Feat mount data vol

ohpc-instance/main.tf

@@ -66,7+66,7 @@
   instance_id = openstack_compute_instance_v2.ohpc.id
   volume_id   = var.vol_id
 }
 
 output "id" {
     value = openstack_compute_instance_v2.ohpc.id
 }
@@ -74,7+74,7 @@
 output "ssh_host" {
     value = var.floating_ip_ohpc
 }
+
+output "device" {
+    value = openstack_compute_volume_attach_v2.volume_attach.device
+}