Terraform module to provision two IAM roles and two IAM groups for assuming the roles provided MFA is present, and add IAM users to the groups.
- Role and group with Administrator (full) access to AWS resources
- Role and group with Readonly access to AWS resources
To give a user administrator's access, add the user to the admin group.
To give a user readonly access, add the user to the readonly group.
Tip
Cloud Posse uses atmos to easily orchestrate multiple environments using Terraform.
Works with Github Actions, Atlantis, or Spacelift.
Watch demo of using Atmos with Terraform
Example of running
atmos to manage infrastructure from our Quick Start tutorial.
module "assumed_roles" {
source = "git::https://github.com/cloudposse/terraform-aws-iam-assumed-roles.git?ref=master"
namespace = "cp"
stage = "prod"
admin_name = "admin"
readonly_name = "readonly"
admin_user_names = ["User1","User2"] # Add these IAM users to the admin group
readonly_user_names = ["User3","User4"] # Add these IAM users to the readonly group
}Important
In Cloud Posse's examples, we avoid pinning modules to specific versions to prevent discrepancies between the documentation and the latest released versions. However, for your own projects, we strongly advise pinning each module to the exact version you're using. This practice ensures the stability of your infrastructure. Additionally, we recommend implementing a systematic approach for updating versions to avoid unexpected changes.
Available targets:
help Help screen
help/all Display help for all targets
help/short This help short screen
lint Lint terraform code
No requirements.
| Name | Version |
|---|---|
| aws | n/a |
| Name | Source | Version |
|---|---|---|
| admin_label | git::https://github.com/cloudposse/terraform-null-label.git | tags/0.3.3 |
| readonly_label | git::https://github.com/cloudposse/terraform-null-label.git | tags/0.3.3 |
| Name | Description | Type | Default | Required |
|---|---|---|---|---|
| admin_name | Name for the admin group and role (e.g. admin) |
string |
"admin" |
no |
| admin_user_names | Optional list of IAM user names to add to the admin group | list(string) |
[] |
no |
| attributes | Additional attributes (e.g. policy or role) |
list(string) |
[] |
no |
| delimiter | Delimiter to be used between namespace, stage, name, and attributes |
string |
"-" |
no |
| enabled | Set to false to prevent the module from creating any resources | string |
"true" |
no |
| namespace | Namespace (e.g. cp or cloudposse) |
string |
n/a | yes |
| readonly_name | Name for the readonly group and role (e.g. readonly) |
string |
"readonly" |
no |
| readonly_user_names | Optional list of IAM user names to add to the readonly group | list(string) |
[] |
no |
| stage | Stage (e.g. prod, dev, staging) |
string |
n/a | yes |
| switchrole_url | URL to the IAM console to switch to a role | string |
"https://signin.aws.amazon.com/switchrole?account=%s&roleName=%s&displayName=%s" |
no |
| tags | Additional tags (e.g. map(BusinessUnit,XYZ) |
map(string) |
{} |
no |
| Name | Description |
|---|---|
| group_admin_arn | Admin group ARN |
| group_admin_id | Admin group ID |
| group_admin_name | Admin group name |
| group_readonly_arn | Readonly group ARN |
| group_readonly_id | Readonly group ID |
| group_readonly_name | Readonly group name |
| role_admin_arn | Admin role ARN |
| role_admin_name | Admin role name |
| role_readonly_arn | Readonly role ARN |
| role_readonly_name | Readonly role name |
| switchrole_admin_url | URL to the IAM console to switch to the admin role |
| switchrole_readonly_url | URL to the IAM console to switch to the readonly role |
Check out these related projects.
- terraform-aws-iam-system-user - Terraform Module to Provision a Basic IAM System User Suitable for CI/CD Systems (E.g. TravisCI, CircleCI)
- terraform-aws-iam-chamber-user - Terraform module to provision a basic IAM chamber user with access to SSM parameters and KMS key to decrypt secrets, suitable for CI/CD systems (e.g. TravisCI, CircleCI, CodeFresh) or systems which are external to AWS that cannot leverage AWS IAM Instance Profiles
- terraform-aws-ssm-iam-role - Terraform module to provision an IAM role with configurable permissions to access SSM Parameter Store
- terraform-aws-iam-s3-user - Terraform module to provision a basic IAM user with permissions to access S3 resources, e.g. to give the user read/write/delete access to the objects in an S3 bucket
- terraform-aws-lb-s3-bucket - Terraform module to provision an S3 bucket with built in IAM policy to allow AWS Load Balancers to ship access logs
- 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
Tip
Use Cloud Posse's ready-to-go terraform architecture blueprints for AWS to get up and running quickly.
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