resource/alicloud_ram_group_membership: fix bug while deleting resour…

…ce will remove all user under group.

alicloud/resource_alicloud_ram_group_membership.go

@@ -100,8 +100,11 @@ func resourceAlicloudRamGroupMembershipRead(d *schema.ResourceData, meta interfa
 		return WrapError(err)
 	}
 	var users []string
+	localUsers := expandStringList(d.Get("user_names").(*schema.Set).List())
 	for _, v := range object.Users.User {
-		users = append(users, v.UserName)
+		if InArray(v.UserName, localUsers) {
+			users = append(users, v.UserName)
+		}
 	}
 	d.Set("group_name", d.Id())
 	if err := d.Set("user_names", users); err != nil {

website/docs/r/ram_group_membership.html.markdown

@@ -52,6 +52,10 @@ The following arguments are supported:
 * `group_name` - (Required, ForceNew) Name of the RAM group. This name can have a string of 1 to 64 characters, must contain only alphanumeric characters or hyphen "-", and must not begin with a hyphen.
 * `user_names` - (Required) Set of user name which will be added to group. Each name can have a string of 1 to 64 characters, must contain only alphanumeric characters or hyphens, such as "-",".","_", and must not begin with a hyphen.
 
+-> **NOTE:** Before version 1.225.0, when you deleted the resource, **all users under the current group were removed at the same time**; 
+
+-> **NOTE:** Since version 1.225.1, removing the current resource will only delete the users declared in the template. **Whi**.
+
 ## Attributes Reference
 
 The following attributes are exported: