Mark vcenter field in VMware cluster resource as default from api (#12624) (#9011)

[upstream:83f6af95fd6566e929cb4344b77e61d0b267ef85]

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

Author: modular-magician

.changelog/12624.txt

@@ -0,0 +1,3 @@
+```release-note: bug
+gkeonprem: fixed by marking `vcenter` field in `google_gkeonprem_vmware_cluster` as default from api to ignore the diffs for update
+```

google-beta/services/gkeonprem/resource_gkeonprem_vmware_cluster.go

@@ -638,6 +638,7 @@ Enabled by default.`,
 			},
 			"vcenter": {
 				Type:     schema.TypeList,
+				Computed: true,
 				Optional: true,
 				Description: `VmwareVCenterConfig specifies vCenter config for the user cluster.
 Inherited from the admin cluster.`,
@@ -646,36 +647,43 @@ Inherited from the admin cluster.`,
 					Schema: map[string]*schema.Schema{
 						"ca_cert_data": {
 							Type:        schema.TypeString,
+							Computed:    true,
 							Optional:    true,
 							Description: `Contains the vCenter CA certificate public key for SSL verification.`,
 						},
 						"cluster": {
 							Type:        schema.TypeString,
+							Computed:    true,
 							Optional:    true,
 							Description: `The name of the vCenter cluster for the user cluster.`,
 						},
 						"datacenter": {
 							Type:        schema.TypeString,
+							Computed:    true,
 							Optional:    true,
 							Description: `The name of the vCenter datacenter for the user cluster.`,
 						},
 						"datastore": {
 							Type:        schema.TypeString,
+							Computed:    true,
 							Optional:    true,
 							Description: `The name of the vCenter datastore for the user cluster.`,
 						},
 						"folder": {
 							Type:        schema.TypeString,
+							Computed:    true,
 							Optional:    true,
 							Description: `The name of the vCenter folder for the user cluster.`,
 						},
 						"resource_pool": {
 							Type:        schema.TypeString,
+							Computed:    true,
 							Optional:    true,
 							Description: `The name of the vCenter resource pool for the user cluster.`,
 						},
 						"storage_policy_name": {
 							Type:        schema.TypeString,
+							Computed:    true,
 							Optional:    true,
 							Description: `The name of the vCenter storage policy for the user cluster.`,
 						},