amazon-web-services - AWS CloudFormation 错误 'Value of property AlarmActions must be of type List of String'

Question

我正在尝试更新我的 cf 堆栈，但在部署时遇到以下错误:'AlarmActions 属性的值必须是字符串列表类型'

这是属性 AlarmActions:

 AlarmActions:
                - !Ref SparksTeamSNSTopic
                - !If
                    - CreateProdResources
                    - - !Ref SparksProdAlarmSNSTopic
                      - !ImportValue
                          'Fn::Sub': '${Environment}-BMCMajorAlarmTopic'
                    - - !Ref 'AWS::NoValue'                   

Answer 1

根据 AWS documentation , AlarmActions 属性必须包含字符串列表形式的值。所以如果它是 JSON，你应该有这样的东西:

"AlarmActions":[
      {"Ref":"ARN of something"},
      {"Ref":"ARN of something"}           
]

但是既然你已经使用了 YAML，你应该有这样的东西:

AlarmActions:
      - !Split [",", !Ref SparksTeamSNSTopic]  <-- make sure SparksTeamSNSTopic contains a list of strings; hence this will split it by comma 

您可以将 SparksTeamSNSTopic 定义为

"SparksTeamSNSTopic" : ["topicarn1", "topicarn2"]