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: {}