Add extra check for DNS and multi MT

Author: arnaudfroidmont

locals.tf

@@ -26,7 +26,7 @@ locals {
   //  subnet_id = var.use_existing_vcn ? var.private_subnet_id : element(concat(oci_core_subnet.private-subnet.*.id, [""]), 0)
   subnet_id = var.private_deployment ? var.use_existing_vcn ? var.private_subnet_id : element(concat(oci_core_subnet.private-subnet.*.id, [""]), 1) : var.use_existing_vcn ? var.private_subnet_id : element(concat(oci_core_subnet.private-subnet.*.id, [""]), 0)
 
-  nfs_source_IP = var.create_fss ? oci_dns_rrset.fss-dns-round-robin.domain : var.nfs_source_IP  
+  nfs_source_IP = var.create_fss ? oci_dns_rrset.fss-dns-round-robin[0].domain : var.nfs_source_IP  
   nfs_list_of_mount_target_IPs = var.create_fss ? "[\"${join("\",\"",oci_file_storage_mount_target.FSSMountTarget.*.ip_address)}\"]" : var.nfs_source_IP  
 
   // subnet id derived either from created subnet or existing if specified

network.tf

@@ -227,6 +227,7 @@ resource "oci_dns_rrset" "rrset-cluster-network-SLURM" {
 }
 
 resource "oci_dns_rrset" "fss-dns-round-robin" {
+  count           = var.create_fss && var.dns_entries ? 1 : 0
   zone_name_or_id = data.oci_dns_zones.dns_zones.zones[0].id
   domain          = "fss-${var.hostname_convention}.${local.zone_name}"
   rtype           = "A"

variables.tf

@@ -469,8 +469,8 @@ variable "create_fss" {
   type = bool
   }
 variable "mount_target_count" { 
-  default = "1"
-  type = string
+  default = 1
+  type = number
   }
 variable "fss_compartment" { 
   default = ""