template.yaml

AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: Lambda function for creating ABC custom line items to distribute SP/RI benefits
Parameters:
  pLambdaScheduleExpression:
    Type: String
    Description: Schedule expression for the Lambda function
    # fifth day of every month
    Default: cron(0 0 5 * ? *)
Globals:
  Function:
    Timeout: 900
    MemorySize: 128
    LoggingConfig:
      LogFormat: JSON
Resources:
  rLambdaFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: sam_sp_ri_utility/
      Handler: app.lambda_handler
      Runtime: python3.12
      Architectures:
        - arm64
      Events:
        ScheduledEvent:
          Type: ScheduleV2
          Properties:
            ScheduleExpression: !Ref pLambdaScheduleExpression
            ScheduleExpressionTimezone: UTC
      Environment:
        Variables:
          # change this value to something else to write the custom line items to Billing Conductor
          DRY_RUN: Enabled
          # Savings Plans benefits are only distributed to EC2 by default
          INCLUDE_FARGATE_FOR_SAVINGS_PLANS: Disabled
          INCLUDE_LAMBDA_FOR_SAVINGS_PLANS: Disabled
      Policies:
        - Statement:
            - Sid: BillingConductorAndCostExplorer
              Effect: Allow
              Action:
                - billingconductor:ListAccountAssociations
                - billingconductor:CreateCustomLineItem
                - ce:GetCostAndUsage
                - ce:GetReservationUtilization
                - ce:GetSavingsPlansUtilizationDetails
                - organizations:ListAccounts
              Resource:
                - '*'
        - Statement:
            - Sid: SNSPublishToFailureTopic
              Effect: Allow
              Action:
                - sns:Publish
              Resource:
                - !Ref rLambdaFailureTopic
  rLambdaFailureTopic:
    Type: AWS::SNS::Topic
  rEventInvokeConfig:
    Type: AWS::Lambda::EventInvokeConfig
    Properties:
      DestinationConfig:
        OnFailure:
          Destination: !Ref rLambdaFailureTopic
      FunctionName: !Ref rLambdaFunction
      Qualifier: $LATEST