我按照此tutorial設置了AWS Lambda函數,該函數在上載到S3並填充DynamoDB時調用。AWS SAM - 資源之間的循環依賴關係錯誤
我試圖達到與AWS SAM相同,我需要定義一個template.yaml
文件與配置信息。我不斷收到此錯誤與Cloudformation部署時 -
Failed to create the changeset: Waiter ChangeSetCreateComplete failed: Waiter encountered a terminal failure state Status: FAILED. Reason: Circular dependency between resources: [LambdaPerm]
我找不到很多的相關信息,所以我努力調試。什麼導致這個錯誤,我該如何解決這個問題?這裏是我的模板配置 -
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
順便說一句:您可以使用!Ref「AWS :: AccountId」而不是硬編碼您的賬戶ID。不是你的循環依賴的原因。 –