adding force upgrade block

Author: taustgen

v4/main_override.tf

@@ -273,6 +273,16 @@ resource "azurerm_kubernetes_cluster" "main" {
       snapshot_controller_enabled = var.storage_profile_snapshot_controller_enabled
     }
   }
+
+  dynamic "upgrade_override" {
+    for_each = var.upgrade_override != null ? ["use_upgrade_override"] : []
+    content {
+      effective_until       = var.upgrade_override.effective_until
+      force_upgrade_enabled = var.upgrade_override.force_upgrade_enabled
+    }
+
+  }
+
   dynamic "web_app_routing" {
     for_each = var.web_app_routing == null ? [] : ["web_app_routing"]
 
@@ -292,4 +302,4 @@ resource "azurerm_kubernetes_cluster" "main" {
       network_profile[0].load_balancer_profile[0].outbound_ip_prefix_ids,
     ]
   }
-}
+}

v4/variables_override.tf

@@ -220,4 +220,16 @@ variable "service_mesh_profile" {
     `internal_ingress_gateway_enabled` - (Optional) Is Istio Internal Ingress Gateway enabled? Defaults to `true`.
     `external_ingress_gateway_enabled` - (Optional) Is Istio External Ingress Gateway enabled? Defaults to `true`.
   EOT
-}
+}
+
+variable "upgrade_override" {
+  type = object({
+    force_upgrade_enabled = bool
+    effective_until       = optional(string)
+  })
+  default     = null
+  description = <<-EOT
+    `force_upgrade_enabled` - (Required) Whether to force upgrade the cluster. Possible values are `true` or `false`.
+    `effective_until` - (Optional) Specifies the duration, in RFC 3339 format (e.g., `2025-10-01T13:00:00Z`), the upgrade_override values are effective. This field must be set for the `upgrade_override` values to take effect. The date-time must be within the next 30 days.
+  EOT
+}

variables.tf

@@ -1529,6 +1529,18 @@ variable "ultra_ssd_enabled" {
   description = "(Optional) Used to specify whether the UltraSSD is enabled in the Default Node Pool. Defaults to false."
 }
 
+variable "upgrade_override" {
+  type = object({
+    force_upgrade_enabled = bool
+    effective_until       = optional(string)
+  })
+  default     = null
+  description = <<-EOT
+    `force_upgrade_enabled` - (Required) Whether to force upgrade the cluster. Possible values are `true` or `false`.
+    `effective_until` - (Optional) Specifies the duration, in RFC 3339 format (e.g., `2025-10-01T13:00:00Z`), the upgrade_override values are effective. This field must be set for the `upgrade_override` values to take effect. The date-time must be within the next 30 days.
+  EOT
+}
+
 variable "vnet_subnet_id" {
   type        = string
   default     = null