apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/component/PermissionValidator.java/PermissionValidator/hasCreateClusterPermission
class PermissionValidator:  public boolean hasCreateClusterPermission(String appId) {
    return rolePermissionService.userHasPermission(userInfoHolder.getUser().getUserId(),
        PermissionType.CREATE_CLUSTER,
        appId);
  }