feat: max db connections flag

Author: adityachoudhari26

main.tf

@@ -31,6 +31,8 @@ module "database" {
 
   deletion_protection = var.deletion_protection
 
+  max_database_connections = var.max_database_connections
+
   depends_on = [module.networking]
 }
 

modules/database/main.tf

@@ -29,6 +29,14 @@ resource "google_sql_database_instance" "this" {
     insights_config {
       query_insights_enabled = true
     }
+
+    dynamic "database_flags" {
+      for_each = var.max_database_connections != "" ? [1] : []
+      content {
+        name  = "max_connections"
+        value = var.max_database_connections
+      }
+    }
   }
 }
 

modules/database/variables.tf

@@ -23,3 +23,9 @@ variable "deletion_protection" {
   description = "Whether to enable deletion protection for the database instance."
   type        = bool
 }
+
+variable "max_database_connections" {
+  description = "The maximum number of connections to the database"
+  type        = string
+  default     = ""
+}

variables.tf

@@ -20,6 +20,12 @@ variable "postgres_version" {
   default     = "POSTGRES_17"
 }
 
+variable "max_database_connections" {
+  description = "The maximum number of connections to the database"
+  type        = string
+  default     = ""
+}
+
 variable "redis_tier" {
   description = "The tier for the Redis instance"
   type        = string