/terraform-aws-organization-access-role

Terraform module to create an IAM Role to grant permissions to delegated IAM users in the master account to access an invited member account

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terraform-aws-organization-access-role

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Terraform module to create an IAM Role to grant permissions to delegated IAM users in the master account to access an invited member account

https://docs.aws.amazon.com/organizations/latest/userguide/orgs_manage_accounts_access.html


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Screenshots

OrganizationAccountAccessRole Organization Account Access Role as Viewed from the AWS Web Console

Introduction

By default, when you create a member account as part of your Organization, AWS automatically creates OrganizationAccountAccessRole in the member account.

The role grants admin permissions to the member account to delegated IAM users in the master account.

However, member accounts that you invite to join your Organization do not automatically get the role created.

This module creates OrganizationAccountAccessRole role in an invited member account.

AWS recommends using the same name, OrganizationAccountAccessRole, for the created role for consistency and ease of remembering.


Usage

module "organization_access_role" {
  source            = "git::https://github.com/cloudposse/terraform-aws-organization-access-role.git?ref=master"
  master_account_id = "XXXXXXXXXXXX"
  role_name         = "OrganizationAccountAccessRole"
  policy_arn        = "arn:aws:iam::aws:policy/AdministratorAccess"

After the role has been created in the invited member account, login to the master account and create the following policy:

(change YYYYYYYYYYYY to the ID of the invited member account)

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "",
            "Effect": "Allow",
            "Action": [
                "sts:AssumeRole"
            ],
            "Resource": [
                "arn:aws:iam::YYYYYYYYYYYY:role/OrganizationAccountAccessRole"
            ]
        }
    ]
}

Then attach the policy to a master account Group that you want to delegate administration of the invited member account.

After that, users who are members of the Group in the master account will be able to assume the role and administer the invited member account by going here:

(change YYYYYYYYYYYY to the ID of the invited member account)

https://signin.aws.amazon.com/switchrole
                ?account=YYYYYYYYYYYY
                &roleName=OrganizationAccountAccessRole
                &displayName=Dev

NOTE: You can use terraform-aws-organization-access-group module to create an IAM Group and Policy to grant permissions to delegated IAM users in the Organization's master account to access a member account.

Makefile Targets

Available targets:

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

Inputs

Name Description Type Default Required
master_account_id The ID of the master account to grant permissions to access the current account string - yes
policy_arn Policy ARN to attach to the role. By default it attaches AdministratorAccess managed policy to grant full access to AWS services and resources in the current account string arn:aws:iam::aws:policy/AdministratorAccess no
role_name The name of the role to grant permissions to delegated IAM users in the master account to the current account string OrganizationAccountAccessRole no

Outputs

Name Description
role_arn The Amazon Resource Name (ARN) specifying the role
role_id The stable and unique string identifying the role
role_name The name of the crated role

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Related Projects

Check out these related projects.

  • terraform-aws-organization-access-group - Terraform module to create an IAM Group and Policy to grant permissions to delegated IAM users in the Organization's master account to access a member account

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Copyright

Copyright © 2017-2018 Cloud Posse, LLC

License

License

See LICENSE for full details.

Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
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regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
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  https://www.apache.org/licenses/LICENSE-2.0

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Contributors

Andriy Knysh
Andriy Knysh

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