fixed conditional creation and updated readme

blueprints/cloud-operations/quota-monitoring/README.md

@@ -28,7 +28,7 @@ Labels are set with project id (which may differ from the monitoring workspace p
 
 <img src="explorer.png" width="640px" alt="GCP Metrics Explorer, usage, limit and utilization view sample">
 
-The solution also creates a basic monitoring alert policy, to demonstrate how to raise alerts when quotas utilization goes over a predefined threshold.
+The solution can also create a basic monitoring alert policy, to demonstrate how to raise alerts when quotas utilization goes over a predefined threshold, to enable it, set variable `alert_create` to true and reapply main.tf after main.py has run at least one and quota monitoring metrics have been creaed.
 
 ## Running the blueprint
 

blueprints/cloud-operations/quota-monitoring/main.tf

@@ -106,8 +106,9 @@ resource "google_project_iam_member" "quota_viewer" {
   member   = module.cf.service_account_iam_email
 }
 
-var.create_alert ? {
+
 resource "google_monitoring_alert_policy" "alert_policy" {
+  count        = var.alert_create ? 1 : 0 
   project      = module.project.project_id
   display_name = "Quota monitor"
   combiner     = "OR"
@@ -137,7 +138,7 @@ var.create_alert ? {
     content = "GCE cpus quota over threshold."
   }
 }
-}
+
 
 resource "random_pet" "random" {
   length = 1

blueprints/cloud-operations/quota-monitoring/variables.tf

@@ -14,18 +14,18 @@
  * limitations under the License.
  */
 
+variable "alert_create" {
+  description = "Enables the creation of a sample monitoring alert, false by default."
+  type        = bool
+  default     = false
+}
+
 variable "bundle_path" {
   description = "Path used to write the intermediate Cloud Function code bundle."
   type        = string
   default     = "./bundle.zip"
 }
 
-variable "create_alert" {
-  description = "Enables the creation of a sample monitoring alert, false by default."
-  type        = bool
-  default     = false
-}
-
 variable "name" {
   description = "Arbitrary string used to name created resources."
   type        = string