-5612437f5c0c', 'installationId': '525682af-4356-4f26-96da-aa3b43f7c9ec', 'sessionId': '7f501869-84f3-42b9-a400-aa89db93e6e3', 'executionEnvironment': 'CLI', 'ci': False, 'pyversion': '3.8.13', 'samcliVersion': '1.46.0', 'awsProfileProvided': False, 'debugFlagProvided': True, 'region': '', 'commandName': 'sam deploy', 'metricSpecificAttributes': {'projectType': 'CFN'}, 'duration': 7894, 'exitReason': 'ChangeSetError', 'exitCode': 1}}]}
2022-04-24 16:09:51,005 | HTTPSConnectionPool(host='aws-serverless-tools-telemetry.us-west-2.amazonaws.com', port=443): Read timed out. (read timeout=0.1)
Error: Failed to create changeset for the stack: test, ex: Waiter ChangeSetCreateComplete failed: Waiter encountered a terminal failure state: For expression "Status" we matched expected path: "FAILED" Status: FAILED. Reason: Template format error: Unresolved resource dependencies [ConditionalLambdaFunction] in the Resources block of the template
Expected result:
The changset should be created successfully and deployment should proceed.
Additional environment details (Ex: Windows, Mac, Amazon Linux etc)
- OS: macOS Monterey, 12.3.1
- If using SAM CLI,
sam --version: SAM CLI, version 1.46.0 - AWS region: us-west-2