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: "kms_key_operations"
      AlarmDescription: "A CloudWatch Alarm that triggers on changes to customer created CMKs: Key creation, deletion, or enabling/disabling operations, imported key material operations, as well as updates to CMK Key policies."
      MetricName: "KMSCustomerKeyUpdates"
      Namespace: "CloudTrailMetrics"
      Statistic: "Sum"
      Period: "60"
      EvaluationPeriods: "1"
      Threshold: "1"
      ComparisonOperator: "GreaterThanOrEqualToThreshold"
      AlarmActions:
        - Ref: "SnsTopicMetricFilterCloudWatchAlarm"
      TreatMissingData: "notBreaching"
  MetricFilterCloudWatchAlarm:
    Type: "AWS::Logs::MetricFilter"
    Properties:
      LogGroupName: ""
      FilterPattern: "{ ($.eventSource = kms.amazonaws.com) &&  (($.eventName=DisableKey) || ($.eventName=ScheduleKeyDeletion) || ($.eventName=CancelKeyDeletion) || ($.eventName=CreateKey) || ($.eventName=CreateAlias) || ($.eventName=EnableKey) || ($.eventName=PutKeyPolicy) || ($.eventName=ImportKeyMaterial) || ($.eventName=DeleteImportedKeyMaterial)) }"
      MetricTransformations:
        - MetricValue: "1"
          MetricNamespace: "CloudTrailMetrics"
          MetricName: "KMSCustomerKeyUpdates"
Parameters: {}
Metadata: {}
Conditions: {}