feat: Add tags on network interfaces (#1362)

modules/node_groups/launchtemplate.tf

@@ -98,6 +98,20 @@ resource "aws_launch_template" "workers" {
     )
   }
 
+  # Supplying custom tags to EKS instances ENI's  
+  tag_specifications {
+    resource_type = "network-interface"
+
+    tags = merge(
+      var.tags,
+      lookup(var.node_groups_defaults, "additional_tags", {}),
+      lookup(var.node_groups[each.key], "additional_tags", {}),
+      {
+        Name = lookup(each.value, "name", join("-", [var.cluster_name, each.key, random_pet.node_groups[each.key].id]))
+      }
+    )
+  }
+
   # Tag the LT itself
   tags = merge(
     var.tags,