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_vpntrafficin
      AlarmDescription: 'A CloudWatch Alarm that triggers when the traffic incoming over a managed AWS VPN tunnel hits a certain threshold (Default: Over 5,000,000 bytes in 15 minutes).'
      MetricName: TunnelDataIn
      Namespace: AWS/VPN
      Statistic: Sum
      Period: '900'
      EvaluationPeriods: '1'
      Threshold: '5000000'
      ComparisonOperator: GreaterThanOrEqualToThreshold
      AlarmActions:
        - Ref: SnsTopicMetricFilterCloudWatchAlarm
      Dimensions:
        - Name: VpnId
          Value: ''
Parameters: {}
Metadata: {}
Conditions: {}