template.yaml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: >
    route53-monitor

    Monitor select recordsets for changes and notify the associated SNS topics

# More info about Globals: https://github.com/awslabs/serverless-application-model/blob/master/docs/globals.rst
Globals:
    Function:
        Timeout: 3

Resources:

    Route53MonitorFunction:
        Type: AWS::Serverless::Function # More info about Function Resource: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#awsserverlessfunction
        Properties:
            CodeUri: code/
            Handler: app.lambda_handler
            Runtime: python2.7
            Events:
                DnsUpdate:
                    Type: CloudWatchEvent # More info about API Event Source: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#api
                    Properties:
                        Pattern:
                            detail:
                                eventSource: 
                                - route53.amazonaws.com
                                eventName: 
                                - ChangeResourceRecordSets
    


Outputs:

    Route53MonitorFunction:
      Description: "Route 53 monitor function ARN"
      Value: !GetAtt Route53MonitorFunction.Arn

    Route53MonitorFunctionIamRole:
      Description: "Implicit IAM Role created for Route 53 monitor function"
      Value: !GetAtt Route53MonitorFunctionRole.Arn