CloudTrail not integrated with CloudWatch

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Metadata

Id: ebb2118a-03bc-4d53-ab43-d8750f5cb8d3

Cloud Provider: AWS

Platform: Ansible

Severity: Low

Category: Observability

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Description

CloudTrail must be integrated with CloudWatch Logs so events are available for real-time detection, alerting, and centralized log analysis, and so forensic evidence is retained for incident investigation.

For Ansible tasks using the amazon.aws.cloudtrail or cloudtrail modules, the cloudwatch_logs_role_arn and cloudwatch_logs_log_group_arn properties must be defined. cloudwatch_logs_role_arn should be an IAM role ARN that allows CloudTrail to publish to CloudWatch Logs. cloudwatch_logs_log_group_arn should reference the destination Log Group ARN. Tasks missing either property are flagged.

Secure configuration example:

- name: Create CloudTrail with CloudWatch Logs integration
  amazon.aws.cloudtrail:
    name: my-trail
    s3_bucket_name: my-bucket
    is_multi_region_trail: yes
    cloudwatch_logs_role_arn: arn:aws:iam::123456789012:role/CloudTrail_CloudWatch_Logs_Role
    cloudwatch_logs_log_group_arn: arn:aws:logs:us-east-1:123456789012:log-group:/aws/cloudtrail

Compliant Code Examples

- name: create multi-region trail with validation and tags negative
  amazon.aws.cloudtrail:
    state: present
    name: default
    s3_bucket_name: mylogbucket
    region: us-east-1
    is_multi_region_trail: true
    enable_log_file_validation: true
    cloudwatch_logs_role_arn: "arn:aws:iam::123456789012:role/CloudTrail_CloudWatchLogs_Role"
    cloudwatch_logs_log_group_arn: "arn:aws:logs:us-east-1:123456789012:log-group:CloudTrail/DefaultLogGroup:*"
    kms_key_id: "alias/MyAliasName"
    tags:
      environment: dev
      Name: default

Non-Compliant Code Examples

- name: positive1
  amazon.aws.cloudtrail:
    state: present
    name: default
    s3_bucket_name: mylogbucket
    region: us-east-1
    is_multi_region_trail: true
    enable_log_file_validation: true
    kms_key_id: "alias/MyAliasName"
    tags:
      environment: dev
      Name: default
- name: positive2
  amazon.aws.cloudtrail:
    state: present
    name: default
    s3_bucket_name: mylogbucket
    region: us-east-1
    is_multi_region_trail: true
    enable_log_file_validation: true
    cloudwatch_logs_role_arn: "arn:aws:iam::123456789012:role/CloudTrail_CloudWatchLogs_Role"
    kms_key_id: "alias/MyAliasName"
    tags:
      environment: dev
      Name: default
- name: positive3
  amazon.aws.cloudtrail:
    state: present
    name: default
    s3_bucket_name: mylogbucket
    region: us-east-1
    is_multi_region_trail: true
    enable_log_file_validation: true
    cloudwatch_logs_log_group_arn: "arn:aws:logs:us-east-1:123456789012:log-group:CloudTrail/DefaultLogGroup:*"
    kms_key_id: "alias/MyAliasName"
    tags:
      environment: dev
      Name: default