Add variable for agent auto updates

Author: danbarr

main.tf

@@ -78,6 +78,10 @@ resource "aws_ecs_task_definition" "tfc_agent" {
           {
             name  = "TFC_AGENT_LOG_LEVEL",
             value = var.agent_log_level
+          },
+          {
+            name  = "TFC_AGENT_AUTO_UPDATE",
+            value = var.agent_auto_update
           }
         ], var.extra_env_vars),
         secrets = [

variables.tf

@@ -44,6 +44,16 @@ variable "agent_single_execution" {
   default     = true
 }
 
+variable "agent_auto_update" {
+  type        = string
+  description = "Whether the agent should auto-update. Valid values are minor, patch, and disabled."
+  default     = "minor"
+  validation {
+    condition     = contains(["minor", "patch", "disabled"], var.agent_auto_update)
+    error_message = "Valid values: minor, patch, disabled"
+  }
+}
+
 variable "extra_env_vars" {
   type = list(object({
     name  = string