project_hierarchy.tf

resource "google_project" "root" {
  name       = var.root_project_name
  project_id = var.root_project_id
  folder_id  = var.folder_id
}

resource "google_project_service" "root_iam" {
  project = google_project.root.project_id
  service = "iam.googleapis.com"

  disable_dependent_services = true
}

resource "google_folder" "folder" {
  count        = length(local.folders)
  display_name = local.folders[count.index].display_name
  parent       = "folders/${var.folder_id}"
}

locals {
  all_folder_attributes = [
    for folder in google_folder.folder[*] :
      {
        id           = folder.folder_id,
        display_name = folder.display_name
      }
  ]
}

resource "google_project" "project" {
  count = length(local.projects)

  name       = local.projects[count.index].name
  project_id = local.projects[count.index].id

  folder_id = [
    for folder in local.all_folder_attributes:
      folder.id if folder.display_name == local.projects[count.index].folder
  ][0]
}

locals {
  all_project_attributes = [
    for project in google_project.project[*] :
      {
        id        = project.project_id,
        name      = project.name
        folder_id = project.folder_id
      }
  ]
}