AWS Billing Alert

billingalert.yaml

# aws cloudformation deploy --region us-east-1 --stack-name billing-alerts --template-file billingalert.yaml

Description: "Billing alerts"
AWSTemplateFormatVersion: "2010-09-09"

Parameters:
  DevAlarmThreshold:
    Description: Development account alarm threshold.
    Type: Number
    Default: 20

Resources:
  DevSpendingAlarm:
    Type: AWS::CloudWatch::Alarm
    Properties:
      AlarmDescription: !Sub >
        "Alarm if AWS development account spending is over $${DevAlarmThreshold}"
      Namespace: AWS/Billing
      MetricName: EstimatedCharges
      Dimensions:
      - Name: Currency
        Value: USD
      - Name: LinkedAccount
        Value: YourNumericalAccountID
      Statistic: Maximum
      Period: '21600'
      EvaluationPeriods: '1'
      Threshold:
        Ref: "DevAlarmThreshold"
      ComparisonOperator: GreaterThanThreshold
      AlarmActions:
      - Ref: BillingAlertContact
      InsufficientDataActions:
      - Ref: BillingAlertContact

  BillingAlertContact:
    Type: AWS::SNS::Topic
    Properties:
      # Don't specify a TopicName as that will prevent resource updates that
      # require replacement. https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-sns-topic.html#cfn-sns-topic-name
      DisplayName: "BillingAlertNotification"
      Subscription:
        - Endpoint: "you@youremail.com"
          Protocol: email