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HBASE-26556 IT and Chaos Monkey improvements (#3932)
Signed-off-by: Josh Elser <[email protected]> Reviewed-by: Tak Lon (Stephen) Wu <[email protected]> (cherry picked from commit a36d41a)
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...a/org/apache/hadoop/hbase/chaos/factories/ConfigurableSlowDeterministicMonkeyFactory.java
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| /** | ||
| * 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; | ||
|
|
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| import java.lang.reflect.Constructor; | ||
| import java.util.function.Function; | ||
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| import org.apache.hadoop.hbase.TableName; | ||
| import org.apache.hadoop.hbase.chaos.actions.Action; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
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| public class ConfigurableSlowDeterministicMonkeyFactory extends SlowDeterministicMonkeyFactory { | ||
|
|
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| private static final Logger LOG = | ||
| LoggerFactory.getLogger(ConfigurableSlowDeterministicMonkeyFactory.class); | ||
|
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| final static String HEAVY_ACTIONS = "heavy.actions"; | ||
| final static String TABLE_PARAM = "\\$table_name"; | ||
|
|
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| public enum SupportedTypes { | ||
| FLOAT(p->Float.parseFloat(p)), | ||
| LONG(p-> Long.parseLong(p)), | ||
| INT(p-> Integer.parseInt(p)), | ||
| TABLENAME(p-> TableName.valueOf(p)); | ||
|
|
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| final Function<String,Object> converter; | ||
|
|
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| SupportedTypes(Function<String,Object> converter){ | ||
| this.converter = converter; | ||
| } | ||
|
|
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| Object convert(String param){ | ||
| return converter.apply(param); | ||
| } | ||
| } | ||
|
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| @Override | ||
| protected Action[] getHeavyWeightedActions() { | ||
| String actions = this.properties.getProperty(HEAVY_ACTIONS); | ||
| if(actions==null || actions.isEmpty()){ | ||
| return super.getHeavyWeightedActions(); | ||
| } else { | ||
| try { | ||
| String[] actionClasses = actions.split(";"); | ||
| Action[] heavyActions = new Action[actionClasses.length]; | ||
| for (int i = 0; i < actionClasses.length; i++) { | ||
| heavyActions[i] = instantiateAction(actionClasses[i]); | ||
| } | ||
| LOG.info("Created actions {}", heavyActions); | ||
| return heavyActions; | ||
| } catch(Exception e) { | ||
| LOG.error("Error trying to instantiate heavy actions. Returning null array.", e); | ||
| } | ||
| return null; | ||
| } | ||
| } | ||
|
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| private Action instantiateAction(String actionString) throws Exception { | ||
| final String packageName = "org.apache.hadoop.hbase.chaos.actions"; | ||
| String[] classAndParams = actionString.split("\\)")[0].split("\\("); | ||
| String className = packageName + "." + classAndParams[0]; | ||
| String[] params = classAndParams[1].replaceAll(TABLE_PARAM, | ||
| tableName.getNameAsString()).split(","); | ||
| LOG.info("About to instantiate action class: {}; With constructor params: {}", | ||
| className, params); | ||
| Class<? extends Action> actionClass = (Class<? extends Action>)Class.forName(className); | ||
| Constructor<? extends Action>[] constructors = | ||
| (Constructor<? extends Action>[]) actionClass.getDeclaredConstructors(); | ||
| for(Constructor<? extends Action> c : constructors){ | ||
| if (c.getParameterCount() != params.length){ | ||
| continue; | ||
| } | ||
| Class[] paramTypes = c.getParameterTypes(); | ||
| Object[] constructorParams = new Object[paramTypes.length]; | ||
| for(int i=0; i<paramTypes.length; i++){ | ||
| constructorParams[i] = SupportedTypes.valueOf(paramTypes[i].getSimpleName().toUpperCase()) | ||
| .convert(params[i]); | ||
| } | ||
| return c.newInstance(constructorParams); | ||
| } | ||
| throw new IllegalArgumentException("Couldn't find any matching constructor for: " + | ||
| actionString); | ||
| } | ||
| } |
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