001/** 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 019package org.apache.hadoop.hbase.chaos.actions; 020 021import org.apache.hadoop.hbase.ServerName; 022import org.slf4j.Logger; 023import org.slf4j.LoggerFactory; 024 025/** 026* Action that tries to restart the active master. 027*/ 028public class RestartActiveMasterAction extends RestartActionBaseAction { 029 private static final Logger LOG = LoggerFactory.getLogger(RestartActionBaseAction.class); 030 031 public RestartActiveMasterAction(long sleepTime) { 032 super(sleepTime); 033 } 034 @Override 035 public void perform() throws Exception { 036 LOG.info("Performing action: Restart active master"); 037 038 ServerName master = cluster.getClusterMetrics().getMasterName(); 039 restartMaster(master, sleepTime); 040 } 041}