feat(terraform): add trigger_helm_update variable to control Helm cha…

…rt updates

Introduce a new variable `trigger_helm_update` to allow users to
trigger Helm chart updates. This enhances flexibility by enabling
conditional updates based on the variable's value.

main.tf

@@ -3,12 +3,12 @@ data "aws_eks_cluster_auth" "cluster" {
 }
 resource "null_resource" "helm_install" {
   triggers = {
-    chart_name    = var.chart_name
-    chart_version = var.chart_version
-    release_name  = var.release_name
-    namespace     = var.namespace
+    chart_name     = var.chart_name
+    chart_version  = var.chart_version
+    release_name   = var.release_name
+    namespace      = var.namespace
+    update_trigger = var.trigger_helm_update != null ? var.trigger_helm_update : "initial"
   }
-  # Add this data source after the existing aws_eks_cluster data source
 
   provisioner "local-exec" {
     command = <<-EOT

variables.tf

@@ -54,3 +54,8 @@ variable "set_values" {
   description = "A map of values to pass to the Helm chart"
   default     = {}
 }
+variable "trigger_helm_update" {
+  description = "Set this to any value to trigger a Helm chart update"
+  type        = string
+  default     = null
+}