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A terraform module to enforce MFA for AWS groups and users

Home Page: https://registry.terraform.io/modules/jeromegamez/enforce-mfa

License: MIT License

HCL 100.00%

terraform terraform-modules aws aws-iam terraform-module hashicorp-terraform mfa

terraform-aws-enforce-mfa's Introduction

AWS MFA Terraform module

Terraform module to enforce MFA for AWS groups and users.

This module implements the instructions provided in the AWS Documentation: Enable Your Users to Configure Their Own Credentials and MFA Settings.

This version of the module uses terraform v0.12.x. If you want to use a previous version of terraform please use the release 1.0.0 of this module.

Usage

resource "aws_iam_group" "mfa_group" {
  name = "MFAGroup"
}

resource "aws_iam_user" "mfa_user" {
  name = "MFAUser"
}

module "aws-enforce-mfa" {
  source = "jeromegamez/enforce-mfa/aws"
  groups = [aws_iam_group.mfa_group.name]
  users  = [aws_iam_user.mfa_user.name]
}

Module input variables

groups Enforce MFA for the members in these groups (Default: [])
users Enforce MFA for these users (Default: [])
allow_password_change_without_mfa (Default: false)

License

MIT licensed. See LICENSE for full details.

terraform-aws-enforce-mfa's People

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bloxroute-labs ainestal amitgera ginnigarg finlegal devops-best-practices arsport kcmoffat rajneshsiwal xjuggl3r joariasl csillab ryanoatz99 asmtal villeneuve-porto duomaxwellr ecogit-stage

terraform-aws-enforce-mfa's Issues

Terraform access

Hi!

After i add the enforceMFA then i don't have access with terraform for adding or removing resources.

Error: reading IAM Group (MFAGroup): AccessDenied: User: arn:aws:iam::804545353:user/testuser is not authorized to perform: iam:GetGroup on resource: group MFAGroup with an explicit deny in an identity-based policy

How do i still enforceMFA for the user and also have programmatic access for creating and deleting resources?

Option to not enforce MFA for API calls

After trying the enforced policy there are lots of reports of users complaining about being unable to run automated tasks.

The current policies apply to all the AWS interactions needing to contain MFA. That also is true for all the API calls.

Changing all the automated tasks to be able to use MFA is difficult in most of the cases and impossible in some others, specially with 'machine' users.

A fix would be to change the following part of the policy:

condition {
  test     = "Bool"
  variable = "aws:MultiFactorAuthPresent"
  values   = [
    "false",
  ]
}

It would be nice to have a variable that enables/disables MFA for API calls.

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