1 /**
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 package org.apache.hadoop.hbase.chaos.actions;
20
21 import java.io.IOException;
22
23 import org.apache.hadoop.hbase.ServerName;
24 import org.apache.hadoop.hbase.util.Threads;
25
26 /**
27 * Base class for restarting HBaseServer's
28 */
29 public class RestartActionBaseAction extends Action {
30 long sleepTime; // how long should we sleep
31
32 public RestartActionBaseAction(long sleepTime) {
33 this.sleepTime = sleepTime;
34 }
35
36 void sleep(long sleepTime) {
37 LOG.info("Sleeping for:" + sleepTime);
38 Threads.sleep(sleepTime);
39 }
40
41 void restartMaster(ServerName server, long sleepTime) throws IOException {
42 sleepTime = Math.max(sleepTime, 1000);
43 killMaster(server);
44 sleep(sleepTime);
45 startMaster(server);
46 }
47
48 void restartRs(ServerName server, long sleepTime) throws IOException {
49 sleepTime = Math.max(sleepTime, 1000);
50 killRs(server);
51 sleep(sleepTime);
52 startRs(server);
53 }
54 }