made alert creation optional

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

@@ -106,34 +106,36 @@ resource "google_project_iam_member" "quota_viewer" {
   member   = module.cf.service_account_iam_email
 }
 
-resource "google_monitoring_alert_policy" "alert_policy" {
-  project      = module.project.project_id
-  display_name = "Quota monitor"
-  combiner     = "OR"
-  conditions {
-    display_name = "simple quota threshold for cpus utilization"
-    condition_threshold {
-      filter          = "metric.type=\"custom.googleapis.com/quota/cpus_utilization\" resource.type=\"global\""
-      threshold_value = 0.75
-      comparison      = "COMPARISON_GT"
-      duration        = "0s"
-      aggregations {
-        alignment_period   = "60s"
-        group_by_fields    = []
-        per_series_aligner = "ALIGN_MEAN"
-      }
-      trigger {
-        count   = 1
-        percent = 0
+var.create_alert ? {
+  resource "google_monitoring_alert_policy" "alert_policy" {
+    project      = module.project.project_id
+    display_name = "Quota monitor"
+    combiner     = "OR"
+    conditions {
+      display_name = "simple quota threshold for cpus utilization"
+      condition_threshold {
+        filter          = "metric.type=\"custom.googleapis.com/quota/cpus_utilization\" resource.type=\"global\""
+        threshold_value = 0.75
+        comparison      = "COMPARISON_GT"
+        duration        = "0s"
+        aggregations {
+          alignment_period   = "60s"
+          group_by_fields    = []
+          per_series_aligner = "ALIGN_MEAN"
+        }
+        trigger {
+          count   = 1
+          percent = 0
+        }
       }
     }
-  }
-  enabled = false
-  user_labels = {
-    name = var.name
-  }
-  documentation {
-    content = "GCE cpus quota over threshold."
+    enabled = false
+    user_labels = {
+      name = var.name
+    }
+    documentation {
+      content = "GCE cpus quota over threshold."
+    }
   }
 }
 

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

@@ -20,6 +20,12 @@ variable "bundle_path" {
   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