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 java.io.IOException; 022 023import org.apache.hadoop.hbase.ServerName; 024import org.apache.hadoop.hbase.util.Threads; 025 026/** 027* Base class for restarting HBaseServer's 028*/ 029public class RestartActionBaseAction extends Action { 030 long sleepTime; // how long should we sleep 031 032 public RestartActionBaseAction(long sleepTime) { 033 this.sleepTime = sleepTime; 034 } 035 036 void sleep(long sleepTime) { 037 LOG.info("Sleeping for:" + sleepTime); 038 Threads.sleep(sleepTime); 039 } 040 041 void restartMaster(ServerName server, long sleepTime) throws IOException { 042 sleepTime = Math.max(sleepTime, 1000); 043 // Don't try the kill if we're stopping 044 if (context.isStopping()) { 045 return; 046 } 047 048 killMaster(server); 049 sleep(sleepTime); 050 startMaster(server); 051 } 052 053 void restartRs(ServerName server, long sleepTime) throws IOException { 054 sleepTime = Math.max(sleepTime, 1000); 055 // Don't try the kill if we're stopping 056 if (context.isStopping()) { 057 return; 058 } 059 killRs(server); 060 sleep(sleepTime); 061 startRs(server); 062 } 063 064 void restartZKNode(ServerName server, long sleepTime) throws IOException { 065 sleepTime = Math.max(sleepTime, 1000); 066 // Don't try the kill if we're stopping 067 if (context.isStopping()) { 068 return; 069 } 070 killZKNode(server); 071 sleep(sleepTime); 072 startZKNode(server); 073 } 074 075 void restartDataNode(ServerName server, long sleepTime) throws IOException { 076 sleepTime = Math.max(sleepTime, 1000); 077 // Don't try the kill if we're stopping 078 if (context.isStopping()) { 079 return; 080 } 081 killDataNode(server); 082 sleep(sleepTime); 083 startDataNode(server); 084 } 085}