iam-credential-report-iam-role.yaml

AWSTemplateFormatVersion: 2010-09-09
Description: Create the AWS IAM role in each account for the IAM Credential Report Blog Post

Metadata:
  AWS::CloudFormation::Interface:
    ParameterGroups:
      - Label:
          default: Role Attributes
        Parameters:
          - pIAMRoleName
          - pOrgPrimaryLambdaRoleArn
          - pTagKey1
          - pTagValue1

    ParameterLabels:
      pIAMRoleName:
        default: Credential Report IAM Role Name
      pOrgPrimaryLambdaRoleArn:
        default: Organization Primary Lambda Role Arn
      pTagKey1:
        default: Credential Report Role Tag Key
      pTagValue1:
        default: Credential Report Role Tag Key Value

Parameters:
  pIAMRoleName:
    Type: String
    Description: IAM Role Name
    Default: iam-credential-report

  pOrgPrimaryLambdaRoleArn:
    Type: String
    Description: Organization Primary Account Lambda Role Arn

  pTagKey1:
    Type: String
    Description: Tag key
    Default: managed-by

  pTagValue1:
    Type: String
    Description: Tag key value
    Default: credential-cfn

Resources:
  rIAMCredentialReportRole:
    Type: AWS::IAM::Role
    Metadata:
      cfn_nag:
        rules_to_suppress:
          - id: W11
            reason: IAM role should not allow * resource on its permissions policy
          - id: F3
            reason: IAM role should not allow * resource on its permissions policy
    Properties:
      RoleName: !Ref pIAMRoleName
      AssumeRolePolicyDocument:
        Version: 2012-10-17
        Statement:
          - Effect: Allow
            Principal:
              AWS: !Ref pOrgPrimaryLambdaRoleArn
            Action: sts:AssumeRole
      Path: "/"
      Policies:
        - PolicyName: iam-credential-report-org-policy
          PolicyDocument:
            Version: 2012-10-17
            Statement:
              - Effect: Allow
                Action:
                  - "iam:GenerateCredentialReport"
                  - "iam:GetCredentialReport"
                Resource: "*"
      Tags:
        - Key: !Ref pTagKey1
          Value: !Ref pTagValue1

Outputs:
  oIAMCredentialReportRole:
    Description: IAMCredentialReportRoleArn
    Value: !GetAtt rIAMCredentialReportRole.Arn