A Terraform module that creates IAM role with provided JSON IAM polices documents.

• If var.enabled set false the module can be used as IAM Policy Document Aggregator because output.policy always aggregates var.policy_documents
• List size var.policy_documents limited to 10

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!

Security scanning is graciously provided by Bridgecrew. Bridgecrew is the leading fully hosted, cloud-native solution providing continuous Terraform security and compliance.

Benchmark	Description
	Infrastructure Security Compliance
	Center for Internet Security, KUBERNETES Compliance
	Center for Internet Security, AWS Compliance
	Center for Internet Security, AZURE Compliance
	Payment Card Industry Data Security Standards Compliance
	National Institute of Standards and Technology Compliance
	Information Security Management System, ISO/IEC 27001 Compliance
	Service Organization Control 2 Compliance
	Center for Internet Security, GCP Compliance
	Health Insurance Portability and Accountability Compliance

IMPORTANT: We do not pin modules to versions in our examples because of the difficulty of keeping the versions in the documentation in sync with the latest released versions. We highly recommend that in your code you pin the version to the exact version you are using so that your infrastructure remains stable, and update versions in a systematic way so that they do not catch you by surprise.

Also, because of a bug in the Terraform registry (hashicorp/terraform#21417), the registry shows many of our inputs as required when in fact they are optional. The table below correctly indicates which inputs are required.

This example creates a role with the name eg-prod-app with permission to grant read-write access to S3 bucket, and gives permission to the entities specified in principals_arns to assume the role.

  data "aws_iam_policy_document" "resource_full_access" {
    statement {
      sid       = "FullAccess"
      effect    = "Allow"
      resources = ["arn:aws:s3:::bucketname/path/*"]

      actions = [
        "s3:PutObject",
        "s3:PutObjectAcl",
        "s3:GetObject",
        "s3:DeleteObject",
        "s3:ListBucket",
        "s3:ListBucketMultipartUploads",
        "s3:GetBucketLocation",
        "s3:AbortMultipartUpload"
      ]
    }
  }

  data "aws_iam_policy_document" "base" {
    statement {
      sid = "BaseAccess"

      actions = [
        "s3:ListBucket",
        "s3:ListBucketVersions"
      ]

      resources = ["arn:aws:s3:::bucketname"]
      effect    = "Allow"
    }
  }

  module "role" {
    source     = "git::https://github.com/cloudposse/terraform-aws-iam-role.git?ref=master"

    enabled   = true
    namespace = "eg"
    stage     = "prod"
    name      = "app"

    policy_description = "Allow S3 FullAccess"
    role_description   = "IAM role with permissions to perform actions on S3 resources"

    principals = {
      AWS = ["arn:aws:iam::123456789012:role/workers"]
    }

    policy_documents = [
      data.aws_iam_policy_document.resource_full_access.json,
      data.aws_iam_policy_document.base.json
    ]
  }

For a complete example, see examples/complete.

For automated tests of the complete example using bats and Terratest (which tests and deploys the example on AWS), see test.

{
  "additional_tag_map": {},
  "attributes": [],
  "delimiter": null,
  "enabled": true,
  "environment": null,
  "id_length_limit": null,
  "label_key_case": null,
  "label_order": [],
  "label_value_case": null,
  "name": null,
  "namespace": null,
  "regex_replace_chars": null,
  "stage": null,
  "tags": {}
}

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Check out these related projects.

• terraform-aws-iam-policy-document-aggregator - Terraform module to aggregate multiple IAM policy documents into single policy document
• terraform-aws-iam-chamber-s3-role - Terraform module to provision an IAM role with configurable permissions to access S3 as chamber backend

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