fix: modify availability_zone (#2495)

* fix: modify availability_zone

* fix: modify doc

* feat: add 2495 changelog

Author: gitmkn

.changelog/2495.txt

@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/tencentcloud_mysql_instance: `availability_zone` modification supports error reporting
+```

tencentcloud/services/cdb/resource_tc_mysql_instance.go

@@ -239,7 +239,6 @@ func ResourceTencentCloudMysqlInstance() *schema.Resource {
 
 		"availability_zone": {
 			Type:        schema.TypeString,
-			ForceNew:    true,
 			Optional:    true,
 			Computed:    true,
 			Description: "Indicates which availability zone will be used.",
@@ -1258,6 +1257,10 @@ func mysqlAllInstanceRoleUpdate(ctx context.Context, d *schema.ResourceData, met
 	if d.HasChange("param_template_id") {
 		return fmt.Errorf("argument `param_template_id` cannot be modified for now")
 	}
+
+	if d.HasChange("availability_zone") {
+		return fmt.Errorf("argument `availability_zone` cannot be modified for now")
+	}
 	return nil
 }
 

website/docs/r/mysql_instance.html.markdown

@@ -140,7 +140,7 @@ The following arguments are supported:
 * `mem_size` - (Required, Int) Memory size (in MB).
 * `volume_size` - (Required, Int) Disk size (in GB).
 * `auto_renew_flag` - (Optional, Int) Auto renew flag. NOTES: Only supported prepaid instance.
-* `availability_zone` - (Optional, String, ForceNew) Indicates which availability zone will be used.
+* `availability_zone` - (Optional, String) Indicates which availability zone will be used.
 * `charge_type` - (Optional, String, ForceNew) Pay type of instance. Valid values:`PREPAID`, `POSTPAID`. Default is `POSTPAID`.
 * `cpu` - (Optional, Int) CPU cores.
 * `device_type` - (Optional, String) Specify device type, available values: `UNIVERSAL` (default), `EXCLUSIVE`, `BASIC`.