/*
    * 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.hadoop.hbase.chaos.actions;
  
  import org.apache.hadoop.hbase.ServerName;
  import org.apache.hadoop.hbase.chaos.monkies.PolicyBasedChaosMonkey;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class RestartRandomRsExceptMetaAction extends RestartRandomRsAction {
    private static final Logger LOG = LoggerFactory.getLogger(RestartRandomRsExceptMetaAction.class);
  
    public RestartRandomRsExceptMetaAction(long sleepTime) {
      super(sleepTime);
    }
  
    @Override protected Logger getLogger() {
      return LOG;
    }
  
    @Override
    public void perform() throws Exception {
      int tries = 10;
  
      while (tries-- > 0 && getCurrentServers().length > 1) {
        ServerName server = PolicyBasedChaosMonkey.selectRandomItem(getCurrentServers());
        ServerName metaServer = cluster.getServerHoldingMeta();
        if (server != null && !server.equals(metaServer)) {
          restartRs(server, sleepTime);
          break;
        }
      }
    }
  }