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;
20
21 import org.apache.hadoop.hbase.classification.InterfaceAudience;
22
23 /***
24 * ChaosConstant holds a bunch of Choas-related Constants
25 */
26 @InterfaceAudience.Public
27 public final class ChaosConstants {
28
29 /*Base ZNode for whole Chaos Testing*/
30 public static final String CHAOS_TEST_ROOT_ZNODE = "/hbase";
31
32 /*Just a / used for path separator*/
33 public static final String ZNODE_PATH_SEPARATOR = "/";
34
35 /*ZNode used for ChaosAgents registration.*/
36 public static final String CHAOS_AGENT_REGISTRATION_EPIMERAL_ZNODE =
37 CHAOS_TEST_ROOT_ZNODE + ZNODE_PATH_SEPARATOR + "chaosAgents";
38
39 /*ZNode used for getting status of tasks assigned*/
40 public static final String CHAOS_AGENT_STATUS_PERSISTENT_ZNODE =
41 CHAOS_TEST_ROOT_ZNODE + ZNODE_PATH_SEPARATOR + "chaosAgentTaskStatus";
42
43 /*Config property for getting number of retries to execute a command*/
44 public static final String RETRY_ATTEMPTS_KEY = "hbase.it.clustermanager.retry.attempts";
45
46 /*Default value for number of retries*/
47 public static final int DEFAULT_RETRY_ATTEMPTS = 5;
48
49 /*Config property to sleep in between retries*/
50 public static final String RETRY_SLEEP_INTERVAL_KEY =
51 "hbase.it.clustermanager.retry.sleep.interval";
52
53 /*Default Sleep time between each retry*/
54 public static final int DEFAULT_RETRY_SLEEP_INTERVAL = 5000;
55
56 /*Config property for executing command as specific user*/
57 public static final String CHAOSAGENT_SHELL_USER = "hbase.it.clustermanager.ssh.user";
58
59 /*default user for executing local commands*/
60 public static final String DEFAULT_SHELL_USER = "";
61
62 /*timeout used while creating ZooKeeper connection*/
63 public static final int SESSION_TIMEOUT_ZK = 60000 * 10;
64
65 /*Time given to ChaosAgent to set status*/
66 public static final int SET_STATUS_SLEEP_TIME = 30 * 1000;
67
68 /*Status String when you get an ERROR while executing task*/
69 public static final String TASK_ERROR_STRING = "error";
70
71 /*Status String when your command gets executed correctly*/
72 public static final String TASK_COMPLETION_STRING = "done";
73
74 /*Name of ChoreService to use*/
75 public static final String CHORE_SERVICE_PREFIX = "ChaosService";
76
77 }