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.HBaseTestingUtility;
22 import org.apache.hadoop.hbase.client.HBaseAdmin;
23
24 /**
25 * Action that tries to take a snapshot of a table.
26 */
27 public class SnapshotTableAction extends Action {
28 private final String tableName;
29 private final long sleepTime;
30
31 public SnapshotTableAction(String tableName) {
32 this(-1, tableName);
33 }
34
35 public SnapshotTableAction(int sleepTime, String tableName) {
36 this.tableName = tableName;
37 this.sleepTime = sleepTime;
38 }
39
40 @Override
41 public void perform() throws Exception {
42 HBaseTestingUtility util = context.getHaseIntegrationTestingUtility();
43 String snapshotName = tableName + "-it-" + System.currentTimeMillis();
44 HBaseAdmin admin = util.getHBaseAdmin();
45
46 LOG.info("Performing action: Snapshot table " + tableName);
47 admin.snapshot(snapshotName, tableName);
48 if (sleepTime > 0) {
49 Thread.sleep(sleepTime);
50 }
51 }
52 }