Make OCID property exportable after Oracle VMCluster creation (#27785)

* * Make OCID property exportable after VMCluster creation.
* Update doc to make it clear that hostname_actual is not intended to be used as input.

* * Add ocid to docs.

* * Move ocid to attributes.

internal/services/oracle/cloud_vm_cluster_resource.go

@@ -55,6 +55,7 @@ type CloudVmClusterResourceModel struct {
 	DataStoragePercentage    int64                        `tfschema:"data_storage_percentage"`
 	IsLocalBackupEnabled     bool                         `tfschema:"local_backup_enabled"`
 	IsSparseDiskgroupEnabled bool                         `tfschema:"sparse_diskgroup_enabled"`
+	Ocid                     string                       `tfschema:"ocid"`
 	TimeZone                 string                       `tfschema:"time_zone"`
 }
 
@@ -253,6 +254,11 @@ func (CloudVmClusterResource) Attributes() map[string]*pluginsdk.Schema {
 			Type:     pluginsdk.TypeString,
 			Computed: true,
 		},
+
+		"ocid": {
+			Type:     pluginsdk.TypeString,
+			Computed: true,
+		},
 	}
 }
 
@@ -437,6 +443,7 @@ func (CloudVmClusterResource) Read() sdk.ResourceFunc {
 					state.ClusterName = pointer.From(props.ClusterName)
 					state.DataCollectionOptions = FlattenDataCollectionOptions(props.DataCollectionOptions)
 					state.DataStoragePercentage = pointer.From(props.DataStoragePercentage)
+					state.Ocid = pointer.From(props.Ocid)
 					state.IsLocalBackupEnabled = pointer.From(props.IsLocalBackupEnabled)
 					state.IsSparseDiskgroupEnabled = pointer.From(props.IsSparseDiskgroupEnabled)
 					state.TimeZone = pointer.From(props.TimeZone)

website/docs/r/oracle_cloud_vm_cluster.html.markdown

@@ -93,8 +93,6 @@ The following arguments are supported:
 
 * `hostname` - (Required) The hostname for the Cloud VM Cluster without suffix.
 
-* `hostname_actual` - The hostname for the Cloud VM Cluster with suffix.
-
 * `license_model` - (Required) The Oracle license model that applies to the Cloud VM Cluster, either `BringYourOwnLicense` or `LicenseIncluded`.
 
 * `location` - (Required) The Azure Region where the Cloud VM Cluster should exist.
@@ -149,6 +147,10 @@ In addition to the Arguments listed above - the following Attributes are exporte
 
 * `id` - The ID of the Cloud VM Cluster.
 
+* `hostname_actual` - The hostname for the Cloud VM Cluster with suffix.
+
+* `ocid` - The [OCID](https://docs.cloud.oracle.com/iaas/Content/General/Concepts/identifiers.htm) of the Cloud VM Cluster.
+
 ## Timeouts
 
 The `timeouts` block allows you to specify [timeouts](https://www.terraform.io/language/resources/syntax#operation-timeouts) for certain actions: