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Custom Role Analyzer

Custom role analysis

While working with custom roles once created it is hard to find out if those roles are based out of any of the predefined roles. In custom roles you will see a set of permissions as it is possible that many roles have common permissions. Also there is limit for number of custom roles at org or project level.

This tool will provide useful insights with respect to custom roles at organization level as well as project level. Using these insights customers can decide which custom role can be replaced with predefinded role/roles. It will print results in file which contains following fields:

  1. Custom Role - Name of the custom role.
  2. Parent - Parent of the custom role. It can be an organization or project.
  3. List of predefined roles - List of predefined roles by which this custom role is made of.
  4. Additional permissions required - Any additional permission apart from predefined roles we need to rebuild this custom role.
  5. No of additional permissions - Total number of additional permissions required to rebuild this custom role.
  6. No of original permissions - Total number of permissions originally this custom role has.
  7. Is Exact Match - If this custom role matches exactly to 1 or more predefined roles then it is set to True otherwise false.

It provides results in CSV or JSON format. Default is CSV.

Getting Started

Requirements:

  • Java 11
  • Maven 3
  • GCP roles for custom role analysis - roles/iam.organizationRoleViewer and roles/resourcemanager.folderViewer at org level.
  • APIs to enable for custom role analysis - Cloud Resource Manager API needs to be enabled for the project from which the service account is created.

Please set export GOOGLE_APPLICATION_CREDENTIALS=<service-account.json> before executing analyze.sh script.

Building the Project

Build and package the entire project using the maven package command.

mvn clean install

This will create an executable jar inside the target folder which will be used from the analyze.sh script.

Running the tool

Run following command:

analyze.sh --org <org_id> --format <format> --role-analysis

Parameters:
--org : GCP Organization Id (mandatory parameter).
--format : Result format (optional parameter; defaults to csv and supports json).
--role-analysis : Run custom role analysis (Optional parameter; default to custom role analysis).
You can simply run as follows to get default format and custom role analysis:

analyze.sh --org <org_id>

Assumptions

  • It is assumed that custom roles do not have any "TESTING" stage permissions. If it does then those will be shown as Additional permissions required column in the result and Is Exact Match will be set to false.