cfn-lambda-s3-bucket-notification-configuration

Description

The cfn-lambda-s3-bucket-notification-configuration function is CloudFormation Custom Lambda that support of create s3 bucket notification configuration

See also official documentation.

• https://aws.amazon.com/premiumsupport/knowledge-center/unable-validate-circular-dependency-cloudformation/?nc1=h_ls

When do you use it

• Declare notifications independently of AWS::S3::Bucket

Caution

The function replace all notifications if you created it. You must be created notifications with this resource(function) only.

Deploy

See here

Usage

  S3Bucket:
    Type: AWS::S3::Bucket
  S3BucketPolicy:
    Type: AWS::S3::BucketPolicy
    Properties:
      Bucket: !Ref S3Bucket
      PolicyDocument:
        Statement:
          - Action:
              - "s3:PutBucketNotification"
            Effect: "Allow"
            Resource: !GetAtt S3Bucket.Arn
            Principal:
              AWS: !ImportValue cfn-lambda-s3-bucket-notification-configuration:LambdaRoleArn
  S3BucketNofiticationConfiguration:
    Type: Custom::Lambda
    DependsOn: S3BucketPolicy
    Properties:
      ServiceToken: !ImportValue cfn-lambda-s3-bucket-notification-configuration:LambdaArn
      Bucket: !Ref S3Bucket
      NotificationConfiguration:
        LambdaFunctionConfigurations:
          - Events:
              - s3:ObjectCreated:*
            LambdaFunctionArn: !GetAtt LambdaFunction.Arn
      DeployAlways: !Ref Date
      Policies:
        Deletion:
          - IgnoreError

Parameters

The function implements s3api put-bucket-notification-configuration

Bucket

• BucketName
• Required: Yes
• Update requires: Replacement

NotificationConfiguration

• Docs
• Required: Yes
• Update requires: No interruption

Policies.Deletion (optional)

• Support values are IgnoreError and Retain.
  • IgnoreError
• Required: No
• Update requires: No interruption

Contributing

See here