gcp.md

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• Google Cloud Platform Configuration
  • Multiple GCP Project Setup

Google Cloud Platform Configuration

Follow these steps to analyze GCP projects with Cartography.

1. Prepare your GCP credential(s).

   1. Create an identity - either a User Account or a Service Account - for Cartography to run as
   2. Ensure that this identity has the following roles (https://cloud.google.com/iam/docs/understanding-roles) attached to it:
      • roles/iam.securityReviewer
      • roles/resourcemanager.organizationViewer: needed to list/get GCP Organizations
      • roles/resourcemanager.folderViewer: needed to list/get GCP Folders
   3. Ensure that the machine you are running Cartography on can authenticate to this identity.
      • Method 1: You can do this by setting your GOOGLE_APPLICATION_CREDENTIALS environment variable to point to a json file containing your credentials. As per SecurityCommonSense™️, please ensure that only the user account that runs Cartography has read-access to this sensitive file.
      • Method 2: If you are running Cartography on a GCE instance or other GCP service, you can make use of the credential management provided by the default service accounts on these services. See the official docs on Application Default Credentials for more details.

Multiple GCP Project Setup

In order for Cartography to be able to pull all assets from all GCP Projects within an Organization, the User/Service Account assigned to Cartography needs to be created at the Organization level. This is because IAM access control policies applied on the Organization resource apply throughout the hierarchy on all resources in the organization.