AWSTemplateFormatVersion: "2010-09-09"
Description: ""
Resources:
  SnsTopicMetricFilterCloudWatchAlarm:
    Type: "AWS::SNS::Topic"
    Properties:
      Subscription:
        - Endpoint: "email@example.com"
          Protocol: "email"
      TopicName: "alarm-action"
  CloudWatchAlarm:
    Type: "AWS::CloudWatch::Alarm"
    Properties:
      AlarmName: "cwalarm_vpntrafficout"
      AlarmDescription: "A CloudWatch Alarm that triggers when the traffic outgoing over a managed AWS VPN tunnel hits a certain threshold (Default: Less than 1,000,000 bytes in 15 minutes)."
      MetricName: "TunnelDataOut"
      Namespace: "AWS/VPN"
      Statistic: "Sum"
      Period: "900"
      EvaluationPeriods: "1"
      Threshold: "1000000"
      ComparisonOperator: "LessThanThreshold"
      AlarmActions:
        - Ref: "SnsTopicMetricFilterCloudWatchAlarm"
      Dimensions:
        - Name: "VpnId"
          Value: ""
Parameters: {}
Metadata: {}
Conditions: {}