added default value for minPortsPerVM field at "google_compute_router_nat" (#9712) (#6993)

* added default value for statis allocation

* setting the default from API

[upstream:3e85823b9bda72a1910ef6eabdf0b64ca6211de5]

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/9712.txt

@@ -0,0 +1,3 @@
+```release-note:bug
+compute: removed diff detection on `min_ports_per_vm` in `google_compute_router_nat` when the field is unset
+```

google-beta/services/compute/resource_compute_router_nat.go

@@ -308,8 +308,9 @@ This field can only be set when enableDynamicPortAllocation is enabled.`,
 			},
 			"min_ports_per_vm": {
 				Type:        schema.TypeInt,
+				Computed:    true,
 				Optional:    true,
-				Description: `Minimum number of ports allocated to a VM from this NAT.`,
+				Description: `Minimum number of ports allocated to a VM from this NAT. Defaults to 64 for static port allocation and 32 dynamic port allocation if not set.`,
 			},
 			"nat_ip_allocate_option": {
 				Type:         schema.TypeString,

website/docs/r/compute_router_nat.html.markdown

@@ -307,7 +307,7 @@ The following arguments are supported:
 
 * `min_ports_per_vm` -
   (Optional)
-  Minimum number of ports allocated to a VM from this NAT.
+  Minimum number of ports allocated to a VM from this NAT. Defaults to 64 for static port allocation and 32 dynamic port allocation if not set.
 
 * `max_ports_per_vm` -
   (Optional)