template.yml

AWSTemplateFormatVersion: '2010-09-09'
Transform: 'AWS::Serverless-2016-10-31'
Description: 'SAM template for Serverless framework service: '
Parameters:
  BucketName:
    Type: String
  IoTInputTopic:
    Type: String
  IoTOutputTopic:
    Type: String
  RegexMatch:
    Type: String
  IoTEndpoint:
    Type: String
  DeleteS3ObjectsAfterXAmountOfDays:
    Description: Storage period in days
    Type: Number
    Default: 3

Resources:
  bucket:
    Type: AWS::S3::Bucket
    Properties:
      BucketName: !Ref BucketName
      LifecycleConfiguration:
        Rules:
          - Id: DeleteObjectAfterXDays
            Status: Enabled
            ExpirationInDays: !Ref DeleteS3ObjectsAfterXAmountOfDays
  AwsLambdaRekonDevRekon:
    Type: 'AWS::Serverless::Function'
    Properties:
      Handler: main
      Runtime: go1.x
      CodeUri: ./src/deployment.zip
      MemorySize: 128
      Timeout: 10
      Policies:
        - Version: '2012-10-17'
          Statement:
            - Effect: Allow
              Action:
                - 's3:PutObject'
                - 's3:GetObject'
                - 's3:ListBucket'
                - 's3:ListBucketVersions'
              Resource: !Sub arn:aws:s3:::${BucketName}/*
            - Effect: Allow
              Action:
                - 'rekognition:*'
              Resource: '*'
            - Effect: Allow
              Action:
                - 'iot:Publish'
                - 'iot:Connect'
              Resource: '*'


      Environment:
        Variables:
          S3_OUTPUT_BUCKET: !Ref BucketName
          IOT_OUTPUT_TOPIC: !Ref IoTOutputTopic  
          REGEXP_MATCH: !Ref RegexMatch  
          IOT_ENDPOINT: !Ref IoTEndpoint
      Events:
        Event1:
          Type: IoTRule
          Properties:
            Sql: !Join
                   - ''
                   - - "SELECT * FROM "
                     - "'"
                     - !Ref IoTInputTopic
                     - "'"