/**
* 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 java.io.IOException;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.util.Threads;
/**
* Base class for restarting HBaseServer's
*/
public class RestartActionBaseAction extends Action {
long sleepTime; // how long should we sleep
public RestartActionBaseAction(long sleepTime) {
this.sleepTime = sleepTime;
}
void sleep(long sleepTime) {
LOG.info("Sleeping for:" + sleepTime);
Threads.sleep(sleepTime);
}
void restartMaster(ServerName server, long sleepTime) throws IOException {
sleepTime = Math.max(sleepTime, 1000);
// Don't try the kill if we're stopping
if (context.isStopping()) {
return;
}
killMaster(server);
sleep(sleepTime);
startMaster(server);
}
void restartRs(ServerName server, long sleepTime) throws IOException {
sleepTime = Math.max(sleepTime, 1000);
// Don't try the kill if we're stopping
if (context.isStopping()) {
return;
}
killRs(server);
sleep(sleepTime);
startRs(server);
}
void restartZKNode(ServerName server, long sleepTime) throws IOException {
sleepTime = Math.max(sleepTime, 1000);
// Don't try the kill if we're stopping
if (context.isStopping()) {
return;
}
killZKNode(server);
sleep(sleepTime);
startZKNode(server);
}
void restartDataNode(ServerName server, long sleepTime) throws IOException {
sleepTime = Math.max(sleepTime, 1000);
// Don't try the kill if we're stopping
if (context.isStopping()) {
return;
}
killDataNode(server);
sleep(sleepTime);
startDataNode(server);
}
}