| /* |
| * 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.factories; |
| |
| import org.apache.hadoop.hbase.chaos.actions.Action; |
| import org.apache.hadoop.hbase.chaos.actions.DumpClusterStatusAction; |
| import org.apache.hadoop.hbase.chaos.actions.ForceBalancerAction; |
| import org.apache.hadoop.hbase.chaos.actions.GracefulRollingRestartRsAction; |
| import org.apache.hadoop.hbase.chaos.actions.RestartActiveMasterAction; |
| import org.apache.hadoop.hbase.chaos.actions.RestartRandomRsExceptMetaAction; |
| import org.apache.hadoop.hbase.chaos.actions.RollingBatchRestartRsAction; |
| import org.apache.hadoop.hbase.chaos.actions.RollingBatchSuspendResumeRsAction; |
| import org.apache.hadoop.hbase.chaos.monkies.ChaosMonkey; |
| import org.apache.hadoop.hbase.chaos.monkies.PolicyBasedChaosMonkey; |
| import org.apache.hadoop.hbase.chaos.policies.CompositeSequentialPolicy; |
| import org.apache.hadoop.hbase.chaos.policies.DoActionsOncePolicy; |
| import org.apache.hadoop.hbase.chaos.policies.PeriodicRandomActionPolicy; |
| |
| /** |
| * Creates ChaosMonkeys for doing server restart actions, but not flush / compact / snapshot kind of |
| * actions. |
| */ |
| public class ServerKillingMonkeyFactory extends MonkeyFactory { |
| |
| private long restartRandomRsExceptMetaSleepTime; |
| private long restartActiveMasterSleepTime; |
| private long rollingBatchRestartRSSleepTime; |
| private long gracefulRollingRestartTSSLeepTime; |
| private long rollingBatchSuspendRSSleepTime; |
| private float rollingBatchSuspendtRSRatio; |
| private long action1Period; |
| |
| @Override |
| public ChaosMonkey build() { |
| loadProperties(); |
| |
| // Destructive actions to mess things around. Cannot run batch restart |
| // @formatter:off |
| Action[] actions1 = new Action[] { |
| new RestartRandomRsExceptMetaAction(restartRandomRsExceptMetaSleepTime), |
| new RestartActiveMasterAction(restartActiveMasterSleepTime), |
| // only allow 2 servers to be dead |
| new RollingBatchRestartRsAction(rollingBatchRestartRSSleepTime, 1.0f, 2, true), |
| new ForceBalancerAction(), |
| new GracefulRollingRestartRsAction(gracefulRollingRestartTSSLeepTime), |
| new RollingBatchSuspendResumeRsAction(rollingBatchSuspendRSSleepTime, |
| rollingBatchSuspendtRSRatio) |
| }; |
| // @formatter:on |
| |
| // Action to log more info for debugging |
| Action[] actions2 = new Action[] { new DumpClusterStatusAction() }; |
| |
| return new PolicyBasedChaosMonkey(properties, util, |
| new CompositeSequentialPolicy(new DoActionsOncePolicy(action1Period, actions1), |
| new PeriodicRandomActionPolicy(action1Period, actions1)), |
| new PeriodicRandomActionPolicy(action1Period, actions2)); |
| } |
| |
| private void loadProperties() { |
| restartRandomRsExceptMetaSleepTime = Long |
| .parseLong(this.properties.getProperty(MonkeyConstants.RESTART_RANDOM_RS_EXCEPTION_SLEEP_TIME, |
| MonkeyConstants.DEFAULT_RESTART_RANDOM_RS_EXCEPTION_SLEEP_TIME + "")); |
| restartActiveMasterSleepTime = |
| Long.parseLong(this.properties.getProperty(MonkeyConstants.RESTART_ACTIVE_MASTER_SLEEP_TIME, |
| MonkeyConstants.DEFAULT_RESTART_ACTIVE_MASTER_SLEEP_TIME + "")); |
| rollingBatchRestartRSSleepTime = Long |
| .parseLong(this.properties.getProperty(MonkeyConstants.ROLLING_BATCH_RESTART_RS_SLEEP_TIME, |
| MonkeyConstants.DEFAULT_ROLLING_BATCH_RESTART_RS_SLEEP_TIME + "")); |
| gracefulRollingRestartTSSLeepTime = |
| Long.parseLong(this.properties.getProperty(MonkeyConstants.GRACEFUL_RESTART_RS_SLEEP_TIME, |
| MonkeyConstants.DEFAULT_GRACEFUL_RESTART_RS_SLEEP_TIME + "")); |
| rollingBatchSuspendRSSleepTime = Long |
| .parseLong(this.properties.getProperty(MonkeyConstants.ROLLING_BATCH_SUSPEND_RS_SLEEP_TIME, |
| MonkeyConstants.DEFAULT_ROLLING_BATCH_SUSPEND_RS_SLEEP_TIME + "")); |
| rollingBatchSuspendtRSRatio = |
| Float.parseFloat(this.properties.getProperty(MonkeyConstants.ROLLING_BATCH_SUSPEND_RS_RATIO, |
| MonkeyConstants.DEFAULT_ROLLING_BATCH_SUSPEND_RS_RATIO + "")); |
| action1Period = |
| Long.parseLong(this.properties.getProperty(MonkeyConstants.PERIODIC_ACTION1_PERIOD, |
| MonkeyConstants.DEFAULT_PERIODIC_ACTION1_PERIOD + "")); |
| } |
| } |