Worked around a problem with the AWS provider where iops have to be specified even if the mode is AUTOMATIC.

Author: kcantrel

Terraform/deploy-fsx-ontap/module/main.tf

@@ -32,7 +32,7 @@ resource "aws_fsx_ontap_file_system" "terraform-fsxn" {
   dynamic "disk_iops_configuration" {
     for_each = var.disk_iops_configuration != null ? [var.disk_iops_configuration] : []
     content {
-      iops = (disk_iops_configuration.value["iops"] != null ? disk_iops_configuration.value["iops"] : 0)
+      iops = disk_iops_configuration.value["iops"]
       mode = disk_iops_configuration.value["mode"]
     }
   }

Terraform/deploy-fsx-ontap/module/variables.tf

@@ -114,10 +114,11 @@ variable "daily_backup_start_time" {
 }
 
 variable "disk_iops_configuration" {
-  description = "The SSD IOPS configuration for the Amazon FSx for NetApp ONTAP file system"
+  description = "The SSD IOPS configuration for the file system. Valid modes are "AUTOMATIC (3 iops per GB provided) or USER_PROVISIONED with a maxmimum of 160,000 iops. Note, both 'mode' and 'iops' are required, so if setting to AUTOMATIC, set iops to null."
   type        = map(any)
   default     = {
     mode = "AUTOMATIC"
+    iops = null
   }
 }