AWSTemplateFormatVersion: '2010-09-09'
Description: ''
Resources:
  S3SharedBucket:
    Type: 'AWS::S3::Bucket'
    Properties:
      LoggingConfiguration: {}
      BucketEncryption:
        ServerSideEncryptionConfiguration:
          - ServerSideEncryptionByDefault:
              SSEAlgorithm: AES256
      VersioningConfiguration:
        Status: Suspended
      AccessControl: LogDeliveryWrite
      PublicAccessBlockConfiguration:
        BlockPublicAcls: true
        BlockPublicPolicy: true
        IgnorePublicAcls: true
        RestrictPublicBuckets: true
  BucketPolicy:
    Type: 'AWS::S3::BucketPolicy'
    Properties:
      Bucket:
        Ref: S3SharedBucket
      PolicyDocument:
        Version: '2012-10-17'
        Statement:
          - Principal:
              Service:
                - cloudtrail.amazonaws.com
                - config.amazonaws.com
            Action:
              - 's3:GetBucketAcl'
            Resource:
              - 'Fn::GetAtt':
                  - S3SharedBucket
                  - Arn
            Effect: Allow
            Condition: {}
          - Principal:
              Service:
                - cloudtrail.amazonaws.com
                - config.amazonaws.com
            Action:
              - 's3:PutObject'
            Resource:
              - 'Fn::Join':
                  - ''
                  - - ''
                    - 'Fn::GetAtt':
                        - S3SharedBucket
                        - Arn
                    - /*
            Effect: Allow
            Condition:
              StringEquals:
                's3:x-amz-acl': bucket-owner-full-control
    DependsOn: S3SharedBucket
  CloudTrail:
    Type: 'AWS::CloudTrail::Trail'
    Properties:
      TrailName: ManagementEventsTrail
      IsLogging: true
      EnableLogFileValidation: true
      EventSelectors:
        - IncludeManagementEvents: true
          ReadWriteType: All
      IsMultiRegionTrail: true
      IncludeGlobalServiceEvents: true
      S3BucketName:
        Ref: S3SharedBucket
      CloudWatchLogsLogGroupArn:
        'Fn::GetAtt':
          - CWLogGroupForCloudTrail
          - Arn
      CloudWatchLogsRoleArn:
        'Fn::GetAtt':
          - IamRoleForCwLogsCloudTrail
          - Arn
    DependsOn:
      - BucketPolicy
  IamRoleForCwLogsCloudTrail:
    Type: 'AWS::IAM::Role'
    Properties:
      AssumeRolePolicyDocument:
        Version: '2012-10-17'
        Statement:
          - Sid: ''
            Effect: Allow
            Principal:
              Service: cloudtrail.amazonaws.com
            Action: 'sts:AssumeRole'
      Policies:
        - PolicyName: allow-access-to-cw-logs
          PolicyDocument:
            Version: '2012-10-17'
            Statement:
              - Effect: Allow
                Action:
                  - 'logs:CreateLogStream'
                  - 'logs:PutLogEvents'
                Resource: '*'
  CWLogGroupForCloudTrail:
    Type: 'AWS::Logs::LogGroup'
    Properties:
      LogGroupName: CloudTrailLogs
      RetentionInDays: 90
  ConfigurationRecorder:
    Type: 'AWS::Config::ConfigurationRecorder'
    Properties:
      RoleARN:
        'Fn::GetAtt':
          - IamRoleForAwsConfig
          - Arn
      RecordingGroup:
        AllSupported: true
        IncludeGlobalResourceTypes: true
  DeliveryChannel:
    Type: 'AWS::Config::DeliveryChannel'
    Properties:
      S3BucketName:
        Ref: S3SharedBucket
  IamRoleForAwsConfig:
    Type: 'AWS::IAM::Role'
    Properties:
      ManagedPolicyArns:
        - 'arn:aws:iam::aws:policy/service-role/AWS_ConfigRole'
      AssumeRolePolicyDocument:
        Version: '2012-10-17'
        Statement:
          - Sid: ''
            Effect: Allow
            Principal:
              Service: config.amazonaws.com
            Action: 'sts:AssumeRole'
      Policies:
        - PolicyName: allow-access-to-config-s3-bucket
          PolicyDocument:
            Version: '2012-10-17'
            Statement:
              - Effect: Allow
                Action:
                  - 's3:PutObject'
                Resource:
                  - 'Fn::Join':
                      - ''
                      - - 'Fn::GetAtt':
                            - S3SharedBucket
                            - Arn
                        - /*
                Condition:
                  StringLike:
                    's3:x-amz-acl': bucket-owner-full-control
              - Effect: Allow
                Action:
                  - 's3:GetBucketAcl'
                Resource:
                  'Fn::GetAtt':
                    - S3SharedBucket
                    - Arn
      RoleName: iamRoleForAWSConfig
  SnsTopic1:
    Type: 'AWS::SNS::Topic'
    Properties:
      Subscription:
        - Endpoint: email@example.com
          Protocol: email
      TopicName: sns-topic
  ConfigRule1:
    Type: 'AWS::Config::ConfigRule'
    Properties:
      ConfigRuleName: cmk-backing-key-rotation-enabled
      Scope:
        ComplianceResourceTypes: []
      Description: 'A config rule that checks that key rotation is enabled for each customer master key (CMK). The rule is COMPLIANT, if the key rotation is enabled for specific key object. The rule is not applicable to CMKs that have imported key material.'
      Source:
        Owner: AWS
        SourceIdentifier: CMK_BACKING_KEY_ROTATION_ENABLED
      MaximumExecutionFrequency: TwentyFour_Hours
    DependsOn:
      - ConfigurationRecorder
  CwEvent1:
    Type: 'AWS::Events::Rule'
    Properties:
      Name: detect-config-rule-compliance-changes
      Description: A CloudWatch Event Rule that detects changes to AWS Config Rule compliance status and publishes change events to an SNS topic for notification.
      State: ENABLED
      Targets:
        - Arn:
            Ref: SnsTopic1
          Id: target-id1
      EventPattern:
        detail-type:
          - Config Rules Compliance Change
        source:
          - aws.config
  SnsTopicPolicyCwEvent1:
    Type: 'AWS::SNS::TopicPolicy'
    Properties:
      PolicyDocument:
        Statement:
          - Sid: __default_statement_ID
            Effect: Allow
            Principal:
              AWS: '*'
            Action:
              - 'SNS:GetTopicAttributes'
              - 'SNS:SetTopicAttributes'
              - 'SNS:AddPermission'
              - 'SNS:RemovePermission'
              - 'SNS:DeleteTopic'
              - 'SNS:Subscribe'
              - 'SNS:ListSubscriptionsByTopic'
              - 'SNS:Publish'
              - 'SNS:Receive'
            Resource:
              Ref: SnsTopic1
            Condition:
              StringEquals:
                'AWS:SourceOwner':
                  Ref: 'AWS::AccountId'
          - Sid: TrustCWEToPublishEventsToMyTopic
            Effect: Allow
            Principal:
              Service: events.amazonaws.com
            Action: 'sns:Publish'
            Resource:
              Ref: SnsTopic1
      Topics:
        - Ref: SnsTopic1
  CwAlarm1:
    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: SnsTopic1
      TreatMissingData: notBreaching
  MetricFilter1:
    Type: 'AWS::Logs::MetricFilter'
    Properties:
      LogGroupName:
        Ref: CWLogGroupForCloudTrail
      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: {}