Allow running user_kustomizations with just post-install actions and without kustomization.yaml

Author: vsalomaki

modules/user_kustomizations/locals.tf

@@ -1,7 +1,7 @@
 locals {
   sorted_kustomization_destination_folders = [
     for idx in sort([
-      for key, mod in module.user_kustomization_set : tonumber(key) if mod.files_count > 0
+      for key, mod in module.user_kustomization_set : tonumber(key)
     ]) :
     module.user_kustomization_set[tostring(idx)].destination_folder
   ]

modules/user_kustomizations/main.tf

@@ -42,8 +42,12 @@ resource "null_resource" "kustomization_user_deploy" {
       #!/bin/bash
       for dest_folder in ${join(" ", local.sorted_kustomization_destination_folders)}; do
         if [ -d "$dest_folder" ]; then
-          echo "Applying kustomization from $dest_folder"
-          kubectl apply -k "$dest_folder"
+          if [ -f "$dest_folder/kustomization.yaml" ]; then
+            echo "Applying kustomization from $dest_folder"
+            kubectl apply -k "$dest_folder"
+          else
+            echo "No kustomization.yaml in $dest_folder, skipping apply."
+          fi
           echo "Running post-install script from $dest_folder"
           /bin/bash "$dest_folder/postinstall.sh"
         fi