Added additional backup settings

modules/cloudsql-instance/main.tf

@@ -77,6 +77,13 @@ resource "google_sql_database_instance" "primary" {
         ? var.backup_configuration.binary_log_enabled || local.has_replicas
         : null
       )
+      start_time                     = var.backup_configuration.start_time
+      location                       = var.backup_configuration.location
+      transaction_log_retention_days = var.backup_configuration.log_retention_days
+      backup_retention_settings {
+        retained_backups = var.backup_retention_settings.retained_backups
+        retention_unit   = var.backup_retention_settings.retention_unit
+      }
     }
 
     dynamic "database_flags" {

modules/cloudsql-instance/variables.tf

@@ -31,10 +31,28 @@ variable "backup_configuration" {
   type = object({
     enabled            = bool
     binary_log_enabled = bool
+    start_time         = string
+    location           = string
+    log_retention_days = number
   })
   default = {
     enabled            = false
     binary_log_enabled = false
+    start_time         = "23:00"
+    location           = "EU"
+    log_retention_days = 7
+  }
+}
+
+variable "backup_retention_settings" {
+  description = "Backup retention subblock settings."
+  type = object({
+    retained_backups = number
+    retention_unit   = string
+  })
+  default = {
+    retained_backups = 7
+    retention_unit   = "COUNT"
   }
 }