amazon-web-services - cloudformation 堆栈中的内部转换错误

Question

部署此模板时出现“内部转换”错误。我使用映射来转换开发和生产设置。这适用于单个值，但 cloudformation 在尝试转换事件配置时感到窒息。这通过了aws cloudformation validate-template我的配置有什么问题吗？:

我使用映射来转换开发和生产设置。这适用于单个值，但 SAM 在尝试转换事件配置时感到窒息，我的配置出了什么问题？:

AWSTemplateFormatVersion: '2010-09-09'
Transform: 'AWS::Serverless-2016-10-31'

Parameters:
  env:
    Description: Config map for transforming template with dev or prod values
    Type: String
    Default: dev

# Template uses !FindInMap along with env parameter to reference dev or prod values defined here
Mappings:
  ConfigMap:
    dev:
      awsAccount: 'dev'
      configFile: 'dev_config.yaml'
      cloudwatchEvents: !Ref "AWS::NoValue"
    prod:
      awsAccount: 'prod'
      configFile: 'prod_config.yaml'
      cloudwatchEvents:
        Schedule1:
          Type: Schedule
          Properties:
            Schedule: rate(3 minutes)

Resources:
  myfunction:
    Type: 'AWS::Serverless::Function'
    Properties:
      CodeUri: ../build
      Handler: lambda_function.lambda_handler
      Runtime: python3.6
      MemorySize: 128
      Timeout: 30
      Events:
        !FindInMap
            - ConfigMap
            - !Ref env
            - cloudwatchEvents

      Environment:
        Variables:
          config_file: !FindInMap
            - ConfigMap
            - !Ref env
            - configFile

      Tags:
        account: !FindInMap
          - ConfigMap
          - !Ref env
          - awsAccount
        blah: derp

Answer 1

看起来您在 !FindInMap 之后有一个拼写错误，之后缺少一个冒号。应该是!FindInMap: