我按照此tutorial设置了AWS Lambda函数,该函数在上载到S3并填充DynamoDB时调用。AWS SAM - 资源之间的循环依赖关系错误
我试图达到与AWS SAM相同,我需要定义一个template.yaml
文件与配置信息。我不断收到此错误与Cloudformation部署时 -
Failed to create the changeset: Waiter ChangeSetCreateComplete failed: Waiter encountered a terminal failure state Status: FAILED. Reason: Circular dependency between resources: [LambdaPerm]
我找不到很多的相关信息,所以我努力调试。什么导致这个错误,我该如何解决这个问题?这里是我的模板配置 -
AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Resources:
Gradebook:
Type: AWS::Serverless::Function
Properties:
FunctionName: LambdaGradebookServerless
Handler: serverless.LambdaGradebook
Runtime: java8
CodeUri: ./target/serverless-0.0.1-SNAPSHOT.jar
Role: arn:aws:iam::xxxxxxxxxxxx:role/lambda-s3-execution-role
LambdaPerm:
Type: AWS::Lambda::Permission
Properties:
Action: lambda:InvokeFunction
FunctionName:
Ref: Gradebook
Principal: s3.amazonaws.com
SourceAccount:
Ref: AWS::xxxxxxxxxxxx
SourceArn:
Fn::Join:
- ':'
- - arn
- aws
- s3
- ''
- ''
- Ref: gradebookBucket
gradebookBucket:
Type: AWS::S3::Bucket
Properties:
Bucket: gradebook-lambda
NotificationConfiguration:
LambdaConfigurations:
- Event: s3:ObjectCreated:*
Function:
Ref: Gradebook
顺便说一句:您可以使用!Ref“AWS :: AccountId”而不是硬编码您的账户ID。不是你的循环依赖的原因。 –