add availability type var

Author: aschiavon91

main.tf

@@ -35,6 +35,7 @@ resource "google_sql_database_instance" "default" {
     pricing_plan                = "${var.pricing_plan}"
     replication_type            = "${var.replication_type}"
     database_flags              = ["${var.database_flags}"]
+    availability_type           = "${var.availability_type}"
   }
 
   replica_configuration = ["${var.replica_configuration}"]

variables.tf

@@ -143,3 +143,8 @@ variable replica_configuration {
   type        = "list"
   default     = []
 }
+
+variable availability_type {
+  description = "This specifies whether a PostgreSQL instance should be set up for high availability (REGIONAL) or single zone (ZONAL)."
+  default     = "ZONAL"
+}