feat: allows setting a description for the maintenance policy (#272)

Author: azen1k5

README.md

@@ -51,7 +51,7 @@ module "memorystore" {
 | enable\_apis | Flag for enabling redis.googleapis.com in your project | `bool` | `true` | no |
 | labels | The resource labels to represent user provided metadata. | `map(string)` | `null` | no |
 | location\_id | The zone where the instance will be provisioned. If not provided, the service will choose a zone for the instance. For STANDARD\_HA tier, instances will be created across two zones for protection against zonal failures. If [alternativeLocationId] is also provided, it must be different from [locationId]. | `string` | `null` | no |
-| maintenance\_policy | The maintenance policy for an instance. | <pre>object({<br>    day = string<br>    start_time = object({<br>      hours   = number<br>      minutes = number<br>      seconds = number<br>      nanos   = number<br>    })<br>  })</pre> | `null` | no |
+| maintenance\_policy | The maintenance policy for an instance. | <pre>object({<br>    description = optional(string)<br>    day         = string<br>    start_time = object({<br>      hours   = number<br>      minutes = number<br>      seconds = number<br>      nanos   = number<br>    })<br>  })</pre> | `null` | no |
 | memory\_size\_gb | Redis memory size in GiB. Defaulted to 1 GiB | `number` | `1` | no |
 | name | The ID of the instance or a fully qualified identifier for the instance. | `string` | n/a | yes |
 | persistence\_config | The Redis persistence configuration parameters. https://cloud.google.com/memorystore/docs/redis/reference/rest/v1/projects.locations.instances#persistenceconfig | <pre>object({<br>    persistence_mode    = string<br>    rdb_snapshot_period = string<br>  })</pre> | `null` | no |

main.tf

@@ -47,6 +47,7 @@ resource "google_redis_instance" "default" {
   dynamic "maintenance_policy" {
     for_each = var.maintenance_policy != null ? [var.maintenance_policy] : []
     content {
+      description = maintenance_policy.value["description"]
       weekly_maintenance_window {
         day = maintenance_policy.value["day"]
         start_time {

variables.tf

@@ -135,7 +135,8 @@ variable "maintenance_policy" {
   description = "The maintenance policy for an instance."
   # type = object(any)
   type = object({
-    day = string
+    description = optional(string)
+    day         = string
     start_time = object({
       hours   = number
       minutes = number