Question 1

How to set up permissions for Terraform Google Project Factory?

Accepted Answer

You need a service account with roles like resourcemanager.projectCreator and billing.user, and APIs must be enabled in a seed project. The README includes a helper script (setup-sa.sh) to automate this, but it requires additional permissions and setup steps.

Question 2

Project Factory vs manual gcloud commands for creating GCP projects?

Accepted Answer

Project Factory enforces best practices and integrates with Terraform for reproducible infrastructure, while gcloud commands are more manual and prone to inconsistencies. Use Project Factory for scale and compliance, but gcloud for quick, one-off setups.

Question 3

Can I delete the default compute service account with Project Factory?

Accepted Answer

Yes, by setting the default_service_account variable to 'delete', but be cautious of dependencies like App Engine or Cloud Scheduler that might require it, as noted in the Caveats section under 'Deleting default service accounts'.

Question 4

How to integrate Shared VPC with Project Factory?

Accepted Answer

Provide the svpc_host_project_id and shared_vpc_subnets variables; the module automatically attaches the project and grants networkUser roles. The README explains the logic for subnet-level or project-level access based on these inputs.

Question 5

What Terraform version is compatible with Project Factory?

Accepted Answer

It requires Terraform 1.3+ and is tested with 1.10+, but upgrading between major releases requires following detailed instructions in the docs, which can involve breaking changes.

Question 6

How to handle G Suite groups in Project Factory?

Accepted Answer

Use the separate gsuite_enabled module, as the core module only handles GCP APIs. This adds complexity and might require additional configuration and permissions.

terraform-google-project-factory

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