cfn-org-stackset-perms.yaml

AWSTemplateFormatVersion: '2010-09-09'


Metadata:
  Purpose:
    Description: This template is intended to be used in a stackset from a Organtization-delegated 
                 central IAM account.

  AWS::CloudFormation::Interface:
    
    ParameterGroups:
      - 
        Label:
          default: "StackSet IAM Role and Policy Parameters"
        Parameters:
          - DelegatedAdminAccountID

    ParameterLabels:
      DelegatedAdminAccountID:
        default: "Delegated Admin Account ID"

Parameters:

  DelegatedAdminAccountID:
    Type: Number
    ConstraintDescription: Must be a valid 12 digit AWS Account ID

Resources:

  AdministrationRole:
    Type: AWS::IAM::Role
    Properties:
      RoleName: AWSCloudFormationStackSetAdministrationRole
      AssumeRolePolicyDocument:
        Version: 2012-10-17
        Statement:
          - Effect: Allow
            Principal:
              Service: cloudformation.amazonaws.com
            Action:
              - sts:AssumeRole
      Path: /
      Policies:
        - PolicyName: AssumeRole-AWSCloudFormationStackSetExecutionRole
          PolicyDocument:
            Version: 2012-10-17
            Statement:
              - Effect: Allow
                Action:
                  - sts:AssumeRole
                Resource:
                  - "arn:*:iam::*:role/AWSCloudFormationStackSetExecutionRole"

  ExecutionRole:
    Type: AWS::IAM::Role
    Properties:
      RoleName: AWSCloudFormationStackSetExecutionRole
      AssumeRolePolicyDocument:
        Version: 2012-10-17
        Statement:
          - Effect: Allow
            Principal:
              AWS:
                - !Ref DelegatedAdminAccountID
            Action:
              - sts:AssumeRole
      Path: /
      ManagedPolicyArns:
        - !Sub arn:${AWS::Partition}:iam::aws:policy/AdministratorAccess