/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.celeborn.service.deploy.master.http.api

import javax.ws.rs.BadRequestException

import org.apache.celeborn.service.deploy.master.Master

object MasterHttpResourceUtils {

  def ensureMasterIsLeader[T](master: Master)(f: => T): T = {
    if (master.isMasterActive != 1) {
      throw new BadRequestException(
        s"This operation can only be done from a master that has the LEADER role." +
          s" The master group info is: \n${master.getMasterGroupInfo}")
    }
    f
  }

  def ensureMasterHAEnabled[T](master: Master)(f: => T): T = {
    if (!master.conf.haEnabled) {
      throw new BadRequestException("Master HA is not enabled.")
    }
    f
  }
}
