feat: enhance CRD configuration with namespace handling and new variable for namespace creation

Author: jaygridley

.templatesyncignore

@@ -6,3 +6,4 @@ variables-addon-irsa.tf
 variables-addon-oidc.tf
 README.md
 .secrets.baseline
+addon.tf

crds.tf

@@ -10,15 +10,15 @@ module "crds" {
   enabled = local.crds_enabled
 
   # variable priority var.crds_* (provided by the module user) > local.crds.* (universal addon default override) > default (universal addon default)
-  namespace = "" # CRDs are cluster-wide resources
+  namespace = local.addon_namespace # CRDs are cluster-wide resources, but for a Helm release we need a namespace to be the same as the
 
   helm_enabled                    = var.crds_helm_enabled != null ? var.crds_helm_enabled : try(local.crds.helm_enabled, true)
   helm_release_name               = local.crds_helm_release_name
   helm_chart_name                 = local.crds_helm_chart_name
   helm_chart_version              = var.crds_helm_chart_version != null ? var.crds_helm_chart_version : local.crds.helm_chart_version
   helm_atomic                     = var.crds_helm_atomic != null ? var.crds_helm_atomic : try(local.crds.helm_atomic, false)
   helm_cleanup_on_fail            = var.crds_helm_cleanup_on_fail != null ? var.crds_helm_cleanup_on_fail : try(local.crds.helm_cleanup_on_fail, false)
-  helm_create_namespace           = false # CRDs are cluster-wide resources
+  helm_create_namespace           = var.crds_helm_create_namespace != null ? var.crds_helm_create_namespace : try(local.crds.helm_create_namespace, true)
   helm_dependency_update          = var.crds_helm_dependency_update != null ? var.crds_helm_dependency_update : try(local.crds.helm_dependency_update, false)
   helm_description                = var.crds_helm_description != null ? var.crds_helm_description : try(local.crds.helm_description, "")
   helm_devel                      = var.crds_helm_devel != null ? var.crds_helm_devel : try(local.crds.helm_devel, false)

main.tf

@@ -10,9 +10,17 @@ locals {
   crds = {
     name = "ingress-traefik-crds"
 
-    helm_chart_name    = "traefik-crds"
-    helm_chart_version = "1.2.0"
-    helm_repo_url      = "https://traefik.github.io/charts"
+    helm_chart_name       = "traefik-crds"
+    helm_chart_version    = "1.2.0"
+    helm_repo_url         = "https://traefik.github.io/charts"
+    helm_create_namespace = false # CRDs are cluster-wide resources
+
+    argo_sync_policy = {
+      automated = {}
+      syncOptions = [
+        "ServerSideApply=true"
+      ]
+    }
 
     argo_kubernetes_manifest_wait_fields = {
       "status.sync.status"   = "Synced"

variables-crds.tf

@@ -28,6 +28,12 @@ variable "crds_helm_repo_url" {
   description = "Helm repository (required)."
 }
 
+variable "crds_helm_create_namespace" {
+  type        = bool
+  default     = null
+  description = "Create the Namespace if it does not yet exist. Defaults to `true`."
+}
+
 variable "crds_settings" {
   type        = map(any)
   default     = null