Merge pull request #303 from terraform-google-modules/feature/api-example

Fix up API services module and example

Author: morgante

modules/project_services/examples/project_services/README.md renamed to examples/project_services/README.md

@@ -11,7 +11,7 @@ Expected variables:
 
 | Name | Description | Type | Default | Required |
 |------|-------------|:----:|:-----:|:-----:|
-| credentials\_path | Path to a service account credentials file with rights to run the Project Factory. If this file is absent Terraform will fall back to Application Default Credentials. | string | `""` | no |
+| enable | Actually enable the APIs listed | string | `"true"` | no |
 | project\_id | The GCP project you want to enable APIs on | string | n/a | yes |
 
 ## Outputs

modules/project_services/examples/project_services/main.tf renamed to examples/project_services/main.tf

@@ -14,32 +14,25 @@
  * limitations under the License.
  */
 
-locals {
-  credentials_file_path = var.credentials_path
-}
-
 /******************************************
   Provider configuration
  *****************************************/
 provider "google" {
-  credentials = file(local.credentials_file_path)
-  version     = "~> 2.18.1"
+  version = "~> 2.18.1"
 }
 
 provider "google-beta" {
-  credentials = file(local.credentials_file_path)
-  version     = "~> 2.18.1"
+  version = "~> 2.18.1"
 }
 
 module "project-services" {
-  source                      = "../../../../modules/project_services"
+  source                      = "../../modules/project_services"
   project_id                  = var.project_id
-  enable_apis                 = "true"
+  enable_apis                 = var.enable
   disable_services_on_destroy = "true"
 
   activate_apis = [
-    "compute.googleapis.com",
-    "iam.googleapis.com",
+    "sqladmin.googleapis.com",
+    "bigquery-json.googleapis.com",
   ]
 }
-

modules/project_services/examples/project_services/outputs.tf renamed to examples/project_services/outputs.tf

@@ -18,4 +18,3 @@ output "project_id" {
   value       = module.project-services.project_id
   description = "The GCP project you want to enable APIs on"
 }
-

modules/project_services/examples/project_services/variables.tf renamed to examples/project_services/variables.tf

@@ -14,12 +14,11 @@
  * limitations under the License.
  */
 
-variable "credentials_path" {
-  description = "Path to a service account credentials file with rights to run the Project Factory. If this file is absent Terraform will fall back to Application Default Credentials."
-  default     = ""
-}
-
 variable "project_id" {
   description = "The GCP project you want to enable APIs on"
 }
 
+variable "enable" {
+  description = "Actually enable the APIs listed"
+  default     = true
+}

modules/project_services/main.tf

@@ -14,11 +14,15 @@
  * limitations under the License.
  */
 
+locals {
+  api_set = var.enable_apis ? toset(var.activate_apis) : []
+}
+
 /******************************************
   APIs configuration
  *****************************************/
 resource "google_project_service" "project_services" {
-  for_each                   = toset([for api in var.activate_apis : api if var.enable_apis])
+  for_each                   = local.api_set
   project                    = var.project_id
   service                    = each.value
   disable_on_destroy         = var.disable_services_on_destroy

modules/project_services/outputs.tf

@@ -16,9 +16,5 @@
 
 output "project_id" {
   description = "The GCP project you want to enable APIs on"
-  value = element(
-    [for v in google_project_service.project_services : v.project],
-    0,
-  )
+  value       = var.enable_apis ? element([for v in google_project_service.project_services : v.project], 0) : var.project_id
 }
-