fix(cce): deprecate parameter support_istio in cluster (#6136)

Author: Jason-Zhang9309

docs/resources/cce_cluster.md

@@ -286,9 +286,6 @@ The following arguments are supported:
 * `ipv6_enable` - (Optional, Bool, ForceNew) Specifies whether to enable IPv6 in the cluster.
   Changing this parameter will create a new cluster resource.
 
-* `support_istio` - (Optional, Bool, ForceNew) Specifies whether to support Istio in the cluster.
-  Changing this parameter will create a new cluster resource.
-
 * `extend_params` - (Optional, List, ForceNew) Specifies the extended parameter.
   The [object](#cce_cluster_extend_params) structure is documented below.
   Changing this parameter will create a new cluster resource.
@@ -418,6 +415,8 @@ In addition to all arguments above, the following attributes are exported:
 
 * `kube_config_raw` - Raw Kubernetes config to be used by kubectl and other compatible tools.
 
+* `support_istio` - Whether Istio is supported in the cluster.
+
 The `certificate_clusters` block supports:
 
 * `name` - The cluster name.

huaweicloud/services/cce/resource_huaweicloud_cce_cluster.go

@@ -342,12 +342,6 @@ func ResourceCluster() *schema.Resource {
 				ForceNew: true,
 				Computed: true,
 			},
-			"support_istio": {
-				Type:     schema.TypeBool,
-				Optional: true,
-				ForceNew: true,
-				Computed: true,
-			},
 			"tags": common.TagsSchema(),
 
 			// charge info: charging_mode, period_unit, period, auto_renew, auto_pay
@@ -386,6 +380,14 @@ func ResourceCluster() *schema.Resource {
 				Type:     schema.TypeString,
 				Computed: true,
 			},
+			"support_istio": {
+				Type:     schema.TypeBool,
+				Optional: true,
+				Computed: true,
+				Description: utils.SchemaDesc("", utils.SchemaDescInput{
+					Computed: true,
+				}),
+			},
 			"certificate_clusters": {
 				Type:     schema.TypeList,
 				Computed: true,
@@ -697,7 +699,6 @@ func resourceClusterCreate(ctx context.Context, d *schema.ResourceData, meta int
 			CustomSan:     utils.ExpandToStringList(d.Get("custom_san").([]interface{})),
 			IPv6Enable:    d.Get("ipv6_enable").(bool),
 			KubeProxyMode: d.Get("kube_proxy_mode").(string),
-			SupportIstio:  d.Get("support_istio").(bool),
 		},
 	}