AWS CloudFormation template for billing alerts

BillingAlerts.yml

# Put this in an S3 bucket and invoke it like this:
# https://us-east-1.console.aws.amazon.com/cloudformation/home?region=us-east-1#/stacks/create/review?templateURL=https://s3.amazonaws.com/yourbucketname/BillingAlerts.yml&stackName=My-Billing-Alarms
AWSTemplateFormatVersion: 2010-09-09
Description: 'Billing Alerts for AWS Account'

Parameters:

  EmailAddress:
    Type: String
    Description: "Enter email address for billing alerts"
    AllowedPattern: ^[_A-Za-z0-9-\+]+(\.[_A-Za-z0-9-]+)*@[A-Za-z0-9-]+(\.[A-Za-z0-9]+)*(\.[A-Za-z]{2,})$

Resources:

  BillingAlertFiveDollars:
    Type: AWS::CloudWatch::Alarm
    DependsOn: BillingAlertTopic
    Properties:
      AlarmActions:
        - !Ref BillingAlertTopic
      AlarmDescription: "Account Billing Alert for $5.00"
      AlarmName: "Billing Alert - Estimated Bill Exceeds $5"
      ComparisonOperator: GreaterThanThreshold
      Dimensions:
        - Name: Currency
          Value: USD
      EvaluationPeriods: 1
      MetricName: EstimatedCharges
      Namespace: AWS/Billing
      Period: 21600
      Statistic: Maximum
      Threshold: 5

  BillingAlertTenDollars:
    Type: AWS::CloudWatch::Alarm
    DependsOn: BillingAlertTopic
    Properties:
      AlarmActions:
        - !Ref BillingAlertTopic
      AlarmDescription: "Account Billing Alert for $10.00"
      AlarmName: "Billing Alert - Estimated Bill Exceeds $10"
      ComparisonOperator: GreaterThanThreshold
      Dimensions:
        - Name: Currency
          Value: USD
      EvaluationPeriods: 1
      MetricName: EstimatedCharges
      Namespace: AWS/Billing
      Period: 21600
      Statistic: Maximum
      Threshold: 10

  BillingAlertTwentyDollars:
    Type: AWS::CloudWatch::Alarm
    DependsOn: BillingAlertTopic
    Properties:
      AlarmActions:
        - !Ref BillingAlertTopic
      AlarmDescription: "Account Billing Alert for $20.00"
      AlarmName: "Billing Alert - Estimated Bill Exceeds $20"
      ComparisonOperator: GreaterThanThreshold
      Dimensions:
        - Name: Currency
          Value: USD
      EvaluationPeriods: 1
      MetricName: EstimatedCharges
      Namespace: AWS/Billing
      Period: 21600
      Statistic: Maximum
      Threshold: 20

  BillingAlertThirtyDollars:
    Type: AWS::CloudWatch::Alarm
    DependsOn: BillingAlertTopic
    Properties:
      AlarmActions:
        - !Ref BillingAlertTopic
      AlarmDescription: "Account Billing Alert for $30.00"
      AlarmName: "Billing Alert - Estimated Bill Exceeds $30"
      ComparisonOperator: GreaterThanThreshold
      Dimensions:
        - Name: Currency
          Value: USD
      EvaluationPeriods: 1
      MetricName: EstimatedCharges
      Namespace: AWS/Billing
      Period: 21600
      Statistic: Maximum
      Threshold: 30

  BillingAlertFourtyDollars:
    Type: AWS::CloudWatch::Alarm
    DependsOn: BillingAlertTopic
    Properties:
      AlarmActions:
        - !Ref BillingAlertTopic
      AlarmDescription: "Account Billing Alert for $40.00"
      AlarmName: "Billing Alert - Estimated Bill Exceeds $40"
      ComparisonOperator: GreaterThanThreshold
      Dimensions:
        - Name: Currency
          Value: USD
      EvaluationPeriods: 1
      MetricName: EstimatedCharges
      Namespace: AWS/Billing
      Period: 21600
      Statistic: Maximum
      Threshold: 40

  BillingAlertFiftyDollars:
    Type: AWS::CloudWatch::Alarm
    DependsOn: BillingAlertTopic
    Properties:
      AlarmActions:
        - !Ref BillingAlertTopic
      AlarmDescription: "Account Billing Alert for $50.00"
      AlarmName: "Billing Alert - Estimated Bill Exceeds $50"
      ComparisonOperator: GreaterThanThreshold
      Dimensions:
        - Name: Currency
          Value: USD
      EvaluationPeriods: 1
      MetricName: EstimatedCharges
      Namespace: AWS/Billing
      Period: 21600
      Statistic: Maximum
      Threshold: 50

  BillingAlertTopic:
    Type: AWS::SNS::Topic
    Properties:
      TopicName: "Billing-Alerts"
      Subscription:
      - Endpoint: !Ref EmailAddress
        Protocol: email