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 org.apache.hadoop.hbase.ServerName;
22 import org.slf4j.Logger;
23 import org.slf4j.LoggerFactory;
24
25 /**
26 * Action that tries to restart the active master.
27 */
28 public class RestartActiveMasterAction extends RestartActionBaseAction {
29 private static final Logger LOG = LoggerFactory.getLogger(RestartActiveMasterAction.class);
30
31 public RestartActiveMasterAction(long sleepTime) {
32 super(sleepTime);
33 }
34
35 @Override protected Logger getLogger() {
36 return LOG;
37 }
38
39 @Override
40 public void perform() throws Exception {
41 getLogger().info("Performing action: Restart active master");
42
43 ServerName master = cluster.getClusterStatus().getMaster();
44 restartMaster(master, sleepTime);
45 }
46 }