/**
* 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.util;
import java.io.IOException;
import java.util.Properties;
import java.util.Set;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.IntegrationTestingUtility;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.chaos.factories.MonkeyFactory;
import org.apache.hadoop.hbase.chaos.monkies.ChaosMonkey;
import org.apache.hadoop.hbase.util.AbstractHBaseTool;
import org.apache.hadoop.util.ToolRunner;
import com.google.common.collect.Sets;
public class ChaosMonkeyRunner extends AbstractHBaseTool {
private static final Log LOG = LogFactory.getLog(ChaosMonkeyRunner.class);
public static final String MONKEY_LONG_OPT = "monkey";
public static final String CHAOS_MONKEY_PROPS = "monkeyProps";
public static final String TABLE_NAME_OPT = "tableName";
public static final String FAMILY_NAME_OPT = "familyName";
protected IntegrationTestingUtility util;
protected ChaosMonkey monkey;
protected String monkeyToUse;
protected Properties monkeyProps;
protected boolean noClusterCleanUp = false;
private String tableName = "ChaosMonkeyRunner.tableName";
private String familyName = "ChaosMonkeyRunner.familyName";
@Override
public void addOptions() {
addOptWithArg("m", MONKEY_LONG_OPT, "Which chaos monkey to run");
addOptWithArg(CHAOS_MONKEY_PROPS, "The properties file for specifying chaos "
+ "monkey properties.");
addOptWithArg(TABLE_NAME_OPT, "Table name in the test to run chaos monkey against");
addOptWithArg(FAMILY_NAME_OPT, "Family name in the test to run chaos monkey against");
}
@Override
protected void processOptions(CommandLine cmd) {
if (cmd.hasOption(MONKEY_LONG_OPT)) {
monkeyToUse = cmd.getOptionValue(MONKEY_LONG_OPT);
}
monkeyProps = new Properties();
if (cmd.hasOption(CHAOS_MONKEY_PROPS)) {
String chaosMonkeyPropsFile = cmd.getOptionValue(CHAOS_MONKEY_PROPS);
if (StringUtils.isNotEmpty(chaosMonkeyPropsFile)) {
try {
monkeyProps.load(this.getClass().getClassLoader()
.getResourceAsStream(chaosMonkeyPropsFile));
} catch (IOException e) {
LOG.warn(e);
System.exit(EXIT_FAILURE);
}
}
}
if (cmd.hasOption(TABLE_NAME_OPT)) {
this.tableName = cmd.getOptionValue(TABLE_NAME_OPT);
}
if (cmd.hasOption(FAMILY_NAME_OPT)) {
this.familyName = cmd.getOptionValue(FAMILY_NAME_OPT);
}
}
@Override
protected int doWork() throws Exception {
setUpCluster();
getAndStartMonkey();
while (true) {// loop here until got killed
Thread.sleep(10000);
}
}
public void setUpCluster() throws Exception {
util = getTestingUtil(getConf());
boolean isDistributed = isDistributedCluster(getConf());
if (isDistributed) {
util.createDistributedHBaseCluster();
util.checkNodeCount(1);// make sure there's at least 1 alive rs
} else {
throw new RuntimeException("ChaosMonkeyRunner must run againt a distributed cluster,"
+ " please check and point to the right configuration dir");
}
this.setConf(util.getConfiguration());
}
private boolean isDistributedCluster(Configuration conf) {
return conf.getBoolean(HConstants.CLUSTER_DISTRIBUTED, false);
}
public void getAndStartMonkey() throws Exception {
util = getTestingUtil(getConf());
MonkeyFactory fact = MonkeyFactory.getFactory(monkeyToUse);
if (fact == null) {
fact = getDefaultMonkeyFactory();
}
monkey =
fact.setUtil(util).setTableName(getTablename()).setProperties(monkeyProps)
.setColumnFamilies(getColumnFamilies()).build();
monkey.start();
}
protected IntegrationTestingUtility getTestingUtil(Configuration conf) {
if (this.util == null) {
if (conf == null) {
this.util = new IntegrationTestingUtility();
this.setConf(util.getConfiguration());
} else {
this.util = new IntegrationTestingUtility(conf);
}
}
return util;
}
protected MonkeyFactory getDefaultMonkeyFactory() {
// Run with slow deterministic monkey by default
return MonkeyFactory.getFactory(MonkeyFactory.SLOW_DETERMINISTIC);
}
public TableName getTablename() {
return TableName.valueOf(tableName);
}
protected Set<String> getColumnFamilies() {
return Sets.newHashSet(familyName);
}
public static void main(String[] args) throws Exception {
Configuration conf = HBaseConfiguration.create();
IntegrationTestingUtility.setUseDistributedCluster(conf);
int ret = ToolRunner.run(conf, new ChaosMonkeyRunner(), args);
System.exit(ret);
}
}