如何在 Cloudformation 模板中为代码构建失败通知定义 TopicPolicy

如何解决如何在 Cloudformation 模板中为代码构建失败通知定义 TopicPolicy

我已经创建了 cloudformation 模板来创建 SNS 主题、订阅、Cloudwatch 规则和 TopicPolicy，以便在代码构建失败时发送邮件通知。当我尝试创建时，模板已部署并创建主题、订阅和 Cloudwatch 规则，输出中没有错误。如果代码构建失败，则不会发送通知邮件。我使用了以下模板：

AWstemplateFormatVersion: '2010-09-09'
Description: Creates SNS topic,SNS subscription and Cloudwatch rule for Codebuild Notification
Parameters:
  SubscriptionEndPoint:
    Type: String
    Description: The endpoint that receives notifications.
  SubscriptionProtocol:
    Type: String
    Description: The subscription protocol
    AllowedValues:
    - http
    - https
    - email
    - email-json
    - sms
    - sqs
    - application
    - lambda
    Default: email
Mappings: {}
Conditions: {}
Resources:
  SNSTopic:
    Type: AWS::SNS::Topic
    Properties: {}
  SNSSubscription:
    Type: AWS::SNS::Subscription
    Properties:
      Protocol:
        Ref: SubscriptionProtocol
      Endpoint:
        Ref: SubscriptionEndPoint
      TopicArn:
        Ref: SNSTopic

  SnsPolicy:
    Type: AWS::SNS::TopicPolicy
    Properties: 
      Topics: [!Ref SNSTopic]         
      PolicyDocument: !Sub |
          {
            "Version": "2012-10-17","Id": "__default_policy_ID","Statement": [
              {
                "Sid": "__default_statement_ID","Effect": "Allow","Principal": {
                  "AWS": "*"
                },"Action": [
                  "SNS:GetTopicAttributes","SNS:SetTopicAttributes","SNS:AddPermission","SNS:RemovePermission","SNS:Deletetopic","SNS:Subscribe","SNS:ListSubscriptionsByTopic","SNS:Publish","SNS:Receive"
                ],"Resource": "${SNSTopic}","Condition": {
                  "StringEquals": {
                    "AWS:SourceOwner": "${AWS::AccountId}"
                  }
                }
              },{
                "Sid": "Allow Events","Principal": {
                  "Service": "events.amazonaws.com"
                },"Action": "sns:Publish","Resource": "${SNSTopic}"
              }
            ]
          }


  CodebuildStateFailureEventRule:
    Type: "AWS::Events::Rule"
    Properties:
      Description: "Rule for sending failure notifications to SNS topic"
      EventPattern:
        source:
          - aws.codebuild
        detail-type:
          - CodeBuild Build State Change
        detail:
          project-name:
            - TestCodeBuildProject
          build-status:
            - Failed
      State: "ENABLED"
      Targets:
       - Arn: !Ref SNSTopic
         Id: CodeBuildNotificationTest
         InputTransformer:
            InputPathsMap:
              build-id: "$.detail.build-id"
              project-name: "$.detail.project-name"
              build-status: "$.detail.build-status"
              deep-link: "$.detail.additional-information.logs.deep-link"
            InputTemplate: |
              "Build '<build-id>' for build project '<project-name>' has reached the build status of '<build-status>'."
Outputs:
  QueueName:
    Description: Name of the SNS Topic we created
    Value:
      Fn::GetAtt:
      - SNSTopic
      - TopicName
  TopicARN:
    Description: ARN of the SNS Topic we created
    Value:
      Ref: SNSTopic

有人可以帮忙吗？

提前致谢