Support connection_limit per role (#11)

Author: tun0

roles.tf

@@ -28,7 +28,7 @@ resource "postgresql_role" "role" {
   login                     = true
   replication               = false
   bypass_row_level_security = false
-  connection_limit          = -1
+  connection_limit          = coalesce(each.value.connection_limit, -1)
   encrypted_password        = true
   password                  = random_password.role[each.key].result
   roles = concat(

variables.tf

@@ -5,7 +5,8 @@ variable "legacy_writers" {
 
 variable "roles" {
   type = map(object({
-    databases_ro = list(string)
-    databases_rw = list(string)
+    connection_limit = optional(number)
+    databases_ro     = list(string)
+    databases_rw     = list(string)
   }))
 }