Terraform module to provision an AWS CloudTrail.

The module accepts an encrypted S3 bucket with versioning to store CloudTrail logs.

The bucket could be from the same AWS account or from a different account.

This is useful if an organization uses a number of separate AWS accounts to isolate the Audit environment from other environments (production, staging, development).

In this case, you create CloudTrail in the production environment (production AWS account), while the S3 bucket to store the CloudTrail logs is created in the Audit AWS account, restricting access to the logs only to the users/groups from the Audit account.

This project is part of our comprehensive "SweetOps" approach towards DevOps.

It's 100% Open Source and licensed under the APACHE2.

We literally have hundreds of terraform modules that are Open Source and well-maintained. Check them out!

IMPORTANT: The master branch is used in source just as an example. In your code, do not pin to master because there may be breaking changes between releases. Instead pin to the release tag (e.g. ?ref=tags/x.y.z) of one of our latest releases.

module "cloudtrail" {
  source                        = "git::https://github.com/cloudposse/terraform-aws-cloudtrail.git?ref=master"
  namespace                     = "eg"
  stage                         = "dev"
  name                          = "cluster"
  enable_log_file_validation    = true
  include_global_service_events = true
  is_multi_region_trail         = false
  enable_logging                = true
  s3_bucket_name                = "my-cloudtrail-logs-bucket"
}

NOTE: To create an S3 bucket for CloudTrail logs, use terraform-aws-cloudtrail-s3-bucket module. It creates an S3 bucket and an IAM policy to allow CloudTrail logs.

module "cloudtrail" {
  source                        = "git::https://github.com/cloudposse/terraform-aws-cloudtrail.git?ref=master"
  namespace                     = "eg"
  stage                         = "dev"
  name                          = "cluster"
  enable_log_file_validation    = true
  include_global_service_events = true
  is_multi_region_trail         = false
  enable_logging                = true
  s3_bucket_name                = module.cloudtrail_s3_bucket.bucket_id
}

module "cloudtrail_s3_bucket" {
  source    = "git::https://github.com/cloudposse/terraform-aws-cloudtrail-s3-bucket.git?ref=master"
  namespace = "eg"
  stage     = "dev"
  name      = "cluster"
  region    = "us-east-1"
}

For a complete example, see examples/complete.

Available targets:

  help                                Help screen
  help/all                            Display help for all targets
  help/short                          This help short screen
  lint                                Lint terraform code

list(object({
    include_management_events = bool
    read_write_type           = string

    data_resource = list(object({
      type   = string
      values = list(string)
    }))
  }))

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Check out these related projects.

• terraform-aws-cloudtrail-cloudwatch-alarms - Terraform module for creating alarms for tracking important changes and occurances from cloudtrail.
• terraform-aws-cloudtrail-s3-bucket - S3 bucket with built in IAM policy to allow CloudTrail logs
• terraform-aws-s3-log-storage - This module creates an S3 bucket suitable for receiving logs from other AWS services such as S3, CloudFront, and CloudTrail

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Copyright © 2017-2020 Cloud Posse, LLC

See LICENSE for full details.

Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
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